HomeMy WebLinkAboutUP15-0001_IS-MND_Final
DEVELOPMENT SERVICES
DEPARTMENT
BUTTE COUNTY
INITIAL STUDY AND
PROPOSED MITIGATED NEGATIVE DECLARATION
CONDITIONAL USE PERMIT - UP15-0001
(Verizon Wireless-Forest Ranch Baptist Church)
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 1 of 45 ■
COUNTY OF BUTTE
DEPARTMENT OF DEVELOPMENT SERVICES
INITIAL STUDY AND MITIGATED NEGATIVE DECLARATION
FOR
CONDITIONAL USE PERMIT - UP15-0001
(Verizon Wireless-Forest Ranch Baptist Church)
1.0 PROJECT INFORMATION
A. Applicant/Owner: Sacramento Valley Limited Partnership dba Verizon Wireless; c/o: Complete Wireless
Consulting (Applicant). Forest Ranch Baptist Church; c/o: Christopher Ross (Owner)
B. Staff Contact: Rowland Hickel, Senior Planner; (530) 538-7150, rhickel@buttecounty.net
C. Project Name: UP15-0001; Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit
D. Project Location: The project site is located at 4955 Schott Road, off State Highway 32, in the community of
Forest Ranch. Township 23N, Range 1W, Section 14; MDB&M.
E. Type of Application: Conditional Use Permit
F. Assessor Parcel Number: 063-210-013
G. Project Site Size: 3.87± acres
H. Current Zoning: FR-5 (Foothill Residential, 5 acre minimum parcel size)
I. General Plan Designation: FR (Foothill Residential)
J. Environmental Setting:
The subject property encompasses 3.87 acres situated immediately adjacent to the east side of State Highway
32, and north of Schott Road. The northern portion of the property is largely undeveloped, with the exception
of transecting overhead power lines. The southern portion is developed with a 7,500 sq. ft. church with
classrooms, 144 sq. ft. detached shed, 1,600 sq. ft. outdoor playground area, and parking area. Sewage
disposal services for the church is provided on on-site septic systems.
Topography of the project site is generally flat on the developed portions, and gently sloping in a southerly
direction on the undeveloped portions. Sloped areas contain slopes that range between 2 to 5 percent, and is
at an elevation of 2,578 feet above mean sea level (msl).
Soils of the project site consist of a Paradiso Loam, 2 to 15 percent slopes. The Paradiso series has very
deep, well drained soils that formed in weathered tephra over residuum form volcanic rocks. Paradiso soils
are typically located on volcanic ridge tops in Cascade mountain range.
Vegetation on the property consists of conifer trees with a shrub and herbaceous understory. The dominate
species is Ponderosa pine, which generally occur at elevations between 2,000 and 7,000 feet, and include
associated species, such as Douglas fir, sugar pine, white fir, incense cedar, Jeffrey pine, and others.
Conifer forests provide habitat for a large number of wildlife species. Wildlife species that are common in
this habitat type include Steller’s jay, hairy woodpecker, mountain chickadee, western gray squirrel,
porcupine, gray fox, and blacktail deer. Special-status wildlife species that may occur in this community
type include the bald eagle, northern goshawk, California spotted owl, Sierra Nevada red fox, Pacific fisher,
and California wolverine.
The project site is not listed on the California Department of Toxic Substances Control (DTSC) Hazardous
Waste and Substances Site List (Cortese List) and is not located near any sites or sites known or suspected
to contain hazardous materials.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 2 of 45 ■
K. Surrounding Land Uses:
The area surrounding the project site primarily includes single-family homes on parcels of one acre to 15
acres in size. The Forest Ranch Charter School is located south of the project site. Public rights-of-way in
the vicinity of the project site include State Highway 32 (State) and Wagon Road (County) to the west, Schott
Road (County) to the south, and Starlight Drive (Private) to the north.
Direction General Plan Designation Zoning Existing Land Use(s)
North Foothill Residential FR-5 Single-Family Residential
South Public P Forest Ranch Charter School
East Foothill Residential FR-5 Single-Family Residential
West Foothill Residential FR-5 Single-Family Residential
L. Project Description:
The applicant is requesting a Conditional Use Permit to construct a wireless telecommunication facility that
includes a 125-foot tall monopine tower, eight (8) panel antennas mounted at the 110-ft. elevation, a prefabricated
equipment shelter, a standby diesel generator, underground power, and associated equipment. The facility will
be situated within a 40-ft. x 40-ft. (1,600 sq. ft.) lease area that will surrounded with a 6-ft tall chain link fence
with barbed wire. Access to the facility will be provided by a 10-12 ft. wide driveway situated within a 15 ft.
wide non-exclusive access and utility easement from Wagon Road. The unmanned facility will provide enhanced
wireless network coverage 24 hours a day, 7 days a week.
Public Benefits of Improved Wireless Service
This site will allow current and future Verizon Wireless customers to have access to wireless services in the areas
shown on the Coverage Plots included in this application. Additionally, this site will serve as a backup to the
existing landline service in the area and will provide improved wireless communication, which is essential to first
responders, community safety, local businesses and area residents. As a backup system to traditional landline
phone service, mobile phones have proven to be extremely important during natural disasters and other
catastrophes.
Aesthetics
The facility will be constructed on the east side of Highway 32, in a densely forested area. Support cable will be
installed underground and the equipment will be effectively screened from public view within a prefabricated
equipment shelter. Verizon is proposing a monopine tower design to blend in with the surrounding landscape.
The monopine will have artificial branches from the 41-ft elevation to the top of the monopine at 125-ft. All
proposed panel antennas will have “needle socks”. The pole, antennas, and all pole-mounted equipment will be
painted a flat dark brown.
Co-Location
The proposed facility has been designed in a manner that will structurally accommodate additional antennas
and/or future collocation. Additional ground space is available within the lease area for at least one additional
equipment shelter. The Verizon service and information structure can be upgraded to 600 amp to accommodate
additional capacity.
Site Selection Process
The selection of a location for a wireless telecommunication facility that is needed to improve service and provide
reliable coverage is dependent upon many factors, such as: topography, zoning regulations, existing structures,
collocation opportunities, available utilities, access, and the existence of a willing landlord. Wireless
communication utilizes line-of-sight technology that requires facilities to be in relative close proximity to the
wireless handsets to be served. Each proposed site is unique and must be investigated and evaluated on its own
terms.
The proposed coverage area includes residential and public uses in Forest Ranch. Verizon strives to minimize
visual and acoustic impacts for each facility and seeks to incorporate ways to preserve the local community
character to the greatest extent feasible at all stages of site selection and design. The proposed location best serves
the interest of Forest Ranch and greater Butte County because it is the least intrusive means available to improve
service to the area.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 3 of 45 ■
After establishing the need for the proposed facility, Verizon set out to identify the least intrusive means of
achieving the necessary service objective. Verizon begins its process by identifying a search area called a “search
ring” and a required centerline height. The search ring represents the area within which a facility can be located
to produce the desired coverage objective. After evaluating the County’s zoning regulations, the next step is to
identify any existing towers and within the search ring that could allow for collocation. In the case of the proposed
area, it was determined that there are no existing towers.
Two alternative sites were considered in the early stages of site selection, but eliminated by Verizon’s Radio
Frequency engineer. One alternate candidate was Forest Ranch Elementary School, located at 15815 Cedar
Creek Road in Forest Ranch. The other was Hardy Hill, a forested property four miles north of the town of Forest
Ranch. Verizon’s RF engineer recommended that the church site as the single candidate for developing this
facility due to the lack of feasible properties within the search area.
Safety Benefits of Improved Wireless Service
Verizon Wireless offers its customers multiple services such as voice calls, text messaging, mobile email,
picture/video messaging, mobile web, navigation, broadband access, V CAST, and E911 services. Mobile phone
use has become an extremely important tool for first responders and serves as a backup system in the event of a
natural disaster.
Maintenance and Standby Generator Testing
Verizon Wireless is proposing a UL2200 Certified 30kw standby diesel generator and UL142 certified 132 gallon
fuel tank on a 137 sq. ft. concrete slab, together with batteries. The generator and batteries play a vital role in
Verizon’s emergency and disaster preparedness plan. In the event of a power outage, Verizon Wireless
communication equipment will first transition to the back-up batteries. The batteries can run the site for a few
hours depending on the demand placed on the equipment. Should the power outage extend beyond the capacity
of the batteries, the backup generator will be utilized. The generator will also operate for approximately 15
minutes per week for maintenance purposes, during the daytime. Backup batteries and the generator allow
Verizon Wireless’s communication sites to continue providing valuable communication services in the event of
power outage, natural disaster or other emergency. Following construction, the security fence will include a
small sign indicating the facility owner and a 24-hour emergency telephone number.
Construction Schedule
The construction of the facility will be in compliance with all local rules and regulations. The crew size will
range from two to ten individuals. The construction phase of the project will last approximately two months and
will not exceed acceptable construction noise levels.
Lighting
The only lighting on the facility will be located by the entry door to the pre-fabricated shelter. The light will be
shielded, down-tilted, and include a motion sensor.
Compliance with FCC standards
The proposed project will not interfere with any TV, radio, telephone, satellite, or other signals. Any interference
would be against federal law and a violation of Verizon Wireless’s FCC license.
M. Public Agency Approvals:
Butte County Department of Development Services
Butte County Public Works Department
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UP15-0001APN:063-210-013
Verizon WirelessForest Ranch Baptist Church
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1520 River Park Drive, Sacramento, CA 95815
916-567-9630
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DEPT.APPROVEDDATESHEETSURVEYOR
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6240 WEST 6TH STREET RIO LINDA,CA 95673 (916)-704-5952 www.gonzalessurveys.comnzalesGSurveys, Inc.VICINITY MAP These drawings and or accompanying specifications as instruments of service, are the exclusive property of Gonzales Surveys,Inc. and their use and publication shall be restricted to the original site and carrier for which they are prepared. Reuse,reproduction or publication by any method, whole and in part, is prohibited except by written permission from Gonzales Surveys,Inc.. Title to these plans and or specifications shall remain with Gonzales Surveys, Inc. without prejudice and visual contact with them shall constitute Prima Facie evidence of acceptance of these restrictions.The boundary shown is based on found monumentation and record information. This is not a boundary survey. This is a specialized topographic map with property lines and easements being a graphic depiction based on information gathered from various sources of record and available monumentation found during the field survey. No easements were researched or plotted.Property lines and lines of title were not investigated nor surveyed except as shown on this plan. No property monuments were set.Date of Survey: 10/08/2014 Surveyed by or under the direction of Ryan L. Ming P.L.S. 8409 Located in the City of Forest Ranch, County of Butte, State of California Bearings shown are based upon monuments found and record information.This is not a Boundary Survey.Elevations shown are based upon U.S.G.S. N.A.V.D. 88 Datum.Contour Interval: NA Contractor is responsible to verify lease area prior to construction.Assessors Parcel Number (APN): 063-210-013 Current Zoning: Commercial/Institutional (CI)Owners:Forest Ranch Baptist Church 4967 Schott Road Forest Ranch, CA 95942 Gonzales Surveys, Inc.6240 West 6th Street Rio Linda, Ca 95673 Phone (916)-704-5952 Verizon Wireless PCS Equipment A.S.A.C. Survey Form Project No./Name:Forest Ranch Project Site Location:4967 Schott Road Forest Ranch, Ca 95942 Date of Observation: 10/08/2014 Equipment/Procedure used to obtain coordinates: Trimble R8 post processed with Trimble Business Center.Type of Antenna Mount: New Monopine NAD 83 coordinates at center of tower Latitude: N 39° 53' 13.68"Longitude: W 121° 39' 54.70"Elevation at base of tower (NAVD 88)2579’ AMSL Certification: I, the undersigned, do hereby certify elevation listed above is based on a field survey done under my supervision and that the accuracy of those elevations meet or exceed 1-A standards as defined in the FAA A.S.A.C. information sheet 91:003, and that they are true and accurate to the best of my knowledge and belief.Ryan L. Ming CA. P.L.S. 8409 C-110/08/2014Legal Description:All that real property situated in the City of Fortuna, County of Humboldt, State of California, described as follows:A portion of Parcel 2 as shown on Parcel Map 1151, filed in the Office of the County Recorder of Humboldt County, in Book 10 of Parcel Maps, page 56, more particularly described as follows:Real property in the County of Butte, State of California, and is described as follows:Lot 15, as shown on that certain Map entitled, “Forest Ranch Subdivision”, which Map was filed in the office of the Recorder of the County of Butte, State of California, on October 22, 1975, in Book 43 of Maps, at Pages 83, 84, 85 and 86. APN:091-040-003 The Lease premises described as follows:Commencing at a point in the North line of the above described parcel of land from which the Northeast corner bears South 87°44'33" East 135.07 feet; thence South 02°15'27" West 184.67feet to the True Point of Beginning; thence South 82°29'16"East 40.00 feet; thence South 07°30'44" West 40.00 feet; thence North 82°29'16" West 40.00 feet; thence North 07°30'44"East 40.00 feet to the True Point of Beginning.Together with a 15' Access and Utility Easement the centerline of which is described as follows:Commencing at the Northwest corner of the above described Lease premises; thence along the Westerly line of the above described Lease premises South 07°30'44" West 24.76 feet to the True Point of Beginning; thence North 81°44'52" West 89.28 feet; thence South 37°32'55" West 98.30 feet; thence North 50°37'8" West 19.48 feet to the Westerly line of the above described parcel of land.Together with a 6' Utility Easement centerline of which is described as follows:Commencing at the Northwest corner of the above described Lease premises; thence along the Westerly line of the above described Lease premises South 07°30'44" West 24.76 feet; thence North 81°44'52" West 89.28 feet; thence South 37°32'55"West 98.30 feet; thence South 19°54'6" East 8.87 feet to the True Point of Beginning; thence South 42°31'14" East 107.45'.Together with a 6' Utility Easement centerline of which is described as follows:6' adjacent to the West line of the above described Lease premises.GS1474NPARCELDETAIL1"=30'CEDAR HILL RD CEDAR CREEK RDSTARLIGHT DR WAGON RD SCHOTT RD32SCHOTTRDFOREST RANCH N
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1520 River Park Drive, Sacramento, CA 95815
916-567-9630
www.MSTArchitects.com
1520 River Park Drive, Sacramento, CA 95815
916-567-9630
www.MSTArchitects.com
1520 River Park Drive, Sacramento, CA 95815
916-567-9630
www.MSTArchitects.com
1520 River Park Drive, Sacramento, CA 95815
916-567-9630
www.MSTArchitects.com
ST32
FR-5
P FR-20
FR-1
Request:File:UP15-0001063-210-013
SupervisorialDistrict #3
Conditional Use Permit
Foothill Residential-5 acreVerizon Wireless
Butte County Zone Districts
Assessor Parcel No:
¬
Zoning:Applicant/Owner:
0 490 980 1,470 1,960 2,450245Feet
Project Site
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 8 of 45 ■
Evaluation of Environmental Impacts:
1) A brief explanation is required for all answers except "No Impact" answers that are adequately supported by the
information sources a lead agency cites in the parentheses following each question. A "No Impact" answer is
adequately supported if the referenced information sources show that the impact simply does not apply to projects
like the one involved (e.g., the project falls outside a fault rupture zone). A "No Impact" answer should be
explained where it is based on project-specific factors as well as general standards (e.g., the project will not expose
sensitive receptors to pollutants, based on a project-specific screening analysis).
2) All answers must take account of the whole action involved, including off-site as well as on-site, cumulative as
well as project-level, indirect as well as direct, and construction as well as operational impacts.
3) Once the lead agency has determined that a particular physical impact may occur, then, the checklist answers
must indicate whether the impact is potentially significant, less than significant with mitigation, or less than
significant. "Potentially Significant Impact" is appropriate if there is substantial evidence that an effect may be
significant. If there are one or more "Potentially Significant Impact" entries when the determination is made, an
EIR is required.
4) "Negative Declaration: Less Than Significant With Mitigation Incorporated" applies where the incorporation of
mitigation measures has reduced an effect from "Potentially Significant Impact" to a "Less Than Significant
Impact." The lead agency must describe the mitigation measures, and briefly explain how they reduce the effect
to a less than significant level (mitigation measures from Section XVII, "Earlier Analyses," may be cross-
referenced).
5) Earlier analyses may be used where, pursuant to the tiering, program EIR, or other CEQA process, an effect has
been adequately analyzed in an earlier EIR or negative declaration. Section 15063(c)(3)(D). In this case, a brief
discussion should identify the following:
a) Earlier Analysis Used. Identify and state where they are available for review.
b) Impacts Adequately Addressed. Identify which effects from the above checklist were within the scope of and
adequately analyzed in an earlier document pursuant to applicable legal standards, and state whether such
effects were addressed by mitigation measures based on the earlier analysis.
c) Mitigation Measures. For effects that are "Less than Significant with Mitigation Measures Incorporated,"
describe the mitigation measures, which were incorporated or refined from the earlier document and the
extent to which they address site-specific conditions for the project.
6) Lead agencies are encouraged to incorporate into the checklist references to information sources for potential
impacts (e.g., general plans, zoning ordinances). Reference to a previously prepared or outside document should,
where appropriate, include a reference to the page or pages where the statement is substantiated.
7) Supporting Information Sources: A source list should be attached, and other sources used or individuals contacted
should be cited in the discussion.
8) This is only a suggested form, and lead agencies are free to use different formats; however, lead agencies should
normally address the questions from this checklist that are relevant to a project's environmental effects in whatever
format is selected.
9) The explanation of each issue should identify:
a) The significance criteria or threshold, if any, used to evaluate each question; and
b) The mitigation measure identified, if any, to reduce the impact to less than significance
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 9 of 45 ■
4.0 ENVIRONMENTAL IMPACTS
4.1 Aesthetic/Visual Resources:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Have a substantial adverse effect on a scenic vista?
b. Substantially damage scenic resources, including, but
not limited to, trees, rock outcroppings, and historic
buildings within a state scenic highway?
c. Substantially degrade the existing visual character or
quality of the site and its surroundings?
d. Create a new source of substantial light or glare
which would adversely affect day or nighttime views
in the area?
Setting:
The project site is located in the mountainous area of Butte County, on the western slopes of the Sierra Nevada, at an
elevation of 2578 feet above mean sea level (msl). The terrain of the project site is flat with slopes that range between
2 and 5 percent.
Vegetation of the project site and surrounding area is characterized as heavily forested with conifers. Conifer forest
in the area consist of several types of conifer trees including montane hardwood-conifer, ponderosa pine, Sierran
mixed conifer, red fir and subalpine conifer. The dominate species at the project site is Ponderosa pine, with associated
species, such as Douglas fir, sugar pine, white fir, incense cedar, Jeffrey pine, and others, together with a shrub and
herbaceous understory.
Conifer forests provide habitat for a large number of wildlife species. Wildlife species that are common in this habitat
include Steller’s jay, hairy woodpecker, mountain chickadee, western gray squirrel, porcupine, gray fox, and blacktail
deer. Special-status wildlife species that may occur in this community type include the bald eagle, northern goshawk,
California spotted owl, Sierra Nevada red fox, Pacific fisher, and California wolverine.
The project site is developed with a church and accessory structures, with the surrounding area predominately built-
out with single-family residences and public facilities on parcels between 1 and 15 acres in size. State Highway 32 is
located along the western boundary of the subject property. Though the project site and surrounding area are generally
developed, the area maintains rural and foothill residential characteristics with the presence of larger parcel sizes and
dense vegetation.
Impact Discussion:
a.) Less than significant impact. The surrounding environment maintains dense stands of coniferous trees with
an average height of 70 feet above existing grade. The proposal to construct a 125-ft. monopole disguised
as a pine tree (monopine) would help blend the artificial features of the telecommunication facility with the
surrounding natural setting to the greatest extent feasible. The proposed pre-fabricated equipment shelter
and surrounding chain-link fence would be generally consistent with the existing structures in the surrounding
area, and would not otherwise have a demonstrable negative aesthetic effect.
b.) No impact. No scenic resources or unique features have been identified on the project site. In addition, no
scenic highways exist in the vicinity of the project site.
c.) No impact. The proposed telecommunication facility includes a monopole disguised as a pine tree
(monopine). The monopine design will match and blend with the existing mature on-site and off-site trees
in the immediate area. With the proposed design, the facility would be visually integrated with the visual
characteristics of the surrounding area, and would not result in altering the rural character or visual quality
of the project site and surrounding area.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 10 of 45 ■
d.) Less than significant impact. Outdoor lighting for safety and security would be added at the entrance of the
pre-fabricated equipment shelter. Lighting would have a motion-sensor activation, and would be shielded
and downward-tilted. Additional lighting may be installed if other carriers collocate at the facility. Proposed
lighting and future lighting would be subject to Article 14, Section 24-67 of Butte County Zoning Code,
which requires that all outdoor lighting in residential areas be located, adequately shielded, and directed such
that no direct light falls outside the property perimeter, or into the public right-of-way. With the
implementation of outdoor lighting regulations at the time of development, the proposed project would not
create new sources of substantial lighting or glare that would generate a significant impact.
Mitigation Measure: None required.
4.2 Agriculture Resources:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Convert Prime Farmland, Unique Farmland, or
Farmland of Statewide Importance (Farmland), as
shown on the maps prepared pursuant to the
Farmland Mapping and Monitoring Program of the
California Resources Agency, to non-agricultural
use?
b. Conflict with existing zoning for agricultural use, or
a Williamson Act Contract?
c. Conflict with existing zoning for, or cause rezoning
of, forest land (as defined in Public Resources Code
section 12220(g)), timberland (as defined by Public
Resources Code section 4526), or timberland zoned
Timberland Production (as defined by Government
Code section 51104(g))?
d. Result in the loss of forest land or conversion of
forest land to non-forest use?
e. Involve other changes in the existing environment
which, due to their location or nature, could result in
conversion of Farmland, to non-agricultural use or
conversion of forest land to non-forest use?
Setting:
The southern portion of the 3.87 acre property is developed with a church and accessory structures. The northern
portion of the property is largely undeveloped with the exception of overhead power lines that transect the site in a
north to south direction. Undeveloped portions of the project site consists primarily of timberland that includes species
such as ponderosa pines, Douglas firs, sugar pines, and other conifer-type tree species. An area within the undeveloped
portion of the property had previously been cleared of vegetation to facilitate the construction of a mobile home, which
was installed and subsequently removed. Since removal of the mobile home, the clearing had not revegetated.
Important Farmland
To characterize the environmental baseline for agricultural resources, Important Farmland Maps produced by the
California Department of Conservation’s Farmland Mapping and Monitoring Program (FMMP) were reviewed.
Important Farmland maps show categories of Prime Farmland, Farmland of Statewide Importance, Unique Farmland,
Farmland of Local Importance (if adopted by the county), Grazing Land, Urban and Built-up Land, Other Land, and
Water. Prime Farmland and Farmland of Statewide Importance map categories are based on qualifying soil types, as
determined by the U.S. Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS), as well
as current land use. These map categories are defined by the Department of Conservation’s FMMP as follows:
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 11 of 45 ■
Prime Farmland: Land which has the best combination of physical and chemical characteristics for the production
of crops. It has the soil quality, growing season, and moisture supply needed to produce sustained high yields of
crops when treated and managed, including water management, according to current farming methods.
Farmland of Statewide Importance: Land that is similar to Prime Farmland but with minor shortcomings, such
as greater slopes or less ability to hold and store moisture.
Unique Farmland: Land of lesser quality soils used for the production of specific high economic value crops. It
has the special combination of soil quality, location, growing season, and moisture supply needed to produce
sustained high quality or high yields of a specific crop when treated and managed according to current farming
methods. It is usually irrigated, but may include non-irrigated orchards or vineyards as found in some climatic
zones in California. Examples of crops include oranges, olives, avocados, rice, grapes, and cut flowers.
Farmland of Local Importance: Land of importance to the local agricultural economy, as determined by each
county’s board of supervisors and local advisory committees. Examples include dairies, dryland farming,
aquaculture, and uncultivated areas with soils qualifying for Prime Farmland and Farmland of Statewide
Importance. Butte County has not adopted a definition of Farmland of Local Importance.
Grazing Land: Land on which the existing vegetation, whether grown naturally or through management, is
suitable for grazing or browsing of livestock.
Urban and Built-up Land: Land used for residential, industrial, commercial, construction, institutional, public
administrative purpose, railroad yards, cemeteries, airports, golf courses, sanitary landfills, sewage treatment
plants, water control structures, and other development purposes. Highways, railroads, and other transportation
facilities are also included in this category.
Other Land: Land not included in any other mapping category. Common examples include low density rural
developments; brush, timber, wetland, and riparian areas not suitable for livestock grazing; confined livestock,
poultry or aquaculture facilities; strip mines, borrow pits; and water bodies smaller than forty acres. Vacant and
nonagricultural land surrounded on all sides by urban development and greater than 40 acres is mapped as Other
Land.
Water: Water areas with an extent of at least 40 acres.
The project site is identified as containing lands classified as Urban and Built-up Land on the southern half of the
project site, and Other Land on the northern half of the project site. Areas surrounding the project site include Urban
and Built-up Land and Other Land.
Impact Discussion:
a.) No Impact. The project site is designated as Urban and Built-up Land and Other Land, and not designated
as Important Farmland in the Farmland Mapping and Monitoring Program. Therefore, the proposed project
would not result in the conversion of Important Farmland to a non-agricultural use.
b.) No impact. The project site and surrounding area is zoned for foothill residential and public uses. No existing
agricultural uses are located on the project site or surrounding area. Therefore, no agricultural resources on
the project site or surrounding area would be affected by the proposed project. The project would not result
in a change to the current zoning designation of the property. The project site is not restricted by a Williamson
Act contract.
c.) No impact. The project site is located within the mountainous region of Butte County, where the natural
landscape is dominated by coniferous forest that provides 10-percent native tree coverage under natural
conditions. The proposed project would not result in the rezoning of the project site, or otherwise cause the
loss of forest land because the total footprint of the project is 1,600 sq. ft. The development footprint for the
facility is located in an area that had been cleared of vegetation to facilitate the development of a mobile
home, which had been subsequently removed. No tree removal is anticipated to construct the facility.
d.) No impact. See Discussion Section 4.2(c).
e.) No impact. No prime, unique or farmland of statewide importance occurs on the project site, or in the
immediate vicinity of the project site. The project site and surrounding area are zoned for foothill residential
and public uses. Construction of proposed telecommunication facility would be compatible with the uses
surrounding the project site, and would not convert forest land to a non-forest land use.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 12 of 45 ■
Mitigation Measure: None required.
4.3 Air Quality:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Conflict with or obstruct implementation of the
applicable air quality plan?
b. Violate any air quality standard or contribute
substantially to an existing or projected air quality
violation?
c. Result in a cumulatively considerable net increase of any
criteria pollutant for which the project region is non-
attainment under an applicable federal or state ambient
air quality standard (including releasing emissions which
exceed quantitative thresholds for ozone precursors)?
d. Expose sensitive receptors to substantial pollutant
concentrations?
e. Create objectionable odors affecting a substantial
number of people?
Setting:
Butte County is located within the Northern Sacramento Valley Air Basin (NSVAB). Summer conditions in the
NSVAB are typically characterized by high temperatures and low humidity, with temperatures averaging from
approximately 90 degrees Fahrenheit during the day and 50 degrees Fahrenheit at night. During the summer months,
the prevailing winds are typically from the south. Winter conditions are characterized by occasional rainstorms
interspersed with stagnant and sometimes foggy weather. The daytime average temperatures is in the low 50soF and
nighttime temperatures average in the upper 30soF. During winter, winds predominate from the south, but north winds
frequently occur. Rainfall occurs mainly from late October to early May, with an average of 17.2 inches per year, but
this amount can vary significantly each year.
Dispersion of local pollutant emissions are predominately affected by the prevailing wind patterns and inversions that
often occur in the NSVAB. Within the NSVAB, two types of inversions can occur. During the summer months,
sinking air forms a “lid” over the region and confines pollution to a shallow layer near the ground, which can contribute
to photochemical smog problems. During winter nights, air near the ground cools while the air aloft remains warm,
which can cause localized air pollution “hot spots” near emission sources (Butte County General Plan EIR; BCAQMD,
2014).
Current Ambient Air Quality
Federal and state standards have been established for six criteria pollutants, including ozone (O3), carbon monoxide
(CO), nitrogen dioxide (NO2), sulfur dioxide (SO2), particulates less than 10 microns and 2.5 microns in diameter
(PM10 and PM2.5), and lead (Pb). The Butte County Air Quality Management District (BCAQMD) is the primary
agency responsible for assuring that the federal and state ambient air quality standards are attained and maintained in
Butte County. The BCAQMD operates a network of ambient air monitoring stations throughout Butte County.
Depending on whether the standards for a particular criteria air pollutant has been met or exceeded, the local air basin
is classified as being in “attainment” or “nonattainment.” Based on the most recent monitoring data, Butte County is
a nonattainment area for both state and federal ozone standards, the state and federal PM2.5 standards, and the state
PM10 standards. Butte County is in attainment for the state and federal standards for sulfur dioxide, nitrogen dioxide,
and carbon monoxide (BCAQMD, 2014).
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 13 of 45 ■
Air Quality Planning
The California Clean Air Act requires air districts to prepare a plan for air quality improvement for criteria pollutants
for which the District is in nonattainment. The BCAQMD’s Air Quality Attainment Plan was first adopted in 1991
and updated in 1994, 1997, 2000 and 2003. In 2006, the District collaborated with other air pollution control districts
in the NSVAB to prepare a joint Air Quality Attainment Plan. That joint plan has been updated in 2006, 2009 and
2012 as the Northern Sacramento Valley Planning Area Triennial Air Quality Attainment Plan. The attainment plan
is the basis for an air district’s functional strategy to meet federal and state ambient air quality standards.
The BCAQMD, in its role of insuring that projects are properly evaluated for consistency with ambient air quality
standards and the Northern Sacramento Valley Planning Area Triennial Air Quality Attainment Plan, have prepared
guidelines to assist applicants and lead agencies in evaluating potential air quality and greenhouse impacts that may
occur with a proposed project. Established with these guidelines are screening criteria to determine whether or not
additional modeling for criteria air pollutants is necessary for a project. The screening criteria listed in Table 4.3-2
were created using CalEEMod version 2013.2.2 for the given land use types. To determine whether or not a proposed
project meets the screening criteria, the size and metric for the land use type (units or square footage) should be
compared with that of the proposed project. If a project meets the applicable screening criteria, then further
quantification of criteria air pollutants is not necessary, and it may be assumed that the project would have a less than
significant impact for criteria air pollutants. If a project exceeds the size provided by the screening criteria for a given
land use type then additional modeling and quantification of criteria air pollutants should be performed (BCAQMD,
2014).
Impact Discussion:
a.) Less than significant impact. A project is deemed inconsistent with air quality plans if it would result in
population and/or employment growth that exceeds growth estimates included in the applicable air quality
plan, which in turn would generate emission not accounted for in the applicable air quality plan emissions
budget. Therefore, proposed projects need to be evaluated to determine whether it would generate population
Table 4.3-1 Butte County - State and Federal Ambient Air Quality Attainment Status
POLLUTANTSTATE DESIGNATIONFEDERAL DESIGNATION
1-hour ozoneNonattainment-
8-hour ozoneNonattainmentNonattainment
Carbon monoxideAttainmentAttainment
Nitrogen DioxideAttainmentAttainment
Sulfur DioxideAttainmentAttainment
24-Hour PM10NonattainmentAttainment
24-Hour PM2.5No StandardNonattainment
Annual PM10AttainmentNo Standard
Annual PM2.5NonattainmentAttainment
Source: Butte County AQMD, 2014
Table 4.3-2 Screening Criteria for Criteria Air Pollutants
LAND USE TYPEMAXIMUM SCREENING LEVELS FOR PROJECTS
Single Family Unit Residential30 units
Multi-Family (Low Rise) Residential75 units
Commercial15,000 square feet
Educational24,000 square feet
Industrial59,000 square feet
Recreational5,500 square feet
Retail11,000 square feet
Source: Butte County AQMD, CEQA Air Quality Handbook, 2014
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 14 of 45 ■
and employment growth and, if so, whether that growth would exceed the growth rates included in the
relevant air plans.
The proposed project would not result in population growth in the County. Further, the project would not
result in a substantial increase in criteria air pollutants that would cause significant impacts to regional air
quality, provided that best management practices for the control of fugitive dust during construction activities
are employed.
b.) Less than significant impact with mitigation incorporated. The proposed project has the potential to impact
air quality primarily in two ways: (1) the project would generate mobile source and energy use emissions
associated with the operation and maintenance of the telecommunication facility, and (2) fugitive dust
(particulate/PM10) and construction exhaust emissions would be generated during construction of the facility.
Mobile source emissions are produced from motor vehicles, and include tailpipe and evaporative emissions
cause by the performance of routine maintenance activities. Energy use associated with the operation of the
facility would be caused by the use of heating and cooling systems, lighting, and powering the
telecommunication equipment. Operational emissions generated by the proposed project are not expected to
be substantial, and would not significantly violate existing air quality standards, because the expected size of
the project is substantially lower than current thresholds established in the screening criteria in Table 4.3-2.
Construction-related emissions are generally created throughout the course of project implementation, and
would originate from construction equipment exhaust, employee vehicle exhaust, dust from grading the land,
exposed soil eroded by wind, and ROGs from any architectural coating and asphalt paving. Construction-
related emissions would vary substantially depending on the level of activity, length of the construction
period, specific construction operations, types of equipment, number of personnel, wind and precipitation
conditions, and soil moisture content. Despite this variability in project site conditions, there are a number
of feasible control measures that can be reasonably implemented to meaningfully reduce construction-related
emissions to a less than significant level. These measures as well as other common air pollution control
measures are recommended in Appendix C of BCAQMD’s CEQA Handbook (2014), and are to be
implemented as Mitigation Measure #1, listed below.
c.) Less than significant impact with mitigation incorporated. Based on the information provided in section
b.), above, the proposed project would not result in the violation of any air quality standards or contribute
substantially to an existing or projected air quality violation, except for potential fugitive dust emissions during
construction activities.
Fugitive dust emissions generated during construction has the potential to contribute cumulatively to the region’s
non-attainment of PM10 and PM2.5 emissions. Implementation of Mitigation Measure #1 would reduce potential
cumulative fugitive dust emission impacts to a less than significant level.
d.) Less than significant impact with mitigation incorporated. Residences and a public school is located within
¼ mile of the project site. Construction activities would generate emissions of criteria pollutants, including
suspended and inhalable particulate matter and equipment exhaust emissions. These emissions could expose
nearby sensitive receptors to pollutants concentrations.
Implementation of Mitigation Measure #1 would reduce impacts of construction-related fugitive dust
emissions. Additionally, because impacts related to equipment exhaust emissions would not exceed the
screening criteria recommended by BCAPMD, and because construction activities would likely be
infrequent, impacts to sensitive receptors would be less than significant.
e.) Less than significant impact. No objectionable odors would be caused by the project. However,
construction activities may cause objectionable odors from tailpipe diesel emissions and from solvents in
adhesives, paints, caulking materials, and new asphalt. Since odor impacts would be temporary and limited
to the area adjacent to the construction operations, and because the project site is located in a rural area of
the county, odors would not impact a substantial number of people for an extended period of time.
Mitigation Measure #1 – (Construction Emissions)
The following best practice measures to reduce impacts to air quality shall be incorporated by the project applicant,
subject property owners, or third-party contractors during construction activities on the project site. These measures
are intended to reduce criteria air pollutants that may originate from the site during the course of land clearing and
other construction operations.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 15 of 45 ■
Diesel PM Exhaust from Construction Equipment and Commercial On-Road Vehicles Greater than 10,000 Pounds
All on- and off-road equipment shall not idle for more than five minutes. Signs shall be posted in the designated
queuing areas and/or job sites to remind drivers and operators of the five minute idling limit.
Idling, staging and queuing of diesel equipment within 1,000 feet of sensitive receptors is prohibited.
All construction equipment shall be maintained in proper tune according to the manufacturer’s specifications.
Equipment must be checked by a certified mechanic and determined to be running in proper condition before the
start of work.
Install diesel particulate filters or implement other CARB-verified diesel emission control strategies.
Shall not operate a diesel-fueled auxiliary power system (APS) to power a heater, air conditioner, or any ancillary
equipment on that vehicle during sleeping or resting in a sleeper berth for greater than 5 minutes at any location
when within 100 feet of a restricted areas.
To the extent feasible, truck trips shall be scheduled during non-peak hours to reduce perk hour emissions.
Operational TAC Emissions
All mobile and stationary Toxic Air Contaminants (TACs) sources shall comply with applicable Airborne Toxic
Control Measures (ATCMs) promulgated by the CARB throughout the life of the project (see
http:www.arb.ca.gov/toxics/atcm/atcm.htm).
Stationary sources shall comply with applicable District rules and regulations.
Fugitive Dust
Construction activities can generate fugitive dust that can be a nuisance to local residents and businesses near a
construction site. Dust complaints could result in a violation of the District’s “Nuisance” and “Fugitive Dust” Rules
200 and 205, respectively. The following is a list of measures that may be required throughout the duration of the
construction activities:
Reduce the amount of the disturbed area where possible.
Use of water trucks or sprinkler systems in sufficient quantities to prevent airborne dust from leaving the site.
An adequate water supply source must be identified. Increased watering frequency would be required whenever
wind speeds exceed 15 mph. Reclaimed (non-potable) water should be used whenever possible.
All dirt stockpile areas should be sprayed daily as needed, covered, or a District approved alternative method
will be used.
Permanent dust control measures identified in the approved project revegetation and landscape plans should be
implemented as soon as possible following completion of any soil disturbing activities.
Exposed ground areas that will be reworked at dates greater than one month after initial grading should be sown
with a fast-germinating non-invasive grass seed and watered until vegetation is established.
All disturbed soil areas not subject to re-vegetation should be stabilized using approved chemical soil binders,
jute netting, or other methods approved in advance by the Butte County Air Quality Management District.
All roadways, driveways, sidewalks, etc. to be paved should be completed as soon as possible. In addition,
building pads should be laid as soon as possible after grading unless seeding or soil binders are used.
Vehicle speed for all construction vehicles shall not exceed 15 mph on any unpaved surface at the construction
site.
All trucks hauling dirt, sand, soil, or other loose materials are to be covered or should maintain at least two feet
of freeboard (minimum vertical distance between top of load and top of trailer) in accordance with local
regulations.
Install wheel washers where vehicles enter and exit unpaved roads onto streets, or wash off trucks and equipment
leaving the site.
Sweep streets at the end of each day if visible soil material is carried onto adjacent paved roads. Water sweepers
with reclaimed water should be used where feasible.
Post a sign in prominent location visible to the public with the telephone numbers of the contractor and the
Butte County Air Quality Management District - (530) 332-9400 for any questions or concerns about dust from
the project.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 16 of 45 ■
All fugitive dust mitigation measures required should be shown on grading and building plans. In addition, the
contractor or builder should designate a person or persons to monitor the dust control program and to order increased
watering, as necessary, to prevent transport of dust offsite. Their duties shall include holidays and weekend period
when work may not be in progress. The name and telephone number of such persons shall be provided to the District
prior to land use clearance for map recordation and finished grading of the area.
Please note that violations of District Regulations are enforceable under the provisions of California Health and Safety
Code Section 42400, which provides for civil or criminal penalties of up to $25,000 per violation.
Plan Requirements: Applicable measures shall be adhered to by the applicant, property owners, and third-party
contractors during construction activities. Measures shall be noted on grading and building plans.
Timing: Requirements of the condition shall be adhered to throughout all grading and construction periods.
Monitoring: Butte County Department of Development Services
4.4 Biological Resources:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Have a substantial adverse effect, either directly or
through habitat modifications, on any species
identified as a candidate, sensitive, or special status
species in local or regional plans, policies, or
regulations, or by the California Department of Fish
and Game or U.S. Fish and Wildlife Service?
b. Have a substantial adverse effect on any riparian
habitat or other sensitive natural community
identified in local or regional plans, policies,
regulations or by the California Department of Fish
and Game or U.S. Fish and Wildlife Service?
c. Have a substantial adverse effect on federally
protected wetlands as defined by Section 404 or the
Clean Water Act (including, but not limited to, marsh,
vernal pool, coastal, etc.) through direct removal,
filling, hydrological interruption, or other means)?
d. Interfere substantially with the movement of any
native resident or migratory fish and wildlife species
or with established native resident or migratory
wildlife corridors, or impede the use of native wildlife
nursery sites?
e. Conflict with any local policies or ordinances
protecting biological resources such as a tree
preservation policy ordinance?
f. Conflict with the provisions of an adopted Habitat
Conservation Plan, Natural Community Conservation
Plan, or other approved local, regional, or state habitat
conservation plan?
g. A reduction in the numbers, a restriction in the range,
or an impact to the critical habitat of any unique, rare,
threatened, or endangered species of animals?
h. A reduction in the diversity or numbers of animals
onsite (including mammals, birds, reptiles,
amphibians, fish or invertebrates)?
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 17 of 45 ■
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
i. A deterioration of existing fish or wildlife habitat (for
foraging, breeding, roosting, nesting, etc.)?
j. Introduction of barriers to movement of any resident
or migratory fish or wildlife species?
k. Introduction of any factors (light, fencing, noise,
human presence and/or domestic animals) which could
hinder the normal activities of wildlife?
Setting:
The project site is located in the mountainous region of Butte County, in the community of Forest Ranch. The Butte
County General Plan identifies this property as being located in the Conifer Forest biological community.
Conifer Forest
The conifer forest community consists of several types of conifer trees including montane hardwood-conifer,
ponderosa pine, Sierran mixed conifer, red fir and subalpine conifer. The dominate species at the project site is
Ponderosa pine, which generally occur at elevations below 7,000 feet and include stands of pure ponderosa pine as
well as areas with associated species, such as Douglas fir, sugar pine, white fir, incense cedar, Jeffrey pine, and others,
together with a shrub and herbaceous understory.
Conifer forests provide habitat for a large number of wildlife species. Wildlife species that are common in this habitat
include Steller’s jay, hairy woodpecker, mountain chickadee, western gray squirrel, porcupine, gray fox, and blacktail
deer. Special-status wildlife species that may occur in this community type include the bald eagle, northern goshawk,
California spotted owl, Sierra Nevada red fox, Pacific fisher, and California wolverine.
Jurisdictional Waters of the United States, including Wetlands
Waters of the United States (U.S.), including wetlands, are broadly defined to include navigable waterways, and
tributaries of navigable waterways, and adjacent wetlands. Although definitions vary to some degree, wetlands are
generally considered to be areas that are periodically or permanently inundated by surface water or groundwater,
supporting vegetation adapted to life in saturated soil. Jurisdictional wetlands are vegetated areas that meet specific
vegetation, soil, and hydrologic criteria defined by the U.S. Army Corps of Engineers (USACE). The USACE holds
sole authority to determine the jurisdictional status of waters of the U.S., including wetlands. Jurisdictional wetlands
and Waters of the U.S. include, but are not limited to, perennial and intermittent creeks and drainages, lakes, seeps,
and springs; emergent marshes; riparian wetlands; and seasonal wetlands. Wetland and waters of the U.S. provide
critical habitat components, such as nest sites and reliable source of water for a wide variety of wildlife species.
No discernable drainages or other wetland features were identified on, or within close proximately to, the project site.
Special-Status Species
Many species of plants and animals within the State of California have low populations, limited distributions, or both.
Such species may be considered “rare” and are vulnerable to extirpation as the state’s human population grows and the
habitats these species occupy are converted to agricultural and urban uses. A sizable number of native species and animals
have been formally designated as threatened or endangered under State and Federal endangered species legislation. Others
have been designated as “Candidates” for such listing and the California Department of Fish and Wildlife (CDFW) have
designated others as “Species of Special Concern”. The California Native Plant Society (CNPS) has developed its own
lists of native plants considered rare, threatened or endangered. Collectively, these plants and animals are referred to as
“special status species.”
Various direct and indirect impacts to biological resources may result from the small amount of development enabled by
the project, including the loss and/or alteration of existing undeveloped open space that may serve as habitat. Increased
vehicle trips to and from the project site can result in wildlife mortality and disruption of movement patterns within and
through the project vicinity. Disturbances such as predation by pets (e.g., cats and dogs) and human residents may also
occur at the human/open space interface, while conversion of land from lower to higher density residential use can lead to
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 18 of 45 ■
a predominance of various urban-adapted wildlife species (e.g., coyotes, raccoons, ravens and blackbirds) that have been
observed to displace more sensitive species.
California Environmental Quality Act Guidelines Section 15065 requires a mandatory finding of significance for projects
that have the potential to substantially degrade or reduce the habitat of a threatened or endangered species, and to fully
disclose and mitigate impacts to special status resources. For the purposes of this Initial Study, the California
Environmental Quality Act (Sections 21083 and 21087, Public Resources Code) defines mitigation as measure(s) that:
Avoids the impact altogether by not taking a certain action or parts of an action.
Minimizes impacts by limiting the degree or magnitude of the action and its implementation.
Rectifies the impact by repairing, rehabilitating, or restoring the impacted environment.
Reduces or eliminates the impact over time by preservation and maintenance operations during the life of
the project.
Compensates for the impact by replacing or providing substitute resources or environments.
The California Natural Diversity Database (CNDDB) was reviewed to determine if any special-status species have
the potential to occur on the project site or in the vicinity. Table 4.4-1 lists the regulatory status and habitat
requirements for each special-status species identified within 2 miles of the project site.
Impact Discussion:
a.) Less than significant impact. The project site is situated in an area that had been previously cleared of
vegetation and graded to construct a mobile home site. Historic use of the project site for residential and
commercial development (church) has resulted in habitat fragmentation and the introduction of non-native
species, which have diminished the habitat value of the vegetative communities on the project site, and its
ability to support special-status species that have a potential to occur at the site. The small development
footprint generated by the proposed project would result in minimal vegetation removal to facilitate
construction, and would not significantly degrade or reduce the existing habitat values on the project site.
b.) No impact. Review of the project site and project area did not discover the presence of any riparian habitat
or other sensitive habitat type.
c.) No impact. The project site is located in an area where no federally protected wetlands as defined by Section
404 of the Clean Water Act exists, or within proximity to the project site. The project site does not contain
any discernible drainage courses, inundated areas, wetland vegetation, or hydric soils and thus does not
include USACE jurisdictional drainages or wetlands.
d.) No impact. Wildlife movement corridors are routes frequently utilized by wildlife that provide shelter and
sufficient food supplies to support wildlife species during migration. Movement corridors generally consist
Table 4.4-1 Special-Status Species with a Potential Occurance on the Project Site
Scientific NameCommon NameFederal StatusState StatusCNPS ListHabitat
Sidalcea robusta Butte County checkerbloom NoneNone1B.2 Woodland, Annual Grassland
Astragalus tener var. ferrisiae white-stemmed clarkia NoneNone1B.2 Woodland, Chaparral
Eriogonum umbellatum var. ahartii Ahart's buckwheat NoneNone1B.2 Woodland, Chaparral
Clarkia mildrediae ssp. mildrediae Mildred's clarkiaNoneNone1B.3 Woodland, Coniferous Forest
Cardamine pachystigma var.
dissectifolia
dissected-leaved toothwortNoneNone1B.2
Chaparral, Coniferous Forest
Oncorhynchus mykiss irideus Steelhead - Central ValleyThreatenedNoneAquatic
Oncorhynchus tshawytscha Chinook Salmon - spring-run ThreatenedThreatened Aquatic
CNPS California Rare Plant Rank
CNPS 1B: Rare or Endangered in California or elsewhere
CNPS 2: Rare or Endanagered in California, more common elsewhere
0.1 ‐ Seriously Threatened
0.2 ‐ Fairly Threatened
0.3 ‐ Not very Threatened
PLANTS
FISH
Source: California Natural Diversity Database Version 3.1.0 / Butte Regional Conservation Plan, December 2012 Draft
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 19 of 45 ■
of riparian, woodlands, or forested habitats that span contiguous acres of undisturbed habitat. Wildlife
movement corridors are an important element of resident species home ranges, including deer and coyote.
The project site is not located within the Butte County migratory deer corridors. No major migratory routes
or corridors have been designated through the project site, and the existing developed components of the
project area (i.e. State Highway 32 and fenced parcels) preclude use of the area as a migratory wildlife
corridor for large mammals. However, the site may facilitate home range and dispersal movement of resident
wildlife species, including birds, small mammals and other wildlife. Development of the site would not
restrict regional wildlife movement or wildlife migration patterns primarily due to small footprint of the
facility.
e.) No impact. No trees are proposed to be removed to construct the proposed facility. The facility will be located
in a cleared area that was previously developed with a mobile home and subsequently removed. Proposed
development would not conflict with any local policies or ordinances protecting biological resources.
f.) No impact. The Butte Regional Conservation Plan (BRCP) is a joint Habitat Conservation Plan
(HCP)/National Community Conservation Plan (NCCP) that is currently being prepared for the western half
of the Butte County, and is scheduled to be completed in 2015. As the plan has not been adopted and the
proposed project is not located in the plan area, the project would not conflict, nor interfere with, the
attainment of the goals of the proposed plan.
g.) Less than significant impact. See discussion 4.4(a) – Biological Resources.
h.) Less than significant impact. See discussion 4.4(a) – Biological Resources.
i.) Less than significant impact. See discussion 4.4(a) – Biological Resources.
j.) No impact. See discussion 4.4(d) – Biological Resources.
k.) Less than significant impact. This project would introduce factors such as lighting, fencing and noise to an
area that already has such factors present, at a greater scale. The lighting, fencing and noise from the proposed
project is consistent with the surrounding area, and the addition of the Project is not anticipated to
significantly hinder normal activities of wildlife.
Mitigation Measure: None required.
4.5 Cultural Resources:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Cause a substantial adverse change in the significance
of a historical resource as defined in §15064.5?
b. Cause a substantial adverse change in the significance of
an archaeological resource pursuant to §15064.5?
c. Directly or indirectly destroy a unique paleontological
resource or site or unique geologic feature?
d. Disturb any human remains, including those interred
outside of formal cemeteries?
Setting:
Cultural resources include prehistoric and historic period archaeological sites; historical features, such as rock walls,
water ditches and flumes, and cemeteries; and architectural features. Cultural resources consist of any human-made
site, object (i.e., artifact), or feature that defines and illuminates our past. Often such sites are found in foothill areas,
areas with high bluffs, rock outcroppings, areas overlooking deer migratory corridors, or near bodies of water.
Although this area is not located within one of these areas, there is still the chance that cultural resources could be
located on site.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 20 of 45 ■
A record search for existing archeological sites and surveys on the project site, and within the vicinity of the project
site, was conducted through the Northeast Information Center of the California Historical Resources Information
System in March 2015. The search did not reveal the existence of any prehistoric or historic resources on the project
site. But, it was noted that historic sites have been recorded in the project vicinity, and that unrecorded sites may be
located in the project site.
Impact Discussion:
a-d.) Less than significant impact with mitigations incorporated. Historic use of the project site has resulted in
ground-disturbing activities that likely destroyed any cultural resources that may have been located on the
surface. Future grading and other soil disturbance activities resulting from the development of the project
site has the potential to uncover historic or prehistoric cultural resources located below the surface. To
prevent impacts to the resources that may be uncovered during development activities on the project site,
Mitigation Measure #2, below, is recommended.
Mitigation Measure #2 – (Cultural Resources)
Should grading activities reveal the presence of prehistoric or historic cultural resources (i.e. artifact concentrations,
including arrowheads and other stone tools or chipping debris, cans glass, etc.; structural remains; human skeletal
remains) work within 50 feet of the find shall immediately cease until a qualified professional archaeologist can be
consulted to evaluate the find and implement appropriate mitigation procedures. Should human skeletal remains be
encountered, State law requires immediate notification of the County Coroner ((530) 538-6579). Should the County
Coroner determine that the remains are in an archaeological context, the Native American Heritage Commission in
Sacramento shall be notified immediately, pursuant to State Law, to arrange for Native American participation in
determining the disposition of such remains.
Plan Requirements: Should cultural resources be discovered, the project proponent shall notify the Planning
Division and a professional archaeologist. The Planning Division shall coordinate with the developer and appropriate
authorities to avoid damage to cultural resources and determine appropriate action.
Timing: This measures shall be implemented during construction activities, including land clearing, road
construction, utility installation, and site development.
Monitoring: Butte County Department of Development Services
4.6 Geologic Processes:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Expose people or structures to potential substantial
adverse effects, including the risk of loss, injury, or
death involving:
1. Rupture of a known earthquake fault, as
delineated on the most recent Alquist-Priolo
Earthquake Fault Zoning Map issued by the
State Geologist for the area or based on other
substantial evidence of a known fault? Refer to
Division of Mines and Geology Special
Publication 42.
2. Strong seismic ground shaking?
3. Seismic-related ground failure, including
liquefaction?
4. Landslides?
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 21 of 45 ■
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
b. Result in substantial soil erosion or the loss of topsoil?
c. Be located on a geologic unit or soil that is unstable, or
that would become unstable as a result of the project,
and potentially result in on- or off-site landslide, lateral
spreading, subsidence, liquefaction or collapse?
d. Be located on expansive soil, as defined in Table 18-1-
B of the Uniform Building Code (1994), creating
substantial risks to life or property?
e. Have soils incapable of adequately supporting the use
of septic tanks or alternative waste water disposal
system where sewers are not available for the disposal
or waste water?
Settings
Geologic Hazards
Expansive Soils
Expansive soils possess a “shrink-swell” behavior. Shrink-swell is the cyclic change in volume (expansion and
contraction) that occurs in fine-grained clay sediments from the process of wetting and drying. Structural damage may
occur over a long period of time, usually the result of inadequate soil and foundation engineering or the placement of
structures directly on expansive soils. The Health and Safety Element of the Butte County General Plan identifies the
project site as having a “Moderate” potential of expansive soils.
Soil Erosion
Erosion is the wearing away of soil and rock by processes such as wind and precipitation runoff. Soils containing high
amounts of silt or clay can be easily erodible, while sandy soils are less susceptible. Excessive soil erosion can eventually
lead to damage of building foundations and roadways. Typically, soil erosion potential is reduced once the soil is graded
and covered with gravel, concrete, structures, asphalt, or a vegetative cover. The Health and Safety Element of the Butte
County General Plan identifies the project site as having a “Moderate” potential for soil erosion.
Landslides
A landslide is the sliding of a mass of loosened rock and/or soil down a hillside or slope. Some of the natural causes of
this instability are earthquakes, weak soils, erosion, heavy rainfall and fire. Human activities such as poor grading that
undercuts steep slopes or overloads them will fill; excessive irrigation and removal of vegetation can also contribute to
landslides. Most landslides in Butte County occur on slopes greater than 15 percent, and most new landslides occur in
areas that have experience previous landslides. The areas of highest landslide potential are in the mountainous central area
of the county where well-developed soils overlay impervious bedrock on steep slopes. The remaining areas of Butte
County has moderate to low landslide potential. The areas of lowest landslide potential are the flat lands of the Sacramento
Valley. The Health and Safety Element of the Butte County General Plan identifies the project site as having “Low” to
“Moderate” landslide potential.
Seismic Hazards
Surface Fault Rupture
Seismically induced ground rupture is defined as the physical displacement of surface deposits in response to movement
on the fault place. The magnitude, sense, and nature of fault rupture can vary for different faults or event along different
strands of the same fault. Ground rupture is considered more likely along active faults. The Cleveland Hills fault is the
only fault located within Butte County that has been identified as an active fault pursuant to the Alquist-Priolo Earthquake
Fault Zones Act. This fault was responsible for the 1975 Oroville earthquake, which had a Richter magnitude of 5.7 and
produced surface displacement along approximately 2.2 miles of the fault. Other active and potentially active faults are
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 22 of 45 ■
located in the region. However, because there are no known active faults underlying or adjacent to the project site, the
likelihood of surface fault rupture is very low and would not be a design consideration.
Ground Shaking
Ground shaking at the project site could occur due to earthquakes on the regions active faults. However, ground motions
attenuate with distance from the causative fault, as well as the local geologic and soil conditions. The Seismic Hazards
Mapping Program of the California Geological Survey categorizes all of Butte County as a “seismic hazard zone” since
the entire County is subject to earthquakes of Modified Mercalli Intensity scale VIII. The Oroville earthquake of 1975 is
the only earthquake of this intensity recorded in Butte County. This earthquake resulted in structural damage, partial
destruction of some buildings, fires and numerous injuries. Though, it is accepted that earthquakes of magnitude 6.0 or
6.5 are possible anywhere in Butte County, the county is generally considered to be an area of low seismic activity.
Liquefaction
Liquefaction is a phenomenon whereby unconsolidated and/or near saturated soils lose cohesion and are converted to a
fluid state as a result of sever vibratory motion. The relatively rapid loss of soil shear strength during strong earthquake
shaking results in the temporary fluid-like behavior of the soil. Soil liquefaction causes ground failure that can damage
roads, pipelines, underground cables, and building with shallow foundations. Liquefaction can occur in areas characterized
by water-saturated, cohesionless, granular materials at depths less than 50 feet. Due to the relatively low potential for
strong ground motions and a general lack of significant deposits of saturated loose soils, such as alluvium, the liquefaction
potential, if any, can be addressed in the design of future structures during the building permit review process.
Seiches
A seiche is a periodic oscillation of a body of water such as a reservoir, river, lake, harbor, or bay resulting from seismic
shaking or other causes such as landslides into a body of water. The period of the oscillation varies depending on the side
of the body of water and may be several minutes to several hours. Depending on the magnitude of the oscillations, seiches
can cause considerable damage to dams, levees and shoreline facilities. Seiches have not been recorded in any of the
reservoirs in Butte County that are within the jurisdiction of the California Division of Dam Safety. However, the potential
for seiches does exist in Butte County, either from landslides or from stronger earthquakes that have been experienced in
historical times.
Impact Discussion:
a1.) Less than significant impact. There are no known active faults underlying, or adjacent to, the project site.
The Cleveland Hill fault is located approximately 15± miles southeast of the project site. Because the nearest
active fault is located a considerable distance from the project site, the likelihood of a surface rupture at the
project site is very low, and would not be a design consideration.
a2.) Less than significant impact. Ground shaking at the project site could occur due to the earthquake potential
of the regions active faults. However, active faults are relatively distant from the project site. As a result,
ground shaking due to seismic events is expected to have low to moderate intensities at the project site.
Future residential development on the resultant parcels would be subject to the California Building Code
(CBC). The CBC would provide minimum standards to safeguard life or limb, health, property and public
welfare by regulating the controlling the design, construction, quality of materials, use and occupancy,
location, and maintenance of buildings and structures within Butte County. Among the provisions of the
CBC are building design criteria for earthquake conditions in Butte County. Adherence to the CBC during
building construction would ensure that potential impacts are less than significant.
a3.) Less than significant impact. The project site is identified as being located within an area considered
“Generally Low” in respect to liquefaction potential. The California Building Code (CBC) regulates the
construction of structures, which may be constructed with approval of the proposed project. Adherence to
CBC standards at the time of development of the resultant parcels would ensure that any impacts from an
unstable geologic unit or soil are less than significant.
a4.) Less than significant impact. The project area is primarily level with 2-5% slopes. As a result, the landslide
potential for the project site and surrounding area is low. Though, the potential for landslides are generally
low, shallow slope failures can occur in virtually any sloping terrain during construction activities.
Avoidance of potentially sensitive slopes and/or implementation of appropriate engineering and construction
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 23 of 45 ■
measures at the time of development would avoid or reduce potential impacts of landslides to a less than
significant level.
b.) Less than significant impact. Surface soil erosion and loss of topsoil has the potential to occur from
disturbances associated with the construction-related activities. Construction activities could also result in
soil compaction and wind erosion effects that could adversely affect soils and reduce the revegetation
potential at the construction site and staging areas.
During construction-related activities, specific erosion control and surface water protection methods for each
construction activity would be implemented on the project site. The type and number of measures
implemented would be based upon location-specific attributes (i.e., slope, soil type, weather conditions).
These control and protection measures, or BMPs, are standard in the construction industry and are commonly
used to minimize soil erosion and water quality degradation.
Additionally, future construction activities may be subject to the National Pollutant Discharge Elimination
System (NPDES) General Construction Activities Storm Water permit program if one acre or more of land
is disturbed. Construction activities that result in a land disturbance of less than one acre, but which are part
of a larger common plan of development, also require a permit. This program requires implementation of
erosion control measures during and immediately after construction that are designed to avoid significant
erosion during the construction period. In addition, the project operation would be subject to State Water
Resources Control Board requirements for the preparation and implementation of a Storm Water Pollution
Prevention Plan (SWPPP) to control pollution in stormwater runoff from the project site, including excessive
erosion and sedimentation. The SWPPP, if required, must be obtained prior to any soil disturbance activities.
Implementation of standard erosion control BMP’s during future construction-related activities, together with
adherence to State requirements regarding grading activities, would ensure that potential erosion impacts are
less than significant.
c.) Less than significant impact. Destabilization of natural or constructed slopes could occur as a result of
future construction activities. Excavations, grading, and fill operations associated with providing access to
the resultant parcels and during development could alter existing slope profiles making them unstable as a
result of over-excavation of slope material, steepening of the slope, or increased loading. Standard
engineering design features and construction procedures would be implemented to maintain stable slopes and
excavations during construction, reducing impacts of unstable slopes to a less than significant level.
d.) Less than significant impact. Expansive soils can cause structural damage particularly when concrete
structures are in direct contact with the soils. Appropriate design features to address expansive soils may
include excavation of potentially problematic soils during construction and replacement with engineered
backfill, ground-treatment processes, direction of surface water and drainage away from foundation soils,
and the use of deep foundations such as piers or piles. Implementation of these standard engineering methods
would ensure that impacts associated with expansive soils would remain less than significant.
e.) No impact. On-site septic systems provide wastewater disposal to the existing uses on the project site. The
proposed project is an unmanned facility and would not produce any additional wastewater. Additionally, the
proposed project would not interfere with the existing sewage disposal systems on the project site.
Mitigation Measure: None required.
4.7 Greenhouse Gas Emissions:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Generate greenhouse gas emissions, either directly or
indirectly, that may have a significant impact on the
environment?
b. Conflict with an applicable plan, policy or regulation
adopted for the purpose of reducing the emissions of
greenhouse gases?
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 24 of 45 ■
Setting:
The earth’s atmosphere naturally contains a number of gases, including (but not limited to) carbon dioxide (CO2), methane
(CH4), and nitrous oxide (N2O), which are collectively referred to as greenhouse gases (GHGs). GHG emissions are
generally numerically depicted (when applicable) as carbon dioxide equivalents (CO2e). CO2e represents CO2 plus the
additional warming potential from CH4 and N2O. The common unit of measurement for carbon dioxide equivalents is in
metric tons (MTCO2e).
These gases trap some amount of solar radiation and the earth’s own radiation, preventing it from passing through earth’s
atmosphere and into space. GHG are vital to life on earth; without them, earth would be an icy planet. For example, CO2
is an element that is essential to the cycle of life. In general, CH4 and N2O have 21 and 310 times the warming potential
of CO2, respectively. Human-made emissions of GHG occur through the combustion of fuels, as well as a variety of other
sources.
Increasing GHG concentrations are believed to be warming the planet. As the average temperature of the earth increase,
weather may be affected, including changes in precipitation patterns, accumulation of snow pack, and intensity and
duration of spring snowmelt. Climate zones may change, affecting the ecology and biological resources of a region. There
may also be changes in fire hazards due to the changes in precipitation and climate zones.
While scientists have established a connection between increasing GHG concentrations and increasing average
temperatures, important scientific questions remain about how much warming would occur, how fast it would occur, and
how the warming would affect the rest of the climate system. At this point, scientific efforts are unable to quantify the
degree to which human activity impacts climate change. The phenomenon is worldwide, yet it is expected that there would
be substantial regional and local variability in climate changes. It is not possible with today’s science to determine the
effects of global climate change in a specific locale, or whether the effect of one aspect of climate change may be
counteracted by another aspect of climate change, or exacerbated by it.
Section 15064.4 of the CEQA Guidelines sets forth guidance for determining the significance of Impacts from Greenhouse
Gas Emissions. The guidelines allow impacts from a particular project to be described quantitatively or qualitatively and
direct that impacts should be evaluated in consideration of existing environmental setting, applicable thresholds of
significance, and compliance with regulations and requirements adopted to implement the mitigation of greenhouse gas
emissions.
Section 15064 (h)(3)of the CEQA Guidelines specifies that a project’s contribution to a cumulative effect may be found
‘not cumulatively considerable’ if the project will comply with the requirements in a previously approved plan or
mitigation program, including plans or regulations for the reduction of greenhouse gas emissions. Butte County has
adopted a Climate action Plan (CAP) for the reduction of greenhouse gases. The CAP provides measures that achieve a
15% reduction below 2006 emissions levels by 2020.
Section 15183.5(b) of CEQA Guidelines states that a GHG Reduction Plan, or a Climate Action Plan, may be used for
tiering and streamlining the analysis of GHG emissions in subsequent CEQA project evaluation provided that the CAP
does the following:
A. Quantify greenhouse gas emissions, both existing and projected over a specified time period, resulting from
activities within a defined geographic area;
B. Establish a level, based on substantial evidence, below which the contribution to greenhouse gas emissions
from activities covered by the plan would not be cumulatively considerable;
C. Identify and analyze the greenhouse gas emissions resulting from specific actions or categories of actions
anticipated within the geographic area;
D. Specify measures or a group of measures, including performance standards, that substantial evidence
demonstrates, if implemented on a project-by-project basis, would collectively achieve the specified emissions
level;
E. Establish a mechanism to monitor the plan’s progress toward achieving the level and to require amendment if
the plan is not achieving specified levels; and
F. Be adopted in a public process following environmental review.
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■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 25 of 45 ■
A 2006 baseline GHG emission inventory was prepared for unincorporated Butte County. The inventory identified the
sources and the amount of GHG emissions produced in the county. Within Butte County, the leading contributors of GHG
emissions are agriculture (43%), transportation (29%), and residential energy (17%).
A Climate Action Plan (CAP) was adopted by Butte County on February 25, 2014. The CAP provides a framework for
the County to reduce GHG emissions while simplifying the review process for new development. Measures and actions
identified in the CAP lay the groundwork to achieve the adopted General Plan goals related to climate change, including
reducing GHG emissions to 1990 levels by 2020.
In an effort to implement the measures of the CAP, a development checklist was created to evaluate a new projects
consistency with the CAP, and to identify which GHG emission reduction measures would be implemented with project
approval. Since the project does not require General Plan or Specific Plan amendments, GHG emissions from the project
may be consistent with the CAP by demonstrating consistency with the CAP policies in the CAP checklist, attached as an
appendix to this study. The CAP development checklist identified three reduction measures applicable to the proposed
project. These measures include expansion of renewable energy systems for new residential development by prewiring
future development for photovoltaic systems; reduction of construction equipment idling time; and, installation of electric
vehicle charging outlets in the garage or the exterior of the home (See Attachment A).
Impact Discussion:
a.) Less than significant impact. The proposed project would not generate substantial operational emissions
due to the site being unmanned and generating approximately two vehicle trips per month. The facility will
be powered primarily from electrical power provided by the electrical grid, and would only use the back-up
generator during power outages and testing, resulting in lower emission levels. Construction of the facility
would result in temporary short-term greenhouse gas emissions associated with vehicle trips from
construction works, operation of construction equipment during construction activities. Prominent GHGs of
primary concern during construction include carbon dioxide, methane, and nitrous oxide. Other GHGs such
as hydrofluorocarbons, chlorofluorocarbons, and sulfur hexafluoride are of less concern because construction
activities are not likely to generate substantial quantities of these GHGs. Overall, the amount of operation
and construction emissions generated by the project would not result in a substantial increase of GHG
emissions that would cause a significant impact to the environment.
b.) No Impact. A CAP development checklist (Appendix A) was prepared for the proposed project to evaluate
whether the project would be consistent with the greenhouse gas emission reduction plan for non-residential
structures. The checklist identified Policies EN7 and F2 of the Butte County Climate Action Plan would
apply to the project. Policy EN7 addressed the application of Cal Green measures to non-residential
structures. Policy F2 addressed the use of alternative fuels for construction equipment and limiting idling
times to three minutes during construction activities. With implementation of these measures during the
design review and construction phases, the project would achieve GHG reduction goals.
Mitigation Measure: None Required.
4.8 Hazards and Hazardous Materials:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Create a significant hazard to the public or the
environmental through the routine transport use, or
disposal of hazardous materials?
b. Create a significant hazard to the public or the
environment through reasonably foreseeable upset and
accident conditions involving the release of hazardous
materials into the environment?
c. Emit hazardous emissions or handle hazardous or acutely
hazardous materials, substances, or waste within one-
quarter mile of an existing or proposed schools?
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 26 of 45 ■
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
d. Be located on a site which is included on a list of
hazardous materials sites complied pursuant to
Government Code Section 65962.5 and, as a result,
would it create a significant hazard to the public or the
environment?
e. For a project located within an airport land use plan or,
where such a plan has not been adopted, within two
miles of a public airport or public use airport, would the
project result in a safety hazard for people residing or
working in the project area?
f. For a project within the vicinity of a private airstrip,
would the project result in a safety hazard for people
residing or working in the project area?
g. Impair implementation of or physically interfere with an
adopted emergency response plan or emergency
evacuation plan?
h. Expose people or structures to a significant risk or loss,
injury or death involving wildland fires, including
where wildlands are adjacent to urbanized areas or
where residences are intermixed with wildlands?
Settings
Wildland Fire Conditions
The combination of highly flammable fuel, long dry summers and steep slopes creates a natural hazard of wildland fires
in many areas of Butte County. Wildland fires can result in death, injury, economic losses, and a large public investment
in firefighting efforts. Woodland and other natural vegetation can also be destroyed during wildfires, resulting in the loss
of timber, wildlife habitat, scenic quality, and recreation. Areas in the county that are particularly susceptible to wildland
fires largely contain dense vegetation and steep slopes, which aide in the spread of fire. These areas have been designated
as Fire Hazard Severity Zones by the State Department of Forestry and Fire Protection (Cal Fire), and generally include
the foothill and mountainous regions of Butte County.
Fire protection services for unincorporated Butte County are generally provided by the Butte County Fire Department
(BCFD) and the California Department of Forestry and Fire Protection (CalFire), with CalFire having fiscal responsibility
for preventing and suppressing wildfires. Due to the heightened risk of wildfires and the increased potential for damage
or loss in certain areas of the county, CalFire has designated these areas as State Responsibility Areas (SRA). Development
within SRAs must comply with special building requirements, and are also regulated by Public Resources Code 4290 and
4291, which establish requirements for maintenance of defensible space and vegetation management.
According to the Health and Safety Element of the Butte County General Plan, the project site is located in a Fire Hazard
Severity Zone due to the project site consisting of sloped terrain and a forested landscape. The project site is also located
in the SRA area.
Impact Discussion:
a.) Less than significant impact. The project is proposed to utilize a standby diesel generator for back-up power,
and would include approximately 130 gallons of diesel fuel storage. The storage of diesel fuel is required
only for emergency purposes during a power outages and will not be routinely used or transported. Storage
and handling of diesel fuel, or any other chemicals or hazardous materials, would be subject to a Hazardous
Materials Business Plan, administered by the Butte County Public Health Department at the time of
development of the project. The plan would include an inventory of hazardous materials and chemicals
handled or stored on the site, an emergency response plan, and a training program in safety procedures.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 27 of 45 ■
Construction activities associated with the development of the proposed project would involve the use of
potentially hazardous materials, including vehicle fuels, oils, and transmission fluids. However, all
potentially hazardous materials would be contained, stored, and used in accordance with manufacturers’
instructions and handled in compliance with applicable standards and regulations. In the event of an
accidental release, construction personal who are experienced in containing accidental releases of hazardous
materials will likely be present to contain and treat affected areas in the event a spill occurs. If a larger spill
were to occur, construction personal would generally be on-hand to contact the appropriate agencies.
Hazardous materials used during construction would ultimately disposed of by a licensed hazardous waste
transporter at an authorized and licensed disposal facility or recycling facility.
Radiofrequency (RF) Emissions
Radiofrequency (RF) radiation emanates from antenna on cellular towers and is generated by the movement
of electrical charges in the antenna. The energy levels it generates are not great enough to ionize, or break
down, atoms and molecules, so it is known as “non-ionizing” radiation.
The Federal Communications Commission (FCC) is the government agency responsible for the authorization
and licensing of facilities such as cellular towers that generate RF radiation. For guidance in health and
safety issues related to RF radiation, the FCC relies on other agencies and organizations for guidance,
including the EPA, FDA, the National Institute for Occupational Safety and Health (NIOSH) and OSHA,
which have all been involved in monitoring and investigating issues related to RF exposure. The FCC has
developed and adopted guidelines for human exposure to RF radiation using the recommendations of the
National Council on Radiation Protection and Measurements (NCRP) and the Institute of Electrical and
Electronics Engineers (IEEE), with the support of the EPA, FDA, OSHA and NIOSH. According to the
FCC, both the NCRP exposure criteria and the IEEE standard were developed by expert scientists and
engineers after extensive reviews of the scientific literature related to RF biological effects. The exposure
guidelines are based on thresholds for known adverse effects, and they incorporate wide safety margins. In
addition, under the National Environmental Policy Act (NEPA) the FCC is required to evaluate transmitters
and facilities for significant impacts on the environment, including human exposure to RF radiation. When
an application is submitted to the FCC for construction or modification of a transmitting facility or renewal
of a license, the FCC evaluates it for compliance with the RF exposure guidelines, which were previously
evaluated under NEPA. Failure to show compliance with the FCC’s RF exposure guidelines in the
application process could lead to the additional environmental review and eventual rejection of an
application. The proposed telecommunication facility is subject to the FCC exposure guidelines, and must
fall under the FCC’s American National Standards Institute (ANSI) public limit standard of .58 mW/cm2.
Finally, it should be noted that Section 704 of the Telecommunication Act of 1996 states that “No State or
local government or instrumentality thereof may regulate the placement, construction, and modification of
personal wireless service facilities on the basis of the environmental effects of radio frequency emissions to
the extent that such facilities comply with the Commission’s regulations concerning such emissions.”
Because the proposed facility would operate under federally mandated limits on RF radiation for cellular
towers and is regulated by the FCC in this respect, the County may not regulate the placement or construction
of this facility based on the RF emissions.
Additional standards in regards to RF emissions are established in Butte County Code. Under Section 24-
181 (R), the owner or operator of the facility shall annually submit written verification that the radio
frequency radiation/electromagnetic frequency (RF/EMF) emitted by a facility conforms to safety standards
in FCC OET 65, and that these reports demonstrate that the facility conform to the reporting requirements
set by the FCC. Under Section 24-186 (A), the owner or operator is required to post a performance security
that is sufficient to cover the cost of a one-time test by a radio frequency consultant selected by the County
to determine whether the facility RF/EMF emissions comply with FCC standards. Should the facility’s
emissions exceed FCC standards, the applicant would be responsible for the cost of additional tests and
corrective measures to establish compliance with FCC standards. These County development standards
would be reflected as conditions of approval in the use permit.
At the time of development of the proposed project, the applicant will provide a Hazardous Materials and
Emissions Questionnaire to the County if the siting of any chemicals and/or hazardous materials at the project
site will occur. If materials exceed applicable thresholds outlined in the Hazardous Materials Release
Response Plans and Inventory Law of 1985 (The Business Plan Act), a Hazardous Materials Business Plan
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 28 of 45 ■
would need to be obtained. The plan, when implemented, would address potential impacts associated with
the accidental spill or release of chemicals and/or hazardous materials used during operations.
b.) Less than significant impact. See discussion 4.8(a), above.
c.) Less than significant impact. Forest Ranch Charter School is located within approximately one-quarter mile
of the project site. As discussed above, the proposed project may require the use of potentially hazardous
materials during construction and operation of the telecommunication facility, including the storage of diesel
fuel. Standard construction practices and implementation of the Business Plan Act, would minimize the
potential for accidental release of hazardous materials within proximately to or on the school site to a less
than significant level.
d.) No impact. A review of regulatory agency databases, which included lists of hazardous materials sites
compiled pursuant to California Government Code Section 65962.5, did not identify contamination site as
being located within, or in the vicinity of, the project site.
e.) No impact. No public use airports have been identified to be located within the vicinity of the project site. The
proposed project is located outside the compatibility zones for the area airports, and therefore, would not result
in a safety hazard to people working and residing on the project site.
f.) No impact. No known private airstrips have been identified within two miles of the project site. As a result,
no safety hazards associated with airport operations are anticipated to affect people working or residing
within the project site.
g.) No impact. The proposed project is an unmanned facility, so no evacuation and/or emergency response plans
are necessary. The proposed project does not include any actions that physically interfere with any
emergency response or emergency evacuation plans. Development of the proposed project would add a small
amount of trips onto the area roadways; however, area roadways and intersections would continue to operate
at an acceptable level of service. In the event future construction activities require work to be performed in
the roadway or highway, appropriate traffic control plans would be prepared in conjunction with a Butte
County Encroachment Permit or Department of Transportation Encroachment Permit.
h.) Less than significant impact. The project site is located in a High Fire Hazard Severity Zone and a State
Responsibility Area. As a result, development of the proposed project would be subject to California Public
Resources Code (PRC) 4290, 4291 standards. These standards require annual vegetative clearance around
existing and proposed structures, as well as application of Fire Safe Regulations which include increased
development standards for access roads and buildings. Application of PRC 4290 and 4291 standards at the
time of development, would ensure that structures would not be exposed to a significant wildland fire risk.
Mitigation Measure: None required.
4.9 Hydrology and Water Quality:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Violate any water quality standards or waste discharge
requirements?
b. Substantially deplete groundwater supplies or interfere
substantially with groundwater recharge such that there
would be a net deficit in aquifer volume or a lowering of
the local groundwater table level (e.g., the production
rate of preexisting nearby wells would drop to a level
which would not support existing land uses or planned
uses for which permits have been granted)?
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 29 of 45 ■
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
c. Substantially alter the existing drainage pattern of the
site or area, including through the alteration of the course
of a stream or river, in a manner which would result in
substantial erosion or siltation on- or off-site?
d. Substantially alter the existing drainage pattern of the
site or area, including through the alteration of the course
of a stream or river, or substantially increase the rate or
amount of surface runoff in a manner which would result
in flooding on- or off-site?
e. Create or contribute runoff water which would exceed
the capacity of existing or planned storm water drainage
systems or provide substantial additional sources of
polluted runoff?
f. Otherwise substantially degrade water quality?
g. Place housing within a 100-year flood hazard area as
mapped by Federal Flood Hazard Boundary, Flood
Insurance Rate Map, or other flood hazard delineation
map?
h. Place within a 100-year flood hazard area structures
which would impede or redirect flood flows?
i. Expose people or structures to a significant risk or loss,
injury, or death involving flooding, including flooding as
a result of the failure of a levee or dam?
j. Inundation by seiche, tsunami, or mudflow?
Setting:
Flooding
Flooding events can result in damage to structures, injury or loss of human and animal life, exposure of waterborne
diseases, and damage to infrastructure. In addition, standing floodwater can destroy agricultural crops, undermine
infrastructure and structural foundations, and contaminate groundwater. The Federal Emergency Management Agency
(FEMA) is responsible for mapping areas subject to flooding during a 100-year flood event (i.e., 1 percent chance of
occurring in a given year). According to floodplain mapping of the project area, the project site is located within the X
zone. The X zone is defined by FEMA as areas of minimal flood hazard from the principal source of flood in the area and
determined to be outside of the 0.2 percent annual chance floodplain.
Inundation Zone
Dam failure is generally a result of structural instability caused by improper design or construction, instability resulting
from seismic shaking, or overtopping and erosion of the dam. Larger dams that are higher than 25 feet or with storage
capacities over 50 acre-feet of water are regulated by the California Dam Safety Act, which is implemented by the
California Department of Water Resources, Division of Safety of Dams (DSD).
The project site is not identified as being located in the inundation zone for any dams regulated by the California Dam
Safety Act.
Impact Discussion:
a.) Less than significant impact. No seasonal drainages or other waterways are located within the project site,
and the physical characteristics of the soil indicate a moderate potential for erosion. Further, the project
would result in a minimal amount of soil disturbance and impervious surfaces due to the small footprint of
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 30 of 45 ■
the facility. Though the footprint of the project is small, potential water pollutants (e.g. sediment, petroleum
based fuels, lubricants) may still be generated during construction activities from the disturbance of the
development area (i.e. disturbing soil at work area, the staging area, access road, etc.). Excess sediment or
other pollutants could potentially enter surface drainage pathways and degrade the aquatic habitat to any
nearby surface water channels.
During construction-related activities, specific erosion control and surface water protection methods for each
construction activity would be implemented on the project site. The type and number of measures
implemented would be based upon location-specific attributes (i.e., slope, soil type, weather conditions).
These control and protection measures, or Best Management Practices (BMPs), are standard in the
construction industry and are commonly used to minimize soil erosion and water quality degradation.
Additionally, future construction activities may be subject to the National Pollutant Discharge Elimination
System (NPDES) General Construction Activities Storm Water permit program if one acre or more of land
is disturbed. This program requires implementation of erosion control measures during and immediately
after construction that are designed to avoid significant erosion during the construction period. In addition,
the project operation would be subject to State Water Resources Control Board requirements for the
preparation and implementation of a Storm Water Pollution Prevention Plan (SWPPP) to control pollution in
stormwater runoff from the project site, including excessive erosion and sedimentation. The SWPPP, if
required, must be obtained prior to any soil disturbance activities. Implementation of standard erosion control
BMP’s during future construction-related activities, together with adherence to State requirements regarding
grading activities, would ensure that potential erosion impacts are less than significant.
b.) No impact. The proposed project is unmanned and does not require water. Further, the proposed project
would result in a minimal net increase in impervious surfaces on the project site from the construction of
concrete foundations and any access road surfacing. Thus, the proposed project would not cause a
measureable reduction in surface infiltration or a decrease in deep percolation to the underlying aquifers.
c.) Less than significant impact. Ground disturbance associated with the build-out of the project would not
alter existing drainage pathways, expose a large area of surface soils to become more susceptible to erosive
forces (i.e., overland flow), or generate enough increased runoff through removal/clearing of existing
vegetation to cause a significant increase surface erosion. As discussed in section a.), above, implementation
of erosion control measures or BMPs during construction activities would minimize the potential for soil
erosion and water quality degradation.
d.) Less than significant impact. Construction activities associated with build-out of the project would not alter
drainage patterns such that they would cause on- or off-site flooding. Some vegetation removal and soil
disturbance would occur during clearing of the site and access road, resulting in the potential for increased
stormwater runoff. However, implementation of BMPs would minimize the potential for surface runoff and
reduce any potential for flooding.
The minor increase in impervious surface area from project build-out is not anticipated to be enough to alter
existing drainage patterns or cause offsite flooding. While some increase in stormwater runoff may be
expected due to the reduced absorption rate created from new impervious surfaces (structures, driveways,
and hardscape), the development footprint of the project is minimal to the overall size of the subject property,
and no net increase in stormwater runoff would leave the project site.
e.) Less than significant impact. The proposed project is likely to generate a minor increase in runoff from the
development of the project. The anticipated minor increase in runoff would be retained on-site, and likely
be negligible in terms of the capacity of any existing stormwater drainage systems.
f.) No impact. The proposed project would not result in potential surface water pollution beyond the issues
discussed in section a.), above. Therefore, the proposed project would not otherwise degrade water quality
beyond the issues previously addressed.
g.) No impact. The project site is located in the X zone. As a result, development would be located outside the
100-year flood zone.
h.) No impact. See discussion 4.19(g) – Hydrology and Water Quality.
i.) No impact. The project site is neither located in a flood hazard zone or a dam inundation zone.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 31 of 45 ■
j.) No impact. Although located within a seismically-active region, the project site is not located in an area that
would be impacted by a seiche, tsunami, or mudflows.
Mitigation Measure: None required.
4.10 Land Use:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Physically divide an established community?
b. Conflict with an applicable land use plan, policy, or
regulations of an agency with jurisdiction over the
project (including, but not limited to, the general
plan, specific plan, local coastal program, or zoning
ordinance) adopted for the purpose of avoiding or
mitigating an environmental effect?
c. Conflict with any applicable habitat conservation
plan or natural community conservation plan?
Setting:
The land use element of the Butte County General Plan designates the project site as Foothill Residential. The zoning
for the project site is Foothill Residential - 5 (FR-5). The Foothill Residential zone allows for the appropriate
development of large-lot single-family homes, small farmsteads, and related uses in the foothill areas of the county.
Standards for the FR zone are intended to ensure that the development of homes respond sensitively to the foothill setting.
Permitted residential uses in the FR zones include a single-family home, small residential care home, and a second unit.
The FR zone also conditionally permits non-residential uses compatible with a low-density rural setting, including public
and quasi-public uses, mining, animal services, hunting and fishing clubs, nurseries, and commercial stables. Animal
grazing, crop cultivation, private stables, on-site agricultural product sales, and other similar agricultural activities are
permitted uses in the FR zone. The minimum permitted parcel size for this zone is 5 acres.
Impact Discussion:
a.) No impact. The subject property is currently developed with a church and accessory structures and uses,
including a detached shed, playground area, and parking area that are permitted under an approved
Conditional Use Permit. The proposed project is situated approximately 150 feet from the existing structures,
and would use a separate driveway off Wagon Road. Because the project is located on an undeveloped
portion of the subject property, and would not result in the removal of, or interference with, existing
structures, the proposed project will not physically divide an established community.
b.) No impact. The project is deemed consistent if the proposed uses are consistent with the applicable General
Plan designation and text, the applicable General Plan is legally adequate and internally consistent, and the
anticipated types of services to be provided are appropriate to the land use designated for the area. The
proposed project does not include an amendment to the existing land use designation, or a change to the
existing land uses occurring on the project site. The proposed project is a request for a Conditional Use
Permit that would provide improved cellular phone serve to the surrounding area. Standards for the
establishment of wireless telecommunication facilities are contained in Article 26 of the Butte County Zoning
Code.
Section 24-181 (General Requirements):
A. Setbacks.
1. Except when specifically allowed, all new telecommunication facilities shall be located on a parcel
so that the distance from the base of facility to the parcel boundary is equal to or greater than the
height of the facility.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 32 of 45 ■
The height of the monopine from grade to the top branches is 125 feet, and a 113 feet to the top of
the steel pole and panel antennas. The monopine is setback 125 feet to the eastern property line
and 129 feet to the western property line, which meet the 1 to 1 requirement.
B. Height.
1. The maximum height for telecommunication facilities in all zones shall be 100 feet, except in
Commercial and Industrial zones where it shall be 150 feet. The review authority may approve
additional height based on justifiable need. The height of a telecommunication facility shall be
measure from the natural undisturbed ground surface below the center of the base of the monopole
or tower to the top of the monopole or tower itself or, if higher, the tip of the highest antenna or
piece of equipment attached thereto.
The project site is situated in a residential zone, and the height of the monopine from grade to the
top branches is 125 feet, and 113 feet to the top of the steel pole and panel antennas. The increase
height from the 100 feet maximum height is required by the applicant to meet coverage area needs
and line of site with other telecommunication towers supporting the carrier.
Section 24-182 (Standards for Zones):
B. Residential Zones.
1. All lighting on a facility, including identification or warning lights required by the FAA or other
public agency, shall be oriented not to directly illuminate any area on the ground within a radius of
500 feet of the tower or monopole horizontally beyond the facility site, providing that such
orientation/shielding complies with FAA or other federal or state agency requirements.
Only lighting proposed includes security lighting at the entrance to the equipment shelter. The
lighting will be down-tilted and hooded, illuminating the area directly adjacent to the entrance.
2. All facilities shall be aesthetically and architecturally compatible with the surrounding environment.
Residentially compatible materials and veneers such as wood, brick, or stucco shall be used for
associated support buildings, which shall be designed to architecturally match the exterior of
residential structures in the area.
The facility includes a monopine tower and support structures with a stucco exterior finish, which
are aesthetically compatible materials that match the surrounding area.
Section 24-183 (Standards for Types of Facilities):
C. Monopoles or Towers.
1. New monopoles or towers proposed in or within 1,000 feet of agriculture and residential zones
require written notice, in a manner approved by the Zoning Administrator, to be given to owners of
parcels located within a minimum radius of 1,000 feet of the parcel on which the proposed monopole
or tower will be located.
Property owners within 1,000 feet were notified of the project and of the public hearing for the
project.
2. Monopoles or towers in agricultural or residential zones shall not exceed 30 feet in height except
when:
a. No feasible alternative site exists;
b. A denial would be constitute a prohibition on the provision of the affected wireless
communication service in violation of federal or State law.
The search ring prepared by the applicant indicates proposed coverage objective is to both fill in a
gap in coverage in Butte County and the Forest Ranch community. The increase in wireless signal
strength will benefit residents in the area, local businesses and public safety systems. The facility
is not able to provide wireless communications services and meet coverage standards in the area
without exceeding the 30 foot height limit.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 33 of 45 ■
c.) No impact. The Butte Regional Conservation Plan (BRCP) is a joint Habitat Conservation Plan
(HCP)/National Community Conservation Plan (NCCP) that is currently being prepared for the western half
of the Butte County, and is scheduled to be completed in 2015. The project site is located outside the
proposed plan area of the BRCP, and would not be subject to the plan requirements.
Mitigation Measure: None required.
4.11 Mineral Resources:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Result in the loss of availability of a known mineral
resource that would be of value to the region and the
residents of the state?
b. Result in the loss of availability of a locally-important
mineral resource recovery site delineated on a local
general plan, specific plan, or other land use plan?
Impact Discussion:
a.) Less than significant impact. There are no known economically viable sources of rock materials in the
immediate vicinity of the project site. No mining operations have occurred on the project site or surrounding
area and the project would not preclude future extraction of available mineral resources. Mineral resource
extraction is not proposed with this project. However, development of the proposed project would use mineral
resources in the construction of structures and access roads. The amount of resources used for the anticipated
development is minor and would not result in the loss of its availability.
b.) No impact. The project site is not located in an area currently used for, or known to have, locally-important
mineral resources.
Mitigation Measure: None required.
4.12 Noise:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Exposure of persons to or generation of noise levels in
excess of standards established in the local general plan
or noise ordinance, or applicable standards of other
agencies?
b. Exposure of persons to or generation of excessive
ground borne vibration or ground borne noise levels?
c. A substantial permanent increase in ambient noise
levels in the project vicinity above levels existing
without the project?
d. A substantial temporary or periodic increase in
ambient noise levels in the project vicinity above
levels existing without the project?
e. For a project located within an airport land use plan
or, where such a plan has not been adopted, within
two miles of a public airport or public use airport,
would the project expose people residing or working
in the project area to excessive noise levels?
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 34 of 45 ■
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
f. For a project within the vicinity of a private airstrip,
would the project expose people residing or working
in the project area to excessive noise levels?
Setting:
The most common and primary sources of noise in the project area are from vehicular traffic along State Highway 32,
which is located approximately 90 feet away. The surrounding area consists of residential homes, Forest Ranch
Charter School, and the Forest Ranch Baptist Church. The church is the closest use to the project site, located
approximately 100 feet away. The closest residence is located approximately 160 feet to the northeast.
Table HS-2 of the Butte County General Plan identifies the maximum allowable noise exposure to a variety of land
uses from transportation sources, including from roadways, rail and airports. Table HS-3 identifies the maximum
allowable noise exposure from non-transportation sources. In the case of transportation noise sources, exterior noise
level standards for residential outdoor activity areas are 60 dB (Ldn/CNEL). However, where it is not possible to
reduce noise in an outdoor activity area to 60 dB Ldn /CNEL or less using a practical application of the best-available
noise-reduction measures, an exterior noise level of up to 65 dB may be allowed, provided that available exterior
noise-level reduction measures have been implemented and interior noise levels are in compliance with applicable
standards. The maximum allowable interior noise level standards for residential uses is 45 dB Ldn/CNEL, which is
designed for sleep and speech protection. The typical structural attenuation of a residence from an exterior noise is
15 dBA when windows facing the noise source is open. When windows in good condition are closed, the noise
attenuation factor is around 20 dBA for an older structure and 25 dBA for a newer dwelling.
The Butte County Noise Control Ordinance provides the County with a means of assessing complaints of alleged
noise violations and to address noise level violations from stationary sources. The ordinance includes a list of activities
that are exempt from the provisions of the ordinance. Among these exemptions are any mechanical device, apparatus
or equipment related to or connected with emergency activities or emergency work, and construction-related noise
within 1,000 feet of residential uses, provided construction activities do not take place:
From sunset to sunrise on weekends and non-holidays;
Fridays commencing at 6:00 pm through and including 8:00 am on Saturday;
Before 8:00 am on holidays;
Saturday commencing at 6:00 pm through and including 10:00 am on Sunday; and
Sunday after 6:00 pm.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 35 of 45 ■
Impact Discussion:
a.) Less than significant impact with mitigation incorporated. The project includes a 50 kW standby diesel
generator and external HVAC units for the pre-fabricated equipment shelter. The HVAC units are anticipated
to be operated for brief periods of time throughout the day and night. Noise exposure from the HVAC units is
expected to be approximately 67 dB (Leq) at a distance of 10 feet from the equipment. The generator is proposed
to be used during power outages, and during the daytime for a fifteen minute period per week for maintenance
purposes. Assuming that the standard enclosure for the generator is used, noise exposure from the generator is
expected to be approximately 77 dB (Leq) at a distance of 23 feet from the equipment.
The project facility maintains a separation of 160 feet from the nearest noise-sensitive building structure.
However, according to the project site plan, the nearest residential property line is 100 feet from the project
facility. Footnote 4 of Table HS-3 (Maximum Allowable Noise Exposure to Non-Transportation Sources)
requires that the County’s exterior noise level standards be applied at a point 100 feet away from the residence
or at the property line if the residence is closer than 100 feet. In this case, the residence is located 60 feet from
the property line, resulting in noise standards being applied at the property line of the receiving residential land
use.
Assuming standard spherical spreading loss (-6 dB per doubling of distance), project equipment noise exposure
at the property line for the residential property would be 47 dBA (Leq) for the HVAC units and 64 dBA (Lmax).
Because the HVAC units could potentially be in operation during nighttime hours for the duration of an hour,
the operation of the HVAC units would be subject to the County’s nighttime noise level standard of 40 dB Leq.
As a result, the HVAC units would exceed the County’s nighttime noise level standard. Because the generator
would only operate during daytime hours for brief periods of time (generator is exempt from County’s noise
standards per Section 41A-9(e)), the operation of the generator would be subject to the County’s daytime noise
level standard of 60 dB Lmax. As a result, the generator would exceed the County’s daytime noise level standard.
The proposed HVAC units are predicted to exceed the County’s nighttime noise standards at the nearest
residential property line by 7 dB. The proposed generator is predicted to exceed the County’s daytime noise
standards at the nearest residential property line by 4 dB. To mitigate these identified exceedances and bring
the proposed project into compliance with the County’s noise standards, the mitigation measure identified
below is recommended.
Noise levels contributed by the proposed project would include construction noise during build-out of the
project. Construction noises associated with development would primarily be from the use of heavy equipment,
generators, and power tools. Construction-related noise from on-site development would be temporary and
intermittent, and would not result in long-term noise impacts. Compliance with Butte County Code provisions
regarding construction noise would ensure construction activities occur during hours exempt from County noise
standards.
b.) Less than significant impact. The use of blasting and/or pile drivers during construction activities would not
be included as part of the proposed project. The proposed project would involve temporary sources of
groundborne vibration and groundborne noise during construction from the operation of heavy equipment.
Operation of heavy equipment would generate localized groundborne vibration and groundborne noise that
could be perceptible at residences or other sensitive uses in the immediate vicinity of the construction site.
However, since the duration of impact would be infrequent and would occur during less sensitive daytime hours
(i.e., between 7:00 a.m. and 7:00 p.m.), the impact from construction-related groundborne vibration and
groundborne noise would be less than significant.
c.) Less than significant impact with mitigation incorporated. The primary contributors to the existing noise
environment surrounding the project site include motor vehicle traffic along area roadways. Permanent noise
sources that would be introduced to the existing noise environment by the proposed project would come from
the HVAC units and back-up generator. As identified in Section 4.12(a), these introduced noises would exceed
the County’s noise level standards, causing a permanent increase in the ambient noise conditions. To address
the impacts of these introduced noise sources, Mitigation Measures #3 is recommended. With the
implementation of the mitigation measure, potential impacts would be less than significant.
d.) Less than significant impact. The only temporary or periodic noise sources that would be introduced to the
existing noise environment by the proposed project would be noises associated with construction activities.
Construction activities would require a variety of equipment. During the construction period, noise levels
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 36 of 45 ■
generated by project construction would vary depending on the particular type, number, and duration of use of
the various types of construction equipment. Though noises generated by heavy equipment would periodically
generate noise levels in excess of exterior noise standards identified in the General Plan, given the minimal
development anticipated, the infrequent use of heavy equipment during construction, and that construction
activities would occur during less sensitive daytime hours, temporary noise impacts are not considered
significant.
e.) No impact. No known public airport is located within the vicinity of the project site. As a result, no noise
impacts associated with the airport operations are anticipated to affect people working within the project site.
f.) No impact. No known private airstrips have been identified within the vicinity of the project site. As a result,
no noise impacts associated with the airport operations are anticipated to affect people working within the
project site.
Mitigation Measure #3 – (Noise Reduction)
The project applicant shall perform the following measures at the time of development: (1) Installation of the proposed
project generator, Generac Industrial Power Systems Model SD030, shall occur with the optional Level 2 Acoustic
Enclosure that results in the referenced noise level of 68 dB at 23 feet; (2a) Construct an 8-foot tall solid noise barrier,
that consist of either masonry or precast concrete panels, on the three sides of the facility directed towards the
residential property located east of the project site, or (2b) Increase the proposed chain link fence height from 6 to 8
feet and line the facility with an acoustical curtain (vinyl) product with a minimum STC (Sound Transmission Class)
rating of 28 on the three sides of the facility directed towards the residential property located east of the project site.
Plan Requirements: Installation of the generator shall include the optional Level 2 Acoustic Enclosure. The outer
perimeter of the facility shall be constructed with an 8-foot tall solid noise barrier, or increase the height of the chain-
link fence and install an acoustical curtain product with a minimum STC rating of 28.
Timing: The selected sound barrier measure shall be shown on buildings plans submitted to the Butte County
Development Services Department, and constructed prior to finaling of building permit. Prior to issuance of a Building
Permit for the installation of the proposed generator, building plans shall include a Level 2 Acoustic Enclosure.
Monitoring: The Butte County Department of Development Services shall review building plans for the facility and
generator to ensure mitigation requirements have been met. Building inspectors shall spot check and shall ensure
compliance on-site.
4.13 Population and Housing:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Induce substantial population growth in an area, either
directly (for example, by proposing new homes and
businesses) or indirectly (for example, through
extension of roads or other infrastructure)?
b. Displace substantial numbers of existing housing,
necessitating the construction of replacement housing
elsewhere?
c. Displace substantial numbers of people, necessitating
the construction of replacement housing elsewhere?
Impact Discussion:
a.) No impact. The proposed project would not result in growth in available housing or the local population.
Construction activities associated with development would not result in any direct or indirect growth-
inducing impacts to the county because construction activities would be temporary, and construction workers
would likely be drawn from the local and regional work force.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 37 of 45 ■
b.) No impact. The project site is located on a vacant portion of the subject property, which is developed with a
church facility. No housing units are located on the subject property. Therefore, the project would not result
in the displacement of substantial numbers of people or housing.
c.) No impact. See discussion 4.13(a & b) – Population and Housing. The proposed project would not cause
the displacement of the local population.
Mitigation Measure: None required.
4.14 Public Services:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Would the project result in substantial adverse
physical impacts associated with the provision of
or need for new or physically altered
governmental facilities, the construction of which
could cause significant environmental impacts, in
order to maintain acceptable service ratios,
response times, or other performance objectives
for any of the public services:
1. Fire protection?
2. Police Protection?
3. Schools?
4. Parks?
5. Other public services?
Impact Discussion:
a1-5.) No impact. The proposed project would not cause an increase in demand, or cause an impact to, fire, law
enforcement, school, recreation, or other public services because the proposed project is an unmanned facility
and would not result in an increase to the local population.
Mitigation Measure: None required.
4.15 Recreation:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Increase the use of existing neighborhood and
regional parks or other recreational facilities such
that substantial physical deterioration of the facility
would occur or be accelerated?
b. Include recreational facilities or require the
construction or expansion of recreational facilities
which might have an adverse physical effect on the
environment?
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 38 of 45 ■
Impact Discussion:
a.) No impact. Increase in the demand for recreational facilities is typically associated with substantial increases in
population. As discussed in Section 4.13 - Population and Housing, the proposed project would not generate
growth in the local population, and therefore, would not result in a substantial increase in demand for recreational
facilities or adversely affect Butte County park/population standards.
b.) No impact. The proposed project does not include plans for additional recreational facilities nor would it require
expansion of existing recreational facilities. Therefore, the proposed project would not result in any adverse
physical effects on the environment from construction or expansion of recreational facilities.
Mitigation Measure: None required.
4.16 Transportation/Traffic:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Conflict with an applicable plan, ordinance or policy
establishing measures of effectiveness for the
performance of the circulation system, taking into
account all modes of transportation including mass
transit and non-motorized travel and relevant
components of the circulation system, including but
not limited to intersections, streets, highways and
freeways, pedestrian and bicycle paths, and mass
transit?
b. Conflict with an applicable congestion management
program, including, but not limited to level of
service standards and travel demand measures, or
other standards established by the county congestion
management agency for designated roads or
highways?
c. Result in a change in air traffic patterns, including
either an increase in traffic levels or a change in
location that results in substantial safety risks?
d. Substantially increase hazards due to a design feature
(e.g., sharp curves or dangerous intersections) or
incompatible uses (e.g., farm equipment)?
e. Result in inadequate emergency access?
f. Conflict with adopted policies, plans, or programs
regarding public transit, bicycle, or pedestrian
facilities, or otherwise decrease the performance or
safety of such facilities
Setting:
The project site would be served by a private driveway off Wagon Road (County-Maintained). Wagon Road is
accessed from Schott Road (County-Maintained) and State Highway 32 (State-Maintained).
Impact Discussion:
a) Less than significant impact. The proposed project is not expected to cause a substantial increase in traffic
during operation of the facility because the facility is unmanned. Employees would access the facility
approximately twice a month for routine facility maintenance. Because this amount of traffic is relatively minor
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 39 of 45 ■
to the existing traffic conditions, the increase in traffic levels would not create substantial impacts to operating
conditions of the area road network.
Construction activities associated the development of the project has the potential to generate short-term
changes to traffic volumes on the area road network. Daily vehicle trips would be generated with the arrival
and departure of construction workers. Heavy truck trips would be required for hauling equipment and
materials to and from the construction site. Any future construction activities would be small-scale and
infrequent. As a result, the proposed project would not cause long-term degradation in, or create substantial
impacts to, the operating conditions or level of service on any of the roadways in the project area.
b) Less than significant impact. See discussion 4.16(a) - Transportation/Traffic.
c.) No impact. No public use airports have been identified to be located within the vicinity of the project site. The
proposed project is located outside the compatibility zones for the area airports, and therefore, would not result in a
change in air traffic patterns, including increase air traffic levels or safety hazards.
d.) Less than significant impact. The proposed project would not change the configuration (alignment) of area
roadways, and would not introduce types of vehicles that are not already traveling on area roads. However,
construction of the driveway to the project site may require encroachment improvements to the frontage road.
Future encroachments to a county roadway would be designed in accordance with a Butte County Public Works
Encroachment Permit, ensuring that any potential safety and compatibility issues are addressed.
e.) Less than significant impact. The project site would be accessed via a private driveway off Wagon Road.
Driveways and approach aprons (encroachments) would be designed and constructed to meet all applicable State
and local development standards, ensuring that access is adequate to provide emergency ingress and egress.
f.) Less than significant impact. There are no designated pedestrian or bicycle transportation facilities located
near the project site, nor are such facilities proposed for the project area. Given the lack of existing facilities,
pedestrian and bicycle traffic generally will use the unpaved and paved roadway shoulders, or the paved travel
lanes. Development of the project would not have long-term impacts on alternative transportation facilities due
to having no long-term increase in population in the project area. Construction activities associated with
development may generate short-term disruption to area roadways from an anticipated increase in traffic levels
that may affect alternative transportation uses. However, construction activities associated with the proposed
project would be temporary, and in compliance with a Butte County Encroachment Permit, which would require
traffic control implementation, if needed.
Mitigation Measure: None required.
4.17 Utilities and Service Systems:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Exceed wastewater treatment requirements of the
applicable Regional Water Quality Control Board?
b. Require or result in the construction of new water or
wastewater treatment facilities or expansion of
existing facilities, the construction of which could
cause significant environmental effects?
c. Require or result in the construction of new storm
water drainage facilities or expansion of existing
facilities, the construction of which could cause
significant environmental effects?
d. Have sufficient water supplies available to serve
the project from existing entitlements and
resources, or are new or expanded entitlements
needed?
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 40 of 45 ■
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
e. Result in a determination by the wastewater
treatment provider which serves or may serve the
project that it has adequate capacity to serve the
project’s projected demand in addition to the
provider’s existing commitments?
f. Be served by a landfill with sufficient permitted
capacity to accommodate the project’s solid waste
disposal needs?
g. Comply with federal, state, and local statutes, and
regulations related to solid waste?
Impact Discussion:
a.) No impact. The proposed facility is unmanned and would not generate any wastewater in need of disposal. As
a result, no wastewater treatment requirements by the California Regional Water Quality Control Board
would be applicable.
b.) No impact. See discussion 4.17(a) – Utilities and Service Systems.
c.) No impact. The project site is located outside planned drainage areas, and no existing storm water drainage
facilities are located on the project site. The small footprint of the project would not generate a substantial
increase in storm water runoff causing the construction or expansion of existing storm water drainage
facilities.
d.) No impact. No water is required to serve the proposed facility.
e.) No impact. See discussion 4.17(a) – Utilities and Service Systems.
f.) No impact. Operation of the facility would not generate solid waste that would require disposal at the Neal
Road Recycling and Waste Facility. Construction activities may temporarily generate a minimal amount of
solid waste. Waste would be deposited in the Neal Road Recycling and Waste Facility. The facility has a
maximum permitted throughput of 1,500 tons per day, and an estimated current daily average throughout of
500 tons per day. Therefore, the facility would have adequate capacity to accommodate solid waste generated
by the project.
g.) No impact. See discussion 4.17(f) – Utilities and Service Systems.
Mitigation Measure: None required.
4.18 Mandatory Findings of Significance:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Have the potential to substantially degrade the
quality of the environment, substantially reduce the
habitat of a fish or wildlife species, cause a fish or
wildlife population to drop below self-sustaining
levels, threaten to eliminate a plant or animal
community, reduce the number or restrict the range
of a rare or endangered plant or animal or eliminate
important examples of the major periods of
California history or prehistory?
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 41 of 45 ■
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
b. Have impacts that are individually limited, but
cumulatively considerable? (“Cumulatively
considerable” means that the incremental effects of a
project are considerable when viewed in connection
with the effects of past projects, the effects of other
current projects and the effects of probable future
projects)?
c. Does the project have environmental effects which
will cause substantial adverse effects on human
beings, either directly or indirectly?
Impact Discussion:
a.) Less than significant impact with mitigation incorporated. With the implementation of mitigation measures
included in this Initial Study, the proposed project would not degrade the quality of the environment; result in
an adverse impact on fish, wildlife, or plant species including special status species, or prehistoric or historic
cultural resources. Prehistoric or historic cultural resources would not be adversely affected because no
archeological or historic resources are known to exist in the project area and project implementation includes
following appropriate procedures for avoiding or preserving artifacts or human remains should they be
uncovered during project excavation.
b.) Less than significant impact with mitigation incorporated. This project has the potential to contribute impacts
that are individually limited, but cumulatively considerable with respect to air quality, noise and cultural
resources. Cumulative impacts to these areas would be mitigated due to the inclusion of the Mitigation
Measures listed below, as itemized under Section 5 – Mitigation Measures and Monitoring Requirements.
Past, current, and probable future projects in the vicinity of the project site were reviewed to determine if any
additional cumulative impacts may occur with the approval of this project. A two mile radius was used in
determining cumulative impacts. No additional cumulative impacts were discovered.
c.) Less than significant impact with mitigation incorporated. There have been no impacts discovered through
the review of this application demonstrating that there would be substantial adverse effects on human beings
either directly or indirectly. However, the proposed project has the potential to cause both temporary and future
impacts to the area by project-related impacts relating to air, noise and cultural resources. With implementation
of mitigation measures included in this Initial Study, these impacts would be effectively mitigated to a less than
significant level.
5.0 Mitigation Measures and Monitoring Requirements
Mitigation Measure #1 – (Construction Emissions)
The following best practice measures to reduce impacts to air quality shall be incorporated by the project applicant,
subject property owners, or third-party contractors during construction activities on the project site. These measures
are intended to reduce criteria air pollutants that may originate from the site during the course of land clearing and
other construction operations.
Diesel PM Exhaust from Construction Equipment and Commercial On-Road Vehicles Greater than 10,000 Pounds
All on- and off-road equipment shall not idle for more than five minutes. Signs shall be posted in the designated
queuing areas and/or job sites to remind drivers and operators of the five minute idling limit.
Idling, staging and queuing of diesel equipment within 1,000 feet of sensitive receptors is prohibited.
All construction equipment shall be maintained in proper tune according to the manufacturer’s specifications.
Equipment must be checked by a certified mechanic and determined to be running in proper condition before the
start of work.
Install diesel particulate filters or implement other CARB-verified diesel emission control strategies.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 42 of 45 ■
Shall not operate a diesel-fueled auxiliary power system (APS) to power a heater, air conditioner, or any ancillary
equipment on that vehicle during sleeping or resting in a sleeper berth for greater than 5 minutes at any location
when within 100 feet of a restricted areas.
To the extent feasible, truck trips shall be scheduled during non-peak hours to reduce perk hour emissions.
Operational TAC Emissions
All mobile and stationary Toxic Air Contaminants (TACs) sources shall comply with applicable Airborne Toxic
Control Measures (ATCMs) promulgated by the CARB throughout the life of the project (see
http:www.arb.ca.gov/toxics/atcm/atcm.htm).
Stationary sources shall comply with applicable District rules and regulations.
Fugitive Dust
Construction activities can generate fugitive dust that can be a nuisance to local residents and businesses near a
construction site. Dust complaints could result in a violation of the District’s “Nuisance” and “Fugitive Dust” Rules
200 and 205, respectively. The following is a list of measures that may be required throughout the duration of the
construction activities:
Reduce the amount of the disturbed area where possible.
Use of water trucks or sprinkler systems in sufficient quantities to prevent airborne dust from leaving the site.
An adequate water supply source must be identified. Increased watering frequency would be required whenever
wind speeds exceed 15 mph. Reclaimed (non-potable) water should be used whenever possible.
All dirt stockpile areas should be sprayed daily as needed, covered, or a District approved alternative method
will be used.
Permanent dust control measures identified in the approved project revegetation and landscape plans should be
implemented as soon as possible following completion of any soil disturbing activities.
Exposed ground areas that will be reworked at dates greater than one month after initial grading should be sown
with a fast-germinating non-invasive grass seed and watered until vegetation is established.
All disturbed soil areas not subject to re-vegetation should be stabilized using approved chemical soil binders,
jute netting, or other methods approved in advance by the Butte County Air Quality Management District.
All roadways, driveways, sidewalks, etc. to be paved should be completed as soon as possible. In addition,
building pads should be laid as soon as possible after grading unless seeding or soil binders are used.
Vehicle speed for all construction vehicles shall not exceed 15 mph on any unpaved surface at the construction
site.
All trucks hauling dirt, sand, soil, or other loose materials are to be covered or should maintain at least two feet
of freeboard (minimum vertical distance between top of load and top of trailer) in accordance with local
regulations.
Install wheel washers where vehicles enter and exit unpaved roads onto streets, or wash off trucks and equipment
leaving the site.
Sweep streets at the end of each day if visible soil material is carried onto adjacent paved roads. Water sweepers
with reclaimed water should be used where feasible.
Post a sign in prominent location visible to the public with the telephone numbers of the contractor and the
Butte County Air Quality Management District - (530) 332-9400 for any questions or concerns about dust from
the project.
All fugitive dust mitigation measures required should be shown on grading and building plans. In addition, the
contractor or builder should designate a person or persons to monitor the dust control program and to order increased
watering, as necessary, to prevent transport of dust offsite. Their duties shall include holidays and weekend period
when work may not be in progress. The name and telephone number of such persons shall be provided to the District
prior to land use clearance for map recordation and finished grading of the area.
Please note that violations of District Regulations are enforceable under the provisions of California Health and Safety
Code Section 42400, which provides for civil or criminal penalties of up to $25,000 per violation.
Plan Requirements: Applicable measures shall be adhered to by the applicant, property owners, and third-party
contractors during construction activities. Measures shall be noted on grading and building plans.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 43 of 45 ■
Timing: Requirements of the condition shall be adhered to throughout all grading and construction periods.
Monitoring: Butte County Department of Development Services
Mitigation Measure #2 – (Cultural Resources)
Should grading activities reveal the presence of prehistoric or historic cultural resources (i.e. artifact concentrations,
including arrowheads and other stone tools or chipping debris, cans glass, etc.; structural remains; human skeletal
remains) work within 50 feet of the find shall immediately cease until a qualified professional archaeologist can be
consulted to evaluate the find and implement appropriate mitigation procedures. Should human skeletal remains be
encountered, State law requires immediate notification of the County Coroner ((530) 538-6579). Should the County
Coroner determine that the remains are in an archaeological context, the Native American Heritage Commission in
Sacramento shall be notified immediately, pursuant to State Law, to arrange for Native American participation in
determining the disposition of such remains.
Plan Requirements: Should cultural resources be discovered, the project proponent shall notify the Planning
Division and a professional archaeologist. The Planning Division shall coordinate with the developer and appropriate
authorities to avoid damage to cultural resources and determine appropriate action.
Timing: This measures shall be implemented during construction activities, including land clearing, road
construction, utility installation, and site development.
Monitoring: Butte County Department of Development Services
Mitigation Measure #3 – (Noise Reduction)
The project applicant shall perform the following measures at the time of development: (1) Installation of the proposed
project generator, Generac Industrial Power Systems Model SD030, shall occur with the optional Level 2 Acoustic
Enclosure that results in the referenced noise level of 68 dB at 23 feet; (2a) Construct an 8-foot tall solid noise barrier,
that consist of either masonry or precast concrete panels, on the three sides of the facility directed towards the
residential property located east of the project site, or (2b) Increase the proposed chain link fence height from 6 to 8
feet and line the facility with an acoustical curtain (vinyl) product with a minimum STC (Sound Transmission Class)
rating of 28 on the three sides of the facility directed towards the residential property located east of the project site.
Plan Requirements: Installation of the generator shall include the optional Level 2 Acoustic Enclosure. The outer
perimeter of the facility shall be constructed with an 8-foot tall solid noise barrier, or increase the height of the chain-
link fence and install an acoustical curtain product with a minimum STC rating of 28.
Timing: The selected sound barrier measure shall be shown on buildings plans submitted to the Butte County
Development Services Department, and constructed prior to finaling of the building permit. Prior to issuance of a
Building Permit for the installation of the proposed generator, building plans shall include a Level 2 Acoustic
Enclosure.
Monitoring: The Butte County Department of Development Services shall review building plans for the facility and
generator to ensure mitigation requirements have been met. Building inspectors shall spot check and shall ensure
compliance on-site.
6.0 Environmental Reference Material
1. Bollard Acoustical Consultants, Inc. Environmental Noise Analysis – Forest Ranch Cellular Facility, Butte
County, California. January 2, 2015.
2. Butte County Association of Governments. Butte Regional Conservation Plan, First Administrative Draft.
Accessed December 27, 2013. (available at http://www.buttehcp.com/BRCP-Documents/1st-Admin-Draft-
BRCP/index.html)
3. Butte County. Butte County Airport Land Use Compatibility Plan. Butte County Airport Land Use
Commission. December 20, 2000.
4. Butte County. Butte County Climate Action Plan. February 25, 2014. Available at http://www.buttecap.net/.
Project Name: Verizon Wireless-Forest Ranch Baptist Church Conditional Use Permit, File # UP15-0001
■ Butte County Department of Development Services ■
■ Initial Study – UP15-0001 (Verizon Wireless-Forest Ranch Baptist Church) ■ Page 44 of 45 ■
5. Butte County. Butte County General Plan 2030 Final Environmental Impact Report. April 8, 2010. Available at
http://www.buttegeneralplan.net/products/2010-08-30_FEIR/default.asp.
6. Butte County. Butte County General Plan 2030. October 26, 2010. Available at
http://www.buttegeneralplan.net/products/2010-10-26_GP2030/Butte_County_General_Plan.pdf
7. Butte County. Butte County General Plan 2030 Setting and Trends Report Public Draft. August 2, 2007.
Available at http://www.buttegeneralplan.net/products/SettingandTrends/default.asp.
8. Butte County. Butte County Code of Ordinances, Chapters 19, 20, 24 & 41A. Accessed February 2015.
Available at https://www.municode.com/library/ca/butte_county/codes/code_of_ordinances/
9. Butte County. Butte County Department of Development Services GIS Data. March 2015.
10. Butte County. Butte County Bicycle Plan. June 14, 2011. Available at
http://www.buttecounty.net/publicworks/Services/CountyBikewayMasterPlan.aspx.
11. Butte County Air Quality Management District. CEQA Air Quality Handbook – Guidelines for Assessing Air
Quality and Greenhouse Gas Impacts for Projects Subject to CEQA Review. October 23, 2014.
12. California Department of Conservation. Fault-Rupture Hazard Zones in California. Alquist-Priolo Earthquake
Fault Zoning Act with Index to Earthquake Fault Zone Maps. Special Publication 42. Interim Revision. 2007.
13. California Department of Conservation, Division of Land Resource Protection. A Guide to the Farmland
Mapping and Monitoring Program. 2004.
14. California Department of Toxic Substance Control. 2009. Envirostor Database. Accessed on February 2015.
http://www.envirostor.dtsc.ca.gov/public.
15. CalRecycle. California’s 2013 Per Capita Disposal Rate. Accessed March 2015.
16. Federal Communications Commission Office of Engineering & Technology. Evaluating Compliance with FCC
Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields. OET Bulletin 54, Edition 97-01.
August 1997.
17. U.S. Census Bureau. Annual Estimates of the Resident Population – 2012 Population Estimates for Butte
County, California. March 5, 2013.
18. U.S. Census Bureau. Profile of General Population and Housing Characteristics – 2010. Butte County,
California. March 5, 2013.
APPENDIX A
APPENDIX A
APPENDIX A
Climate Action Plan Implementation and Monitoring Tool
Development Checklist for Telecommunication Facilities
Project Summary
1. What is the size of the project (in acres?)
2. What types of land uses are included in the project? Check all that apply:
Single-family residences Multi-family residences
Retail commercial Office commercial
Industrial Other (please describe)Telecommunication Facility
3. If there is a residential component to the project, how many units are being proposed?
Single-family residences
Multi-family residences
4. Does the project require any amendments to the General Plan or Specific Plans? If so, please describe.
Note: If the project does not require General Plan or Specific Plan amendments, GHG emissions from the
project may be consistent with the CAP by demonstrating consistency with the CAP policies in the checklist on
the following pages. The project may be able to rely on the CAP’s environmental findings for the purposes of
GHG emissions and climate change, rather than identifying separate project-level emissions. The information in
this checklist should be incorporated into the project’s initial study, negative declaration/mitigated negative
declaration, environmental impact report, and/or project conditions of approval.
Should the project require any General Plan or Specific Plan amendments, the project’s impact on the county
may exceed the assumptions in the CAP’s 2020 forecast, potentially triggering additional emissions not
included in the CAP’s GHG forecast. Projects that are inconsistent with the 2020 forecasts may still use the CAP
for identification of measures and standards for mitigations, but it is recommended that the project identify
separate project-level emissions using California Emissions Estimator Model (CalEEMod) or another tool.
3.87 acres
Verizon Wireless -Forest Ranch Baptist Church Telecommunication Facility Conditional Use Permit (UP15-0001).
Proposed Conditional Use Permit to construct a wireless telecommunication facility that includes a 125-foot tall
monopine tower situated within a 40-ft. x 40-ft. (1,600 sq. ft.) lease area.
N/A
N/A
No.
Consistency with CAP Measures
The CAP provides measures that achieve a 15% reduction below 2006 emissions levels by 2020. Projects that
wish to demonstrate consistency with the CAP must demonstrate consistency with all applicable measures
and action items from the CAP. Consistency with all applicable measures should be cited as evidence to
support streamlining from the CAP.
CAP measures that regulate new master-planned developments are provided below. These are minimum
standards that are necessary for CAP consistency. Using the table, identify the project's compliance with
applicable CAP measures. If a project demonstrates consistency with all applicable standards, the project is
APPENDIX B
Standards for CAP Consistency - New Development
Yes Additional notes:
No
N/A
kW
Yes What type of system?
No
N/A
Additional notes:
Yes kWh
No
N/A
%
Additional notes:
Yes
No
N/A
Yes
No
N/A
Yes
No Additional notes:
N/A
Yes
No
N/A Additional notes:
F1: Nonresidential developments: Encourage
public electric vehicle prewiring or conduit.
If yes, how many spaces are
Zero
Remote location, not
feasible.
F1: Residential developments: Infrastructure
support the use of neighborhood electric
vehicles (NEVs). Examples: speed limits no
higher than 35 mph, NEV/bike-only traffic lanes,
and signage alerting drivers to the presence of
NEVs.
If yes, what type of measure
does the project use?
EN9: New nonresidential development:
Encourage prewire for solar PV systems and
maximize roof space to accommodate future
rooftop solar installations.
Is the project prewired for
solar PV systems?
Yes
No
Please explain other
Less than 10,000 sq. ft.
Reduction Measure and Applicable Standard Compliance Notes and Comments
EN8: Multi-family developments: Offset
electricity use by power purchase agreements or
with on-site solar.
How much electricity will be
offset?
What percent of residential
electricity will be offset?
EN8: New discretionary projects: Encourage
prewire for solar PV systems.
Is the project prewired for
solar PV systems?
Yes
No
Additional notes:
PV prewiring not feasible.
EN8: New discretionary developments
consisting of more than 500 residential units:
achieve zero net energy through a combination
of energy efficiency and renewable energy
measures (i.e., on average, the project will
generate more electricity on-site each year than
it will use).
How much renewable
energy will be generated on-
Solar photovoltaic
Solar water heater
Other
Reduction Measure and Applicable Standard Does the Project Comply? Notes and Comments
EN7: Nonresidential buildings: Achieve CALGreen
Tier 1 standards for energy efficiency, water
conservation, and passive design.Compliance at time of
development.
standards that are necessary for CAP consistency. Using the table, identify the project's compliance with
applicable CAP measures. If a project demonstrates consistency with all applicable standards, the project is
eligible to claim consistency with CAP measures and is eligible for CAP streamlining. Additional
measures from the CAP may also be recommended.
APPENDIX B
Yes
No
N/A Additional notes:
Yes
No units
N/A Additional notes:
Reduction Measure and Applicable Standard Applicability Notes
F2: Construction of new development: Use
clean or alternative fuel equipment (e.g.,
electricity, natural gas, hybrid, etc.); or Limit the
maximum idling time for all construction
equipment to three minutes or less.
If yes, what type of measure
Both measures to be
required at time of building
F3: Residential units: Contain electric vehicle
charging outlets on external walls or in garages.
If yes, how many units will
have chargers?
Use of clean or alternative
fuel equipment where
possible and limiting idling
times for construction
equipment to five minutes is
achieved with
implementation of MM#1.
Construction of the facility
will be reviewed for
compliance with CALGreen
Tier 1 (Title 24) standards
during building permit
review.
EN7: Nonresidential buildings: Achieve
CALGreen Tier 1 standards for energy efficiency,
water conservation, and passive design.
Applicable non-residential
CalGreen measures will be
applied at the time of
construction.
F2: Construction of new development: Use
clean or alternative fuel equipment (e.g.,
electricity, natural gas, hybrid, etc.); or Limit the
maximum idling time for all construction
equipment to three minutes or less.
Construction activities will be
monitored by construction
personnel or the property
owner to ensure construction
equipment idling is limited to 3
minutes. If available,
construction equipment with
alternative fuel or clean fuel
would be used during
construction activities.
Additional Recommended CAP Measures
This list includes additional measures and actions identified in the CAP that are not directly applicable to
master-planned developments but may be relevant to a project of this type. These measures should be
included in the project design as feasible.
2729 Prospect Park Drive
Rancho Cordova, CA 95670
APPENDIX B
Verizon Wireless • Proposed Base Station (Site No. 249704 “Forest Ranch”)
4955 Schott Road • Forest Ranch, California
A0DH
Page 1 of 3
Statement of Hammett & Edison, Inc., Consulting Engineers
The firm of Hammett & Edison, Inc., Consulting Engineers, has been retained on behalf of Verizon
Wireless, a personal wireless telecommunications carrier, to evaluate the base station (Site No. 249704
“Forest Ranch”) proposed to be located at 4955 Schott Road in Forest Ranch, California, for
compliance with appropriate guidelines limiting human exposure to radio frequency (“RF”)
electromagnetic fields.
Executive Summary
Verizon proposes to install directional panel antennas on a new tall pole, configured to
resemble a pine tree, to be sited at 4955 Schott Road in Forest Ranch. The proposed
operation will comply with the FCC guidelines limiting public exposure to RF energy.
Prevailing Exposure Standards
The U.S. Congress requires that the Federal Communications Commission (“FCC”) evaluate its
actions for possible significant impact on the environment. A summary of the FCC’s exposure limits
is shown in Figure 1. These limits apply for continuous exposures and are intended to provide a
prudent margin of safety for all persons, regardless of age, gender, size, or health. The most restrictive
FCC limit for exposures of unlimited duration to radio frequency energy for several personal wireless
services are as follows:
Wireless Service Frequency Band Occupational Limit Public Limit
Microwave (Point-to-Point) 5–80 GHz 5.00 mW/cm2 1.00 mW/cm2
WiFi (and unlicensed uses) 2–6 5.00 1.00
BRS (Broadband Radio) 2,600 MHz 5.00 1.00
WCS (Wireless Communication) 2,300 5.00 1.00
AWS (Advanced Wireless) 2,100 5.00 1.00
PCS (Personal Communication) 1,950 5.00 1.00
Cellular 870 2.90 0.58
SMR (Specialized Mobile Radio) 855 2.85 0.57
700 MHz 700 2.40 0.48
[most restrictive frequency range] 30–300 1.00 0.20
General Facility Requirements
Base stations typically consist of two distinct parts: the electronic transceivers (also called “radios” or
“channels”) that are connected to the traditional wired telephone lines, and the passive antennas that
send the wireless signals created by the radios out to be received by individual subscriber units. The
transceivers are often located at ground level and are connected to the antennas by coaxial cables. A
APPENDIX C
Verizon Wireless • Proposed Base Station (Site No. 249704 “Forest Ranch”)
4955 Schott Road • Forest Ranch, California
A0DH
Page 2 of 3
small antenna for reception of GPS signals is also required, mounted with a clear view of the sky.
Because of the short wavelength of the frequencies assigned by the FCC for wireless services, the
antennas require line-of-sight paths for their signals to propagate well and so are installed at some
height above ground. The antennas are designed to concentrate their energy toward the horizon, with
very little energy wasted toward the sky or the ground. This means that it is generally not possible for
exposure conditions to approach the maximum permissible exposure limits without being physically
very near the antennas.
Computer Modeling Method
The FCC provides direction for determining compliance in its Office of Engineering and Technology
Bulletin No. 65, “Evaluating Compliance with FCC-Specified Guidelines for Human Exposure to
Radio Frequency Radiation,” dated August 1997. Figure 2 attached describes the calculation
methodologies, reflecting the facts that a directional antenna’s radiation pattern is not fully formed at
locations very close by (the “near-field” effect) and that at greater distances the power level from an
energy source decreases with the square of the distance from it (the “inverse square law”). The
conservative nature of this method for evaluating exposure conditions has been verified by numerous
field tests.
Site and Facility Description
Based upon information provided by Verizon, including drawings by MST Architects, Inc., dated
March 11, 2015, it is proposed to install eight Andrew Model SBNHH-1D65B directional panel
antennas on a new 113-foot pole, configured to resemble a pine tree, to be installed north of the Forest
Ranch Baptist Church, located at 4955 Schott Road in Forest Ranch. The antennas would be mounted
with up to 2° downtilt at an effective height of about 110 feet above ground and would be oriented in
pairs toward 30°T, 125°T, 220°T, and 305°T. The maximum effective radiated power in any direction
would be 6,010 watts, representing simultaneous operation at 2,420 watts for AWS, 1,970 watts for
cellular, and 1,620 watts for 700 MHz service; no operation on PCS frequencies is presently proposed
from this site. There are reported no other wireless telecommunications base stations at the site or
nearby.
Study Results
For a person anywhere at ground, the maximum RF exposure level due to the proposed Verizon
operation is calculated to be 0.0020 mW/cm2, which is 0.34% of the applicable public exposure limit.
The maximum calculated level at any nearby building* is 0.22% of the public exposure limit. It
* Located at least 120 feet away, based on photographs from Google Maps.
APPENDIX C
Verizon Wireless • Proposed Base Station (Site No. 249704 “Forest Ranch”)
4955 Schott Road • Forest Ranch, California
A0DH
Page 3 of 3
should be noted that these results include several “worst-case” assumptions and therefore are expected
to overstate actual power density levels from the proposed operation.
No Recommended Mitigation Measures
Due to their mounting locations, the Verizon antennas would not be accessible to the general public,
and so no mitigation measures are necessary to comply with the FCC public exposure guidelines. It is
presumed that Verizon will, as an FCC licensee, take adequate steps to ensure that its employees or
contractors receive appropriate training and comply with FCC occupational exposure guidelines
whenever work is required near the antennas themselves.
Conclusion
Based on the information and analysis above, it is the undersigned’s professional opinion that
operation of the base station proposed by Verizon Wireless at 4955 Schott Road in Forest Ranch,
California, will comply with the prevailing standards for limiting public exposure to radio frequency
energy and, therefore, will not for this reason cause a significant impact on the environment. The
highest calculated level in publicly accessible areas is much less than the prevailing standards allow
for exposures of unlimited duration. This finding is consistent with measurements of actual exposure
conditions taken at other operating base stations.
Authorship
The undersigned author of this statement is a qualified Professional Engineer, holding California
Registration No. E-18063, which expires on June 30, 2015. This work has been carried out under his
direction, and all statements are true and correct of his own knowledge except, where noted, when data
has been supplied by others, which data he believes to be correct.
_________________________________
Rajat Mathur, P.E.
707/996-5200
April 3, 2015
APPENDIX C
FCC Radio Frequency Protection Guide
FCC Guidelines
Figure 1
Frequency (MHz)
1000
100
10
1
0.1
0.1110100 103 104 105
Occupational Exposure
Public Exposure
PCS
CellFM
Po
w
e
r
De
n
s
i
t
y
(m
W
/
c
m
2)
The U.S. Congress required (1996 Telecom Act) the Federal Communications Commission (“FCC”)
to adopt a nationwide human exposure standard to ensure that its licensees do not, cumulatively, have
a significant impact on the environment. The FCC adopted the limits from Report No. 86, “Biological
Effects and Exposure Criteria for Radiofrequency Electromagnetic Fields,” published in 1986 by the
Congressionally chartered National Council on Radiation Protection and Measurements (“NCRP”).
Separate limits apply for occupational and public exposure conditions, with the latter limits generally
five times more restrictive. The more recent standard, developed by the Institute of Electrical and
Electronics Engineers and approved as American National Standard ANSI/IEEE C95.1-2006, “Safety
Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to
300 GHz,” includes similar limits. These limits apply for continuous exposures from all sources and
are intended to provide a prudent margin of safety for all persons, regardless of age, gender, size, or
health.
As shown in the table and chart below, separate limits apply for occupational and public exposure
conditions, with the latter limits (in italics and/or dashed) up to five times more restrictive:
Frequency Electromagnetic Fields (f is frequency of emission in MHz)
Applicable
Range
(MHz)
Electric
Field Strength
(V/m)
Magnetic
Field Strength
(A/m)
Equivalent Far-Field
Power Density
(mW/cm2)
0.3 –1.34 614 614 1.63 1.63 100 100
1.34 –3.0 614 823.8/ f 1.63 2.19/ f 100 180/ f2
3.0 –30 1842/ f 823.8/ f 4.89/ f 2.19/ f 900/ f2 180/ f2
30 –300 61.4 27.5 0.163 0.0729 1.0 0.2
300 –1,500 3.54 f 1.59 f f /106 f /238 f/300 f/1500
1,500 –100,000137 61.4 0.364 0.163 5.0 1.0
Higher levels are allowed for short periods of time, such that total exposure levels averaged over six or
thirty minutes, for occupational or public settings, respectively, do not exceed the limits, and higher
levels also are allowed for exposures to small areas, such that the spatially averaged levels do not
exceed the limits. However, neither of these allowances is incorporated in the conservative calculation
formulas in the FCC Office of Engineering and Technology Bulletin No. 65 (August 1997) for
projecting field levels. Hammett & Edison has built those formulas into a proprietary program that
calculates, at each location on an arbitrary rectangular grid, the total expected power density from any
number of individual radio sources. The program allows for the description of buildings and uneven
terrain, if required to obtain more accurate projections.
APPENDIX C
RFR.CALC™ Calculation Methodology
Assessment by Calculation of Compliance with FCC Exposure Guidelines
Methodology
Figure 2
The U.S. Congress required (1996 Telecom Act) the Federal Communications Commission (“FCC”) to
adopt a nationwide human exposure standard to ensure that its licensees do not, cumulatively, have a
significant impact on the environment. The maximum permissible exposure limits adopted by the FCC
(see Figure 1) apply for continuous exposures from all sources and are intended to provide a prudent
margin of safety for all persons, regardless of age, gender, size, or health. Higher levels are allowed for
short periods of time, such that total exposure levels averaged over six or thirty minutes, for
occupational or public settings, respectively, do not exceed the limits.
Near Field.
Prediction methods have been developed for the near field zone of panel (directional) and whip
(omnidirectional) antennas, typical at wireless telecommunications base stations, as well as dish
(aperture) antennas, typically used for microwave links. The antenna patterns are not fully formed in
the near field at these antennas, and the FCC Office of Engineering and Technology Bulletin No. 65
(August 1997) gives suitable formulas for calculating power density within such zones.
For a panel or whip antenna, power density S = 180
BW
0.1 Pnet
D2 h , in mW/cm2,
and for an aperture antenna, maximum power density Smax = 0.1 16 Pnet
h2 , in mW/cm2,
where BW = half-power beamwidth of the antenna, in degrees, and
Pnet = net power input to the antenna, in watts,
D= distance from antenna, in meters,
h= aperture height of the antenna, in meters, and
= aperture efficiency (unitless, typically 0.5-0.8).
The factor of 0.1 in the numerators converts to the desired units of power density.
Far Field.
OET-65 gives this formula for calculating power density in the far field of an individual RF source:
power density S = 2.56 1.64 100 RFF2 ERP
4 D2 , in mW/cm2,
where ERP= total ERP (all polarizations), in kilowatts,
RFF= relative field factor at the direction to the actual point of calculation, and
D= distance from the center of radiation to the point of calculation, in meters.
The factor of 2.56 accounts for the increase in power density due to ground reflection, assuming a
reflection coefficient of 1.6 (1.6 x 1.6 = 2.56). The factor of 1.64 is the gain of a half-wave dipole
relative to an isotropic radiator. The factor of 100 in the numerator converts to the desired units of
power density. This formula has been built into a proprietary program that calculates, at each location
on an arbitrary rectangular grid, the total expected power density from any number of individual
radiation sources. The program also allows for the description of uneven terrain in the vicinity, to
obtain more accurate projections.
APPENDIX C
APPENDIX D
APPENDIX D
APPENDIX D
APPENDIX D
APPENDIX D
APPENDIX D
APPENDIX D
APPENDIX D
APPENDIX D
APPENDIX D
APPENDIX D