HomeMy WebLinkAbout047-130-156VINCI & ASSOCIATES
c51rucfurai Engineers
September 17, 2014
Alternative Energy Systems Inc.
P.O. Box 9231
Chico, CA 95927
Subject: Review of minimum footing requirements
Project: (308) Module Photovoltaic Groundmount Installation (3 Arrays)
Burch Creek Farms - Hennigan.
14471 Highway 99, Chico, CA 95973
V&A Project No. 12-3457
The purpose of this report is to provide a site specific analysis of the minimum footing
requirements for the photovoltaic array groundtrac installation at 14471 Highway 99
in Chico, CA 95973.
Based upon our review of the 3 Photovoltaic Arrays, installed 4 modules high and 26,
modules wide. The PV Array shall have a transverse spacing of approximately 8.42 feet
on center and a longitudinal spacing, of 8.00 feet maximum. Based upon a wind speed
of 100 mph, Exposure C, it was determined that the minimum required footing depth is
28 inches minimum below grade for a 16 inch diameter pier footing. The footing sizes are
based upon the worst case loading due to horizontal and vertical wind loading.
Refer to attached calculations and details for additional information.
Our professional services have been performed using the degree of care and skill ordinarily
exercised under similar circumstances by reputable engineers practicing in this locality. No
other warranty, expressed or impli is made as to the professional options included in thi's
report. We hope this provide o it a information you need at this time. Please call us
if you have any quesws,F g d. his report.
Q90ESS/%
Sincerely, hyo a�
VINC1 S TES
u�1 No: 54411 m
pG Exp. 12/31/15 To
J e nci, S.E. gTFOF c��F�
S.E. is se No. S-4411
PERMIT # `— Z
BUTTE COUNTY DEVELOPMENT SERVICES
COD ECO PEDLIANC
DATE�r Z �i
175 E. WILBUR ROAD, STE 103 THOUSAND OAKS, CA 91360
p 805.496-2100 • f 805.496-2442 • e vinci@vincise.com
' DATE: 9/17/2014
PROJECT: Burch Creek Farms - Hennigan
14471 Highway 99
Chico, CA 95973
CLIENT: Alternative Energy Systems Inc.
' DESIGN DATA:
VINCI & ASSOCIATES
61ruclur¢l Cngineers
175 E. WILBUR ROAD, STE 103 • THOUSAND OAKS, CA 91360
p805.496.2100 • f805.496.2442 • evinci@VinciSE.com
SHEET:
Al
JOB NO.:
12-3457
ENGR.:
SRV
WIND DESIGN CRITERIA:
'
BASIC WIND SPEED =
100
mph
WIND EXPOSURE =
C
iGROUND
SNOW LOAD =
0
psf
'
SOLAR MODULE ARRAY DATA
Sloped Dimension of Array =
170.68
in
'
Angle of Array =
20
degrees
Slope of Array: =
4.10
:12
'
No. of Modules in Transverse Direction =
4
No. of Modules in Longitudinal Direction =
26
'
Total No. of Modules in Project =
308
Transverse Post Spacing =
8.42
ft
tLongitudinal
Post Spacing =
8.00
ft
Number of supports - Transverse Direction =
2
Diameter of Pier Footing =
16
in
Number of Arrays =
3
'
Array Uniform Load =
2.8
psf
'
SOIL DESIGN CRITERIA (Based upon Chapter 18 of CBC)
Allowable Soil Bearing Pressure =
1500
psf
'
Allowable Soil Lateral Bearing =
200
pcf
Allowable Shaft Skin Friction =
200
pcf
VINCI & ASSOCIATES' '
PROJECT: Burch Creek Farms - Hennigan PAGE: JARV_2
CLIENT:14471 Highway 99,Chico,CA 95973 DESIGN BY:V
-soy♦
....... ,.......... t JOB NO.: 11-3457_ _ 1 DATE. 09/17/14 REVIEW BY:
Wmil_Analysi"s;for;Open',StructurC(SolariPanels)IBased,'on''ASCEy7;05'/jIBCF2009'/,CBC}2010,8 / ASCE 7-10 / CBC 2013 ............
INPUT DATA
Exposure category (B, C or D)
Importance factor, pg 73, (0.87, 1.0 or 1.15)
Basic wind speed (3 sec. gust wind)
Topographic factor (Sec.6.5.7.2, pg 26 & 45)
Height of mean roof
Roof slope
Roof length
Roof horizontal projected width
Effective area of component / cladding
C
1 = 1.00 Category II
V 100 mph
Kv = 1.00 Flat slope
In = 8 ft
4.10 : 12
L = 10 ft
B = 10 ft ecled)
A = 10 ftZ g, (pr°1
DESIGN SUMMARY
1. Main Wind -Force Resisting System
Max horizontal force / base shear from roof
Max vertical download force
Max vertical uplift force
Max moment at centroid of base from roof
2. Component and Cladding Elements
Max inward pressure
Max net outward pressure
ANALYSIS
Velocitv pressure
0.86 kips
+ 0.09 kips (eave & columns increasing)
£ 0.95 kips
2.52 kips
2.33 kips -
= 9.54 ft -kips
+ 0.95 ft -kips (eave & columns increasing)
E ' 10.50 ft -kips
= 63 psf
= 67 psf
qh = 0.00256 Kh Ka Kd VZ 1 = 18.50 psf
where: qh = velocity pressure at mean roof height, h. (Eq. 6-15, page 27)
Kh = velocity pressure exposure coefficient evaluated at height, h, (Tab. 6-3, Case 1,pg 79) = 0.85
Kd = wind directionality factor. (Tab. 6-4, for building, page 80) = 0.85
h = height of mean roof = 8.00 ft
Main Wind -Force Resisting System (Sec. 6.5.13.2)
p=ghGCN
F=pAf
where: G = gust effect factor. (Sec. 6.5.8, page 26). = 0.85
0 = roof angle = 18.88 degree
< 45 deg. [Satisfactory]
At = roof actual area. = 52,8 ftZ, windward
52.8 ftZ, leeward
CN = net force coefficients. (Fig. 6-18A, page 66)
Check Fig. 6-18A limitation h / B = 0.80 within [0.25 , 1.0] [Satisfactory]
0
WIND TO BOTTOM, y = 0°
WIND TO TOP, y = 180°
CLEAR FLOW OBSTRUCTED CLEAR FLOW OBSTRUCTED
CASE CNW CNL C'NW C'NL C'NW C'NL C'NW I C'NL
A
-1.21
-1.46
-1.31
-1.60
1.51
1.70
0.45
-1.05
18.88
p (psf)
-19.03
-22.88
-20.55
-25.21
23.69
26.78
7.10
-16.48
F (kips) -1.01 -1.21 -1.09 -1.33 1.25 1.42 0.38
-0.87
B
-2.16
-0.16
-2.20
-0.76
2.01
0.65
1.25
-0.14
p (psf) -33.94 -2.44 -34.64 -11.87 31.55 10.25 19.68
-2.28
F (kips)
-1.79
1 -0.13
-1.83 1
-0.6 1
1.67
1 0.54
1.04
-0.12
tDATE: 9/17/2014 VINCI & ASSOCIATES SHEET: A3
PROJECT: Burch Creek Farms - Hennigan 61rucfural (iagirteers JOB NO.: 09-3457
' 14471 Highway 99 175 E. WILBUR ROAD, STE 103 • THOUSAND OAKS, CA 91360 ENGR.: JRV
Chico, CA 95973 p805.496.2100 • 1`805.496.2442 • evinci@VinciSE.com
CLIENT: Alternative Energy Systems Inc.
' FOOTING DESIGN - PV Sloped Dimension:
170.68 in
TYPICAL ARRAY
PV Array Angle:
20 degrees
Post Spacing:
8.00 ft
No. of Supports:
t
2
Footing Diameter (d):
16 in
MAXIMUM VERTICAL FORCE: 2.52 k
/ (10.0 x 10.0 ) =
25.24 psf
'
MAXIMUM UPLIFT FORCE: 2.33 k
/ (10.0 x 10.0 ) =
23.26 psf
GROUNDTRAC SYSTEM CAST INTO EARTH
'
Maximum Vertical Load:
P = 25.24 psf + 2.8 psf DL + 0
psf Snow =
28.04 psf
P = 28.037 psf x ( 160 " /12"/ft) x ( 96.0 "
/12"/ft) = 2998
lbs for 2 Supports
'
P = 1499 lbs/footing
Try 16" diameter footing
Soil Bearing = 1499 / (p x 0.67) =
1074.1 psf <<
1995 psf
t1500
psf x 1.33 (CBC Table 1804.2)
Maximum Uplift Load:
Therefore O.K.
P = 23.26 psf - 2.8 psf DL =
20.46 psf
' P = 20.458 psf x ( 160 " /12"/ft) x ( 96.0 "
/12"/ft) = 2188
lbs for 2 Supports
P = 1094 lbs/footing
Try 16" diameter x 28 " footing
' Allowable uplift = Concrete DL + Lateral Bearing ( 200 psf x 1.33
per CBC Table 1804.2
[ (7< x (d/2)2) x 150 pcf x 2.3 ft ) +
[ (71 x d) x 2.33 ft
x 266 psf) = 3083 lbs
Design Ratio = ( 3,083 lbs / 1,094 lbs) = 2.8
Therefore O.K.
' DATE:, 9/17/2014 V I N C I & ASSOCIATES SHEET: A4
PROJECT: Burch Creek Farms - Hennigan 61ruclurai Cnyineers JOB No.: 09-3457
' 14471 Highway 99 175 E. wiLBUR ROAD, STE 103 • THOUSAND OAKS, CA 91360 ENGR.: SRU
Chico, CA 95973 p 805.496.2100 • f 805.496.2442 • e vinci@VinciSE.com
CLIENT: Alternative Energy Systems Inc.
DESIGN OF PIER FOOTING & RAST CHECK WIND
' Post Spacing: 8.00 ft
Number of Columns:. 2
Horizontal Load: 9.5 psf
' Exposed wind surface 3 ft
-DESIGN BASED UPON NON-CONSTRAINED CBC FORMULA:
(CBC Section 1805.7.2.1)
' d = (A/2) (1 + ( 1 + (4.36h/A) )^.5)) A = (2.34 * P) / (S1 * b)
P
P = 104 lbs 9.5psfx8.0ftx3ft/2columns'
' h = 5.5 ft (Average Height)
S1 = 266 psf/ft x (d/3) (includes 1.33 increase for wind)
h b = 16 in (diameter or diagonal of square)
1 1
, d
, 4hi
t
' GOVERNS >>>
Try d =
(ft)
S1 @ (1f3)d
(psf)
A
Calc d
(ft)
1.33
1.58
1.83
2.08
157
187
216
246
1.166
0.981
0.847
0.745
3.29
2.97
2.72
2.52
2.33
275
0.665
2.36
2.58
305
0.601
2.22
DESIGN COLUMN
Mcoi = Ph = 574 ft -lbs
S.i = M.i / Fb = 0.21 in 3 Fb = 0.66 x 50,000 psi
3
»»> USE: 1-1/2n Schedule 40 Pipe S= 0.31 in
' with 16 inch diameter x 28 inch MIN. deep concrete footing.
SUNPOWER OFFERS THE BEST COMBINED•JPOWER AND PRODUCT WARRANTY
- - - - POWER VoRgR 41T -' - b� I -L1 Z� `- pRnDUCT WARRANTY
0U' , E f 177 --y' DEVELOPMENT SERVICES
100% REVIE0JE'D FOR
95% I GOG E COMPLIANCE
90% _ . DA _
Traditional
:�•. Warranty
75% 1a
0 5 10 15 20 25
Yeors
More guaranteed power: 95% for first 5 years,-0.4%/yr. to year 25. s
ELECTRICAL DATA
REFERENCES:
1 All comparisons ore SPR -E20-327 vs. a representative conventional panel: 240W,
approx. 1.6 m2, 15% efficiency.
2 PVEvolution Labs "SunPower Shading Study," Feb 2013.
3 Typically 7-9% more energy per watt, BEW/DNV Engineering "SunPower Yield Report,"
Jan 2013.
4 SunPower 0.259/o/yr degradation vs. 1.0%/yr conv. panel. Campeau, Z. et al.
"SunPower Module Degradation Rate," SunPower white paper, Feb 2013; Jordan, Dirk
"SunPower Test Report," NREL, Oct 2012.
5 "SunPower Module 40 -Year Useful Life" SunPower white paper, Feb 2013. Useful life
is 99 out of 100 panels operating at more than 70%of rated power.
6 Out of all 2600 panels listed in Photon International, Feb 2012.
7 8% more energy than the average of the top 10 panel companies tested in 2012 (151
panels, 102 companies), Photon International, March 2013.
8 Compared with the top 15 manufacturers. SunPower Warranty Review, Feb 2013.
9 Some exclusions apply. See warranty for details.
10 5 of top 8 panel manufacturers were tested by Fraunhofer ISE, "PV Module Durability
Initiative Public Report," Feb 2013.
11 Compared with the non -stress -tested control panel. Altos 25+ Durability test report,
Feb 2013.
.12 Standard Test Conditions (1000 W/m2 irradiance, AM 1.5, 25" C).
13 Based on overage of measured power values during production.
Traditional
Warranty
0 5 10 15 20 25
Years
Combined Power and Product Defect 25 year coverage
that includes panel replacement costs. 9
OPERATING CONDITION AND MECHANICAL DATA
Temperature - 40°F to +185°F I- 40°C to +85°CI
Max load
E20 -32_7 -COM E19 -310 -COM
Standard tests
Snow: 112 psf, 5400 Pa, 550kg/m2 front
Nominal Power 12 (Pnom) - --
327 W - -- - 310 W -
Power Tolerance
,-
+5/-3% +5/-3%
--
Avg. Panel EfficienCy13
20.4% 19.3%
Rated Voltage (Vmpp)
54.7 V 54.7 V
_ -�
Current (Impp)
_-- v
5.98 A 5.67 A
lRated _ _
Open -Circuit Voltage (Voc)
_
64.9 V 64.4 V
ort-
Shcircuit Current (Isc)^
6.46 A 6.05 A - -
I Maximum System Voltage
1000 V UL; 1000 V IEC
L Maximum Series Fuse
20A
Power Temp Coef. (Pmpp)
-0.38% / °C
FVoltage Temp Coef. (Voc)
- -- -
-176.6 mV / °C -
- --- - - - -
t---- ---
Current Temp Coef. (Isc)
- - - -
3.5 mA / °C
REFERENCES:
1 All comparisons ore SPR -E20-327 vs. a representative conventional panel: 240W,
approx. 1.6 m2, 15% efficiency.
2 PVEvolution Labs "SunPower Shading Study," Feb 2013.
3 Typically 7-9% more energy per watt, BEW/DNV Engineering "SunPower Yield Report,"
Jan 2013.
4 SunPower 0.259/o/yr degradation vs. 1.0%/yr conv. panel. Campeau, Z. et al.
"SunPower Module Degradation Rate," SunPower white paper, Feb 2013; Jordan, Dirk
"SunPower Test Report," NREL, Oct 2012.
5 "SunPower Module 40 -Year Useful Life" SunPower white paper, Feb 2013. Useful life
is 99 out of 100 panels operating at more than 70%of rated power.
6 Out of all 2600 panels listed in Photon International, Feb 2012.
7 8% more energy than the average of the top 10 panel companies tested in 2012 (151
panels, 102 companies), Photon International, March 2013.
8 Compared with the top 15 manufacturers. SunPower Warranty Review, Feb 2013.
9 Some exclusions apply. See warranty for details.
10 5 of top 8 panel manufacturers were tested by Fraunhofer ISE, "PV Module Durability
Initiative Public Report," Feb 2013.
11 Compared with the non -stress -tested control panel. Altos 25+ Durability test report,
Feb 2013.
.12 Standard Test Conditions (1000 W/m2 irradiance, AM 1.5, 25" C).
13 Based on overage of measured power values during production.
Traditional
Warranty
0 5 10 15 20 25
Years
Combined Power and Product Defect 25 year coverage
that includes panel replacement costs. 9
OPERATING CONDITION AND MECHANICAL DATA
Temperature - 40°F to +185°F I- 40°C to +85°CI
Max load
Wind: 50 psf, 2400 Pa, 245 kg/m2 front & back
Standard tests
Snow: 112 psf, 5400 Pa, 550kg/m2 front
_
Impact
1 inch (25 mm) diameter hail at 52 mph (23 m/s)
resistance__
ROHS, OHSAS 18001:2007, lead-free
Appearance
Class B
Solar Cells
96 Monocrystalline Maxeon Gen II Cells
Tempered Glass
High Transmission Tempered Anti -Reflective
V
Junction Box
IP -65 Rated
Connectors
MC4 Compatible
_
Frame
Class 2 silver anodized
Weight - - -
41 lbs 118.6 kal - -- - -- - T - -- -
L Available listings CEC, JET, KEMCO, MCS, FSEC, CSA, UL, TUV
1046mm
(41.2in)
46mm
(1.81in]-1 1559mm
[61.4in)
See-h_ttp://www.sunpowercorp.com/facts for more reference information.
For further details, see extended dotasheet: www.sunoowercoro.com/datasheets Read safety and installation instructions before using this product. Designed in California
® March 2013 SunPower Corporation. All rights reserved. SUNPOWER, the SUNPOWER logo, MA%EON, MORE ENERGY. FOR LIFE., and SIGNATURE are trademarks -registered trademarks of su n powerco rp. com
SunPower Corporation. Specifications included in this datasheet ore subject to change without notice.
Document # 505701 Rev A /LTR EN
TESTS AND CERTIFICATIONS
Standard tests
UL 1703, IEC 61215, IEC 61730 -
Quality tests
ISO 9001:2008,150 14001:2004
EHS Compliance-
ROHS, OHSAS 18001:2007, lead-free
Ammonia test
IEC 62716
( Salt Spray fest
-
IEC 61701 (passed maximum severity)
1 PID test
Potential -Induced Degradation free: 1000V 1° 1
L Available listings CEC, JET, KEMCO, MCS, FSEC, CSA, UL, TUV
1046mm
(41.2in)
46mm
(1.81in]-1 1559mm
[61.4in)
See-h_ttp://www.sunpowercorp.com/facts for more reference information.
For further details, see extended dotasheet: www.sunoowercoro.com/datasheets Read safety and installation instructions before using this product. Designed in California
® March 2013 SunPower Corporation. All rights reserved. SUNPOWER, the SUNPOWER logo, MA%EON, MORE ENERGY. FOR LIFE., and SIGNATURE are trademarks -registered trademarks of su n powerco rp. com
SunPower Corporation. Specifications included in this datasheet ore subject to change without notice.
Document # 505701 Rev A /LTR EN
Absolute Maximum Open Circuit Voltage
600 VDC
Relative Humidity (non -condensing)
0-95%
Data
Optional SolrenView Web -based Monitoring
1000 VDC
Optional Revenue Grade Monitoring
Operating Voltage Range
180.580 VDC
260-580 VDC
Testing& Certifications
Safety Listings & Certifications
UL 1741/IEEE 1547, IEEE 1547.1, CSA C22.2#107.1, FCC part 15 B
300-900 VDC
ETL CSA
MPPT Input Voltage Range
300.540 VDC
300-550 VDC
15, 20 year; extended service agreement
480.800 VDC
500.800 VDC
MPP Trackers
2 with 4 -fused inputs per
tracker
Maximum Operating Input Current
2x 25A
2x 35A
2x 27 A
2x 32 A
Strike Voltage
300V
330V
AC Output
Nominal Output Voltage
208 VAC, 3 -Ph
480 VAC, 3 -Ph
AC Voltage Range (Standard)
-12%/+10%
Continuous Output Power (VAC)
14 kW
20 kW
23 kW
28 kW
Continuous Output Current (VAC)
39A
27.3 A
32A
39A
Maximum Backfeed Current
0 A
Nominal Output Frequency
60 Hz
Output Frequency Range
57.63 Hz
59.3-60.5 Hz
57.63 Hz
Power Factor
Unity, )0.99
Total Harmonic Distortion (THD)
(3%
Peak Efficiency 96.9% 97.4% 98.4%
CEC Efficiency 96.0% 97.0% 98.0%
Tare Loss r 4 W c 2 W
Integrated String Combiner
8 Fused Positions (4 positions per MPPT) 15 A (fuse by-pass available)
Ambient Temperature Range -13°F to +140°F (-25°C to +60°C) -13°F to +140°F (-25°C to +60°C)
P g Derating occurs over +50°C Derating occurs over +45°C
Storage Temperature Range
-22°F to +158°F (-30°C to +70°C)
Relative Humidity (non -condensing)
0-95%
Data
Optional SolrenView Web -based Monitoring
Integrated
Optional Revenue Grade Monitoring
External
External Communication Interface
RS485 Modbus RTU
Testing& Certifications
Safety Listings & Certifications
UL 1741/IEEE 1547, IEEE 1547.1, CSA C22.2#107.1, FCC part 15 B
Testing Agency
ETL CSA
Standard
10 year
Optional
15, 20 year; extended service agreement
AC/DC Disconnect Standard, fully -integrated
41.6 x 21.4 x 8.5 in. 39.4 x 23.6 x 9.1 in.
Dimensions (H x W x D) (1057 x 543 x 216 mm) (1000 x 600 x 230 mm)
Weight 141 lbs (64 kg) 132 lbs (60 kg) 122 lbs (55 kg)
Enclosure Rating Type 4
Enclosure Finish Polyester powder coated aluminum
PERMIT # k— 212,06
DU COUNTY VENELOPMENT SERVICES
REVIEW Q FOR
CODE INIMM L ANCE
SOLECTRI/� l �
QA t ZnivBY CJ
�VREN E W A B LES www.solectria.com I inverters@solectria.com 1 978.683.9700
DC Circuit Ampacity Calcalator
Wire Note: DC -1 Descripition: Module to INVERTER
IO�Minimum Wire and Conduit Size based on Voltage drop and Amacity:
6.461A Isc/A r 1 Number of Strings
6.46jA Circuit Amps
17.40 A Ampacity After Derate 10 Wire Size based on Ampacity 30 A
0.29051 % of V drop 10 Wire Size based on Voltage Drop 30 A
i II
17.401A Minimum Conductor Ampacity Based on Conditions of Use
L!-091
Minimum Conductor Ampacity Based on 1.56 Rule
Conditions of Use
0.464 Derate Total
70 °C Temp Coef (ambient+Sunlight)
70 °C Ambient Temp
none Sunlight Exposure
4 Number of Current Carrying Conductors
Voltage Drop: Allowable Tolerance 1%
158 F 0.58 Derate
158 F
32 F 0 °C Temp adder
0.8 Derate applied to Temp Coeficient
54.71 V Vmp/Volts 14 Panels in Series 5.98 A Imp/Amps
p 765.8(V Circuit Voltage 5.98A Circuit Amps
150 ft One way distance 10 Wire Size 1.24 Resistance 0.2905 % of loss
Conduit Size
1:
EMT Conduit Type # 0.266 1000 Volt 25.71°�
1 Conduit Size 0.864 Conduit Internal Diameter
PERMIT #
BUTTE C2,9
OUNTY DEVELOPME rVICE'
CODRE C EWED FOR S
DATE PLIANCE
D
AC Circuit Ampacity Calcalator
Job Name: HENNIGAN RACH Meter #: N/A
Location: 10
a __ _ _ _
Wire Note: AC -1(A Descripition: Inverter to DISTRIBUTION PANEL
32.4 kWatts 480 VAC Delta Voltage Configuration
f� 8 ;Minimum Wire Size based on Voltage drop and Amacity:
i 48.7125 jA Minimum Circuit Breaker/Fuse Size
48.7125 1A Min Ampacity 8 Wire Size based on Ampacity
0.126653 % of Drop 8 Wire Size based on Voltage Drop
F
I 38.97 A Circuit Ampacity 1.732 Factor- JPhases
i
0.82 Conditons of Use Derate Factor
I
55 A
55 A
47.524391A Minimum Conductor Ampacity Based on Conditions of Use
48.7125 j A Minimum Conductor Ampacity Based on 1.25 Rule
Conditions of Use
50 °C Ambient Temp 122 F 0.82 Derate Total
none Sunlight Exposure 32 F Adder 0 °C
3 or less Number of CCC Factor 1 Derate applied to Temp Coef
�50]'C Temp Coeficient (ambient+Sunlight) 0.82
Voltage Drop: Allowable Tolerance (Solar Generation 1 %/ Distribution3%)
1-7-10
ft One way distance 8? Wire Size D� 078 Resistance 0.126653 % of loss
4 V Circuit Voltage L�J i s 7 A Circuit Am
' 80 age 38 9 o � i p
Conduit Size
171
Conduit Type 0.255 600 VoltConduit Size 0.864 Conduit Internal Diameter
AC Circuit Ampacity Calcalator
Job Name: �HENNIGAN RACH Meter #: N/A
Location: i0
Wire Note: AC -1(B) Descripition: ,Inverter to DISTRIBUTION PANEL T
26.6 kWatts 480 VAC Delta Voltage Configuration
8 JA4inimum Wire Size based on Voltage drop and Amacity:
39.99236 4A Minimum Circuit Breaker/Fuse Size
39.9923 j
6 A Min Ampacity 8 Wire Size based on Ampacity
0.10398 1% of Drop 8 Wire Size based on Voltage Drop
i
31.99389 1A Circuit Ampacity 1.732 Factor Phases
0.821 Conditons of Use Derate Factor
39.016941A Minimum Conductor Ampacity Based on Conditions of Use
39.99236A Minimum Conductor Ampacity Based on 1.25 Rule
Conditions of Use
55 A
55 A
50 °C Ambient Temp 122 F 0.82 Derate Total
none Sunlight Exposure 32 F Adder 0 °C
3 or less Number of CCC Factor 1 Derate applied to Temp Coef
50 °C Temp Coeficient (ambient+Sunlight) 0.82
Voltage Drop: Allowable Tolerance (Solar Generation I%/ Distribution3%)
F480
ft One way distance Wire Size 0.78 Resistance 0.10398 % of loss
V Circuit Voltage 31.99389 A Circuit Amps
Conduit Size
17!1
Conduit Type 0.255'600 Volt Conduit Size 0.864 Conduit Internal Diameter
AC Circuit Ampacity Calcalator
Job Name: HENNIGAN RACH Meter #: N/A
Location: j0
Wire Note:AC-2 Descripition: Inverter to DISTRIBUTION PANEL
91.41 kWatts 480 VAC Delta Voltage Configuration
250x2 Minimum Wire Size based on Voltage drop and Amacity:
I
137.4324 t;tA Minimum Circuit Breaker/Fuse Size,
137.4324 lA Min Ampacity 1 Wire Size based on Ampacity 150 A
1.328513 % of Drop 250x2 Wire Size based on Voltage Drop 430 A
109.9459 !A Circuit Ampacity 1.732 Factor Phases
0.82 Conditons of Use Derate Factor
134.0804 A Minimum Conductor Ampacity Based on Conditions of Use
137.4324 A Minimum Conductor Ampacity Based on 1.25 Rule
Conditions of Use
50 °C Ambient Temp 122 F 0.82 Derate Total
none Sunlight Exposure 32 F Adder 0 °C
3 or less Number of CCC Factor 1 Derate applied to Temp Coef
50 °C Temp Coeficient (ambient+Sunlight) 0,82
Voltage Drop. Allowable Tolerance (Solar Generation 1 %/ Distribution3%)
F-7-1-0-010 ft One way distance 250x2 Wire Size 0.029 Resistance 1.328513 % of loss
! 4801 V Circuit Voltage 109.9459 A Circuit Amps
Conduit Size
171
Conduit Type 0.725 600 VoltConduit Size 11.258 Conduit Internal Diameter
ALL ELECTRICAL WORK SHALL BE IN ACCORDANCE WITH THE 2011 NATIONAL
ELECTRIC CODE (NEC), OR LOCAL MUNICIPAL CODE, AND FIRE DISTRICT
REGULATIONS.
1. ALL EQUIPMENT SHALL BE LISTED AND LABELED PER RECOGNIZED
ELECTRICAL TESTING LABORATORY AN INSTALLED PER THE LISTING
REQUIREMENTS AND THE MANUFACTURER'S INSTRUCTIONS.
2. ALL INVERTERS SHALL BE IEEE 929 COMPLIANT AND SHALL BE INSPECTED
BY LOCAL UTILITY BEFORE COMMISSIONING, TESTING, AND OPERATION OF
THE SYSTEM.
3. ALL OUTDOOR EQUIPMENT SHALL BE MINIMUM NEMA 3R, INCLUDING
OUTDOOR MOUNTED TRANSITION BOXES, COMBINER BOXES, AND
SWITCHES.
4. ALL EQUIPMENT SHALL BE PROPERLY GROUNDED PER THE RREQUIREMENTS
OF NEC ART.250,690.
S. NEC. ART. 690.9(A). ALL CIRCUITS CONNECTED TO MORE TH AN ONE
SOURCE SHALL HAVE OVERCURRENT DEVICES LOCATED SO AS TO PROVIDE
OVERCURRENT PROTECTION FROM ALL SOURBCES.
19.INSTALLATION OF PV PANEL ARRAYS SHOULD RESIST SLIDING AND POP-UP
RESULTING FROM SEISMIC EVENTS AND SHOULD COMPLY WITH CBC
SECTION 1613A AND ASCE STANDARD 7-05, CHAPTER 13.
20.PV SYSTEM INSTALLER WILL BE RESPONSIBLE FOR FURNISHING AND
INSTALLATION OF ALL RELATED EQUIPMENT, CABLES, ADDITIONAL
CONDUITS, BOXES WIREWAYS AND OTHER ACCESSORIES NECESSARRY FOR
COMPLETE AND OPERATIONAL PHOTOVOLTAIC SYSTEMS.
21.PV SYSTEM CONTRACTOR SHALL COORDINATE ALL THE WORK WITH THE
ENGINEER, THE CONSTRUCTION MANAGER AND ALL OTHER
CONTRACTORS TO ENSURE THAT PV SYSTEM IS INSTALLED AS SPECIFIED IN
THESE DRAWINGS.
22.DRAWING IN GENERAL OR DIAGRAMMATIC AND INDICATE GENERAL
ARRANGEMENT OF THE EQUIPMENT AND WORK INCLUDED. THE
INTENTION OF THE DRAWING IS TO INDICATE SIZE, CAPACITY,
APPROXIMATE LOCATION AND GENERAL RELATIONSHIP, BUT NOT EXACT
DETAIL OR PHYSICAL PLACEMENT.
23.FIELD VERIFIES EXACT AIC RATING REQUIRED OF THE MAIN SWITCHBOARD
FROM LOCAL UTILITY.
6. NEC ART. 690.18. DUE TO THE FACT THAT PV MODULES ARE ENERGIZED 24.A PV SYSTEM WITH MULTIPLE INVERTERS, WHERE ItVVERTERS ARE
WHENEVER THEY ARE EXPOSED TO LIGHT, PV CONTRACTOR. SHALL DISABLIE REMOTELY LOCATED FROM EACH OTHER, WILL HAVE A DIRECTORY'
THE ARRAY DURING INSTALLATION AND SERVICE BY SHORT CIRCUITING, CREATED FOR EACH LOCATION. AS PER 2011 NEC 690.5(H) AND IN
OPEN CIRCUITING, OR COVERING THE ARRAY WITH AN OPAQUE ACCORDANCE WITH 2011 NEC 705.10.
COVERING.
7. PHOTOVOLTAIC SYSTEM SHALL BACKFEED THE DISTRIBUTION SYSTEM ON
SITE PER THE REQUIREMENTS OF NEC ART.690.64(B). ALL BACKFEED
BREAKERS SHALL BE IDENTIFIED AS SUCH AND SHALL BE SECURED IN PLACE
BY ADDITIONAL FASTENER PER THE REQUIREMENTS OF NEC 408.16(F)
(408.36 IN 2011 NEC.
8. FALL ARREST PROTECTION PER OSHA REQUIREMENTS SHALL BE PROVIDED
FOR ALL ROOF WORK.
9. ALL CONDUCTORS AND TERMINATIONS SHALL BE RATED FOR 75" C
MINIMUM.
10.NEC ART. 690.14. - SEE SHEET RE -4.3 FOR LABEL DIAGRAM
11.NEC ART. 690.53. - SEE SHEET RE -4.3 FOR LABEL DIAGRAM
12.NEC ART. 690.17. EACH AC DISCONNECT SHALL ALSO BE LABELED WITH:
"WARNING! -ELECTRICAL SHOCK HAZARD - DO NOT TOUCH TERMINALS.
TERMINALS ON BOTH LINE AND LOAD SIZE MAY BE ENERGIZED IN THE
OPEN POSITION".
13.DC DISCONNECT AT THE INVERTER WILL BE READILY ACCESSIBLE AFTER
THE INSTALLATION IS COMPLETE PER 2011 NEC ART. 690.17' WHERE
TERMINALS OF THE DISCONNECTING MEANS MAY BE ENERGIZED IN THE
OPEN POSITION. PROVIDE A WARNING SIGN OF THE HAZARDS PER 2011
NEC ART.690.17
14.CONTRACTOR TO PROVIDE GROUND FAULT PROTECTION FOR ROOF
MOUNTED PHOTOVOLTAIC ARRAYS LOCATED ON DWELLINGS PER 2011
NEC ART.690.17.
15. WHERE MORE THAN ONE NOMINAL VOLTAGE SYSTEM EXIST, THE
DIFFERENT SYSTEMS SHALL BE IDENTIFIED BY PHASE AND SYSTEM PER
2011 NEC ART.210AD
16.PROVIDE AN ACCESSIBLE DISCONNECT DEVICE THAT IS LOCKABLE IN OPEN
POSITION AND IS LOCATED WITHIN 10'-0" OF THE METER PER LOCAL
ELECTRICAL UTILITY REGULATIONS.
17.PHOTOVOLTAIC SOURCE CURRENTS MUST BE RATED AT BOTH 125% OF
THE PARALLEL MODULE AND ATA CONTINUOUS LOAD OF ANOTHER 125%
FOR A TOTAL OF 156% OF THE LOAD.
18.PROVIDE PERMANENT PLAQUE OR DIRECTORY PROVIDING THE LOCATION
OF THE SERVICE DISCONNECTING MEANS AND THE PHOTOVIOLTAIC
SYSTEM DISCONNECT MEANS IF THEY ARE NOT IN THE SAMIE LOCATION
PER 2011 NEC ART.690.56.
W-z� �Z�
PERMIT #
BUTTE COUNTY DEVELOPMENT SERVICES
REVIEWED FOR
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PROJECT OWNER:
BURCH CREEK FARMS- HEN NIGAN
14471 HIGHWAY 99
CHICO CA 95973
AP N#: 047.130.156.000
CONTRACTOR:
ALTERNATIVE ENERGY SYSTEMS INC.
MAIL TO: PO BOX 9231
CHICO, CA 95927
PHYSICAL: 13620 HWY 99
CHICO, CA 95973
CSLB 853351 C-10, C-46
SCOPE:
INSTALL GROUND MOUNTED
PHOTOVOLTAIC SOLAR SYSTEM AND
UPDATE ELECTRICAL EQUIPMENT AS
NEEDED IN ACCORDANCE WITH ALL
APPLICABLE BUILDING CODES
SPECIFICALLY REFERENCING THE 2013
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PV -1.0
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FAX#: (530) 538-2140
INSPECTION LINE: (530) 538-4365
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REQUESTS PHONED IN BY 2PM WILL BE INSPECTED
THE NEXT BUSINESS DAY
BUTTE i
COUNTY I
i MODULES: SUNPOWER
i (308) SPR -E20 -327 -COM
SEP 2 5 2014
1 100.72kW SYSTEM
1 5,411 SQFT COVER
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200 A
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BUTTE COUNTY DEVELOPMENT SERVICES. Co rl U Q
REVIEWED FOR
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DATE BY � � ORw BY NTS
AW
I DATE
09/16/2014
SHEET
PV -4.0
ELECTRICAL SINGLE LINE DIAGRAM EUCIRICAL SINGLE UNE
NI5
120
VAC
DECK MONITORING
BROADBAND ROUTER
GATEWAY COMMUNICATION COMMUNICATION
CARD CARD
SOURCE
INTERNET
COMMUNICATION
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REVISION
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LIANCE
SCALE
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DRW BY
AW
DATE
09/16/2014
SHEET
PV -4.1
MONITORING SINGLE LINE DIAGRAM
NTS MONITORING SINGLE LINE
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CAUTION: SOLAR
• CIRCUIT WARNING WARNINGO .^
N
Installed on all DC conduit every 10' UTILITY INTERACTIVEPOWER 0 DualPower Su• .
and on both sides of any • �• GENERATOR . -
penetration. SOLAR
W
A OPERATING
. . .. �.
r6
AC
•' • NEC 705.10, Point of Connection,
DC • • ' I ED ON Located On Main Service Panel. I W
CAUTION!
SOLAR CIRCUIT
NEC 690.54, Interactive Point of
VOLTAGES•• Interconnection
PERSONNEL ONLY! Installed at all ElectricalPHOTOVOLTAICz
Installed on all DC Junction boxes Distribution Panel covers that
DISCONNECT 0
_provide a path from PV to Utility Z_
NEC 690.14, Disconnection Means, w
PHOTOVOLTAIC DI• At =
OPERATING the single AC Disconnect or Main
•. ..ENT A rn 0
WARNING t Breaker. °1 0
NORMALLYELECTRIC SHOCK HAZARD
IF A GROUND FAULT IS INDICATED, MAX SYSTEM YOLTAGE 600 VDC �:'e Cl)
CONDUCTORS• -. w=moo
MAY BE UNGROUNDED • •. .. • oCL7Q-1
Per 690.5(C), Warning Shockized in en ition '' . u -100 0
2
Hazard. Included on all PV NEC 690.14, Solar Disconnect Solar Breaker Label @ Any breaker or_ ct - z
disconnects. on the front of all PV DC passing Bi -Directional Power m � u a
_ Disconnects. Filled out in PERMIT #
Su; -E Cp�NIY D 0 MENT SERVICES. SCALE
accordance with NEC 690.55 RIEVI� ED FOR NTS
q� i� /- IANCE DPW BY
�a�E.+E G AW
DATE
DATES 0 t I ? -SY `! 09/16/2014
SHEET
PV -4.2
LABEL DIAGRAM
.IS
--ELOIAORANI
P
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REVISION
ARRAY
COMBINER -
INVERTER ' + SUB PANEL
AC DISC. MAIN SERVICE
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CAUTION: SOLAR
• CIRCUIT WARNING WARNINGO .^
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Installed on all DC conduit every 10' UTILITY INTERACTIVEPOWER 0 DualPower Su• .
and on both sides of any • �• GENERATOR . -
penetration. SOLAR
W
A OPERATING
. . .. �.
r6
AC
•' • NEC 705.10, Point of Connection,
DC • • ' I ED ON Located On Main Service Panel. I W
CAUTION!
SOLAR CIRCUIT
NEC 690.54, Interactive Point of
VOLTAGES•• Interconnection
PERSONNEL ONLY! Installed at all ElectricalPHOTOVOLTAICz
Installed on all DC Junction boxes Distribution Panel covers that
DISCONNECT 0
_provide a path from PV to Utility Z_
NEC 690.14, Disconnection Means, w
PHOTOVOLTAIC DI• At =
OPERATING the single AC Disconnect or Main
•. ..ENT A rn 0
WARNING t Breaker. °1 0
NORMALLYELECTRIC SHOCK HAZARD
IF A GROUND FAULT IS INDICATED, MAX SYSTEM YOLTAGE 600 VDC �:'e Cl)
CONDUCTORS• -. w=moo
MAY BE UNGROUNDED • •. .. • oCL7Q-1
Per 690.5(C), Warning Shockized in en ition '' . u -100 0
2
Hazard. Included on all PV NEC 690.14, Solar Disconnect Solar Breaker Label @ Any breaker or_ ct - z
disconnects. on the front of all PV DC passing Bi -Directional Power m � u a
_ Disconnects. Filled out in PERMIT #
Su; -E Cp�NIY D 0 MENT SERVICES. SCALE
accordance with NEC 690.55 RIEVI� ED FOR NTS
q� i� /- IANCE DPW BY
�a�E.+E G AW
DATE
DATES 0 t I ? -SY `! 09/16/2014
SHEET
PV -4.2
LABEL DIAGRAM
.IS
--ELOIAORANI
9/1
VINCI & A S , IATES
115E N'1LBUR ROM. 511TE Np � �Suy'0 k5 G BtMO
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121"0 SCHED. 40
GALV. PIPE, TYP. LINO
1" METALLIC FLEX
PV RACKS &
MODULES PER PLAN 8"X8"X6" NEMA3
ENCLOSURE
8"X8"X6" NEMA3
1" 3" 1" ENCLOSURE
A
1Z„ CABLE TRAY 3/8 -16 xl STAINLESS HEX
WASHER HD TYPE F
MODULE SELF TAPPING 1"0 SCHED.40
PRE DRILL W/ 5/16"0, TYP. GALV. PIPE, TYP. LINO
PER PLAN
IRES TO BE RUN 24" MIN.
RACK AND CABLE TRAY GEC, PER NOTE
DID EASY ACCESS POST X/RE-4.0
RUCTION
IL HORIZONTAL MEMBER: CONCRETE FOOTING CONCRETE FOOTING
(f c=2000PSI) (f c=2000PSI)
I I I
HOLLAENDER "T', TYP. 28" 28.,
TRAY TOP AND BOTTOM
16"0 I� (�
PIER FOOTINGS PIER FO FOOTINGS
CABLE TRAY DETAIL 4 TYPICAL BOX. AT BACK OF ARRAY Z
GMa NTGM1 PERMIT# �n4I"�/ L1
BUTTE COUNT
NTY DEVELOPMENT SERVICES
ENDCAP 11"o SCHED.40 REVIEWED FOR
P. PIPE GALV. PIPE CODE MPL IANC
DATEr✓
_ _ .. Z `� BY SOLAR MODULE i
STRUT PER PLAN
RUT PER PLAN
TYP. LINO
SSEMBLY
ER T
SEE SECTI ON 4 FOR
ADD'L INFO
170.68_
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L UI J 4'PIER FOOTINGS
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11/2" HOLLAENDER "T', TYP.
TYPICAL HORIZONTAL MEMBER
112" 0 SCHED. 40 i
GALV. PIPE, TYP. UNO
CABLE TRAY TOP AND BOTTOM
s
TYPICAL POSTS - It
11"0 SCHED. 40
GALV =PI PE, TYP. LINO
FTG PER PLAN
SEE SECTION 3 FOR ADD'L INFO
'ALTERNATE: 24"o PIER
FOOTING 18" DEEP
TYPICAL PROSOLAR GROUND MOUNT FOOTING DETAIL 3 `i SECTION 1
GM3 NT NT
RAKING DETAIL
NTS
REVISION
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U�Uit
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NTS
w�
AW
DATE
09/16/2014
SHEET
PV -5.0
RACIONG DETAIL
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