HomeMy WebLinkAboutLake Oroville Community Update - Continued Construction on the Main Spillway Menchaca, Clarissa
From: DWR Oroville Spillways <oroville@water.ca.gov>
Sent: Wednesday, September 20, 2017 12:47 PM
To: Menchaca, Clarissa
Subject: (Lake Oroville Spillways Construction Updates
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Lake Oroville, Community Update
September' 20, 2017
Today the IClepartment of Water Resources (DWR) provided an update on construction work
on the Lake roville Spillways Emergency Recovery Project.
Continued onstru ti n on the Main Spillway
WR remains focused on meeting its primary objective of repairing and reconstructing
the main spillway by November 1 to handle flows of 100,000 cubic feet per second
(cfs).
Work will continue well past November on both the main spillway and emergency
spillway. The state's contract with I iewit Infrastructure West is currently until January
2919.
This year, 73O feet of main spillway leading to the radial gates will be patched,
reinforced and left in, place. It will be removed and reconstructed with structural
concrete in 2418.
There are 42 days heft until November 1:
* Placement of reinforced, structural concrete is 30, percent complete, 8y
November 1 there will be 1,220 feet of spillway chute with structural concrete —
87uJ feet on the upper chute of the spillway and 350 on the lower chute of the
spillway.
* The 1,050-foot middle section of the spillway chute, including filling lin the two
scour holes„ is now 50 percent complete„ with approximately 179,000 cubic
yards of roller compacted concrete placed. This year, there will be an estimated
350,0010 cubic yards of RCC placed. In 2018, this middle section will be
completed to final design with structural concrete.
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Cafifor6,@ De.partinefill of IAWe�� Rescurces
14 16 9U,r St
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