HomeMy WebLinkAboutAgenda Report - May 20, 2015 C-12AGENDA ITEM C,,12-
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AGENDA TITLE: Receive Update on Emergency Condition at White Slough Water Pollution Control
Facility Digesters No. 1 and No. 2
MEETING DATE: May 20, 2015
PREPARED BY: Public Works Director
RECOMMENDED ACTION: Receive update on emergency condition at White Slough Water
Pollution Control Facility Digesters No. 1 and No. 2.
BACKGROUND INFORMATION: White Slough Water Pollution Control Facility (WSWPCF) has four
covered anaerobic digesters that serve the purpose of breaking
down sewage sludge that enters the plant. On July 16, 2014,
Council declared an emergency condition in response to concurrent roof failures on Digesters No. 1 and
No. 2. Public contract code requires Council to review the emergency action at its next
regularly -scheduled meeting and each regularly -scheduled meeting thereafter until the emergency is
terminated.
The completed Digester No. 2 became operational on April 6, 2015.
Work to remove the solids inside Digester No. 1 is complete and the Contractor has started to prepare the
interior digester walls for the protective coating process. Completion of this task is expected by the end of
May.
The new roof for Digester No. 1 has been fabricated, coated and set aside until it is time for installation.
The procurement and construction schedule reflecting project milestones is provided below. The work is
progressing on the original schedule, and there is no substantial change from last report.
Project Definition Meeting
Issue Final Contract Documents
Receive GMP Proposals
Issue Notice to Proceed
Complete Digester No. 2 Improvements
Complete Digester No. 1 Improvements
FISCAL IMPACT: Not applicable_
FUNDING AVAILABLE: Not applicable.
July 21, 2014
August 1, 2014
August 20, 2014
September 15, 2014
April 2, 2015
August 27, 2015
ar F. Wally Sandelin
Public Works Director
Prepared by Charlie Swimley, City Engineer / Deputy Public Works Director
FWS/CES/smh
cc: Associate Civil Engineer Nathan Charlie Swimley, City Engineer/ Deputy Public Works Director
Wastewater Plant Superintendent Construction Project Manager
APPROVED
tep a Sch abaue , City Manager
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