HomeMy WebLinkAbout3.a. Amending the Utility Agreement with the Town of Moraga for sewer replacement work related to the Rheem Boulevard sink hole repair Page 1 of 2
Item 3.a.
Central Contra Costa Sanitary District
June 12, 2018
TO: ADMINISTRATION COMMITTEE
FROM: DANEA GEMMELL, PLANNING AND DEVELOPMENT SERVICES DIVISION
MANAGER
REVIEWED BY:
JEAN-MARC PETIT, DIRECTOR OF ENGINEERING AND TECHNICAL
SERVICES
ROGER S. BAILEY GENERAL MANAGER
SUBJECT: AMENDING THE UTI LITYAGREEMENT WITH THE TOWN OF MORAGA
FOR SEWER REPLACEMENT WORK RELATED TO THE RHEEM
BOULEVARD SINKHOLE REPAIR
The Town of Moraga (Moraga)experienced a large sinkhole during a rain event on March 13, 2016.An
unexpected 15-foot wide by 20-foot long by 15-foot deep sinkhole developed at the intersection of Rheem
Boulevard and Center Street in Moraga. Numerous utilities were affected including storm drain, Comcast,
AT&T, East Bay Municipal District(EBMUD), and Central San. The scope of the sinkhole repair included
the removal and replacement of approximately 120 linear feet of 96-inch corrugated metal storm drain and
appurtenances. I n order to facilitate this construction, it was necessary to remove and replace
approximately 40 linear feet of Central San's 15-inch asbestos concrete sanitary sewer that was above the
storm drain pipe.
Moraga received emergency funds from Caltrans to help repair the sinkhole. Caltrans reviewed the right
of way within Rheem Boulevard and indicated that, by Caltrans standards, Central San does not have
senior or superior rights over Moraga's rights.As a result, Caltrans requested for Central San to fund the
cost of the sanitary sewer alteration as it is ineligible for federal funds. The Board approved the Utility
Agreement(Agreement)with Moraga on January 26, 2017. While Central San questioned whether it is
legally obligated to fund this work, the Board chose to approve the Agreement in the spirit of cooperation
since Moraga has limited funding for their repair work and Central San will receive 40 feet of new pipe. In
recognition of Central San's concerns, Caltrans drafted the Agreement noting the dispute, with neither
party diminishing their position or waiving any rights.
The Agreement estimated the work at$35,000 and authorized a total cost up to 125% of the estimate, or
$43,750 for the work; it states that in the event the final bill exceeds 125% of the estimate that an amended
Agreement shall be executed between the parties. Moraga bid the Sinkhole Repair project on June 1,
2017 and received three bids. The Town of Moraga's Engineer's Estimate for the work was $1,821,400
and the low bid from McGuire & Hester was $1,320,700. However the lump sum item for Bid Item 28,
"Utility Restoration, CCCS D Sanitary Sewer", originally estimated at$26,500, was $50,700 which is higher
than the amount authorized in the Agreement. Substantial completion for the project occurred on
November 16, 2017 with final contract acceptance by the Moraga Council on January 11, 2018.
June 12, 2018 Regular ADMIN Committee Meeting Agenda Packet- Page 3 of 8
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Recently, Moraga submitted the final bill under the Agreement in the amount of$50,700, which includes
the cost of bypassing; removal/abatement of the existing sanitary sewer, installation of the new sanitary
sewer, and protecting the new sanitary sewer during construction. The final amount of$50,700 is 145% of
the estimate or an additional $6,950.
While the amount of this amendment is within the General Manager's authority, staff is forwarding this
matter to the Administration Committee as an informational item, prior to executing the amendment due to
its political sensitivity.
GOAL THREE:Be a Fiscally Sound and Effective Water Sector Utility
Strategy 2- Manage Costs
June 12, 2018 Regular ADMIN Committee Meeting Agenda Packet- Page 4 of 8