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PLEASANT HILL-GRAYSON CREEK
TRUNK SEWER PROJECT
Engineering & Operations Committee
November 7, 2017 Meeting
Presented by
Edgar J. Lopez, PE
Capital Projects Division Manager
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PROJECT DETAILS
Installed 10,000 LF
Pipes range in size from 18- to 24 -inch
36 -inch steel casings (three under -crossings)
Sewer main and lateral tie-ins
6,000 LF of existing sewer pipe abandoned
2,000 LF along Grayson Creek
31 pits excavated; average 18'w x 24'1 x 25'd
Multiple City of Pleasant Hill permits issued with
amendments/revisions
Numerous Traffic Control Plans (TCPs) per each
permit. Average of six maps, day and nighttime
set-ups, for each permit "-i"k
PROJECT SCHEDULE
Board Award to MCI
Notice to Proceed Issued
Original Completion Date
Actual Substantial Completion
February 2016
April 2016
May 2017
November 2017
Currently Working on Punchlist and Project
Acceptance
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FOUR MAJOR CHALLENGES
Unexpected heavy rains in 2016-17 Winter
Unforeseen conditions
Hard rock excavation
Coordination with the City of Pleasant Hill
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MITIGATED MEASURES
Vibration Monitoring
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TOTAL BUDGET OVERRUN
D- ..
Construction Contract (MCI) $10,401,854 $0
$10,401,854
Contract• • - to : $626,146 $258,000
$884,146
- $50,000 $360,000
$410,000
ForcesCentral San $465,000 $366,000
$831,000
Consultants$757,000 $416,000
$1,173,000
Pre-bid • $1,400,000 LO
$1,400,000
• $13,700,000 $1,400,000
$15,100,000
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BOARD RECOMMENDED ACTION
• Authorize the General Manager to transfer
$1,260,000 from the CIB Contingency Account to
the Pleasant Hill -Grayson Creek Trunk Sewer,
District Project 8412;
Increase the Contract Contingency Budget to
8.5%; and
• Authorize the General Manager to execute
change orders up to $200,000 for the project
QUESTIONS?
W
RE
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