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Project No. P2-92A
Operations • . .
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Project Objectives
• Replace dewatering facilities that have reached the end
of their service life at Plant No. 2 with more efficient
technology ( Project P2-92) .
• The biosolids produced by the centrifuges will be more
odorous than the current biosolids.
• This project modifies the existing truckloading facility to
improve odor control to coordinate with the new
Centrifuge Project.
P2=92A Truckloading Odor Control
Separate project to
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the larger P2-92
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Limited workspace to retrofit
odor system into existing -
building area .
Project Challenges
• Unknown utilities and/or utility locations requiring
additional work - $ 104K
• Design changes or omissions requiring additional work
to install new equipment into the existing facility -
$ 145K
• OCSD required additional equipment and modifications
to address safety concerns in chemical containment
areas - $66K
Contract and ContingencyStatus
Contract Status
Original Construction Contract $3,304,000
Current Percent Complete 81%
Projected Final Completion March 2019
Contingency Status. Amount
Authorized Contingency $330,400 10.0%
Approved Changes $220,800
Pending Changes $90,500
Remaining Contingency $19,100
Additional Contingency Requested $132,160 4.0%
Total Requested Contingency $462,560 14.0%
Recommended Action
• Approve a contingency increase of $132, 160 (4%) to the
construction contract with Kiewit Infrastructure West
Co., for a total construction contingency of $462,560
( 14%) .
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