HomeMy WebLinkAbout07. Primary Renovations ProjectPrimary Renovations Project
DP 7285
Jason DeGroot
Associate Engineer
Engineering and Operations Committee Meeting
February 11, 2015
Central Contra Costa Sanitary District
Project Status
• NTP July 15, 2013
• 855 Calendar Days
• Contract Completion Date November 16, 2015
• 559 Calendar Days Completed (65 %)
• Work Is About 78% Complete
• Scheduled Completion Date September 18,
2015
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Completed Work - PE Pump I
• Flowserve Pump
• 600 Hp Motor
• Design Capacity - 75 MGD
• Operational October 2014
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Completed Work - Primary Tanks
• Tanks 4, 3, and 2 Completed
• Replaced sludge shafts and
drives
• Installed Baffles
• Tank 1 spray bar header has
been installed
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Construction - Scum Thickener
• Walker Process Scum Thickener
• Design Capacity - 288 GPM
• 2 Day Tanks - 940 Gallons Each
• Startup Scheduled Mid - February
2015
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Upcoming Construction - MCC 22
• Scheduled Start Date -
May 2015
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Upcoming Construction -
Remaining Items
• Scheduled Start Date - After May
172015
• PE Pump 2
• Pre - Aeration Tank 1
• Primary Sedimentation Tank 1
and 2 Scum Hopper
• Primary Sedimentation Tank 1
• 227 Valve Replacement
Project Budget
• Original Contract Amount $10,277,000
• 17 Change Orders for $671,300 (6.5 %)
- Urgent Project Requests $189,600 (1.8 %)
• Current Contract Amount $10,948,300
• Payments: $9,100,000 (83 %)
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Questions?
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