1. Pinole-Hercules Water Pollution Control Plant Upgrade Project
Update to
Pinole-Hercules Wastewater Subcommittee March 2, 2017
Pinole-Hercules Water Pollution Control Plant Upgrade Project

2. Headworks and Grit Removal
The base and walls of the new headworks structure have been poured and the synthetic coating is being installed and sealed.
The grit structure base is completed and the wall elevations are being formed and poured.
Work for these structures is 32% complete

3. Influent Pipe
The influent sewer from both Pinole and Hercules have been excavated and are under construction.

4. Electrical Work in Progress
The Electrical building slab has been poured and is ready for masonry wall construction to begin

5. The solids handling facilities
The walls for the new solids handing building and sludge thickener are now being constructed.

6. Site prior to start of construction

7. Project south end in February 2017
Influent sewer
New electrical building
Grit structure
Headworks structure

8. Project north end in February 2017
Solids handling facility
Gravity sludge thickener

9. Original schedule and cost breakdown
Substantial Completion
Final Completion

10. Progress/Payments
Billings for Work through January 2017 total $10,409,656

11. Baseline Overview of Schedule Work Activities
Pre-construction
Construction
Permits
Headworks and Solids Handling
Secondary Treatment
Secondary Clarifier 1 and Chlorine Contact Basin
Facility Start-up
Submit Shutdown Requests
Civil/Site Work, Yard pipe, Ductbank
Temporary Bypass Piping and Pumping
Temporary Bypass Piping and Pumping
Testing and Commissioning
Prepare Submittals
Headworks and Grit Facilities
Aeration Basins
Yard Piping and Ductbanks
Demobilization period
Submittal Review and Approval
Primary Clarifiers 1 & 2
RAS/WAS Pumping Station
Chlorine Contact Basin
Material Fabrication and Delivery
Electrical Building
Secondary Clarifier 2
Public Works Building
Outfall Pipeline
Blower Building
Sodium Hydroxide Area
Influent Sewer
Primary Clarifier 3
Digester Gas Burner
Solids Handling Facility
Maintenance Building
Secondary Clarifier 1
Testing and Commissioning
Testing and Commissioning
Miscellaneous site work

12. Current Status of Work Activities
Pre-construction
Construction
Permits
Headworks and Solids Handling
Secondary Treatment
Secondary Clarifier 1 and Chlorine Contact Basin
Facility Start-up
Submit Shutdown Requests
Civil/Site Work, Yard pipe, Ductbank
Temporary Bypass Piping and Pumping
Temporary Bypass Piping and Pumping
Testing and Commissioning
Prepare Submittals
Headworks and Grit Facilities
Aeration Basins
Yard Piping and Ductbanks
Demobilization period
Submittal Review and Approval
Electrical Building
RAS/WAS Pumping Station
Chlorine Contact Basin
Material Fabrication and Delivery
Outfall Pipeline
Secondary Clarifier 2
Public Works Building
Influent Sewer
Blower Building
Sodium Hydroxide Area
Solids Handling Facility
Primary Clarifier 3
Digester Gas Burner
Work in Progress
Primary Clarifiers 1 & 2
Completed
Testing and Commissioning
Maintenance Building
Secondary Clarifier 1
Testing and Commissioning
Miscellaneous site work

13. Change Orders Executed To Date
Number
Subject
Cost 1
Temporary Public Restrooms and Wash Station during construction
$ 21,271.00 2
New AC Road along the Northeast Side of the Plant for Continued County Access
$ 32,363.00 3
Credit for Deleting Two Duck Bill Check Valves at Aeration Basins
$(12,018.00) 4
Revised Davis Bacon wage determination $ 5
Concrete Scanning for Existing Primary Clarifiers
$ 2,320.00 6
Headworks - Concrete Fillets and Fills Modifications
$ 22,893.60 7
RTU Modifications to Control Plant Instrumentation
$ 21,621.00 8
Replace Carbon Steel Low Pressure Air Piping with Stainless Steel
$ 77,431.00 9
Install Polymer System Progressive Cavity Pumps in-Lieu of Specified Peristaltic Pumps
$ 3,299.00 10
Relocate Headworks and Ferric Chloride Storage Facilities 11
Re-route natural gas line around MH-1
$ (1,705.00)
TOTAL CHANGE ORDERS TO DATE
$167,475.60
Executed change orders total 1.6 percent of work completed to date

14. Potential Change Order Requests Currently In Review
Number
Subject 1
Demolish and Replace Approximately 50 feet of Existing Asbestos Cement 24-inch Effluent line 2
Reroute Existing Utilities at Surge Tank 3
Remove and Dispose Asbestos Cement Pipe at Mixed Liquor Flow Split Box Area 4
Add Electric Hoist at Influent Pumps 5
Credit for Deletion of Headworks Water Stop and Influent Pump Pads 6
Credit for Deletion of Grit Handling Water Stop 7
Influent pump piping and hatch modifications 8
Credit for switch from precision cut to split face block on building 9
Guard rail modifications at headworks and aeration basin 10
Electrical conduit and wire modifications

15. Schedule Actual Notice to Proceed Substantial Completion Date
May 11, 2016
Substantial Completion Date
October 28, 2018
Final Completion Date
December 26, 2018