CITY OF SAN DIEGO
Tierrasanta Pump Station
Contract Value: $10,995,000
Contract Duration: 678 Calendar Days
The project involves construction of a new 14 million gallon per day (MGD) pump station, including demolition of the existing Tierrasanta Temporary Pump Station and installation of approximately 2,800 feet of 20- inch PVC water main. The existing Via Dominque Pump Station will remain in place as a backup pump stations.
HELIX WATER DISTRICT
Aqueduct 2 Pipeline Repairs
Contract Value: $567,256
Contract Duration: 60 Calendar Days
Various Repairs on Helix Water District Aqueduct 2. Seven locations excavate, remove and replace existing Pre-stressed Concrete Pipe with owner supplied Cement Mortar Lined and Coated Steel pipe. Lengths vary between six and twenty feet. Six locations install addition steel reinforcing plates. Mortar lining repair and access manway replacement.
SAN DIEGO COUNTY WATER AUTHORITY
Pipeline 3 Relining, Lake Murray to Sweetwater, Spec. 622
Contract Value: $28,570,000
Contract Duration: 390 Calendar Days
Estimated Start Date – October 2017
Relining of approx. 23,000 feet of an existing untreated 69” & 66” diameter PCCP; Relining approx. 120 feet of previously relined 65” PCCP; fabricating, setting, and welding 66”, 63”, & 62” outside diameter welded steel liner sections through 17 access portals; grouting annular space behind installed liner sections; field applying cement mortar lining; installing 17 portals to access the existing 69” & 66” pipe; environmental fencing; SWPPP; clearing and grubbing; dewatering; traffic control; sound walls; cathodic protection; demolishing flow control facilities and buildings; installing bulk heads at San Diego 4, San Diego 13 and Helix 3 Flow Control Facilities; and other appurtenant work.