Pipeline 4 Urgent Relining Under San Diego River (Specification No. 601)
Project consists of the construction of approximately 1,173 feet of 68-inch outside-diameter collapsed welded steel liner inside of the existing 72-inch inside diameter prestressed concrete cylinder pipe (PCCP) and install up to 96 feet of 75.5-inch inside diameter welded steel pipe at two access portals, one at each end of the reline project. Liners will be supplied by the Water Authority. Actual shutdown, draining, and filling of the pipeline will be performed by the Water Authority. The Water Authority will perform initial pumping to remove the majority of water from the bottom of the pipe, and make the interior of the pipe accessible to the Contractor no later than February 25, 2009 at 6:00 a.m. Contractor shall complete all work necessary to return pipeline back to service by 6:00 a.m. March 7, 2009. All other remaining work shall be completed prior to March 15, 2009. A pre-qualification process has already been completed for this project. Bids will only be accepted from the following prequalified contractors: CCL Contracting Inc.; James W. Fowler Co.; J.F. Shea Construction, Inc.; Kiewit Pacific Co.; L.H. Woods & Sons, Inc.; Spiniello Companies; Vadnais Corporation
