tunnel liner repairs at 10 locations within the San Diego Pipeline No. 1 Rainbow Tunnel including grout curtain wall injection, surface preparation, temporary ventilation, concrete removal and replacement, and all other appurtenant work as specified and shown on the drawings.
Tunnel: The approximate 970 feet long tunnel will have a 14 feet inside diameter tunnel with a 12-inch abrasion resistant reinforced concrete liner. The tunnel heading shall be from the downstream portal. The upstream portal shall be constructed integral to the control tower. The portals and portions of the tunnel extending below the dam footprint shall be mechanically excavated.d.
loop Provide 2 glass liners to shoot, both will be shot from opposite ends of pipe toward middle to meet in center Provide Â1⁄4 steel plate to place on concrete tunnel for future access Backfill to existing grade Glass liner to be rated to withstand temperatures up to 350 degrees Provide warranty of no less than 10 years for liner Provide warranty of no less than 2 years on work performed Location: Work is to be performed on the Alexandria VA campus
Concrete Pipe Post Date: Concrete Pipe 07/01/23 Due Date: 12/31/23 Address: 1015 Pithon StreetP.0. Box 1583 Lake Charles, LA 70602 Contact: (337) 721-3500
Concrete Pipe Post Date: Concrete Pipe 01/01/23 Due Date: 06/30/23 Address: 1015 Pithon StreetP.0. Box 1583 Lake Charles, LA 70602 Contact: (337) 721-3500
Fabricate, supply and deliver pre-cast concrete bridge elements. Contract duration The estimated contract period will be 1 month(s).
Bid Title:Sealed Bid 2023 Concrete Project Category:Public WorksStatus:OpenBid Recipient:Public Works Department Description: Sealed bids will be received for the 2023 Concrete Project until 2:00pm local time on the 30th day of June, 2023, at City Hall, 300 N.
