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Last Updated 12/11/2020 02:54 PM
Project Title

Z--Orpi Replace CG Sewer Lagoon Liners

Physical Address View project details and contacts
City, State (County) Ajo, AZ 85321   (Pima County)
Category(s) Heavy and Highway
Sub-Category(s) Shoreline/Erosion/Drainage
Contracting Method Competitive Bids.
Project Status Results
Bids Due View project details and contacts
Estimated Value
Plans Available from
Owner View project details and contacts
Architect View project details and contacts
Description

The work will consist of the removal of the existing waste water lagoon liners, underlying venting system, ballasts, vents; regarding the bottom of both lagoons to a 2% slope, preparation and compaction of lagoon bottom and berms, installation of a new geocomposite layer, installation of new textured 60 mil HDPE liners with sand tubes/ballasts, pipe boots, anchor trenches and berm vents, reinstallation of existing ductile iron discharge pipes into the lagoons, installation of new pipe supports for discharge pipes, installation of new concrete splash pads for the discharge pipes, installation of safety ropes and new lagoon depth gauge, replacement of valves & valve boxes, and repair of cleanouts, and clearing vegetation from the unlined overflow lagoon.

Details

Division 31 - Earthwork, Erosion and Sedimentation Controls.
Division 33 - Utilities, Storm Drainage Utilities, Ponds and Reservoirs.
Division 35 - Waterway and Marine Construction, Shoreline Protection, Waterway Construction and Equipment.

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Project Documents
 Engineered Spec Sheet
 Architectural Plans
 Other Documents