22-016
Process Piping BOLLMAN WATER TREATMENT PLANT CHEMICAL STORAGE IMPROVEMENTS, PHASE 2 AND SEISMIC STRENGTHENING
STRUCTURAL CONCRETE
Temporarily removing sludge collector equipment; demolishing embedded pipe supports and existing chemical tanks. Demolishing concrete supports for existing tanks; removing pipe supports, chemical piping, valves, fittings, control panels, and instrumentation. Remove abandoned pipes and electrical conduits. Constructing concrete beams and columns for launder column bracing. Furnishing and installing safety railings. Repairing and patching concrete walls. Installing seals around existing pipe and conduit penetrations. Reinstalling existing sludge collector equipment Constructing new chemical tank pedestals and anchors. Furnishing and installing chemical piping, fittings, valves, pipe supports, control panels, and instrumentation, and reinstalling existing chemical tanks. Installing trench drains and storm drain pipes. Repurposing existing conduits and conductors. Furnishing and installing new lining and applying exterior coating on existing chemical storage tank. Furnishing and applying chemical resistant coating on existing concrete. Testing, startup, and re-commissioning of existing equipment that a part of the work; and providing training to District staff for new equipment.
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