Clackamas County
Bid Date: 12/19/2024 at 02:00pm
Pre-Bid: 12/10/2024 @ 10:00am
Estimate: $7,900,000.00
Trades: *General Engineering Contractor GEC: Heavy & Civil Engineering Construction, Infrastructure; Opportunities for Subcontractors
The work to be performed under these specifications and drawings consists of modifications to an existing pump station, an existing diversion structure, and at an existing wastewater treatment facility. The work at the IT2 pump station includes establishing erosion and sediment control; establishing a bypass of the pump station; demolition of a section of existing 20” yard piping; demolition of existing asphalt and concrete in the station parking lot; demolition of storm sewer piping; installation of new permanent force main intertie piping and vault; installation of a new permanent pigging port, flow meter and vault; new surge valve and expansion of existing surge vault; new yard piping and valves; new storm sewer piping and two manholes; new pump, valves and process piping; new level sensors in the wet well; new controls and electrical equipment; new station parking lot asphalt; new generator; new hoist and rail for pump room; new hoist on the building roof. The work at the diversion structure includes establishing erosion and sediment control; establishing a bypass of the diversion structure; demolition of the 54” pipe upstream of the diversion structure; relocation/demolition of structures adjacent to the diversion structure, a shed and a fence; new level sensors in the diversion structure; new controls and electrical equipment; expansion of the existing diversion structure including a new concrete chamber, upsized piping, new manhole, two weirs installed in the existing structure and actuated flow control gates. The WORK at the Tri-City WRRF includes upsizing yard piping that connects into the existing influent pump station wet well from 24” to 30” and upsizing a flow meter to 30”. Prevailing wages.
Ryan Rice
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Owner: County of Clackamas OR
Published 12/04/2024 on Construction Bid Source
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