Closed Solicitation · DEPT OF DEFENSE
AI Summary
The U.S. Army Corps of Engineers (USACE), Seattle District, is soliciting bids for the rehabilitation of the Chief Joseph Dam Powerhouse drainage and unwatering sump pumps and controls. The project, set to be completed by October 15, 2024, involves significant work including the replacement of existing pumps, motors, piping, and control systems, as well as the installation of new equipment. Additional tasks include the demolition of various structural components, cleaning of existing systems, and the installation of new access features such as ladders and platforms. Key components of the project include the design and installation of three 75HP
OVERVIEW: The U.S. Army Corps of Engineers (USACE), Seattle District, requires rehabilitation of the Chief Joseph Dam Powerhouse drainage and unwatering sump, pumps, motors, and controls. The work includes replacement of piping and valves, installation of new pumps, controls and removal of the existing pumps and controls. Incidental work includes replacement of a jib hoist, installation of a monorail hoist, replacement of sump lighting, and improvements to the sump access, including removal of existing and installation of new ladders, platforms, and hatches. The following is a list of the major items of work included in the scope of work. The work includes but is not limited to the following modifications to the existing components and systems:General Work1. Mobilization and Demobilization2. Demolish Pumps and Piping3. Demolish Control Systems and Breakers4. Demolish platforms, ladders, hatches, concrete, and structural systems for the tailrace discharge valve, drainage sump access, unwatering sump access, pump discharge valve support catwalk, and dry sump discharge valve access. 5. Clean unwatering pipes and dispose of waste material.6. Clean sump and dispose of waste material.Mechanical Systems Work1. Design, fabrication, installation, and testing of three 75HP vertical turbine pump assemblies including motor, mounting, sole plate and grout pad, vacuum breaker, packing gland, column shafting, bowls, and impellers.2. Replace isolation and check valves, piping, and pipe connections in both the dry and wet sumps.3. Design, fabrication, installation and testing of submersible pump cross sump transfer system including rail mounting system. 4. Install monorail and hoist for supporting access and maintenance to the cross-sump transfer.5. Replace dry sump drainage system including piping and a submersible pump.6. Replace 16? flow control piping and supports in unwatering sump.7. Remove and replace jib hoist and associated equipment and systems to uprate capacity.Controls Work1. Supply, Installation and commissioning of comprehensive pump control systems including relays, terminal blocks, and circuit breakers, soft starters, ultrasonic level sensors, resistance temperature detectors, machine condition monitoring, and float switches for new pumps, equipment, and systems.Structural Work:1. Design, Fabricate, Install platforms, ladders, hatches, foundations, and structural systems. 2. Furnish all labor, equipment, and materials to design and provide seismic restraints for new systems and equipment. 3. Concrete coring for new pipes through existing sump walls.The magnitude of this construction contract cost is between $5,000,000 and $10,000,000. A Request for Proposal (RFP) will be issued to interested contractors using the Best Value Trade-off (BVTO) method for trade-offs between non-price factors and price. The resulting contract will be a Fixed-Price Contract, representing full payment for the clearly defined work. Please refer to attached solicitation for complete details.
CHIEF JOSEPH DAM POWERHOUSE SUMP PUMPS AND CONTROLS is a federal contract award from DEPT OF DEFENSE. Review the award details including the awardee, contract value, and NAICS code.
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