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Reported 02/10/2022 12:00 AM
Project Title

Big Bend Depressing Air System

Physical Address View project details and contacts
City, State (County) Chamberlain, SD   (Brule County)
Category(s) Single Trades
Sub-Category(s) Mechanical
Contracting Method Competitive Bids.
Project Status Accepting Letters of Interest
Bids Due View project details and contacts
Estimated Value $500,000 to $1,000,000
Plans Available from Federal Agency
Owner View project details and contacts
Architect View project details and contacts
Description

Rehabilitation of the depression air compression system. This system is integral to Big Bend’s ability to operate in synchronous condensing mode, as it provides the compressed air required to depress the water level in the draft tube to a point below the turbine runners. There are currently four Ingersoll Rand XF-75 Rotary Screw air compressors, three being water cooled, and one being air cooled. The current compressors are rated for 315 CFM at 100 psi. It is anticipated for this requirement that two compressors will be retained and two will be replaced. The new compressors are to be rated at 150 hp and 812CFM at 115psi capacity.

Details

Division 22 - Plumbing, General Service Compressed-Air Systems.

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Prospective Bidders View project details and contacts
Project Documents
 Engineered Spec Sheet
 Architectural Plans
 Other Documents