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Last Updated 04/27/2023 09:34 PM
Project Title

Concourse C Temporary Air Handling Units

Physical Address View project details and contacts
City, State (County) Seattle, WA 98164   (King County)
Category(s) Single Trades
Sub-Category(s) HVAC
Contracting Method Competitive Bids
Project Status Results, Construction start expected June 2023
Bids Due View project details and contacts
Estimated Value $1,750,000 [brand] Estimate
Plans Available from Agency's Affiliate
Owner View project details and contacts
Architect View project details and contacts
Description

Project consist of installing two (2) variable air volume air handling units located on Concourse C roof to serve future tenant spaces. Demolition, roof openings, supports, curbs, roof walk pads with ramps, access, electrical and fire alarm services shall be provided to for complete installation. Air handling units components include supply fan, variable frequency drive, hot water heating coil, chilled water-cooling coil, filters, and economizer. Existing chilled water, heating water, fire sprinkler services, electrical, and fire alarm systems will be extended to air handling units. A booster pump will be provided for chilled water service. Port standard DDC control (Siemens) will be provided for air handling unit and pump controls. Terminal units with heating coils and DDC controls to be provided by future tenants. The Engineers estimate range for this project is $1,125,000 - $2,250,000. The WMBE utilization goal is 6% for this contract. Install two, new, Air Handling Units (AHU) to support the build-out of tenant spaces and new restrooms on Concourse C. These units will be in place for 5-10 years until a different project replaces and upsizes all the AHUs on the concourse. The units will connect to existing ductwork, chilled water, and heating water systems on the roof of Concourse C. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.

Details

Division 23 - Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution, Central HVAC Equipment.

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