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SCWQP: Tunnel Effluent Pump Station – Ballard Conveyance

Walsh Construction Company II, LLC is requesting quotes from subcontractors and suppliers for the following:

SCWQP: Tunnel Effluent Pump Station – Ballard Conveyance

Owner: City of Seattle

MBE/WBE Goals:

  • 10% Minority Business Enterprises (MBEs)
  • 6% Women’s Business Enterprises (WBEs)

Bid Date: March 22, 2023 at 2:00 PM PST

Subcontractor and supplier quotes requested 24 hours prior to bid date on March 21, 2023

Bids can be emailed to:

Project Description: Construction of the Tunnel Effluent Pump Station (TEPS), Facility Building, and

associated site and right-of-way improvements at and adjacent to the TEPS Site;

Construction of roughly 2,200 LF of conveyance piping to include 1,932 LF of 60”

diameter fiber reinforced polymer pipe installed using microtunneling, a diversion

structure, maintenance shafts (holes), and associated site and right of way

improvements at the Ballard Conveyance Site.

Demolition and reconstruction of flow diversion structures to allow flow into the storage

tunnel at the 11th Ave Shaft Site, Fremont Shaft Site, 3rd Ave Shaft Site, and Wallingford

Conveyance Site.

Subcontract/Supplier Opportunities Include (But Not Limited to): Concrete, Metals, Wood/Plastics/Composites, Thermal & Moisture Protection, Openings, Finishes, Signage, Furnishings, Conveying Equipment, Fire Suppression, Plumbing, HVAC, Electrical, Communications, Earthwork, Exterior Improvements, Utilities, Railroad Track Construction, Piping, Process Gas & Liquid Handling, Purification & Storage Equipment, Pollution & Waste Control Equipment.

Walsh Construction Company II, LLC encourages bids from all subcontractors and suppliers including Disadvantaged Business Enterprises (DBE) or Minority/Women Business Enterprises (M/WBE) or Minority, Small, Veteran, Disabled Veteran & Women Enterprises (MSVWBE) for any item of work, portion of an item, or combination thereof.  If you require information regarding assistance in obtaining bonding, insurance, credit, equipment, supplies, materials or related service please call our office at (206) 394-7300.

Plans & Specifications can be viewed at

Walsh Construction Company II, LLC is an Equal Opportunity Employer.

Closing Date: 
Wednesday, March 22, 2023
Walsh Construction Company II, LLC
Point of Contact: