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Bid Number: GC2022-067
Bid Title: Westshore Biofilter Project
Category: Engineering Department
Status: Awarded
Additional Status Information: Apparent Low Bidder: POW Contracting
Bid Recipient: POW Contracting


Estimated Project Cost: $125,000 to $225,000

Contract Working Days: 35

This project consists of the installation of a forced air biofilter, biofilter blower, electrical control panel installation, concrete pad, fence, 6-inch C-900 PVC underground air duct connection to a nearby 48-inch wastewater manhole, drain connection to the manhole, air inlet structure installation, reduced pressure backflow assembly, and water service connection to the biofilter assembly including two 2-inch gate valves and non-freeze post hydrant. The 48-inch manhole will also be rehabilitated. The rehabilitation work includes pressure washing the existing manhole, installing an approved non-shrink grout to manhole joints, invert repair if necessary, and installing an approved manhole lining system to the manhole totaling approximately 33 vertical feet of lining material. Wastewater bypass pumping and traffic control will be required. 

Publication Date/Time:
9/12/2022 8:00 AM
Publication Information:
MRSC/Small Works Roster
Closing Date/Time:
Open Until Contracted
Submittal Information:
Bid Opening November17, 2022 at 2:00 PM
Bid Opening Information:
321 S Balsam St, Moses Lake WA
Contact Person:
Mark Beaulieu, P.E.; 509.764.3776;
$50.00 for paper copy
Plan & Spec Available:
Plans and specifications shall be obtained via the Civic Center Annex at 321 S Balsam St, Moses Lake WA 98837
Business Hours:
7:30 a.m. - 4:00 p.m.
Plan Holders List:
Attached as a related document, call to request, (509)764-3786, or email request to
All bids shall be received before said opening time in sealed envelopes with WESTSHORE BIOFILTER PROJECT marked plainly thereon.

All bids shall be accompanied by a deposit in the form of a postal money order, cashier's check, or bond in an amount equal to 5 percent of the maximum total of the bid.

All bidders shall be on the MRSC Small Works Roster prior to bid opening. Only bids from bidders who have received plans and specifications VIA the Civic Center Annex will be accepted. Copies of plans and specifications are on file for review at the Engineering projects website.

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