Request for Proposal

Grinder Pump Stations 1-4 Replacement

RFP Status

RFP: Closed

RFP Number

Grinder Pump Stations 1-4 Replacement

Start Date


Close Date


Project Description

Project 2022-01 Grinder Pump Stations 1-4 Bid Tabulation

The project consists of the following work:

Rehabilitation of the District owned Grinder Pump Stations 1 through 4 located along the shore of Lake Washington within the City of Kirkland. Upgrades to each of the four stations in order to retrofit the existing 36-inch diameter fiberglass wet wells as shown on the Plans and specified herein includes, but is not limited to, demolition of the existing components of the stations, furnishing and installing piping, fittings, valves, check valves, valve boxes, instrumentation, electrical equipment and accessories, and electrical pad and mounting rack, as well as installation of District procured submersible grinder pumps, base elbow and guide rail system, float switches, and control panels.

This project also includes site restoration and landscaping.

Each grinder pump station site is within an existing easement on private lakefront property with limited accessibility for large equipment and motor vehicles. The means and methods for mobilization of materials and equipment to each site shall be at the option of the Contractor. Hand digging and/or barging in equipment may be necessary for completion of the work shown on the Plans and as described in the Specifications.

Approximate locations of the proposed improvements are shown on the project construction plans.

The engineer’s construction cost estimate is $660,200.00 including sales tax.

Free-of-charge access to project bid documents (plans, specifications, addenda, and Bidders List) is provided to Prime Bidders, Subcontractors, and Vendors by going to and clicking on “Posted Projects”, “Public Works”, and “Northshore Utility District”.  This online plan room provides Bidders with fully usable online documents with the ability to: download, view, print, order full/partial plan sets from numerous reprographic sources, and a free online digitizer/take-off tool.  It is recommended that Bidders “Register” in order to receive automatic email notification of future addenda and to place themselves on the “Self-Registered Bidders List”.  Bidders that do not register will not be automatically notified of addenda and will need to periodically check the on-line plan room for addenda issued on this project.  Contact Builders Exchange of Washington at (425) 258-1303 should you require assistance with access or registration.

Each bid must be submitted on the “Proposal” forms provided in Section 5 of the “Specifications, Proposal and Contract Documents” and shall be accompanied by a bi proposal deposit in the form of a surety bond, postal money order, cashier’s check or certified check made payable to King County Treasurer, King County, Washington for a sum of not less than 5 per cent of the total bid.  A bid shall not be considered unless accompanied by such bid proposal deposit.


A contract, if awarded, will be based upon the lowest responsive and responsible bid or bids as defined in more detail in the bid documents.

Northshore Utility District reserves the right to reject any and all bids, to delete portions or all of the work, to substitute alternative bid item prices for base bid item prices, to waive any informality in bidding, and to make the award deemed to be in the best interest of the District.

Proposals received after the time announced for the opening will not be considered.  No bidder may withdraw its bid after the time announced for the opening or before the award and execution of the contract(s) unless the award is delayed for a period exceeding sixty (60) calendar days.

Notice is hereby given that Northshore Utility District (“District”) will receive sealed bids for the following construction project. Bids will be received at the District office, located at 6830 – NE 185th Street, Kenmore, Washington, by mail or other courier up to the hour of 2:00 PM on Tuesday, November 29, 2022, after which all bids will be publicly opened and read to determine the apparent lowest bidder. The public bid opening will be conducted remotely and bidders may attend the Bid Opening online by using the following link or by dialing into the conference call at the phone number listed below:

Or Call-in phone number: 1 253-328-7749
Phone Conference ID: 273 208 145#
Please contact the District’s IT Department at 425-521-3714 if you experience any issues.