Project Information

Bid Title

McCorkle Creek Detention Structure Phase 2

Issuing Agency

County of Cowlitz

Location

Washington

Published Date

Nov 10, 2025

Closing Date

Nov 25, 2025

Government Level

State & Local

Status

Closed

Original Source

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Bid Documents

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Project Description

Bid Title:	McCorkle Creek Detention Structure Phase 2
Category:	Diking District
Status:	Open

Description: Providing all materials and labor to raise the existing earthen detention structure approximately 15-feet and construct an approximately 200 foot long by 75 foot wide reinforced concrete spillway, a 12-foot x 10-foot by 40-foot tall reinforced concrete slide gate structure, reinforced concrete low flow inlet structure, reinforced concrete flow control outlet structures, 305 linear feet of 48-inch diameter ductile iron pipe, approximately 1,500 linear feet of gravel access road, 125 linear feet of 12-inch diameter HDPE pipe, plug and abandon 160 linear feet of existing 36-inch storm pipe, chimney drains, staff gauge, erosion and water pollution control, site restoration, and all other work as specified herein and as shown on the drawings. All construction work is to be completed within 400 working days. Publication Date/Time: 10/6/2025 4:00 pm Closing Date/Time: 11/25/2025 2:00 pm Related Documents: CALL FOR BIDS Appendix F Geotechnical Data Report Appendix I McCorkle Phase 2 Drawings McCorkle Creek Phase 2 Contract Documents Addendum No. 1 - McCorkle Crk Detention Structure Phase 2 Pre-Bid Attendees Addendum-No-2---McCorkle-Crk-Detention-Structure-Phase-2

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CALL FOR BIDS

The Lexington Flood Control Zone District (Contracting Agency) will receive sealed bids until

November 18, 2025, prior to 2:00 p.m., for the following work: SOUTH FORK McCORKLE CREEK

DETENTION STRUCTURE PHASE 2 MODIFICATIONS.

At that time, all bids will be publicly opened and read. Bids must be addressed to:

Lexington Flood Control Zone District

Patrick Harbison, PE – Diking Engineer

1600 13th Avenue South

Kelso WA 98626

All bids shall be labeled as SOUTH FORK McCORKLE CREEK DETENTION STRUCTURE PHASE 2

MODIFICATIONS BID.

Bids may not be submitted electronically. Bidders shall deliver or mail original bid documents

before the bid opening.

Work to be performed under this contract consists of the following:

Providing all materials and labor to raise the existing earthen detention structure

approximately 15-feet and construct an approximately 200 foot long by 75 foot wide reinforced

concrete spillway, a 12-foot x 10-foot by 40-foot tall reinforced concrete slide gate structure,

reinforced concrete low flow inlet structure, reinforced concrete flow control outlet structures,

305 linear feet of 48-inch diameter ductile iron pipe, approximately 1,500 linear feet of gravel

access road, 125 linear feet of 12-inch diameter HDPE pipe, plug and abandon 160 linear feet

of existing 36-inch storm pipe, chimney drains, staff gauge, erosion and water pollution control,

site restoration, and all other work as specified herein and as shown on the drawings. All

construction work is to be completed within 400 working days.

Project bid documents (Plans, specifications, addenda, bid documents) for this project are

available online for inspection, download and printing on your own equipment during the bidding

period at the following link: www.co.cowlitz.wa.us/1655/Diking-Districts.

A mandatory pre-bid meeting will be held on site at the end of Sparks Drive, Kelso, Washington,

on Tuesday, October 28, 2025 at 1:30 p.m.

It is the sole responsibility of the Bidder to obtain Addenda, if any. Addenda information will be

available on Cowlitz County’s website at www.co.cowlitz.wa.us/1655/Diking-Districts. The

Contracting Agency accepts no responsibility or liability and will provide no accommodation to

bidders who fail to check for addenda and thereby submit inadequate or incomplete responses.

The Lexington Flood Control Zone District (Contracting Agency) will not provide paper copies of

the Project bid documents for this project for bidding purposes. A copy of the plans and

Call for Bids

South Fork McCorkle Creek Detention Structure Phase 2 Modifications – Project No. 2926

Page 1

Commodity Codes

• NAICS 237990Other Heavy and Civil Engineering Construction

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