Project Information

Bid Title

Holden Natural Drainage System (NDS)

Issuing Agency

City of Seattle

Location

Washington

Published Date

Aug 20, 2025

Closing Date

Sep 10, 2025

Government Level

State & Local

Status

Closed

Ref. #

PW#2024-051

Original Source

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Bid Documents

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Project Description

Project ID: PW#2024-051

Title: Holden Natural Drainage System (NDS)

Addenda: 0

Release Date: 8/20/2025

Due Date: 9/10/2025

Post Information

Posted At:Wed, Aug 20, 2025 7:00 AMSealed Bid Process:Yes (Bids Sealed / Pricing Sealed)Private Bid:No

Overview

Summary

Project Description: This Project will provide water quality treatment for street runoff by retrofitting the roadsides with bioretention treatment systems. This Project consists of the following elements of Work including but not limited to: construction stormwater erosion control (submittal, implementation, and maintenance of the Construction Stormwater Pollution Prevention plans (CSECP/SWPPP, TVSPP, SP, & TDP)); health and safety plan; clearing and grubbing; demolition and removal of existing surface pavement, sidewalks, and curbs; excavation; temporary traffic control plan and implementation, including flagging; site preparation and staging; survey; removal and abandoning existing drainage structures and piping; dewatering; temporary stormwater bypass; protection, relocation, and/or adjustments of existing utilities, including water and gas services; reconnection to the existing drainage system; installation of new surface drainage systems, including storm drainage piping, drainage structures, bioretention cells, and modular structural soil cell tree facilities; flow testing; assist SPU crews with water service and meter box relocations/adjustment; television inspections; and final site restoration, including surface paving, pavement markings, sidewalks, curbs, driveway, curb ramps, final planting, and landscape construction.

Engineer's Estimate: $1,178,000.00

Project Location: This Project is located in the City of Seattle (COS) on SW Holden St between 16th Ave SW and 18th Ave SW.

Timeline

Release Project Date:

August 20, 2025

Pre-Bid Site Inspection #1 (Bidder must attend at least one mandatory meeting):

August 27, 2025, 10:00am

Intersection of SW Holden St and 16th Ave SW

Pre-Bid Site Inspection #2 (Bidder must attend at least one mandatory meeting):

August 28, 2025, 10:00am

Intersection of SW Holden St and 16th Ave SW

Question Submission Deadline:

September 4, 2025, 5:00pm

Bid Open Date:

September 10, 2025, 2:00pm

Commodity Codes

• NAICS 237110Water and Sewer Line and Related Structures Construction
• NAICS 238910Site Preparation Contractors
• NAICS 238990All Other Specialty Trade Contractors

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