Project Information

Bid Title

Diablo Dam Access Road Crib Wall Replacement

Issuing Agency

City of Seattle

Location

Washington

Published Date

Oct 23, 2024

Closing Date

Nov 13, 2024

Government Level

State & Local

Status

Closed

Ref. #

PW#2024-001

Original Source

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Bid Documents

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Project Description

Project ID: PW#2024-001

Title: Diablo Dam Access Road Crib Wall Replacement

Addenda: 0

Release Date: 10/23/2024

Due Date: 11/13/2024

Post Information

Posted At:Wed, Oct 23, 2024 7:00 AMSealed Bid Process:Yes (Bids Sealed / Pricing Sealed)Private Bid:No

Overview

Summary

Project Description:

This Project consists of the following elements of Work:

• Mobilization/demobilization
• Project Submittals
• Traffic Control Plan, barriers, and devices
• Install BMPs
• Remove and reinstall existing jersey barriers
• Break up and remove select large boulders
• Shaft construction
• Install temporary wooden lagging
• Install new soldier pile wall (steel H columns and permanent concrete lagging)
• Install backfill behind new wall
• Remove existing wooden log crib wall (approximately 12’ x 40’)
• Excavation/removal in front of proposed wall
• Provide and install crib wall veneer
• Remove asphalt pavement and 12” of subgrade
• Repave access roadway pavement from State Route 20 to the Diablo Dam in the same location/elevation as existing pavement

Engineer's Estimate: $1.1 to $1.3 Million (before sales tax)

Project Location: This Project is located along the Diablo Dam Access Road, between State Route 20 Milepost 127.8 (North Cascade Highway) and the Diablo Dam. Diablo Dam is located approximately 130 miles north of Seattle in Whatcom County.

Timeline

Release Project Date:

October 23, 2024

Pre-Bid Meeting and Site Walk #1 (Mandatory for Bidders to attend at least 1 Pre-Bid Meeting and Site Walk) (Non-Mandatory):

October 31, 2024, 11:00am

Agenda

Diablo Rec Hall, Diablo, WA - See attached AGENDA file for map and directions - Agenda to be provided at the site. There will be a site walk at the Project Site after the pre-bid meeting. Bidders must attend and sign-in at both locations. There will be a 15-minute break between the pre-bid meeting and the site walk. Note: Please bring a safety vest to wear while walking around the Project Site.

Pre-Bid Meeting and Site Walk #2 (Mandatory for Bidders to attend at least 1 Pre-Bid Meeting and Site Walk):

November 5, 2024, 11:00am

Agenda

Diablo Rec Hall, Diablo, WA - See attached AGENDA file for map and directions - Agenda to be provided at the site. There will be a site walk at the Project Site after the pre-bid meeting. Bidders must attend and sign-in at both locations. There will be a 15-minute break between the pre-bid meeting and the site walk. Note: Please bring a safety vest to wear while walking around the Project Site.

Question Submission Deadline:

November 7, 2024, 5:00pm

Bid Open Date:

November 13, 2024, 2:00pm

Commodity Codes

• NAICS 237310Highway, Street, and Bridge Construction

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