Project Information

Bid Title

Mayfair Park - Retaining Wall & Staircase Replacement

Issuing Agency

City of Seattle

Location

Washington

Published Date

May 21, 2025

Closing Date

Jun 11, 2025

Government Level

State & Local

Status

Closed

Ref. #

PW#2020-023

Original Source

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Bid Documents

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Project Description

Project ID: PW#2020-023

Title: Mayfair Park - Retaining Wall & Staircase Replacement

Addenda: 0

Release Date: 5/21/2025

Due Date: 6/11/2025

Post Information

Posted At:Wed, May 21, 2025 10:36 AMSealed Bid Process:Yes (Bids Sealed / Pricing Sealed)Private Bid:No

Overview

Summary

Project Description: This is a major maintenance project to replace existing timber walls, stairways and light pole bases which need replacement. Base Bid - Construction of new mechanically stabilized earth (MSE) and concrete retaining walls, code compliance upgrades, landscape improvements, tree removal and replacement, light pole removal and replacement, site drainage. Bid Additive #1 - demolition of existing timber retaining walls, site grading, stairway removal and replacement. Site is in an environmentally critical area (ECA) with naturally steep slopes.

Engineer's Estimate: Base Bid: $740,884.92 Additive #1: 385,234.61

Project Location: 2600 2nd Ave N, Seattle, WA 98109

Timeline

Release Project Date:

May 21, 2025

Pre-Bid Meeting #1 (Mandatory for bidders to attend at least one of the two pre-bid meetings):

May 27, 2025, 10:00am

MAYFAIR PARK, 2600 2nd Ave N, Seattle, WA 98109

Pre-Bid Meeting #2 (Mandatory for bidder to attend at least one of the two pre-bid meetings):

May 29, 2025, 2:00pm

MAYFAIR PARK, 2600 2nd Ave N, Seattle, WA 98109

Question Submission Deadline:

June 4, 2025, 5:00pm

Bid Open Date:

June 11, 2025, 2:00pm

Commodity Codes

• NAICS 236220Commercial and Institutional Building Construction
• NAICS 237310Highway, Street, and Bridge Construction
• NAICS 237990Other Heavy and Civil Engineering Construction
• NAICS 238110Poured Concrete Foundation and Structure Contractors
• NAICS 238190Other Foundation, Structure, and Building Exterior Contractors
• NAICS 238910Site Preparation Contractors
• NAICS 238990All Other Specialty Trade Contractors

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