Mayfair Park - Retaining Wall & Staircase Replacement

Agency: City of Seattle
State: Washington
Type of Government: State & Local
NAICS Category:
  • 236220 - Commercial and Institutional Building Construction
  • 237310 - Highway, Street, and Bridge Construction
  • 237990 - Other Heavy and Civil Engineering Construction
  • 238110 - Poured Concrete Foundation and Structure Contractors
  • 238190 - Other Foundation, Structure, and Building Exterior Contractors
  • 238910 - Site Preparation Contractors
  • 238990 - All Other Specialty Trade Contractors
Posted Date: May 21, 2025
Due Date: Jun 11, 2025
Solicitation No: PW#2020-023
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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
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