Marquam Sand Shed and Retaining Wall Project

Clackamas County is seeking bids for the Marquam Sand Shed and Retaining Wall Project (Bid #2025-35), a public improvement contract located at 9324 S Wildcat Rd in Molalla, Oregon. The project involves comprehensive site development, including site clearing, grading, excavation, and installation of approximately 255 linear feet of eco-block retaining wall in varying heights, along with constructing a 60x100x9 foot pole-barn style sand shed. Detailed structural engineering calculations have been completed using the 2022 Oregon Structural Specialty Code and 2021 International Building Code, addressing complex loading scenarios including wind (98 mph), snow load (25 psf), and seismic design considerations. Bids are due electronically through Bid Locker on April 30, 2025, at 2:00 PM Pacific Time, with project substantial completion targeted for November 1, 2025, and final completion by November 15, 2025. The engineer's estimated project value is $350,000, and the contract will be awarded to the lowest responsive bidder who meets all technical and regulatory requirements.

The procurement specifically encourages participation from Historically Underrepresented Businesses, including state-certified minority, women, and emerging small businesses. Contractors must be registered with the Construction Contractors Board and provide proof of worker's compensation coverage. Bidders are required to perform a Good Faith Effort to contact and include subcontractors from underrepresented business categories, submitting detailed documentation with their bid package. Prevailing wage rates will apply to the project, and Clackamas County will provide 120V power, while the contractor is responsible for establishing potable water and sanitation services. The project site is a 5-acre property covering 217,815 square feet, with the new sand shed designed to meet rigorous structural integrity standards for potential sand storage and environmental conditions. Successful bidders must demonstrate technical expertise in pole-barn construction, retaining wall installation, and compliance with all local and state building regulations.