West Des Moines Ionwave #0510-066-2024

Helical pier installation for Public Safety Station 17 structural repairs

The City of West Des Moines seeks a contractor to stabilize Public Safety Station 17 with engineered helical piers. - Government buyer: City of West Des Moines, Iowa; City Clerk’s Office and Engineering Services. - Scope: Furnish labor, equipment, and materials to install helical piers along the building’s south façade, including excavation and backfilling. The station is at 1401 Railroad Avenue and will remain occupied and operational. - Products and quantities: Helical piers; quantity and part number are not specified. No OEM or manufacturer is named. - Key requirements: The system must provide at least 15-kip compression and 15-kip tension capacity, with settlement limited to 1 inch total and 1/2 inch differential. Piers must be hot-dip galvanized and meet specified ASTM material standards. Installation equipment must be calibrated and continuously measure torque; approved design submittals, inspection coordination, and installation records are required. - Site constraints and exclusions: Staging is limited to the north parking lot and the first garage bay on the east side; the other four bays must remain unobstructed. Floor leveling, carpet, landscaping, paving, and brick replacement are excluded. - Value and warranty: Probable construction cost is $29,500. The specifications include a one-year manufacturer warranty for pier materials and workmanship, a five-year general contractor system warranty beyond substantial completion, and a one-year maintenance guarantee after acceptance.

Description

The City of West Des Moines is seeking bids for structural repairs at Public Safety Station 17, located at 1401 Railroad Avenue. The work includes furnishing labor, equipment, and materials to install helical piles along the south building façade, including required excavation, in accordance with the City’s plans and specifications. The station will remain occupied and operational during construction; work must commence within 10 days of written notice to proceed and be completed by April 23, 2027. Bids are due electronically by November 18, 2026, and must include bid security equal to 10% of the total bid.

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