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$80M Bridge Rehab Up for Bid

Wednesday, June 24, 2015

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PITTSBURGH--Contractor proposals are being accepted for the rehabilitation of Pittsburgh's Liberty Bridge—a project estimated at $75 million to $85 million.

Bids are due June 25.

Scope of Work

The 87-year-old Liberty Bridge is a 26-span, 2,663 foot-long cantilever viaduct structure over the Monongahela River.

The rehabilitation project involves cleaning and coating all structural steel surfaces on the bridge and approaches.

Scillystuff / CC by SA 3.0

Rehabilitating the 87-year-old Liberty Bridge is expected to cost $75 million to $85 million.

The steel will be abrasive blast-cleaned to a Near White finish (SSPC-SP 10), tested for soluble salt with chloride remediation as needed, and recoated with a three-coat organic zinc-epoxy-urethane system.

The bridge's existing coatings contain hazardous materials such as lead, cadmium, chromium and hexavalent chromium, which will be disturbed and removed during surface preparation.

Containment according to SSPC-Guide 6 and waste disposal according to Guide 7 will be required.

The work will also include application of an acrylic coating to 7,880 square feet of concrete retaining wall surfaces. The contractor will provide 5,332 square yards of penetrating sealant protective coating application for reinforced concrete superstructure and substructure surfaces.

The project also includes 3,901 square yards of epoxy resin protective coating application and coating of existing galvanized sign structures.

Reported by Paint BidTracker, a construction reporting service devoted to identifying contracting opportunities for the coatings community. Try PaintBidTracker free!

   

Tagged categories: Bidding; Bridges; Containment; Government contracts; North America; Paint BidTracker; Program/Project Management; Project Management; Rehabilitation/Repair

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