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2 SD Dam Rehab Projects Up for Bid

Friday, June 22, 2012

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The U.S. Army Corps of Engineers will accept bids June 27 for the multimillion-dollar rehabilitation of spillway gates at Fort Randall Dam and Big Bend Dam in South Dakota.

This is Phase 1 of a two-phase design-build Request for Proposal for projects at both locations. The Fort Randall contract is estimated at up to $10 million; Big Bend, up to $7.5 million.

 South Dakota’s Fort Randall Dam (left) and Big Bend Dam

 Carl Eliason (left); Keith Fink / US Army Corps of Engineers (right)

Flooding on the Missouri River in June 2011 prompted the opening of spillway gates at multiple dams, including South Dakota’s Fort Randall Dam (left) and Big Bend Dam.

Painting of the gate and associated features is considered the most critical aspect of these projects.

Painting Requirements

The painting subcontractor (or contractor, if performing the work) must show successful completion of similar projects using a vinyl (5-E-Z) painting system.

The work will include abrasive blasting of spillway gates and associated features to commercial blast, preparing the final surface to SSPC 5 (white metal), and applying a vinyl (5-E-Z) coating system with a zinc primer.

The contractor will be responsible for dewatering, if required.

The painting contractor must have SSPC QP-1 Certification and will be required to hire an independent third-party inspector that is NACE-CIP 3, PCS or SSPC-PCI 3 certified.

The existing coatings may contain lead; containment according to SSPC-Guide 6 will be required.

Big Bend Dam

The project at Big Bend Dam, in Chamberlain, SD, includes cleaning and recoating about 24,320 square feet of steel surfaces on eight spillway gates measuring 40 by 38 feet. The project  also includes spot-coating existing stoplog surfaces with a zinc-vinyl system.

About 1,520 square feet of paint will be required per side per gate, with additional quantities for other related features.

The Big Bend project office has one set of spillway stoplogs (16 total, each measuring 31 inches high by 42.5 feet wide). Only one gate can be isolated at a time, due to stoplog configurations.

Fort Randall Dam

The project at Fort Randall Dam, in Pickstown, SD, involves cleaning and recoating about 48,720 square feet of steel surfaces on 21 spillway gates that measure 40 by 29 feet. The project also includes spot-coating existing stoplog surfaces with a zinc-vinyl or epoxy system.

 Gracon Corp. blasted and painted spillway gates and installed a new hoist system at the Fort Randall Dam in 1995.

 Gracon Corp.

Gracon Corp. blasted and painted spillway gates and installed a new hoist system at the Fort Randall Dam in 1995.

About 1,160 square feet of paint will be required per side per gate, with additional quantities for other related features.

The Fort Randall project office has one set of spillway stoplogs (11 total, each measuring 37 inches high by 42.5 feet wide). Only one gate can be isolated at a time, due to stoplog configurations.

Other Requirements

For both projects, the contractor will have the option of fabricating temporary stoplog structures and/or working multiple shifts. Gates may not be taken off site.

The work will include visual Hydraulic Steel Structure (HSS) inspection of stoplogs and tainter gates, 3-D modeling and analysis utilizing STAAD.Pro software, non-destructive testing, structural repair design, welding (per AWS D1.5M/D1.5), corrosion repair, abrasive blasting, lead-based paint removal over/near water, wire rope replacement, concrete spall repair, gate seal replacement, concrete construction joint material replacement, cathodic protection removal and installation, and design and replacement of hoist controls and switches.

This work may be subcontracted out to other specialty contractors, as required.

About the Bid Process

In Phase 1 of the selection procedure, interested firms or joint ventures submit specified performance capability proposals, demonstrating their capability to execute the design-build construction contract.

Those proposals will be evaluated and up to four offerors short-listed to compete for the contract in Phase 2. Site visit information will be provided to the Phase 2 offerors, who will have 30 days to submit a proposal for subcontractors, project management plan, utilization of small business, and price.

Reported by Paint BidTracker, a construction reporting service devoted to identifying contracting opportunities for the coatings community. Visit us on Facebook!

   

Tagged categories: Air abrasive blast cleaning; Bidding; Containment; Lead; Locks and dams; NACE; Paint BidTracker; Rehabilitation/Repair; SSPC; U.S. Army Corps of Engineers

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