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  5. ›Columbia Point Marina Shoreline Retaining Wall Repair

Awarded contract·City of Richland·Washington

Columbia Point Marina Shoreline Retaining Wall Repair

Won by Siefken & Sons Construction, Inc +10 more$348kMultiple Award
Contract source

Awarded vendors

  • Siefken & Sons Construction, Inc
  • Ellison Earthworks LLC
  • Triple River Construction LLC
  • East Slope Earthworks LLC
  • R W Lockwood Construction Inc
  • JJH Earthworks LLC
  • DGR Grant Construction Inc
  • Goodman & Mehlenbacher Ent Inc
  • DW Excavating Inc
  • ESF Development, LLC
  • Granite Construction Co

Description

The City of Richland is seeking bids for the Columbia Point Marina Shoreline Retaining Wall Repair project. The project includes the demolition of an existing failed basalt column shoreline retaining wall and replacement with a new mechanically stabilized earth precast concrete modular block wall with geogrid reinforcement. The work also includes appurtenant traffic control, wall drains, backfill, handrailing, asphalt and concrete pavement surface restoration, and other incidental work. The engineer's estimate for the project is $348,000. The bid submission date was November 4, 2025, at 5:00 PM EST. • The project is located in Richland, Washington. • The project includes the demolition and replacement of a shoreline retaining wall. • The project also includes appurtenant traffic control, wall drains, backfill, handrailing, and pavement surface restoration. • The engineer's estimate for the project is $348,000. • The bid submission date was November 4, 2025, at 5:00 PM EST.

Attached files

Key dates

Last updated

Details

Award type
Multiple Award
Procurement
Full and Open Competition
Industry
Construction
NAICS
237990
Solicitation №
25-0096

Contract value

$348,000

The engineer's estimate for the project is $348,000. However, the bids submitted by the vendors range from $281,683.98 to $564,989.99. Based on this information, it is difficult to determine the exact value of the contract, but it is likely to be around $300,000 to $500,000.

AI estimate from the award documents

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