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Projects

1420 New York Avenue

Plano Coudon Construction

Project Details

Location:   

1420 New York Ave. NW Washington, D.C.

Scope:   

Concrete Restoration, Urethane Injection, Waterproofing, Structural Steel Repair

SGS performed a variety of repairs on this project. These included removal and replacement of sidewalk pavers, sidewalk waterproofing repairs, repair of below grade horizontal concrete slab, installation of a new stone cap, vertical and overhead concrete beam repairs, rebar repair and replacement, areaway waterproofing, new concrete slabs inside building vaults, large interior grout curtain installation, and urethan injections.

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Scope:

Concrete restoration and epoxy injections

935 Pennsylvania Avenue NW, Washington DC

SGS, in conjunction with J.F. Brinker, performed partial and full-depth concrete repairs to the parking decks. The scope included saw cutting large areas of the slabs, installing shoring and formwork, installing new rebar, and pouring the slab areas back. Additionally, epoxy injections were performed into cracks within the structure.

J. Edgar Hoover FBI Building

(GSA) General Services Administration

Scope:

Concrete restoration, concrete strengthening (FRP – Fiber Reinforced Plastic), fireproofing

6401 Security Boulevard, Baltimore, Maryland

SGS worked as a subcontractor for Hensel Phelps to perform interior and exterior restoration work at the historic 10-story Arthur J. Altmeyer Building on the Social Security Administration campus in Woodlawn, Maryland. The work included interior and exterior concrete rehabilitation, concrete strengthening with FRP, and fireproofing.

Arthur J. Altmeyer Building Renovation

Hensel Phelps