Projects & Photos – Construction

Concrete restoration, concrete strengthening (FRP – Fiber Reinforced Plastic), fireproofing
Arthur J. Altmeyer Building Renovation
6401 Security Boulevard, Baltimore Maryland
SGS working as a subcontractor for Hensel Phelps is performing interior and exterior restoration work at this historic 10-story building on the Social Security Administration campus in Woodlawn, Maryland. Work includes interior and exterior concrete rehabilitation as well as concrete strengthening (FRP) and fireproofing.

Concrete
FBI Training Academy – Firing Ranges 4/5 Renovation
Quantico, VA
SGS partnered with TMG to perform major renovation of a cafeteria facility located on the grounds of the FBI Training Academy. This project was in a secured facility and was completed on a strict deadline. While the demands initially seemed difficult, through collaboration and a team approach, SGS succeeded in meeting the timeline.

New concrete – footings and slabs
FBI Training Academy – ERF Cafeteria Renovation
Quantico, VA
SGS partnered with TMG to perform major renovation of a cafeteria facility located on the grounds of the FBI Training Academy. This project was in a secured facility and was completed on a strict deadline. While the demands initially seemed difficult, through collaboration and a team approach, SGS succeeded in meeting the timeline.

New concrete – elevator pit foundation
Dulles Airport – Air France Lounge Renovation
1 Saarinen Cir. Dulles, VA
SGS once again partnered with TMG to place an elevator pit and underground slab work for renovations of the Air France KLM Lounge.

Concrete restoration and epoxy injections
Edgar Hoover FBI Building
935 Pennsylvania Avenue NW, Washington DC
SGS working in conjunction with J.F. Brinker performed partial and full depth concrete repairs to the parking decks. To perform the full depth repairs, SGS crews saw cut large areas of the slabs and installed shoring and formwork. New rebar was installed, and the slab areas were poured back. Additionally, part of the scope was to perform epoxy injections into cracks within the structure.

New Concrete – elevator pit foundation, slab on metal deck, and stair pans
751 Miller Drive Interior Fit Up
751 Miller Drive, Leesburg VA
SGS installed an elevator pit with underpinning, new slab on metal deck, infilled stair pans, concrete pads for lockers, and infilled trenches for new plumbing.

Concrete, Masonry, Waterproofing
Annapolis Yacht Club- Whiting- Turner
2 Compromise Street,
Annapolis, MD
SGS took on the concrete, masonry, and waterproofing scopes for the full-scale restoration of the Annapolis Yacht Club. SGS prepped and poured footings, grade beams, slab on grade, columns, deck slabs and an elevator pit. SGS also completed the full masonry scope as well as exterior wall and elevator pit waterproofing.

Concrete
Catholic University of America- Whiting- Turner
620 Michigan Ave. NE,
Washington, D.C.
SGS is excited to partner once again with Whiting-Turner on the Maloney Hall restoration project. SGS prepped and placed footings, slab on grade, topping slabs, slab on metal deck, and ramp slabs, pouring in total excess of 500 yards of concrete.

FRP (Fiber-Reinforced Plastic) and Concrete Repair
Walter Reed Army Institute of Research- Turner Construction
9001 Brookeville Rd.,
Silver Spring, MD
SGS placed 10,000 square feet of FRP to structurally support new loads at WRAIR Building 511. Additionally, SGS performed concrete beam enlargement around beams that FRP could not support the new required capacity.

Concrete, Slabjacking, Grouting
Barry Farms Recreation Center / Whiting-Turner Contracting
1230 Sumner Road SE
Washington D.C.
SGS partnered with Whiting-Tuner at Barry Farms Recreation Center to complete a variety of scope items.
Tasks on this project included installing new concrete, concrete repair, steel column base grouting, slab jacking, storm water tank remediation, water filter installation, and concrete slab overlayment.

Slab Jacking
Cordoza High School – GCS Inc. 1200 Clifton Street NW Washington, DC
The concrete slab supporting the trash compactors had sunk about 4 inches because of voids below the surface. SGS raised the concrete slab to its original height so that it would lie flush with the adjacent concrete slab and retaining wall. Our crew pumped grout into various holes, filling the underground voids and raising the concrete slab to its original elevation.

Concrete Repair
Ron Brown College Preparatory High School- Saxon Collaborative Construction
4800 Meade Street NE,
Washington, D.C.
SGS completed approximately 25,000 square feet of overhead beams and spalling repairs. SGS formed overhead beams and pumped high strength grout as well as patched the overhead spalling repairs with Sika VOH.

Masonry and Concrete
Syphax Educational Center- Whiting-Turner
2110 Washington Blvd.,
Arlington, VA
SGS formed and placed a new concrete ramp, footers, and masonry wall. Additionally, SGS placed a brick veneer at the ramp wall and tuck-pointed brick around the new openings.

Masonry and Concrete
Roosevelt Towers- Bozzuto
500 Roosevelt Blvd,
Falls Church, VA
SGS formed and placed a 120-foot retaining wall and placed an architectural brick veneer at an existing concrete ramp.

Full Façade Restoration and Waterproofing
Manhatten Construction tuckpointing and waterproofing
Georgetown University
Washington D.C.
SGS was proud to partner up with Manhattan Construction to perform this historic façade restoration and waterproofing of the Ryan and Mulledy Hall buildings at Georgetown University. This challenging project included a full tuckpoint of all existing masonry, stone repair, exterior and interior waterproofing, new masonry construction, structural repairs, and full exterior cleaning.