Renovations to APS’ existing building included new bathroom amenities, kitchen, office space and conference rooms, courtyards and terraces as well new HVAC, fire protection, electrical data system, new parking lot and a complete site improvement package.

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Project scope included the cleaning and restoration of the building’s historic bronze light fixtures and two exterior bronze flagpoles at the south side of the building. New waterproofing was installed, exposed aggregate sidewalks were replaced with granite pavers and hardscape was restored.

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The cleaning portion of the project was done through the use of detergents, microabrasion and poultice application to the marble center upper west terrace at the U.S. Capitol Building. In addition to cleaning, all joints were cut out and repointed and the existing joint sealants were removed and replaced. Dutchmen repairs were made using Danby or Lee marble depending on the location.

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The limestone façade and balustrade repairs include micro-abrasion stain removal, crack repair, Dutchman repairs, brick cutting and repointing, lead removal, cornice repairs and the addition of new stainless steel flashing. The roof work features the demolition of the existing EDPM roof down to the concrete deck, followed by the installation of a new hot asphalt-topped green roof. Concrete slab penetrations to allow proper rooftop irrigation and drainage will occur within a seven-foot interstitial space above active M/E/P systems. The finished roof will host an experimental laboratory, where testing and analysis of the durability of various plant types, growth mediums and water requirements for green roofs in the DC area will occur. The findings will be published and distributed to local DC businesses with the goal of encouraging the use of green roofs in the community.

The constrained site has minimal laydown area and limited roof loads for equipment, materials and personnel, requiring the use of lifts and complex swing staging to access the roof and elevations. Additionally, all workers and tools must be tied off to ensure nothing is dropped on pedestrians or the endangered species plants we’re working above. All work is being managed on off-hours or weekend shifts to mitigate disruptions to building occupants and neighboring, high-security buildings.

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To make space for the refreshed Children’s Garden, half of the existing courtyard was demolished and leveled of its original site furnishings and plants. Custom features were installed including benches, a jungle gym, tunnels, a trellis with metal leaves, walking paths and other interactive areas. All structures and elements were custom-designed and fabricated for the Children’s Garden, and are comprised of anodized aluminum, hand-formed concrete, wood and natural installations including discovery platforms with fossils and soils. Work was managed around a fully operational museum with security requirements including off-site material checks, 48-hour notice for deliveries and background checks for drivers and vehicles.

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Weathered over the years, the Ambassador’s Residence required upgrades to maintain it’s historic integrity. Phase 1 emergency façade restorations are complete, which has prepared the site for the remaining exterior façade renovations and roof replacement in Phase 2. The interior scope of work includes protection of finishes and the cutting and patching required to allow access for exterior repairs. The project requires a comprehensive repair and restoration of the historic building envelope including new roofing, repairs and replacements of decorative metals, masonry, stonework, windows and doors.

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Renovations of the 31,766 sq. ft. historic Chancery Office Building included removing and replacing the existing façade, improvements to main entrances and pedestrian pathways and installation of new windows and curtain wall. Interior scope required lead paint and asbestos testing and abatement, installation of new M/E/P/FP systems and an elevator, along with bathroom renovations. All work was performed on the grounds of the active Swiss Embassy and near the Ambassador’s residence, requiring stringent security protocols and planning, detailed logistics and phasing and constant communication with the client team.

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The much-needed expansion will add space for 22 memorials, including two grand memorials that are upwards of 1200 sq. ft, with a focus on honoring modern-day Marines. The scope also includes the benches spaced out for quiet reflection and the Memorial Pavilion, which provides a view of the museum and creates an additional site for peaceful contemplation, similar to the Semper Fidelis Memorial Chapel.

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As part of the overall renovation and restoration of this historic local landmark, the Post Office will see the restoration of the building exterior, including the repair/replacement of a wood-framed cupola; abatement of hazardous materials; ADA improvements including the installation of a new elevator; the installation of fully modernized HVAC, electrical and plumbing services; a new roof; and a full tenant fit-out. All construction activities will be completed on a fast-track schedule to avoid summer months and the significant tourist population that frequents downtown Annapolis.

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Additional scope includes widening of the east entrances to the mezzanine Undercroft, enlargement of the existing vent on the north side, demolition and partial replacement of the Raised Terrace structural concrete slab, installation of new waterproofing over new structural concrete, phased installation of waterproofing under the upper landing and run of the existing granite and marble grand main stairs that lead up to the Statuary Chamber. Interior work includes placement of new concrete structure and the installation of new mechanical, electrical, plumbing, and security systems. Interior work also includes the construction of museum-quality interior finishes. The Memorial will remain open to visitors during construction, which will require extensive safety measures.

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