The firm’s more than 10,000 successful projects throughout its 44+ year history have made it a preferred advisory resource among the area’s commercial building and multi-family residential decision makers. TDL’s engineering research, findings, recommendations and design solutions are trusted by many of those responsible for the Mid-Atlantic built environment.
Sutton Towers Condominium, delivered in 1979, has a garage with three levels of parking located under the building and the rear plaza. The garage’s sub-grade waterproof membrane had reached the end of its useful life and could no longer serve its purpose.
Queen’s Landing Condominium, which was built in phases by several builders between 1983 and 1999, consists of 349 units within 55 wood-framed buildings with a clubhouse and pool. The facades consist of EIFS or stucco and the roofs were asphalt shingles.
This condominium located in the heart of Washington, D.C., was experiencing issues with its 30+-year-old roof and 75+ year-old facade.
TDL investigated this property’s main roof to scope a necessary replacement project. The original roof was a gravel-surfaced built-up roof over flat polyisocyanurate roof insulation.
This garage rehabilitation involved locating concrete repair areas via sounding, performing partial depth top surface repairs, routing and sealing cracks, installing new drains, the installation of a new waterproof vehicular traffic membrane, and addressing water infiltration through ventilation shafts.
Essex House Condominium is a 12-building, 200-unit community completed in 1984. The buildings were originally clad in aluminum siding that lacked a weather resistant barrier (WRB). TDL was selected to prepare design specifications for siding replacement.
Constructed circa 1964, McLean Chase Condominium is a 7-building garden-style community. TDL was asked to inspect all 124 balconies and 5 bridges, develop repair specifications, competitively bid on the work, and oversee construction.
Completed in 1930, Tilden Gardens Cooperative is a 7-building, 170-unit community located in the Cleveland Park Neighborhood of Washington, DC. The original 1,400+ building windows were wood and varied widely in condition. TDL was selected to guide the cooperative in addressing this situation such that all windows would be operable and in similar condition.
Built in 1942, Potowmack Crossing Condominium is a 242-unit garden-style community located in the Old and Historic District of Alexandria. TDL investigated and specified the restoration of the cupola, which had fallen into disrepair.
Built in 1942, Potowmack Crossing Condominium is a 242-unit garden-style community located in the Old and Historic District of Alexandria. The aluminum single-hung windows installed in the mid-1980s were in poor condition, and TDL was chosen to assist with a community-wide window replacement project.