1775 Pennsylvania Avenue
Washington, D.C.

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Owner

Tishman Speyer Properties

Architect

SmithGroup

Facade Consultant

Carl M. Hensler Consulting Services

GC

Turner Construction Company

Completion

2009

Program

12-stories; 156,000 sqft

LEED Rating

Silver certified

Building Type

Office

Facade

White facade with exposed glass penthouses; floor-to-ceiling windows on three sides

Glass

1 inch IGU’s with Guardian AG43 Coating

Description

Enclos was called upon to remediate and complete the work of a previous glazing subcontractor who was defaulted by the general contractor and owner

Based upon our past success with general contractor Turner Construction, Enclos was brought onto this project to complete 1775 Pennsylvania Avenue’s facade renovation both properly and in a timely fashion. Enclos has a history with successful remediation projects, and the task at 1775 Pennsylvania Avenue was to finalize the partially completed work of a defaulted glazing subcontractor.

Enclos was responsible for picking up the design and engineering efforts necessary for the replacement glazing of the original 1975 building after existing glass from the previous glazer was considered non-compliant with manufacturing tolerance specifications. The partnership between Enclos and JE Berkowitz (glass manufacturer) allowed full-size testing from an independent laboratory and quality control documentation that supports our ability to meet the project's glass specification requirements in a timely manner.

Construction at this high-traffic Washington, D.C. jobsite involved a process of multiple swing stages and scaffolding to provide overhead walkway protection for pedestrians. This installation strategy allowed the glazing to be installed in an optimum timeframe amidst the dense location.

The building’s double-corner location includes three sides with street frontages and retail, in addition to views of James Monroe Park. Located within three blocks of multiple D.C. Metro Stations, this 12–story mid-rise sits prominently on Washington’s historic Pennsylvania Avenue.

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