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Specialty Buildings

GHT Limited project profile: Madison Marquette @ The Wharf

Madison Marquette @ The Wharf, Washington, D.C.

By GHT Limited August 13, 2019
Madison Marquette Workroom. Source: Eric Laignel Photography

Engineering firm: GHT Limited

2019 MEP Giants rank: 86

Project: Madison Marquette @ The Wharf

Location: Washington, D.C., U.S.

Building type: Office building

Project type: Existing building retrofit

Engineering services: Automation, controls; electrical, power; HVAC, mechanical; plumbing, piping

Project timeline: November 2017 to December 2018

MEP/FP budget: $47,000

Madison Marquette DOAS Units & Lounge. Source: Eric Laignel Photography


Madison Marquette required the relocation of existing Dedicated Outdoor Air Systems (DOAS) terminal units away from sound-sensitive areas. New DOAS terminal units were also required as part of the project scope.

Madison Marquette Executive Hallway Photo Wall. Source: Eric Laignel Photography


Madison Marquette Executive Hallway. Source: Eric Laignel Photography



GHT designed and executed the relocation of the units without impacting ceilings or the intended architectural design. Our team also specified thermostat locations for each terminal unit, provided CO2 sensors in all conference rooms, huddle rooms, the cafe and in the pantry. The CO2 sensors are tied into the building automation system (BAS) and provide demand-controlled ventilation control.

Madison Marquette DOAS Units & Lounge. Source: Eric Laignel Photography

GHT Limited