The Adele Stamp Student Union is the activity hub of the campus at the University of Maryland. The facility houses office spaces, entertainment including bowling and billiards, a theater, retail and food service areas, two ballrooms, meeting room, student organization offices, lobbies and lounges. The 285,000 SF building was built in four parts between 1954 and 1985. The existing mechanical and electrical systems were compromised by age and overuse. They were no longer reliable and numerous pieces of equipment were beyond their useful life and needed replacing. The arrangement of the circulation areas and the numerous occupancy spaces were inefficient for the requirements of the building occupants.

The University of Maryland identified the need for renovation of the building involving phased construction of the HVAC, plumbing, fire protection, electrical power, lighting and fire alarm systems, and renovation of program spaces and circulation spaces. 15,000 SF of the building was demolished and an additional 36,000 SF was added. The renovation was divided into four major phases. The contractor occupied one phase of the renovation at a time, while the University continued to occupy the remaining three phase areas. New central secondary mechanical and electrical distribution systems were installed during the first phase. Temporary connections to existing mechanical and electrical systems were provided to maintain services.

The phasing of the mechanical systems includes changeover from the building cooling systems to the SCUB chilled water for environmental temperature control and heat rejection from food service systems. Existing steam to water heat exchangers, for building heating, were replaced with connections to SCUB heating water. The numerous pieces of existing HVAC system equipment were replaced with central air handling units. The existing sprinkler systems were modified to protect the new building layout. Steam for internal kitchen and humidification use is generated within the building using gas fired units.

The building lighting systems are upgraded from 120 volts to 277 volts. New main electrical equipment and distribution panel-boards were provided as part of the renovation. Pull boxes were appropriately located to facilitate phasing work associated with the project.

A new addressable fire alarm system and communications/data system were included in our design.

Additional Information:

Location	College Park, MD
Construction Value	$31,000,000
Owner	University of Maryland, College Park
Architect	CHK and Sasaki (JV)

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