Allen + Shariff provided MEP/FP and LEED engineering services for the renovation of the Eisenhower Office Building, a 14 story high-rise office building located in Alexandria, VA. The building included 323,000 square feet of office space and 6,000 square feet of retail space. The project design included replacing and upgrading the existing base building mechanical system with a new chilled water HVAC system with VAV air distribution with electric reheat. A new stairwell pressurization system was also added, along with new upgraded core toilet rooms with new lighting, ventilation and fixtures for LEED requirements, improved air quality and building operating efficiency. And a new sprinkler system with modified service entrance and fire pump replacement was added.