
F&H Consultants, P.C.
Engineers & Construction Consultants
Randall Farm Greenhouse
Discipline:
MEP Engineering
Upper Marlboro, Maryland
Square Footage:
25,000 sq. ft.

The project included an administration building, head house, green house and pump building with a total area of approximately 25,000 square feet. The mechanical and electrical engineering services for the design and construction phases of the project were provided:
The HVAC system for the administration building consisted of two high efficiency gas fired spilt air conditioning units serving the offices, multipurpose room, lunchroom, bathrooms and hallways. The heating system for the head house and greenhouse consisted of gas fired unit heaters (some of the gas fired unit heaters were already purchased by MNCPPC and had to be utilized for this project). The wall and roof panels of the greenhouse were automatically controlled providing ventilation air in conjunction with the fans located throughout the greenhouse.
Rainwater reclaims system was included in the project. The rainwater was directed to the underground interceptor and storage tanks and into the pump house where the pump/flotation and heating equipment were located. The rainwater reckon system will provide irrigation water in the greenhouse.
The new electric service was extended from the new pad mounted transformer to the electric room located in the administration building. Feeders from the electric room were extended to the electrical panels in the head house and the pump house. The electric power requirements for the equipment provided by the greenhouse vendor and greenhouse control contractor were coordinated with the suppliers.
The Washington Suburban Sanitary Commission (WSSC) approval of the plumbing drawings including the information related to the water reclaim system was contingent upon approval of the health department. However, the health department comments indicated that the approval of the department of environment is required for obtaining their approval. F&H engineers met with the officials of the department of environment and addressed the health department comments and communicated with officials and reviewers at the department of health and WSSC which resulted in obtaining the required plumbing permit for this project.