Mark Twain Elementary School

Rolla, Missouri

An addition and renovation at Mark Twain Elementary School create a new identifiable main entrance and reorient the bus dropoff to the rear side of the campus facing a new public street, thereby removing bus loading from a busy thoroughfare. The bus dropoff is separated from the vehicular dropoff loop to improve traffic and student safety. The addition includes a new ADDITIONAL INFORMATIONCAPACITY430COST PER SQ FT$121.20FEATURED IN2006 Architectural Portfolio lobby, administrative suite, library/computer lab, and gymnasium with stage, art/music rooms, classrooms, nurses area, restrooms and mechanical/electrical spaces.

The superstructure is steel frame with metal stud exterior walls, insulation, sheathing, brick and split/ground-face masonry and painted drywall. The roof structure is steel bar joists, metal roof decking, insulation and single-ply EPDM roofing. Interior corridor walls are painted concrete block. Finishes include VCT and acoustical ceilings.

The HVAC is rooftop variable-air-volume split-system equipment including gas-fired heating, DX cooling and heat-recovery wheels. The gymnasium has constant-volume RTU HVAC gas-fired heating and DX cooling. All temperature controls are direct digital control. Lighting is high-efficiency 2-foot by 4-foot fluorescent with high-bay, metal-halide lighting at the gymnasium.