All Categories > H-Occupancies/ Hazardous Environments      Printable Page     Email This Page     Save To Favorites H-Occupancies/ Hazardous Environments larger image We engineer to: NEC Classification (Class, Division) Electrical Requirements per NEC classification Make Up Air and Purging Requirements Access Requirements Preferred Construction Materials (Noncombustible, Fire resistance ratings) We build to customer requirements in the following areas: Size Preferred Building / Room Layout / Location Utilities Ventilation / Filtration Temperature and Humidity Control Alarm Systems Secondary Containment Sound Control Ballistics Explosion Proof  MORE IMAGES  · Process-controls-room-interior · R & D Plating Facility · Control Room Mechanical Systems  DOWNLOADS    Places for People in Hazardous Environments (PDF, 2155KB)