Palm Desert, 2009, Job No.: JN09017
Indoor firing ranges in two existing shell buildings.
Two 100 ft. long 7 lane ranges in each building, each approximately 3,000 sq.ft.
Four range ventilation systems each consisting of a 18,000 cfm Thermal custom indoor filter-blower unit with acoustifoil fan and 99.97 % efficiency HEPA filters and an 17,000 cfm Aerocool Celdeck evaporative cooler for make-up air.
Special program requirement:
The ventilation system is designed to meet the recommendations of the NIOSH (National Institute for Occupational Safety and Health) Publication NIOSH 2009-136.
Services performed: HVAC engineering and drawings for County of Riverside Building Department and Count of Riverside Office of Industrial Hygiene.
Architect: William Sharon.
Mechanical Contractor: Polar Barr Air Conditioning, Palm Desert.
Electrical Contractor: Cove Electric, Palm Desert.

Construction phase - Filter-blower exhaust unit for range ventilation.	Observing filter loading after several months of operation. Note protective clothing and respirator.