Temp_Shelter_HEATING_SYSTEM.doc

HEATING SYSTEM FOR STRESS TENSIONED FABRIC AIRCRAFT SHELTERS

Provide all material, equipment, labor and supplies to install the following in four shelters:

Each shelter shall have:

- Four 125K Combustion Research - Omega II - 4 inch straight 40Ft. natural gas radiant heat systems or approved equal with the following features:

- Systems are to be fully CSA Certified

- Radiant tubing constructed entirely of corrosion resistant aluminized steel and heat treated for maximum radiant output

- Power vented, unitary system

- 3 try, direct solid state spark ignition – 100% safety lockout

- Electronic flame monitoring

- Burner flame inspection window

- Burners shall have a minimum 15 second Pre-Purge before ignition cycle

- Powder coated burner housing

- 10 year warranty on radiant tubes for internal corrosion

- Seismic suspension for high wind application

- System controls are to be pre-wired 115V, 60Hz.

- Two Thermostats per shelter 115V (One per system on each side of shelter) – ref. drawing

- 6 inch vent piping installed through side wall – ref. drawing

- System steady state efficiency shall be a minimum of 77%, maximum 87%