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// CODE SNIPPET

2703.10.4.4 Exhaust Duct Sprinkler System Requirements

Fire Code 2018 of Colorado > 27 Semiconductor Fabrication Facilities > 2703 General Safety Provisions > 2703.10 Automatic Sprinkler System > 2703.10.4 Exhaust Ducts for HPM > 2703.10.4.4 Exhaust Duct Sprinkler System Requirements
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Automatic sprinklers installed in exhaust duct systems shall be hydraulically designed to provide 0.5 gallons per minute (gpm) (1.9 L/min) over an area derived by multiplying the distance between the sprinklers in a horizontal duct by the width of the duct. Minimum discharge shall be 20 gpm (76 L/min) per sprinkler from the five hydraulically most remote sprinklers.

2703.10.4.4.1 Sprinkler Head Locations

Automatic sprinklers shall be installed at 12-foot (3658 mm) intervals in horizontal ducts and at changes in direction. In vertical runs, automatic sprinklers shall be installed at the top and at alternate floor levels.

2703.10.4.4.2 Control Valve

A separate indicating control valve shall be provided for sprinklers installed in exhaust ducts.

2703.10.4.4.3 Drainage

Drainage shall be provided to remove sprinkler water discharged in exhaust ducts.

2703.10.4.4.4 Corrosive Atmospheres

Where corrosive atmospheres exist, exhaust duct sprinklers and pipe fittings shall be manufactured of corrosion-resistant materials or coated with approved materials.

2703.10.4.4.5 Maintenance and Inspection

Access to sprinklers in exhaust ducts shall be provided for periodic inspection and maintenance.

Related Code Sections


2703.10.4.4 Semiconductor Fabrication Facilities, Exhaust Duct Sprinkler System Requirements
Automatic sprinklers installed in exhaust duct systems shall be hydraulically designed to provide 0.5 gallon per minute (gpm) (1.9 L/min) over ...
Fire Code 2021 of Colorado > 27 Semiconductor Fabrication Facilities > 2703 General Safety Provisions > 2703.10 Automatic Sprinkler System > 2703.10.4 Exhaust Ducts for HPM > 2703.10.4.4 Exhaust Duct Sprinkler System Requirements
2703.10.4.4 Semiconductor Fabrication Facilities, Exhaust Duct Sprinkler System Requirements
Automatic sprinklers installed in exhaust duct systems shall be hydraulically designed to provide 0.5 gallons per minute (gpm) (1.9 L/min) over ...
Fire Code 2018 of Colorado > 27 Semiconductor Fabrication Facilities > 2703 General Safety Provisions > 2703.10 Automatic Sprinkler System > 2703.10.4 Exhaust Ducts for HPM > 2703.10.4.4 Exhaust Duct Sprinkler System Requirements
2703.10.4.4.3 Semiconductor Fabrication Facilities, Drainage
Drainage shall be provided to remove sprinkler water discharged in exhaust ducts ...
Fire Code 2018 of Colorado > 27 Semiconductor Fabrication Facilities > 2703 General Safety Provisions > 2703.10 Automatic Sprinkler System > 2703.10.4 Exhaust Ducts for HPM > 2703.10.4.4 Exhaust Duct Sprinkler System Requirements > 2703.10.4.4.3 Drainage
2703.10.4.4.4 Semiconductor Fabrication Facilities, Corrosive Atmospheres
Where corrosive atmospheres exist, exhaust duct sprinklers and pipe fittings shall be manufactured of corrosion-resistant materials or coated ...
Fire Code 2021 of Colorado > 27 Semiconductor Fabrication Facilities > 2703 General Safety Provisions > 2703.10 Automatic Sprinkler System > 2703.10.4 Exhaust Ducts for HPM > 2703.10.4.4 Exhaust Duct Sprinkler System Requirements > 2703.10.4.4.4 Corrosive Atmospheres
2703.10.4.4.4 Semiconductor Fabrication Facilities, Corrosive Atmospheres
Where corrosive atmospheres exist, exhaust duct sprinklers and pipe fittings shall be manufactured of corrosion-resistant materials or coated ...
Fire Code 2018 of Colorado > 27 Semiconductor Fabrication Facilities > 2703 General Safety Provisions > 2703.10 Automatic Sprinkler System > 2703.10.4 Exhaust Ducts for HPM > 2703.10.4.4 Exhaust Duct Sprinkler System Requirements > 2703.10.4.4.4 Corrosive Atmospheres
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