HomeMy WebLinkAbout405.020 - CPVC Hanger Spacing Section 405.020
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FIRE PREVENTION MANUAL
FIRE EXTINGUISHING SYSTEMS
405.020 CPVC HANGER SPACING
EFFECTIVE: SEPTEMBER 2013
Current Revision Date: 3/1/22 Next Revision Date: 3/1/25
Author’s Name/Rank:
Scott T. Recchio,
Fire Prevention Engineer Review Level: 1
Administrative Support:
Noemi E. Rogers-Rodriguez,
Management Analyst II ADA
PURPOSE
The purpose of this policy is to clarify the Fresno Fire Department’s (FFD or
Department) requirements regarding the required two (2) point restraint pipe hanger
installation locations and distances for fire sprinkler systems utilizing CPVC piping.
APPLICATION
This policy applies to all fire sprinkler systems within the Department’s service area,
including contract service areas. This requirement applies to both required and
voluntary fire sprinkler systems.
OPERATIONAL POLICY
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OPERATIONAL GUIDELINE
Based on the need for uniformity in application across the Department’s diverse
service delivery area, and after careful deliberation, the Department has determined
the following:
The following diagram notes the required two (2) point restraint pipe hanger locations
and distances for fire sprinkler systems utilizing CPVC piping:
Section 405.020
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Hangers are required to be spaced an equal distance from the “T”, not to exceed the
required overall spacing in currently adopted version of National Fire Sprinkler
Association (NFPA) 13, 13D, and 13R.
PROCESS
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INFORMATION
This policy was developed to eliminate confusion for system installers and provides
the best method for installation regardless of pipe manufacturer.
DEFINITIONS
For purpose of this policy, a hanger is defined as “a device or assembly used to
support the gravity load of the system piping.”
CROSS REFERENCES
National Fire Protection Association (NFPA) 13, 13D, 13R
Currently adopted edition