WHEA NFPA 25 inspections A deeper dive · PDF fileA deeper dive. The slides in this ......
Transcript of WHEA NFPA 25 inspections A deeper dive · PDF fileA deeper dive. The slides in this ......
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www.jfahern.com
WHEA
NFPA 25 inspections
A deeper dive
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The slides in this PowerPoint are being used to accompany a
presentation. The information in these slides or the presentation
does not construe expert advice. The information and materials
are intended solely as informational guidance and are not a
determination of your rights or responsibilities under applicable laws and codes. Although this presentation discusses J. F. Ahern
Co. and examples of how J. F. Ahern Co. may conduct business
the presenter is acting as an individual J. F. Ahern Co. employee,
sharing knowledge about this particular topic only. The presenter
is not acting on behalf of J. F. Ahern Co, either as an official
agent or representative. The views expressed are those solely of
the presenter.
NFPA 25
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Chapter 1 Administration
• Why do we do this?
– 1.2.1 The purpose of this document is to provide
requirements that ensure a reasonable degree of
protection for life and property from fire through minimum
inspection, testing, and maintenance methods for water-
based fire protection systems.
• Coordination with other codes – NFPA 72
NFPA 25
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Chapter 2 – Referenced Publications
Too many to list here…
NFPA 25
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Chapter 3 - Definitions
• AHJ Who? How many?
• Approved
• Listed
• Should / Shall
• Deficiency
– Critical
– Noncritical
NFPA - 25
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NFPA - 25
Chapter 3 - Definitions (continued)
• Impairment
– Emergency
– Planned
• Pressure regulating
• Pressure restricting
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NFPA - 25
Chapter 3 - Definitions (continued)
• Standpipe
– Automatic / manual
– Dry / Wet
– Class I II III
• Combined standpipe and automatic
sprinkler system
• Wet / Dry / Antifreeze
• Deluge / Preaction
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NFPA - 25
Chapter 4 – General Requirements
• Requirements – Responsibility of the
property owner or designated
representative.
– Inspection
– Correction and repairs - deficiency
– Occupancy changes
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NFPA - 25
Chapter 4 – General Requirements
(continued)
• Impairments
• Records
• Inspection
• Testing
• Safety
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NFPA - 25
Chapter 5 – Sprinkler Systems
• Quarterly and annual stuff
• 5 year inspections
– Internal pipe inspection
– Check valve internal inspection
– Gauges test or replace
• Sprinkler head testing– Standard response 50 years
– Quick response 20 years
– Dry type 10 years
– Corrosive / High temp 5 years
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NFPA - 25
Chapter 6 – Standpipe and Hose Systems
• Quarterly and annual stuff
• 5 year inspections
– Internal inspection
– Check valve internal
– Gauges
– Hoses
– Hydrostatic testing (dry) manual
– Flow testing automatic standpipe
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NFPA - 25
Chapter 7 – Private Fire Service Mains
• Annually
– Hydrant flow test
– Inspect strainers
– Monitors – full range
• 5 year
– Piping – flow and compare to previous
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NFPA - 25
Chapter 8 – Fire Pumps
• Weekly inspection
– Full list of items - 8.2.2
• Weekly test – run diesel fire pump 30
minutes
• Monthly test - run electric fire pump 10
minutes
– Checklist of items while pump is running –
8.3.2.8
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NFPA - 25
Chapter 8 – Fire Pumps (continued)
• Annual test
– Alarm signals
– Flow test – within 95% of rated
• Maintenance
– Preventative maintenance program
– Records – must be kept
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• Fire Pump Test
NFPA - 25
Electric Pump with Bypass
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Fire Pump Test
NFPA - 25
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Fire Pump Test
NFPA -25
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NFPA - 25
Chapter 9 – Water Storage Tanks
Not covered today
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NFPA - 25
Chapter 10 – Water Spray Fixed Systems
• Components covered in other
chapters, inspected, test and
maintained by those chapters
• System test annually
– Proper operation, response as designed
automatic / manual
– Alarm
– Discharge pattern
– Main drain test
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NFPA - 25
Chapter 11 – Foam Water Sprinkler Systems
• Components covered in other chapters,
inspected, test and maintained by those
chapters
• Inspections
– Discharge devices monthly/quarterly
– Proportioning system – monthly
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NFPA - 25
Chapter 11 – Foam Water Sprinkler Systems
(continued)
• Test
– Discharge devices – annually
– Foam system
– Foam water solution
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NFPA - 25
Chapter 12 – Water Mist System
Not covered today
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NFPA - 25
Chapter 13 – Valves, Valve Components,
and Trim
• Inspections, test and maintenance
– Monthly, quarterly and annual
• 3 year
– Full flow trip test – dry and preaction
– Deluge annually
• Air leakage test – dry and preaction
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NFPA - 25
Chapter 13 – Valves, Valve Components,
and Trim (continued)
• 5 year
– Check valves, alarm valves,
preaction/deluge valves, pressure reducing
valves for sprinkler systems, hose valves, and
hose racks.
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• 5-Year Internal Check Valve
Maintenance.
NFPA - 25
Swing Check
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• 5-Year Internal Check Valve
Maintenance.
NFPA - 25
Wafer Check
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• 5-Year Internal Check Valve
Maintenance.
NFPA - 25
Flanged Swing Check
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NFPA - 25
Chapter 14 – Obstruction Investigation
• 5 year internal inspection of piping
– Wet systems – can do every other one, do
the other one the next time
– Dry and preaction systems – every 5 years
– If something is found – obstruction
investigation required
• Obstruction investigation required if – list
of items 14.3.1
• Ice obstruction investigation
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NFPA - 25
• Standard Internal Pipe Inspection- End of one main
- End of one branchline
• Internal Pipe Exam for ‘at-risk’ systems- System Valve
- Riser
- Cross Main
- Branch line
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NFPA - 25
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NFPA - 25
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NFPA - 25
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NFPA - 25
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Questions?
NFPA - 25