Fire Protection Systems Inspection

Per NFPA 13, the sprinkler system must be designed to provide the required density of water over the design area of operation based on the hazard classification (Light, Ordinary, or Extra). Per IBC Section 903.3, the system must be designed and installed by a licensed fire protection contractor. Water supply must deliver the required flow rate and pressure at the most remote sprinkler head. Per NFPA 13 Section 24.1, hydraulic calculations must demonstrate adequate water supply with a minimum safety margin of 10%.

1. Review hydraulic calculations and verify they demonstrate adequate water supply at the most remote area

2. Confirm the hazard classification matches the actual building occupancy and use

3. Verify the water supply test data (flow test) is current and matches the design basis

4. Check that the fire department connection (FDC) is accessible and properly located per NFPA 13 Section 16.12

5. Confirm the system riser is accessible with proper signage indicating the system type and coverage area

- Hydraulic calculations based on outdated or incorrect water supply data

- Hazard classification does not match the actual building use after tenant improvements

- Fire department connection obstructed by landscaping, fencing, or vehicles

- Water supply test not performed within the required timeframe

Per NFPA 13 Section 10.1, sprinkler piping must be listed materials including steel (black or galvanized), copper, or CPVC (where listed for the application). Pipe hangers must support the piping per NFPA 13 Section 9.1 with maximum hanger spacing of 12 feet for 1-inch pipe and 15 feet for pipe 1.5 inches and larger. Seismic bracing is required in Seismic Design Categories D through F per NFPA 13 Section 9.3. All piping must be hydrostatically tested at 200 psi for 2 hours per NFPA 13 Section 28.2.

1. Verify pipe materials are listed and match the approved shop drawings

2. Measure hanger spacing to confirm compliance with NFPA 13 Table 9.1.1.3

3. Inspect all pipe joints (threaded, grooved, soldered, or cemented) for proper assembly

4. Check seismic bracing installation at required intervals per NFPA 13 Section 9.3

5. Review the hydrostatic test report confirming 200 psi held for 2 hours with no leaks

- Hanger spacing exceeds maximum limits, causing pipe sag and stress on joints

- CPVC pipe installed in areas not permitted by its listing (e.g., exposed in plenums)

- Seismic bracing missing or improperly installed in required seismic design categories

- Hydrostatic test not conducted at full 200 psi for the required 2-hour duration

Per NFPA 13 Section 10.2, sprinkler heads must be listed and match the approved design (temperature rating, K-factor, orientation, and coverage pattern). Standard spray heads require maximum 15-foot spacing and 130 square feet of coverage per head for Light Hazard per NFPA 13 Table 10.2.4.2.1. Heads must be positioned 1 to 12 inches below the ceiling for pendant and upright types. Obstructions within 18 inches of the sprinkler deflector require additional heads per NFPA 13 Section 10.2.5.

1. Verify sprinkler head type, temperature rating, and K-factor match the approved shop drawings

2. Measure head spacing to confirm maximum coverage areas are not exceeded

3. Check deflector-to-ceiling distance is within 1 to 12 inches for pendant and upright heads

4. Inspect for obstructions within 18 inches of sprinkler deflectors that would impair spray pattern

5. Confirm heads in concealed spaces (above drop ceilings, mechanical rooms) are properly installed

- Sprinkler heads with wrong temperature rating installed near heat sources

- Head spacing exceeding maximum coverage area creating unprotected gaps

- Obstructions (ductwork, beams, light fixtures) within 18 inches of sprinkler deflectors

- Missing sprinkler coverage in concealed spaces above drop ceilings

Per NFPA 72 and IBC Section 907, fire alarm systems must include manual pull stations, automatic detection devices, and notification appliances as required by the occupancy type. Smoke detectors must be spaced per NFPA 72 Section 17.7 with maximum 30-foot spacing for spot-type detectors on smooth ceilings. Notification appliances must provide 15 candela minimum visible signal and 75 dBA audible signal per NFPA 72 Section 18.4. The fire alarm control panel (FACP) must be installed at a location approved by the AHJ per NFPA 72 Section 10.12.

1. Verify smoke detector placement and spacing per NFPA 72 requirements for ceiling type and height

2. Test manual pull stations at each required exit location for proper alarm activation

3. Measure audible notification levels to confirm minimum 75 dBA or 15 dB above ambient

4. Verify visible notification appliances provide adequate candela rating per NFPA 72 Table 18.5.4.3.1

5. Confirm FACP displays all zones correctly with proper annunciation and monitoring connection

- Smoke detectors spaced beyond 30-foot maximum or installed too close to HVAC diffusers

- Audible notification devices not achieving required sound level in all areas

- Missing visible notification appliances in required locations (restrooms, hallways)

- FACP not connected to central monitoring station or connection not verified

Per IBC Section 905 and NFPA 14, standpipe systems are required in buildings with floors more than 30 feet above or below fire department vehicle access. Class I standpipes provide 2.5-inch hose connections for fire department use at a minimum flow of 500 gpm at 100 psi at the most remote connection. Class III standpipes provide both 2.5-inch and 1.5-inch hose connections. Standpipe connections must be located in enclosed exit stairways or as approved by the AHJ per IBC Section 905.4.

1. Verify standpipe class matches the building requirements per IBC Section 905

2. Confirm hose connections are located in each required exit stairway at every floor landing

3. Check that hose connection valves operate freely and are capped with breakable seals

4. Verify the system pressure at the most remote hose connection meets minimum requirements

5. Inspect the fire department connection for proper marking, accessibility, and correct thread type

- Hose connections missing on one or more floor landings in exit stairways

- Standpipe pressure insufficient at the most remote hose connection

- Fire department connection not properly marked or accessible

- Hose connection valve caps missing or valves seized from non-use

Per IBC Section 906 and NFPA 10, portable fire extinguishers must be provided in all occupancies. For Class A hazards, extinguishers must be located so the travel distance does not exceed 75 feet per NFPA 10 Section 6.2.1. For Class B hazards, maximum travel distance is 50 feet. Extinguishers must be mounted with the handle no higher than 5 feet above the floor for units over 40 pounds and no higher than 3.5 feet for units under 40 pounds per NFPA 10 Section 6.1.3. Monthly and annual inspections are required per NFPA 10 Chapter 7.

1. Verify extinguisher types match the hazard classification (Class A, B, C, D, or K) for each area

2. Measure travel distances to confirm maximum distances are not exceeded per NFPA 10

3. Check mounting height with the handle at or below 5 feet (over 40 lbs) or 3.5 feet (under 40 lbs)

4. Verify all extinguishers have current annual inspection tags and monthly visual inspection records

5. Confirm extinguisher locations are marked with signage visible from a distance

- Travel distance to nearest extinguisher exceeds maximum allowed for the hazard class

- Extinguishers mounted too high for easy access during emergencies

- Missing or expired annual inspection tags on extinguishers

- Wrong extinguisher type for the area hazard (e.g., Class ABC in a commercial kitchen requiring Class K)

Per NFPA 13 Section 28 and NFPA 72 Section 14.2, all fire protection systems must undergo acceptance testing before being placed in service. Sprinkler systems require hydrostatic testing, main drain testing, and inspector's test valve flow verification. Fire alarm systems require 100% device testing per NFPA 72 Section 14.2.2. Per IBC Section 901.5, the fire code official must witness acceptance tests. All test results must be documented and maintained on site per NFPA 25 and NFPA 72.

1. Review hydrostatic test documentation confirming 200 psi held for 2 hours with no leaks

2. Witness the main drain test and record static pressure, residual pressure, and flow

3. Verify the inspector's test valve activates the waterflow alarm within 90 seconds per NFPA 13

4. Confirm 100% of fire alarm devices were tested and documented per NFPA 72 Section 14.2.2

5. Verify all test documentation is compiled and provided to the building owner and AHJ

- Hydrostatic test documentation incomplete or not witnessed by the AHJ

- Inspector's test valve flow does not activate the waterflow alarm within required time

- Fire alarm acceptance test does not cover 100% of installed devices

- Test documentation not compiled or provided to the building owner for ongoing maintenance records