Page 1 of 4 INSP-75 - Rev. 3/2015
TOWN OF HUDSON
FIRE DEPARTMENT - INSPECTIONAL SERVICES DIVISION
12 School Street · Hudson, New Hampshire 03051 · Tel: 603-886-6005 · Fax: 603-594-1142
SPRINKLER SYSTEM PERMIT APPLICATION
Installation Address: _________________________________________________
Business Name: __________________________________ Unit: _____________
Type of Occupancy: Residential Commercial/Industrial
Type of System: 13D or 13R 13
Office Use:
Permit #: ________
Map: ________
Lot: ________
Zone: ________
Installation
Sprinkler Type Supply Standpipe Piping
Addition Complete Wet Underground Wet
CPVC
Alteration Partial Dry Sprinkler Dry
Black Iron
New Basement Preaction Hydrant Combination
Copper
Remove Exitway Deluge Tank
Combination
Repair Hood/Vent Anti-Freeze Fire Pump
Multi System
Total Work Area (sq ft): ____________________ Sprinkler Area (sq ft): _____________________
Building Size (sq ft): ____________________ Total # of Heads: _____________________
Number of Stories: ____________________ # of Standpipes: _____________________
Number of Systems: ____________________ Orifice Size (inches): ____________________
Property Owner: _____________________________
Mailing Address:_____________________________
_____________________________________________
Daytime Phone #: ___________________________
Cell Phone #: _______________________________
Email: ______________________________________
Contractor: _________________________________
Mailing Address:_____________________________
_____________________________________________
Daytime Phone #: ___________________________
Cell Phone #: _______________________________
Email: ______________________________________
Total Cost of
Project:
$ _____________
Brief Description of Work:
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
Page 2 of 4 INSP-75 – Rev. 3/2015
Sprinkler plans must be attached to this application in order for this application to be processed.
Signature of applicant: _________________________________________________________ Date: ____________
Address: _______________________________________________________________________________________________
Filing Fee $ 30.00 Receipt # _______________ Date _______________
Permit Fee $_______________ Receipt # _______________ Date _______________
____ Approved
____ Denied _______________________________________________ _______________________
Inspectional Services Official or Designee Date
Comments:
_________________________________________________________________________________________________________
_________________________________________________________________________________________________________
_________________________________________________________________________________________________________
_________________________________________________________________________________________________________
click to sign
signature
click to edit
Page 3 of 4 INSP-75 - Rev. 3/2015
TOWN OF HUDSON
FIRE DEPARTMENT - INSPECTIONAL SERVICES DIVISION
12 School Street · Hudson, New Hampshire 03051 · Tel: 603-886-6005 · Fax: 603-594-1142
FIRE SPRINKLER SYSTEMS
Plan Submittal and Inspection Requirements
All fire sprinkler systems in the Town of Hudson, NH shall be installed to the currently adopted
edition of the NFPA-13, NFPA-13D or NFPA-13R.
Submittal Requirements
All fire sprinkler system submittals shall include:
1. Two sets of plans (signed and dated) that comply with the design and plan
requirements of NFPA-13, 13R or 13D currently adopted editions. Please include
the name of the owner or builder and the site address of the building location that
the calculations are designed for.
2. Two sets of hydraulic calculations (signed and dated) that comply with the
hydraulic calculation requirements of the appropriate standard. Please include the
name of the owner or builder and the site address of the building location that the
calculations are designed for.
3. Two sets of manufacturer’s material information sheets for the sprinkler heads,
piping, horn and strobe devices where applicable, flow switch, hangers and any
valves or backflow preventers used.
4. A sprinkler system permit application shall be signed, dated and submitted with
the plans.
5. If installing CPVC or pex, please provide a copy of your training certification
from the manufacturer showing that you have been trained for installing
these materials.
Design/Plan Submittal Requirements Checklist
1. A complete set of piping plans drawn to scale showing all sprinkler head locations
(use walls as dimensional references) and room use descriptions.
2. Indicate the type of piping being used in all areas, system piping and riser piping.
3. Provide all pipe sizing and lengths in all areas, system and riser piping.
4. Show all pipe hanger locations and provide hanger details showing all components
and attachment devices.
5. Note any sloped or special ceilings.
6. Note any exposed beams, light fixtures or other ceiling obstructions.
7. Show attic access door.
8. Specify the manufacturer of the sprinkler head, orifice size and temperature rating.
Use residential sprinkler heads in habitable spaces.
9. Provide a system riser detail showing all valves, devices and pumps. All shut off
valves shall be either locked in the open position or removed and stored close to the
system.
Hydraulic Calculations Requirements Checklist
1. Outline the calculation areas on the plans.
2. Calculations are required for the two most hydraulically demanding heads within a
compartment.
3. Indicate all hydraulic reference points on the plans.
4. Provide water flow data and the source of information on the plan.
Page 4 of 4 INSP-75 – Rev. 3/2015
Rough Inspection Requirements
1. Shall be conducted prior to the concealment of any piping.
2. All nail plates shall be in place.
3. When CPVC pipe is used, random inspection of fire sprinkler heads shall be
conducted to verify no glue has leaked down onto the fire sprinkler head.
4. All piping shall be pressure tested per manufacturer’s specifications and
applicable NFPA Standards.
Final Inspection Requirements
1. A final inspection walkthrough shall be conducted to verify that all required
areas have sprinklers.
2. A two headed bucket test in the most remote design area shall be conducted
using an orifice the same size as a sprinkler head to simulate a flowing
sprinkler head.