TOWN OF PELHAM, NEW HAMPSHIRE
PROPANE/INSTRUCTIONS
All
persons, contractors, gas suppliers intending on installing any propane piping
must prior to starting any work, fill out a permit application at the town
building department specifying the scope of the work to be done, the address
and the owner of the property where the work is to be done. Fees for propane piping are $25.00 per
permit. Typical inspections may be for ROUGH (piping only), FINAL (completed
installations of gas appliances), or BOTH may be performed at once if
applicable.
Propane
tank storage permits are issued at the Town Fire Department. Applicants must bring a copy of the propane
piping permit and electrical permits to the fire Department to receive a
permit.
PLEASE
NOTE:
1.
All
propane piping must be in accordance with BOCA Plumbing, Mechanical and
Building Codes.
2.
Inspections
for interior piping and appliances are to be requested at the Building
Department (603) 635-7811
3.
At
the time of a propane piping inspections, the piping must be under pressure and
the appropriate gauge or test device must be on.
4.
Any
propane piping system that services more than one appliance shall be black iron
piping with threaded ends, malleable fittings, properly secured and tested for
an inspection.
Please
feel free to call Walter Kosik, Plumbing Inspector, (603) 635-7811 and leave a
message with any questions on the procedure or specific questions on the
installations of any propane system, I will return your call as soon as
possible.
COMBUSTION AIR
*Section M-1001.0 General
*M-1001.1
Scope: The provisions of this chapter
shall govern the requirements for combustion are for all fuel-burning
appliances or equipment.
*M-1001.2
Combustion is required: All
fuel-burning appliances shall be provided with adequate combustion air, or
shall be provided by a direct outdoor connection or a special engineered
system.
*M-1101.3 Circulation of air: Every room containing fuel-burning equipment
shall be designed for the free circulation of air. Adequate provisions shall be
made for any openings or devices, which cause the depletion of combustion air.
*Section M-1002.0 Definitions
*M-1002.1
General: The following words and terms
shall, for the purposes of this chapter and as stated elsewhere in this code,
have the meanings shown herein. Combustion air: the amount of air required for safe and proper combustion.
*Section M-1003.0 Inside Air
*M-1003.1
Amount of air: Inside air shall be
available for each fuel-burning appliance at a rate of 40 cubic feet of room
air volume per 1,000 British thermal units per hour (Btuh) (3.86 m3/kW) input
rating. In buildings of tight
construction where the air exchange rate is less than 0.5 air changes per hour,
additional air shall be provided in accordance with Section M-1004.0 or
M-1006.0.
*
M-1003.2 Openings: Where the room in which the appliance located does not meet the
criterion specified in Section M-1003.1, openings to adjacent spaces shall be
provided so that the combined volume of all spaces meets the criterion. Two openings shall be provided, one near the
top of the room and one near the bottom.
M-1003.2.1
Size of opening: Each opening shall have an unobstructed area equal to a
minimum of 1 square inch per 1,000 Btuh (2201 mm2/kW) input rating of all
appliances installed in the space, but not less than 100 square inches (64516
mm2)
Section M-1004.0 Outdoor air
M-1004.1
Connections to outdoors: where the
space in which fuel-burning appliances are located does not meet the criterion
for indoor air as specified in Section M-1003.1, the room shall have two
openings to the outdoors. One opening
hall be located near the top of the room and one near the bottom. Openings are permitted to connect to spaces
directly communicating with the outdoors, such as ventilated crawl spaces or
attic spaces.
*M-1004.2
Size of horizontal openings: Each
opening through a horizontal duct shall have an unobstructed are equal to a
minimum of 1 square inch per 2,000 British thermal units per hour (Btuh) (1100
mm2/kW) total input rating. Each direct
opening through a wall shall have an unobstructed area equal to a minimum of 1
square inch per 4,000 Btuh (550 mm2/kW) total input rating.
*M-1004.4
Operation of openings: Combustion air openings shall be open when the
fuel-burning appliance is operating. Dampers are permitted to be electrically
connected to the firing cycle of the appliance.
*Sectionm-1005
Direct Connection
*M-1005.1
General: Fuel-burning appliances that
have been tested for direct combustion air connection to the outdoors shall be
installed in accordance with the manufacturer's installation instructions.
*Section M-1006.0 Mechanical
Ventilation
*M-1006.1
General: Combustion air is permitted to be provided by the mechanical
ventilation system. The supply air rate
shall be increased over the required ventilation air by a rate equal to a
minimum of 1 cubic foot per minute per 3,000 British thermal units per hour
(0.00047 m 3/s per 0.8793 kW) total input rating. Each appliance shall be
electrically connected to the ventilation system is not in operation.
Section
M-1007.0 Opening Obstructions
*M-1007.1
General: The unobstructed are of each
opening shall be considered for determining combustion air. The opening determined by the manufacturer
shall be considered unobstructed.
*M-1007.2 Louvered
openings: The unobstructed area of
metal louvered openings shall be considered 75 percent of the total area. The unobstructed area of wood-louvered
openings shall be considered 25% of the total area.