5.3003.39 Fuel Delivery System for Natural Gas—Mid and High Rise

Topic: 
Forced Air
Subtopic: 
System Assessment and Maintenance
Desired Outcome: 
Safe and optimal gas supply to all gas-fired equipment
Note: 
The authority having jurisdiction may require that a licensed professional perform certain tasks outlined in this detail.
For supporting material, see Referenced Standards.
TitleSpecification(s)Objective(s)
5.3003.39a
Location, material, and support

An approved pipe type in accordance with NFPA NFPA National Fire Protection Association, www.nfpa.org 54/ ANSI ANSI American National Standards Institute, www.ansi.org / AGA AGA American Gas Association, www.aga.org Z223.1 will be installed and supported

Gas train will be located/installed to not create a trip hazard or be damaged by water

All work will be done by a licensed professional or qualified person

Ensure worker safety

Ensure durability of equipment
5.3003.39b
Size

Gas pipes (building main and equipment drops) will be installed for the total connected load of all appliances in accordance with NFPA NFPA National Fire Protection Association, www.nfpa.org 54/ ANSI ANSI American National Standards Institute, www.ansi.org / AGA AGA American Gas Association, www.aga.org Z223.1

Existing gas piping will provide appropriate pressure and supply rate for heating equipment in accordance with scope of work

All work will be done by a licensed professional or qualified person

Ensure safe and proper gas supply to equipment
5.3003.39c
Installation

Pipe routing will create the least pressure drop

Gas pressure regulators requiring venting will be vented to outside the building with a rigid pipe

Gas train components, pipe material, and pipe sizing will comply with all applicable codes and standards ( AGA AGA American Gas Association, www.aga.org , NFPA NFPA National Fire Protection Association, www.nfpa.org )

Pipes will be sealed with an approved fastening process and sealant in accordance with manufacturer specifications

All work will be completed by a licensed professional or qualified person

Deliver adequate gas pressure to heating equipment

Ensure worker safety

Install gas lines with no leaks
5.3003.39d
Testing

For newly installed systems, gas train will be pressure tested for leaks

For existing systems, gas train will be tested for leaks in accordance with local utility requirements

Gas pressure and supply rates will be tested to confirm they comply to specified scope of work and burner requirements

All work will be supervised by a licensed professional or qualified person

Ensure safe operating conditions
5.3003.39e
Education

Property manager will be educated on the operation of the high and low gas pressure switches, gas valve, and gas regulator

Property manager will be educated on the indications of raw gas leaks

Ensure property manager and occupant safety

Maintain proper operation of gas train