5.3003.34 Fuel Delivery System for Natural Gas and Propane—Low Rise

Topic: 
Forced Air
Subtopic: 
System Assessment and Maintenance
Desired Outcome: 
Natural gas and propane delivered safely and in sufficient amounts
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)
5.3003.34a
Material and support

An approved pipe type in accordance with NFPA NFPA National Fire Protection Association, www.nfpa.org will be installed and supported

Manual gas shut off valve, union joint, and drip leg will be verified or installed

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

Prevent corrosion

Deliver fuel to the system

Ensure material does not sag or leak
5.3003.34b
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

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

Provide sufficient gas flow and pressure to all of the appliances
5.3003.34c
Sealant

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

Gas lines will be leak free when tested with an electronic combustible gas leak detector and verified with bubble solution

Gas lines will be leak free when tested by local code-approved standing pressure test

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

Install gas lines with no leaks
5.3003.34d
Safety devices for propane

A secondary gas valve safety detector will be installed for propane piping installed below grade

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

Detect accumulation of dangerous levels of propane in areas that are below grade