Installing gas piping can be very dangerous. As a result, the Indiana Fuel Gas Code contains information on gas piping, including its installation.
Gas piping should never be installed through a ducted air supply, return or exhaust. These areas include chimneys, laundry chutes, gas vents, dumbwaiters, elevators shafts or ventilating ducts. If installed underneath floors, gas piping should be laid in channels in the floors such that they may be serviced with minimal damage done to the building.
Piping should never be installed underground unless the piping is encased in a conduit made of wrought iron, plastic or steel capable of resisting the additional force.
Often, conduits carry gas from outdoors to the inside of a building. The point at which the conduit meets the gas piping proper inside the building, it is important to ensure that the conduit and the piping are properly sealed to prevent the possibility of leakage.
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