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2027 International Fuel Gas Code

Chapter 1Scope And Administration

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Question 1 1.

A developer is constructing a residential project consisting of townhouses, each having an independent means of egress. What is the maximum height above grade plane that these townhouses can be for them to be permitted to comply with the International Residential Code instead of the International Fuel Gas Code?

Question 2 2.

In a fuel gas supply system utilizing a blend of hydrogen and natural gas, what percentage range of hydrogen by volume classifies the installation as a hydrogen admixture natural gas supply system under the code?

Question 3 3.

A piping contractor is designing a natural gas distribution system inside a commercial building. Except as otherwise provided in Section 402.7, what is the maximum operating pressure of natural gas piping covered by the scope of this code?

Question 4 4.

Under the scope of the International Fuel Gas Code, what is the termination point of coverage for fuel gas piping systems?

Question 5 5.

A light manufacturing facility utilizes specialized piping for mixtures of gas and air within the flammable range. At what operating pressure does this piping system fall outside the scope of the International Fuel Gas Code?

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