(a) Whenever any concealed house gas piping, irrespective of length, or exposed house gas piping in excess of fifty (50) feet in length, is installed, altered or replaced; and whenever any gas-fired appliance required by OBBC or this Building Code to have a flue or vent connection, or any gas conversion burner, is installed, replaced, or relocated, the gas supply to such piping, appliance, or burner shall not be turned on by the installer of such piping, appliance, or burner, or by the owner or his or her agent, or by any person acting directly or indirectly for the owner, until the installation has been approved and written authorization to turn on the gas has been given by the Commissioner. In interpreting this subsection, the public utility organization supplying gas to the premises shall be not deemed to be the agent of the owner or to be acting for the owner.
(b) Whenever there is a change in a meter manifold which will provide for an increased number of meters, the gas supply to such manifold shall not be turned on until the installation has been approved and written authorization to turn on the gas has been given by the Commissioner.
(c) The term “altered” as used in this section means a change in the house gas piping involving disassembly of the piping.