A. 
Natural gas piping systems when installed in mobile home parks shall be maintained in conformity with accepted engineering practices.
B. 
Each mobile home lot provided with piped gas shall have an approved shutoff valve installed upstream of the gas outlet. The outlet shall be equipped with an approved cap to prevent accidental discharge of gas when the outlet is not in use.
Liquefied petroleum gas systems provided for mobile homes, service buildings or other structures, when installed, shall be maintained in conformity with the rules and regulations of the authority having jurisdiction and shall include the following:
A. 
Systems shall be provided with safety devices to relieve excessive pressures and shall be arranged so that the discharge terminates at a safe location.
B. 
Systems shall have at least one accessible means for shutting off gas. Such means shall be located outside the mobile home and shall be maintained in effective operating condition.
C. 
All liquefied petroleum gas piping outside of the mobile homes shall be well supported and protected against mechanical injury. Undiluted liquefied petroleum gas in liquid form shall not be conveyed through piping equipment and systems in mobile homes.
D. 
Vessels of more than 12 and less than 60 United States gallons' gross capacity may be securely, but not permanently, fastened to prevent accidental overturning.
E. 
No liquefied petroleum gas vessel shall be stored or located inside or beneath any storage cabinet, carport, mobile home or any other structure unless such installations are specially approved by the authority having jurisdiction.
A. 
All fuel oil supply systems provided for mobile homes, service buildings and other structures shall be installed and maintained in conformity with the rules and regulations of the authority having jurisdiction, when provided.
B. 
All piping from outside fuel storage tanks or cylinders to mobile homes shall be securely, but not permanently, fastened in place.
C. 
All fuel oil supply systems provided for mobile homes, service buildings and other structures shall have shutoff valves located within five inches of storage tanks.
D. 
All fuel storage tanks or cylinders shall be securely placed and shall not be less than five feet from any mobile home exit.
E. 
Storage tanks located in areas subject to traffic shall be protected against physical damage.