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Plumbing Information

Amendment to the Lower Gwynedd Township Plumbing Code: Ordinance No. 508, adopted August 23, 2016

AN ORDINANCE OF LOWER GWYNEDD TOWNSHIP, MONTGOMERY COUNTY, COMMONWEALTH OF PENNSYLVANIA, AMENDING CERTAIN PROVISIONS OF THE CODE OF LOWER GWYNEDD TOWNSHIP; SPECIFICALLY AMENDING THE PLUMBING CODE, CHAPTER 1444, TO REPEAL CERTAIN TECHNICAL MODIFICATIONS OF THE INTERNATIONAL PLUMBING CODE TO REMOVE REQUIREMENTS RELATED TO THE USE OF CAST-IRON OR COPPER PIPING UNDERGROUND WITHIN A BUILDING; REPEALING ALL INCONSISTENT ORDINANCES OR PARTS THEREOF; PROVIDING A SEVERABILITY CLAUSE; AND PROVIDING AN EFFECTIVE DATE.

A few Items from Lower Gwynedd Township Plumbing Code

  • PVC pipe (Schedule 40) may be used for drainage, waste and vent lines underground (Table P300201(2)).
  • All drainage, waste, and vent systems shall be tested on completion of the rough piping installation by water/air without evidence of leakage (P2503.5.1).
  • No "S" traps will be permitted.
Trap Size Fixture Drain Slope Distance
1 1/4" 1 1/4" 1/4" 5'
1 1/2" 1 1/2" 1/4" 6'
2" 2" 1/4" 8'
3" 3" 1/8" 12'
4" 4" 1/8" 16'

Drilling and Notching

Notches in the top or bottom of the joists shall not exceed one-sixth the depth of the joist and shall not be located in the middle of the third span. Where joists are notched on the end for leger, the notch shall exceed one-fourth the joist depth. Cantilevered joists shall not be notched unless the reduced section properties and lumber defects are considered in the design.

Holes

Holes drilled or bored in the joists shall be within two inches of the top or the bottom of the joists, and their diameter shall not exceed one-third the depth of the joist.

Effective April 1, 1999 the permit fee for all sewage ejectors will be $100.

Gas Piping Installation Plumbing Permit Requirements

Installing gas piping? A plumbing permit is required when gas piping is being installed, extended or a new gas fired appliance is being added to an existing system. Your application must include a gas riser diagram is required showing all gas piping on the system from the gas meter to each gas appliance tied into the gas piping.

A gas riser diagram consists of size and length and type of each section of gas pipe starting at the meter, to each take-off tee branch, including sections between take-off tee branches as well as size and length of all branches coming off the main gas line that supplies each appliance, including any new appliances.

Label and indicate BTUs for each appliance presently tied into the gas line and do the same for any proposed new appliances.

Indicate outlet pressure in water column or psi and identify the table used to calculate size.

Additional Information on Gas