PriTech, Coal Tar, Rock Shield, Black Mastic, Paint?
What are WG approved coatings.
Maintain a minimum of 3' from sources of ignition or 120-degree heat
What are inside meter clearances?
Vent terminations shall allow gas to vent freely away from _______, _______, __________ or _________?
Building openings, windows, doors or Air Intakes.
What is the pipes material designation code?
PE2406/2708
This pipe is exposed to more soil & contaminants, causing corrosion?
What is Bare Steel?
Disbanded coating, holidays, contact with underground utilities?
What is an AOC?
A minimum of 6' from edge of roof
What is rooftop clearance, without protection?
Guards may consist of __________, ________, ______, etc?
Posts, Bollards, Railings
What does NR on the pipe stand for?
No Rework - The pipe was not ground or pelletized & Reused.
What are different types of pipe found in the WG system?
Cast Iron
Bare Steel
Coated Steel
Polyethylene (PE or Plastic)
Use methods that does not damage pipe
What are procedures for removal of coating?
Controls the delivery pressure
What is a Regulator?
What is Not an SOS _____, _______, _______, ________, _________________?
Car port, Shed, Porches, Decks & Services & risers originally installed through foundation (older homes with indoor meters)
Why is weak link used?
Helps ensure the pipe is not stressed beyond limits
This is applied by spraying. What type of coating am I?
Liquid Epoxy Coating.
Corrosion, Pipe damage, damage coating & pipeline separation
What is exposed piping inspection?
Automatically shut off the flow of gas if regulator fails
What is an Security shutoff valve?
Rapid meter dial movement may indicate that the ___ is flowing rapidly or a major ____________ is downstream of the meter?
Gas, Major Leak
Gas pipe must be protected from heat _____ or greater
120 degrees
What should you do if you come across damage pipe during an installation?
(Hint) Three step process?
Stop the installation
Evaluate the damage
Contact the appropriate WG personnel
When done pipe should have a silvery, rough surface?
What is grit blasting?
Damages to facilities installed outside or inside of structures due to component failure, 3rd party damage, natural disasters or human error
What is a Hazardous Condition?
If there is No Immediate Hazard. What should you do?
Schedule it for repairs.
Damaged pipe is ______
Cut out, 3 pipe diameters
What damages are caused by machines or tools?
Coating defects
Weld defects
Mechanical damage