Pressure Testing Mains and Services Flashcards
1
Q
Pressure tests must not be conducted up against _____ or _____?
A
Valves or stoppers
2
Q
New pipeline segments must not be operated until what two conditions are met?
A
- MAOP is established
- All and any hazardous leaks have been found, repaired, and retested
3
Q
What 3 criteria’s must Eversource approved mediums meet?
A
- Must be air or inert gas
- Must be compatible with pipeline material
- Free from sediment material (clean)
4
Q
All thermometers, gauges, and meters used in pressure tests must be what ________?
A
Calibrated
