Regulator & Reliefs
General Knowledge
Stations
100

If the pressure-relieving device is of insufficient capacity what must be done?

A new or additional device must be installed, or the regulator(s) must be modified or replaced to provide the additional capacity required.

100

Who signed final approval for Technical Standard G-OM1037?

Mike Kisicki

100

Town Border Station meters can what 2 styles?

Rotary

Turbine

200

All district regulator station and supplier’s relief devices will be reviewed and capacities will be calculated at intervals not exceeding?

15 months, but at least each calendar year. Required capacities will be compared with rated capacities.

200

Set Points on Reliefs are required for what main reason?


So that the maximum allowable operating pressure will not be exceeded. 

200

What Federal DOT Safety standard covers "Required Capacity Of Pressure Relieving And Limiting Stations"?

192.201 

Found in Technical Standard G-DN2003 (Page 3)

300

Completed inspection forms will be retained in GasValve for review and reporting for _______ years.

10 Years

300


All components of a pressure regulator station upstream of a pressure-regulating device must have the same or greater MAOP as 

Inlet Station Piping

300

When an elbow is used to direct a horizontally venting relief valve to the vertical, how large of weep hole is required and why?

Install a 1/8" weep hole in the elbow to ensure that the vent stack does not fill with water.

400

What's the newest effective date of OM 37?

4/1/2017

400

What database does the company use for Scheduling and Permanently recording each annual scheduled test and inspection?

Gas Valve

400

Approved Town Border Stations generally consist of what 4 items?

- measurement

- pressure control

- overpressure protection

- odorizer equipment 

Found in Technical Standard G-DN2003 (Page 4)

500

What 7 items are required to verify when inspecting a Relief Valve at its yearly inspection?


 - Good mechanical condition 

 - The proper set point [192.739(c)] 

 - Actuate the "main" valve piston in addition to the pilot. 

  - Unobstructed vent line 

 - Protective devices installed to prevent entrance of moisture, dirt, or other conditions that might prevent proper operation 

 - A properly supported and protected control line 

 - Adequate capacity and reliability, of operation, for the service for which it was designed 

500


The Company is responsible for ensuring that all work completed by its consultants and contractors complies with?


Federal and State regulations and the Company’s operating procedures. 

500

DOUBLE JEOPARDY

Regulatory requirements applicable to the design of Town Border Stations are found where?

In 49 CFR Part 192, State Codes, and in NFPA 54.

(Found in Technical Standard G-DN2003 / Page 3)