Gas Pressure System Boundary Indicator

Question

In ArcFM classic there is a field that may be present on multiple device classes, and always on the classes that hold regulators and valves, named GASPRESSURESYSTEMSTATUS which indicates whether the device acts as a pressure system boundary.  Some companies might have a field with another name (such as PARTITION) which is assigned a model name to indicate it serves this purpose.

I assume there is a field with a similar purpose in UPDM, but I can't seem to locate it.   Any guidance would be much appreciated.

Thx,

Ed

EdwardBlair · Answer

Hi Tom -

This is a really good point. I will need to check further into the legacy
data.

Thx,
Ed

Tom DeWitte · Answer

Hi Ed,

Controllable valves rarely sit on the edge between two pressure zones of different pressures.  To allow a technician to open a controllable valve on the edge of two differing pressure zones, puts the equipment and customers within the lower pressure zone at risk of over-pressurization and system failure.

Within the natural gas industry there are some who refer to Regulators as Pressure Reducing Valves.  Since these are two terms referring to the same type of device, within UPDM we refer to these devices only as Regulators.

Is it possible your legacy dataset, has generically classified a regulator as a valve?

Tom DeWitte

Lead Solution Engineer - Natural Gas

EdwardBlair · Answer

Hi Tom -

Thanks for the detailed response.   With this the path for regulator configuration is clear.

However, what of valves that sit between two pressure systems?  Are there expectations about asset group/asset type assignments for such valves?

Thanks again,

Ed