STATION DESIGN CONSIDERATIONS - ohiogasassoc.org

Meter & Regulator Station Design

1

Design Data

Minimum / Maximum Pressures

MAOPS

Design Pressures

Test Pressures

Minimum / Maximum Flows

Future loads

Gas Quality

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Siting

Preliminary station design

Space requirements (lot)

Electric, phone, other

Fence, walls, gates (drive & man)

Buildings, enclosures

Vehicular protection

Other land rights (including aerial, mining & building setbacks)

Other Locations / Options

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Siting

4OGA 2014 Technical Seminar

Station Layout

Filters / separators

Heaters

Block valve setting(s)

Meter setting(s)

Regulator setting(s)

Pressure recorder

M & R building foundation(s)

Telecommunication building

Pipe supports & foundation(s)

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Regulator Sizing & Selection

Over-pressure protection

Monitor regulation

Relief valve(s)

Shut-off valve(s)

Parallel or Redundant Runs

Run sequencing

Token relief

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Meter Selection

Meter typeOrifice

Diaphragm

Rotary

Turbine

Ultrasonic

Other

Single run

Multiple runs

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Inlet & Outlet Piping Sizing

40 mph (58.7 ft/sec)

60 mph (88 ft/sec)

Can you afford pressure loss?

Meter and Regulator Headers

13.6 mph (20 ft/sec)

20 mph (29.3 ft/sec)

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Valves & Fittings

ASME/ANSI CLASSES

pressure, temperature rating

Material grade (pipe: Grade B, X42, etc.)

Wall thickness

Valves

Ball, gate, plug

o Weld

o Flanged

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Regulator Control Lines

Tap(s)

Size

Location

Supply gas

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By-Passes

Station

Meter run

Regulator run

One valve

Two valves

Regulator

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Station Pressure Drop

Valves

Heaters

Separators

By-pass

Piping

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Instrumentation

Communication medium

Sensors

Pressure transducers

Temperature transducer

Meter signal

Pressure recorders

Mechanical

Electronic

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Design for Installation

Above / Below Grade

Valve Hand Wheels

Height of Building vs. Meter

/ Regulator Settings

Ease of Replacement Weight of equipment

Future – Regulation / Meter

Replacement

14OGA 2014 Technical Seminar

Design for Operation & Maintenance

Space between settings

Space between runs and building walls

Height of settings

Crane

15OGA 2014 Technical Seminar

Other Considerations

R/W’s, Easements

Permits

Public concerns

Environmental

Costs

Reliability

Future

Growth vs. decline

16OGA 2014 Technical Seminar

Questions?

17OGA 2014 Technical Seminar