engineering check list

7/27/2019 Engineering Check List

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Date: *To be completed by AltaGas operations engineer prior to drawing approval

Plant Customer Name

Name Contact Name

E-mail Address

Phone E-Mail

Phone

Tie In #: ________ ______ ______ Tie In or Meter LSD: ___ ______ ______ ______ ______ ______ ____

Deficient

Not Required Yes No

1. Completed AltaGas Customer Tie-In and Metering Form

2. Surveyed site plan

a. Site plan matches physical site

b. Site plan includes relevent dimension

c. Lease ownership access resolved with land/operations

d. Adequate AltaGas riser access

3. Process & Instrumentation Diagram

a. P&ID matches physical configuration of existing piping

b. Customer has supplied a flange for future connection

c. P&ID indicates pipeline MOP, line sizes, line numbers, and line specs

d. Customer pipeline MOP: kPa

e. AltaGas pipeline MOP: kPa

f. Pressure protection is provided (2 forms)

g. P&ID is stamped by a professional engineer

h. ESDV is provided (required for sour gas)

i. Expected flow rates will not affect existing contractual pressure commitments

j. Operations has approved configuration

k. AltaGas P ipeline P&ID revisions (or creation) prepared (submit once well flows)

l. Depressure capabilities at both ends of Customer pipeline?

Engineering Tie-In/Meter Checklist

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a. All valves, fittings & flanges meet CSA specs or alternatively B16.5 or B16.9

b. Above ground equipment meets low temperature specification

c. Isometric piping drawing matches physical configuration of existing equipment

d. Structural supports adequate

e. Cathodic insulation kits identified to isolate customer P/L

5. Meter Schematic

a. Meter is after the separator

b. The schematic match the physical meter configuration

c. Design capacity of meter is appropriate for expected flow

d. Temperature, pressure, and dP sensors are located appropriately

e. No fuel take offs after meter

f. AltaGas flow diagram revisions prepared (submit once well flows)

6. Gas analysis

a. Are any post well stimulation contaminents expected (i.e. propane frac)?

i. What are they?____ ________________________________________

ii. Do we have a plan to monitor and control them?

b. Are there any irregularities in the composition?

i. Will they affect our processes?c. Is there field treatment of H2S?

i. What is the untreated H2S concentration? ___ ___mol/kmo

ii. What is the treated H2S concentration? ___ ___mol/kmo

d. Are our pipelines appropriately spec'd to accommodate the 2S composition?

e. Does ERP/EPZ need modification?i. Pipeline license H2S concentration = ___ ___pp

ii. EPZ calculation operating H2S concentration = ___ ___ppm (A

iii. New gas H2S concentration = ___ ___ppm (B

iv. Is a new EPZ Calculation required? (If A>B)

v. New ERP calculation completed

f. Have all chemical injection fluids been identified and approved for by pipeline integrity?


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Deficient

Yes No

7. AltaGas squad check

a. Pipeline Integrity Name __________________

b. Operations Name __________________

c. Construction Name __________________ Operations Engineer (or Designate) must approve any deficiencies prior to flowing

General comments on additional deficiencies not listed above:

Operations Engineer Signature: Date:

Form to be sent to AltaGas Tie-In Coordinator w ith approved ti e-in drawings (P&ID, Iso, Site Plan and Flow Diagram)

Engineering Tie-In/Meter Checklist


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Rev #5

engineering check list

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