Underground Construction - September 2020 - 13

sion pipelines the changes they had requested after publication of a final rule last
October titled, "Safety of Gas Transmission
Pipelines: MAOP Reconfirmation,
Expansion of Assessment Requirements,
and Other Related Amendments."
After that rule was published, a number
of industry groups asked the agency to
reconsider a couple of key provisions,
especially the one requiring companies
reconfirm maximum allowable operating
pressure (MAOP) in certain circumstances.
PHMSA acceded to that request on July
15 via a final rule that says operators do
not have to reconfirm MAOP of pipeline
segments if they have traceable, verifiable
and complete pressure test records. The
rule also makes it clear that the requirements on MAOP do not apply to distribution or gathering pipelines.
The October 2019 gas transmission rule
focused on the actions an operator must
take to reconfirm the MAOP of previously
untested natural gas transmission pipelines and pipelines lacking certain material
or operational records. It also required
operators gather any necessary material
property records, where the records needed
to substantiate the MAOP are not traceable, verifiable and complete. Examples of
the records necessary to confirm MAOP
include pressure test records or material
property records that verify the MAOP is
appropriate for the class location.
On Oct. 31, 2019, the American Public
Gas Association, the American Gas
Association, the Interstate Natural Gas
Association, and the American Petroleum
Institute (the Associations) submitted a
petition for reconsideration of the MAOP
provisions in that rule.
Though PHMSA confirmed that distribution pipelines were not subject to the
MAOP requirements, PHMSA published a
separate proposed rule in June 2020, which
would make changes to the Distribution
Integrity Management Program (DIMP).
That proposal would provide operators
of farm taps originating from regulated
source pipelines the flexibility to choose
between inspecting pressure regulators,
pursuant to their DIMP, or using pressure
regulators and overpressure protection
equipment to be inspected and tested

at least once every three calendar years.
Farm taps originating from unregulated
gathering and production pipelines and
master meter operators would be exempt
from both DIMP and incident and annual
reporting requirements.
In addition to the DIMP proposals,
the proposed rule includes a provision

applicable to all gas pipelines: increase
of the property damage threshold
associated with a reportable "incident"
from the existing $50,000 to $122,000.
If adopted as final, pipeline operators
would no longer have to report smaller
incidents that cause property damage
below the threshold. *

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13


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Underground Construction - September 2020

Table of Contents for the Digital Edition of Underground Construction - September 2020

Contents
Underground Construction - September 2020 - FC
Underground Construction - September 2020 - IFC
Underground Construction - September 2020 - Contents
Underground Construction - September 2020 - 4
Underground Construction - September 2020 - 5
Underground Construction - September 2020 - 6
Underground Construction - September 2020 - 7
Underground Construction - September 2020 - 8
Underground Construction - September 2020 - 9
Underground Construction - September 2020 - 10
Underground Construction - September 2020 - 11
Underground Construction - September 2020 - 12
Underground Construction - September 2020 - 13
Underground Construction - September 2020 - 14
Underground Construction - September 2020 - 15
Underground Construction - September 2020 - 16
Underground Construction - September 2020 - 17
Underground Construction - September 2020 - 18
Underground Construction - September 2020 - 19
Underground Construction - September 2020 - 20
Underground Construction - September 2020 - 21
Underground Construction - September 2020 - 22
Underground Construction - September 2020 - 23
Underground Construction - September 2020 - 24
Underground Construction - September 2020 - 25
Underground Construction - September 2020 - 26
Underground Construction - September 2020 - 27
Underground Construction - September 2020 - 28
Underground Construction - September 2020 - 29
Underground Construction - September 2020 - 30
Underground Construction - September 2020 - 31
Underground Construction - September 2020 - 32
Underground Construction - September 2020 - 33
Underground Construction - September 2020 - 34
Underground Construction - September 2020 - 35
Underground Construction - September 2020 - 36
Underground Construction - September 2020 - 37
Underground Construction - September 2020 - 38
Underground Construction - September 2020 - 39
Underground Construction - September 2020 - 40
Underground Construction - September 2020 - 41
Underground Construction - September 2020 - 42
Underground Construction - September 2020 - 43
Underground Construction - September 2020 - 44
Underground Construction - September 2020 - 45
Underground Construction - September 2020 - 46
Underground Construction - September 2020 - 47
Underground Construction - September 2020 - 48
Underground Construction - September 2020 - 49
Underground Construction - September 2020 - 50
Underground Construction - September 2020 - IBC
Underground Construction - September 2020 - BC
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