Underground Construction - July 2019 - 11

The Pipeline Safety Act directs operators
of pipeline facilities (except distribution
and gathering pipelines) to submit
geospatial data and technical data, such
as design and material specifications, to
PHMSA for use in the NPMS. PHMSA has
collected data for the NPMS since 1998. The
revised information collection described in
PHMSA's April 11, 2019, notice was first
proposed in 2014 and modified in 2016.
The revised, proposed data elements in the
latest notice respond to comments received
at those earlier times.
The first tranche of new data would be
collected a year after whatever the PHMSA
effective date becomes, if in fact the new
data requirements are approved by the
White House. Phase II information would

be collected in the second year. Phase III
would kick in in 2024 and transmission
pipelines would have to submit positional
accuracy of +/- 50 feet accuracy for all
segments in Class 2, Class 3, or Class 4
areas; within an HCA; and where there are
one or more buildings intended for human
occupancy or an identified site within the
potential impact radius (PIR). All other gas
pipeline segments must be mapped to a
positional accuracy of +/- 100 feet.
MidAmerican's Sears commented to the
PHMSA that "the most efficient and costeffective method of bringing data elements
into compliance with the proposed
standard is to update centerlines during
scheduled in-line inspection runs. Absent
a critical emergency, MidAmerican finds

it difficult to justify passing the additional
expense on to its ratepayers. Accordingly,
MidAmerican recommends that the data
collection standard reinstate the original
seven-year deadline for Phase-3 reporting."
While the Phase III deadline is
problematic for both transmission and
liquid lines - the latter would have to
submit data with a positional accuracy of
+/- 50 feet - some elements in all three
phases are controversial, including in-line
inspection capability, which would be a
Phase 1 requirement. On the one hand,
Paiute said it has no problem submitting
pipe diameter, wall thickness, pipe
material, pipe grade, seam type, decade
of installation, coated, onshore/offshore,
class location, and abandoned pipelines. *

BUILDING
INFRASTRUCTURE;
BUILDING
RELATIONSHIPS
Core services you need. Core values you
can depend on. That's Minnesota Limited.
Where transmission pipeline construction
and maintenance services are backed
by our Core Values: Safety, Quality,
Commitment, and Reputation.

www.mnlimited.com
IT'S TIME TO GET YOUR HANDS DIRTY.
Find your new career at mnlimited.com/careers

i
UConOnline.com | JULY 2019

11


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Underground Construction - July 2019

Table of Contents for the Digital Edition of Underground Construction - July 2019

Contents
Underground Construction - July 2019 - FC
Underground Construction - July 2019 - IFC
Underground Construction - July 2019 - Contents
Underground Construction - July 2019 - 4
Underground Construction - July 2019 - 5
Underground Construction - July 2019 - 6
Underground Construction - July 2019 - 7
Underground Construction - July 2019 - 8
Underground Construction - July 2019 - 9
Underground Construction - July 2019 - 10
Underground Construction - July 2019 - 11
Underground Construction - July 2019 - 12
Underground Construction - July 2019 - 13
Underground Construction - July 2019 - 14
Underground Construction - July 2019 - 15
Underground Construction - July 2019 - 16
Underground Construction - July 2019 - 17
Underground Construction - July 2019 - 18
Underground Construction - July 2019 - 19
Underground Construction - July 2019 - 20
Underground Construction - July 2019 - 21
Underground Construction - July 2019 - 22
Underground Construction - July 2019 - 23
Underground Construction - July 2019 - 24
Underground Construction - July 2019 - 25
Underground Construction - July 2019 - 26
Underground Construction - July 2019 - 27
Underground Construction - July 2019 - 28
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Underground Construction - July 2019 - 30
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Underground Construction - July 2019 - 35
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Underground Construction - July 2019 - 40
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Underground Construction - July 2019 - 42
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Underground Construction - July 2019 - 49
Underground Construction - July 2019 - 50
Underground Construction - July 2019 - IBC
Underground Construction - July 2019 - BC
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