West Leg Gas Main
Duluth, Minnesota
City of Duluth
The City of Duluth needed a second primary line to deliver natural gas into its distribution system. The West Leg Gas Main, a $3.8 million project, provides the economy of a secondary gas source as well as the security of a redundant, emergency supply.
The West Leg Gas Main consists of 7.4 miles of 16" pipe designed to accommodate the passage of internal inspection devices.
The pressure regulating station at the outlet of the pipeline is equipped for flow control. The Dispatch Operator is able to remotely balance flows between two gas sources.
LHB provided:
boundary and legal survey for planning
the route;
engineering design and drafting of
alignment sheets for preliminary, bid
and construction drawings;
coordination of subconsultants to
complete geo-technical survey,
environmental permitting, and right
of-way acquisition;
written specifications and special
provisions to the MNDOT
specification;
design of terminal stations for the inlet
and outlet of the pipeline.
All facilities were designed in accordance with the Minnesota Department of Transportation and the Minnesota Office of Pipeline Safety Regulations Part 192.
L.W. Survey conducted preliminary surveys and construction staking for this project.
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