Underground Construction - June 2021 - 15

By 1994, considerable new business was found south of the border.
Mexico was liberalizing its gas distribution practices and Chile,
Argentina, Bolivia and Brazil listed aggressive pipeline construction
plans. But natural gas prices hit record lows and several companies
canceled pipeline programs, including Alberta Natural Gas' $37.5 million
expansion from British Columbia to the west coast of the U.S.
In the U.S., increasing popularity of cogeneration plants was
bringing new business to pipeline contractors.
A newer rehabilitation technology, pipe bursting, and an
established cured-in place pipe (CIPP) rehabilitation technology,
saw strong growth and popularity in the industry.
UCT launches
In early 1995, the first Underground Construction Technology (UCT)
International Conference & Exhibition was held in Houston. Offering
educational sessions that explored real-world issues and solutions,
hands-on exhibits and networking opportunities, it immediately
became - and remains today - a highly valued annual event.
An interesting domestic project that same year was the 560mile
gas distribution system for Northern States Power Co. in
Minnesota. Completed by Mueller Pipelines, it featured use of coiled
plastic pipe and successfully addressed numerous environmental
concerns created by wetlands located throughout the project.
In 1996, the federal pipeline safety bill, Accountable Pipeline
Safety & Partnership Act, passed, elevating attention on this
critical issue.
The " information highway " was covered extensively in the magazine,
including an article about installation of a state-of-the-art,
hybrid, fiber-coax network in Chicago, Detroit and Columbus, and
a large fiber-optic installation project in Oklahoma.
Contracts were awarded on the $380-million, 785-mile,
24-inch-diameter, crude oil Express Pipeline, from Alberta,
Canada, to Wyoming.
An especially significant trend starting in 1996 was project owners
and contractors " partnering " or joining into alliances, to work
more closely together than they ever had, and finding positive
results as they shared risks, as well as rewards.
1997
Magazine changed its name to
Underground Construction.
A 7.5-mile, 96-inch-OD raw water transmission
line was completed for Colonial Water Authority
of Texas
Record elevation gas pipeline was completed
in Columbia.
McElroy introduced its latest innovation
in hydraulic fusion machines.
1998
One-Call Notification Act (of 1997)
went into effect.
Rhode Island completed the 10-mile,
$33.4-million water project linking three
Bristol County communities to fresh water
supplies in nearby Providence.
50th anniversary
Pipeline & Utilities Construction celebrated 50 years as " the leading
magazine of the underground construction industry, " covering
traditional/open-cut and trenchless approaches.
The magazine greeted 1997 with a new name. Underground
Construction better reflected its broadened focus on the
diversification of the industry and detailed coverage of all facets
of the utility construction and rehabilitation markets.
A 7.5-mile, 96-inch-OD raw water transmission line was completed
for Colonial Water Authority of Texas.
While trenchless rehabilitation was growing, there were still
times when the only solution for deteriorating sewer lines was
complete replacement the " old-fashioned way. " Such a project, in
Knoxville, Tenn., included excavating and installing approximately
20,000 LF each of 18- to 60-inch storm sewer pipe; 8- through
60-inch sanitary sewer pipe, including 1,100-foot-long tunnel for
24-inch carrier pipe; and water pipe ranging from 2 to 8 inches.
Cable installation was generating a tremendous amount of work.
Projects in 1997 included installation of a $100-million, 542-mile
digital fiber-optic network along the highway system in New York,
primarily with plowing equipment and rock-wheel trenchers to cut
through difficult soils. HDD was also used to bore under surface obstructions,
such as on-off ramps, bridge abutments, railroad tracks,
streams and rivers, and uneven terrain.
Safety was front-and-center in 1998, with the One-Call
Notification Act establishing the program to protect people, property
and facilities, and the environment from excavation damage.
It outlined required elements, including minimum standards and
provisions for implementation and enforcement.
Rhode Island completed a 10-mile, $33.4-million water project
linking three Bristol County communities to fresh water supplies in
nearby Providence. A five-year, $30-million combined sewer overflow
(CSO) project for Massachusetts Water River Authority would
involve both construction - 8,200 feet of new 36- to 66-inch-diameter
pipe - and rehabilitation - 2,300 feet of 18-inch sewer pipe with
24-inch sewer pipe - in a tight, urban residential neighborhood.
Natural gas started flowing to many new markets with comThe
$1.2-billion Maritimes and Northeast Pipeline
was completed, transporting Sable Island gas
through Canada and Northern Maine to key
U.S. markets in the Northeast.
With completion of the latest route, Williams'
fiber network was one of the largest in the
U.S. - over 19,00 miles in the ground, and
17,000 miles in-service, with expansion to
32,000 miles scheduled by December 2000.
Enron began construction of a fiber-optic line,
extending from Salt Lake City to Houston.
Level 3 Communications was formed,
in Omaha, to build the world's first
telecommunications network using Internet
Protocol packet switching technology.
1999
CASE entered the trenchless industry, introducing
at UCT two new directional drilling rigs and a
new mixing system. A third directional drill
model was introduced later in the year.
Underground Construction launched the
UCT Seminar Series, holding two Advanced
Municipal Sewer & Water Workshops.
Michels Pipeline Construction achieved a
new length-width record in directional drilling:
a 24-inch, 6,041-foot bore largely through
solid rock.
Innovative pipebursting contractor made
a record-length run for upsizing 24-inch
to 26-inch on a sewer project.
New liner product was introduced that
used HDPE pipe as inner and outer liners,
then filled with cementitious grout.
UCONonline.com | JUNE 2021
15
http://www.UCONonline.com

Underground Construction - June 2021

Table of Contents for the Digital Edition of Underground Construction - June 2021

Contents
Underground Construction - June 2021 - CT1
Underground Construction - June 2021 - CT2
Underground Construction - June 2021 - Cover1
Underground Construction - June 2021 - Cover2
Underground Construction - June 2021 - Contents
Underground Construction - June 2021 - 4
Underground Construction - June 2021 - 5
Underground Construction - June 2021 - 6
Underground Construction - June 2021 - 7
Underground Construction - June 2021 - 8
Underground Construction - June 2021 - 9
Underground Construction - June 2021 - 10
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Underground Construction - June 2021 - Cover3
Underground Construction - June 2021 - Cover4
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