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| Name: |
David Atkinson |
| Company: |
M G Bennett and Associates Ltd |
| University: |
Leeds University |
| Course: |
Mechanical Engineering |
Horizontal Directional Drilling for pipeline installation
As part of a multimillion pound contract for MG Bennett &
Associates, David has designed and overseen plans for a series of horizontal
directional drills, a pipeline installation method, connecting a gas tank farm
to a power station in an environmentally protected area. Taking into account
various factors such as cost-effective plant hire and avoiding sensitive
obstacles such as a liquid natural gas line in the area, David has successfully
completed the designs to a high standard and on time, thus retaining an existing
client and developing the reputation of MG Bennett for future business
development.
Background
Bennett Associates is a mechanical and structural design
consultancy providing engineering solutions to a worldwide market. The client
for this particular project was Stockton Drilling Ltd., which is a pipeline
contractor specialising in the trench-less method of Horizontal Directional
Drilling (HDD) for pipe installation. In this circumstance they were contracted
by the owners of the power station in the area.
Approach
David’s project was to fulfil the contract with an established
and repeat business client, Stockton Drilling Ltd., to provide a detailed design
of one or more horizontal directional drills along a pipeline linking a gas tank
farm to a power station. David started by conducting a topographical survey of
the required route using an electronic distance measurement device, followed by
a geotechnical survey to fully understand the location and allow for the
requirements of HDD drilling: entry, exit angles, locations and curvature of the
pipe. He then went about designing the process, including launch and reception
pits, layout of the site for the various equipment needed, and making
calculations of pulling forces and ground settlement, both vitally important as
in the area was highly sensitive cryogenic liquid natural gas bund. Such plans
had to be accurate, to avoid the many obstacles, as well as ensure the minimum
amount of disruption to a heavily protected environmental area.
Results
David’s detailed design as part of a multimillion pound project,
has aided the safe and accurate installation of the pipeline, without disrupting
the environmentally protected area and keeping costs and the need for plant
machinery to a minimum. By completing the work to a high standard and on
schedule, the project portrays a positive image of MG Bennett to both the
existing and long-standing client, but also to new business.
www.yini.org.uk
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