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UNEXPLODED ORDNANCE - Wind Energy Network

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SPONSORS OF EAST OF SCOTLAND<br />

Technip Offshore <strong>Wind</strong> pioneers vital step<br />

change in safety for cable installation<br />

A ground-breaking new technology<br />

which significantly reduces offshore<br />

array cable pull-in time by up to 60%<br />

and offers a vital step-change in<br />

safety practices has been pioneered<br />

by Technip Offshore <strong>Wind</strong>.<br />

Pull-In Module (PIM) – reduces<br />

time and risk<br />

The integrated Pull-In Module reduces<br />

the risk of injury to personnel offshore and<br />

saves substantial operational time at each<br />

cable end with the innovation having been<br />

successfully launched and recovered more<br />

than 30 times without incident.<br />

Identifying existing operational<br />

pitfalls<br />

Technip developed the PIM after<br />

identifying pitfalls in existing methods<br />

of conventional lifting equipment used<br />

to install cables subsea and through<br />

J-tubes.<br />

The safety challenges included: wires<br />

strained under tension on deck; the winch<br />

operator being remote from the work<br />

site; and the frame considered unsafe for<br />

personnel working at height.<br />

The operational inefficiencies identified<br />

by Technip were: the frame was liable<br />

to swing around on the crane while also<br />

not being aligned or bolted down; the<br />

movement of a vessel was able to snap<br />

winch wires and a lengthy three hours<br />

preparatory work was necessary before<br />

installing cables.<br />

Ron Cookson, Senior Vice President<br />

at Technip Offshore <strong>Wind</strong>, said: “The<br />

challenges identified meant personnel<br />

were exposed to risk of injury while<br />

the cable pull-in operations required<br />

significant, costly vessel time. These<br />

difficulties can also be further exacerbated<br />

by environmental factors such as poor<br />

subsea visibility and strong currents.<br />

“When developing PIM, we aimed reduce<br />

the safety risks by removing vessel winch<br />

wires from operation and introducing<br />

compliance to industry standards. We<br />

also wanted to improve operations by<br />

reducing vessel dependency time as well<br />

as making the array cable installation<br />

process smoother and safer.<br />

“As a result of its design, PIM has<br />

substantially improved safety during<br />

key operational phases and increased<br />

operational efficiency.”<br />

Specifications<br />

PIM is a three-leg tripod featuring a selfcontained<br />

winch, equipment storage, and<br />

no bolted connections. It can be installed<br />

in any orientation and reduces damage<br />

risk to transition pieces.<br />

As a result, it not only removes vessel<br />

winch wires from operation and is<br />

compliant to industry standards, but it<br />

fundamentally reduces vessel<br />

dependency and improves the<br />

speed of installation. It also<br />

provides on-board equipment<br />

storage and incorporates power<br />

supply for lighting and tools.<br />

Ron Cookson added: “Ultimately, PIM<br />

provides personnel with significantly<br />

safer work platforms for cable pull-in<br />

activities, while pull-in completion time<br />

is radically reduced by up to 60%. This<br />

is a major game changer for the industry<br />

and underpins Technip Offshore <strong>Wind</strong>’s<br />

market-leading position in offshore and<br />

infrastructure project management and<br />

its commitment to helping clients deliver<br />

projects cost-effectively, safely and on<br />

schedule.”<br />

Technip Offshore <strong>Wind</strong><br />

www.technip.com<br />

76<br />

www.windenergynetwork.co.uk

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