FROM CONCEPT

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TO CONNECTION

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Value: Multi Million
Distance: 21.8km
Duration: 4 months

Hollow Core Fibre Connection – Data Centre

The client required the installation of new 33kV circuits and fibre infrastructure, including ductwork, chambers, and a 33kV switchroom, to support network upgrades and connectivity using hollow core fibre in north London.

THE CHALLENGES

Communication and authorisation from borough councils for cabling works posed a challenge, alongside difficulties in routing cables through street environments while maintaining HCF integrity.

WHAT WE DELIVERED

  • JSM planned, managed, and coordinated all phases of this multi-million pound project, including detailed design, permitting, construction, commissioning, and handover.
  • The team installed 1,983metres of new ductwork, constructing 12 chambers, and proving 21,172metres of ducting.
  • The team installed and spliced a total of 21,807metres of Hollow Core Fibre and Single mode Fibre cables.
  • Works also included supply and installation of a 33kV switchroom and 3.1km of cable ducting with cable pull and jointing, completed to specification and tested for compliance.

33kV

CIRCUITS

1,983m

NEW DUCTWORK

21,8km

TOTAL CABLE INSTALLED

specialisms used

  • As-built drawings
  • Ductwork
  • Hollow Core Fibre
  • Splicing
  • Fibre installation
  • Feasibility
From an operational perspective, this project was about maintaining consistency and quality across a busy urban route. By keeping teams aligned and responding quickly to on-site challenges, we were able to deliver the works efficiently while maintaining high standards throughout.
Toby Ford
Head of Operations