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Ropebraiders
Application engineering

Utility & Transmission

Pulling lines, guys and stringing rope for the grid.

Transmission work puts rope alongside energised conductors and under sustained tension holding structures in place. Both demand dielectric behaviour and dimensional stability. Neither tolerates a rope that gets longer.

What actually governs the spec

Dielectric performance when dry and clean, plus creep resistance under sustained tension. A guy that elongates is a structure that moves.

The problems worth solving

01

Stringing without torque build-up

A pulling line that builds twist puts it into the conductor. Torque-free 12-strand and plaited constructions displaced laid rope for exactly that reason.

02

Permanent guys that hold their length

A guy that will never be re-tensioned needs LCP's near-zero creep. Polyester works at lower loads. Standard HMPE does not, whatever its break strength.

03

Weight on the crew, not just the drum

Synthetic pulling line at an eighth the weight of steel changes what a two-person crew rigs in a day, with none of steel's stored energy.

Typical design factor

5:1 for pulling operations; higher for permanent guying per structural design

A starting point, not a specification. The governing standard, the consequence of failure and the inspection regime all move this number.

Documentation supplied

  • ISO 9001
  • Dielectric test data on request