Supply of Towlines - Rio Tinto Limited

⁠⁠⁠Context
The tow lines are critical to ensure the safety of personnel, tug and vessel.

Scope of work
Supply tow lines between tug and vessel.

Specifications

Cape Lambert
Mainline
116mm Primary Double Braid Polyester Mainline X 110 metres effective length, with enhanced friction reduction and or wear protection.
*eye spliced each end, 1.5 metre soft eye *Supplied on wooden reel*
Minimum Break Load – 206Te *spliced*
Elasticity – 15-20% at MBL
ABS Class Type Approval – 15-HS1433999-PDA
DNV Type Approval – TAK0000044

Pennant or Tail
60mm Plasma HMPE 12x12 X 35, metres in length.
Minimum Break Load – 240Te *spectacle spliced to one end of mainline*
Elasticity – 4-5% at MBL
ABS Class Type Approval – 15-HS1434000-PDA
DNV Type Approval – TAK0000043

*no applicable Australian standard for sizing tug mainlines – GL Noble Denton guidelines can be used as a reference for calculating rope strength against tug BP*
*All ropes are manufactured and tested to cordage institute guidelines & ISO 2307*

Dampier
Mainline
64mm Plasma 12x12 Main Tow Line, 120m effective length, 2.0m soft eyes with HMPE SX GARD spliced each end, HMPE SX GARD to encapsulate splice and run 8m down rope body each end, 28mm plasma messenger line supplied on each end of mainline @ 30m length with 300mm soft eyes. *Rope to be tagged with Etiflex tag* *Supplied on wooden reel*
Minimum Break Load – 270Te *spliced*
Elasticity – 4-5% at MBL
ABS Class Type Approval – 15-HS1434000-PDA
DNV Type Approval – TAK0000043`

Further Notification
The scope of work is a summary description of goods and / or services that may be required by Rio Tinto and may be subject to change in Rio Tinto’s absolute discretion.