This means: Any component part within the system is backed up by another.ġ2 100% REDUNDANCY Fire Service Manual states: ROPE CONSTRUCTION A knotted rope loses 1/3 of its strength All rope that is subjected to a shock loading must be withdrawn from use Stored in rope bags in a haphazard fashion with an overhand knot tied 1.5m from the end Typical strength loss of a knotted rope 39% (HSE tests) (for practical application allow 33% reduction)ġ1 100% REDUNDANCY Wherever possible it is advisable to build 100% redundancy into a system. in dirty water.ĩ A knotted rope loses 1/3 of its strength May have been exposed to chemical agents, silt, etc. (Apollo II 1st fall stretch of 35%, static elongation 9.5%)Ĩ ROPE CONSTRUCTION Three types of rope used by DFRS Technical Rescue teams Canyoneering 11mm kernmantle Floating rope Type ‘A’ rope Orange in colour NOT to be used in rope rescue Type ‘A’ rope Type ‘A’ is a half rope (must be doubled up to act as a point of contact) Use Water rescue only. Non elastic No more than 5% stretch with 150kg applied (Antipode & Industrie Static load stretch 2.8%) Breaking strength 1kN = force exerted when 1kg falls through 1m Colours Red - used as working line White - used as safety lineħ ROPE CONSTRUCTION Three types of rope used by DFRS Technical Rescue teams Dynamic 11mm kernmantle More elastic Multi coloured Withstand impact force of 7.7kN Used for cowtails and ascenders Elasticity Stretch of up to 25%. Operate safely on rope systems, whilst carrying out various rescue techniques.Ĥ PPE Each member of the Technical Rescue team that may be required to enter the risk zone will wear: Technical Rescue PPE (orange) Technical Rescue boots Harness Rope Rescue helmet Rope Rescue gloves 4Ħ ROPE CONSTRUCTION Three types of rope used by DFRS Technical Rescue teams Static or pre-stretched 11mm Low stretch kernmantle (LSK) Non elastic Breaking strength of 30kN Not designed for shock loading Red or white in colour Low stretch kernmantle straight length inner core, woven outer sheath. Select, use and maintain the appropriate equipment required for a task. Perform various types of rope rescue techniques. Demonstrate the ability to select and construct suitable anchors. 1 Technical Rescue Rope Rescue Operator Courseġ Working in partnership to make Dorset safer 1Ģ AIM To train personnel in rope rescue techniques to operator level as approved by our training provider.ģ OBJECTIVES At the end of this course the student will be able to:-ĭemonstrate the aspects necessary for scene safety.
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