Road Traffic Accident Procedures (6) Service Delivery 2

RTA (6) Vehicle Construction Stabilisation Techniques.

Vehicle construction ‘A’ Post ‘B’ Post ‘C’ Post Sill.

Vehicle construction Shut line.

Stabilisation Stability is of prime importance at any RTA Should take very little time to establish and be re-assessed periodically during the duration of the extrication The position of the vehicle should not prevent adequate stabilisation taking place.

Stabilisation Step chocks Blocks and wedges Pneumatic lifting units (air bags) Hydraulic equipment Mechanical winches. A variety of equipment is utilised to achieve stability, for example;

Step chocks Advantages; One piece design ensures easy handling Disadvantages; Can cause obstruction to opening doors if not placed correctly.

Four methods Step chocks and wedge Blocks and wedges Flat tyre method Lifting method.

Step chocking.

Block and wedge.

Flat tyre chocking.

Do not block when placing packing. Extrication routes are limited

Vehicles on their side Inverted step blocks GP line.

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