The Trussed Rafter Association
Voice of the Trussed Rafter Industry
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Unloading Trusses

The unloading process is the responsibility of the customer and mechanical handling equipment such as a forklift, telehandler or crane is required in most circumstancs to unload and move trussed rafters. The current roofing guidance document from HSE (HSG 33) states:

  • Always use a crane or other mechanical handling device for lifting trusses, unless this is not reasonably practicable.
  • Trusses over 95 Kgs should not be handled by manual means alone. Some form of mechanisation or  mechnanical assistance should also be used.  (contact your TRA Supplier for details on weights and dimensions of trussed rafters.) 

Contractors are  responsible for preparing a safe working method for the unloading, transport on site and storage of trussed rafters. TRA members can help Contractors develop safe methods of unloading by crane or other forms of mechanical handling equipment. These documents are available to customers from your Trussed Rafter supplier upon request. Should the safe working method identify any unusual requirements the Contractor should notify the Truss Fabricator before delivery.

The Contractor is responsible for the provision of appropriate equipment and manpower to comply with this safe working method and for the training of the manpower and maintenance of the equipment. Normally trussed rafters will be delivered in tight bundles secured with banding. Always use mechanical handling equipment, such as forklift, telehandler or crane, to enable the safe manoeuvring of these large units.

The Contractor is responsible for providing suitable access for the truss delivery lorry, level hard-standing for unloading and the provisions for the safe separation of pedestrians from the delivery and off-loading process.

Where a crane is used to off-load the Contractor is responsible for hiring the crane and for providing a slinger/banksman suitably trained in off-loading trusses.

If asked by the Contractor the Truss Fabricator and the Haulier will, where appropriate, co-operate in the development of a safe working method for these unloading activities. TRA Members have access to guidence on offloading of trusses without the need for anyone to access the bed of the lorry therefore eliminating the potential risk of a fall. TRA members also use different coloured banding or restraint to help reduce the risk of the wrong band/rope being cut during delivery. Ask your TRA supplier for more details

 

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