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3. Adjustable dock railings
Adjustable ramps are designed to compensate for the difference in level between the height of a dock and the loading surface of a docked vehicle, and to provide a continuous link between the two. These devices are integral with the dock, protruding from it or embedded in the loading surface.
They can be manually operated or actuated by an electro-hydraulic or pneumatic control mechanism.
The use of an adjustable ramp ensures personnel safety and speeds up truck loading and unloading operations. There are three types of ramp:
manually operated ramps, where the platform movement is balanced by a counterweight or spring;
automatic ramps activated by the vehicle. When the vehicle backs up against the movable stops, it activates the platform lift, which then lowers...
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Adjustable dock railings
Connecting bridges
Safety brochures published by INRS http://www.inrs.fr
Safety data sheet ED 679 – Tail elevators.
Safety in the use of light materials handling equipment – p. 64 to 72 – Mobile bridges.
Safety data sheet R 223 – Use of transshipment areas.
Stopping as Carefully as Driving" brochure – Tips for loading and unloading vehicles.
European standards http://www.afnor.fr
- Rampes ajustables - NF EN 1398 - 12-1997
- Prescriptions de sécurité des tables élévatrices - NF EN 1570 - 9-1998
- Partie 1 : Hayons élévateurs pour marchandises - NF EN 1756-1 - 3-2002
Organizations
Syndicat des industries de matériels de manutention SIMMA
Chambre syndicale nationale des carrossiers et constructeurs de semi-remorques et conteneurs CARCOSERCO
Union de normalisation de la mécanique UNM
Institut national de recherche et de sécurité INRS
Bureau de normalisation de l'automobile BNA
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