Briefly suspended entry apparatus (TSAE) aid or include staff operating at peak on engineering and development websites. BS 5974 offers assistance and proposals on fitting (erecting, changing and dismantling), preserving, reading and utilizing TSAE in a secure demeanour. It additionally units out the tasks of all employees inquisitive about operating with TSAE.
BS 5974 makes options for the choice, layout, install, inspection, use and upkeep of briefly put in suspended entry equipment/systems (TSAE), as outlined in BS EN 1808. Non-standard installations also are coated by way of this code.
TSAE could be a operating platform or structures, paintings cage or chair suspended from a suspension rig which might be assembled on the office, used to hold out particular initiatives. TSAE will then be dismantled and faraway from where of labor while the explicit projects are whole for use elsewhere.
The apparatus stated in BS 5974 is sometimes suspended from metal twine ropes which are connected to the outriggers of a suspension rig or different appropriate high-level anchor aspect. it truly is in a position to being raised or decreased through a winch or hiking machine that may be connected both to the operating platform(s), paintings cage or chair or be integrated into the suspension rig. The lifting equipment or home equipment should be manually or strength operated. In definite cases, the TSAE may be included right into a method that permits it to be traversed horizontally.
Steeplejacks and steeplejack operations will not be coated in BS 5974. It additionally doesn't disguise completely put in suspended entry gear, that apparatus is roofed via BS 6037-1.
Requirements for slung scaffolds, being operating structures on scaffold tubes or twine ropes yet which can't be raised or decreased through the consumer, are contained in BS EN 12811-1.
This model of BS 5974 is an entire revision of the normal, and introduces alterations a result of following:
• adjustments in laws, particularly the creation of the Lifting Operations and Lifting gear rules (LOLER) 1998
• Advances in technology.
This model of BS 5974 replaces BS 5974:1990, that's now withdrawn.
Read Online or Download BS 5974:2010: Code of practice for the planning, design, setting up and use of temporary suspended access equipment PDF
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Additional resources for BS 5974:2010: Code of practice for the planning, design, setting up and use of temporary suspended access equipment
2 Thorough examination following TSAE installation The on‑site thorough examination of TSAE should be divided into two parts; firstly, the components should be examined as separate units and, secondly, the installation as a whole should be examined. The first characteristic of the complete installation to be confirmed is the stability of the suspension rig against overturning when the maximum suspended load is applied; the competent person (thorough examination) inspecting the TSAE should ascertain the weights of the suspended equipment and the WLL of the hoists and should then ascertain that a stability factor of safety of three is met, for example, by reference to load tables, drawings or calculations provided by the supplier organization.
4 Safety components All lock nuts, cotter pins, fixings and other retaining pins should be replaced if found to be defective. 5 Glass reinforced plastics and similar materials Any components that might deteriorate under UV light should be stored away from sunlight, be carefully inspected for cracks and other defects and repaired or replaced as necessary. 6 Wire ropes Wire ropes should be stored under dry cover when not in use, off the ground and kept away from corrosive materials or prolonged damp or heat.
3 Counterweighting of modular suspension rigs The supplier of a modular suspension rig system should have a data sheet available giving details of the magnitude of counterweight to be used. The data sheet should cover the extreme condition or when the configuration of the jib is such that the rope anchor point of the jib is at its maximum designed outreach from the fulcrum point and the minimum “tail back” length is used. The data sheet may also include examples of various configurations of the telescopic jib with the possible variations of outreach, “tail back” and magnitude of the counterweight required in any of the variations shown.