Guidance on the design, manufacture and safe use of vertical telescoping hydraulic jacking systems has been published by the Specialised Carriers & Rigging Association, a US-based trade association.* The 14-page brochure explains different types of lifting methods, the use of header beams, and how to set up lifts and distribute loads.
Other sections cover personnel safety considerations and training requirements. The appendices feature a simple pre-lift checklist.
*Recommended practices for hydraulic jacking systems is available from the SC&RA, 2750 Prosperity Avenue, Suite 620, Fairfax, Virginia 22031-4312, USA. Tel: (+1) 703 698 0291, fax: (+1) 703 698 0297. E-mail: info@scranet.org
