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Carrot Bolts 25-Oct-2007 At 8:09:35 PM jgoding

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Steph - May I suggest you speak to any of the following who will be able to offer professional advice on what meets current BCA (Building Code Of Australia) requirements:

1: Ian Anger - Direct Access Services (Phone: 0407 260 18, e-mail: ian.a@directaccessservices.com.au)
2: Jeff Little - Vertigo (03) 9322 4222
http://www.vertigo.net.au/portfolio/

FYI These guys are both very experienced climbers, and are total pros (with insurance). Any job they do won't go wrong, you can bet your life on it, as they and their staff will too.

Ian has recently specified an excellent, cost effective fall arrest system for a project of mine.

Keep in mind that the fall arrest system is more than the fixing point, it includes the harness, and connection to the fixing. They should all be suitably rated to withstand the BCA requirements.

Keep in mind that the limit states (ultimate braking load - which is what you see on karibiners, wires, cams etc) is not the same as the SWL (Safe Working Load) or WLL (Working load limit), which generally factors in a safety factor or either 3 or 4 (depending on the legal requirement).

In short - seek professional advice, and use professional fixings, designed, specified and installed by professionals.

It would be useful for you to be able to produce test results for the anchors as well, to prove that they actually conform to the design parameters. Sometimes (rarely) an installation does not go as planned, unless tested you'll never know. I know for sure that Vertigo has a number of nifty test units (HILTI ones) which you simply wind up and they tell you how much load the anchor is under.

Hope this helps.

Joe