Title: +038=627.001-##001T_03-Fasadevasksystem NorAcon - International Code of Practice (ICOP).pdf
c) Example of double protection being provided by the use of anchor slingsFigure 2.5 — Typical arrangements in a rope access anchor system© IRATA InternationalPart 2: page 51 of 682014-Jul-01IRATA International code of practice for industrial rope access Part 2 of 5: Detailed guidance2.11.2The anchor system (anchors and anchor lines)The anchor system is of primary importance in the rope access system and should be2.11.2.1 unquestionably reliable.2.11.2.2 When selecting, positioning and using anchors, the principle of double protection (see 2.11.1) applies and, therefore, at least two independent anchors, i.e. at least one for the working line and at least one for the safety line, should always be used.2.11.2.3 The recommendation to use two independent anchors applies even when attachment is to be made to an anchorage (i.e. a structure or natural feature) where it is apparent that the anchorage has more than adequate strength, e.g. a large steel beam.