Title: +038=627.001-##001T_03-Fasadevasksystem NorAcon - International Code of Practice (ICOP).pdf
2.7.7.4 It is recommended that back-up devices used are of a type that will not slip at a static load of less than 2.5 kN to allow for two persons to be supported from it, which may be necessary in a rescue situation.2.7.7.5 When selecting a back-up device, it is essential that the probability of foreseeable misuse and the consequences of such misuse are assessed. When such an assessment has been made, a residual risk of misuse may exist, which should be addressed by identifying and applying specific control measures, such as the selection of alternative equipment, extra training, modification of work practices, increased supervision or a combination of these.2.7.7.6 Special consideration should be given to the suitability and performance of back-up devices if they might be used during rescue, because potential loads could be significantly higher than the manufacturer’s maximum rated load.2.7.7.7Additional selection criteria for a back-up device include:a)