A low stretch rope would have 6 to 10 elongation at 10 of the rope s mbs.
Life safety rope rating.
7 1 4 life safety rope and equipment that are known to be or suspected to be contaminated with body fluids shall be evaluated on the incident scene by members of the organization authorized to conduct a preliminary assessment of the extent of contamination and the need for the life safety rope and equipment to be isolated tagged and bagged at.
The 2018 edition of nfpa 1858.
Section 5 2 2 of astm f1740 96 2007 guide for inspection of nylon polyester or nylon polyester blend or both kernmantle rope recommends 10 years as a maximum rope life.
Nfpa 1858 5 1 2 and a 5 1 2 offers guidance to help firefighters determine when each type of rope is needed.
The committee felt that after 10 years of storage it might be worth considering replacement of a life safety rope even though the rope had not been used.
1 1 1 this standard shall specify minimum design performance testing and certifications requirements for life safety rope escape rope water rescue throwlines life safety harnesses belts victim extrication devices litters escape webbing escape systems and auxiliary equipment for emergency services personnel.
The umbrella term life safety rope encompasses technical use and general use rope yet both types have extremely high safety ratings in all critical dimensions loads falls etc.
In 1998 the cordage institute published standard ci 1801 low stretch and static kernmantle life safety rope which defined a static rope as having a maximum 6 elongation at 10 of the rope s minimum breaking strength mbs.