All life safety rope must meet specific physical standards and characteristics as defined by nfpa.
Life safety rope rating.
Standard on selection care and maintenance of life safety rope and equipment for emergency services is the primary document that details rope selection and.
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.
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 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.
A low stretch rope would have 6 to 10 elongation at 10 of the rope s mbs.
The 2018 edition of nfpa 1858.
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.
Nfpa 1858 5 1 2 and a 5 1 2 offers guidance to help firefighters determine when each type of rope is needed.