Belte r r a Cor p or at ion S afety M an ual D oc I D C H S M BE L 2 0 1 7 Pa g e 1 77 of 53 8 Doc u m e n t Identif icat ion S E L 020 P age Nu m b e r 7 of 10 Doc u m e n t C r e ation Dat e Ma y 2 2015 Im p le m e n tat ion Dat e o n Re vised Doc u m e n t Ma y 15 2015 91 P ORT ABL E L AD DERS The va rious t y pe s of po rta ble la dde rs in c lude S te p lad d e r A se lf sup porting porta bl e ladde r n on a djust a ble in len g th h a ving fl a t st e ps a nd hing e d b a c k S in gle Lad d e r A non se lf supportin g porta ble la dde r non a djust a ble in le ng th consist ing o f but one se c ti on I ts s iz e is desig ne d b y ov e ra ll len g th of the side r a il E xte n sion L ad d e r A non se lf supportin g porta b le la dde r a djust a bl e in l e ng th P orta ble L a dde r Sa fe t y P re c a uti ons L a dd e rs sha ll be pl a c e d with a se c ur e footing a n d the y sh a ll be ti e d a t t he top or he ld i n posi ti on whe n the la dde r is be in g use d to fa c il it a te w ork L a dd e rs use d to ga in ac c e ss t o a roof or oth e r e lev a ted w ork a re a s shall ex tend a t l e a st one me t e r a bove the point or suppor t The foot of a ladd e r sha ll be use d a t such a pit c h that the hor iz ontal dis tanc e fr om t he top s uppor t t o the f oot of the ladde r is one qua rt e r of the wor kin g len g th of the l a dde r the len g th alon g the la dde r be twe e n the foot a nd the support ie the 41 rule shoul d be a ppli e d f or e v e r y four fe e t of h e i g ht t he ladde r must be one foot a wa y fr om t he v e rtic a l str uc ture L a dd e rs sha ll ne v e r be us e d in t he horiz ontal posi ti on a s sca f folds or wor k p latfor ms The top 3 of a porta bl e stepla dde r sh a ll not be use d a s a step I t i s pe rmiss ibl e to wor k off a ladd e r f or a short pe riod of ti me less than 15 mi nutes without the ne e d to hook on i f 3 po int c ontac t i s maint a ined ie Re plac in g a li g ht bul b whe re y ou r 2 f e e t and one ha nd 3 point c onta c t is m a int a ined 92 F IXED L AD DERS A f ix e d ladde r is a ladde r pe rma ne ntl y a tt a c he d to a struc ture buil din g or e quipm e nt F ix e d ladde rs with a le ng th of mo re tha n 20 f e e t t o a max im um unbroke n len g th of 30 f e e t shall be e quipped w it h c a g e s f a stene d to t he side ra il s of the fix e d ladde r or to the struc ture to en c i rc le the c li mbi n g spa c e A f i x e d ladde r le ss t ha n 20 if u se d onl y for a c c e s s doe s not ne e d to be c a ge d 93 RES P ONS IB IL IT E S P ORT ABL E L AD DERS S af e ty of f ice r s s u p e r visors or lead h an d s or o t he rs in a uthorit y sh a ll I d e nti f y sit ua ti ons whe re the use of po rta ble l a dde r s is re quire d De ter mi ne the t y pe o f po rta ble la dde r r e quir e d for the ta sk a s pe r the re quir e ments P rovide e mpl o y e e s with t he a pprop ri a te por table l a dde r Ensur e that wor k e rs a re i nfor med of the p rope r us e c a r e a nd mainten a nc e of po rta ble la dd e rs a nd Ensur e that wor k e rs use t he a pprop ri a te p orta ble l a dde r