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 3 07 of 53 8 1 0 OBJ EC T I V E To de fine a nd p romote sa fe wor kin g pro c e dur e for a bra sive op e ra ti ons whi c h mus t be a dhe r e d to b y B e lt e r ra pe rsonne l and c ontra c tors 2 0 IN TRO D UCTION 21 Abr a sive bla sti n g invol ve s the use of h a nd he ld o r a utom a ti c e quipm e nt w hich dir e c ts a bla st of a bra sive ma t e ria l a ga inst a surf a c e in ord e r to c le a n the sur fa c e r e move bur rs a nd e x c e ss m a ter ial o r de ve lop a sur f a c e finish 22 C omm on a bra sives va r y fr om m e tal shot a nd c li p pe d wire to non met a ll ic a bra sives suc h a s g a rn e t g lass be a ds m e tal sl a g p lastic me dia sil icon c a rbi de a nd mos t commonl y mi ne ra l sl a g 23 P orta ble bla st m a c hines c onsi st of a sourc e of c om pre ssed a ir a pre ssu re ve ssel or c ontaine r to c ontain the a br a s ive a m e ter in g de vic e to contr ol the a ir to a b ra sive ra ti o a nd flow a fl e x ibl e hose to deliver the a br a sive a ha nd he ld noz z le to dire c t t he a bra siv e onto t he b lasting surf a c e a nd fitt e d with appr ove d sa fe t y de v ice s 24 Ma nua l uni ts ar e sim il a r t o the por table unit s e x c e pt t ha t t he ope ra ti on is c o nfine d to a c ha mb e r e spe c iall y de si g ne d for t he purp ose 3 0 H AZ AR D S Ha z a rds a ssocia t e d with abr a sive bla sti n g c a n be divi de d int o two c lassific a ti ons S a fe t y Ha z a rds a n d He a lt h Ha z a rds 31 S AF ETY HA Z ARDS P oor h ouse ke e pin g Unsa fe e quipm e nt due to mec ha nic a l we a r I n c orr e c tl y fitt e d unit s P e rsona l P rote c ti ve Equi pment including Air f e e d bl a st helm e t i nc ludi ng spa r e visors for th e he lm e t Ea r muf fs plu g s Doc u m e n t Identif icat ion S W P 003 P age Nu m b e r 2 OF 3 Doc u m e n t C r e ation Dat e Ma rc h 01 2017 Im p le m e n tat ion Dat e Ma rc h 30 2017 Ope ra tors b re a thi n g e qui pment f or c le a ne r a ir B last a pron a nkle le n g th C ompl e te bla st s uit L e a ther g lov e s