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 54 of 53 8 Doc u m e n t Identif icat ion S E L 018 P age Nu m b e r 4 of 1 9 Doc u m e n t C r e ation Dat e J a nua r y 1 2013 Im p le m e n tat ion Dat e o n Re vised Doc u m e n t Apr il 26 2016 T WA ti m e w e igh te d a ve r age The ti me w e ight e d a ve r a g e c on c e ntr a ti on of subst a nc e s that wo r ke rs ma y b e e x pose d to i n a norma l eig ht hour wor kd a y Vaul t An e nc losure a b ove or be low the groun d whic h e mpl o y e e s ma y e n ter for the pu rpose s of inst a ll ing c onst ruc ti n g o pe ra ti n g or ma int a ini n g e lec tric a l equipment or c a ble s Ve n tilation The c irc ul a ti on or e x ha ust of a ir int o or o ut of a c on fine d spa c e with s uff icie nt flow to re move f umes v a pours o r othe r tox ic c ontaminants Mec ha nic a l ventil a ti on re fe rs to the pr oc e ss of for c in g fr e sh a ir int o the c onfine d spa c e while w o rk is be ing c a r rie d out 50 R E S P ON S IBI L ITI E S 51 Ma na g e rs Responsibi li ti e s The mana g e r is re sponsi ble to Ma ke sure the C onfine d S pa c e C ode of Pr a c ti c e Se c ti on 70 a nd a n Entr y P e rmit s y stem i s in p lac e for e a c h c onfin e d spa c e Ensur e that the supe rviso r a nd the le a d h a nds a r e a pprop ria tel y tra ined a nd e duc a ted to e nter a nd c a rr y out t he ir re sponsi bi li ti e s of ove rlooking the C onfine d S pa c e s 52 S upe rvisor s R e sponsi bil i ti e s The supe rvisor is r e sponsi ble to Ma ke sure the wor ke r in c ha r g e re vie ws the C onfine d S pa c e C ode o f Pra c ti c e for e a c h c onfine d spa c e wo rking with ot he r e mpl o y e e s c ontr a c tors a t all customer sit e s a n d our c ustom e rs in it s re view Ensur e that a ha z a rd a sse ssm e nt i s c ompl e ted a nd the Code of P ra c ti c e mee ts t he re quire ments Ensur e that a ll e mpl o y e e s re quire d to ente r a c onf ined spa c e h a ve r e c e ived tra ini ng spe c ific to t he t y pe of c onfine d sp a c e th e y will e nter W he n re quire d c ontr a c t with knowledge a ble third pa rt y to p rovide c onfin e d spa c e e nt r y a nd e mer g e n c y re spons e se rv ice s P rovide a ll e quipm e nt ne c e ssar y for c on fine d spa c e e ntr y Ma int a in all re c ords o f c onfine d spa c e e ntr y fo r thr e e y e a rs 53 W orke r I n C ha r ge R e sponsi bil it ies The W orke r In C ha r ge W I C is re sponsi ble to R e view the Confine d S pa c e C ode o f Pra c ti c e a nd make sure a ll re quire m e n ts a re met be fo re wo rk be g ins De ve lop and r e view the Entr y P e rmit App e ndix A I d e nti f y a n y r e quire d c ha ng e s to t he C onfine d S pa c e C ode of Pr a c ti c e a nd or ina bil it ies to m a na g e the ha z a rds ide nti fie d a n d post pone wor k unti l t he re visi ons ha ve be e n c om pl e ted a nd a pprov e d b y the supe rvisor P rior to entr y c omm unica te the C onfine d S pa c e C ode of Pra c ti c e a nd Entr y to all emplo y e e s a nd pos t the E ntr y P e rmit at t he main e ntra nc e to t he c on fine d spa c e