Page 19 - Louisiana 811 Magazine 2018 Issue 2
P. 19

hnes. Prlor to the start ul aetnnl exenvatron werk utrlrry mp ,., 3 _ Carefully Analyze um 5,,“

euenpanres mII~k be tolxtzlcmd wlth zldcqllalc, estnhlrslred,

er eusturnnry leenl lead tnnes, then advrsed of the propeseel An Important rc~'lmn~'|b|1|ty for the Comlxtcnt Pvmn M W11
wurk and nekeel tu deterrnrne the luentrun of the ntrhtres. am1y~l~- Even when ‘1°P"'§» ~m1> an->1y~'hI~t1m my fink
All underground ntrlrtres rnust be preteeted, snpperted, ur Mel» In °h"°"'"K :1 Promcuvv hyhtvvn»

mmvvcd to lvr°tw\wr1<=I~» There am hundreds of different types of sell. OSHA l~

. ACCESS 3, Ecpggg , 1},“ am. ,..., gm}, ‘ma, euneerned nuth .nst [our 7 stable Rock, Type A, Type B and
[er cntcnng nnel cxlllng an cxca\'al|v.»n. Trenehe. and TYPC C-

ereavntruns deeper then [our feet mqulrc n means et aeeess OSHA my. um Cumpmm mm“ mm Pcrfoxn,‘ at km
W‘ “I=I““"- A1“ °“““ ‘“'°'‘‘” "‘“*‘ 5*‘ W“"'“ 25 ‘°*“ °‘ " ene vrsual and ene manual test n; the sell that rs cxcavatcd.
laddvn mm? or «an Each mcam of ac<=»~~ and cam» mu“ Allcmallvclv, the curnpetent Pcxwrl enn nssnnre a "worst
be wlthm a l:r<>tmvd ma ense" seenanu and assume all the sell h "Type C,” ln raet,

. VEHKULAR nmmc , w,,,kc,. Cxpmd R, (mm: rnnny eontrneters nnel utrlnre. take the pesrnun thnt rt’. all
must he pruueled wrth, and mlht wear, wamlng vests or TYPC C-

ether lughly vmblc gaxmrsnh Slgn~', srgnals, hnrneades seep ; 4 _ use a pmmm symm

and/or flagmcn may nlsu he reqnneel.

V wrth une uxtcptlon, OSHA requrres the use ul pmlcctlvc

' FAU-‘NC LOADS — Work<'r~' arc not PL‘“"“"°d svsterns ln all trenehes nnel c><ce1vatl1.»n~thr1lam deeper than
ur-dcrnvath mills-Id l<md~'» in addmonr L‘ml>1<>y=L‘- mm‘ flvr: leer The ereeptren rnwrlves trenehes er ereavntruns
*‘““d “WW ‘“"“ °‘1“‘P"‘"“ b°"‘% 1°“d°°‘ ‘" “"‘“"°‘*“‘ In stnble rock In those ~IlIIe1l|()na, .t's "legal" te werk nuth
‘"-‘"‘ V°1“C‘°*‘ vcnlml walls, but note stable ruek rs extremely rare

' "VA“N‘NC SYSTEMS FOR M05"-E EQ”"’MENT * And rt a trench ur c><cr1vatlon|alcs~thr1n hue teet deep, n
"“‘°“ "‘°b‘1° “1“‘P“‘°‘“ "' °P""‘°d "°‘" W‘ "dS° “‘ N‘ pmlccllvc svstem I~ strll rcqulmd lf tlrere"s n potcnnzll for n
excavation end the cqulpmunt eperatur does not have n mm“ '

elenr and dlreet vlcw u[ that cdgc, warning systerns 7 sueh

as lrnrneneles, sputters, ur stop l<lg~ 7 nre mquucd. Nute that ln some states, luenl laws mqum: use of pruteetrve
- HAZARDOUS ATMOSPHERES 7 Thrs seetren er m M" M” '" mm‘ d“”’ “WW”
the OSHA stanelarel la elesrgned te preteet workers [mm ' ‘

suenlled ”bad an" ceneerns rnelude Ion httle oxygcn, There am hve optrons [or proteetrve systerns

mo nlueh 1.»xygcn,flzlmmzlblc gnses sueh ns methane and

natural gas and loxlc gases Mich n.s hydmgcn sulhele nnel “°‘”’””“’ 0” ""5513
carbon rnunende. Alm1.»~phL‘nc testnrg, along nuth the use

et vunlllatlon eqnrpenent, nre twe of the most common and

Importr1nlmclhv.»d~' et ndelressrng hnznrduus or petentrally V'VAx

haznrdens atmospheres. M ETRDTEGH

- WATER ACCUMULATION 7 VVoxk1:r~' rnnst net werk ,

In trenehes ur ereavntrnus where there h aeeumulnted

wnter, or where walker ls accumulatlng, unless adequate

preeautruns are tnken. II the ereavntrun woxk rnterrupts the

natural flow er surtnee wnter, then ehversron ehtehes, ehkes 1’

er othcx mcr1n~ may he rcqulmd tu keep water uut. ‘

- ADJACENT STRUCTURES 7 The stnlnlrry ui . mm   a. 

srdennlks, streets, zldymnlng bu|ld|ng~, walls and ether . er '1 '\ u M u ,.   ..,,_ __‘ ,.,,,
stnretnres ean be reelueed by ereavntrnn upernnuns. I  "  5],’, ,,  H: , \7L 

speeralrzeel shenng systerns, bmclng nndl ur undupmnmg

rnny be mqulrcd te ensure the stnlnlrty ul these strnernres , —

and tu preteet werkers .

- LOOSE SOIL OR ROCK 7 5pm] plles land equrpment) .r .. .r s —‘»‘,-l 4' 

must he set baek at least twu xeet from the cdgc ul a treneh I "m  3 _ > _

or cXC£\\'e1l|()n H J > V ‘ “ NH‘ 7

- FALL PROTECTION 7 wnlkways wnh standarel I H, ,,_,.,M L,
guardmlh am mqulrcd when employees nr eqnrpenent 1 v e um

eruss uver ereavntruns. wells, prts, shntts, ete., must be V ,

harneneled er revered V ~.

Pzlylng elnse nttentren te eneh of these Important potcntml / 1  I71,T‘I7'l‘.73I,1‘L7fl'7r ,.

dzlngcmu~ errennlstnnees wlll help rnsnre worker safety, ’ 'l_ l . >4 ‘h if r    

as well as help enntrnetnrs and uuln|L‘~"~tr1ylcgal" nuth

OSHA. .

 u lmh . l...  n.l..,.,
2013 new Lwlslsrufill .17

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