Page 17 - West Virgina 811 Magazine 2019 Issue 4
P. 17
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OPTION 2 » TIMBER SHORING ‘w A ~ \ o .
Tlm l.- a sy.-mm ui wooden walen, mm braces, ‘ ' ,-
and uprlglu.-, Lhat mpporl Lhc walls of a rrmclr K V g .
or cxca\'al|1.»n.Thc OSHA Standard .-pcorlm the -'
mo. of tlmbcm, bilécd upon the varrou. typo of , .
.ml, tlm depth of (In: trnnch or cxcavauon, and the . ' >.
type cf llmbu med [0 bulld Lhc ~tructun:(or1k or £ ‘ ‘
Dollglm fix) A. a pxactlcal matter, [cw cunkxactun - > », I \‘ . ~ .
ax uulmc: u~L‘ umbu .-lrormg. There are a number \ N A‘ ., _ ‘:1 ,_ ‘
of rl-amrm, mcludlng llmltcd r1vallr1blllly of umber, - Q ~ ‘ h , ‘I’ ‘v
the nund for ~klllcd tazpunlch to bulld the ~y~tv:m, __ , _ l, V. . _ . ,-- J14». 3 ,
l1'1L‘l|l'l'|C rcqulredmbulld,aafctyhauta, E\ndl1'1L‘L‘flay A‘; l l _ . l_ __. v_’ ,— A
avzulablllty cf othcr, mom ml uffutllvc, ~y~lL‘m~'. ‘~ ' 11:4; _ ., K u ‘ — ' Q . . _
as ‘ ‘
OPTION 3 » ALUMINUM HYDRAULIC —- ‘lb 2
SHORING ‘
These .y.-mm. have rcplaccd a lot of umber
.lmrmg Developed m Calllornla m (In: late leslv.-, l
|hL‘rc am [we rypn. of hydmullt ahonng: vumcal .
.lmrm and honzuntalwr1lu~.Bnth cmploy -T
alllmmllm ralli and lryrlraulm cylmrlor. that apply
prmurn to the wall. of a trench, creating an "amlung ,
elem" chm prevents the walls‘ from collapung ‘ '
OPTION 4 » TRENCH SHIELDS "
These am aluminum or «col ~'lru:turc~' ole.-rgrmrl ‘
I0 pxotncl workers by wrllmlanrlmg the fumes '
Impched by a cave-ln Rcgardlcmoftllc mal12r|r1lthcy _ r
am made oi, the pnnnplcs are (lit .-amo. " A$b¢.~,_;,»,;.V , - ._
OPTION 5 » SITE-SPECIFIC ENGINEERED r
SYSTEMS ‘, \‘
Otcmlolmlly um clam. m tlm OSHA slanrlarol for ‘ '7' V
.l.apmg and bcnclung, or umber .lmrmg, a. well a. ‘ I \
manllfatlumd sysmm. ~uch a. alummum hydraull:
.lmrmg or [much .-luclrls, wlll not work. Tlmm may ,_.,
be lob-~llc oonolmmr. that Cxwl ur other factors‘ |hat ~, 2 -
pmvcnl the um of such .y.lcm.. In these .mmlma., \ - X
a rcglslcrcd prlalcmoraal cnglncrsrmual rlmgn a , ‘ I x
.y.lma ~pcuficr1lIy fur the mb. Thu oagrrm ho. to . ‘ rs‘: ' \
bu mglalcrcd m the «am whom (11: .-y.-lam wlll be , 3 .‘ -, .=» ‘ \
umd, and wlllhavclo"~tr1mp" tlu: design Them _ I _
arc addmonal n:qu|mmcnh,r1~ wcl1,r1llofwhl:}l are .< vi ;
covcmd m ch: OSHA slanrlarol. ‘ ‘H :‘ :-
To ~ummanzL‘, by lmvmga properly {ralncdand l A’ ' r
authonzcd "CumpnlL‘nlI"chon"1.»n am, iolluwlng > ‘r . " ‘ '
the CL‘ncmlRcqu1rcmL‘nl~ .-comma of Lhc OSHA ' - , K
Standard, camfully cla.-alyrng (hr: sol], and uullzmg ‘ 7,; :
pmtcctlvc .y.lcm., we can all work safely m lrL‘n:hL‘~ ‘ I jg’ ; -A
and uxtavallom. fig ’ r _ '* ‘ ‘ l
r =' l
mlmwa Nm. TM5 I5 lmallrlll amlfimll lzrllclc m Ihls - ‘ — "
scrms Hm!dlicllssrsspcrmrstcpa Ihrlltantrnclorsrllld ' . ll ‘ » rm.-—
IAILIIIICS um I;11<('!aVu'l;u'll5l4n'!hr srl/t'I_l/ o/mm ,amo.mrl. ‘ _
Oln/lmA5I_I/, ms ...-. /111 ozlcrzllrnl or (hr sub/AT! II .5 lmp|75sIHA' —s; ' -_ . -;
Iallroprrlytawr Ihc Ioyutut/Msf/mAl'rrIn!Im'Iys71arI r a._ _ ~ r ,-
lzrllclrs. CDItI1'/1CII71'5 and lmllms Mn/okled m llrlrlrwollrln t V '5. ;/_.
mm mm mrd ndlmmnnl Imlllmg fa mm zluurkwsrlfrry '‘~’‘ _g. _- r, _ — I ‘T
Hop] Mlllmllr ma.m.ll. «7HL‘M< arr ml lvllrzll arm Wm ' ~ A ,—i l
!v»XM7AlllvwllvllH nmlh «7M‘M< mllk ,a..,l-..l.ala (wt! mm Hlwlrvrmm 7‘/ILKMJH fix: ' \3 ‘ ' , W _ 7 —
2019 Issue 4 West Vllglma an . 15