Page 8 - West Virgina 811 Magazine 2018 Issue 3

lrench Collapse Injuries
They Happen Far Too Often and the Results are Always Devastating
M/Duvrdvuuw
« . ‘_ irsl, a few important
" ~ _ ~ ‘5 facts...
._‘» 7: - Wurking in trenches and
. _-~, i, _ ‘ zxcavalionsisuneoflhe most
_ _ 5» ‘ . 1, hnzazduui types Dfwozk.
‘ v.‘ 5 xv ‘ . ' - Aamnnyns'40lJwozkezl:'have
— ,; W been killed yeazlyanuene esand
. ' : 2xcnvauonsa:m~'sLheU.S.
‘ ‘ .' , - seveulchnm-and maze wozkezsazz
‘ 5 seunuslyinjured.
' ; . V - ._,s » - Mo.-1 uilherrenches and excavntinns
‘_o. t ' qyiaa mwhxch workers are m]ur2d or killed
.__.. i I ' are relauvzly shallow (5-15 feet deep)
~: 3‘ H ‘ , » - Many Dithewnzkershnvsnothad
. ‘ L " zxcnvatxonsafztylraining.
' 2- "“"-"~ — 5' u->’ .: x The Weighlofsoil
'* -1 , *';, ‘ 5; ,,;.. -f 1. , ; ,
V‘-' x ’ _ '- ;‘__5~ “.7 I _ ~ Manypeuplzdoninppizzcmlelhe>
mi 4. .0”: _,>__ 3* - ,,.,_ ‘Si.’ ,-\\ ‘V1,? - .\\ _ 5‘ weegme:so.1.onecub.e:oe«e:.e.1
_-.-5e_,,,,‘.(;5. »;._ e _ 4., V. .,e. .-,5.:3.é_,_,k_ w2|ghsb2tw:22n9l)andywpnunfls.
5“ \\_ ..=;.. , . , V ._ _ n.—~‘\\",=_, — 1u.mneeub.eyazaem.1(27eub.e
,, ».ef~‘:w \\1-'_%'-'? M .- -.-, ’ F 953*’-SQ - “ .‘- ".s"«."',~,\\-9.‘ T ,» feetlweighsbetwenn Z,430and
me, , .«'_L. .4 . . ,
xi" .3)‘, _ _ , A“ 5%: 5;, V. _\\__e,e,A.:,e»_._,., 3,7supoum1.. The humzmbody hut
a :7 5,5: ,3, nvmg n muc wexg a mu.

:.;, “’ ' ‘ -«_~'fE;*: Th2d2atl1.~'andm]uriesr2auIlfrom

,_ '*= . e.’ -_ .1 ‘ ‘ '=2:‘\\, ‘ su«oeauen,emshing,e1mwning,[mot
.. ' ‘»‘:.- ‘ -3‘ ,‘ ‘1 f‘ nrculariomand ab]eeme1ungma11mg
" ': ; ‘ ,, f-:~‘,__. min Lhelrench Drexcavntiun

' *5 ‘—~ . I 3‘ "5 I. caveansazemmpie mattzrofphysics.
- .. ‘ Think about ax. Beseze we excavate,
‘ " ‘ -, - ‘ all «hep1.y.aea1 furczsofnnture are
._ . A, - ‘ ‘,1 ‘,- :‘ unbalance. There xaequnlpressursm
_ A 7 '1 alldxrzclionsin Lhesuil Bulonce we
.~ v.; "1 u _ 3; slan2><cavatmg,weCrEaI2avo1d—an
‘ :3‘ ' ' _:'—--e ‘ emptyspane.Tl122anhwillwanIID
V " «, ' V H‘-:2 "1.ea1me1r"—exeepuns:ab1emck,

_._. ‘$15-”_ ' V. v _ . ‘ ' whichisextrem2lyram—by caving-in.
'3 '7‘ Thilend resulliséhalvihznlmnch

L‘ 1 7,‘. 1 .-:,u.:;._-::-,«,«, 1, .V .,_ wa acavzuwnn woz ex.-azenec
3‘: -.=-{~'-_avj..:.y.:‘:j ’u¥x,.'“. jv’~ pmpezly pmteded (by sloping, shoring,
':, W gegf. ' ._ ‘-I632‘ .;.t--I*.,.~:», “§.:,._;:\\.;;?_.-1 e:.~.hae1e1ing),theywi1Imosuikelybe
. v. ~,-. ';«:,-~_ w : -: ' , . \\ . 4 ., . ,3."-.*:\\~_‘,», crushed They dDn’l.s't2Indnchnnce.
,_..,,. "-r_—\\‘fl:LM’ --e. »..\\x~. .

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5. wee Wgrma 311 201.s,Lssue: