Page 19 - Alabama 811 Magazine 2019 Issue 1
P. 19

I  $ (1 to f ty
Part two: The mportance of 0SHA’s General Requirements
Ey David V odw

As discdssed iv: the Pmv‘ 1 ii/tlte series, iaerkiitg iii Irzmhcs and eieariitiaas is pafmfitxlly one u/the ntast h/1Zm'dU1A5 t‘_t/pcs ufwork II! the
eonsttiictioa and ufllify iitditstiy. Each year, as mtzny as 400 workers are killed and seiieral lhoiisaitd are itifared /zrmss the us Most e/these
1L'UIk('V5 ltiire reeeiiied nu training, and the tieiicltes and eircaeatiaits in whirh niishiitis iircai aie teliitiiicly shautiia (fire ta 15fccI dcept.

Th? ceiteial R('qIIil'EmEI(t‘5 section D/OSHA’: 29 cm 1925, siitnatt P 7 Eircaeatibits, addresses 0 YIIHllL'?1'!J!”(DY!ZY!1DY’I seiise ileiiis" related to
tieitcltes and errauations.

SURFACE ENCUMERANCES 7 These erlge, warning systems 7 such as systems. bracing, or underpinning may
are described as telephone poles, trees. barricades, spotters, or stop logs 7 are be required to ensure the stability ot
tire hydrants, street signs. sirlewalks, required these structures, and protect employees.
°“T""' “mi g““‘“' ““d ”‘"“'“ °‘Ti°““ HAZARDOUS ATMOSPHERES 7 LOOSE solL OR ROCK 7 spoils and
“d‘"‘°“‘ ‘° "“ “‘“"“‘°“‘ Th“ ‘}“’“M This section of the osHA standard ui ment must be setback at least

be removed or supported. to insure . ’ I E“ P ’ ’ ’

. _ . . is designed to protect workers trom two ieet irom the edge ot the trench or

‘hm “‘“b"“V “mi °“‘“g““d “"‘*"°"°°" so called "bad air " concerns include excavation

UNDERGROUND lNsTALLATloNs too little oxygen, too much oxygen, ‘NSPECNONS 7 A Pwmly [mined

7 These include underground utilities tlammable gases such as methane and d (11 d “C I ‘P _ ,,
such as sewer, ga-. water, and natural gas, and toxic gases such as ““ ‘“.’ “"2” ""‘P° ““ Em“

. . _ . must inspect the excavation daily,
telephone and electric lines. utility hyclrogen sulfide or carbon monoxide. ‘ ‘h I I f V k_ d _
companies must be contacted within Testing and the use of ventilation P‘“’d’ ;’ the ‘ “L ° Inf’  "‘d
established or customary local lead equipment are two or the most “fie ‘ ‘l"“5 __°“ d 3| ‘ I ““ ‘h
times, advised ot the proposed work, common. and important, methods ot “ " ”‘."° °"“" ““ ° "‘”‘“3 " E’

_ _ _ . _ hazard-increasing occurrences. The

and asked to establish the location of addressing hazardous or potentially ,,C ‘ ‘P _ ,, 1 h k

the utilities prior to the start of actual hazardous atmospheres. d°‘“P: 9“ _°’“°“‘ 't:‘““ _° 1“ _
excavation All underground utilities “ “N” “(:3“;' P“ §‘d”°.""“ ‘"3’ d
must be protected, supported, or i 2 °§.fl"‘. “gs "~35"
removed to protect workers. c‘;:'e“":f:"“‘;“}:a°za*:;";“u: 9
ACCESS or ECRESS 7 These are I 3 II or potentially hazardous

lust tancy words for getting in or 1 conrlitions.

out ot an excavation Trenches FALL PROTECHON 7

and excavations deeper than walkways WM‘ standard

tour feet require a means or Less Less . ’ ’

 and egress. ran worker 4- Than my 4- man up sw;*w-'~_~= ml."-ml yhm _
must be within 25 teet ot a 25 it. 25 M. “"P °Y'=*~ “Y =fi“'P'“°" 7"”

_ _ over excavations. wells, pits,

larlder, ramp, or stair The means 11 it I web d d
of access and egress must be ° " " ° :1" "‘““ “mm ‘
within a protected area. 40 fl ‘" “"9”

VEHICULAR TRAFFIC 7 Pm“? ‘.'°* "r:‘°‘“t“°“‘;°§"l‘}‘
workers exposed to traffic g “*2 ‘"_‘'’.° ““ f“ “_ "
must be provided with, and ““g’“““‘ “"“““’ "“‘“‘

. WATER ACCUMULATION 7 will help insure worker saiety, as well
must wear, waming vests or other E _ _ . _ . . ..
. . . mployees must not work in trenohes as help contractors and utilities stay
highly visible garments. signs, signals, . H
or excavations where there is legal with OSHA. .

barricarles. and/or ilagmen may also be acmmuhled mm 0! Whm mm

required N mum‘uhfing‘y “Ales. “mum Editors Note: This is the second o//tide
FALLING LOADS 7 workers are not precautions are taken. it the excavation “;""”;' 1:’ ”"‘f5";'-" ”‘“’d”"f;‘f5”5 5”’-’“/"
permitted unrterneath overhead loads. work interrupts the natural flow of 7 Zvi 5 ‘mm W 0; R" It ' I :25 {W

in addition, employees must stand surtaee water, then diversion ditches, " " " ”l"{'):f’f’” I 9 fff“ V “f F" Y
away from equipment being loaded or dikes, or other means maybe requlmd V”;:’"":7'_ f ‘1’;‘’'‘5 V’ ‘W; “;‘ ""’*”7"”"‘
unloaded tron. vehicles. to keep water out. :£W§f;E;:;;(i'::'::;r;f;$153325’,
WARNING sysnzms FOR MOBILE ADJACENT STRUCTURES 7 The tzmrlcs caitttiirttirs and ittivities iitiioloed
mull-MENT7 when equipment stability of sidewalks, streets, adioining in iiitdeigtoatid iiiarzr will need additional
is operated near the erlge of an buildings, walls, and other structures training It; H(5MI(' IA)01'kEI5flf('Iy.
excavation, and the operator does not can be endangered by excavation

have a clear and direct view ot that operations specialized slioiing

2019 Issue i aiitana oii . 17

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