Page 18 - Damage Prevention Journal 2017 Issue 3
P. 18

Vacuum Excavators Water Main
l'nsmzn|, ACTS Naw, u...
S I] ll  Valves “’ 
I ' N ‘ M
4
» n
‘  ;~. - V '
“"' ‘- e -V  f ,,“’_ Val,
 : =. «/~ I -.. ma»:-=.:.
a . ». = «aw :%/
 “ _ ' , _, . " ; ’ d
_‘ l : '
:  . ’ - 3 J
_———-' -‘
_ ‘.
sl . v
aw ' .
'9 3. ; \ ,
ale: mmn breaks are In years and you've got an exlmuded
lmpurlant too’ Not crew before the mpalr work can he 7
only Lhal they am pretty eompleleul and In .-ume cases even " .4
common Ask any walsr atarled

opnratnr and they'll lell you, lhey

happen at he laaaaa Intzrsectlons aaa Vf‘;j'k$“;; “fj13f*="v “";?=*“s §'°"P

   - ‘
A. an old wnlcz guy, we had more limited tuna. and pez.s0nnEl,I}1I2y wem ‘ ‘S V — _ _
than my share of mpalnng Wale: mam mqulred lu figum out how to malmaln l ~ »

lueale. In the coldeal pan of wmler lheu syslem. so that when emergtncles

when: the warmest placs to «and was occurmd, they could focus on the break ‘

In Lhe dltzh mll of water |ry|ng to pul and ml the flaws In Lhelr ayalem. - , I

a clamp on Lhe plpe. M.1nvtlm2.s,I . » .

, . — Hem Is one .-ueh water .-upeumeudem ,7 1 , V
couldn (even alow the water down ,,
He told me, The bmaks m our system

because [was unable to find lhe shutoff b ‘h ‘I f

valve or the valve was frozen upen. §:‘:m;h::l’~_‘:d ‘;y“fx‘:"§v::£°n°’E“hEr Q

In acme of the large: municlpalilies, way it‘s important that we mpmx (112 '

It may be neczasazy |o ..-hul seveml break as qulck as Is po..ahlex'

vnlvza to .-low Lhe volume of water to a of mum ‘hm mm“ findmg an the

ruptured p|pI2. It takes zlppruxlmzllely _ _ _

. valvca In ha. ayatnm,wh1:h wa. an
25 turns to close an zlghl-Inch gale .
, _ ongmng project at Lhe ume of the .
yalye Muluply that by 15 GI’ 20 valve. . 4»
that l\av2n’l been Exezclsed 01’ located ‘“‘°""‘“': T1“ W‘ Pm“ °‘ ”‘° ‘’’°'“‘ ,
D wa. vexy ahlemung.
I6 Damage Frevemlurl Juumal - em Issue 5





































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