SC-Coppell HS-LR000308 (2) UTILITY &
.:. '. L OW PRE$$U/~E AI/~ TEST/~OR GP, AVITY ~A~IT'ARY'$EW£R ..!
.,.~:'~i;:': ' Tes'` Procedure:
I ?!i Each seclion o~' sewer shall be tested between sucessive manholes.
~.] .... Air snail be inlroduced into the pipeline until 4.0 psl gauge pressure has been reached.
~'~' . ,e.,~ ',nd; Jime Ina flow of air shall be reduced and the internal air pressure shall be maintamec "~
9er',;,,ee~ 3 5 and 4 5 ps! gauge lot at least two(2) minutes to allow the air temperalure to come
.,.. v~.~...,r.~m wire Ina ~emperature of the pipe walls. Pressure in the pipe shall be cons:an'`h'
moq,~oreo by a gaL, ge and nose arrangemem separate Irom the hose used ~o intrco~-ce a.~ ..-.'c.
:::e: ';e Press=re :n me p,pe shall no', be allowed to exceed 5 psi.
&fie; :ne '.emperalure has stabilized and no air leal~s at the plugs have been found, the a~r pressuce
sna,. ~e .;sec ',o de,erin:ne the time lapse required for the air pressure to drop to 2 5 ps'. gauge
~! {ne -'.,me lapse req~,red Ior me air pressure to decrease Irom 3.5 Id 2.5 psi exceeds ,.na~ snc,,.,,.~ ...
'ne.'c:!owmg~ao,e Ihe p~pe shall be presumed to be wilhm acceptablelimil$[oriea~,age
· '.ne '.:me a~$ec ,$ less IP, an that shown in the lable, me contractor snail make correc".~on$
.... e :ne ear, age ~o acceptable !:,mits ::
',_,ne ,nlo,'ma ion I J J JTest Results lair Tes', jManore:
L;ne Station to Station Pipe Size L.F.Tes~ed Time Passed~ Pas.see
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