final water supply
TRANSCRIPT
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WATER DISPOSALFIXTURES
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WATER DISPOSAL FIXTURE
WASTE WATER FIXTURES
Receive wastewater
Eg: Hand basins, showers,
baths, sinks and tbs!
S"I# FIXT
co$$e
e&cre
Eg: t
s$o(
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Discharge pipe from waste water fixture to gu! t
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WATER TRA)Ever* +i&tre that discharges +o$ water 'st incor(orate a water tra
(revent +o$ air +ro' entering the bi$ding!
$ocated as c$ose to the sanitar* +i&tre as (ossib$e
re'ovab$e or +itted with a c$eaning e*e!
A tra( 'a* serve '$ti($e +i&tres!
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-U##. TRA)S
-$$* tra(s receive discharge +ro' wastewater +i&tres! "ne g$receive discharge (i(es +ro' severa$ ot$ets!
I+ a drainage s*ste' beco'es b$ocked, the g$$* tra( (rovides where sewage can over+$ow otside the bi$ding, instead o+ bi$d
inside the (i(e and over+$owing inside the bi$ding!
(revent sr+ace water +ro' entering the tra(!
be $ocated within the $ega$ bondar* o+ the $and
have at $east one discharge (i(e +eeding into it to 'aintain the w
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/E0TI#ATI"0 "F 1RAI0S
/enti$ation to redce the bi$d2( o+ +o$ air within the drains!
A discharge stack that is within 34 ' o+ the head o+ the drain 'a*
the drain vent (i(e!
Re%ire'ents :
ever* drain 'st be venti$ated b* an 54 '' dia'eter 'ini'' which ter'inates to o(en air
ever* branch drain over 34 ' in $ength 'st be venti$ated
vent (i(es 'st be $ocated so that there is $ess than 34 ' o+ (drain
vent (i(es 'st be $ocated downstrea' o+ the discharge (i(e th
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7ain 1rain /enting
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8ranc
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Air Ad'ittance /a$ves
AA/ (rovide an a$ternative to rnning vent (i(es to the otside o+
Air ad'ittance va$ves 'st be:
a 'ini'' o+ 344 '' above the weir o+ an* tra( that the* serv
+itted in an (right (osition!
The* 'st not be sed:
on a stack vent that is a$so a drain vent
as 'ain or branch drain vents 6 these 'st be vented to the o(
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Air Ad'ittance va$ve2 c$osed
Air Ad'ittance va
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T*(ica$ air a
va$ve insta$$
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"asic rues for water pipes #ischargi$g to a gu!
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W9 )A0S2 1IS9HAR-E )I)ES A01
/E0TI0-
W9 (ans 'a* connect direct$* to a drain or a discharge stack! Wh
discharging to a drain, W9 (ans 'a* be:
vented b* connection to a drain vent as $ong as the deve$o(ed not e&ceed 3! ' +or an 54 '' dia'eter (i(e, or ; ' +or a 344
dia'eter (i(e
connected direct$* to a drain withot venting i+ both the 'ain drdischarge (i(e gradients are 3:;4 or 'ore, and the deve$o(ed not e&ceed 3! ' +or an 54 '' dia'eter (i(e, or ; ' +or a 344
dia'eter (i(e!
When discharging to a stack, W9 (ans 'st be vented!
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Water c$oset connected direct$* to drain
not re%iring venting
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/enting
water c
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/entin
water
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8asic r$es
serving two