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G-CANS: THE WORLD'S LARGEST DRAIN THE METROPOLITAN AREA OUTER UNDERGROUND DISCHARGECHANNEL

Andry Ardiansyah14!!1""4Mahasis#a $%r%san Arsi&(&%r )a(%*&as T(ni( War+ad#a

, (a.ian &/ri0 dasar +i(iran

1 n2r&ian

-n2r&ian drainsa +n%r%& ,,raa ah*i :

a 3a+%s ,sar ,ahasa Ind/nsiadrainas0drainas0 n 1 n2a&%san5 ! nya*%ran air5 6 sa*%ran air5

, Dr Ir S%riin7 MEn2 8!""459drainas ++%nyai ar&i +n2a*ir(an7 +n2%ras7 ++,%an27 a&a%+n2a*ih(an air S;ara %+%+7 drainas did4?:1Drainas yai&% s%a&% ;ara +,%an2an (*,ihan air yan2 &ida(diin2in(an ada s%a&% darah7 sr&a ;ara-;ara nan222%*an2ana(i,a& yan2 di&i+,%*(an /*h (*,ihan air &rs,%&

Pn2r&ian drainas s;ara %+%+ :Drainas +r%a(an sa*ah sa&% =asi*i&as dasar yan2 diran;an2 s,a2aisis&+ 2%na ++n%hi (,%&%han +asyara(a& dan +r%a(an (/+nn

n&in2 da*a+ rn;anaan (/&a8rn;anaan in=ras&r%(&%r (h%s%snyaDrainas .%2a daa& diar&i(an s,a2ai %saha %n&%( +n2/n&r/* (%a*i&as air&anah da*a+ (ai&annya dn2an sa*ini&as7 di+ana drainas +r%a(ansa*ah sa&% ;ara +,%an2an (*,ihan air yan2 &ida( di in2in(an adas%a&% darah7 sr&a ;ara-;ara na22%*an2an a(i,a& yan2 di&i+,%*(an/*h (*,ihan air &rs,%&Dari s%d%& andan2 yan2 *ain7 drainas ada*ah sa*ah sa&% %ns%r darirasana %+%+ yan2 di,%&%h(an +asyara(a& (/&a da*a+ ran2(a +n%.%(hid%an (/&a yan2 a+an7 nya+an7 ,rsih7 dan sha&

! $nis dan =%n2si drainas

)%n2si Drainas

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• Un&%( +n2%ran2i (*,ihan air dari s%a&% (a#asan a&a%*ahan7 shi22a *ahan daa& di=%n2si(an s;ara /&i+a*

• S,a2ai n2nda*i air (r+%(aan dn2an &inda(an %n&%(++r,ai(i darah ,;(7 2nan2an air0,an.ir

• Mn%r%n(an r+%(aan air &anah ada &in2(a& yan2 ida*

• Mn2nda*i(an r/si &anah7 (r%sa(an .a*an dan ,an2%nan

yan2 ada• Mn2nda*i(an air h%.an yan2 ,r*,ihan shin2a &ida( &r.adi

,n;ana ,an.ir