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Diket :

Lahan Pemukiman C1 = 40 % = 350000 x 40%

Lahan fasilitas umum C2 = 30 % = 350000 x 30%

Lahan terbuka hijau C3 = 30 % = 350000 x 30%

koef Pen!aliran C1 = 0"

koef Pen!aliran C2 = 0#

koef Pen!aliran C3 = 03

= 0000"

n = 001# $ ahan sal &lesteran

' = 0001

= 120 mm

&anjan! sal ( = 500 m

lebar sal = )00 m

Luas = 500 x )00

= 350000*itan+a : &eren,anaan saluran

P-./-L-'. :

= C11 C22 C33

123

= 0"1400000#10500003105000

350000

= 05)

nalisa hi*rolo!i :

Diren,anakan ke, aliran 61 = 1 m7*t

8ika o6erlan*lan* 9o time to= 35 mnt

tf = '76 *iren,anakan sal *rainase se&anjan! 500m

tf = 50071

tf = 500 *et

tf = #33 menit

;aktu konsentrasi t, = to tf = 35 #33

t, = 4333 menit

t, = 0)2jam

't = mm7jam

Luas Lahan = 350000

Luas Lahan = 035 ? = 1

= 02)# ? C 't

= 02)#105)51)>035

= 2#)

I0

3 m

= bFhh P=

= 04)10>30>3 P= 04)20>311205

= 133 P= 310< = 7P

< = 133 7 310

< = 043 m

ontrol ke 2

A1 = ke, aliran +an! *iren,anakan &* analisis hi*rolo!i 1 m7*t

A2 = ke, aliran teoritis hasil &eren,anaan $ 17n

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= 140000

= 105000

= 105000

350000

m2

m2

m2

m2

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*ari BL -- Ei,rosoft -x,el

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