drainase baru

7/31/2019 drainase baru

1/53

suatu daerah pemukiman seperti pada gambar akan direncanakan sistem drainasenya,

di mana sumber air yang akan dibuang berasal dari air hujan dan air limbah rumah tangga.

Adapun data yang diketahui untuk perencanaan sistem drainase tersebut adalah sbb :

1. Data curah hujan yang digunakan :

1. Stasiun A

2. Stasiun B

3. Stasiun C

1

2

3

4

5

6

78

9

10

11

12

13

14

15

16

17

18

19

20

NoStasiun A Stasiun B

Curah Hujan (mm)

410

Stasiun C Stasiun D Stasiun E Stasiun F

1991 93 95 86

Tahun

1992 92 96 87

100 175

510 210 270

1993 87 113 104 275 410 210

160

1995 104 103 110 210 375 145

1994 101

1996 81 127 121

260 215120 98

195 160 210

1997 94 104 98 160 240 290370

1999 73 87 92 270 475 450

1998 96

2000 113 84 93

250 275111 81

365 200 205

2001 141 91 87 290 235 260

240

2003 91 98 84 425 140 310

2002 121

2004 81 119 75

375 28092 88

175 220 360

2005 82 104 81 290 465 335

225

2007 82 131 91 435 475 175

2006 79

2008 93 87 98

150 270103 103

165 190 180

2009 95 86 87 280 235 250

330 315 2752010 87 79 81


2/53

Kp 1 = org / ha

Kp 2 = org / ha

Kp 3 = org / haKp 4 = org / ha

Kp 5 = org / ha

3. Koefisien Run Off (C)

C 1 =

C 2 =

C 3 =

C 4 =C 5 =

5. Presentase air limbah % dari pemakaian air bersih

6. Bentuk saluran

kemiringan talud ( m ) = 1 :3

koefisien Manning (n) = 0.021

10

0.32

0.35

0.4

0.75

20

30100

400

40

trapesium

0.9

. Tingkat pemakaian air bersih adala 150 liter/org/hari


3/53

ANALISA CURAH HUJAN

Metode Gumbel

A. Stasiun A

No

1

2

3

4

5

67

8 94.30.

9

10

11

12

13

14

15 Untuk

16 n = 20 Yn =17 Sn =

18

19 T = 2 th Yt =

20 T = 5 th Yt =

T = 10 th Yt =

T = 15 th Yt =

K2 = = - =

K5 = = - =

K10 = = - =

K15 = = - =

6,724

6,241

1886182,706

19

1886

20

15.9871668,281

= 94.300

((S X

2- X . S X)

0,5

(n-1))

Jumlah 1886 182,706

X =

Sx =

Sx =

Sx =

9,025

932008

952009

872010

822005

792006822007

2002 14,641

912003

81

121

2004 6,561

96 9,216

1999 73 5,329

2001 19,881141

2000 113 12,769

1996 81 6,5611997 94 8,836

1998

1994 101 10,201

1995 104 10,816

1992 92 8,464

1993 87 7,569

Tahun X X

1991 93 8,649

1.95879

0.367

0.52361.06286,724

8,649

7,569

1.0628

2.6054

0.5236

1.0628

0.52361.5

1.0628

2.2502 0.5236

0.5236

1.0628

0.3665

1.500

2.2502

2.6054

2.961

-0.1478

0.91871

1.62458

Yt - YnSn

Yt - YnSn

Yt - YnSn

Yt - YnSn

X-


4/53

B. Stasiun B

No1

2

3

4

5

6

7

8 101.50.

9

1011

12

13

14

15 Untuk

16 n = 20 Yn =

17 Sn =

18

19 T = 2 th Yt =

20T = 5 th Yt =T = 10 th Yt =

T = 15 th Yt =

K2 = = - =

K5 = = - =

K10 = = - =

K15 = = - =

X2 = X + K2 . Sx= + x

=

2.2502

2.6054

2.961

2009 86 7,396 0.3665

2010 79 6,241 1.500

0.5236

2007 131 17,161 1.0628

2008 87 7,569

9,604

2005 104 10,816

2006 103 10,609

210,212 2030

19

14.809

2004 119 14,161

2002 92 8,464Sx =

2000 84 7,0562001 91 8,281

2003 98

1998 111 12,321Sx =

1999 87 7,569

1996 127 16,129

1997 104 10,816

103 10,609(

(S X2

- X . S X)0,5

)(n-1)

2030

20

1993 113 12,769

1994 120 14,400Sx =

1995

X X1991 95 9,025

1992 96 9,216101.50X = =

0.91871

Jumlah 2030 210,212

0.367Yt - Yn

1.95879

1.0628

2.2502 0.5236 1.62458

0.5236 -0.1478

1.0628

1.5 0.5236

1.0628

101.50 -0.1478 14.81

1.0628

2.6054 0.5236

99 31093

Sn

Yt - YnSn

Yt - Yn

Tahun

Sn

Yt - Yn

Sn

- X


5/53

C. Stasiun C

No1

2

3

4

5

6

7

8 92.25.

9

1011

12

13

14

15 Untuk

16 n = 20 Yn =

17 Sn =

18

19 T = 2 th Yt =

20T = 5 th

Yt =T = 10 th Yt =

T = 15 th Yt =

K2 = = - =

K5 = = - =

K10 = = - =

K15 = = - =

X2 = X + K2 . Sx= + x

=

Tahun X X

92.251992 87 7,569 20

1991 86 7,396X =

9,604

1995 110 12,100

1845=

(n-1)Sx = (

(S X2

- X . S X)0,5

)

1993 104 10,816

1994 98

1996 121 14,641

1997 98 9,604

172,583 1845

1999 92 8,464 19

1998 81 6,561Sx =

2000 93 8,6492001 87 7,569

11.1962003 84 7,056

2002 88 7,744Sx =

2004 75 5,625

2005 81 6,561

8,281 1.0628

2006 103 10,609 0.5236

0.367

2010 81 6,561 1.500

9,604

2009 87 7,569

172,583

0.367

2.961

2.605

2.250

0.5236 -0.1478

1.95879

1.0628

2.2502 0.5236 1.62458

1.0628

1.5 0.5236 0.91871

1.0628

92.25 -0.1478 11.20

1.0628

2.6054 0.5236

90 595008

Yt - Yn

Jumlah 1845

2008 98

2007 91

Sn

Yt - Yn

Sn

Sn

Yt - YnSn

Yt - Yn

- X


6/53

No

1

2

3

4 R =

5

6 U2 =

7 U5 =

8 U10 =

9 U15 =

10

11

12 1

13 2

14 = 1 - -

15 2

16 =17

18 R2 = R + Sn x UT

19 = + x

20 =

R5 = R + Sn x UT

= + x

=

R10 = R + Sn x UT

= + x

=

R15 = R + Sn x UT

= + x

=

Tahun X

1995 141

2004 104

2008 101

2007 121

1991 113

2001 94

1997 93

2005 96

1992 95

2002 91

2000 87

2006 93

1994 92

821993 81

2009 87

1996 82

94.30

Jumlah 1886

1998 73

2010 81

2003 79

1999

1.63

Sn = (

-0.22

0.64

1.26

121.00

R1 - R+

R2 - R)

U1 U2

21.924971 -0.22

89.48

94.30

1.94 1.35

21.92497

(141.00 94.30

Ut

1.35

1.94

1.26

121.9255

94.3 21.924971 0.64

108.332

94.30

m

1

2

141

Maks T

21

10.5121

+

94.3 21.924971 1.63

130.0377

94.3 21.924971


7/53

No

12

3

4 R =

5

6 U2 =

7 U5 =

8 U10 =

9 U15 =

1011

12 1

13 2

14 = 1 - -

15 2

16 =

17

18 R2 = R + Sn x UT

19 = + x

20 =

R5 = R + Sn x UT

= + x

=

R10 = R + Sn x UT

= + x=

R15 = R + Sn x UT

= + x

=

Maks m T Ut

2008 131 131 1 21 1.94

Tahun X

1.35

1997 120

1995 127 127 2

1996 119 101.501999 113

10.5

1994 111 -0.22

2000 104 0.64

2001 104 1.26

2007 103 1.63

96Sn =

2010 1031998 98

)2009 95 U1 U2

(R1 - R

+R2 - R2005

101.50

1.94 1.35

1991 92(

131.00

2002 91

17.04754

2006 87

101.50+

127.00

1992 86

1993 84

2004 87

101.50 17.047537 -0.22

2003 79 97.75

1.26122.9799

101.5 17.047537

0.64

112.4104

101.5 17.047537

Jumlah 2030

101.5 1.63

133.7198

17.047537


8/53

No

12

3

4 R =

5

6 U2 =

7 U5 =

8 U10 =

9 U15 =

1011

12 1

13 2

14 = 1 - -

15 2

16 =

17

18 R2 = R + Sn x UT

19 = + x

20 =

R5 = R + Sn x UT

= + x

=

R10 = R + Sn x UT

= + x=

R15 = R + Sn x UT

= + x

=

Tahun X Maks m T Ut

21 2.241993 1211997 110 110 2121 1

2004 104

2010 103

10.5 1.60

2006 98

1994 93

92.251991 98

2001 98

R1 - R

1992 88

1999 87

2003 92

2002 91

+R2 - R

)2000 87 U1 U2

Sn = (

92.25

2.24 1.60

2008 87(

121.00

1996 86

11.96429

2005 81

92.25+

110.00

2007 81

2009 81

1995 84

92.25 11.964286 -0.22

1998 75 89.62

Jumlah 1845

92.25 11.964286

107.32592.25

99.90714

92.25

1.63

114.8625

-0.22

0.64

1.26

1.63

1.2611.964286

0.6411.964286


9/53

)


10/53

Rumus yang digunakan adalah :

mm

n = 20 tahun Mp =

T = 2 th Mn =

T = 5 th Mn =

T = 10 th Mn =

T = 15 th Mn =

RT = MnRmax II

Mp

R15 = 0.766121

0.81100

= 89.81751

= 105.185

= 114.2861

R5 = 0.602121

0.81100

R10 = 0.705 1210.81100

0.766

R2 = 0.490121

0.81100= 73.10727

R max II = 121

0.8110

0.4900.6020.705


11/53


mm

n = 20 tahun Mp =

T = 2 th Mn =

T = 5 th Mn =

T = 10 th Mn =

T = 15 th Mn =

R15 = 0.766127

0.81100= 119.9531

R10 = 0.705127

0.81100= 110.4007

76.732430.81100

R5 = 0.602127

0.81100= 94.27127

0.8110

0.4900.6020.7050.766

R2 = 0.490

127

=

R max II = 127

RT = MnRmax II

Mp


12/53


mm

n = 20 tahun Mp =

T = 2 th Mn =

T = 5 th Mn =

T = 10 th Mn =

T = 15 th Mn =

0.8110

0.490

Rmax II

Mp

R max II = 110

RT = Mn

110

= 66.461160.81100

R5 = 0.602110

0.6020.7050.766

R2 = 0.490

= 81.652280.81100

R10 = 0.705110

= 95.622690.81100

= 103.89640.81100

R15 = 0.766110


13/53

No

1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

Log((5)) (6)2

6 74 53

Log(Xi) (3) + bTAHUN Xi

1993 87 1.9395 76.177583

81 1.9085 70.177583

1.9551

1.8462 3.408448566

1.8818 3.5413

3.82241994 101

2002 121 2.0828 110.17758

2.0043 90.177583

93 1.9685 82.177583

2.0421

1.9148

4.1701

96 1.9823 85.177583

1995 104 2.0170 93.177583

79 1.8976 68.177583

3.6663

1.9303 3.7262

1.8336 3.3622

1.9693 3.8782

94 1.9731 83.177583

2003 91 1.9590 80.177583 1.9041 3.6254

1.9200 3.6864

1.8523 3.431282

2010 87 1.9395

1.9138 71.177583

1.9685 82.177583

73 1.8633

1.8818 3.541376.177583

1.793662.177583 3.2171

1.9148 3.6663

1999

3.43122005 82 1.9138 71.177583

1991 93

JUMLAH 1886 38.2969

1992

2001

20042009

2000

92

141

1.914847

1.8523

81.177583

2.0531

39.3839 1669.5517

130.17758

70.177583

RATA-RATA 2.3167 98.208922 3.672178084

2006

1998

1.9638

2.1492

1.90851.9777

2007

1997

2008

1996

2

84.177583

102.17758 4.0375

73.4436

2.0094

8195

113

3.6459

4.4713

3.40843.7064

1.9094

2.1145

1.84621.9252


14/53

X2 =

No

1

1

2

=

=

1

C

T

1

25

10

15

No

1

1

2

3

45

6

7

Xa Xt

8677.490857

7 8

Xa . Xt Xa + Xt (4) - X2 2Log(X) - (5)

141 81 11421 222

(6)/(7)

2 3 4 5 6

121 87 10527 208 1849.5 -204.062

Sb -21.645

b -10.822

2743.5 -218.062 -12.581

-9.0635

)0,5 =)

0,5 x ( 3.672178084 -

6

x 1/c x x Xo+(3) X+b

3.6666= (40

19

106.1140 0 1.9148 82.1952

X

2 3 4 5

107.02358

0.9062 0.097871 2.0127 102.97164

93.0180.5945 0.064207 1.9791 95.291362

n - 1

Log(Xi) (3) + b Log((5)) (6)2

113.794

117.8461.0614 0.114633 2.0295

TAHUN Xi

( Xa - Xo2)0,5

= (2n

)0,5

2006 103 2.0128 92.177583

2 3 4 5 6 7

1.9646 3.8598

1.9252 3.7064

1.9646 3.8598

1991 95

1995 103 2.0128 92.177583

1.9777 84.177583

1999 87 1.9395 76.1775832007 131 2.1173 120.17758 2.0798 4.3257

1.8818 3.5413

1.9303 3.7262

1 8818 3 5413

1992 96

2008 87 1 9395 76 177583

1.9823 85.177583


15/53

16

17

1819

20

=

X =

X2 =

No

1

1

2

=

=

1

C

1998 111 2.0453 100.17758

1996 127 2.1038 116.17758 2.0651 4.2647

2.0008 4.0031

1.8644 3.47591.8761 3.5197

2000 842009 86 1.9345 75.177583

1.9243 73.177583

1.9094 3.64592002 92 1.9638 81.177583

JUMLAH 2030 40.0434 1424.8 31.1 60.6

2.0021720

RATA-RATA 2.3555 83.814196 1.555406

Xa Xt Xa . Xt

3.027824662

SLog (Xi) 40.0434

Log (X) =40.0434

=

Xa + Xt (4) - X2 2Log(X) - (5) (6)/(7)

100.5014

10100.52445

8

131 103 13493 234 3392.5 -229.996 -14.75

2 3

127 95 12065 222

6 74 5

1964.5 -217.996

b

-9.0115

Sb -23.762

-11.881

2.4193= (2n

)0,5

n - 1( Xa - Xo

2)0,5

= (19

)0,5 x ( 3.027824662 -

40)0,5 =


16/53

No

1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

1920

TAHUN Xi Log(Xi) (3) + b Log((5)) (6)2

2 3 4 5 6 7

1992 87 1.9395 76.177583

2006 103 2.0128 92.177583 1.9646 3.8598

1.8818 3.5413

1.8462 3.4084

1.8462 3.4084

2005 81

1998 81 1.9085 70.177583

1.9085 70.177583

1993 104 2.0170 93.177583

1997 98 1.9912 87.177583 1.9404 3.7652

1.9693 3.8782

1.8462 3.4084

1.9094 3.6459

2010 81

1999 92 1.9638 81.177583

1.9085 70.177583

1994 98 1.9912 87.177583

2007 91 1.9590 80.177583 1.9041 3.6254

1.9404 3.7652

1.8818 3.5413

1.8074 3.2666

2001 87

2004 75 1.8751 64.177583

1.9395 76.177583

1995 110 2.0414 99.177583

2009 87 1.9395 76.177583 1.8818 3.5413

1.9964 3.9857

1.8761 3.5197

1.9148 3.6663

1991 86

2000 93 1.9685 82.177583

1.9345 75.177583

1996 121 2.0828 110.17758

2003 84 1.9243 73.177583

77.177583

1.8644 3.4759

2.0421 4.1701

1.8875 3.5626

1628.5517

1.9404 3.76522002 882008 98 1.9912 87.177583

1.9445

38.14132 72.80094615

RATA-RATA 2.30832 95.797157 1.907066 3.640047308

JUMLAH 1845 39.2414


17/53

No

1

1

2

=

=

1

C

T

1

2

5

10

15

2Log(X) - (5) (6)/(7)Xa Xt Xa . Xt

2 3 4 5

Xa + Xt (4) - X2

6 7 8

121 103 12463 224 4065.7 -220.076 -18.474

1172.7 -197.000 -5.953

Sb -24.427

110 87 9570 197

b -12.214

3.6369(2n

)0,5 ( Xa - Xo

2)0,5

= (40

)0,5 =

n - 1 193.640047308 -)

0,5 x (=

x 1/c x x Xo+(3) X+b

92.949

2 3 4 5

X

107.895

0.5945 0.048389 1.9555 90.251628

6

0 0 1.9071 80.7358

110.7191.0614 0.086392 1.9935 98.504988

102.465

0.9062 0.07376 1.9808 95.681014


18/53


19/53

0.108


20/53

1.1319


21/53


22/53

0.0814


23/53

METODE PEARSON III

No

1

2

3

4

56

7

8

9

10

11

1213

14

15

16

17

18

19

20

Xr = 94.3

S = 15.99

CS = 1.519

X = Xr+ k . SX2 = 94,3 + k . 15,98717

= 90.35

1996

1997

93

92

87

101

Tahun

1991

1992

1993

1994

731999

2000 113

10481

94

961998

1995

91

2004 81

2001 141

2002 121

Stasiun A

2009 95

2010 87

2007 82

2008 93

2005

X

82

2006 79

2003


24/53

No

1

2

3

4

5

67

8

9

10

11

12

1314

15

16

17

18

19

20

Xr = 101.5

S = 14.81

CS = 2.246

X = Xr+ k . S

X2 = 101,50 + K . 14,80931= 100.7

X5 = 101,50 + K . 14,80931

Tahun X

1991 95

Stasiun B

1994 120

1995 103

1992 96

1993 113

1998 111

1999 87

1996 1271997 104

2002 92

2003 98

2000 84

2001 91

2006 103

2007 131

2004 119

2005 104

2010 79

2008 87

2009 86


25/53

No1

2

3

4

5

6

78

9

10

11

12

13

1415

16

17

18

19

20

Xr = 92.25

S = 11.2

CS = 0.302

X = Xr+ k . S

X2 = 92,5 + k . 11,19622

= 92.23X5 = 92,5 + k . 11,19622

= 92.5

Stasiun C

Tahun X

1993 104

1994 98

1991 86

1992 87

1997 981998 81

1995 110

1996 121

2001 87

2002 88

1999 92

2000 93

2005 81

2006 103

2003 84

2004 75

2009 87

2010 81

2007 91

2008 98


26/53

n xi-x

0.05848 -2.197

-12.167

-389.017

300.763

912.673-2352.64

-0.027

4.913

-9663.6

6539.203

101847.6

19034.16

-35.937

-2352.64

-1860.87

-3581.58

-1860.87

-2.197

0.343

-389.017

106136.9

6206.835


27/53

n xi-x

0.05848 0.343

4.913

6539.203

16974.59

658.503

34965.78912.673

4657.463

-389.017

-1092.73

-35.937

-12.167

50.653

15069.22

912.673

658.503

49430.86

-389.017

-571.787

-3581.58

124763.2

7296.091


28/53

n xi-x0.05848 -571.787

-389.017

912.673

50.653

3869.893

19034.16

50.653-2352.64

-12.167

-2.197

-389.017

-250.047

-1092.73

-7189.06

-2352.64

658.503

-35.937

50.653

-389.017

-2352.64

7248.31

423.8778


29/53

A B C

1234

A B C

123

4

A B C

1234

A B C

1

NO PERIODE ULANGSTASIUN STASIUN STASIUN

METODE GUMBEL

CURAH HUJAN (mm)

2 91.937 99.311 90.595

10 120.272 125.559 110.4395 108.987 115.105 102.536

RATA-RA

93.948108.87118.757123.4315 125.615 130.508 114.181

NO PERIODE ULANGCURAH HUJAN (mm)

RATA-RAMETODE HASPERSTASIUN STASIUN STASIUN

92.2815 108.332 112.410 99.907 106.8832 89.477 97.750 89.618

117.410

15 130.038 133.720 114.863 126.20

10 121.925 122.980 107.325

NO PERIODE ULANGCURAH HUJAN (mm)

RATA-RAMETODE WEDUWENSTASIUN STASIUN STASIUN

72.1005 89.818 94.271 81.652 88.5802 73.107 76.732 66.461

103.7315 114.286 119.953 103.896 112.71210 105.185 110.401 95.623

NO PERIODE ULANG

CURAH HUJAN (mm)

RATA-RAMETODE PEARSON IIISTASIUN STASIUN STASIUN

94.4452 90.351 100.747 92.235


30/53

TA

TA

TA

TA


31/53

1234

R 2424 5/60

245/60

245/60

245/60

245/60

= 165.2588

GUMBEL HASPER WEDUWEN PEARSON III

I2 =94.445

24

2 93.948

(

I = X ( )2/3

10 118.75715 123.435 126.207

NO PERIODE ULANG

92.281 72.100

CURAH HUJAN (mm)METODE

5 108.876 106.883 88.580117.410 103.736

M

94.

108.

118.

112.712

94.445100.182104.198105.949 126.

(

)2/3 = 190.511524

I5 =108.876

(

24I15 =

126.207(

)2/324

I10 =118.757

mm/jam

mm/jam

mm/jam

mm/jam)2/3 = 220.8361

= 207.8003

)2/3

I 10 I 15INTENSITAS CURAH HUJAN

MENITt

I 2 I 5

139.76292.262 100.634 106.947

5 165.259 190.511 207.800

253035

40

220.836101520

120.571 131.512

455055

104.58980.03266.192

50.651

41.891

36.155

76.307 83.231 88.45357.127 65.857 71.833 76.340

58.390 63.689 67.68545.751 52.742 57.528 61.137

48.293 52.675 55.98038.758 44.681 48.736 51.79341.679 45.462 48.314

33.950 39.138 42.690 45.368


32/53

0

50

100

150

200

250

0 10 20 30 40 50 60 70 80 90 100

I 2 I 5 I 10 I 15


33/53

X

45

876

757

207


34/53


35/53

tMENIT I 2 I 5 I 10 I 15

5 165.259 190.511 207.800 220.83610 104.589 120.571 131.512 139.76215 80.032 92.262 100.634 106.94720 66.192 76.307 83.231 88.45325 57.127 65.857 71.833 76.340

30 50.651 58.390 63.689 67.68535 45.751 52.742 57.528 61.13740 41.891 48.293 52.675 55.98045 38.758 44.681 48.736 51.793

50 36.155 41.679 45.462 48.31455 33.950 39.138 42.690 45.36860 32.056 36.954 40.308 42.83665 30.406 35.052 38.233 40.63270 28.955 33.379 36.408 38.69275 27.666 31.893 34.788 36.97080 26.512 30.563 33.337 35.42885 25.472 29.365 32.029 34.03990 24.529 28.278 30.844 32.779

INTENSITAS CURAH HUJAN


36/53


37/53

m 300 m 200 m

m /dt

A1 A1 A2 A3

B0 B1 B2 B3

C0 C1 C2 C3

m /dt D0 D1 D2 D3

0.50

33

1100

32

31

30

29

0.8

28 27 26 25


38/53

A0 A1 A3 A4

C C C

B0 B1 B2 B3

C C C

C0 C1 C2 C3

C C C

D0 D1 D2 D3

1100 300 200

0660000 180000 120000

88000 24000 16000

99000 27000 18000


39/53


40/53

150 m m

m /dt

A4 A5m

B4 B5

m

C4 C5 m

D4 D5

0.60

400

24

90

80

600


41/53

A5 A6

C C

B4 B5

C C

C4 C5

C C

D4 D5

80

32000

600

90000 240000

12000

13500

90

36000

150 400


42/53


43/53

Data Lapangan

m3/dt

m3/dt

m3/dt

m m

m m

m m

m m

Lebar jalan dan trotoar :

mm

m

m

m

Jalan C =

Jalan D =

12

12

14

Y = 24

h = 90

12Jalan A =Jalan B =

e = 400

f = 600

g = 80

a =

b =

c =

d =

1100

300

200

150

0.50

0.60

0.80

Q1 =

Q2 =

Q3 =


44/53

1

2

3

4

5

67

8

9

10

11

12

13

14

15

1

2

3

4

5

6

7

8

9

10

66

II 18

III 12

(Ha) Awal Akhir Elevasi (m)

No. PetakLuas Areal

I 32.9755 30.1661 1252.9964

Panjang Lahan (m)Ke

31.3259 29.1146 632.4555

31.8565 29.8001 670.8204

V 24 28.9213 27.0501

IV 9 30.0500 27.9207 618.4658

721.1103

1102.9053310.4835

VI 8.8VII 2.4 29.9745 27.2778

31.4411 28.5081

IX 1.2 28.0979 26.1681

VIII 1.6 29.6530 27.0000 215.4066

170.0000

407.9216

1103.6757

X 3.2

XI 9.9 29.9096 27.2573

27.7212 25.0817

XIII 1.8 27.0007 25.3618

XII 2.7 28.3809 26.2086 313.2092

219.3171

174.9286

410.0000

XIV 1.35

XV 3.6 26.0000 24.1026

26.8100 24.6944

1100 0.

No. Nama Saluran

Elevasi (m)

Panjang Saluran (m)

A1 - A2 31.8565 31.3259 300

KemirinAwal Akhir

A0 - A1 32.9755 31.8565

A3 - A4 30.0500 28.9213 150

0.

A2 - A3 31.3259 30.0500 200 0.

A0 - B0 32.9755 31.4411 600

0.

A4 - A5 28.9213 28.1758 400 0.

B1 - B2 30.1661 29.8001 300

0.

B0 - B1 31.4411 30.1661 1100 0.

B B 29 1146 27 9207 150

0.

B2 - B3 29.8001 29.1146 200 0.

0


45/53

1920

21

22

23

24

25

26

C0 - D0 29.9096 28.8146 90B5 - C5 27.0501 25.0817 80 0.

D1 -D2 27.2573 26.2086 300

0.

D0 -D1 28.8146 27.2573 1100 0.

D3 - D4 25.3618 24.6944 150

0.

D2 - D3 26.2086 25.3618 200 0.

C5 -D5 25.0817 24.1026 90

0.

D4

- D5

24.6944 24.1026 400 0.

0.


46/53


47/53

(%)

.002

iringan

.003

.003

.003

.003

.003

.009

.012

.011

.006

.002

.007

.007

.012

.005

01

an (%_)

02

06

08

02

03

01

01

03

08

133.0007

138.9755137.8565

137.3259

136.0500

134.9213

137.4411

135.9745

135.6530

31.4411

29.9745

29.6530

133.7212

135.9096

134.3809

134.0979

27.7212

29.9096

28.3809

132.8100

132.0000

32.975531.8565

31.3259

30.0500

28.9213

26.8100

26.0000

136.1661135.8001

135.1146

133.9207

133.0501

134.5081

133.2778

28.0979

130.6944

130.1026

133.0000132.1681

131.0817

133.2573

30.29.

24.

24.

26.

25.

27.

26.

29.

27.

25.

27.

28.

27.

27.

132.2086

131.361827.0007


48/53

2512

01

03

04

04

01

11


49/53


50/53

1661001

944

1026

1681

817

573

086

1146

207

618

501

081

778

000


51/53

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

1819

20

21

22

23

24

25

26 12.20875 12.21037

0.00064 2.46882 2.46946

C5 -D5 88.236 0.6564 148.000 0.401 0 0.00162

D4 - D5 80.205 0.6235 17.550 0.398 400

1.68018

D3 - D4 158.089 0.6216 15.750 0.521 0 0.00039 2.24361 2.24400

1.06402 1.06423

D2 - D3 125.436 0.6245 14.400 0.536 100 0.00039 1.67979

0.00000 1.05902 1.05902

D1 -D2 101.265 0.6203 12.600 0.484 30 0.00021

D0 -D1 40.790 0.6236 9.900 0.370 0

11.94946

C0 - D0 45.730 0.6629 0.000 0.000 0 0.00000 0.00000 0.00000

1.61102 1.61107B5 - C5 96.370 0.6563 118.600 0.389 0 0.00156 11.94790

0.00006 1.53317 1.53323

C4 - C5 80.205 0.6235 15.600 0.391 0 0.00006

C3 - C4 158.089 0.6216 14.000 0.401 30

0.68459

C2 - C3 125.436 0.6245 12.800 0.404 0 0.00003 1.12552 1.12556

0.21780 0.21780

C1 - C2 101.265 0.6203 11.200 0.350 20 0.00003 0.68455

0.00000 0.00000 0.00000

C0 - C1 40.790 0.6236 8.800 0.350 0 0.00000

B0 - C0 46.991 0.6632 0.000 0.000 0

11.85944

A5 - B5 53.107 0.6326 12.000 0.370 0 0.00000 1.01468 1.01468

11.28914 11.29070

B4 - B5 86.238 0.6178 117.000 0.390 0 0.00156 11.85787

0.00150 9.13675 9.13825B3 - B4 157.882 0.6217 105.000 0.394 10 0.00156B2 - B3 140.340 0.6156 96.000 0.396 0

1.90432

B1 - B2 106.499 0.6161 84.000 0.400 10 0.00150 6.12918 6.13068

0.50000 0.50000

B0 - B1 41.687 0.6220 66.000 0.400 30 0.00138 1.90294

0.00000 0.00000 0.00000

A0 - B0 39.949 0.6452 0.000 0.000 0 0.00000

A4 - A5 54.814 0.6436 0.000 0.000 0

0.00000

A3 - A4 66.061 0.6556 0.000 0.000 0 0.00000 0.00000 0.00000

0.00000 0.00000

A2 - A3 64.903 0.6521 0.000 0.000 0 0.00000 0.00000

0.00000 0.00000 0.00000

A1 - A2 59.975 0.6470 0.000 0.000 0 0.00000

A0 - A1 38.054 0.6283 0.000 0.000 0

No

Qmin

m3/dtCs CNama Saluran

I

mm/jam

Luas Daerah Yang

Dilayani (ha)

Kp

orang

Qmaks Q tot

m3/dt m

3/dt


52/53

1

2

3

4

5

6

7

8

910

11

12

13

14

15

16

17

18

1920

21

22

23

24

25

26

Catatan : untuk saluran yang debit rencananya = 0 m3

/dtk, digunakan dimensi saluran minimum

0.96

0.30

0.61

0.85

A4 - A5

A0 - B0

B0 - B1

B1 - B2

1.23

1.94

2.302.52

2.57

B2 - B3B3 - B4

D2 - D3

D3 - D4

C3 - C4

C4 - C5

B5 - C5C0 - D0

B4 - B5

A5 - B5

D0 -D1

D1 -D2

B0 - C0

C0 - C1

C1 - C2

C2 - C3

No Saluran

A0 - A1

A1 - A2

A2 - A3

A3 - A4

C5 -D5

h 1

m

0

0

0

0

0

0.3693

D4 - D5

1.7986

0.5261

0.0000

0.2437

0.7207

1.2932

1.57881.7549

1.80540.0000

0.5375

0.5388

0.4321

0.5541

0.6467

0.6629

0.6770

0.7824

0.8207

h2

m

0

0

0.0000

0.0202

0.0206

W

m

0 0 0 0.3

b1

m

b2

m

0 0 0.3

0 0 0 0.3

0 0 0.3

0 0 0 0.3

0.5540 0.0000 0.3923

0.0194 1.0811 0.0291 0.4802

0.7497

1.9398 0.0303 0.6233

0.0202 2.3682 0.0303 0.6947

0.0000 0.7891 0.0000 0.4315

2.6324 0.0310 0.7387

0.0206 2.6979 0.0310

0.0000 0.3656 0.0000 0.3609

0.0000 0.0000 0.0000 0.3000

0.0030 0.8311 0.0045 0.4385

0.0030 0.6482 0.0045 0.4080

0.0040 0.9944 0.0060 0.4657

0.0040 0.9701 0.0060 0.4617

0.0000 0.0000 0.0000 0.30000.0206 2.7081 0.0310 0.7514

0.0075 0.8082 0.0113 0.4347

0.0000 0.8062 0.0000 0.4344

0.0104 1.1736 0.0155 0.4956

0.0104 1.0155 0.0155 0.4692

0.3

0.77

1.8250 0.0210 2.7375 0.0315

0.0133 1.2311 0.0199 0.5052

1.14

2.58

0.7563

h total

m

Dimensi saluran gabungan

0.3

0.3

0.3

0.3

2.61

0.30

0.98

1.29

1.34

0.99

1.16

1.00

1.12


53/53

V 1 V 2 V 3 w htotal

m/dt m/dt m/dt m m m m

1 2 2.2 2 0.300 0.30 0.021 0 0

2 2 2.2 2 0.300 0.30 0.021 0 0

3 2 2.2 2 0.300 0.30 0.021 0 0

4 2 2.2 2 0.300 0.30 0.021 0 0

5 2 2.2 2 0.623 1.94 0.021 4.06984 0.6847

6 2 2.2 2 0.695 2.30 0.021 5.01656 0.828

7 2 2.2 2 0.739 2.52 0.021 5.59909 0.9166

8 2 2.2 2 0.750 2.57 0.021 5.73823 0.9394

9 2 2.2 2 0.408 0.85 0.021 1.25002 0.2489

10 2 2.2 2 0.439 1.00 0.021 1.63457 0.313

11 2 2.2 2 0.462 1.12 0.021 1.9389 0.3594

12 2 2.2 2 0.466 1.14 0.021 1.99091 0.3678

13 2 2.2 2 0.435 0.99 0.021 1.59923 0.302

14 2 2.2 2 0.469 1.16 0.021 2.03988 0.3744

15 2 2.2 2 0.496 1.29 0.021 2.37951 0.4287

16 2 2.2 2 0.505 1.34 0.021 2.5073 0.4477

17 2 2.2 2 0.300 0.30 0.021 0 0

18 2 2.2 2 0.300 0.30 0.021 0 0

19 2 2.2 2 0.751 2.58 0.021 5.76255 0.9426

20 2 2.2 2 0.756 2.61 0.021 5.83399 0.951

TABEL PERHITUNGAN DIMENSI GORONG-GORONG

no No titikQ rencana

Kecepatan Aliran

m3/dt

ho D hc

Dimensi Gorong - gorong

nP R

m m m2 m m m m

Kehilangan Energi

b h A he hf

0.000 0.000 0.000 0.000A1 - A2 0.000 0.000 0.000 0.000

A2 - A3 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000

0.000 0.000 0.000 0.000A3 - A4 0.000 0.000 0.000 0.000

A4 - A5 0.000 0.000 0.000 0.000 0.000 0.000 0.004 0.000

2.787 0.135 0.006 0.004B1 - B2 6.131 1.436 1.317 0.146

B2 - B3 9.138 1.806 1.605 4.154 0.135 0.005 0.004 0.145

5.132 0.135 0.005 0.004B3 - B4 11.291 2.037 1.781 0.144

B4 - B5 11.859 2.098 1.820 5.391 0.135 0.005 0.004 0.144

0.311 0.135 0.017 0.004C1 - C2 0.685 0.366 0.442 0.157

C2 - C3 1.126 0.512 0.561 0.512 0.135 0.014 0.004 0.153

0.697 0.135 0.012 0.004C3 - C4 1.533 0.622 0.658 0.152

C4 - C5 1.611 0.642 0.674 0.732 0.135 0.012 0.004 0.151

0.484 0.135 0.014 0.004D1 - D2 1.064 0.489 0.555 0.154

D2 - D3 1.680 0.658 0.691 0.764 0.135 0.012 0.004 0.151

1.020 0.135 0.010 0.004D3 - D4 2.244 0.791 0.794 0.150

D4 - D5 2.469 0.838 0.835 1.122 0.135 0.010 0.004 0.149

0.000 0.135 0.000 0.004B0 - C0 0.000 0.000 0.000 0.140

C0 - D0 0.000 0.000 0.000 0.000 0.135 0.000 0.004 0.140

5.432 0.135 0.005 0.004B5 - C5 11.949 2.105 1.829 0.144

C5 - D5 12.210 2.127 1.854 5.550 0.135 0.005 0.004 0.144

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