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PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
ALOKASI AIR IRIGASI SEKAMPUNG – Menggunakan Air Waduk Batutegi (Oleh: Johanes Wibowo)
Isi Bahasan:
(1) Tujuan (2) Metode asesment (3) Data aliran dan kebutuhan (4) Hasil simulasi model
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
(1)Tujuan:
untuk memperoleh kesimpulan tentang performa layanan aliran Sekampung (dengan suplai dari Waduk Batutegi) untuk memenuhi kebutuhan Sistem Irigasi Sekampung.
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
(2) Metode asesment: • Dengan menggunakan Real time operation model, dengan mempertimbangkan: • Aliran run-off di Argoguruh (tanpa Batutegi) • Kebutuhan air untuk Sistem Irigasi Skp • Kebutuhan aliran ke arah hilir dari Argoguruh • Kondisi volume dan muka air Batutegi • Dgn 4 butir data di atas, tetapkan debit suplai dr Btg, kemudian cek kondisi volume Btg
Department of Public Works
• Model mensimulasikan kondisi waduk sejak awal pengisiannya; European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Real-Time Operation of the System
Downstream requirements
Available flow at Argoguruh Compare required to available
Diversion requirements
Check Batutegi storage against operating rules Adjust release from Batutegi
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
PETA D.I. SEKAMPUNG SYSTEM
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
SKEMA D.I. SEKAMPUNG SISTEM System: PUNGGUR UTARA District/Sub-dst Pot (ha) Fnc(ha) CL/Trimurjo 2,416 2,219 CL/Punggur 6,569 5,741 CL/Gunung Sugih 3,223 2,229 CL/Seputih Raman 8,855 6,544 EL/Sukadana 338 278 EL/Raman Utara 2,918 2,736 EL/Batanghari Nuban 1,760 1,194 Mt/Punggur 173 142 Total 26,252 21,083
System: RUMBIA BARAT District/Sub-dst Pot (ha) Fnc(ha) CL/Rumbia Barat 5,790 Total 5,790 Punggur Utara System Including : RD Trimurjo, Kota Gajah, Seputih Raman, Rukti Endah, and Rantau Fajar
Rumbia Barat Sys Dev'ment is on going Rumbia Primary Cnl Punggur Utara
System: BEKRI District/Sub-dst Pot (ha) Fnc(ha) CL/Gunung Sugih 6,500 Total 6,500 -
Bekri System Dev is on going
Primary Cnl Q=64.3 m3/s
Raman Utara System
System: BATANGHARI UTARA District/Sub-dst Pot (ha) Fnc(ha) EL/Sukadana 35 35 EL/Purbolinggo 5,782 4,697 Total 5,817 4,732
Bekri Primary Cnl
Raman Weir
Q= 10.7 m3/s
System: SEKAMPUNG BUNUT District/Sub-dst Pot (ha) Fnc(ha) CL/Trimurjo 1,075 1,075 EL/Pekalongan 3,114 2,646 EL/Sukadana 37 37 Mtr/Metro 2,070 1,997 Total 6,296 5,755
Q = 9.3 m3/s
Sekampung Bunut Batanghari Utara System
Feeder II Canal
Trimurjo Trifurcation
Q= 72.5 m3/s
Feeder I Canal
Bunut Primary Cnl Q= 10.1 m3/s
Q= 41 m3/s
Argoguruh Weir System: SEKAMPUNG BATANGHARI District/Sub-dst Pot (ha) Fnc(ha) CL/Trimurjo -Argogrh 389 389 CL/Trimurjo 759 759 EL/Batanghari 4,885 4,819 EL/Sekampung 3,153 2,938 Mtr/Metro 145 145 Mtr/Bantul 1,491 1,491 Total 10,822 10,541
Q = 9.7 m3/s
System: RAMAN UTARA District/Sub-dst Pot (ha) Fnc(ha) EL/Pekalongan 216 201 EL/Raman Utara 3,374 2,750 EL/Bt.hari Nuban 1,506 1,286 Total 5,096 4,237
Garongan Weir Bt.hari Utara Primary Cnl
Supply to Batanghari Q=6 m3/s
Way Sekampung
Q= 11.8 m3/s
Sekampung Batanghari, incl.Argoguruh Batanghari Primary Cnl Q= 19.7 m3/s
Resume of Way Sekampung Irr System Pot (ha) Fnc(ha) Punggur Utara 26,252 21,083 Bekri 6,500 Skp Bunut 6,296 5,755 Skp Batanghari 10,822 10,541 Rumbia Barat 5,790 Raman Utara 5,096 4,237 Bt.hari Utara 5,817 4,732 Total 66,573 46,348 District Legend Mtr = Metro City CL = Central Lampung District EL = East Lampung District
Canal Capacity and Length Name of Canal
Department of Public Works
Feeder-I Canal Batanghari Primary Canal (BH) Bunut Primary Canal (KH) Feeder-II Canal Punggur Utara Primary Canal
Capacity (m 3/s) 41.0 19.7 10.1 72.5 64.3
Length (km) 9.25 32.16 29.59 8.16 37.11
Name of Canal Bekri Primary Canal West Rumbia Primary Canal Batanghari Utara Primary Canal Raman Utara Primary Canal Supply to Batanghari
Capacity (m 3/s) 10.7 9.7 11.8 9.3 6.0
Length (km) 12.60 21.82 32.20 27.85
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
European Union
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Batutegi Reservoir Operating Rules 280
Z o n e 4 - P le n tifu l A d d itio n a l p o w e r g e n e ra tio n OK
270
R eservoir W ater Level (m )
260
Z o n e 3 - A d e q u a te N o rm a l re le a s e s
250
240
230
Z o n e 2 - S h o r ta g e R e le a s e to m e e t 7 0 % o f irrig a tio n d e m a n d
Z o n e 1 - C r itic a l N o re le a s e fo r irrig a tio n
220
210
200 Jan
Feb
M ar
Apr
Upper
M ay
Jun
Jul
Lower
Aug
Sep
O ct
Nov
Dec
C ritic a l
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
(3) Data ketersediaan dan kebutuhan air: • Aliran run-off keluar dari Sub-DAS sebelah hulu Argoguruh (menggunakan data dasar dari hasil studi NK, 2003 dan data tambahan dari bendung Argoguruh) • Aliran masuk ke Waduk Batutegi (data NK, 2003 dan data tambahan dari Waduk Batutegi) • Kebutuhan air sistem irigasi Sekampung dgn menggunakan data dasar yang digunakan oleh BPSDA Seputih Sekampung
• Layanan suplai air Waduk Batutegi menggunakan dasar Operating Rules yang disusun oleh NK Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Aliran masuk ke Batutegi (=Data Kunyir)
A n n u a l M e a n
In flo w
(c u m e c s )
35
30
25
20
15
10
5
0 1969 1971 1973 1975 1977 1979 1981 1983 1985 1987 1989 1991 1993 1995 1997 1999 2001 2003
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
280
100%
270
90%
260
80%
250
70%
240
60%
230
50%
220
40%
210
30%
200
20%
190
10%
180
0%
L iv e S to r a g e
L e v e l (m )
Pengisian Awal Waduk
A u g -0 1 N o v -0 1 F e b -0 2 M a y -0 2 A u g -0 2 N o v -0 2 F e b -0 3 M a y -0 3 A u g -0 3 N o v -0 3 F e b -0 4 M a y -0 4
Level
S to r a g e
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
• Kebutuhan air s/d titik Bd. Argoguruh (pada diversi): Layanan th 2003 seluas 46.350 ha, setelah 5 tahun seluas 58.640 ha; setelah 10 tahun diasumsikan menjadi 66.500 ha. Total kebutuhan irigasi dipengaruhi oleh satuan kebutuhan air, luas layanan, pola tanam, tingkat pertumbuhan dan musim. Satuan kebutuhan air irigasi Sekampung 1,3 -1,4 l/dt/ha rata-rata. Kebutuhan air untuk lingkungan antara Btg-Argoguruh sebesar 2 m3/dt, dan ke arah hilir Argoguruh 3,8 m3/dt.
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
D iv e r s io n
R e q u ire m e n t (c u m e c s )
100
90
80
70
60
50
40
30
20
10
0 Jan
Feb
M ar
Apr
M ay
Jun
Jul
Aug
Sep
O ct
Nov
D ec
Kebutuhan Air Rata-rata Tahunan
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
700
600
S to ra g e (M C M )
500
400
300
200
100
0 1977
1979
1981
1983
1985
1987
T h is s tu d y
1989
1991
1993
1995
1997
N ip p o n K o e i
Hasil kalibrasi dgn perhitungan Nippon Koei Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
(4) Hasil Simulasi Model Irigasi Sekampung • Dengan adanya Waduk Batutegi, luas fungsional irigasi Sekampung dari 46.350 ha menjadi 58.640 ha (tambahan: sub-sistem Bekri & Rumbia) dapat memperoleh air secara lebih handal. • Dengan scenario ini akan diperoleh faktor k sedikit di atas 70%, dan waduk tidak gagal mencapai volume normalnya. • Apabila tingkat perkolasi di sawah bisa dikurangi (saat ini berkisar 5-16 mm/hari), hal itu dapat meningkatkan keandalan pemberian air, atau dapat digunakan memperluas daerah layanan menjadi 66.500 ha.
• Juga direkomendasikan upaya untuk meningkatkan efisiensi penyaluran air melalui peningkatan O&P. Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Terima Kasih
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Hasil Simulasi Model Batutegi-Sekampung Sistem Intensitas Tanam
Faktor K
Waduk
Faktor K
Waduk
180%
68%
Sering Kosong
56%
Sering Kosong
170%
71%
Agak sering Kosong
59%
Sering Kosong
160%
73%
Terisi
63%
Sering Kosong
150%
74%
Terisi
66%
Sering Kosong
140%
75%
Terisi
70%
Sering Kosong
130%
76%
Terisi
73%
Agak Sering Kosong
120%
79%
Terisi
76%
Terisi
110%
80%
Terisi
77%
Terisi
Department of Public Works
Luas 46.350
Luas 58.640
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
200%
190%
180%
In te n s ita s T a n a m
170%
160%
150%
140%
130%
120%
110%
100% 45%
50%
55%
60%
65%
70%
75%
80%
85%
F a k to r K F = 4 6 .3 5 0 H a
F = 5 8 .6 4 0 H a
F = 6 6 .5 0 0 H a
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
ALOKASI AIR IRIGASI SEKAMPUNG – Menggunakan Air Waduk Batutegi (Oleh: Johanes Wibowo)
Isi Bahasan:
(1) Tujuan (2) Metode asesment (3) Data aliran dan kebutuhan (4) Hasil simulasi model
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
(1)Tujuan:
untuk memperoleh kesimpulan tentang performa layanan aliran Sekampung (dengan suplai dari Waduk Batutegi) untuk memenuhi kebutuhan Sistem Irigasi Sekampung.
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
(2) Metode asesment: • Dengan menggunakan Real time operation model, dengan mempertimbangkan: • Aliran run-off di Argoguruh (tanpa Batutegi) • Kebutuhan air untuk Sistem Irigasi Skp • Kebutuhan aliran ke arah hilir dari Argoguruh • Kondisi volume dan muka air Batutegi • Dgn 4 butir data di atas, tetapkan debit suplai dr Btg, kemudian cek kondisi volume Btg
Department of Public Works
• Model mensimulasikan kondisi waduk sejak awal pengisiannya; European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Real-Time Operation of the System
Downstream requirements
Available flow at Argoguruh Compare required to available
Diversion requirements
Check Batutegi storage against operating rules Adjust release from Batutegi
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
PETA D.I. SEKAMPUNG SYSTEM
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
SKEMA D.I. SEKAMPUNG SISTEM System: PUNGGUR UTARA District/Sub-dst Pot (ha) Fnc(ha) CL/Trimurjo 2,416 2,219 CL/Punggur 6,569 5,741 CL/Gunung Sugih 3,223 2,229 CL/Seputih Raman 8,855 6,544 EL/Sukadana 338 278 EL/Raman Utara 2,918 2,736 EL/Batanghari Nuban 1,760 1,194 Mt/Punggur 173 142 Total 26,252 21,083
System: RUMBIA BARAT District/Sub-dst Pot (ha) Fnc(ha) CL/Rumbia Barat 5,790 Total 5,790 Punggur Utara System Including : RD Trimurjo, Kota Gajah, Seputih Raman, Rukti Endah, and Rantau Fajar
Rumbia Barat Sys Dev'ment is on going Rumbia Primary Cnl Punggur Utara
System: BEKRI District/Sub-dst Pot (ha) Fnc(ha) CL/Gunung Sugih 6,500 Total 6,500 -
Bekri System Dev is on going
Primary Cnl Q=64.3 m3/s
Raman Utara System
System: BATANGHARI UTARA District/Sub-dst Pot (ha) Fnc(ha) EL/Sukadana 35 35 EL/Purbolinggo 5,782 4,697 Total 5,817 4,732
Bekri Primary Cnl
Raman Weir
Q= 10.7 m3/s
System: SEKAMPUNG BUNUT District/Sub-dst Pot (ha) Fnc(ha) CL/Trimurjo 1,075 1,075 EL/Pekalongan 3,114 2,646 EL/Sukadana 37 37 Mtr/Metro 2,070 1,997 Total 6,296 5,755
Q = 9.3 m3/s
Sekampung Bunut Batanghari Utara System
Feeder II Canal
Trimurjo Trifurcation
Q= 72.5 m3/s
Feeder I Canal
Bunut Primary Cnl Q= 10.1 m3/s
Q= 41 m3/s
Argoguruh Weir System: SEKAMPUNG BATANGHARI District/Sub-dst Pot (ha) Fnc(ha) CL/Trimurjo -Argogrh 389 389 CL/Trimurjo 759 759 EL/Batanghari 4,885 4,819 EL/Sekampung 3,153 2,938 Mtr/Metro 145 145 Mtr/Bantul 1,491 1,491 Total 10,822 10,541
Q = 9.7 m3/s
System: RAMAN UTARA District/Sub-dst Pot (ha) Fnc(ha) EL/Pekalongan 216 201 EL/Raman Utara 3,374 2,750 EL/Bt.hari Nuban 1,506 1,286 Total 5,096 4,237
Garongan Weir Bt.hari Utara Primary Cnl
Supply to Batanghari Q=6 m3/s
Way Sekampung
Q= 11.8 m3/s
Sekampung Batanghari, incl.Argoguruh Batanghari Primary Cnl Q= 19.7 m3/s
Resume of Way Sekampung Irr System Pot (ha) Fnc(ha) Punggur Utara 26,252 21,083 Bekri 6,500 Skp Bunut 6,296 5,755 Skp Batanghari 10,822 10,541 Rumbia Barat 5,790 Raman Utara 5,096 4,237 Bt.hari Utara 5,817 4,732 Total 66,573 46,348 District Legend Mtr = Metro City CL = Central Lampung District EL = East Lampung District
Canal Capacity and Length Name of Canal
Department of Public Works
Feeder-I Canal Batanghari Primary Canal (BH) Bunut Primary Canal (KH) Feeder-II Canal Punggur Utara Primary Canal
Capacity (m 3/s) 41.0 19.7 10.1 72.5 64.3
Length (km) 9.25 32.16 29.59 8.16 37.11
Name of Canal Bekri Primary Canal West Rumbia Primary Canal Batanghari Utara Primary Canal Raman Utara Primary Canal Supply to Batanghari
Capacity (m 3/s) 10.7 9.7 11.8 9.3 6.0
Length (km) 12.60 21.82 32.20 27.85
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
European Union
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Batutegi Reservoir Operating Rules 280
Z o n e 4 - P le n tifu l A d d itio n a l p o w e r g e n e ra tio n OK
270
R eservoir W ater Level (m )
260
Z o n e 3 - A d e q u a te N o rm a l re le a s e s
250
240
230
Z o n e 2 - S h o r ta g e R e le a s e to m e e t 7 0 % o f irrig a tio n d e m a n d
Z o n e 1 - C r itic a l N o re le a s e fo r irrig a tio n
220
210
200 Jan
Feb
M ar
Apr
Upper
M ay
Jun
Jul
Lower
Aug
Sep
O ct
Nov
Dec
C ritic a l
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
(3) Data ketersediaan dan kebutuhan air: • Aliran run-off keluar dari Sub-DAS sebelah hulu Argoguruh (menggunakan data dasar dari hasil studi NK, 2003 dan data tambahan dari bendung Argoguruh) • Aliran masuk ke Waduk Batutegi (data NK, 2003 dan data tambahan dari Waduk Batutegi) • Kebutuhan air sistem irigasi Sekampung dgn menggunakan data dasar yang digunakan oleh BPSDA Seputih Sekampung
• Layanan suplai air Waduk Batutegi menggunakan dasar Operating Rules yang disusun oleh NK Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Aliran masuk ke Batutegi (=Data Kunyir)
A n n u a l M e a n
In flo w
(c u m e c s )
35
30
25
20
15
10
5
0 1969 1971 1973 1975 1977 1979 1981 1983 1985 1987 1989 1991 1993 1995 1997 1999 2001 2003
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
280
100%
270
90%
260
80%
250
70%
240
60%
230
50%
220
40%
210
30%
200
20%
190
10%
180
0%
L iv e S to r a g e
L e v e l (m )
Pengisian Awal Waduk
A u g -0 1 N o v -0 1 F e b -0 2 M a y -0 2 A u g -0 2 N o v -0 2 F e b -0 3 M a y -0 3 A u g -0 3 N o v -0 3 F e b -0 4 M a y -0 4
Level
S to r a g e
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
• Kebutuhan air s/d titik Bd. Argoguruh (pada diversi): Layanan th 2003 seluas 46.350 ha, setelah 5 tahun seluas 58.640 ha; setelah 10 tahun diasumsikan menjadi 66.500 ha. Total kebutuhan irigasi dipengaruhi oleh satuan kebutuhan air, luas layanan, pola tanam, tingkat pertumbuhan dan musim. Satuan kebutuhan air irigasi Sekampung 1,3 -1,4 l/dt/ha rata-rata. Kebutuhan air untuk lingkungan antara Btg-Argoguruh sebesar 2 m3/dt, dan ke arah hilir Argoguruh 3,8 m3/dt.
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
D iv e r s io n
R e q u ire m e n t (c u m e c s )
100
90
80
70
60
50
40
30
20
10
0 Jan
Feb
M ar
Apr
M ay
Jun
Jul
Aug
Sep
O ct
Nov
D ec
Kebutuhan Air Rata-rata Tahunan
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
700
600
S to ra g e (M C M )
500
400
300
200
100
0 1977
1979
1981
1983
1985
1987
T h is s tu d y
1989
1991
1993
1995
1997
N ip p o n K o e i
Hasil kalibrasi dgn perhitungan Nippon Koei Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
(4) Hasil Simulasi Model Irigasi Sekampung • Dengan adanya Waduk Batutegi, luas fungsional irigasi Sekampung dari 46.350 ha menjadi 58.640 ha (tambahan: sub-sistem Bekri & Rumbia) dapat memperoleh air secara lebih handal. • Dengan scenario ini akan diperoleh faktor k sedikit di atas 70%, dan waduk tidak gagal mencapai volume normalnya. • Apabila tingkat perkolasi di sawah bisa dikurangi (saat ini berkisar 5-16 mm/hari), hal itu dapat meningkatkan keandalan pemberian air, atau dapat digunakan memperluas daerah layanan menjadi 66.500 ha.
• Juga direkomendasikan upaya untuk meningkatkan efisiensi penyaluran air melalui peningkatan O&P. Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Terima Kasih
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
Hasil Simulasi Model Batutegi-Sekampung Sistem Intensitas Tanam
Faktor K
Waduk
Faktor K
Waduk
180%
68%
Sering Kosong
56%
Sering Kosong
170%
71%
Agak sering Kosong
59%
Sering Kosong
160%
73%
Terisi
63%
Sering Kosong
150%
74%
Terisi
66%
Sering Kosong
140%
75%
Terisi
70%
Sering Kosong
130%
76%
Terisi
73%
Agak Sering Kosong
120%
79%
Terisi
76%
Terisi
110%
80%
Terisi
77%
Terisi
Department of Public Works
Luas 46.350
Luas 58.640
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
PRESENTATION on INTEGRATED RIVER BASIN MANAGEMENT PLANNING for SWS WAY SEPUTIH – WAY SEKAMPUNG
200%
190%
180%
In te n s ita s T a n a m
170%
160%
150%
140%
130%
120%
110%
100% 45%
50%
55%
60%
65%
70%
75%
80%
85%
F a k to r K F = 4 6 .3 5 0 H a
F = 5 8 .6 4 0 H a
F = 6 6 .5 0 0 H a
Department of Public Works
European Union
GOOD GOVERNANCE in WATER RESOURCE MANAGEMENT PROJECT
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