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The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-5 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.1 View of Wonogiri Reservoir (1/3)
Wonogiri dam abutment on the left side of dam Spillway forebay on thet left side of dam
Bank erosion around Wonogiri reservoir. Wonogiri Dam view from chersonese.
An old bridge buried in sediment deposits on confluence of Alang and Solo Rivers
Dry condition of sediment deposits in Wonogiri reservoir
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-6 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.1 View of Wonogiri Reservoir (2/3)
Panoramic view of Wonogiri reservoir (downstream)
Panoramic view of Wonogiri reservoir (upstream)
Panoramic view of sedimentation in front of Wonogiri dam
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-7 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.1 View of Wonogiri Reservoir (3/3)
Outlet of Wonogiri power station. Turbidity current from Keduang River
Dredging around intake structure Inlet of intake structure immediately after construction of the Wonogiri dam
Mt. Lawu located north-east boundary of Wonogiri watershed (view from Surakarta City)
Panoramic view of Wonogiri reservoir on January 14, 2007
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-8 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.2 Facilities of Wonogiri Reservoir
Wonogiri power station (PLTA) Spillway gate
Hollow Jet Valve PLTA outlet gate to release water for power generation on September 26, 2005
Intake gate of Wonogiri dam Turbine of Wonogiri power station
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-9 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.3 Water Releasing from Wonogiri Dam
Spillout at spillway gate on February, 2006 Spillout at spillway on February, 2006
Spillout at outlet of spillway on February, 2006 Spillout at outlet of spillway on February, 2006
Water release from Hollow Jet Valve on November, 2006
Wonogiri dam spillway gate
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-10 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.4 Colo Weir and Wonogiri Irrigation Area(1/2)
Colo weir located 14 km downstream of Wonogiri dam
River bed protection and downstream of Colo weir
Intake structures of Colo weir Sediment flushing gate of Colo weir
Overflowing on Colo weir on January 30, 2006 Intake gate of Colo west main canal on December 24, 2004
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-11 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.4 Colo Weir and Wonogiri Irrigation Area (2/2)
Upstream and left sde of Colo weir
Wonogiri west main canal on December 24, 2004
Garbage at intake gate of Colo weir on December 21, 2005
Wonogiri Irrigation area on December 21, 2005 Wonogiri main canal on December 21, 2005
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-12 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.5 Sedimentation Survey at Intake
Bathymetric survey at intake on November 11, 2004
Bathymetric survey at intake on November 11, 2004
Experimental setup for bathymetric survey at intake on November 11, 2004
Monitor of eco-sounder for bathymetric survey at intake on November 11, 2004
Sampling of sediment deposit in Wonogiri reservoir
Sediment deposit in Wonogiri reservoir mainly compose of clay and silt
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-13 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.6 Tributary of Wonogiri Reservoir (Keduang)
Bed rocks in upper reach of Keduang River Check dam in upper reach of Keduang River
Check dam in Keduang River Middle reach of Keduang River
Lower reach of Keduang River immediately downstream of Keduang Bridge on February 23, 2005
Lower reach of Keduang River inside of Wonogiri reservoir
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-14 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.6 Tributary of Wonogiri Reservoir (Tirtomoyo)
Middle reach of Tirtomoyo River immediately downstream of Tirtomoyo Bridge during dry season on September 4, 2004
Middle reach of Tirtomoyo River immediately downstream of Tirtomoyo Bridge during wet season on December 20, 2005
Middle reach of Tirtomoyo River immediately upstream of Tirtomoyo Bridge on February 23, 2005
River condition of lower reach of Tirtomoyo River
Sand mining activity in lower reach of Tirtomoyo River
River mouth of Tirtomoyo River in Wonogiri reservoir
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-15 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.6 Tributary of Wonogiri Reservoir (Temon)
Hard soils on river bed in Temon River River condition in middle reach of Temon River
River condition in middle reach of Temon River Bridge on middle reach of Temon River
Panoramic view of sedimentation in Ngachar irrigation dam located in upper reach of Temon River on October, 2004
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-16 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.6 Tributary of Wonogiri Reservoir (Solo)
Hard rocks in upper reach of Solo River Hard rocks in upper reach of Solo River
Middle reach of Solo River Sand mining activity on Solo River
Sedimentation at river mouth of Solo River in Wonogiri reservoir
Sedimentation at river mouth of Solo River in Wonogiri reservoir
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-17 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.6 Tributary of Wonogiri Reservoir (Alang)
Automatic water level gauging station in Alan River
Visible bank erosion in Alang River
Middle reach of Alang River Visible bank erosion in Alang River
Visible bank erosion in Alang River Visible bank erosion in Alang River
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-18 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.7 Upper Solo Mainstream
Jurug Bridge,51.8 km downstream of Wonogiri dam on August 25, 2005
Hard soils in Upper Solo mainstream (Sari Bridge)
Confluence of Solo and Sragen Rivers, 89 km downstream of Wonogiri dam on February 19, 2005
Tangen Bridge 99.4 km downstream of Wonogiri dam
Ngunengon Bridge 162.9 km downstream of Wonogiri dam on February 19, 2005
Confluence of Solo and Madiun Rivers, 200 km downstream of Wonogiri dam on February 19, 2005
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-19 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.8 Discharge & SS Concentration Survey
Measurement of flow velocity at Upper Solo River
Sampling of flood water for measurement of SS concentration at Tirtomoyo River
Sampling of flood water for measurement of SS concentration at Upper Solo River
Measurement of water temperature at Upper Solo River
Labeling of sampling date and time on the bottle of collected water at Alang River
Bottles of sampling water in one flood at Tirtomoyo River
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-20 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.9 Hydro-meteorological Station(1/2)
Daily and hourly rainfall gauge at Nawangan in Alan River basin on July 26, 2005
Daily and hourly rainfall gauges at Tawangumangu close to Keduwang River basin
Automatic water level gauging station at Jarum, Dengkeng River on July 26, 2005
Rainfall telemetry gauging station at Batuwarno, Temon River on June 4, 2005
Hourly reservoir water level gauge at turbine Inlet, Wonogiri dam on December 20, 2005
Meteorological station at Wonogiri dam on January 4, 2006
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-21 July 2007 Yachiyo Engineering Co.,Ltd.
2.9 Hydro-meteorological Station(2/2)
Automatic water level gauge at Jurug in Bengawan Solo River managed by PBS on February 4, 2007
Automatic water level gauge at Ngadipiro in Keduang River managed by BP2TPDAS
Automatic water level gauge at Sembukan in Keduang River managed by PBS.
Automatic water level gauge at Duwet in Temon River managed by BP2TPDAS
Automatic water level gauge at Ngrembang in Solo River managed by PBS
Automatic water level gauge at Banaran in Alang River managed by BP2TPDAS
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-22 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.10 Garbage Problem
Garbage removal by divers in front of the intake of Wonogiri reservoir on September 26, 2005
Garbage removal by divers in front of the intake of Wonogiri reservoir on September 26, 2005
Garbage removed from the intake: plastic dusts from houses as well as vegetative debris on September 26, 2005
Garbage removed from the intake: plastic net used for fishery in the reservoir on September 26, 2005
Garbage removed from the intake: plastic dusts from houses as well as vegetative debris on February 1, 2007
Garbage removal work by backhoe at the intake on January, 2004
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-23 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.11 Water and Bed Material Quality Analysis
Discharge measurement at Tirtomoyo River on May 2005
Discharge measurement at West Canal of Colo weir on December 2004
Water sampling at Keduang River on December 2004
Bed material sampling for environmental study in Wonogiri Reservoir on May 2005
Sampled bed material at Alang River on December, 2004
Field analysis of basic parameters near sampling location in Upper Solo on May 2005
The Study on Countermeasures for Sedimentation Final Report in the Wonogiri Multipurpose Dam Reservoir Volume VII: Photo Book
Nippon Koei Co.,Ltd. P-24 July 2007 Yachiyo Engineering Co.,Ltd.
2. PRESENT CONDITION OF THE RESERVOIR
2.12 Periodic Water Quality Monitoring
Measurement of water depth in Wonogiri reservoir on December 7, 2004
Sampling of surface water upstream of Colo Weir for TSS (Total Suspended Solids) analysis on December 7, 2004
Equipment for sampling of suspended sediment in Wonogiri Reservoir
Measurement of water temperature and DO (Dissolved Oxygen) in Wonogiri Reservoir on January 4, 2005
Sampled water taken from the reservoir from 0 (surface) to 10m in depth
Turbidity meter used for field measurement
2. PRESENT CONDITION OF THE RESERVOIR2.1 View of Wonogiri Reservoir2.2 Facilities of Wonogiri Reservoir2.3 Water Releasing from Wonogiri Dam2.4 Colo Weir and Wonogiri Irrigation Area2.5 Sedimentation Survey at Intake2.6 Tributary of Wonogiri Reservoir2.7 Upper Solo Mainstream2.8 Discharge & SS Concentration Survey2.9 Hydro-meteorological Station2.10 Garbage Problem2.11 Water and Bed Material Quality Analysis2.12 Periodic Water Quality Monitoring