The Ivirizu hydroelectric power project is a 292MW run-of-the-river hydropower facility under construction in the Carrasco province of Bolivia. It involves two cascade hydropower plants, namely Sehuencas and Juntas, in the Alta Cuenca of the Ivirizu River.
Ende Valle Hermoso (EVH), a subsidiary of the Bolivian state power corporation Empresa Nacional de Electricidad (Ende), is developing the project with an estimated investment of £417m ($550m).
The construction of the diversion channel for the project was completed in October 2020 with the start of commercial operations of the facility expected by 2022.
The Ivirizu hydropower facility is estimated to produce approximately 1160.89 GWh of electricity annually, at full capacity.
Location and site details
The Ivirizu hydroelectric power project is located in the municipality of Totora, in the Cochabamba Department of the Carrasco province, Bolivia.
The project site lies within the limits of Carrasco National Park, on the Ivirizu River, a tributary of the Chapare River, which is a tributary of the Mamoré River in the Bolivian Amazon Basin.
Ivirizu hydroelectric plants make-up
The Ivirizu hydroelectric power project will comprise Sehuencas and Juntas power plants of 200MW and 92MW capacities respectively.
The Sehuencas power plant, located at 1303.6m above sea level, will be equipped with three Pelton turbines, while the Juntas plant at an elevation 972.72m above the sea level will feature two Francis turbines.
The plants will feature three 80MVA and two 54MVA vertical generators delivering a nominal voltage of 11.5kV.
Dam and reservoir details
The Sehuencas plant will utilise a 105m-high compacted concrete dam creating a 40 cubic hectometres (hm3) reservoir, a 5.4km-long adduction tunnel, two 2.35m-diametre penstocks, and a 1.8m-diametre penstock. The water for the Sehuencas plant will be sourced from the Ivirizu River in the Sehuencas reservoir.
The Juntas hydropower plant will use the regulated water flow from the Sehuencas plant, as well as the water from the Obra de Toma de Juntas located on the Ivirizu River. It will involve a 1,697m-long adduction tunnel, a loading chamber, and two 2.2m-diametre penstocks.
The electricity generated by the Ivirizu hydropower project will be evacuated into Bolivia’s National Interconnected System (SIN) through a 230kV power transmission line.
The evacuation line will be connected through the Juntas-Sehuencas and Sehuencas-Mizque transmission lines.
The Central Bank of Bolivia (BCB) agreed to provide £427.23m ($539.70m) of loan for the project under a contract signed with Ende Corporation in September 2016.
Spanish contractor TSK was engaged as the engineering, construction, and procurement (EPC) contractor for the project. The contract scope includes the civil construction works, as well as the supply, assembly, and commissioning of the hydro-electromechanical equipment.
Rainpower was subcontracted by TSK for the supply of three Pelton and two Francis turbines, while its subsidiary Hymatek Controls is responsible for the delivery of the oil pressure systems.
China’s state-owned hydropower project contractor Sinohydro Corporation signed a contract for the construction of the dam and adjoining road with Ende Valle Hermoso in September 2017. The Fourth Hydropower Bureau is responsible for the construction of the dam while the 11th Bureau of Hydropower was in charge of the diversion tunnel construction.
Indar was contracted to deliver a total of five vertical hydro generators, including three 80MVA generators and two 54MVA generators for the project in September 2019.
Ingetec Consulting Engineering has been engaged for the supervision services, while GH Cranes and Components provided cranes for the site construction works.
Ende Transmission is responsible for the construction of two substations for the Sehuencas and the Juntas plants along with the interconnection lines between them.
Orinoco Consultant was engaged to review, evaluate and validate the civil design and associated work measurements of the construction.
OCSA Geophysical Company was engaged to carry out the geophysical services using high-resolution seismic reflection technology in 2015.


|DI Frontier Market Energy & Carbon Fund K/S (Fund 1)
|Co-Developer and lead equity, now exited
|Expected CO2 emission reductions
|State of development
The Rwaza I project is a 2.6 MW run-of-river hydro power plant utilizing the hydro power potential of the river Mukungwa as it drops around 30m, near the town of Musanse in northern Rwanda. The project will be connected to the Rwandan national grid. The project is In operation.
In December 2016, DI Frontier Market Energy & Carbon Fund, became a significant shareholder in the project company, Rwaza HydroPower Ltd., with a view to finalize project development and provide equity for the construction of the project.
In 2023 Frontier successfully exited its investment in the project.


Most Polular Products
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We have variety of pressure sand filters finds extensive application for removing turbidity, suspended particles that are present in raw water with minimum pressure drop. We offer easy to operate pressure sand filters that give sparkling clear water. The filters which are commonly used are sand and gravels or anthracite.


Crompton Greaves Single Phase Submersible Pump 2.0 HP. Crompton Greaves 4W14C2J is an energy efficient submersible pump from crompton greaves which saves power & electricity bills. This sibmersible pump is with designed with modular construction make sit ease in assembling and dismantling.
Buy-Brand-Crompton Greaves, Type-Submersible Sewage Pump, Voltage Rating-220V, Power Rating-2 HP and 1.5 kW, Head Range-6-210 Meter Flow Range-350-50 LPM, Phase-Single, Pipe Size-50, Weight-10 Kg, Packaging-1. Submersible Sewage Cutter Pump. Application


Thousands of drivers will benefit from works funded by Somerset Rivers Authority to reduce flooding on a notorious blind corner near Huish Episcopi.
Two new river channels flow on the Somerset Levels, as major works funded by the SRA give extra protection against flooding.
On-site preparations start for the latest phase of works at Beer Wall on the A372 new Othery. Two new river channels are to be created, and two tilting weirs installed.
Somerset County Council and partners celebrate the formal completion of the second stage of major flood protection works at Beer Wall on the A372 near Othery.


Brazzaville - Congo
Ministry of Public Works – Congo (in collaboration with Salini Costruttori S.p.A.)
1976 - 1977
Description for Djoué Hydropower (Congo)
Djouè river hydroelettric plant (tributary of Congo).
Existing plant characteristics:
- Reservoir ( V = 8 Mm³ )
- Installed capacity ( IP = 14 MW )
- Max gross head ( H = 25 m )
- Max turbine discharge ( Q = 72 m³/s )
- Raising of the weir
- New surge tank
- Enlargement of existing power house
Upgraded plant characteristics:
- Reservoir ( V = 18 Mm³ )
- Installed capacity ( IP = 30 MW )
- Max gross head ( H = 27.5 m )
- Max turbine discharge ( Q = 150 m³/s )
Rumakali Hydropower (Tanzania)
Hydroelectric Power Plant, with IP = 525 MW, which the exploits of N° 5...
Namakhvani Hydropower (Georgia)
Namakhvani hydropower cascade, envisages the...
Chespi Hydropower (Ecuador)
Chespi is the first hydroelectric project of the Guayllabamba cascade with an...
San Lorenzo Hydropower (Italy)
San Lorenzo (Sestu) is a small hydroelectric plant to supply the water...
Giurgiu Ramiresti Irrigation (Romania)
Irrigation scheme with water from the Danube and irrigated area of 155'000...
Dabus Hydropower (Ethiopia)
Dabus HPP cascade is located on the Dabus river,...
Ruzizi's Transmission System (DRC-Rwanda-Burundi)
The Ruzizi Transmission System's project was...
Bagré Multi-Purpose Project (Burkina Faso)
The “Pôle de Croissance de Bagré”...
Rogun Hydropower (Tajikistan)
The Rogun Hydropower Plant, on the Vakhsh river...


« View county listFlood Warning
757 AM CDT Mon Aug 21 2017
The flood warning continues for
the Sabine River Near Mineola.
* until Tuesday evening...or until the warning is cancelled.
* At 7:15 AM Monday The stage was 14.9 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 14.0 feet.
* Forecast...The river will continue to fall to below flood stage by
* Impact...at 16.0 feet...Expect flooding of low river bottoms with
secondary roadways along with picnic and recreational areas
becoming inundated as well. Ranchers should move cattle and
equipment to higher ground.
LAT...LON 3278 9574 3263 9535 3257 9535 3259 9550 3273 9574


Automated pumping complex is a high-tech device with functions of self-diagnostic and designed to supply the fluid under pressure in hydraulic systems on test stands with a given flow and pressure.
The main advantages of developed hydropower plants:
Pump unit can be supplied with different types of pump regulators:
Depending on the pump installation is one of the motor-pump unit and several.
A standard set of functions control the efficiency of the installation:
1. Elapsed time counter.
2. Reverse counters to maintenance system.
3. Protection of pumping stations from:
4. Remote monitoring, alarm messages and the status of the pumping station are sent via an Industrial Ethernet with the help of a personal computer installed in the control room of the test box.


MSc Graduation Projects
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Model predictive control for the optimization of the Dutch river flows
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Servodriven injection molding machine promises lower energy consumption than standard hybrids
from Plastics Today
A three-phase induction motor and a variable capacity piston pump allow a new series of injection molding machines to reportedly consume less energy than hybrid systems, and up to 40 percent less power than conventional hydraulic systems. Mitsubishi's MMX Series feature what the company calls the Smart Hybrid Hydraulic System wherein a highly responsive servomotor stabilizes hydraulic oil flow and pressure to save energy. In addition, the simplified piping configuration enables reduced maintenance and enclosed pumping cuts down on noise emissions.
7701 Las Colinas Blvd., Ste. 800, Irving, TX 75063


The Town of Canmore is undertaking a project to upgrade the current Town water supply system and allow for larger flows into the Bow Valley Trail west development area.
The project was split into two phases. Phase one was completed in 2020 and involved the construction and upgrade of the watermain from Old Canmore Road to Mountain Street along Bow Valley Trail. Phase two involves connecting the phase one water main at Old Canmore Road to a watermain on the south side of the Canadian Pacific Rail tracks.
Work will start in February and continue to June 2022. The water main installation completion is expected to occur in May, with minor surface works improvements completed in June 2022.


Title: Highway Stormwater Pump Station Design
Description: Highway Stormwater Pump Station Design, Hydraulic Engineering Circular No. 24 (HEC-24), provides a comprehensive and practical guide for the design of stormwater pump station systems associated with transportation facilities. Guidance is provided for the planning and design of pump stations, which collect, convey, and discharge stormwater flowing within and along the right-of-way of transportation systems. Methods and procedures are given for determining cumulative inflow, system storage needs, pump configuration and selection, discharge system size, and sump dimensions. Pump house features are identified and construction and maintenance considerations are addressed. Additionally, considerations for retrofitting existing stormwater pump stations are presented.
FHWA Publication Number: NHI-01-007
Publication Year: 2001
PDF NOTE: The PDF file may have been produced from html files which were prepared for use with web browsers. The PDF files created from HTML are intended for electronic viewing only.
Problems Downloading ISDDC files? Please contact ISDDC directly at http://isddc.dot.gov/OLPWEB.asp?WCI=Support
Other documents in this series:


Water supply system "Barje" was constructed in two stages. Appurtenant works were executed in first stage, and dam with grouting and drainage galleries, grout curtain and control building were constructed in second stage. The purpose of this system was water supply to Leskovac town and surrounding communities.
Veternica, Leskovac, Yugoslavia
Type of dam
Embankment dam with clay fill
Water utilization system - Barje
Energoprojekt - Beograd - Yugoslavia
Uskočka 8, Belgrade, phone: 011/2181-888, fax:011/2620-548
All rights reserved © 2016 Hidrotehnika-Hidroenergetika a.d.


Coaracy Nunes is a 78MW hydro power project. It is located on Araguari river/basin in Amapa, Brazil. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the project is currently active. It has been developed in a single phase. Post completion of construction, the project got commissioned in 1975. Buy the profile here.
The project is currently owned by Centrais Eletricas do Norte do Brasil with a stake of 100%.
Coaracy Nunes is a reservoir based project. Coaracy Nunes underwent through rehabilitation & modernization during 2005.
The project got commissioned in 1975.
The turbines for the hydro power project have been supplied by GE Renewable Energy and Voith Hydro Holding.
For more details on Coaracy Nunes, buy the profile here.


Please use this identifier to cite or link to this item:
|Title:||Jones Bluff Lock and Dam, Alabama River navigation project : hydraulic model investigation|
|Authors:||United States. Army. Corps of Engineers. Mobile District.|
Franco, John J.
Glover, James E.
Melton, Bertrand K.
Jones Bluff Lock and Dam
|Publisher:||Hydraulics Laboratory (U.S.)|
Engineer Research and Development Center (U.S.)
|Series/Report no.:||Technical report (U.S. Army Engineer Waterways Experiment Station) ; H-69-17.|
Abstract: Jones Bluff Lock and Dam is proposed for construction on the Alabama River about 245 miles above its junction with the Tombigbee River to form the Mobile River in south central Alabama about 45 miles above Mobile Bay. The project, which will provide a navigable pool for 75 miles upstream to the mouth of the Coosa River, comprises a nonnavigable gated dam with eleven 50-ft-wide by 35-ft-high tainter gates, an 84- by 600-ft lock on the left bank with a maximum lift of 45 ft, and a four-unit powerhouse on the right bank with a maximum discharge capacity of 35,200 cfs. A 1:100-scale, fixed-bed model reproducing approximately 3.6 miles of the Alabama River was used to determine navigation conditions in the lock approaches, determine effects of powerhouse releases, and develop modifications required to provide satisfactory navigation conditions. In general, the results have indicated the following: Modification of the dredging for the upper approach channel and ports in the upper guard wall would be required to provide satisfactory navigation conditions in the upper approach to the lock. A large eddy extending into the lower lock approach would develop with power house flow and no flow through the spillway. Because of the eddy, tows would experience considerable difficulty in approaching the guide wall. The difficulties can be eliminated with a wall or dike extension to the lower guard wall. The danger of small boats being moved into the powerhouse tailrace can be minimized with a 200-ft wall between the powerhouse tailrace and stilling basin. The amount of rock excavation can be reduced appreciably without seriously affecting flow conditions downstream of the dam.
|Rights:||Approved for public release; distribution is unlimited.|
|Appears in Collections:||Technical Report|
Files in This Item:
|TR-H-69-17.pdf||3.7 MB||Adobe PDF|


The New HEC-1 Flood Hydrograph Package.
HYDROLOGIC ENGINEERING CENTER DAVIS CA
Pagination or Media Count:
This paper describes the new version of the HEC-1 Flood Hydrograph Package - a comprehensive simulation model computer program. The many hydrologic and hydraulic simulation capabilities of the model are described. Special emphasis is given to analysis of dam safety and dam failure flood damage studies, and urban hydrology. The general applicability and usage of the model are described. Author
- Hydrology, Limnology and Potamology
- Civil Engineering


Australian Government Bureau of Meteorology, Tasmania
Minor Flood Warning for the River Derwent
Issued at 3.29pm on Saturday 31 July 2021
Flood Warning Number 4: MINOR FLOODING MAY DEVELOP ALONG RIVER OUSE AND RIVER DERWENT BELOW MEADOWBANK DURING SUNDAY
Minor flooding may develop at River Derwent below Meadowbank Dam and along River Ouse during Sunday, based on observed and forecast rainfall. River levels are elevated in many tributaries (including the upper Derwent, Nive, Florentine, Tyenna, Styx and Plenty). Flooding is not expected to extend downstream to Macquarie Plains and New Norfolk.
In the 24 hours to 9am Saturday, widespread rainfall totals of 5 to 15 mm were recorded in the Derwent catchment, with isolated high totals up to 57 mm at Pine Tree Rivulet and 27 mm at Lake Gwendy. Since 9am, a further 5-15 mm has been recorded in northern parts of the catchment. Additional rainfall totals of 10-35 mm in elevated areas are expected for the remainder of the weekend.
Strong and dangerous flows will be a hazard over the next couple of days.
River Derwent above River Ouse:
River levels are high along the Nive River and upper Derwent River.
Minor flooding may occur along the River Ouse, based on observed and forecast rainfall. Lake Augusta is spilling. The River Ouse at Ashton is currently at 1.49 metres and steady. The River Ouse at Ashton may reach the minor flood level (2.40 m) during Sunday. Current levels are not available for River Ouse at Ouse. The River Ouse at Ouse may reach the minor flood level (4.00 m) during Sunday.
River levels are easing along the Tyenna River.
River levels are easing along the Styx River.
River Derwent below Meadowbank Dam:
Minor flooding may redevelop along the River Derwent below Meadowbank Dam, based on observed and forecast rainfall. The River Derwent below Meadowbank Dam is currently at 3.04 metres and steady. Renewed river rises are likely during Sunday. The River Derwent below Meadowbank Dam may reach the minor flood level (4.10 m) Sunday afternoon. The River Derwent at Macquarie Plains is currently at 2.00 metres and steady. The River Derwent at Macquarie Plains is likely to remain below the minor flood level (4.00 m) during Saturday and Sunday.
River Derwent around New Norfolk:
No flooding is expected.
Flood Safety Advice:
FloodSafe advice is available at www.ses.tas.gov.au
Road closure information is available at www.police.tas.gov.au
For emergency assistance call the SES on telephone number 132 500.
For life threatening situations, call 000 immediately.
The next warning will be issued by 3.30pm on Sunday 01 August 2021.
Latest River Heights:
|Location||Height of River (m)||Tendency||Date/Time of Observation|
|River Derwent below Lake St Clair||2.07||Steady||03:15 PM SAT 31/07/21|
|River Ouse at Ashton||1.49||Steady||03:00 PM SAT 31/07/21|
|River Ouse at 3B Weir||1.13||Steady||03:00 PM SAT 31/07/21|
|River Clyde at Bothwell||0.14||Steady||02:15 PM SAT 31/07/21|
|River Derwent below Meadowbank Dam||3.04||Steady||03:05 PM SAT 31/07/21|
|River Derwent at Macquarie Plains||2.00||Steady||02:42 PM SAT 31/07/21|
|Tyenna River at Newbury||0.84||Steady||02:00 PM SAT 31/07/21|
|River Derwent at New Norfolk||1.25||Rising||02:44 PM SAT 31/07/21|
This advice is also available by dialling 1300 659 210. Warning, rainfall and river information are available at www.bom.gov.au/tas/flood. The latest weather forecast is available at www.bom.gov.au/tas/forecasts.


AMMAN — The Jordan Valley Authority (JVA) on Saturday said it finished construction works of the Ibn Hammad Dam in the southern Jordan Valley.
The dam has a total capacity of four million cubic metres, which will be used to provide water for agricultural and industrial uses, and to boost ground water reserves.
The total cost of the project stood at JD53 million, JD7.5 million of which was covered by the Treasury and the rest by the Arab Potash Company.
The company will be compensated for its contribution through a lower price of water under an agreement between the JVA and the APC, the Jordan News Agency, Petra, reported.
The completion of this dam will increase the total capacity of the Kingdom's 14 dams to 285.26 million cubic metres, after excluding the Karameh Dam.
The JVA also said that it is expected to start operating Al Fidan Dam in Wadi Arabah over the next few weeks.
© Copyright The Jordan Times. All rights reserved. Provided by SyndiGate Media Inc. (Syndigate.info).


Bureau of Meteorology, Tasmania
Final Flood Warning for the River Derwent
Issued at 8:42 am on Sunday 24 July 2016Flood Warning Number: 6
Minor flooding has eased in the lower reaches of the River Derwent below Meadowbank Dam. River levels are expected to continue easing during Sunday.
Widespread snow fell to low levels about the Derwent catchment during Saturday. This snow is expected to maintain high river levels in most tributaries as it melts over the coming days.
Strong and dangerous flows may be a hazard throughout the Derwent catchment into Monday.
River Derwent above River Ouse:
River levels will ease in the upper Derwent during Sunday, with snow melt to maintain high river levels into Monday.
No further flooding is expected in the River Ouse.The River Ouse at Ashton is currently at 1.62 metres and steady.
No further flooding is expected in the River Clyde.The River Clyde at Bothwell is currently at 1.10 metres and steady.
River Derwent above Meadowbank Dam:
River levels will ease in the River Derwent during Sunday, with snow melt to maintain high river levels into Monday.
No further flooding is expected in the Tyenna River.
No further flooding is expected in the Styx River.
River Derwent below Meadowbank Dam:
No further flooding is expected in the River Derwent below Meadowbank Dam.The River Derwent below Meadowbank Dam peaked at 4.51 metres around 01:00 pm Saturday 23 July and is currently at 3.86 metres and steady. The River Derwent below Meadowbank Dam is expected to remain around the minor flood level (4.10 m) during Sunday.
The River Derwent at Macquarie Plains is currently at 2.82 metres and falling.
River Derwent around New Norfolk:
No further flooding is expected in the River Derwent around New Norfolk.The River Derwent at New Norfolk is currently at 0.65 metres and rising.
Flood Safety Advice:FloodSafe advice is available at www.ses.tas.gov.au
Road closure information is available at www.police.tas.gov.au
For emergency assistance call the SES on telephone number 132 500.
For life threatening situations, call 000 immediately.
Next Issue:This is a final warning, no further warnings will be issued for this event.
Latest River Heights:
|Location||Height of River (m)||Tendency||Date/Time of Observation|
|River Derwent below Lake St Clair||2.16||Steady||07:30 AM SUN 24/07/16|
|River Ouse at Ashton||1.62||Steady||07:30 AM SUN 24/07/16|
|River Ouse at 3B Weir||1.54||Steady||08:00 AM SUN 24/07/16|
|River Clyde at Bothwell||1.10||Steady||08:00 AM SUN 24/07/16|
|River Derwent below Meadowbank Dam||3.86||Steady||08:00 AM SUN 24/07/16|
|River Derwent at Macquarie Plains||2.80||Falling||08:36 AM SUN 24/07/16|
|Tyenna River at Newbury||0.86||Steady||08:00 AM SUN 24/07/16|
|River Derwent at New Norfolk||0.65||Rising||08:20 AM SUN 24/07/16|
This advice is also available by dialling 1300 659 216. Warning, rainfall and river information are available at www.bom.gov.au/tas/flood. The latest weather forecast is available at www.bom.gov.au/tas/forecasts.


Longtan is a 6,300MW hydro power project. It is located on Hongshui river/basin in Guangxi Zhuang Autonomous Region, China. The project is currently active. It has been developed in multiple phases. The project construction commenced in 2001 and subsequently entered into commercial operation in 2007.
|Project Type||Total Capacity (MW)||Active Capacity (MW)||Pipeline Capacity (MW)||Project Status||Project Location||Project Developer||Hydropower||6,300||6,300||–||Active||Guangxi Zhuang Autonomous Region, China||Longtan Hydropower Develop|
The project was developed by Longtan Hydropower Develop. China Datang, Guangxi Investment Group and Guizhou Development and Investment are currently owning the project having ownership stake of 65%, 30% and 5% respectively.
Longtan is a reservoir based project. The hydro reservoir capacity is 16,210 million cubic meter. The gross head of the project is 179m.
Longtan (Longtan II) consists of 2 units of francis turbines with 700MW nameplate capacity.
The Longtan (Longtan II) has 2 electric generators installed at the site.
The project construction commenced in 2001 and subsequently entered into commercial operation in 2007.
Power Purchase Agreement
The power generated from the project is sold to China Southern Power Grid under a power purchase agreement.
Longtan (Longtan I) is equipped with Voith Hydro Shanghai francis turbines. The phase consists of 7 turbines with 700MW nameplate capacity.
GE Power supplied 7 electric generators for the Longtan (Longtan I). The generator capacity is 778 MVA.
All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.


Waterway: Mahoning River
License issued: 9/26/2014
License expires: 8/31/2064
The 0.65 MW project will be located at the existing Lake Milton dam, one of 15 dams on the Mahoning River, in Mahoning County, Ohio.
The Mahoning River is approximately 113 miles long, with 97 miles running through eastern Ohio, and the remainder running through western Pennsylvania. It joins the Shenango River in Pennsylvania to form the Beaver River, which flows into the Ohio River.
Lake Milton dam is a 760-foot-long, 54-foot-high concrete gravity dam that consists of a 650-foot-long, 58-foot-wide spillway, four 5-foot-wide by 7-foot long sluice gates for controlling outflows.


Mt. Pleasant - Rifle Range Road WWTF Improvements
The improvements include the construction of a new Anoxic Selector Basin, Sludge Storage Tank, Secondary Clarifier, RAS/WAS Pump Station, Scum Pump Station, and Blower Building. The project also includes rehabilitation of two existing secondary clarifiers, existing RAS/WAS Pump Station, and existing Scum Pump Station. An odor control Biofilter was added to the existing headworks. This project includes the installation of yard piping up to 48" diameter and 42" diameter flanged ductile iron pipe.


Egyptian Contracting Co wins $87m Oman water deal
Pipeline will transport water from Wadi Diqa Dam to Deam Reservoir
The Egyptian Contracting Company has won an $87m water pipeline project in Oman.
The company will build a 50km line to transport water from Wadi Diqa Dam in Quriat State to Deam Reservoir in Al Amirat State.
The project also includes a pumping station, a reservoir with a 2,000m3 capacity and a control room. It will be completed in 22 months.
“The company has been chosen as it offered the best technical and financial offer,” said Egyptian Minister of Investment Osama Saleh.
The Egyptian Contracting Company is a subsidiary of the state-owned National Construction and Development Company.


290 Various Jobs (ufundi) at JVACEE (Stigler’s Gorge Project)
290 Various Jobs (ufundi) at JVACEE (Stigler’s Gorge Project) June, 2021. Julius Nyerere Hydropower Station (JNHS; RHHP; Rufiji Hydroelectric Power Project; Stiegler’s Gorge Dam) is a hydroelectric dam under construction across the Rufiji River in eastern Tanzania. Although controversial, the government approved the plans in 2018. The power station is expected to have an installed capacity of 2,115 megawatts (2,836,000 hp) and to produce 5,920GWh of power annually. The project, power station and dam are owned by and will be managed by the government owned Tanzania Electric Supply Company (TANESCO). Construction began in 2019 and is expected to be completed in 2022.


Ranking for 2015: 64
Industry Sector: Energy
Specific Sector: Hydroelectric
Range: $500,000,000 - $1 billion
Project Value: $748,000,000
Provincial: $748 million
Government Funds Involved:
Funding Source: Public
Location: Ruskin, British Columbia
Estimated End Date of Substantial Completion: 2017
The Ruskin Dam generation station has supplied power to the BC Hydro grid for almost 80 years and requires upgrades to ensure operational reliability and improve safety in the event of an earthquake.
There are four major components to this project:
• The right bank of the dam is being reinforced with a specially designed cutoff wall, which will control and manage water seepage.
• Seven concrete piers and spillway gates will be removed and replaced with five new ones, and the one-lane road on top of the dam will be replaced with a two-lane road.
• The powerhouse facility will be seismically upgraded and the powerhouse turbines, generators, and ancillary equipment will be upgraded or replaced (including upgrades to penstocks and intake tunnels that move water from the reservoir to the powerhouse).
• The switchyard, currently located on the roof of the powerhouse, will be rebuilt and relocated to the left bank behind the road.
The upgrades to the right bank are complete, and the replacement of the piers and spillway gates is underway. The facility is expected to be in service in 2017.


Addis Ababa - Ethiopia
Salini Costruttori S.p.a.
1964 - 1970
Description for Legadadi (Ethiopia)
Addis Ababa urban water supply scheme with a storage capacity of 40 Mm3.
- Main Dam with Concrete Buttress (H = 46 m, L_crest = 450 m, V_concrete = 0.11 Mm³)
- Secondary Dam with Rockfill with bituminous facing (H = 20 m, L_crest = 600 m, V_embankment = 0.21 Mm³)
- Water Treatment Plant ( V_design = 50'000 m³/day)
- Steel Pipeline ( Φ 900 mm, L = 24 km)
- Reinforced Concrete Storage Tank (V = 20'000 m³)
- Spillway (Q_max des = 1'250 m³/s)
- Intake and Outlet Works
- Ancillary Works
- Water supply scheme Feasibility study
- Supervision and interpretation of geological and geotechnical site investigations
- Preliminary Design
- Contract Design
- Detailed Final Design and Construction Drawings
- Supervision of Construction on behalf of Contractor
Bituminous face rockfill dam for irrigation, water supply and hydropower...
Santu Miali (Italy)
Refurbishment of the Santu Miali hydropower plant
Porto Romano (Italy)
Yacht Harbour is on the right side of the Tevere River floodplain, about 1 km...
Bumbuna (Sierra Leone)
This is one of our pet projects that we have faithfully followed for the past...
Montedoglio dam has suffered some damages at the spillway and dam body due to...
The scope of the assignment is the rehabilitation of the existing Hermitage...
Giurgiu Ramiresti (Romania)
Irrigation scheme with water from the Danube and irrigated area of 155'000...
Alto Temo (Italy)
Water storage plant for irrigation purposes with a capacity of 90 Mm³
Enguri Cascade (Georgia)
ENGURI HPP Cascade envisages the construction of three hydropower plants on...


5-79 Canal Lock near Zoar, Ohio
- Canal Lock near Zoar, Ohio
- Reproduction of a photograph depicting water coming through the gates of a lock on the Ohio and Erie Canal near Zoar, Ohio, ca. 1875-1900. Canal locks were used to move boats from one water level to the next (AL00846).


The Brotherhood Reservoir Project involved the construction of a new 1 MG, reinforced concrete, potable water reservoir including: site excavation, access road improvements, drain line piping, a chlorination building, potable water piping, and yard piping.
Orofino Wixon Reservoir
The Orofino Wixon Reservoir project included the construction of a 150,000 gallon concrete reservoir, cast-in-place with associated piping valves. Work included a new water main and site electrical work.
The Hauser Reservoir (2013) project involved constructing a new 300,000 gallon above ground cast-in-place concrete reservoir. Work included yard piping, installing a precast vault, building swales, and installing new security fencing.
The Farragut Reservoir Rehab Project aimed to extend the useful life of the 72 year old, 135' tall, cast-in-place concrete reservoir. The scope included removing and replacing the steel lid, removing the existing liner, applying a new CIM waterproof coating, installing new stairs and ladders, constructing a new pump house, and installing 1,200LF of water main.
Pasadena Park Reservoir
The Pasadena Water Reservoir project was a $1.7M concrete reservoir that provides 1.75 million gallons of added capacity to the Pasadena water district, from its perch on top of Beacon Hill. The procurement mechanism on this project was design/build and included the integration of the cast-in-place concrete footings, ring wall, slab and lid, pre-cast walls, columns, and hollow core plank. The challenges posed by this hybrid design added to the challenges of a steep and rocky site.


Chief Pressure Compensated Flow Control Valves (FC Series): Accessories Ports, RELIEF PLUG Relief
The FC model is a full range pressure compensating variable fl ow control. It is designed so that the orifi ce area varies as the lever is rotated. The outlet fl ow is smooth and constant regardless of the pressure on the the control flow or excess fl ow ports. An adjustable ball spring relief allows for pressure compensated fl ow up to the pressure setting on the relief. Relief valves are preset at 1500 PSI and field adjustable from 750 to 3000 PSI.


The successful consultant will provide professional Construction Management services necessary for the construction of the proposed work which includes repairs to existing storm drains. A 12-inch storm drain in the Hacienda Parking Lot will be abandoned, and a new 12-inch HDPE storm drain will be installed at a new alignment. A 60-inch Corrugated Metal Pipe (CMP) will be repaired using contact grouting and invert lining, and a new maintenance access manhole will be installed on this storm drain. The new 12-inch HDPE storm drain will connect to the new maintenance access manhole. The third storm drain to be repaired is a 24-inch CMP cross culvert on Moraga Road. This culvert will be lined with Cured-In-Place Pipe (CIPP), and approximately 10 feet of the pipe will be replaced with a 24-inch HDPE pipe.


Sumitomo QX21-012//24-003R324 Hydraulic Pump
The components of the QX21-012//24-003R324 Hydraulic Pump are made of metal so that they can be used in a variety of projects where greater strength is required.
For technicians who need to pump water at great depths, the Sumitomo QX21-012//24-003R324 Hydraulic Pump offers immense power and efficiency.
1) Increase the efficiency of your hydraulic system with a new pump designed to maximize horsepower and force.
2) The pump can handle up to 2450 PSI, making it great for high-pressure applications.
3) Sumitomo QX21-012//24-003R324 Hydraulic Pump is a high performance pump delivering stable near 100% power under all conditions.
4) Sumitomo products are known for their high performance and durability, as well as being a precision engineering product.
5) Reduces labor cost and helps to improve production efficiency by cutting down the time required for pumping.
6) The design of the pump is specifically engineered to provide efficient and fast fluid exchange.
7) This pump is best engineered for low-viscosity, high-temperature and high-pressure jobs.
Sumitomo QX21-012//24-003R324 Hydraulic Pump Datasheet


Scottish Water’s £3.4 million investment to help reduce the risk of sewer flooding in Tarbert has been completed.
Amey Black And Veatch
A £3.4 million investment project to help reduce the risk of sewer flooding begins today in Tarbert, Argyll and Bute.
Scottish Water’s £2.2 million investment project to help protect and enhance the environment of the Firth of Clyde and coastal waters in Largs has been completed.
Work is due to begin on a £4.8 million investment project to improve Scottish Water’s waste water infrastructure and tackle flooding in areas of Bearsden and Drumchapel.
The River Kelvin in Kelvingrove Park, where the water in the river will be improved following completion of the project Scottish Water is about to start a major project on its waste water infrastructure in the West End of Glasgow to improve the environment and water quality in the River Kelvin.


LAHORE: In a significant development towards completion of the 121 MW Allai Khwar Hydropower Project, water filling in the reservoir has begun today. With filling of the reservoir, the project has entered its completion stage. The project, comprising two generating units of 61.5 MW each, is likely to start generating electricity on a trial basis by the end of the month.
Other main components of the project including a dam, the 2.3-kilometer long steel-lined tunnel, structure of the power house and switchyard have already been completed. Environment-friendly Allai Khwar Hydropower Project, on its completion, will generate 560 million units of low-cost hydel electricity per annum, which will help save millions of dollars on the generation of costly thermal energy.
Allai Khwar – one of the three hydropower projects – is being constructed on a tributary of Indus River in district Battagram of Khyber Pakhtunkhwa.
The other two high-head hydropower projects include the 72 MW Khan Khwar and the 130 MW Duber Khwar projects. Following completion of the Khan Khwar Hydropower Project, which was formally inaugurated by the prime minister a couple of months ago, the Duber Khwar Hydropower Project is also nearing completion and is expected to be completed in early 2013.
Allai Khwar Hydropower Project is part of Wapda’s least-cost energy generation plan that is being executed to cope with the increasing needs of electricity and water in the country. Under the plan, Wapda is working on 20 large and medium-sized projects with cumulative electricity generation capacity of 20,000 MW and water storage capacity of 12 million acre feet.
Of these projects, six multipurpose schemes with a power generation capacity of over 400 MW and water storage capacity of 1.23 million acre feet will be completed in 2012 and early 2013.


16 inch Cutter Suction Dredger
1. The cutter suction dredger could be used in inland waterways, lakes, coastal areas for projects of desilting and sand dredging.
2. Customized according to dredging depth, working capacity and discharge distance.
3. The cutter suction dredger is of dismountable structure, and can be divided into mechanical type, semi-hydraulic type, all-hydraulic type according to the different operating methods.
4. Dredging pump is driven by main diesel engine placed in main central pontoon, and auxiliary engine provides power to winches, spud and lighting system.
16inch Cutter Suction Dredger
|16 inch Cutter Suction Dredger
||Rated Power with RPM
||Cutter Shaft Power
|Rated Power with RPM
We also can supply other configurations upon customer’s request.
For the solution or quotation, please inform us:
1. the required work capacity of water flow
2. the max. dredging depth
3. the discharge distance


Alle 3 resultaten weergegeven
Compact ornament pump is very compact but high in performance. Noiseless, remarkable performance and very low power consumption.
Hydor Seltz D pondpump
Compact, energy-efficient pond pumps with frequency control for capacity matching as required.
Varioflow pond pumps are equipped with highly efficient 6-pole PMDC motor technology and stepless, external power control for optimum energy management.


Barrett Chute is a 176MW hydro power project. It is planned on Madawaska river/basin in Ontario, Canada. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the project is currently at the partially active stage. It will be developed in multiple phases. Post completion of the construction, the project is expected to get commissioned in 1942. Buy the profile here.
The project is being developed by Hydro-Electric Power Commission of Ontario and is currently owned by Ontario Power Generation with a stake of 100%.
Barrett Chute is a run-of-river project. The hydro reservoir capacity is planned to be 43.5 million cubic meter.
Post completion of the construction, the project is expected to get commissioned in 1942.
Barrett Chute (Barrett Chute_Active) will be equipped with Andritz Hydro turbine. The phase consists 1 turbine.
Barrett Chute (Barrett Chute_Active) will be equipped with Andritz Hydro turbine. The phase consists of 1 turbine with 68MW nameplate capacity.
Barrett Chute (Barrett Chute_R&M) will be equipped with Andritz Hydro turbines. The phase consists of 2 turbines, each with 24MW nameplate capacity.
Andritz Hydro will be the generator supplier for the hydro power project. The project consists of 4 turbines.
For more details on Barrett Chute, buy the profile here.


Yedigoze is a 320MW hydro power project. It is located on Seyhan river/basin in Adana, Turkey. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the project is currently active. It has been developed in a single phase. The project construction commenced in 2009 and subsequently entered into commercial operation in 2012. Buy the profile here.
The project was developed by Yedigoze Elektrik Uretim ve Ticaret and is currently owned by Sanko Enerji Uretim Sanayi Ve Ticaret with a stake of 100%.
Yedigoze is a reservoir based project. The project generated 987 GWh of electricity. The project cost is $921.843m.
The project construction commenced in 2009 and subsequently entered into commercial operation in 2012.
GE Renewable Energy was selected as the turbine supplier for the hydro power project. The company provided 2 units of francis turbines, each with 160MW nameplate capacity.
GE Renewable Energy supplied 2 electric generators for the project.
For more details on Yedigoze, buy the profile here.


Starting Monday, Sept. 11, 2023, the Shasta Dam visitor center will be open Monday through Friday 8:30 a.m. to 4 p.m., and closed Saturday and Sunday.
Top of the Dam Tour with a Tour Guide (now available)
The guide takes visitors across the top of the dam, presenting the history of the construction of the dam, as well as the power plant operations, the temperature control device, and overview of the Central Valley Project. Must be scheduled in advance.
Call the visitor center for more information at 530-247-8555.
- Shasta Dam tour and related information
- Access across Shasta Dam
- Shasta Dam Restricted Area
- Shasta Dam Temperature Control Device
- Shasta Dam construction
- Shasta Dam and Reservoir Enlargement Project (Shasta Dam raise)


The Water and Power Development Authority (Wapda) has been directed by the Prime minister to start construction of Diamer-Bhasha dam (DBD) immediately. In this regard an agreement worth Rs. 442 Billion has also been signed with a Joint Venture namely Power China-FWO for construction of diversion system, main dam, Access Bridge and 21 MW-Tangir Hydropower Project.
Construction of Diamer-Bhasha dam will create 16,500 direct and indirect jobs. Cement and other construction materials will be used in huge amounts for the construction of this dam which will help provide the much needed support to the construction and allied industries at this time. Furthermore an area of 1.23 million acres of land will be brought under agriculture due to this dam. DBD will produce 4,500 MW of electricity and add 35 years to the life of Tarbela dam by reducing sedimentation.
Wapda has already awarded consultancy services worth Rs.27.182 billion to Diamer Basha Consultants Group (DBCG). The DBCG comprises of 12 top-ranked national and foreign consulting firms with NESPAK as the lead firm.
The consultancy agreement includes construction design, construction supervision and contract administration of Diamer Bhasha Dam Project.


Cordoba - Argentina
Panedile Argentina S.A.I.C.F. e I., Società Italiana per Condotte d'Acqua S.p.A. - Rome
1973 - 1985
Description for Rio Grande (Argentina)
Hydroelectric Plant with Pumped Station.
- IP = 750 MW, max gross head = 204 m, Qt = 500 m³/s, Qp = 312 m³/s
- Main dam: zoned earth fill with impervious central core (H = 104 m, Crest L = 410 m, V = 3.6 Mm³)
- Saddle dam - zoned earth fill with impervious core (H = 50 m, Crest L = 1.475 m, V = 1.6 Mm³)
- Underground power house (L = 105 m, Width 25 m, H = 47 m, N° 4 Francis turbine/pump reversible units - 187.5 MW each)
- Surge shaft (H = 62 m, A = 1,012 m²)
- Tailrace tunnel - and headrace for storage pumping (L = 5,315 m, A = 200.60 m²)
- Access tunnel to underground power station (L = 1,800 m)
- Spillway (Q = 2,100 m³/s)
- Intake works and penstocks
- General consultancy and supervision of the entire scheme with full technical responsibilities and approval of all the projects, supervision of construction, special studies
- Construction design of all works excluding : embankments (Panedile Argentina), hydraulic equipment (Allis Chalmers), electrical equipment (Brown Boveri), mechanical equipment (IMPSA)
Koysha is the fourth plant of the Omo river cascade (IPtot = 4600 MW),...
Gibe V (Ethiopia)
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Namakhvani Cascade (Georgia)
Namakhvani HPP Cascade, includes the construction of three hydropower schemes...
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San Lorenzo (Sestu) is a small hydroelectric plant to supply the water...
Enguri Cascade (Georgia)
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Rockfill dam with bituminous facing (BFRd) with a reservoir for irrigation,...
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Grooved End Swing Check Valves 2" to 12" (DN50 to DN300)
The TYCO Model CV-1F Grooved End Swing Check Valve is a compact and rugged swing-type unit that allows water flow in one direction and prevents flow in the opposite direction.
A resilient elastomer seal facing on the spring-loaded clapper ensures a leak-tight seal and non-sticking operation.
The Model CV-1F Check Valves are designed to minimize water hammer caused by flow reversal.
The Model CV-1F Grooved End Swing Check Valve is furnished with grooved ends and can be installed using GRINNELL Grooved Couplings or GRINNELL Figure 71 Flange Adapters.
The Model CV-1F Check Valves have been designed with a removable cover for ease of field maintenance. These valves can be installed horizontally (with cover in the upward position) or vertically with the flow in the upward direction.


On July 22, Power China Chengdu Engineering Corporation Limited was responsible for the design and complete set of electromechanical equipment for the first unit 1 of the Laos Salalong I Hydropower Station. The dynamic commissioning was completed, and the power generation conditions were met, waiting for instructions to enter 72-hour trial operation.
The Salalong I Hydropower Station is located in Savannakhet Province in central Laos. The project adopts dam-type development. The dam is a roller compacted concrete gravity dam with a maximum dam height of 67.5 meters. It is equipped with two vertical-axis Francis water wheels with a single unit capacity of 35 MW. The generator set is the first large-scale hydropower project in Savannakhet Province and is the backbone power supply for the southern Laos power grid.


Reconstruction of Beixi floodwater diversion bridge sluice in Guangdong started
- The project is mainly used for irrigation, power generation, etc., and the construction period is 540 days
- After completion, it can effectively improve the flood control and disaster resistance ability of the bridge gate
Recently, the reconstruction project of Beixi flood Diversion Bridge gate in Chaozhou, Guangdong, which was contracted by the 9th Hydropower Bureau of China Power Construction Corporation, has been officially started, which effectively helps Chaozhou integrate into the "Guangdong-Hong Kong-Macao Greater Bay Area" construction and development fast track.
Reconstruction project of Beixi flood Diversion Bridge gate in Chaozhou, Guangdong Province
It is reported that the reconstruction project of Beixi flood Diversion bridge gate in Chaozhou, Guangdong Province is located in Xiangqiao District, Chaozhou city, Guangdong Province. It is a public welfare people's livelihood water conservancy project, the main function is used for irrigation, power generation, flood discharge, drainage and communication between the two sides of the traffic, etc. Project design flood control standard for 30 years, check the flood standard for 100 years, the sluice according to 8 degrees of seismic fortification, engineering and other don't for Ⅱ, the sluice capacity in 1000 to 5000 cubic meters/second, the main building level for 2.
The main construction content of the project is the reconstruction of the original site of the sluice, including the reconstruction of the flood diversion bridge sluice, the connection buildings between the two sides, the energy dissipation works under the sluice, the reconstruction of the diversion sluice of the power station, the construction of management houses, flood prevention warehouses and other engineering management facilities; The sluice has 5 holes in total, with a single hole net width of 15 meters and a total net width of 75 meters; The floodgates are successively covered upstream, sluice chamber, downstream silencing pool, sea flood, anti-flood trough, etc. The planned construction period of the project is 540 days.
After completion, it will effectively guarantee the flood control demand in flood season and ensure the safety of local people's lives and property; At the same time, it can ensure the needs of residents for domestic water, farmland irrigation and power supply, provide green and beautiful leisure places for nearby residents, further create a livable and productive living environment, and provide important support for the sustained and healthy development of local economy and society and stable employment of people. Editor/He Yuting


- Flood Warning issued May 31 at 9:00PM CDT until June 04 at 9:24PM CDT by NWS
- Effective: 9 p.m. on Tuesday, May 31, 2016
- Expires: 9:24 p.m. on Saturday, June 4, 2016
...The flood warning continues for the following rivers in
Missouri River near Chamois
Missouri River at Hermann
Missouri River at Washington
Missouri River at St. Charles
Missouri River at Jefferson City
Missouri River at Gasconade
The Flood Warning continues for
the Missouri River at Hermann
* until Saturday evening.
* At 8:30 PM Tuesday the stage was 25.4 feet.
* Flood stage is 21.0 feet.
* Minor flooding is forecast.
* The river is forecast to continue rising to near feet by after
midnight tonight, then fall below flood stage Friday before
* Impact: At 25.9 feet...State Route B in northwest Franklin County
west of New Haven is closed near this height between Berger and
* Impact: At 25.2 feet...The Bait shop just below the bridge floods.
* Impact: At 25.1 feet...Katy Trail near Portland Floods
* Impact: At 25.0 feet...City Lions Club Athletic Field begins to
* Impact: At 21.0 feet...Minor flooding of cropland begins...
particularly just north of the Highway 19 bridge along the Loutre
Fld Latest 7 a.m. Forecast
LOCATION Stg Obs Stg 06/01 06/02 06/03 06/04 06/05
Hermann 21.0 25.41 25.5 24.7 22.2 20.4 19.2
- See more at NOAA


Jump to Main Content
Generation and regulation of summer runoff in a boreal flat fen
- Kværner, Jens, Kløve, Bjørn
- Journal of hydrology 2008 v.360 no.1-4 pp. 15-30
- fens, runoff, storms, stormwater, soil water storage, peat soils, watershed hydrology, rain, summer, subsurface flow, stream flow, Norway
- Hydrometric measurements, electrical conductivity, water isotopic and hydrochemical components of stream water were used to study summer runoff generation in a flat fen. Different processes generated runoff at low- and high-flows. At storm-flows, fen runoff was generated from overland flow, originating from upland surface water. Temporary storage of water on the fen surface attenuated and delayed flow peaks. At low-flows, runoff at the fen outlet was generated from shallow subsurface flow in the Acrotelm. During low-flow periods, water originated mainly from peat storage water while during episodic events the wetland water storage was renewed by inflowing stream water. Assessment and modeling of hydrological effects of peatlands should be performed separately for low-flows and high-flows, based on the dominating runoff generating processes. Attenuation and retardation of storm-flows in fens by temporary surface storage will depend on the geometric properties of both storage sections and sections controlling outflow. A routing reservoir model adapted for flat fens can be used for simulation of attenuation and retardation in runoff events, and it is suggested that the model concept should be tested for a broader range of peatlands.


Certikin Hurricane Commercial Three Phase Pump without Pre-Filter -
Certikin's Hurricane Pump range of 3000rpm offers all the power and performance of traditional cast iron centrifugal pump with the added versatility of a chemically resistant, lightweight modern plastic design.
Capable of pumping large volumes of water at high pressure, Hurricane pumps are supplied with 3-phase motors starting at 2.9kW (4.0HP) through to 9.2kW (12.5HP) achieving flows in excess of 150m3/hr.
- Flooded suction
- Suitable for salt water applications
- Quick fit union connections
- Plastic impellor on 4.0HP and 5.5HP models, bronze impellor on 7.5HP-12.5HP
- 316 stainless steel shaft
- 316 stainless steel strainer basket (pre-filter models only)
- IP55 protection rated


Flygt 13430006 Vulcan Model C Hand Operated Pump Lifting Chain Hoist
Checkout securely with
The Flygt Model 1343006 Vulcan pump lifting chain hoist works with Flygt 9/32" galvanized pump lifting chain to remove Flygt submersible pumps from pits.
The Flygt Vulcan Pump Lifting Chain Hoist has a plated steel hand chain and a swivel top hook with a safety clasp. It is normally used in conjunction with the Flygt Pump Lifting Davit.
Simply feed the loose end of the pump lifting chain into the bottom of the pump lifting hoist. Once one end of the pump lifting chain has been fed into the Vulcan hoist, continue operating the pump lifting hoist until the pump is completely out of the pit.


Skip to Main Content
Hybrid pumped storage power station refers to the general hydropower station combined with reversible pumped storage units, which can accomplish such functions as energy storage, power generation, peak clipping and valley filling, and etc. The energy reserve will become a significant aspect on the process of constructing the strong smart grid, and pumped storage power station, serves as a kind of storage measures, could alleviate the peak load and distribute the power effectively. Correspondingly, the operational flexibility of the smart grid will be improved greatly. Thus, it is essential to make a study on the optimizing operation of hybrid pumped storage power station. Under full consideration of the natural incoming water flow in the past several years of a reservoir, we build a model aimed at annual maximum generating power minus the pumping-consumed power without considering the peak and valley price. According to the regulation characteristics of the reservoir, we select the dry, normal, high flow year using method of frequent selection. Meanwhile, depending on each types of typical year, with a year as an optimization cycle, this paper uses the dynamic programming algorithm that uses average generated flow and the pumping time in each phase, this two parameters as the control variations to work out the better operation water level and pumping time for the reservoir under the known condition of the initial or last reservoir storage (water level). The final result presents that the water level will rise, and we can also obtain the maximum additional generation matched with corresponding pumping "head" produced by additional reversible pumped storage units, bring the increasing of output. Meanwhile, the longer the time we spend in pumping water, the more annual generated energy we will get. However, because of the usage of pumped storage units, which also consume certain electrical energy. Consequently, the pure generated energy will be less than the one withou- - t using the pumped storage units. Hence, this type of originations of the power station is so flexible that its optimizing operation is much more significative to the future regulation and control of generated energy.


In southern Africa, construction of the Batoka Gorge Dam hydropower project, to be conducted by the governments of Zambia and Zimbabwe, is scheduled to commence this year.
Local media reported that the Zimbabwe River Authority (ZRA) announced that engineering feasibility studies should be complete in July, together with the environmental and social impact assessment studies, allowing for the Batoka Gorge Dam hydropower power project to commence.
A statement from the ZRA said: “The legal and financial advisory studies will also be complete in the course of this year. This part of the studies will come up with recommendations on various options for financing the project, which is estimated to cost $3.5 billion.”
According to the media, the magnitude of this hydropower dam is estimated to be one of Africa’s tallest and would create a large reservoir with the capacity to supply 60% of the continent’s electricity needs.
Batoka Gorge Dam – third largest hydropower
Experts believe that the Batoka George Dam project would be the third largest hydropower development on the Zambezi River mainstream, after Kariba and Cabora Bassa in Mozambique.
ZRA highlighted that once completed, the hydropower station will have the capacity to generate around 2,400MW of power that would be shared equally by the two countries.
According to the media, two power stations are scheduled for construction on the northern and southern sides of the dam, similar to that of the Kariba Dam.
The project is expected to take approximately 10 years to reach full completion.
The media also reported that the objective of this project is to increase power generation and capacity between Zambia and Zimbabwe, while reducing power outages and reliance on coal-fired power stations.


Low flows are often poorly reproduced by commonly used hydrological models, which are traditionally designed to meet peak flow situations. Hence, there is a need to improve hydrological models for low flow prediction. This study assessed the impact of model structure on low flow simulations and recession behaviour using the Framework for Understanding Structural Errors (FUSE). FUSE identifies the set of subjective decisions made when building a hydrological model and provides multiple options for each modeling decision. Altogether 79 models were created and applied to simulate stream flows in the snow dominated headwater catchment Narsjø in Norway (119 km2). All models were calibrated using an automatic optimisation method. The results showed that simulations of summer low flows were poorer than simulations of winter low flows, reflecting the importance of different hydrological processes. The model structure influencing winter low flow simulations is the lower layer architecture, whereas various model structures were identified to influence model performance during summer.


In an exclusive interview with the Dhaka Tribune's Nawaz Farhin Antara, recently expelled Jamaat-e-Islami...
The project aims to mitigate water-logging in Noakhali through the construction of a flood control and...
Copyright Ⓒ 2012-2019. 2A Media Limited.
All Rights Reserved.
8/C, FR Tower, Panthapath, Dhaka 1207, Bangladesh.
Kazi Anis Ahmed, Publisher


Sacramento River below Shasta Dam, Shasta Lake, California
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- Power distribution station, Shasta Dam, Shasta Lake, California
- Hoover Dam panorama over Colorado River on the boarder between Arizona and Nevada.
- Looking down on Hoover Dam, near Boulder City, Nevada
- Wall of portuguese dam.
- Panorama dam wall of Kaprun power plant Salzburg Alps Austria
- dam close up at day sunset in hong kong
- Spillway, Shasta Dam, Shasta Lake, California
- Norris Dam spillway. A hydroelectric dam in East Tennessee.
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Alaknanda Hydroelectric Project
The Alaknanda Hydroelectric Project is located on the Alaknanda River in Srinagar, Uttarakhand India. The run-of-river hydroelectric project is expected to reduce the northern grid's dependence on fossil fuels for electricity generation.
The project includes the construction of a 98-meter-long concrete gravity diversion dam, a headdress tunnel, six intake tunnels, a desilting basin, a powerhouse, a tailrace channel, and a switchyard. The total generation capacity of the project is 330 MW.
Encardio-rite was awarded the sub-contract for supply as well as installation of safety monitoring geotechnical and geodetic instrumentation for the project.


Our standard hull units vary by ship size with a range of shaft diameters from 100mm to 360mm.
A hull units contains two main hydraulic cylinders that are connected through the tiller on the main shaft. The main shaft and fins are connected through a tapered hydraulic coupling. The working pressure on the main cylinders can deviate from 140 bar to 210 bar.
Below a list with the current types of Hull units,


This series of pumps are mainly used in municipal engineering, building building, industrial sewage
discharge, environmental sewage treatment, wastewater treatment in factories and mines and other
occasions, such as solid and long fiber sewage, wastewater, rainwater and other media, stainless steel
material can also be used for pumping corrosive medium.
1. a single or double leaf blade is used to improve the passing capacity of the living material, and can
effectively pass 5 times the fiber material with the diameter of the pump and the solid particles with
diameter of about 50% of the pump diameter.
2. mechanical seals adopt new hard corrosion resistant softening tungsten materials.
3. the compact structure, small volume, low noise, energy saving effect, convenient maintenance, no need
to build a pump house, pour into the water can work, greatly reduce the project cost.
4. can be equipped with full automatic control cabinet according to the needs of the user, and automatically
protect the water leakage, leakage, overload and overtemperature of the pump, so as to improve the
safety and reliability of the product.
5., it can be used in the whole lift without overloading the motor.
6. the pump with cutting knife can cut up dirt, fiber and automatically discharge. It has anti blocking and
no winding function, especially suitable for long fiber working condition.


Work will begin Friday to connect Shandon to the State Water Project.
Crews will be installing a new turnout facility from the water project to provide Shandon access to its 100 acre-feet per year water allocation. The project entails building a concrete vault to house turnout equipment along with a 2-inch waterline from the State Water Project pipeline to the existing pipeline in Shandon’s water system.
Work is scheduled to be completed July 7. No road closures and traffic delays are expected.
Sansone Company Inc. has been awarded the contract for the work for $264,760. The work is funded by County Service Area 16, which serves Shandon.


Flood Warning issued January 29 at 12:00PM CST until January 31 at 12:00PM CST by NWS
AREAS EFFECTED: Tunica
The Flood Warning continues for parts of the Mississippi River. The Flood Warning continues for the Mississippi River at Tunica Riverpark * until Thursday January 30. * At 10 AM Wednesday the stage was 41.8 feet and falling. * Minor flooding is occurring.


Nuozu is a 75MW hydro power project. It is located on Nanpan river/basin in Yunnan, China. The project is currently active. It has been developed in single phase. The project construction commenced in 2005 and subsequently entered into commercial operation in 2009.
|Project Type||Total Capacity (MW)||Active Capacity (MW)||Pipeline Capacity (MW)||Project Status||Project Location||Project Developer||Hydropower||75||75||–||Active||Yunnan, China||Yunnan Nanpanjiang Fenghuanggu Hydroelectric Development|
The project was developed by Yunnan Nanpanjiang Fenghuanggu Hydroelectric Development and is currently owned by Yunan Nanpanjiang Nuozu Hydropower Development.
The net head of the project is 88.5m. The project generated 366.77 GWh of electricity. The project cost is $85.83m.
The project construction commenced in 2005 and subsequently entered into commercial operation in 2009.
Kunming Electric Machine was selected as the turbine supplier for the hydro power project. The company provided 3 turbines, each with 25.62MW nameplate capacity.
Kunming Electric Machine supplied 3 electric generators for the project. The generator capacity is 25.62 MVA.
About Yunnan Nanpanjiang Fenghuanggu Hydroelectric Development
Yunnan Nanpanjiang Fenghuanggu Hydroelectric Development Co., Ltd is engaged in the generation and distribution of hydro based power in China. It owns and operates the Yunnan Fenghuanggu Hydropower project in Qujing City, Yunan Province. The project has a generation capacity of 100 MW.
All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.


‘Skilled workers make hydro projects successful’
WAPDA officials with project management at Mohmand Dam. [Photo/WAPDA]
ISLAMABAD, May 15 (Gwadar Pro) - “Integrity, dignity and competence reign supreme. I am fortunate to have good people around me,” said outgoing WAPDA Chairman Lt Gen Muzammil Hussain (Retd) during his farewell visits to four under-construction signature projects of WAPDA. Mr. Hussain appreciated the dedication and “execution skills” of WAPDA staff, Chinese and Pakistani consultants, contractors and district administration by making these projects success stories.
The four mega projects include Dasu Hydropower Project, Mohmand Dam Project, Diamer-Basha Dam and Tarbela 5th Extension. China Gezhouba Group Company (CGGC) in JV is constructing Dasu HPP and Mohmand HPP while Power China is involved in the construction of Diamer-Basha Dam.
Muzammil Hussain appreciated the commitment and dedication of the projects’ management in carrying these projects forward. Mr. Hussain was accompanied by the newly posted chairman Naveed Asghar Chaudhry. They held meetings with different stakeholders of the projects including Chinese officials, engineers and workers.
CGCC officials also presented shields to Mr. Hussain and Mr. Chaudhry during their visit to Dasu Power Project.
CGGC official presents shields to WAPDA’s outgoing and designated heads. [Photo/WAPDA]
Currently, WAPDA is taking ahead the construction of 10 mega projects at a good pace. These projects, which are scheduled to be completed from 2022 to 2029, will ensure water, food and energy security of Pakistan with cumulative gross water storage capacity of 11.7 million acre feet (MAF) and installed hydel power generation capacity of 11369 megawatts; sufficient to irrigate 3.5 million acres of land and provide 44.7 billion units of green and cheap electricity on the average every year.
“We were mindful of the fact that WAPDA must stand up to tackle these challenges. WAPDA not only completed as many as four long-stranded projects but also had been able to initiate 10 mega projects by removing the bottlenecks,” he said.
WAPDA officials also inaugurated the newly-constructed office building of the project at Mohmand Dam.
CGGC in JV is constructing Mohmand Dam across River Swat in District Mohmand of Khyber Pakhtunkhwa (KP) with gross water storage capacity of 1.2 MAF and power generation capacity of 800 MW. The project will be completed in 2026.
Similarly, CGGC is involved in Dasu Hydropower Project Stage-I which is being executed across River Indus in District Upper Kohistan of KP with installed power generation capacity of 2160 MW. The project will commence power generation in 2026.
Power-China and FOW are the constructors of Diamer Basha Dam being constructed across River Indus 40-Km downstream Chilas Town of Gilgit Baltistan with gross water storage capacity of 8.1 MAF and installed power generation capacity of 4500 MW. The project is scheduled to be completed in 2029.
Tarbela 5th Extension Hydropower Project is being constructed on the 5th Tunnel of Tarbela Dam located in District Haripur of Khyber Pakhtunkhwa with installed generation capacity of 1530 MW. Electricity generation from the project will start in 2024.


T, TP Range
Peripheral – Positive Displacement pump
according to EN 733 (DIN 2455)
Close-coupled peripheral pumps (regenerative pumps) with turbine impeller.
T, TP: version with pump casing and lanter bracket in cast iron.
B-T, B-TP: version with pump casing and lanter bracket in bronze (the pumps are supplied fully painted).
For clean liquids without abrasives, without suspended solids, non-explosive, non-aggressive for the pump materials.
For increasing network pressure (follow local specifications).
For the reduced dimensions, these pumps are very well suitable to be mounted in cooling and air-conditioning machines and equipments, circulation, boiler feed.
Maximum Capacity: 6 m3/hr
Maximum Delivery Head: 150 m
Maximum Liquid Temperature: 90 DegC


10.2 MW Hydro Plant
10.2 MW Madar Batdara Hydro Power Project.
Batdara Dist. Muzaffarabad AJK Pakistan
- 10.2 MW Madar Batdara Hydro Power Project
- Batdara has been approved for the development of 10.2 MW hydro power project by the Private Power Cell of Government of Azad Jammu and Kashmir
- The project is going to be developed on BOOT basis for 25 years.
Project Site: Batdara Near Muzaffarabad AJ&K Project Type: Hydro Power Project
Project Net Capacity: 10.2 MW
Configuration: 3 x Pelton Turbine
Pelton Turbine: PH22N2 -1060
Sponsor: Grange Holdings Limited
EPC: Matousek Czech Republic
Pelton Turbine: Mavel (Czech Rep.) (Vendor)


Please use this identifier to cite or link to this item:
|Title:||Application of a two-dimensional model of hydrodynamics to the lower approach of the New Kentucky Lock, Tennessee River, Kentucky: numerical model investigation|
|Authors:||Stockstill, Richard L.|
Hite, John E.
|Publisher:||Coastal and Hydraulics Laboratory (U.S.)|
Engineer Research and Development Center (U.S.)
|Series/Report no.:||Technical report (U.S. Army Engineer Waterways Experiment Station) ; CHL-98-9.|
Because the existing Kentucky Lock, located on the Tennessee River, is operating at capacity, an additional 1, 200-ft-long by 110-ft -wide lock is projected to be necessary to satisfy future capacity requirements. The new lock features a through-the-sill intake that carries flow to a multiport filling and emptying system. Two alternatives for the lock discharge outlet in the lower lock approach. The other plan had a landside channel that discharge downstream of the lower approach guide wall. The two-dimensional (2D), depth-averaged flow model, HIVEL2D, was used to simulate the unsteady velocities and water-surface elevations in the lower lock approach resulting from lock emptying operations. The HIVEL2D model was chosen for this study because it provides numerically stable solutions for advection-dominated flow containing large gradients in the flow variables. THE HIVEL2D code was modified to allow specification of time-dependent inflow boundary conditions. Simulations of the flow conditions in the lower lock approach for the proposed 1,200-ft lock were performed to evaluate the interlaced lateral and landside channel discharge alternatives.
|Appears in Collections:||Technical Report|


Public Utilities Corporation (PUC)
2016 - in progress
Description for La Gogue (Seychelles)
The scope of the assignment is the rehabilitation and upgrade of the existing La Gogue dam and the construction of a new water treatment plant for the water supply scheme.
- La Gogue earthfill dam, raised of 6 m (final dam H = 41m, L_crest = 200 m)
- Upgrading works for the drainage system, grouting screen, saddle grouting, etc.
- New side spillway (L = 14 m, Q = 119 m3/s) with stepped chute (L = 150 m, w = 5 m) and stilling basin
- Upgrade of intake tower, rehabilitated and raised of 6 m
- New Water Treatment Plant (capacity of 4400 m3/day) serving the water supply scheme for 13'000 people
- Design review and upgrade
- Tender documents for Dam Raising (FIDIC Red Book) and Water Treatment (FIDIC Yellow Book)
- Assistance during bidding process
- Construction supervision as FIDIC Engineer and Employer’s Representative
- Supervision during commissioning
Carpat PSP (Romania)
Pumped storage plant with an installed power of 300 MW.
The scope of the assignment is the rehabilitation of the existing Hermitage...
Jamaica 6 (Jamaica)
Jamaica 6 project includes the feasibility for six small hpps in Jamaica and...
Water storage plant for irrigation purposes with a reservoir capacity of 42...
Arda Cascade (Bulgaria)
Hydropower cascade including the existing plants of Karjali (IP = 106 MW),...
La Gogue (Seychelles)
The scope of the assignment is the rehabilitation and upgrade of the existing...
PHASE 1: Achievement of a reservoir for flood control of the Temo...
Reservoir capacity augmentation through the heightening of an existing...
Djouè river hydroelettric plant (tributary of Congo).


1630 East Recycled Watr PUmp Station Surge Protection System, Project No. EN15055
NOE - Notice of Exemption
The purpose of the proposed project is to replace two existing air compressors, including support equipment, to provide adequate surge protection at the 1630 Recycled Water Pump Station. The new air compressors will be installed within the existing disturbed footprint of the 1299 East Reservoir facility.


The 132 kV Gajryang–Khimti double-circuit transmission line project is all set to transmit 200 MW power from the 12 MW Upper Khimti and 7 MW Upper Khimti II hydropower projects in the Khimti and Likhu river watershed areas.
The state-owned Nepal Electricity Authority (NEA) had completed construction of the project in September 2022, to provide reliable power supply and control power losses at the local level. The project involved an investment of USD20 million by the Nepal government. The transmission project entailed the construction of 32-km-long transmission line from Gajryang of Gokulganga Rural Municipality at Ramechhap district that passes through Tamakoshi Rural Municipality of Dolakha to a New Khimti substation at Sankhe (Fulasi) in Manthali Municipality-13 of Ramechhap. In addition, a new 132 kV substation at Gajryang and a 132 kV bay at the New Khimti transmission line have also been developed. The new Gajryang substation has 132/33 kV power transformers with 30 MVA power capacity and 33/11 kV transformers with 8 MVA power capacity for local power supply. In a separate development, NEA has initiated discussions with locals to go ahead with construction of the 220 kV Lapsiphedi substation in Kathmandu, Nepal. Local opposition has been hampering the construction of five towers along the 400 kV Tamakosi–Kathmandu transmission line. The project entails the construction of a 220 kV substation, a power control grid, and the installation of transformers, capacitors, reactors, switchgear, and protection and control equipment. Being financed with a concessional loan from the Asian Development Bank (ADB), it envisages an investment worth USD30 million. Meanwhile, NEA has also commenced the construction of 400 kV, 220 kV and 132 kV substations in Lapsiphedi for distribution of power from the hydropower projects constructed on the Tamakoshi and Sunkoshi rivers, mainly to the Kathmandu valley.


Web Exclusive | January 2013
UJVNL officials told to complete hydel projects in U'khand
Uttarakhand Jal Vidyut Nigam (UJVNL) in Dehradun has asked its officials concerned to complete all the pending projects in the given time frame. UJVNL Chairman Subhash Kumar instructed the officials in this regard, He also instructed officials to pace up land transfer to complete all pending projects in the given time frame.
Kumar instructed officials to hold meeting with the forest department officials and district administration to change the land use so that construction of sanctioned hydro power projects could be started and completed in the given time frame. After reviewing the small hydro power projects during the meeting, Kumar instructed officials to carry modernisation work for the optimum power generation.
He also gave strict instructions to do work on war footing so that different under construction hydro power projects including 8 megawatt Sobla (Pitthoragarh) small hydro power project, 6 megawatt Kaliganga (Rudraprayag) small hydro power project and 1.5 megawatt Dunaw (Pauri) small hydro power project will be commissioned by the end of this year.
Officials were also instructed to complete 5 megawatt Suringad small hydro power project which is at final stage and 24 megawatt Bhilangna (IIA) at earliest. He also instructed officials to make the DPR for the 24 megawatt Bhilangna (IIB) and 5 megawatt project at Chamoli and to bring the project to the ground level at earliest.


GMIDCL – Nandur Madhmeshwar Irrigation – Maharashtra - Project Profile
- March 2018 •
- 7 pages •
- Report ID: 4892244
"GMIDCL – Nandur Madhmeshwar Irrigation – Maharashtra - Project Profile" contains information on the scope of the project including project overview and location. The profile also details project ownership and funding, gives a full project description, as well as information on contracts, tendering and key project contacts.
The "GMIDCL – Nandur Madhmeshwar Irrigation – Maharashtra - Project Profile" is part of Timetric’s database of 82,000+ construction projects. Our database includes a 10+ year archive of completed projects, full coverage of all global projects with a value greater than $25 million and key contact details for project managers, owners, consultants, contractors and bidders.
Godavari Marathwada Irrigation Development Corporation Limited (GMIDCL) is undertaking the construction of a Nandur Madhmeshwar Irrigation project in Pune, Maharashtra, India.
The project involves the construction of dams. It includes the construction of dam gates and a powerhouse, and the installation of transmission lines, pipelines and turbines.
The project envisages construction of four storage dams, i.e, Mukane dam, Waki (Aibp) dam, Bhavali dam, Bham dam.
On June 15, 1978, project received approvals.
Harvins Constructions has been appointed as EPC contractor for Waki dam project and S A Sawant as EPC contractor for Bham dam.
In 2006, Construction works on Mukane dam completed and in 2009, construction works on Bhavali dam completed. Construction works on Waki dam completed.
In October 2016, an agreement was signed with NABARD for funding the project.
Construction works on Bham Dam are underway and are scheduled to be completed by 2019.
The project involves the construction of dams in Pune, Maharashtra, India.
The US$270 million project includes the following:
1. Construction of dams
2. Construction of dam gates
3. Construction of a powerhouse
4. Installation of transmission lines
5. Installation of pipelines
6. Installation of turbines
Reasons To Buy
• Gain insight into the project.
• Monitor the latest project developments.
• Identify key project contacts.


- Flood Warning issued October 23 at 9:03AM CDT until October 25 at 2:30AM CDT by NWS
- Effective: 9:03 a.m. on Monday, Oct. 23, 2017
- Expires: 2:30 a.m. on Wednesday, Oct. 25, 2017
...The Flood Warning continues for the following rivers in
Marmaton River near Nevada affecting Vernon County
...For the Marmaton River near Nevada...
* At 8:45 AM Monday The stage was 20.5 feet.
* Flood stage is 20.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue rising to near 20.9 feet by this
afternoon. The river will fall below flood stage around midnight.
* Impact...At 20.0 feet...Minor flooding occurs near the gage site and
affects low lying areas along the river.
FLOOD OBSERVED FORECAST 7 AM
LOCATION STAGE STAGE DAY TIME Tue Wed Thu
Marmaton River Basin
Nevada 20 20.5 Mon 09 AM 19.4 12.3 7.2
- See more at NOAA


New pipeline to source drinking water to be built in India
The Kerala Water Authority (KWA) has awarded the work to Erode-based Annai Infra Developers.
The work involves the supply, laying, testing, and commissioning of a 1422-mm, mild steel, clear water gravity main from the 120-mld water treatment plant proposed at the site to the ground-level storage reservoir of the KWA at PTP Nagar.
Survey for the construction of the transmission main has been completed and the work does not involve land acquisition. The pipeline construction is expected to be completed in 18 months.
The Neyyar project envisages a daily supply of 100 million litres to the city and 20 million litres a day (mld) to Vilappil, Vilavoorkal, Maranalloor and Malayinkeezhu panchayats.
The Neyyar reservoir was designated as a possible alternative water source for the city region after the KWA was forced to rig temporary pumping facilities there when water levels in the Peppara dam—the main source—dipped alarmingly during the 2017 summer.


Micromechanical Model for Simulating Hydraulic Fractures of Rock
A numerical model is developed to study hydraulic fracturing in permeable and heterogeneous rocks, coupling with the flow and failure process. The effects of flow and in-situ stress ratio on fracture, material homogeneity and breakdown pressure are specifically studied.
Tong Yi-Zhang and Jang-Kyo Kim
T. H. Yang et al., "Micromechanical Model for Simulating Hydraulic Fractures of Rock ", Advanced Materials Research, Vol. 9, pp. 127-136, 2005


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Chrysler Performance Pumps
- High volume performance upgrade of the M190.
- 20% increased volume over stock pump.
- The pump is supplied with a gerotor designed to provide 20% increased oil volume than the original Chrysler design.
- The pump design has been improved by separating the inlet oil from the by-passed oil.
- In addition pump materials have been changed to improve performance and durability.
- Standard volume performance upgrade of the M342.
- The 10342 features a hardcoat anodized body with a cast iron phosphate coated cover for improved pump performance and durability.
- Adjustable by-pass pressure using optional springs.
- The cup plugs have been replaced with threaded fittings.
- Uses 1-1/8” bolt on screen.


Abuja - Nigeria
Sarin Iniziative Industriali S.p.A.
1995 - 2002
Description for Bwari Aqueduct (Nigeria)
Water supply system for the district of Abuja, including pipelines, pumping station, storage and surge tank.
- Pumping Station ( No. 6 pumps, Q = 310 l/s, H = 95 m )
- Main Pipeline ( D = 600 mm, L = 13.8 km, No. 50 wash out and air relief valves, No. 5 control cabins )
- Distribution Pipelines ( D = 150-300 mm, L = 8.3 km, No. 50 user points )
- Storage Tank ( V = 12'500 m³, H = 7 m )
- No. 1 Telecontrol System
- No. 50 Distribution Fountains
Kamuzu I Dam (Malawi)
The scope of the assignment is the raising,...
Lower Diamphwe Multi-Purpose Project (Malawi)
This project includes the Lower Diamphwe Multipurpose Dam and associated...
Maccheronis Dam (Italy)
Reservoir capacity augmentation through the heightening of an existing...
Ruzizi Transmission Lines (Africa)
Studio Pietrangeli is a consultancy firm specialized in transmission lines...
Kabuyanda Multi-Purpose Project (Uganda)
Kabuyanda is a multipurpose dam envisaged for agriculture (paddy rice and...
Kariba Dam (Zambia-Zimbabwe)
This project foresees the rehabilitation for the...
Montedoglio Dam (Italy)
Montedoglio dam has suffered some damages at the...
Uvini Hydropower (Italy)
Refurbishment of the Uvini hydropower plant.
Acerenza Dam (Italy)
Water storage plant for irrigation purposes with a reservoir capacity of 42...


Itezhi Tezhi is a 120MW hydro power project. It is located on Kafue river/basin in Southern, Zambia. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the project is currently active. It has been developed in a single phase. The project construction commenced in 2011 and subsequently entered into commercial operation in 2016. Buy the profile here.
The project was developed by Itezhi Tezhi Power. The project is co-owned by The Tata Power and ZESCO, with their respective ownership stake of 50% each.
The hydro reservoir capacity is 6,000 million cubic meter. The net head of the project is 40m. The project generated 611 GWh of electricity. The project cost is $244m.
The project construction commenced in 2011 and subsequently entered into commercial operation in 2016.
Power purchase agreement
The power generated from the project is sold to ZESCO under a power purchase agreement for a period of 25 years. The contracted capacity is 120MW.
Sinohydro was selected to render engineering procurement construction services for the hydro power project.
GE Renewable Energy was selected as the turbine supplier for the hydro power project. The company provided 2 units of kaplan turbines, each with 60MW nameplate capacity.
GE Renewable Energy supplied 2 electric generators for the project.
For more details on Itezhi Tezhi, buy the profile here.


Tri-Rotor Series 200 Pumps
Tri-Rotor series 200 pumps designed with side suction and top discharge flanged ports and are available in both clockwise (CW) and counterclockwise (CCW) rotations for pump installation flexibility. This heavy-duty pump is perfect for simple fluid transfer such as loading and unloading drums, tanks, and trailers. These pumps also serve a diverse range of industrial market applications such as pumping clay slurry, coal tar pitch, and diesel fuel.
Series 200 – Up to 200 GPM
200A Solid Head Pump
200Ais in the largest family of Tri-Rotor solid head pumps that provide constant flow rates. This heavy-duty pump is perfect for simple fluid transfer such as loading and unloading drums, totes, tanks, and trailers.
200AX Bypass Head Pump
200AX is in the largest family of Tri-Rotor bypass head pumps that incorporate an internal relief valve and provide constant flow rates. The oversized relief valve bypasses full flow directly from the discharge to the suction port when the set discharge pressure is achieved.
200AV Variable Volume Control Head Pump
200AV is in the largest family of Tri-Rotor variable volume control head pumps that provide variable flow rates. This heavy-duty pump, with its unique design, allows the end-user to adjust the flow rate of the pump from 0% to 100%.


|作者：||Ji Pei, Tingyun Yin, Shouqi Yuan, Wenjie Wang, Jiabin Wang|
1National Research Center of Pumps, Jiangsu University
2Shandong Shuanglun Co., Ltd.
|刊名：||Chinese Journal of Mechanical Engineering, 2017, Vol.30 (1), pp.103-109|
|来源数据库：||Springer Nature Journal|
|关键词：||cavitation optimization; computational fluid dynamics; orthogonal design of experiment; range analysis;|
|英文摘要：||Abstract(#br)Cavitation is one of the most important performance of centrifugal pumps. However, the current optimization works of centrifugal pump are mostly focusing on hydraulic efficiency only, which may result in poor cavitation performance. Therefore, it is necessary to find an appropriate solution to improve cavitation performance with acceptable efficiency. In this paper, to improve the cavitation performance of a centrifugal pump with a vaned diffuser, the influence of impeller geometric parameters on the cavitation of the pump is investigated using the orthogonal design of experiment (DOE) based on computational fluid dynamics. The impeller inlet diameter D 1 , inlet incidence angle Δ β , and blade wrap angle φ are selected as the main impeller geometric parameters and the... orthogonal experiment of L 9 (3*3) is performed. Three-dimensional steady simulations for cavitation are conducted by using constant gas mass fraction model with second-order upwind, and the predicated cavitation performance is validated by laboratory experiment. The optimization results are obtained by the range analysis method to improve cavitation performance without obvious decreasing the efficiency of the centrifugal pump. The internal flow of the pump is analyzed in order to identify the flow behavior that can affect cavitation performance. The results show that D 1 has the greatest influence on the pump cavitation and the final optimized impeller provides better flow distribution at blade leading edge. The final optimized impeller accomplishes better cavitation and hydraulic performance and the NPSHR decreases by 0.63m compared with the original one. The presented work supplies a feasible route in engineering practice to optimize a centrifugal pump impeller for better cavitation performance.|


08 Oct MTCC has been contracted to upgrade R. Angolhitheem Harbor on 8th October 2020.
MTCC has been contracted to upgrade R. Angolhitheem Harbor on 8th October 2020. The estimated value of the project is MVR 44.31 million. The project is scheduled to be completed within 365 days.
The R. Angolhitheem Harbour project consists of; dredging and reclamation operations of 42,000cbm; construction of a 221m breakwater; a 166m revetment; a 91.44m quay wall; installation of 1110sqm paved area and installation of streetlights.


June 25, 2015.
The entire day there has been rain. We spend all day indoors, while checking the water level on the river. It was necessary, as the water level in the river was low, and we had to leave the boats at the main channel a half a kilometer away. Heavy rain means that the water level might rise, and shift the logs which we used for mooring. The latter we cannot afford.


Flow characteristics of circular cylinders arranged side-by-side in shallow water
- H. Akilli, A. Akar, C. Karakus
- Flow Measurement and Instrumentation
A numerical prediction of flow in a tube bank is reported. The flow regimes considered cover a wide range of Reynolds numbers, which range from 380 to 99000 and which are equivalent to a range of inlet velocities from very low (0.072 m/s) to very high (60 m/s). In this study, calculations were made using the standard k-e model with standard wall function. The drag coefficient, skin friction drag, pressure drag, and pressure distribution around a tube were investigated. As the velocity increased, the drag coefficient decreased until the velocity exceeded 45 m/s, after which it increased. Furthermore, the pressure drag and skin friction drag depend on the velocity. Keywords—Numerical Fluid Flow Turbine Cooling Blade.


Model Z Wet/Wet Differential Pressure Transducer
The Model SPT-Z-D RDP sensor measures the pressure of a compatible liquid or gas.
Differential pressure transmitters measure the pressure difference between the two pressure connections.
These transmitters are compatible with a wide range of liquids and gases.
Additional product information Model Z Wet/Wet Differential Pressure Transducer
Supplier: RDP Electronics Ltd
|Pressure sensor type||Differential|
|Pressure sensors range||3kPa(0.5psi), 50kPa(7psi), 100kPa(15psi), 500kPa(73psi), 1MPa(145psi), 5MPa(725psi), 10MPa(1.4kpsi)|


The Misakubo Dam is a dam on the Tonaka River, a tributary stream of the Misakubo River, itself a tributary of the Ōi River, located in Tenyrū-ku Hamamatsu, Shizuoka Prefecture, on the island of Honshū, Japan.
The potential of the Ōi River valley for hydroelectric power development was realized by the Meiji government at the start of the 20th century. The Ōi River was characterized by a high volume of flow and a fast current. Its mountainous upper reaches and tributaries were areas of steep valleys and abundant rainfall, and were sparsely populated. From the 1930s through the 1960s, numerous concrete gravity dams had been constructed on the main flow of the Ōi River, and on its various tributary streams. The remote and steep-walled Misakubo valley was uninhabited, and was designated as the site for a new dam in the early 1960s.
The Misakubo Dam was constructed to provide water for the 50,000 KW Misakubo Hydroelectric Plant. Construction work be


26 Jan Work on Design and Build of L. Isdhoo Harbour is underway
Work on Design and Build of L. Isdhoo Harbour is underway, with overall 50% project progress. Dredging works for the project have been completed. Installation of precast concrete blocks required for quay wall construction is currently ongoing, with 45% completion.
Scope of works for the project include dredging and excavation operations of 27,129cbm; the construction of a 230m quay wall; a 208m breakwater; and a 98m revetment. Additionally, the installation of 1,560sqm of paved area and installation of harbor lights will also be undertaken. The value of the project is MVR 34.7 million.


On being built in the Amur region of Lower Bureyskaya plant began laying concrete in the basic construction of the station. Start concrete dam construction marks the transition from initiation to large-scale reversal of works on the construction of the power plant.
The works started in the same place where in August 2010 in the presence of the President of Russia Vladimir Putin, was placed first cubic meter of concrete in the dam body.
Lower-Bureisk power plant is the most powerful hydroelectric power plant, the construction of which was started in modern Russia, and one of the largest power plants being built in the Far East of the country. The station will provide power to the oil pipeline "Eastern Siberia — Pacific Ocean", a new cosmodrome "Free", promising mining projects in the Amur region. Construction of Lower Bureyskaya plant is included in the state program "Social and economic development of the Far East and the Baikal region."
Currently being deaf concreting the right bank of the dam of the future station, already packed about 100 cubic meters of concrete. It was first prepared bedrock of the dam, with the purpose of preventing the formation of cracks in the rocks instead of conventional drilling and blasting method was used rope cutting.
Concrete plant have been previously released glinobetonnuyu composition for impervious "wall in the ground", and re-release of hydraulic types of concrete needed for the construction of the main structures of the station. Carried out an experimental pumping water from the pit and actively conducting clearing river bed under the main concrete structure. In the riverbed downstream is clearing the bar (the shallows in the river), formed during the flood of 2012.
A full range of concrete work on construction of the main structures of the station will be deployed in June 2013, after the completion of the drainage ditch. In total this year, the dam of Lower Bureyskaya plant is planned to put 88.3 thousand cubic meters of concrete and reinforced concrete.
Lower-Bureyskaya GES — counterregulator Bureyskaya plant, the second station Bureyskiy hydroelectric complex. The design capacity of the plant — 320 MW (4 hydraulic), the average annual output — 1,650,000,000 kWh In addition to generating electricity, an important function of the Lower Bureyskaya plant is uneven alignment within days of discharges from Bureyskaya HPP. Construction of Lower Bureyskaya plant started in 2010, construction of the plant is one of the priority projects of the investment program of JSC "RusHydro".