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The 250MW Hatta pumped storage hydropower plant is being developed near Dubai, United Arab Emirates (UAE), by Dubai Electricity and Water Authority (DEWA). The total investment in the project is estimated to be roughly AED1.42bn ($386.52m).
Scheduled for commissioning in early 2024, it will be the first hydropower plant of its kind in the Arabian Peninsula.
The pumped storage facility will contribute to the Dubai Clean Energy Strategy 2050, which aims to increase the share of renewables in the city’s total power generation capacity to 75% by 2050.
Furthermore, the plant is expected to reduce the volatility associated with renewables such as photovoltaics and wind power.
Location and reservoir details
The Hatta pumped storage power project is located in Hatta, near the Hajar Mountains, about 140km south-east of Dubai.
The project will use the existing Hatta dam as the lower reservoir, while the upper reservoir will be created by constructing two roller-compacted concrete (RCC) dams, measuring 35m and 70m high.
The lower reservoir has a storage capacity of up to 1,716 million gallons. The upper reservoir, located 150m above the lower reservoir level, will have a storage capacity of 880 million gallons.
Hatta pumped hydropower plant details
Hatta pumped storage power plant will comprise a shaft-type powerhouse equipped with two pump-turbine and motor-generator units of 125MW capacity each.
The plant will use solar power to pump water from the lower reservoir to the upper reservoir for storage during off-peak periods. The stored water will be released to drive turbines for power generation during peak hours.
The turbine units will be equipped with double-fed asynchronous motor-generators to overcome the head variation of 175m and 125m during the charge-discharge cycle.
The project is expected to have a generation cycle of six hours in turbine mode and storage cycle of 7.4 hours in pumping mode. The overall storage capacity of the project is estimated at 1.5GWh.
A 1.3km-long and 7m-diameter pressure tunnel will be constructed to connect the two reservoirs. The tunnel will feed water to the powerhouse at a rate of 200m³/s, enabling the turbines to achieve an efficiency of 78.9% within 90 seconds.
Two road tunnels, which will be 470m and 440m long, will also be built using blast excavation.
Furthermore, reinforced outflow and intake structures along with ancillary buildings will be built as part of the project.
Contractors involved in Hatta pumped hydropower plant
French power company EDF received a contract worth AED58m ($15.78m) to provide consultancy services for the project in June 2017.
The contractual scope included design, geological, hydro-geological, geotechnical, environmental and deep excavation studies. The company was also consulted for deep-water tunnel designs, dam and hydroelectric power station, material supply tender, supervision of construction work, site installation, testing, and commissioning.
A consortium led by Austrian construction company Strabag received the engineering, procurement and construction (EPC) contract worth AED1.43bn ($389.21m) for the pumped storage power project in July 2019. The consortium also includes Andritz Hydro and Özkar Inşaat.
Strabag and Özkar Inşaat are responsible for the civil engineering works. Andritz Hydro will provide the electro- and hydro-mechanical equipment for the project, including the supply, installation and commissioning of two 125MW Francis-type pump turbines with double-fed generators and auxiliary systems.
Its scope of work also covers the supply of the main power transformers, gas-insulated substation (GIS) switchyard, and high-voltage cables to connect the power plant with the national grid.
In addition, the company will provide and install all gates and trash racks, as well as 320m of penstock steel lining and main inlet valves for the turbines.
Strabag and Özkar appointed Artelia, a consultancy, engineering and project management firm based in France, as the consultant engineer. The contractual scope includes execution studies, coordination of building information modelling (BIM), and providing technical assistance during the project execution.
Hitachi ABB Power Grids was selected to supply technology for grid connection and stabilisation in May 2021. It will deliver two alternating current (AC) excitation systems, based on power electronic converters, to enable the operation of the turbine units at variable speeds.
An integrated solution will also be supplied to connect the plant with DEWA’s 132kV network.
Dextra Group and Pretec Group were engaged to supply bolts for the project, while Zetas Zemin Teknolojisi was contracted for secant piles and grouting.


Date of Degree
MS (Master of Science)
Civil and Environmental Engineering
Weber, Larry J
Young, Nathan C
First Committee Member
Bradley, A Allen, Jr
Second Committee Member
Krajewski, Witold F
Modeling the movement of flood waters can be accomplished using many different methods with varying degrees of physical detail. Numerical models utilizing simple routing methods or simplified versions of the Navier-Stokes equations can be used to improve the public's flood preparedness. Three numerical models are used in this thesis to investigate flood preparedness: (1) an existing HEC-ResSim model of Coralville Reservoir, (2) an existing one-dimensional HEC-RAS model of the Iowa River through Coralville and Iowa City, and (3) a coupled one/two-dimensional hydraulic MIKE Flood model of the Cedar River through Cedar Falls/Waterloo. The HEC-ResSim model of Coralville Reservoir, provided by the United States Army Corps of Engineers, requires reservoir elevation-storage curves, inflow hydrographs and user-defined operation rules. This model utilizes level pool routing to determine changes in reservoir water levels and attenuation of hydrographs. The Muskingum routing method is used to route controlled releases downstream and determine satisfaction of constraints. The model is used to determine the impact of operational changes and sedimentation effects on historic flood events. Simulations indicate sedimentation has no effect on peak discharges of extreme events, but more aggressive operations plans may provide additional storage prior to extreme events. The existing HEC-RAS of the Iowa River through Iowa City is used to develop a library of inundation maps to be hosted on the National Weather Service Advanced Hydrologic Prediction Service's river forecast website. The modeling method assumes steady gradually varied flow. Post-processing and visualization of simulation results are completed using a digital elevation map of the study area developed using topography, bathymetry, and structural elevations. A coupled one/two-dimensional MIKE Flood model is developed for the Cedar River through Cedar Falls/Waterloo using topography, bathymetry, land use, and structural data. The river channel is modeled using MIKE 11, a one-dimensional unsteady hydraulic model, while the flood plain is modeled using MIKE 21, a two-dimensional hydraulic model utilizing depth-averaged Navier-Stokes equations. The model is used to develop a sequential levee closure plan for downtown Waterloo and will also be used to develop a library of inundation maps.
coupled, Flood, hydraulic, inundation, map, Preparedness
xiv, 142 pages
Includes bibliographical references (pages 128-131).
Copyright © 2010 Daniel William Gilles
Gilles, Daniel William. "Application of numerical models for improvement of flood preparedness." MS (Master of Science) thesis, University of Iowa, 2010.


Rio Guayllabamba - Ecuador
Hidroequinoccio HEQ S.A.
2009 - 2012
Description for Chespi (Ecuador)
Chespi is the first hydroelectric project of the Guayllabamba cascade with an installed power of 468 MW.
- Reservoir (V = 2,3 Mm³)
- Arch dam (H = 68 m, L_crest = 144 m, V = 45.000 m³)
- Headrace tunnel (L = 18,3 Km, D = 5,4 m)
- Tailrace tunnel (L = 6,3 Km, D = 6,4 m)
- Surge Shaft (H = 123 m, D = 15 m)
- Penstock (L = 1'000 m, D = 4-3,4 m)
- Underground power house (No. 4 Pelton turbines, IP = 117 MW each)
Carpat PSP (Romania)
Pumped storage plant with an installed power of 300 MW.
Refurbishment of the Uvini hydropower plant.
The scope of the assignment is the rehabilitation of the existing Hermitage...
Grand Ethiopian Renassaince Dam
This majestic project, born of the vision and...
Three-dam projects for irrigation purposes.
Lusaka project including domestic water supply pipeline for the city of...
Storage works for Famagusta urban water supply.
King Talal (Jordan)
The assignment comprises the assessment of conditions of the existing plant...
Arda Cascade (Bulgaria)
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ID- STM000471 Dt.- 26/06/2023
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27 Aug Work on R. Maduvvari South Harbour is well underway
Work on R. Maduvvari South Harbour is well underway, with overall 29% project progress. Dredging operations are currently ongoing with 95% completion. The rock boulders needed for the construction of breakwater has been transferred to the project site on 25 August 2020.
Scope of the works involve dredging operations of 72,800 cbm, quay wall construction of 566m; revetment construction of 135m, installation of 2,825 sqm of pavement; installation of navigation lights and ramp construction. The estimated value of the project is MVR 68.66 million. The project was mobilized on 29th November 2019.


David Boland, Inc. Awarded $19.7M Construction Contract With U.S. Army Corps of Engineers, Wilmington
Titusville, FL: David Boland, Inc. has been awarded a firm-fixed contract for the Landslide Mitigation Slope Stabilization, Philpott Dam Project in Henry County, Virginia
In May of 2020, heavy rainfalls triggered a significant landslide adjacent to and downstream of Philpott Dam causing damage to the powerhouse and other infrastructure. Boland will provide slope stability remediation to reduce the risk of personnel injury and damage to infrastructure resulting from landslide activity at the Philpott Dam site.
The project will consist of construction of a secant pile retaining wall to stabilize the upper access road during the stripping and grading of the overburden, controlled stripping, removal, and regrading of the overburden to reduce the potential of slope failure in that area; temporary pre-cast concrete T-walls, draped mesh installation, and catchment fence erection to protect existing structures; construction of a stormwater detention vault to limit the increased runoff in the project area; installation of new stormwater pipes and structures to handle the increased runoff; ditch maintenance and cleanout to control and direct stormwater runoff; replacement of an existing stormwater drop inlet, culvert, and headwall to facilitate drainage; and construction of a switchgear building to house the switchgear equipment.
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Blanco (Los Andes) is a 53MW hydro power project. It is located on Juncal, Blanco river/basin in Valparaiso, Chile. 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 1993. Buy the profile here.
The project is currently owned by Colbun with a stake of 100%.
Blanco (Los Andes) is a run-of-river project. The gross head of the project is 654m.
The project got commissioned in 1993.
Power purchase agreement
The power generated from the project is sold to Sistema Interconectado Central under a power purchase agreement.
GE Renewable Energy was selected as the turbine supplier for the hydro power project. The company provided 1 unit of pelton turbine with 58MW nameplate capacity.
Fuji Electric supplied 1 electric generator for the project. The generator capacity is 66 MVA.
For more details on Blanco (Los Andes), buy the profile here.


Proposed construction of a series of locks and dams in the Red River in Louisiana will cause a permanent increase in average river stage. The potentiometric surface of the shallow alluvial aquifer and the water table in the fine-grained material confining the aquifer will be affected. The purpose of this study, using digital-modeling techniques, was to predict the average postconstruction potentiometric surface (steady state) and the water table (nonsteady state) so that potential effects of the water-level changes could be evaluated. Plans for lock and dam 3 at realined mile 111 (kilometer 179) above the mouth of the Red River call for a pool elevation of 87 feet (27 meters) and will cause an average increase in river stage ranging from 21 to 3.5 feet (l.4 to 1.1 meters). As a result, ground-water levels will be raised to near land surface in low areas east of the river from the damsite to Aloha and in a 0.5-mile (0.8-kilometer) strip along the west side extending 9 miles (14 kilometers) above the dam. The potentiometric surface may be above land surface locally near the dam. The magnitude of ground-water-level fluctuations near the river will be reduced to less than half the preconstruction range.
Preconstruction and postconstruction ground-water levels, Lock and Dam 3, Red River Valley, Louisiana


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NORTH supporting projects
NORTH supporting projects in Hebei Province  cumulative approved investment of 18.5 billion yuan. NORTH supporting projects in Hebei province south of Beijing and Tianjin's water supply coverage including Handan, Xingtai, Shijiazhuang, Baoding, Langfang, Hengshui and Cangzhou 7 districts and 92 counties (cities, districts), 26 industrial parks. Supporting projects above water conveyance project to build provincial-based financing, the estimated total investment of 29.7 billion yuan. North Water Transfer Project in Hebei province supporting points four major water canal and more than seven city water pipeline project, the main construction contents include: new construction and renovation Ishizu, gallery Zhuo, Paul Tsang, Xing Qing four major water canal, lose water forms other Ishizu canal using part of the existing channels to all but for the pipeline, buried culvert, a total length of 759 km; new Handan, Xingtai, Shijiazhuang, Baoding, Langfang, Cangzhou, Hengshui seven municipalities and districts within each of the water from the main canal to the output target total length of 1310 km of water pipes, 65 pumping stations.


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Reservoir and Dam Removal. Orrin Babcock. Outline. Purpose of Dams Number of Dams in America Dam affect on the environment Selected publication Conclusion. Purpose of Dams. A barrier constructed across a waterway to control the flow or raise the level of water.
Elevated levels of sediment can last from days to months depending on the size of the reservoir


China Eximbank provides $404.6 million loan for 338MW Stung Russey Chrum Hydroelectric Power Plant Construction Project (linked to #66059)
Constant 2017 USD
Funding agency [Type]
Export-Import Bank of China [State-owned Policy Bank]
Energy (Code: 230)
On January 8, 2010, Huadian Power International Corporation and China Eximbank signed a cooperation agreement, which outlined the terms of financing for the 338MW Stung Russey Chrum Hydroelectric Power Plant Construction Project. Then, on July 1, 2010, China Eximbank and China Huadian Lower Stung Russei Chrum Hydroelectric Project (Cambodia) Company Limited [中国华电额勒赛下游水电项目(柬埔寨)有限公] — a special purpose vehicle and project company owned by Huadian Power International Corporation — signed a $404.6 million loan agreement for the 338MW Stung Russey Chrum Hydroelectric Power Plant Construction Project. The borrowing terms of the loan are unknown; however, it is known that Sinosure provided insurance, and Huadian Power International Corporation provided a precompletion guarantee (See: World Bank PPI). The total cost of the public-private partnership (PPP) project was $578 million, and it was financed according to a debt-to-equity ratio of 70:30. China Eximbank provided debt financing. Huadian Power International Corporation provided the equity financing (as captured in Project ID#66059). The project involved the construction of a 338MW hydroelectric power plant. More specifically, it involved an Upper Scheme (2×103MW) and a Lower Scheme (2×66MW) Station, with a total power generation capacity amounting to 338MW. The Upper Scheme Station is a diversion-type hydropower station consisting of the dam, water inlet at the left bank, water diversion tunnel, surge tank, pressure conduit, and powerhouse, etc. The maximum height of the dam designed is 124m. A new reservoir is formed with a water surface of 12,938,000m2 and the power density is 15.92W/m2. The designed available water head for the power generation is 134m. The expected annual electricity generation of the upper scheme station is 732,500MWh and the net annual power supply to the gird is 652,700MWh. The Lower Scheme Station is a diversion-type hydropower station consisting of the dam, water inlet at left bank, water diversion tunnel, surge tank, pressure conduit, and powerhouse etc. The diversion system is situated in the left bank of the river with a total length of 2,064m, and the powerhouse is located 5km down to the lower scheme dam. The maximum height of the dam designed is 58.5m. A new reservoir is formed with a water surface of 1,067,000m2 and the power density is 123.71W/m2. The designed available water head for the power generation is 86m.The expected annual electricity generation of the upper scheme station is 465,700MWh and the expected net annual power supply to the gird is 414,900MWh. The power generated by the project is routed to 230/115kV O-Saom Substation. To do so, the project sought to install a 25km 230kV transmission line to Phnom Penh power grid. The project also sought to equip in total 4 sets of 0.4kV/400kW back-up diesel generators to supply 2 dams and 2 powerhouses in case of emergency. 4 monitoring meters were to be installed at the upper scheme station and the down scheme station respectively to monitor the electricity supplied to the grid and delivered from the grid to the proposed project, which will be in compliance with relevant Cambodian regulations. The project also involved the installation of 2 sets of the turbine/generator units with an individual capacity of 103MW at Upper Scheme Station, and 2 sets of the turbine/generator units with an individual capacity of 66MW at Lower Scheme Station, adopting the conventional hydropower technology which will be manufactured by Zhejiang Fuchunjiang Hydropower Equipments Co., Ltd in China.The project site is approximately 57 km northeast of Koh Kong town to first Dam (22km by water along koh pao and 35km by road) and 196 km of southwest from Pursat province, located in Pak khlang commune situated in the Mondol Seima District in Koh Kong Province. The geographical coordinates of the project are as follows: Lower scheme powerhouse: 103°04′49″E, 11°45′11″N; Lower scheme dam: 103°04′58″E, 11°47′08″N; Upper scheme powerhouse: 103°06′09″E, 11°49′24″N; Upper scheme dam: 103°06′33″E, 11°51′04″N. The main construction contractors were China Gezhouba Group Co., Ltd., China Water Conservancy and Hydropower (Eighth Engineering Bureau) Co., Ltd., China Water Conservancy and Hydropower (16th Engineering Bureau) Co., Ltd., China Hydropower Construction Group (15th Engineering Bureau) Co., Ltd., and Guizhou Power Transmission and Transformation Engineering Company.A formal groundbreaking ceremony took place on April 1, 2010. However, project implementation did not commence until October 9, 2010. The construction of the upstream powerhouse and tunnel started on November 17, 2010. The construction of the downstream powerhouse and tunnel started on December 13, 2010. The construction of the upstream dam started on December 15, 2010. The construction of the downstream dam started on April 5, 2011. The power plant was put into production on December 28, 2013. Cambodian Prime Minister Hun Sen officially inaugurated the Chinese-built 338-megawatt Russei Chrum Krom River hydropower dam on January 12, 2015.This project was implemented under a 35-year build-operate-transfer (BOT) agreement with the Cambodian Government. Per the terms of the BOT agreement, the electricity generated by the power plant is sold at a rate of 7.35 cents/kWh to state-owned Electricite du Cambodge, with the government earning about $12.5 million per year from tax revenues.
This project is also known as the Lower Stung Russei Chrum Hydroelectric Project, the 338MW Lower Stung Russey Chrum Hydroelectric Projec, or the 338MW Orussei Hydropower Power Plant Project. The Chinese project title is 鲁塞芝罗河水电站 or 额勒赛项目 or 额勒赛下游水电站 or 关于额勒赛下游水电站项目. The the Khmer project title is ទំនប់វារីអគ្គិសនី ស្ទឹងឫស្សីជ្រុំក្រោម.Some sources put the face value of the China Eximbank loan at $412 million. AidData relies on the more conservative value of $404.6 million, which is equivalent to 70% of the total project cost. The Overseas Development Finance Dataset that Boston University’s Global Development Policy Center published in December 2020 identifies the Government of Cambodia as the borrower of the China Eximbank loan that supported this project. However, multiple official sources identify China Huadian Lower Stung Russei Chrum Hydroelectric Project (Cambodia) Company Limited, which is also known as China Huadian Lower Stung Russei Chrum Hydro-Electric Project (Cambodia) Co., Ltd., as the borrower.
Number of official sources
Number of unofficial sources
Receiving agencies [Type]
China Huadian Lower Stung Russei Chrum Hydroelectric Project (Cambodia) Company Limited [Joint Venture/Special Purpose Vehicle]
Implementing agencies [Type]
Zhejiang Fuchunjiang Hydropower Equipment Co.,Ltd. (ZHEFU Hydropower) [Private Sector]; China Gezhouba Group Company Ltd. (CGGC) [State-owned Company]; China Hydropower Construction Group [State-owned Company]; China Water Conservancy and Hydropower Construction Group [State-owned Company]; Electricite du Cambodge [Government Agency]; Government of Cambodia [Government Agency]; Guizhou Power Transmission and Transformation Engineering Company [State-owned Company]
Accountable agencies [Type]


Sutton Scotney Works Announced
The Environment Agency is proposing to carry out improvement works to the channel feeding into the River Dever in Sutton Scotney.
It will take approximately two weeks to complete the works that are to take place sometime between mid September and end of Autumn 2015. The stretch concerned is between the downstream end of the culvert under the A30 (which is next to the Texaco garage roundabout) and Sutton Springs Fish Farm.
The proposed improvement works will involve removing silt from the channel with an excavator and taking down two fallen trees which are lying across the channel.
This work is to improve the flow of water from Sutton Scotney into the River Dever which will help to reduce the risk of flooding to properties upstream.


Bioaccez wins the “La Sarenne” tunnel counting project in Isère, near d’Alpe-d ’Huez. As part of the construction of a new hydroelectric development in La Sarenne, Spie Batignolles GC has been awarded 2 lots. This project is taking place in a constrained mountain environment, on the Sarenne river in Isère (38). Spie Batignolles will dig a 3.5 km underground gallery, as well as the digging of a 350 m inclined shaft and the development of the existing gallery. The work will be carried out from January 2021 for a period of 36 months.


Work is set to begin on a major scheme to improve flood defences near Market Weighton.
Environment Agency contractors are due to start the £3m upgrade that will improve safety at Mill Beck, upstream of the town centre.
The beck flows into the town through an area known as Monkey Run, where a disused railway embankment contains the water at times of heavy rainfall.
The development will take water from the embankment via a new concrete spillway, returning the water to Mill Beck further downstream.
The spillway channel will be excavated across the width of the embankment, with a reinforced spill weir built at the upstream end of the channel.
During the work, which is scheduled to last for seven months, there will be temporary diversions to footpaths and bridleways. Sewers and underground pipelines will also be diverted.


Construction has begun on the 13.1km headrace tunnel which forms a key part of the Sunkoshi Marin Diversion Multipurpose Project (SMDMP) in Nepal.
A double-shield TBM was launched to excavate the tunnel, which will connect to a new surface powerhouse on the Marin River.
The available head between the intake and powerhouse will be used to generate approximately 30MW of energy. Water diverted from the Sunkoshi River to the Marin River through the tunnel will be used to irrigate approximately 122,000ha of farmland in the districts of Dhanusha, Mahottari, Sarlahi, Rauthat and Bara in the Terai Plains.
The multi-purpose project comprises a conventional concrete diversion weir structure (barrage and under sluice bay) across the Sunkoshi River. The diverted water will be passed through a desander to remove silt, before being conveyed via the new headrace tunnel.
SMDMP will combine hydropower and irrigation benefits and has been declared a National Pride project by the Nepalese government.
China Overseas Engineering Co was awarded the tunnelling contract in February last year.
Source: Tunnels and Tunnelling


Main Article Content
This study identifies relevant globally available data to develop basin and water level variation models which can be used for scenario modelling. The case study for the current research is Lake Turkana in Kenya, which is the outlet of 3 main river basins: Omo, Turkwel and Keiro. Due to the lack of data, the present paper only considers the Omo River Basin, which contributes around 90% of the inflow into the lake. Lumped and semi-lumped hydrological models were developed using the USACE’s HEC-HMS tool. The calibration and validation were carried out using the EU computed discharges of the Global Flood Awareness System as observed flow. The validated model was used to assess the impact on the lake due to the operation of three reservoirs in the basin; Gibe I, II and III. The variation of the water level of Lake Turkana was determined by using the model builder tool in ArcGIS. The lake water level model was validated using the Normalized Difference Water Index of Landsat 5 and Landsat 7 satellite imagery. Finally, using the semi-lumped hydrological model and the lake water level variation model, two scenarios were simulated to assess the lake‘s condition due to three consecutive driest and wettest years. The semi-lumped model showed satisfactory goodness of fit compared to the lumped model, therefore it is concluded that it can be used to assess the impact of upstream developments in the Omo basin, on the shoreline and water level variations of Lake Turkana with reasonable accuracy.


Cedar River, Minnesota
4th Street Dam is created by Cedar River Dam on the Cedar River in Mower County, Minnesota and is used for hydroelectric power purposes. Construction was completed in 1853. At normal levels it has a surface area of 20 acres. It is owned by George Hormel.
Cedar River, also known as 4th Street Dam is a gravity dam. Its length is 220 feet. Maximum discharge is 11675 cubic feet per second. Its capacity is 209 acre feet. Normal storage is 152 acre feet.
Lakes, Dams, and Recreational Facilities Near Cedar RiverRamsey East Side Lake Otranto Dam Albert Lea Lake Albert Lea Lake Geneva Lake Geneva Lake Staceyville Dam East Willow D-2 Fountain Lake
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Other AreasClick the map to see lakes in other parts of the country.


(September 10, 2002) China announces that construction will start soon on the Xiluodu dam upstream of the Three Gorges project.
China Three Gorges Project Corporation (CTGPC) will build a 12.6 million kilowatt hydropower station, the second largest in the country by capacity, on the Jinshajiang River, China Industry News reported on Wednesday.
The giant power station will be located in the Xiluodu Gorge on the border between Yongshan county in Yunnan province and Leibo county in Sichuan province, 1,780 kilometers away from Shanghai. It is the first stage of China’s Jinshajiang River waterpower development program.
CTGPC will build eighteen 700,000kw hydroelectric generating sets for the Xiluodu power station. Annual electricity output will reach 57.12 billion kilowatt-hours on average.
The company has already evacuated and resettled more than 7,000 people for the project. Construction will start soon.
China’s largest hydropower station is the ongoing Three Gorges Project on the Yangtze River. The project will have a total generating capacity of 18.2 million kilowatts.
China Energy Daily News, September 10, 2002
Categories: Three Gorges Probe


The construction of water supply and waste- water collection systems in the city of Delnice – phase 3 started in January 2020. Contract with the consortium Iskopi i transporti Belobrajdić d.o.o. Delnice and Vilmet d.o.o. Matulji was signed in December 2019. The planned deadline for completion of works is 18 months. Technical Supervision of construction works is carried out by the consortium Site Competence d.o.o. Zagreb and Eko Expert d.o.o. Zagreb. Overall value of the construction and technical supervision is HRK 39,426,540.15, out of which the Swiss contribution is HRK 20,889,044.97.
This project will enable Delnice and Lučice area to be fully connected to the sewer collector and to the Delnice sewage treatment plant. This will also improve the quality of Kupica water source, which is the main supply of drinking water for Gorski kotar (City of Delnice and municipalities Mrkopalj and Ravna Gora).
The project will include the construction of a public drainage system for the neighbouring settlements of Delnice (Vučnik, Ploškovo, Grabanj, Javornik) and Lučice settlement, which will allow the drainage and connections to the drainage system of the city of Delnice. The total length of sanitary pipelines for Delnice and Lučice is 10,309 m. With Delnice, the total length of sanitary pipelines is 3,687 m and the pressure pipelines are 921 m.
A rehabilitation of the public drainage system in Lujzijanska ulica and Ulica pjesnika (city of Delnice) will be carried out also. This will allow the drainage of the streets and connection to the drainage system of the city of Delnice area. The rehabilitation is carried out due to the poor existing drainage and the inability to maintain watertightness and the blockage of the system. The total length of the canal rehabilitation is 1,735 m.
In addition, the reconstruction of the water supply system of the Delnice agglomeration will be carried out – main and supply water pipelines in the area of Lučice and in the parts of the Delnice settlement (Vučnik, Ploškovo, Grabanj, Javornik and a part of the Luizijanska street). This will enable connection of aforementioned settlements to the existing water supply system of Delnice. The total length of the reconstruction of the water supply pipelines is 11,270 m.


Design and Construction:
The PVQ20 pump features a compact and robust design, making it suitable for a wide range of applications.
It is built with high-quality materials to ensure long-lasting performance and resistance to wear and tear. The pump incorporates advanced engineering techniques to minimize internal leakage and optimize efficiency.
Flow and Pressure:
The PVQ20 hydraulic pump offers excellent flow and pressure capabilities. It is capable of delivering a maximum flow rate of XX gallons per minute (GPM) and a maximum pressure of XX pounds per square inch (PSI). This makes it suitable for demanding hydraulic systems that require high power output.
The PVQ20 pump supports various control options to adapt to different operating conditions. It can be operated manually or integrated with electronic control systems for enhanced precision and automation. The pump is designed to provide smooth and precise control over flow and pressure, ensuring optimal performance and system stability.
Efficiency and Performance:
Efficiency is a crucial aspect of any hydraulic pump, and the PVQ20 excels in this regard. It is engineered to minimize energy losses and maximize power output, resulting in improved overall system efficiency. The pump's advanced design reduces internal friction and enhances sealing, leading to higher performance and reduced heat generation.
Noise and Vibration:
The PVQ20 pump is designed with noise and vibration reduction in mind. It employs advanced technologies to minimize operational noise levels, ensuring a quieter working environment. Additionally, the pump's balanced construction reduces vibration, which helps enhance system stability and longevity.
Serviceability and Maintenance:
Maintenance is an essential aspect of hydraulic systems, and the PVQ20 pump is designed with ease of serviceability in mind.
It incorporates features such as accessible ports, replaceable wear components, and straightforward disassembly for convenient maintenance and repairs. This ensures minimal downtime and reduces overall maintenance costs.
The PVQ20 hydraulic pump is a versatile component suitable for various applications. It can be utilized in industrial machinery, construction equipment, agricultural machinery, and more. Its adaptability and wide operating range make it a reliable choice for diverse hydraulic systems.
The PVQ20 pump is compatible with a range of hydraulic fluids, including mineral oils and certain synthetic fluids. It offers excellent compatibility with common seal materials, ensuring reliable operation and long seal life.


Event: Flood Warning
Sender Name: NWS Sioux Falls SD
Description: …The Flood Warning continues for the following rivers in South
Firesteel Creek Near Mount Vernon
James River At Huron
James River Near Forestburg
James River At Mitchell
James River Near Scotland
James River Above Yankton
Vermillion River Near Davis
Vermillion River Near Wakonda
Sixmile Creek near Brookings
Big Sioux River Near Brookings
Big Sioux River near Egan
Big Sioux River below Dell Rapids
Big Sioux River At Sioux Falls I-90
Big Sioux River at Brandon
Big Sioux River above Hawarden
Big Sioux River At Akron
Little Sioux River near Milford
Little Sioux River Above Spencer / Highway 18
Little Sioux River at Spencer
West Fork Des Moines River Near Windom
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest
The Flood Warning continues for
The Sixmile Creek near Brookings.
* until further notice.
* At 11AM Monday the stage was 1634.51 feet.
* Flood stage is 1634.00 feet.
* At stages near 1635 feet…Township roads northeast of Brookings
begin to flood.
Instruction: Safety message…Do not drive cars through flooded areas. the water
depth and road condition may be unsafe.
Additional information is available at
Stay tuned for further updates by listening to NOAA weather radio…
or your local radio and TV stations.
The next scheduled statement will be issued tomorrow morning.
Area Description: Brookings, SD


H950 Hilton Swing Check valve Specifications
MAKE AN Enquiry
Features & Benefits
The H-950 Swing Check Valve is designed for horizontal or vertical flow (not suitable for down-flow applications). When fully open the valve disc is out of the flow area allowing for 100% uninterrupted flow. Seating can be metal or resilient. The valve comes equipped with a bolted cover which can be removed while the valve is in the line. The connection between the disc and disc arm allows disc to move for precise alignment with the seating surface. The valve is available with external counterweight and bottom mounted buffer.


VMod hydrological model
The VMod model is a distributed hydrological model, that is used to model a single river basin. The model takes meteorological data as input, an as a results computes river discharges for the whole catchment. The model is based on rectangular grid, where each grid cell has its own surface and soil water balance computation. The model contains an integrated a 1D-river network model that also includes lake and reservoir computation. Recent applications include computation of Mekong river basin discharges for future climates and reservoir development scenarios, as well as several applications for smaller watersheds in South-East Asia.


Twin Rivers Pumping Station
The Twin Rivers Sewage Pumping Station at 13054 Harewood Road in Middle River will be extensively renovated this year. The project began in December and should be finished by January 14, 2015. The cost is expected to be $2,647,000. The project is now 60 percent complete.
For more information contact the Bureau of Engineering and Construction at firstname.lastname@example.org.
Revised September 26, 2014


EPC1000-H Double-acting Hydraulic Crimping Head
The double-acting hydraulic crimping head EPC 1000-H is designed for connecting to a separate hydraulic pump. It is designed for crimping large cross-sections (cable lugs and connectors) of up to 1,600 mm2 acc. to DIN. The particularly sturdy and low-maintenance design make it a powerful tool for power supply companies, power stations and their service providers, in the wind energy industry as well as in industrial applications. It can be combined with double-acting battery-operated hydraulic pump ANP450-D by HOLGER CLASEN.
Crimping force: 980 kN; weight: 32 kg; height: 359 mm; working pressure: 700 bar; crimping range: hex. Cu acc. to DIN 300 - 1,600 mm2


Mechanical and electrical focus
Aging components, the availability of new technology and an increase in flows due to development meant an upgrade was needed.
The station discharges through a 400mm diameter forcemain into a manhole approximately 6200m south of the station.
The mechanical upgrade included the supply and installation of:
- An electromagnetic flowmeter in the existing forcemain, including piping, precast manhole, and drainage piping
- A third 130 HP submersible pump together with a discharge unit and connection to the existing discharge header
- A sluice gate valve on the existing partition wall inside the wet well
The project also included the construction of four cover plates on the existing openings, with open/close mechanism to allow for isolation of each of the two wet well sections.
The electrical upgrades included the supply and installation of a new solid state starter unit within the existing empty motor control centre (MCC) section.


In 2019, we developed a project for the construction of a new cycling route connecting Poljana and Mežica on behalf of the Slovenian Infrastructure Agency. The route follows the alignment alongside the state road and the Meža river channel. The project encompassed the design of challenging geotechnical structures and the regulation of the river channel.
We conducted a hydrological-hydraulic study of the Idrija River for the Municipality of Kobarid. The study aimed to provide a comprehensive understanding of the hydrological and hydraulic regime of the Idrija River, as well as to assess potential floods and other hydrological risks in the area.
Building Information Modeling
Building Information Modeling (BIM) is the foundation of digital transformation in the architecture, engineering, and construction (AEC) industry.


Waste water and sewage pumps with clog-resistant swirl impeller.
Tough swirl-impeller pumps made of cast iron for pumping problematic fluids. The FWX pumps offer especially attractive features such as the large ball passage, low clogging risk, constant delivery rate and low maintenance.
- Sturdy design
- Low clogging risk
- For pumping long-fibre solids
- Winding cut-out switch
- Double floating ring seal with oil barrier chamber
- Seal sensor (OSK)


Bayou Gauche, LA
Alerts in Effect
Flood WarningIssued at 19:43 Friday 27 March 2020
...The flood warning continues for the following rivers in
Mississippi River At Red River Landing affecting East Baton
Rouge...Pointe Coupee and West Feliciana Parishes
Mississippi River At Baton Rouge affecting East Baton Rouge and
West Baton Rouge Parishes
Mississippi River At Donaldsonville affecting Ascension Parish
Mississippi River At Reserve affecting St. Charles...St. James and
St. John The Baptist Parishes
The Flood Warning continues for
The Mississippi River At Reserve.
* Until further notice.
* At 6:00 PM Friday the stage was 21.6 feet.
* Minor flooding is forecast.
* Flood stage is 22.0 feet.
* Forecast...Rise above flood stage by Tuesday March 31 and continue
to rise to near 23.5 feet by Sunday April 12.
* Impact...At 22.0 feet...Marine and industrial interests along the
river, upstream barge operators, and facilities are impacted.
Navigation will become difficult for smaller river craft. Safety
precautions for river traffic are urged.


Hydraulic compact power units
Hydraulic compact-power units are mainly used for lifting devices and hydraulic clamping units. The products will be adapted to the specific customer wants. Moreover the low design volume and the flexibility of these power units allow also a mobile application.
|Flowrate:||0.35 - 14 l/min|
|Working pressure:||20 - 210 bar|
|Motors:||0.18 - 4kW|
|Tank capacity:||1 - 25 l|


The river rises in the Darling Scarp below Bowerling Hill and flows westward crossing Albany Highway North of North Bannister. The river continues North West through the Youarling State Forest then the Serpentine National Park. The river flows through Serpentine Dam then flows over Serpentine Falls just south of Jarrahdale as it comes off the Scarp and onto the Swan Coastal Plain. The river continues West and crosses the South Western Highway then flows past the town of Serpentine. The river then veers South and continues until it discharges into the Peel Inlet near Mandurah.
The only tributary to Serpentine River is Big Brook. The river also flows through Kerulup Pool, Lake Amarillo and Goegrup Lake.
Serpentine Dam Edit
Serpentine Dam is one of the major water supply dams for Perth. The dam is used to store water which is released at a controlled rate to regulate the level in Serpentine Pipehead Dam, which in turn feeds water to the metropolitan trunk main network depending on demand. Construction of the dam was completed in 1961.
Ngiyan waarnk - References Edit
- "Serpentine River algae may damage health, Govt warns". ABC News. 1 February 2007. Retrieved 13 August 2020


Gurara Water Transfer to Federal Capital Territory Lot A
Start of works:
The project involves civil and ancillary works for the construction of the Gurara Dam, 52.5 m high and 3 km long at the crest with a reservoir of approximately 880 million m³ of water. Mixed construction in loose materials and rockfill with a clay core and filters. Spillway excavated in granite rock and partly coated in concrete.
The works include 1.16 km supply tunnel, intake tower, drainage tunnel and include mechanical and metalwork. The electric power station will have an installed capacity of 3 x 10 MW.
The following works will be an integral part of the project:
- 110 km of 132 kV high-tension electrical lines;
- Access roads for a total of approximately 50 km;
- Pilot irrigation system: Approximately 200 hectares of irrigated areas.
|MAIN TECHNICAL DATA:|
|Abuja water supply: 14m3/s with 75 km of piping|
|Concrete: 126,000 m3|
|Water flow regulated by the dam: 36 m3/s (power station and pumping stations for irrigation);|
|Rock excavations: 2,400,000 m3|
|Measured dam volume: 9,000,000 m3|


PROJECT STATUS REPORT as of 6-Dec-2019
|PROJECT: West Bay Sediment Diversion|
|PRIORITY LIST: 1||PROJECT NO: 0102||CWPPRA NO: MR-3||DNR NO: MR-03|
|PROJECT TYPE: Sediment Diversion||NET ACRES BENEFITTED: 9831|
|REGION: 2||BASIN: Miss. River Delta||PARISH: Plaquemines|
|LEAD AGENCY: COE|
|LOCAL SPONSOR: DEPT. OF NATURAL RESOURCES, STATE OF LA.|
Point of Contact:
DEPT. OF THE ARMY
CORPS OF ENGINEERS
7400 Leake Avenue
New Orleans, LA 70160
PROJECT STATUS REPORT as of 6-Dec-2019
West Bay Sediment Diversion
The project consists of a conveyance channel for large-scaled uncontrolled diversion of freshwater and sediments from the Mississippi River. The diversion channel would be constructed in two phases: (1) Initial construction of an interim channel to accommodate a discharge of 20,000 cubic feet per second (cfs) at the 50% duration stages in the River and marsh development areas, and (2) Modification of the interim diversion channel design to accommodate full-scale diversion of 50,000 cfs at the 50% duration stage on the River after a period of intensive monitoring of diversion operations. Diversion of the Mississippi River flow would induce shoaling in the Pilottown Anchorage Area and project funds will be used to dredge the area. Dredged material will be used beneficially to create wetlands in West Bay.
PROJECT STATUS: (Project Status Last Updated: 20-Aug-2008 )
Flow measurements taken in May 2008 recorded a discharge of 51,270 cubic feet per second of Mississippi River water through the project diversion channel. Since constructed in 2003 the diversion project discharge has averaged 19,188 cfs. Initial construction of the project was designed to allow the discharge of 20,000 cfs at the 50% exceedence stage. Discharge measurements are taken roughly monthly using an accoustic doppler profiler as part of project surveillance and performance monitoring. At this point there is no evidence in the project area of marsh accretion from the deposition of diverted river sediment.
In 2006 the USACE performed maintenance dredging in the Pilottown Anchorage Area to remove induced shoal material in accordance with the project operations plan. Material from the dredging work was used benefcially for marsh creation in West Bay. The dredging event was performed using a hopper dredge linked to a pump out system - a first of its kind use of this technology in Louisiana wetlands restoration. To date approximately 225 acres of marsh have been created through the beneficial use of dredged material from the channel construction and maintaining the anchorage area.
Project construction began in September 2003 and construction was completed in November 2003. An advertisement for construction of the project opened 08 July 2003 and bids were opened on 11 August 2003. Chevron-Texaco relocated a major oil pipeline in May 2003 under a reimbursable construction agreement. A real estate plan for the project was completed in October 2002 and execution of the plan will be completed in July 2003. The project Cost Sharing Agreement was signed August 29, 2002. A 95% design review was held May 17, 2002. A Record of Decision finalizing the EIS was signed on March 18, 2002. The Task Force, by fax vote, approved a revised project description and reauthorized the project to comply with CWPPRA Section 3952 in April 2002. At the January 10, 2001 Task Force meeting, approval was granted to proceed with the project at the current price of $22 million due to the increased costs of maintaining the anchorage area. A VE study on the project was undertaken in August 2000.
The current project estimate is $50,863,503 , which includes $5,972,907 for construction first costs, and $1,196,946 and $43,693,650 for 20 years of monitoring and operations and maintenance, respectively.
|LaCoast.gov||Project Managers' Technical Factsheet|


The Afghan government signed another contract for the construction of a dam in western Farah province of AFghanistan.
The contract for the construction of Dam, Bakhshabad Dam, was signed in ARG Presidential Palace today in the presence of President Mohammad Ashraf Ghani.
The Minister of Energy and Water Ali Ahmad Osmani said the reservoir of the Dam will have a capacity of 1,360 million cubic meter and the construction work will be completed in 18 months.
He said the Dam will irrigate more than 100 hectares of agricultural land with the provincial governor Mohammad Asif Nang saying the irrigation will cover five districts and the center of Farah province.
This comes as Afghanistan earlier signed a contract for the extension of Kajaki Dam located in southern Helmand province of Afghanistan.
The signing of the contract for Bakhshabad Dam in Farah provinces comes as said earlier in March that work on key infrastructure projects including construction of water dams will start in accordance with the available resources.
During a meeting of the National Procurement Commission (NPC), President Ghani reviewed a report by the Ministry of Energy and Water regarding the construction of 29 large, medium and small water dams.


The Infrastructure Minister Nichola Mallon was on site recently to meet the team at Shimna River Flood Alleviation Scheme, Newcastle, Co Down. This vital construction project will see construction of 1430 metres of flood walls and embankments that will extend both upstream into Tipperary Wood and downstream into Island Park from the New Bridge on the Bryansford Road.
Following completion of preliminary site investigation and enabling works construction of the flood defences has commenced in Islands Park. Scheme construction is expected to take 12 months to complete. Pictured with Infrastructure Minister Nichola Mallon are (left) Karol McCusker, Project Director Aecom and Gerard McColgan, Contracts Director DAWSON-WAM.


||Rocky View County
||Bearspaw, within Rocky View County
The drainage assessment provides guidance for solving existing drainage concerns along Burma road.
Rocky View County
Phone: (403) 520-7292
- Defining existing drainage concerns and constraints,
- Complete stormwater modelling of the study area and the ultimate build-out area to identify storage requirements and drainage routes


Sensing and monitoring deformation pattern of dams is often one of the most effective ways to understand their safety status. The main objective of the present study is to find the extent to which rising reservoir level affects the mechanism of deformation of the Yamula dam under certain changes in the reservoir level conditions during the first filling period. A new dynamic deformation analysis technique was developed to analyze four geodetic monitoring records consisting of vertical and horizontal displacements of nine object points established on the dam and six reference points surrounding it, to see whether the rising reservoir level is responsible for the vertical and horizontal deformations during the first filling period. The largest displacements were determined in the middle points of the dam construction. There is an apparent linear relationship between the dam subsidence and the reservoir level. The dynamic deformation model was developed to model this situation. The model infers a causative relationship between the reservoir level and the dam deformations. The analysis of the results determines the degree of the correlation between the change in the reservoir level and the observed structural deformation of the dam.


A one-dimensional model capable of simulating flood wave propagation in a river or network of channels is presented. The computer model is programmed to provide maximum flexibility in the adaptation of channel geometry, the specification of conveyance properties, and the treatment of boundary conditions. An equation transformation procedure is employed in the model to minimize computer storage and execution time requirements by reducing the order of the resultant coefficient matrices. Based on a four-point implicit finite-difference approximation of the governing, nonlinear, flow equations, the model can be used to simulate the wide range of flow conditions typically encountered in various natural waterbody systems. Two particular applications are presented to demonstrate the computational features and capabilities of the model in the simulation of flood wave propagation.
Additional publication details
MODEL FOR SIMULATING FLOODS IN RIVERS.
Soc for Computer Simulation
La Jolla, CA, USA
Larger Work Title:
Emergency Planning, Proceedings of the Conference.


Langstrommen is a 55MW hydro power project. It is located on Ljusnan river/basin in Jamtland, Sweden. 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 1949 and subsequently entered into commercial operation in 1961. Buy the profile here.
Fortum and Holmen Energi are currently owning the project having ownership stake of 89% and 11% respectively.
The project generated 255 GWh of electricity.
The project construction commenced in 1949 and subsequently entered into commercial operation in 1961.
GE Energy was selected as the turbine supplier for the hydro power project. The company provided 2 units of kaplan turbines.
Power Machines supplied 1 electric generator for the project. The generator capacity is 32 MVA.
For more details on Langstrommen, buy the profile here.


Zhuzhou Navigation & Power Complex
Third Prize of National Excellent Engineering Consultation
First Prize of Provincial Excellent Engineering Design
Second Prize of Provincial Excellent Engineering Survey
Third Prize of Provincial Science and Technology Advancement
It has a bulb tubular unit power station with the largest turbine runner diameter in China then.
It is the demonstration project assigned by Ministry of Transportation.
Zhuzhou Navigation & Power Complex is located in the middle and lower reach of the Xiangjiang River main stream within the Zhuzhou Municipality of Hunan Province. It is a Grade II large scale (Grade Ⅱ) water-traffic project mainly for navigation, accompanied with comprehensive benefits as power generation, transportation, water supply, aquatic breeding, etc. The project significantly improves the 400km kiloton waterway in the Xiangjiang River from Hengyang to Yueyang. Construction of the Project started in 2002 and accomplished in 2006. Its reservoir has the total capacity of 1.245 billion m3. The navigation lock ranks as Grade III and has the navigation standard of four kiloton ship in one uplifting. The concrete gate dam has the height of 31.2m. The project includes a low water head runoff power station and a power house in river channel. The total installed capacity is 140MW (5×28MW). The power station adopts bulb type tubular units and diameter of the runner is 7.5m, maximum head of 11.3m, rated head of 6.7m and minimum head of 3m.
The distinctive layout and the effective treatment to the complicated foundation of this Project once again demonstrate the technical levels of HHPDI.


Barrier Wall Construction at Wolf Creek Dam
January 29, 2010Authors: Ricardo Petrocelli, President TREVIICOS South Inc., Jean-Philippe Renard, President Soletanche Construction Inc.
The new concrete cutoff wall at the Wolf Creek Dam is a milestone in barrier wall construction. The dam, on the Cumberland River in Kentucky, is operated and maintained by the Nashville District of the U.S. Army Corps of Engineers (USACE), to provide area flood control, hydropower, recreation and water supply. Lake Cumberland is the Corps’ largest reservoir east of the Mississippi River.
With a total surface approaching 1,000,000 sq ft, the Wolf Creek barrier wall is unlike any other project in the world. The 5,735-ft-long dam combines earthfill and concrete gravity sections. Construction began in 1941 and was completed in 1950.
The solution channel intercepted during construction under the upstream face of the embankment and parallel to the dam axis, was used as a cutoff trench, and improved with a single line grout curtain. The sidewalls of the trench are irregularly shaped, with overhangs. The Catheys Formation and overlying Leipers Formation beneath the dam are both hard, thin to massive layered, argillaceous limestone interbedded with thin, well cemented, calcareous shale with large Karstic solution features...


Fixed-Bed River Models.
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MISS
Pagination or Media Count:
The paper explains the fundamental theoretical criteria upon which fixed-bed river models are designed and describes in detail the principles that have to be considered and applied in the design, construction and operation of fixed-bed river models. Specific fixed-bed river models, constructed at the U.S. Army Engineer Waterways Experiment Station, are described and discussed to show how the fundamental principles of the design, construction, and operation of river models have been applied.
- Civil Engineering


- Flood Warning issued July 31 at 9:38AM CDT until August 01 at 1:00PM CDT by NWS
- Effective: 9:38 a.m. on Friday, July 31, 2015
- Expires: 1 p.m. on Saturday, Aug. 1, 2015
...The Flood Warning is cancelled for the following rivers in
102 River at Rosendale affecting Andrew and Buchanan Counties.
...The Flood Warning continues for the following rivers in
Grand River near Gallatin affecting Daviess and Livingston Counties.
Grand River near Chillicothe affecting Linn and Livingston Counties.
Grand River near Sumner affecting Livingston...Carroll...Chariton
and Linn Counties.
Grand River near Brunswick affecting Carroll and Chariton Counties.
Platte River At Sharps Station affecting Platte County.
Platte River near Platte City affecting Platte County.
Platte River near Agency affecting Buchanan County.
The Flood Warning continues for
The Grand River near Gallatin.
* until Saturday afternoon.
* At 8:45 AM Friday the stage was 26.7 feet.
* Flood stage is 26.0 feet.
* Forecast...The river will continue to fall to below flood stage by
* At 26.0 feet...Low-lying woodlands and farmland along the river
Location FS Stage Day/Time Forecast
Gallatin 26 26.7 Fri 09 AM 26.0 this afternoon
- See more at NOAA


EBARA Fluid Handling’s stainless steel non-submersible pumps meet a wide range of industrial, municipal, flood control, and residential water and wastewater applications. The cast iron line of Ebara pumps includes submersible sewage, submersible sump, semi-vortex, vortex, grinder, non-clog, and dry pit models.
NON-SUBMERSIBLE PUMP (CAST IRON)
– Moving clean water for civil, agricultural, industrial use, pressure boosting units, heating and air conditioning plants
– Farming irrigation
– Sport centres
– Washing plants
NON-SUBMERSIBLE PUMP (STAINLESS STEEL)
3D Series (download)


Hoover Dam is located on the border between Arizona and Nevada. The project provides water and hydroelectric energy to the area, and is powered by the Colorado River. Property investor Kenny Slaught acknowledges the importance of the project on his blog at KennySlaught.com. The damn’s large water capacity helped many abandoned areas flourish.
Hoover Dam is an Impeccable Project Designed to Provide Water and Hydroelectric Energy – Kenny Slaught
by Kenny Slaught ⋅


TAIKO TMC-125C-15 MARINE PUMP
Manufacturer: Taiko Kikai Industries Co.Ltd
Model No: TMC-125C-15
Quantity: 01 Pc
Condition: Working Condition (used)
Price: On request
ID- STM000533 Dt.-31/07/2023
Marine pump is a mechanical device that converts mechanical power into hydraulic energy. It generates flow with enough power to overcome pressure. induced by the load.


ANDRITZ to Supply Austria’s Most Modern Pumped Storage Power Plant
Planned Kühtai reservoir and dam. (Image source: TIWAG)
The scope of supply for ANDRITZ includes two variable-speed motor-generators, each with a rated output of 95 MVA, including auxiliary equipment. The variable-speed generators will be connected to the grid via full-size converters and enable efficient and optimized operation within the defined head variations. Speed control is used both for controlling output in pumping mode and for extending the operating range in turbine mode.
The Kühtai 2 pumped storage power plant is an extension of the existing Sellrain-Silz power plant group in the Längen Valley of the Tyrolean Stubai Alps and will be built completely underground in a cavern. Kühtai 2 and the new Kühtai reservoir will increase the generating capacity of the entire power plant group by 50%.
The power plant group serves as a sustainable energy storage facility to cover peak loads and thus contributes significantly towards stabilizing the power grids and increasing security of energy supply. Commissioning is scheduled for 2026.
Source: ANDRITZ AG


Mississippi River Levels Falling Fast
ST. LOUIS, MO (KTVI) – Water levels on the Mississippi river are falling faster than previously anticipated. The US Army Corps of engineers is warning that water levels in Thebes, Illinois could be too low for most vessels to operate by Thursday or Friday.
The river is at near record-low levels from the worst drought since 1956. If the river traffic shuts down it could put almost 3,000 Missouri jobs at risk.


MP 720E Double-Piston Hydraulic Mortar Pump
MP720E is a double-piston hydraulic mortar pump with high integrity. This equipment is of compact structure and can be used for delivering various kinds of mortar, slurry and fine aggregate concrete of 0-16mm diameters.
The max. displacement is 20m³/h, the max. pumping pressure 68bar. It can be used for multiple working circumstances, such as paving the ground, pouring walls and shoring side slopes.
The equipment carries out the combined operation of delivering and spraying, which will greatly enhance the efficiency and reduce the labor cost.


Stainless elbow forming machine
The series of hydraulic press is mainly designed and constructed for cold forming process of stainless steel elbows. Optimized by computer aided design, the structure is three-beam four-column type which is durable and economic. The pushing cylinder is fixed on the right side of the lower beam, and the oil reservoir is top-mounted as well as the hydraulic control system. The whole appearance is compact and space saving. The unique front mechanism for core rod turning and discharging is easy to adjust and operate. The cartridge valve integrated unit is equipped for hydraulic control system, with high reliability, durability, and small hydraulic shock. Compact manifold blocks simplify pipeline connection and ensure leak free hydraulic system. Electrical system adopts centralized button control based on PLC, featuring reliable actions, easy operation and convenient maintenance. Three operation modes are provided: adjustment, two-hand single circle and continuous operations. According to requirements, stroke and pressure can be adjusted within specified scope. It can realize the fixed pressure forming process and fixed stroke forming process.
■ Displacement sensor, Pressure sensor
■ Industry touching screen monitor
■ Slide upper locking device


Single-acting with spring return,
capacity 12 - 93 t
Due to the centre hole design a threaded rod can be placed through the hollow cylinders so that extremely high pulling forces can be achieved.
Hollow cylinders are used as the power component within hydraulic puller sets, for prestressing anker bolts, removing axles, shafts, bushings, extracting tubes, as well as for heavy-duty pulling applications.
• Yale ChroMo-Design.
• Operating pressure max. 700 bar.
• Single-acting with spring return.
• With large centre hole diameter.
• Cylinder body and piston are made from solid chromium-molybdenum steel and heat-treated.
• Hard-chromium plated piston with replaceable, heat-treated saddle.
• Metric mounting threads at cylinder body and inside of piston.
• Stop ring prevents overtravel of the piston up to full operating pressure.
• Interchangeable hardened saddle.
• With inner and outer dirt wipers.
• Oil port thread 3/8 NPT.
• Incl. female coupler half model CFY-1.
• From model YCS-21/150 with carrying handle.
• From model YCS-57/70 with two lifting rings.


Stormwater storage tank (SST) is a popular low impact development technology for reducing stormwater runoff in the construction of sponge city. At present, it is difficult to perform the automatic control of SST for reducing peak flow. In this paper, fuzzy control was introduced into the peak control of SST to improve the efficiency of reducing stormwater runoff. Firstly, the design of SST was investigated. A catchment area and a return period were assumed, a SST model was manufactured, and then the storage capacity of the SST was verified. Secondly, the control parameters of the SST based on reducing stormwater runoff were analyzed, and a schematic diagram of real-time control (RTC) system based on peak control SST was established. Finally, fuzzy control system of a double input (flow and water level) and double output (inlet and outlet valve) was designed. The results showed that 1) under the different return periods (one year, three years, five years), the SST had the effect of delayed peak control and storage by increasing the detention time, 2) rainfall, pipeline flow, the influent time and the water level in the SST could be used as RTC parameters, and 3) the response curves of flow velocity and water level fluctuated very little and reached equilibrium in a short time. The combination of online monitoring and fuzzy control was feasible to control the SST automatically. This paper provides a theoretical reference for reducing stormwater runoff and improving the operation efficiency of SST.


Bureau of Meteorology, Tasmania
Initial Minor Flood Warning for the River Derwent
Issued at 11:47am on Friday 18 August 2017
Flood Warning Number: 1
Minor flooding has developed in the lower reaches of the River Derwent below Meadowbank Dam during Friday morning. River levels are expected to remain high during Friday due to dam inflows from the upper reaches of the catchment. Flooding is not expected to extend downstream to New Norfolk.
In the 48 hours to 9AM Friday, widespread rainfall totals of 20 to 50mm were reported about the Derwent catchment. Rain is expected to ease during Friday.
No flooding is expected in the Ouse and Clyde river tributaries.
Strong and dangerous flows may remain a hazard throughout the Derwent Catchment over the next few days.
River Derwent below Meadowbank Dam:
Minor flooding is expected along the River Derwent below Meadowbank Dam.
The River Derwent below Meadowbank Dam is currently at 3.50 metres and steady. The River Derwent below Meadowbank Dam is likely to remain around the minor flood level (4.10 m) during Friday.
The River Derwent at Macquarie Plains is currently at 1.80 metres and rising. The River Derwent at Macquarie Plains is expected to remain below the minor flood level (4.00 m) during Friday.
River Derwent around New Norfolk:
Minor flooding is not expected along the River Derwent around New Norfolk.
The River Derwent at New Norfolk is currently at 0.65 metres and steady. An abnormally high tide may increase the river level in Friday afternoon. The River Derwent at New Norfolk is expected to remain below the minor flood level (2.00 m) during Friday.
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 4pm on Friday 18 August 2017.
Latest River Heights:
|Location||Height of River (m)||Tendency||Date/Time of Observation|
|River Derwent below Lake St Clair||1.80||Steady||09:00 AM FRI 18/08/17|
|River Ouse at Ashton||1.23||Rising||10:00 AM FRI 18/08/17|
|River Ouse at 3B Weir||1.02||Rising||11:00 AM FRI 18/08/17|
|River Clyde at Bothwell||0.24||Falling||10:00 AM FRI 18/08/17|
|River Derwent below Meadowbank Dam||3.29||Steady||11:00 AM FRI 18/08/17|
|River Derwent at Macquarie Plains||1.83||Rising||11:30 AM FRI 18/08/17|
|Tyenna River at Newbury||1.09||Falling||10:15 AM FRI 18/08/17|
|Styx River at Bruces Bridge||1.40||Falling||11:09 AM FRI 18/08/17|
|River Derwent at New Norfolk||0.73||Steady||11:40 AM FRI 18/08/17|
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.


At IFPE this week, Nachi America had planned to highlight five new products for the construction and industrial markets. More details will be available on these products in the near future.
PHV Wheel Motor Series – Proven and trusted wheel motors for compact rubber track machines are now available with new free wheel option
NNP Series Hydraulic Power Unit – Low noise 3,000 psi hydraulic power unit with configurable manifold assembly
NASGP External Gear Pump – Durable 3,000 psi external gear pump with SAE ports
PZH Piston Pump – Low noise 5,000 psi variable volume piston pump with load sense and constant horsepower limiter
PVS Piston Pump – Low noise 3,000 psi variable volume piston pump with thru-shaft
Filed Under: Mobile Hydraulic Tips


Power Stations in Asia
Travelers are voting Tehri Dam, Rangit Dam and Three Gorges Dam as the best of 137 power stations in Asia. Also popular are Sayano Shushenskaya Dam and Krasnoyarsk Dam in Russia and Jinping 1 Hydropower Station in China. Want more? Check out our map of power stations in Asia or these 116 power stations in India.


Stage 2 of the Sydney Football Stadium redevelopment, comprising the detailed design, construction and operation of the stadium
Construction and operation of a new multi lane road link between the New M5 at Arncliffe and President Avenue at Kogarah.
Relocation of the existing Qantas flight training centre to a new location approximately 150 metres east of the existing site.
Proposed extension to the Dendrobium Coal Mine
New underground power station and supporting infrastructure Snowy 2.0 will increase the pumped hydroelectric capacity within the existing Snowy Scheme by linking the Tantangara and Talbingo reservo
Replacement of the turbines in each of the four existing generating units at Bayswater Power Station.


Design, Supply and Install the followings :
* 130 km of steel water transmission pipelines of dia. From 650 mm : 900 mm with all associated reinforced concrete structures such as valve chambers, culverts, ducts & NDRC.
* 270 km of D.I water transmission pipelines of dia. From 150 mm : 700 mm with all associated reinforced concrete structures such as valve chambers, thrust blocks, culverts, ducts & NDRC.
* 18 Nos. of 800 to 5000 m3 capacity ground reservoirs complete with piping works and associated buildings.
* 8 Nos. water towers of 80 to 900 m3 capacity each and 30 m height complete with piping works.
* 10 Nos. pumping stations with different flow and head (Flow rate 2500 : 4000 m3/hr) and upgrading of 3 Nos existing pumping stations complete with wiring, switch gear , control system and associated buildings.
* 50 km Over-Head Cables.
* 310 km Fibre Optic Cable.
* Electro-mechanical and Control System.


The Flood Warning continues for
the Illinois River near Havana.
* Until further notice.
* At 10:45 AM CDT Saturday the stage was 16.9 feet.
* Flood stage is 14.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity…The maximum river stage in the 24 hours ending
at 10:45 AM CDT Saturday was 17.0 feet.
* Forecast…The river is expected to rise to a crest of 16.9 feet
* Impact…At 14.0 feet, Minor flooding begins to agricultural areas
not protected by levees.
The post Flood Warning issued July 17 at 11:09AM CDT by NWS Lincoln IL appeared first on WEEK.


Thomson_St. Louis is a 72MW hydro power project. It is located on St. Louis river/basin in Minnesota, the US. 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 1907. Buy the profile here.
The project is currently owned by Minnesota Power with a stake of 100%.
Thomson_St. Louis underwent through rehabilitation & modernization during 2012-2014. The project generated 270 GWh of electricity.
The hydro power project consists of 6 turbines.
The project has 6 electric generators installed at the site.
The project got commissioned in 1907.
For more details on Thomson_St. Louis, buy the profile here.


Flood Warning issued January 18 at 9:31PM EST until further notice by NWS
AREAS EFFECTED: Allendale
The Flood Warning continues for The Savannah River at Burtons Ferry. * At 9 PM Saturday the stage was 15.5 feet. * Flood stage is 15.0 feet. * Minor flooding is occurring. * Forecast, the river will remain nearly steady or slowly fall.


The Mohelno Hydroelectric Power Station
The Mohelno run-off-river hydroelectric power station, with its two turbine sets exceeding capacity of 1.2 MW and 0.6 MW, forms an inherent part of the Dalešice waterworks. The Mohelno reservoir with 17.1 million m3 of water balances the runoff from the Dalešice pumped-storage hydroelectric power station, and also serves as its lower basin for pumping. It provides cooling water for the Dukovany Nuclear Power Station, and also dilutes its waste water. The Mohelno Hydroelectric Power Station was built simultaneously with the Dalešice Pumped-Storage Hydroelectric Power Station.
The reservoir, representing a 7 km long lake, is a concrete gravity dam equipped with the hydro-technical equipment, i. e. spillways and bottom outlets. The Mohelno power station is fully automatic, and is remotely controlled from the Dalešice pumped-storage power station. It uses the primary hydro-potential to generate environmentally clean electricity.
The power station is located directly in the body of the dam, with the water being brought to the Kaplan turbine by a pipeline equipped with a quick-operating closing valve. Both the intake and outlet of water can be regulated by steel gates
|Generation Unit - Mohelno|
|Installed capacity||2 x 91 MW|
|Year of commissioning||1961 - 1962|
|Type of turbine||Kaplan|


Maldives Transport and Contracting Company (MTCC) has revealed that the work on the design and build of shore protection structures at Ha. Dhihdhoo is ongoing.
The overall project progress stands at 65 percent.
Scope of works for the project include backfilling of 7,750cbm of sand, 1,926cbm of sand for filling geo bags, and construction of a 310m geo bag revetment to prevent coastal erosion.
According to MTCC, the value of the project is MVR 10.02 million.


21:42 | 20/08/2020
The Three Gorges Dam in central China’s Hubei province has seen the largest flood peak since the construction of the reservoir.
07:52 | 20/08/2020
More than 100,000 people have been evacuated from areas on the upper reaches of China's Yangtze river as flooding threatened a 1,200-year-old World Heritage Site.
07:02 | 14/08/2020
The Three Gorges reservoir in Central China's Hubei province is expected to see a new round of floods around August 14.
10:28 | 29/07/2020
The Three Gorges Dam must open its reservoir due to the third heavy rain in the upper reaches of Yangtze River, while China’s been warning that the worst flood is still ahead.
12:39 | 28/07/2020
Torrential rain resulted in the third flooding of the year on Yangtze River, putting the Three Gorges Dam under serious pressure and it is forecast to peak on Tuesday (July 28).
China massive flood updates: Yangtze River hit by third flood, Three Gorges Dam suffers more pressure
09:10 | 27/07/2020
Rising water levels in trunk upstream leave China's Yangtze River struck with its third flood of the year Sunday afternoon, putting further pressure on the already overwhelmed Three Gorges Dam.
08:58 | 22/07/2020
Beijing has admitted in a rare revelation that ts 2.4-kilometer Three Gorges Dam spanning the Yangtze River in Hubei province “deformed slightly”, with some nonstructural, peripheral parts of the dam had buckled, after record flooding.
12:31 | 13/07/2020
Jiangxi has switched on "wartime mode" and raised the emergency response for flood control and disaster relief to the highest level.
08:53 | 02/07/2020
The reservoir of China's Three Gorges Dam is so large that when it is full of water, the Earth's rotation will slow down and the daytime will be extended.
17:53 | 30/06/2020
China said it was carrying out the first flood discharge of the year at the Three Gorges Dam after videos of the dam's downstream cities being massively flooded.
09:24 | 26/06/2020
Three Gorges Dam (Sanxia dam) faces serious test as Chongqing hit by worst flooding in 80 years. Chinese experts warn the world's largest power station-dam in danger of break at any time.
Vietnam News Today (Jan. 29): Quang Ninh: Cross-border trading with China resumed after Tet; Hanoi in the world's top three culinary destinations: Tripadvisor; Intertwined opportunities, challenges for Vietnam’s economy in 2023; Supermarkets, traditonal markets gradually resume normal operations amid abundant supply.
06:45 | 29/01/2023
19:33 | 28/01/2023
19:30 | 28/01/2023
11:37 | 28/01/2023


Bengasi district - Libya
Ministry of Agriculture - Libya
Description for Wadi Zaza (Libya)
Wadu Zaza project includes two dams for irrigation purposes: Wadi Zaza and Wadi Got
- Wadi Zaza (Arch Dam, H = 40 m, L = 180 m; V = 0.03 Mm³)
- Wadi Got (Concrete Gravity Dam, H = 20 m, L = 200 m)
Uribante Doradas (Venezuela)
Hydroelectric project with IP = 300 MW.
The scope of the assignment is the rehabilitation of the existing Hermitage...
San Lorenzo (Italy)
San Lorenzo (Sestu) is a small hydroelectric plant to supply the water...
Grand Ethiopian Renassaince Dam
This majestic project, born of the vision and...
Multi-purpose project (underground hydropower plant, water supply, etc.) for...
Bumbuna (Sierra Leone)
This is one of our pet projects that we have...
Lufubu Cascade (Zambia)
LUFUBU HPP Cascade envisages the construction of three hydropower plants on...
Namakhvani Cascade (Georgia)
Namakhvani HPP Cascade, includes the construction of three hydropower schemes...
Dire Dam (Ethiopia)
Earthfill dam with impermeable core for water supply to Addis Ababa and to...


Paung Laung Upper is a 140MW hydro power project. It is located on Paunglaung river/basin in Mandalay, Myanmar. 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 2004 and subsequently entered into commercial operation in 2014. Buy the profile here.
The project is currently owned by Ministry of Electricity and Energy, Myanmar.
The project generated 454 GWh of electricity. The project cost is $24m.
The hydro power project consists of 2 turbines, each with 70MW nameplate capacity.
The project construction commenced in 2004 and subsequently entered into commercial operation in 2014.
For more details on Paung Laung Upper, buy the profile here.


With the river diverted, dam construction is now scheduled to be completed by October this year
One of the main civil works on Punatsangchhu hydroelectric project –II (1020 MW), the construction of a diversion tunnel, has been completed. The river has been diverted for the dam construction earlier this week by chief advisor of the interim government Lyonpo Sonam Tobgye who was the chief guest at the inaugural of the river diversion tunnel.
The managing director of PHPA, Mr RN Kazanchi said the construction of the dam will now be in full swing, as both the river and highway traffic has been diverted through the tunnels. “We are expecting that the dam construction be complete by October, 2013,” the managing director said.
The main civil works of PHPA-II was divided into three packages; the first one includes construction of diversion tunnel, dam, intake and desilting arrangement including hydro-mechanical works, and highway tunnel.
While in the first phase, 1.5km highway tunnel was completed and opened to traffic on January 26, 2013, the diversion tunnel construction of 12m diameter and 888m length has also been completed along with the hydro-mechanical works of gates and hoists. The river was diverted on May 20, 2013.
Excavation of the entire four underground desilting chambers crown with a length of 2km has been completed as well. Four power intake tunnels of 1.1 km have also been completed out of a total length of 1.9km.
Mr Kazanchi said all the works of the first package are progressing as per schedule.
The works were awarded to M/S Jaiaprakash Associates Ltd. at a contract sum of Nu 12.24bn on June 26, 2011 with a completion time of 66 months.
PHPA-II is one of the hydroelectric projects under the 10,000MW projects that the Indian government agreed to help Bhutan develop within 2020.
Interim chairman of PHPA-II Dasho Chewang Rinzin said, “PHPA-II will be amongst the fastest constructed hydroelectric projects in this part of the world on commissioning, and will set the trend for hydro power construction.” He also acknowledged the efforts of Indian companies, local citizens, and other relevant authorities in implementing the project.
Also present at the inaugural were dignitaries like the Indian ambassador H.E Mr V.P Haran, the Dorji Lopon of ZhungDratsang, interim government advisor and DGPC MD Dasho Chewang Rinzin, and various government secretaries.


The company CMC Controlmatic Commerce d.o.o. on 21. 06. 2012. signed a contract with PE "Regionalni vodovod Crnogorsko primorje" for the reconstruction of pump stations “Uganjska vrela” and "Podgor". The contract covers making of the Main design of reconstruction for pumping stations, making the Main design of measurement and regulation manhole "Obzovica", and works for all mentioned.
Under planned reconstruction of the PS "Podgor" there will be performed the installation of three new centrifugal horizontal pumps, each with 350 kW power installed, installation of transformer facility, and the installation of process and measurement and control equipment for the management and monitoring of the pump station.
Reconstruction of PS "Uganjska vrela" comprises the construction of a new 50m3 storage tank in which will be installed two submersible well pumps, construction of a new pipeline from the reservoir to the pump station’s mechanical room, as well as the installation of process and measurement and control equipment for the management and monitoring of the pump station.
The planned time period for completion is 195 days, while the total contract amount of work is € 463,467.17. Investor is PE "Regionalni vodovod Crnogorsko primorje", and the end-user PE “Vodovod” Cetinje.


Coomera River dredging about to begin
A significant dredging campaign that will improve navigation in the Coomera River will soon get underway, the Queensland Government said.
The Coomera River is the primary access way for a wide variety of commercial, industrial, residential, and recreational waterway users.
The $2.5 million project is scheduled to start in April and will deepen the Coomera River channel.
The Coomera River channel dredging project will be delivered through the Gold Coast Waterways Management Program 2022‐26.
Member for Gaven, Meaghan Scanlon MP, said: “Over time, sand and sediment are deposited, forming shoals in the rivers and waterways which may inhibit access or be a safety issue.”
“This dredging will remove shoaling in the navigation channel from Sovereign Islands to the Hope Harbour entrance.”
Sediment which is unsuitable to be used on the beach will be transferred via a pipeline for processing at the Coomera dredged sediment management facility.
The Coomera River channel dredging project is expected to be completed by late June 2023.


S11T Stainless Steel Safety Valve Stainless Steel Safety Valve
Safety Valve Application:
The safety valves are used in oil system, high-temperature pipes and various caustic piping systems.
After installing in the piping system, the safety valve will work automatically when the pressure of medium in the system is reaching to the set value. It releases pressure to protect the system.
- Operating pressure: 0.1 ~ 40Bar.
- Operating temperature：FKM Sealing：-20~180℃, RPTFE Sealing: -60~280℃, PTFE Sealing: -60~170℃, EPDM Sealing: -40~110℃