Automatic charging function for battery. LED displays the power, voltage, current, speed etc working condition.Automatically start and stop working. Water proof and leak-proof, double seal effect. Excellent thermostability; withstand 850 high temperature. Soft start: no impulse current, protect the pump motor. High voltage/low voltage protection, over-current/over load protection, the winding won't be burned. Lof of 4,115V, 317GPH Submersible Pump Aquarium Pond Fountain Water Hydroponic. 3'' Solar Deep Well Submersible Water Pump 1.5HP with MPPT Controller Kit. Submersible Pump Battery Powered Long Life Deep Well DC72V 900W with 10m wire. 110-120V Submersible Water Pump 2800LPH Fish Tank Pond Fall Aquarium 32W. US STORE 110V 20W, 9.8ft Lift, 924GPH Submersible Pump, Quiet Water Pump 2 Nozzles. 48V 400W Deep Well Screw Submersible Water Pump 1in Outlet 264GPH 115FT Max Head.
60V 370W Screw Pump 3in Deep Well Submersible Water Pump 396GPH 213FT Lift Home. DC 12V Submersible Water Pump, Solar Powered, Deep Well, 125W, 26.25FT Max Lift. DC 12V Submersible Water Pump 260W Well Water Pump, Farm Ranch 32.8FT Max Lift. DC 72V Solar Power Submersible Pump 1200W Deep Well Water Pump With Controller.The item "DC 48V Solar Brushless Deep Well Submersible Pump 600W Centrifugal Water Pump" is in sale since Thursday, February 14, 2019. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Ponds & Water Features\Pond & Fountain Pumps". The seller is "globalkingisbest" and is located in sz.
This item can be shipped worldwide.


In order to improve the cavitation resistance of centrifugal pump, bionic groove surface structure was arranged on the suction surface of centrifugal pump blade which is the most prone to cavitation. Numerical simulation method was used to study the influence of different-shape groove blade on cavitation performance of centrifugal pump. The results showed that the head and efficiency of the centrifugal pump with circular grooved surface blades were close to the smooth surface blade centrifugal pump and higher than those with triangular grooved surface blades and rectangular grooved surface blades. The low pressure area of the circular groove blade was the smallest and the cavitation resistance was the best. At the critical cavitation margin point, circular groove blade can effectively reduce the probability of negative incidence, and the cavitation inhibition effect was the most obvious.


Corps Cancel Water Pulse Into Missouri RiverMarch 30, 2011
___________________________________________________________________________________ . .
A scheduled pulse of water into the Missouri River in March to benefit the endangered pallid sturgeon has been canceled. A natural pulse from the eastern South Dakota tributaries is occurring instead.
The melt of the extensive plains snowpack in eastern South Dakota has raised river levels well above the flow limits, eliminating the need for a two-day pulse.
Tributary streams in eastern South Dakota are well above flood stage and are forecast to remain high for the next several weeks. The magnitude of the March pulse was to be 5,000 cubic feet per second (cfs) minus the flow on the James River at just above its confluence with the Missouri River upstream of Sioux City.
Today's flow on the James River is nearly 25,000 cfs. It is expected to crest later this week, but remain high for the foreseeable future.
The Missouri River is above the downstream flow limits at all three locations: Omaha, Nebraska City and Kansas City.
Click Here to Read More.
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http://HermannHearsay.blogspot.com/(Hermann Area News, Commentary & Discussion)


60 MW Upper Trishuli 3A’s foundation stone laid
The foundation stone of 60-MW Upper Trishuli III ‘A’ was laid on Wednesday. With the country reeling under acute power crisis, the government is aiming at building the 60-MW project in three years.
Laying the foundation stone of the project located in Simle, Nuwakot, on Wednesday, Energy Minister Post Bahadur Bogati said the project will be a milestone in hydro development.
“Timely completion of the project will be instrumental in minimising load-shedding hours,” the minister said, assuring that the government will prioritise construction of hydropower projects. The estimated cost of the project is Rs 10.6 billion and is expected to be completed by May 1, 2014.
On February 25, 2011, the Cabinet approved a Chinese Exim Bank loan worth Rs 7.08 billion for the construction of the project. The interest rate on the loan is 1.75 percent and its repayment period is 20 years.
China’s Ambassador to Nepal Yang Houlan said Nepal has immense hydropower potential and China is willing to support the Nepali government to develop this sector.
Civil construction work of the project has already been started from June 1, 2011. Chinese contractor, China Gezhouba Group Corporation(CGGC), is carrying out the work. The power generated from the project will be supplied to a substation at Matatirtha in the Capital through a 220-KV 46-KK transmission line. The price of the electricity generated from the project is fixed at Rs 2.42 per unit. (Source:ekantipur)


The Flood Warning continues for
the Redwood river near Redwood Falls.
* Until Wednesday evening.
* At 1:30 am Monday the stage was 6.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Flood stage is 6.0 feet.
* Forecast... the river will continue rising to near 6.5 feet by this
morning. The river will fall below flood stage early Wednesday
* Impact... at 6.0 feet... low lying areas, mainly farmland, and some
roads along the river begin to experience flooding.
Lat... Lon 4458 9514 4453 9505 4444 9539 4451 9546
Severe Weather Get Mobile & Email Alerts
Redwood Severe Watches & Warnings NOAA Weather Radio
Watches & Warnings
Issued: 2:44 AM CDT Oct. 15, 2018 – National Weather Service


The Rodgers Crossing Project was a major storage and power project to be situated on the main stem of the Kings River, approximately 21 miles upstream from the existing Pine Flat Dam and Reservoir.
As envisioned, the project would have consisted of a 640-foot high concrete gravity dam, a 737,000 acre-foot reservoir and a hydroelectric power plant containing two 155-megawatt generating units.
Plans for Rodgers Crossing were not far along when the project was suspended in 1986 following Congressional action that placed the foothill reservoir site into a special federal management area.
KRCD is permitted to resume studies of the project when it deems appropriate, but the dam, power plant and reservoir would require authorization by Congress to construct.
In 2001 when the central San Joaquin Valley experienced rolling blackouts and cost spiking, KRCD took another look at the Rodgers Crossing Project but determined it to be infeasible.


8″ SUBMERSIBLE BOREHOLE PUMPS
8″ submersible borehole pump manufactured from corrosion and abrasion resistant 316 stainless steel.Close coupled to Nema standard submersible electric motor.
Designed for flow rates to 120 m3/hr, from a standard 8″ ID bore casing. Max Heads of 500 metres.Motor Power: 7.5kW – 110kW Efficiencies up to 80%.
Suitable for applications such as : Water supply, Turf watering, Irrigation, Mine dewatering, Water treatment.
FEATURES & BENEFITS
Advanced stainless steel manufacturing technology with state of the art stainless steel, complete 316SS hydraulic design provides high efficiency pump design, flexible stage construction and unique sand handling capabilities.
High efficiency impeller design, radial flow impeller for 18 & 27m3/hr and axial flow impeller for 45 & 60m3/hr providing maximum efficiency, reduced power consumption and maximum performance from 6″ ID bore.
Fluted silicon carbide / polyurethane bearings and floating PTFE neck rings provides wear resistance for longer pump life and unique sand handling capabilities.
Check valve assembly incorporated into discharge head and stainless steel upthrust washer for pump & motor protection and horizontal or vertical operation.
Hexagonal shaft design, single outer casing and flexible stage design provides maximum pump strength & operating pressure, matched pump performance and easy to install & service.


Dredge Yard designed a heavy-duty double walled dredge pump using latest technology and innovation of fluid dynamics CFD.
Our design for the heavy-duty double walled dredge pump covers the range of 500mm to 1600mm pumps with a working pressure up to 40 bar.
The double walled pump can be used for trailing suction hopper dredgers, booster stations or cutter suction dredgers.
The inner casing is made of high wear resistance material such as Ni-Hard 4, GX300, GX260 or other material following customers’ requirement and project application.
The double walled pump is also provided with liquidyne seal, hydro-seal, mechanical seal or stuffing box. Depending on customers’ application and requirements.
Contact us for more information.


Alerts in Effect
Flood WarningIssued at 09:05 Saturday 19 October 2019
...The Flood Warning continues for the following streams in Kansas..
Big Blue River near Blue Rapids affecting Marshall County
The Flood Warning continues for
The Big Blue River near Blue Rapids.
* until further notice.
* At 8:15 AM Saturday the stage was 40.9 feet.
* Flood stage is 26.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to fall to a stage of 40.5 feet
by Sunday morning.
* Impact...At 26.0 feet...Minor lowland flooding occurs from
Marysville to Tuttle Creek Lake.


Kvarnsveden KRV is a 61MW hydro power project. It is located on Dalalven river/basin in Dalarna, 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. Post completion of construction, the project got commissioned in 1975. Buy the profile here.
The project is currently owned by Fortum with a stake of 100%.
The project generated 110 GWh of electricity.
The project got commissioned in 1975.
GE Renewable Energy supplied 1 electric generator for the project. The generator capacity is 32 MVA.
GE Renewable Energy supplied 1 electric generator for the project. The generator capacity is 36 MVA.
For more details on Kvarnsveden KRV, buy the profile here.


- Gain overview of different dredging projects and dredging equipment
- Set-up of dredging organisation and project teams
- Select dredging equipment based on project types and soil characteristics
- Gain insight in project phases
- Identify the dredging constrains in relation to dredging project and equipment
The following topics will be covered during the two day training:
life-cycle of a project.
- Dredging equipment & components
trailing suction hopper dredgers
cutter suction dredgers
- Project constrains
- Equipment selection
determination of dredger production
calculation of dredger costs.


Remote Valve Stem Position Control Pilot
The Cla-Val model CPC electronic actuated positioning control regulates flow through Cla-Val main valves by changing valve position from full open to shut-off via a 4-20mA command signal. The CPC consists of electronic actuator and hydraulic pilot sub-assembly. The CPC controls valve position by hydraulically limiting valve opening with hydraulically-assisted pilot modulating main valve.
|Process connection: 3/8” BSP Female |
Command signal: 4-20mA
Feedback signal: 4-20mA


Van Chan is a 57MW hydro power project. It is located on Ngoi Thia river/basin in Yen Bai, Vietnam. 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 2013. Buy the profile here.
Van Chan is a run-of-river project. The project generated 251.272 GWh of electricity. The project cost is $66.916m.
The hydro power project consists of 3 turbines, each with 19.487MW nameplate capacity.
The project has 3 electric generators installed at the site. The generator capacity is 19 MVA.
The project construction commenced in 2009 and subsequently entered into commercial operation in 2013.
Power purchase agreement
The power generated from the project is sold to Vietnam Electricity under a power purchase agreement.
For more details on Van Chan, buy the profile here.


Project Owners Name:
DC Water and Sewer Authority
This design build project consists of the construction of a diversion chamber, and overflow structure, and an odor control facility. Our scope of work included the design of a buried odor control facility adjacent to an existing concrete drop shaft structure and design of a new concrete cover and internal structures for the drop shaft. Prepared plans and specifications, reviewed shop drawing submittals, and responded to contractor’s RFIs. All design performed was in accordance with drawings and specifications provided by the Owner.


The Lake Williams Reservoir pool level is being lowered in preparation for the dam construction work that is scheduled to start in April of 2022. Currently, the reservoir level is 23.8 feet below full. The original borrow area used by workers during the dam’s construction in 1911 is now visible.
With the Lake Williams water level getting lower, there is a large amount of lake bed exposed. Please keep out of the lake bed. It is extremely dangerous to trespass on this newly exposed lake bed. Trespassers will be cited.


New Delhi, Dec 2 (PTI) The water level in 91 major reservoirs across the country has gone down to 62 per cent of their total storage capacity from 64 per cent last week, according to an official statement.
As of November 23, the water storage in the reservoirs was 101.77 billion cubic metres (BCM). It has now decreased to 98.578 BCM for the week ending November 30.
The latest water levels in the reservoirs are 96 per cent of the storage reported during the corresponding period last year, the Union water resources ministry said in the statement.
The water stock is 95 per cent of the decadal average, the statement added.
The reservoirs in states such as Punjab, Rajasthan, Jharkhand, Odisha, Gujarat, Uttar Pradesh, Madhya Pradesh, Chhattisgarh and Telangana have reported lesser storage level than last year.
Major dams in Himachal Pradesh, West Bengal, Tripura, Maharashtra, Uttarakhand, Andhra Pradesh, Karnataka, Kerala and Tamil Nadu have reported better storage level vis-a-vis the corresponding period last year.
The total storage capacity of the 91 reservoirs is 157.799 BCM which is about 62 per cent of the total storage capacity of 253.388 BCM, which is estimated to have been created in the country.
Thirty-seven of these reservoirs have hydropower benefit with installed capacity of more than 60 MW. PTI ENM SMN


A ship retainer system was designed, and built upstream of the recently constructed A30 bridge at Beauharnois, Quebec.
The project consists of the design and supply of all components for two safety booms. The booms were installed at the reservoir of Pine Portage and the other in the reservoir of Hay.
Two permanent Debris Booms were designed, constructed and deployed for Hydro Quebec’s La Romaine-2 Project, located 70 km north of Havre St. Pierre, Quebec.
New pontoon and buoy designed to replace a boom designed and built by the US Corp of Engineers in 1984.


The mathematical model METQ98 for runoff simulation is described. The METQ98 is developed from the model METUL (Krams and Ziverts 1993). Input data for the model are daily mean values of air temperature, precipitation and vapour pressure deficit. The spatial variability of surface processes is represented by dividing the river basin into hydrological response units (HRUs) depending on the land cover. The analysis of the model parameters is based on hydrological and meteorological data of the Vienziemite Brook basin. Also the influence of drainage on the model parameters is analysed. The results of application of the model to the Daugava River basin are presented.
This content is only available as a PDF.
© IWA Publishing 1999


Reconstruction of Chärstelenbach Water Intake
Reconstruction of Chärstelenbach water intake in Bristen in conjunction with flood protection measures on Chärestelenbach stream. Demolition of the permanent weir sill and installation of a mobile gate (16 m) as well as replacement of bottom outlet gate. Complete replacement of the retain-ing walls, buttresses and downstream weir floor. Extension of the centre pillar, weir downstream face and left bank.
This is a complex flood protection project caught between the demands of flood protection, power plant use and winter construction site in the mountains. Exten-sive hydraulic steel measures adapted to the existing facility with challenging drainage under construction.
- Excavation: ca. 7,000 m3
- Micropiles on weir down-stream face: total 120 m
- Concrete demolition: ca. 500 m3
- In-situ concreting works: ca. 500 m3
- Block work: ca. 4,500 t
- Gate dimension (damming height): 16 x 3 m
- Bottom outlet gate dimensions: 3 x 2 m
Scope of services
- Design for construction
- Execution design incl. construction supervision


Tanzania Electric Supply Company Limited African Development Bank
2018 – in progress
Description for Kikonge Multi-Purpose Project (Tanzania)
Kikonge is a multipurpose project foreseen for hydropower, irrigation and water supply. The scheme is located on the Ruhuhu river in the South West of Tanzania, which drains to the Lake Nyasa. Kikonge is the name of a tributary of the Ruhuhu near the site of the project.
The main component is a 120m high multipurpose rockfill dam. The regulated flows are used for a hydropower plant (IP = 235 MW), for an irrigation scheme with a 4000 ha irrigated area and for water supply systems to the local communities.
The principal objectives of the Kikonge multipurpose project are to improve livelihood, social well-being through the socio-economic development of the region. In addition to the main infrastructure works which are the irrigation scheme, the dam and its reservoir and the associated hydropower plant and the high voltage transmission line, the study includes water supply to local communities, local electricity supply, the fishing activities and the tourism development.
Studio Pietrangeli has been continuously present in Tanzania since 1989 successfully completing several engineering projects in the water sector. Thanks also to its internationally renowned projects in Ethiopia, Zambia and Zimbabwe SP is currently a leading engineering firm in the region for hydropower, transmission line, irrigation and water supply projects.
- Reservoir ( V = 6'000 Mm3 )
- Dam ( Rockfill type, H = 120 m )
- Irrigation Scheme ( 4'000 ha irrigated area )
- Powerhouse ( No. 3 Francis Turbines, IP = 235 MW )
- High voltage Transmission line
- Access Roads
Lusaka Aqueduct (Zambia)
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Hydroelectric Plant with Pumped Station.
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Reservoir capacity augmentation through the heightening of an existing...
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Multi-purpose project (underground hydropower plant, water supply, etc.) for...
Gibe III Hydropower (Ethiopia)
Gibe III hydropower plant is the third stage of...
Legadadi Dam (Ethiopia)
The purpose of the reservoir is to...
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The scopes of the assignment, commissioned by...
Bwari Aqueduct (Nigeria)
Water supply system for the district of Abuja, including pipelines, pumping...
Porto Romano Multi-Purpose Project (Italy)
Yacht Harbour is on the right side of the Tevere River floodplain, about 1 km...


- It sure is big — over a mile long!
- On the Cumberland River near Jamestown, Kentucky
- Construction began in the 1940’s; completed in 1950, with the final power generator installed in 1952
- Lake Cumberland, which was created by the dam, is the largest manmade reservoir east of the Mississippi River and provides over 40% of the total flood storage in the Cumberland River basin.
- Benefits include:
- Flood damage reduction - Provides a maximum flood storage capacity of over 6 million acre-feet
- Hydropower - Produces 22% of the hydropower generated on the Cumberland River
- Currently undergoing a seven-year Seepage Rehabilitation Project through the U.S. Army Corps of Engineers
And some surprising Lake Cumberland trivia:
- The lake's shoreline is longer than the Florida coast.
- It receives even more visitors each year than Yellowstone Park.
The Perpetual Vacationers: Dam tourists


The Flood Warning continues for
the Mississippi River at Red River Landing.
* Until Friday June 16.
* At 7:00 PM Tuesday the stage was 57.3 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Flood stage is 48.0 feet.
* Forecast... the river will continue rising to near 58.5 feet by
Tuesday may 30. The river will fall below flood stage Thursday
* Impact... at 58.0 feet... Angola farmland on the left bank becomes
* Impact... at 54.0 feet... all river islands along The Reach from Red
River Landing to Baton Rouge will be inundated. Recreational camps
and river bottom land will be under water. Water approaches Angola
Lat... Lon 3103 9153 3102 9170 3071 9159 3074 9137
Severe Weather Get Mobile & Email Alerts
Pointe Coupee Severe Watches & Warnings NOAA Weather Radio
Watches & Warnings
Issued: 8:41 PM CDT May. 23, 2017 – National Weather Service


The Makita PF0 300/2 Submersible Drainage Pump is a powerful and versatile water pump that can be used for draining rain water barrels and casks, garden irrigation, trenches, flood water, cess pits, reservoirs, ponds swimming pools and cellars.
This robust pump is only suitable for clean water drainage and permits up to 5mm particle sizes. For your convenience the Pump also has an integrated handle for easy transportation and storage as well as a hose connector.
Max pumping capacity: 140litres/min.
Max solids Diameter: 5mm.
Max Submersion Depth: 5m.
Max Head: 7m.
Min Suction Level: 20mm.
Input Wattage: 300W.
Net Weight: 4.23kg.


Shoshone project, NW Wyo., near the Mont. line and in the Shoshone River basin. Developed by the U.S. Bureau of Reclamation, it irrigates a large portion of land and has four divisions. The project is supplied by diversion dams and canals and by Buffalo Bill Dam (325 ft/99 m high; completed 1910), which has a power plant. The power system is integrated with the Missouri River basin project.


About this product
This economical Stratco turbine pressure pump is designed for water transfer and garden irrigation. Robust construction, with stainless steel shaft, brass impeller, and carbon/ceramic mechanical seal. Includes automatic pressure controller.
- Automatic pressure controller for constant pressure
- Run-dry and thermal overload protection
- Sturdy cast iron housing
- Easy DIY installation
- Head: 37m max.
- 1-2 outlets
- 2 year warranty
- 25mm outlet
- 3m electrical cable with plug
- Quick plug pressure controller


At the end of 2012, the first outrigger system of the new CK60 series with the AHC45
hydraulic unit and the MB1000 hydraulic hammer was made and handed over. It is equipment with a performance coefficient of 230 kNm with the newly designed DPP - Direct Pressure Protection hydraulic system, which secures precise adherence to hydraulic parameters even in the heaviest conditions.
Basic parameters of the CK60 outrigger system:
- Outrigger system weight without the hammer 5,850 kg
- Outrigger length 3.3 m
- Stick length 2.5 m
- Working equipment slewing range 170°
- Individual parts of the working equipment are shaped weldments of materials with guaranteed mechanical properties.
- Swivel joints are made of quality, improved, and hardened materials with high abrasion resistance.
- The materials used and the hydraulic cylinder design guarantee long service life even in the heaviest operating conditions.
Basic parameters of the AHC45 hydraulic unit:
- Unit weight 950 kg
- Installed power 45 kW
- Max. pressure 300 bar
- Automatic oil cooling
- Manual oil heating
- Powerful oil filtering
- Oil tank capacity 460 l


China started up the Baihetan power station in the southwest of the country on Monday. It is the second-largest hydroelectric power station in the world.
The hydroelectric power station is built on the border of Yunnan and Sichuan provinces, on the course of the Yangtze River. In the long run, the power station should supply enough electricity to meet the annual needs of half a million Chinese.
The plant began supplying electricity on Monday. At full capacity – planned for 2022 – it will have a capacity of 16 gigawatts. Only the Three Gorges Dam – also on the Yangtze, China’s longest river – is even more powerful (22.5 GW).
With the construction of hydroelectric power plants, China wants to reduce greenhouse gas emissions caused by coal plants. But there are also ecological consequences. For example, the construction of the Baihetan dam would be detrimental to the fish stock.
There is also an impact on the local population. It is estimated that 100,000 people were forced to relocate due to the project. The construction company China Three Gorges Corporation (CTG), which builds and manages the dam, says it has allocated 70 billion yuan to financially compensate residents and build new houses.


NCC Ltd (along with IL&FS) is setting up a 100 MW hydel power project in Sorang in Himachal Pradesh is run-of river hydroelectric scheme in the Kinnaur District. The project will utilise the waters of the Sorang Khad, a major tributary of the Satluj River. The company has received a concession for a period of 40 years. It has formed a special purpose vehicle Himachal Sorang Power Pvt Ltd to implement the project. The project cost is estimated at Rs. 5800 million. The project is likely to go operational in 2013.
Jala Shakti Ltd to set up a 5 MW (2 x 2.5 MW) hydel project across the river Baleni Ka Nallah (a tributary of river Ravi) in Naleni village in Chamba district of Himachal Pradesh. It will be a run-off-the river scheme and it consists of construction of trench type diversion weir, intake chamber, desilting tank, forebay, penstock and a powerhouse with 2x 2.5 MW Pelton turbines. The power generated will be evacuated to Jarangla/Karian sub-station. The project cost is estimated at Rs. 293 million.
NTPC is setting up the 800 MW Kol Dam hydro project in Satluj in Bilaspur district in Himachal Pradesh over the upstream of Bhakra river. The project is likely to be commissioned by 2013. Around 80% of the work have been completed including the four turbine units (4 x 200 MW) for power generation. The project will depend on water diversion from Bhakra river from upstream to Kol dam, as Bhakra river irrigates most of Punjab, Haryana and Rajasthan. The Himachal Pradesh government will receive 12% free power from the project as royalty.


Koysha hydropower project, located in the southern part of Ethiopia, has a capacity of generating 2, 160 MW of electricity and it is the biggest hydropower project in Ethiopia next to the Grand Ethiopian Renaissance Dam (GERD).
As per the ten-year strategic plan of the ministry, Ethiopia needs some 20,000 MW electric power for its national economic development aspired to be realized after 12 years, Eng. Seleshi said.
The ministry has also planned to provide electric services to all parts of the country over the coming five years, he stated.
Hence, the government of Ethiopia is making efforts to complete the construction of the Koysha hydropower project in three years, the minister pointed out.
According to the minister, the construction of the power plant will be carried out with a capacity to hold only 6 billion cubic liters of water as the project is expected to use water from the nearby Gibe 3 hydropower, and this expedites the completion of the construction within the stated period.
The speedy completion of the project will also contribute a lot to the efforts being made to make the area one of Ethiopia’s key tourist destinations, Seleshi added.
The construction work of the Koysha hydropower project, whose agreement was signed some four years ago, has now reached 39 percent and created 4,000 jobs.
Koysha is one of the new tourist destination development projects in the Southern Nations, Nationalities, and Peoples’ Region along with Gorgora and Wonchi located in Amhara and Oromia regional states, respectively.
The Koysha hydropower project is a 2.16GW hydroelectric facility under construction on the Omo River in the Oromia region of Ethiopia.
State-owned public utility enterprise Ethiopian Electric Power (EEP) is developing the project with an estimated investment of approximately £1.93bn ($2.80bn). The civil construction works on the project were started in October 2016.
Once completed, the Koysha hydropower project is expected to generate up to 6,460 Giga watt-hours (GWh) of electricity while offsetting approximately one million tonnes (Mt) of CO2 annually.
The Koysha hydroelectric power project is located on the Omo River, approximately 370km southwest of the capital city Addis Ababa. The other hydroelectric facilities built on the Omo River include the Gigel Gibe (200MW), the Gibe II (420MW), and the Gibe III (1,870MW) power stations.
Koysha hydroelectric power plant make-up
The Koysha hydroelectric power project comprises a 180m-high, roller-compacted concrete (RCC) gravity dam, and a 250m-long, 41m-wide, and 60m-high surface powerhouse equipped with eight Francis turbine units of 270MW rated capacity each.
The RCC gravity dam with a crest length of 990m will create a reservoir capacity of nine billion cubic meters (bcm). The project also features a 330m-long and 42m-high cofferdam.
The main dam will have six spillway gates, 20m-wide and 17m-high, with a discharge capacity of 13,100m3/s. The project also involves the construction of a diversion canal and two 6m-diameter middle-level outlets embedded in the dam body to control the reservoir level.
The power station will utilize three 650m-long steel penstocks, one of which will be lowered to facilitate early power generation using the first two units during the first impounding.
The other electrical component of the power station includes a total of 24 transformers, including three single-phase 400kV transformers and a switchyard.
Ancillary infrastructure facilities
The ancillary infrastructure facilities for the Koysha hydropower project will include a bridge over the Omo River, temporary and permanent camps, access roads, a landing strip, as well as crushing and batching plants.
The electricity generated by the Koysha hydroelectric power station will be evacuated into the grid through a 400kV overhead power transmission line.
Italian export credit agency Servizi Assicurativi del Commercio Estero (SACE) agreed to provide £1.15bn ($1.68bn) of financing for the Koysha hydroelectric power project in April 2016.
Italian construction and civil engineering company Salini Impregilo (now Webuild) signed an engineering, procurement, and construction (EPC) contract for the Koysha hydropower project in May 2016.
Studio Peitrangeli Consulting Engineers were subcontracted by Salini Impregilo for the engineering services and technical supervision of the project. The scope included pre-feasibility and feasibility studies, as well as the basic design of the power project.
Pizzi Instruments was subcontracted by Salini Impregilo for the supply of monitoring instruments, including vibrating wire piezometer, CUM3000 datalogger, and meteorological devices in July 2016.
Tractebel Engie was selected as the project consultant by EEP for the Koysha power station, while VAW was subcontracted to perform physical model tests on the middle-level outlets, along with the jet trajectories and scour formation in the downstream section.
Stantec was selected for the contract management services for the Koysha hydroelectric power project


Busalla - Italy
PHASE 1: Acquedotto Nicolay S.p.A. - Genoa PHASE 2-3: Mediterranea delle Acque S.p.A.
1965-1986 / 1991-2002 / 2005-2008
Description for Busalletta (Italy)
Dam built to provide a
reservoir for the urban water supply of Genoa.
The concrete gravity dam is a special structure on deformable foundations.
- Gravity dam (H = 50 m, L = 222 m, V = 155'000 m³)
- Spillway on dam crest (Q = 230 m³/s)
- Bottom outlet (Q = 50 m³/s, L = 211 m, D = 2.4 m)
- Preliminarry design
- Final design
- Supervision of construction (with full technical responsibility)
- Consultancy during trial impounding and operation
- Preliminary and Final design of the outlet works
- Supervision of Construction
- Preliminary design for reservoir augmentation
Tana Beles (Ethiopia)
The ambitious Tana Beles project was located in the Metekel district of...
Porto Romano (Italy)
Yacht Harbour is on the right side of the Tevere River floodplain, about 1 km...
San Lorenzo (Italy)
San Lorenzo (Sestu) is a small hydroelectric plant to supply the water...
Limonlu HPP comprises 4 power plants in cascade to be constructed in 2 phases...
Alto Temo (Italy)
Water storage plant for irrigation purposes with a capacity of 90 Mm³
Bumbuna (Sierra Leone)
This is one of our pet projects that we have...
Koysha is the fourth plant of the Omo river cascade (IPtot = 4600 MW),...
Jamaica 6 (Jamaica)
Jamaica 6 project includes the feasibility for six small hpps in Jamaica and...
Multi-purpose project on Lake Tana, including hydropower plant and irrigation...


The Flood Warning continues for
the Little Sioux river near Correctionville.
* Until Thursday evening.
* At 09am Monday the stage was 24.30 feet.
* Major flooding is occurring and major flooding is forecast.
* Flood stage is 19.00 feet.
* Forecast... the river will continue to fall to below flood stage by
Wednesday September 26.
* At stages near 23.8 feet... major agricultural flooding on the east
side of the river begins, and water will spread 1/4 mile east and
affect Highway l27.
Lat... Lon 4256 9578 4256 9569 4233 9586 4221 9590
4221 9598 4236 9592
Severe Weather Get Mobile & Email Alerts
Woodbury Severe Watches & Warnings NOAA Weather Radio
Watches & Warnings
Issued: 10:03 AM CDT Sep. 24, 2018 – National Weather Service


« View county listFlood Advisory
617 AM EDT Wed Apr 25 2018
The Flood Advisory continues for
The Congaree River At Columbia.
* until Thursday morning.
* At 6 AM Wednesday the stage was 12.0 feet.
* Flood stage is 19.0 feet.
* Forecast...The river will rise to crest at 12.9 feet tomorrow
* Advisory stage is 10.0 feet.
* At 8.5 feet, water reaches the lowest sections of the
Cayce-West Columbia Riverwalk. At 12 feet, several sections
of the Riverwalk become cut off. At 13 feet, flooding occurs
in flood prone areas near and downstream from Columbia.
Flooding also occurs over much of the Cayce and West Columbia
LAT...LON 3404 8106 3396 8100 3394 8106 3401 8111
614 AM EDT Wed Apr 25 2018
The Flood Warning continues for
The Congaree River At Carolina Eastman.
* until Sunday afternoon...Or until the warning is cancelled.
* At 6 AM Wednesday the stage was 117.8 feet.
* Flood stage is 115.0 feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 119.8 feet by
after midnight Friday. The river will fall below flood stage by
* At 119.0 feet...Extensive flooding occurs in the Congaree National
Park. Some area farmland is flooded. Minor flooding occurs at the
Carolina Eastman Facility.
LAT...LON 3396 8100 3387 8092 3379 8097 3394 8106


If you are looking for a contactless water level sensor then XKC-Y26-NPN is a very good sensor. As you can see in the video how easily you can setup and how fast it senses the water and turns on the buzzer. It's quite relabel I think.
2.Input Voltage: DC 5-12V
3.Power Consumption: 5mA
4.Output Voltage (high level): Vin
5.Output Voltage (low level): 0V
6.Output Current: 1-100mA
7.Response Time: 500ms
8.Operating Ambient Temperature: 0~85 Celsius
9.Sensor Sensitivity: tube outer diameter (D:mm); sensor max tube wall (L:mm)
10.Applicable Tube Diameter Range: >=10mm
11.Liquid Error: =/-1.5mm
14.Waterproof Performance: IP65
15.Operating Principle: intelligent non-contact liquid level sensor is for detecting whether there is liquid by water induction capacitor.
When there is no liquid to approach the sensor, sensor will generate certain static capacitance because of the capacitor distribution;
When the liquid rises slowly to approach the sensor, the liquid parasitic capacitor will coupling to this static capacitor so that the terminal capacitance of sensor will increase;
The changing capacitance signal will be input to control IC and achieve signal switch,then transform the changing capacitance value into variation of certain electric signal.
Using certain algorithm to detect and judge the degree of the variation; when the variation has surpassed certain threshold value, then it means the liquid level reaches sensing point.
1.It is applicable to non-metal outer wall not necessary to directly contact with liquid so that it can avoid liquid corrosion of strong acid or alkali,
or the influence by scale or other impurities.
2.Intelligent liquid level benchmark adjustment and liquid level memory function, liquid level status display way, it can achieve multi-point serial connection;
support NPN output.
3.Accurate and stable detection, it can detect boiling water liquid surface
4.Pure electronic structure, non-mechanical operation way; and it has stable performance and long life.
5.High stability, high sensitivity, strong anti-interference capacity; it will not be affected by power frequency interference and
common mode interference due to special disposals so as to compatible with 5-24V power adapter.
6.Strong compatibility, and it can penetrate into non-metal tube, such as plastic, glass, ceramic etc. Its sensing tube wall thickness can be up to 20mm;
it is applicable to different shapes of container or tube level's liquid level detection.
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how to make a capacitive water level sensor. how to make a drip level sensor. level sensor information. liquid density sensor arduino. no contact fuel level sensor. non contact level sensor. non contact level sensor working. non contact liquid level sensor. non contact liquid level sensor without auduino. non-contact liquid level sensor to detect low water level using arduino with bluetooth. non-contact tank liquid water level sensor switch container water level switch. non-contact tank liquid water level sensor switch container water level switrsde. non-contact water liquid level sensor switch. optical liquid level sensor. sensor liquid. XKC-Y26-NPN.


Saggart Reservoir Project
Irish Water is constructing a new reservoir in Saggart to improve security of supply to the Greater Dublin Area.
Irish Water, working in partnership with Dublin City Council and South Dublin County Council, is progressing upgrade works at the Saggart Reservoir. The current waterworks will be replaced with a new reservoir that will provide treated drinking water storage, building resilience in the water infrastructure for the Greater Dublin Area.
This €59 million investment includes the construction of 100 million litres covered treated water reservoir to store water supplied from Ballymore Eustace Water Treatment Plant and will improve security and resilience of supply to the Greater Dublin Area. Coffey Construction Ireland Limited are working on behalf of Irish Water to deliver this project.
What are the benefits of these works?
This is a significant project for the Greater Dublin Area. The new reservoir will have the capacity to store enough water to supply almost 300,000 homes with the water they need for one day, which will ensure a more resilient water supply for homes and businesses.
The works carried out as part of this project will:
- Increase the security and resilience of the drinking water supply to businesses and residents in the area.
- Facilitate future growth and development in southwest Dublin.
- Address the current and medium-term water supply demands of the Greater Dublin Area.
What is involved as part of this project?
The project includes the construction of:
- A 100 million litres covered treated water reservoir at the existing reservoir site in Saggart, equivalent to the size of 40 Olympic sized swimming pools
- A new electro chlorination plant and associated infrastructure.
- Construction of associated pipelines on site to connect to the new reservoir.
What is happening next?
Work on site started in March 2021 and is due to be finished by the end of 2023.
We are almost at the halfway point of the project. The inlet structure and reservoir floor are significantly complete, while construction of the reservoir walls recently commenced.
Irish Water has launched a new progress video to showcase how works are progressing on site as well as highlighting the scale of the works being undertaken. Check it out below:


Ente Autonoma del Flumendosa (EAF)
Description for Simbirizzi (Italy)
Simbirizzi (Settimo S. Pietro) is a small hydroelectric plant to supply the water pipeline network of southern Sardinia.
- Open-air Power House (external dimensions 18 x 10 x h7 m)
- Electromechanical Works (No.1 Francis Turbine, IP = 1'300 kW, Q = 2 m3/s, Head= 75 m, E = 6.5 GWh/y)
- Three-Phase Synchronous Alternator (6 kV/1,700 kVA)
Vranduk (Bosnia and Herzegovina)
Vranduk project consists in a run off river power plant with an installed...
Bagré (Burkina Faso)
Bagré multipurpose scheme was built in 1993 and is located along Nakambé...
PHASE 1: Achievement of a reservoir for flood control of the Temo...
Hydroelectric project on the Victoria Nile River within an installed power of...
Kabwe urban water supply scheme.
Reservoir storage capacity: 12 Mm³.
Jamaica 5 (Jamaica)
This project includes prefeasibility and feasibility studies for five small...
Djouè river hydroelettric plant (tributary of Congo).
Kabuyanda is a multipurpose dam envisaged for agriculture (paddy rice and...
Simbirizzi (Settimo S. Pietro) is a small hydroelectric plant to supply the...


Santa Giustina is a 108MW hydro power project. It is located on Noce river/basin in Trentino-Alto Adige, Italy. 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 1946 and subsequently entered into commercial operation in 1951. Buy the profile here.
The project is currently owned by Dolomiti Edison Energy with a stake of 100%.
Santa Giustina is a reservoir based project. The project generated 282.46 GWh of electricity.
The hydro power project consists of 3 turbines, each with 35MW nameplate capacity.
The project has 3 electric generators installed at the site. The generator capacity is 41 MVA.
The project construction commenced in 1946 and subsequently entered into commercial operation in 1951.
For more details on Santa Giustina, buy the profile here.


The pump volute casing shall be of cast Iron grade FG260 as per IS 210/ISO 186 with vertical discharge port suitable for pumping liquids upto 50 deg. C.
The pumps shall have semi open impeller with material of construction of Cast Iron grade FG260 as per IS 210/ ISO 186.
The pump shaft shall be made of stainless steel as per ASTM A582 and grade of AISI 410. The Pump shall be supplied with mechanical shaft seal with material of construction of Carbon/Ceramic/NBR/AISI 304.
The pump shall be close coupled with dry submersible motor, having class F insulation, IP 68 protection, 2900 rpm, rubber sealed cable entry, with S1 duty for fully submerged and S3 duty for partially submerged, 1 phase, 240 volts, 3 phase, 415 volts.
All cast iron parts shall be CED (cathode electrode deposition) coated for corrosion resistance with uniform coating and controlled deposition thickness of 20-30 microns.
The pump shall be designed for liquids which are non-aggressive and non-explosive, with solids and fibers.
For clean water containing solids up to 10 mm grain size.
As a sump pump for household applications.
For draining flooded rooms or tanks.
Extractions of water from ponds, flowing water or pits for collection of rain water.


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Hydropower project's Search Results
China: Baihetan Construction Progressing
China Three Gorges Corporation has announced that concrete placement has been completed for the first dam section at the 16GW Baihetan hydropower project.
AfDB Approves $120m for Hydropower Project in Tanzania
The African Development Bank has approved $120million in funding to construct the 50MW Malagarasi Hydropower project in western Tanzania.
Ashkot Hydropower Project | Technical Details
On 6 December 2017 the AJ&K Council gave its consent to PPIB for further processing and development of the 300MW Ashkot HPP.
Karot Hydropower Project | Progress update
720MW Karot Hydropower Project is one of the prioritized implementation projects of the CPEC.
HEP Invests EUR 450mn in Mega Hydropower Projects Kosinj, Senj
Croatia’s power utility Hrvatska Elektroprivreda has started works on hydroelectric system Kosinj and hydropower plant Senj 2, with a total capacity of 412 MW.…
France’s Biggest Hydropower Project has been Commissioned
On 9 October 2020, the new Romanche-Gavet hydroelectric plant, France’s biggest hydropower project, was commissioned after 10 years of construction work.
EDF Commissions Its New Romanche-Gavet Hydroelectric Plant
On the 9th of October 2020, the new Romanche-Gavet* hydroelectric plant, France's biggest hydropower project, was commissioned after ten years of construction w…
Nepal: Construction of 40 MW Upper Chameliya Hydropower Project Starts
The construction of the 40 megawatt Upper Chameliya Hydropower project in Darchula district has started.
Plans Move Forward for the Atta Abad Lake project, Pakistan
Construction work on the 50MW Atta Abad Lake hydropower project in Gilgit Baltistan is likely to begin next year upon completion of feasibility studies.
Nigeria: FG Sinks $5.8bn in Mambilla Hydropower Project
The Federal Government has said that it has so far spent about $5.8 billion on the 40-year-old Mambilla Hydroelectric Power project.
Major Milestone Reached at Muskrat Falls Project, Canada
First power has flowed from the Muskrat Falls hydropower project, marking a major milestone for the 824MW project in Labrador, Canada.
Ethiopia’s Prime Minister Visits Koysha Hydropower
Prime Minister Abiy Ahmed of Ethiopia on Saturday visited Koysha hydropower project being built around Omo River.
China Southern Power Grid's First Fully Localized Pumped Storage Station Construction Project Completed
It took only 24 months, refreshing the domestic The fastest record for special acceptance of medium-sized hydropower projects.
Land Acquisition for Arun-III Transmission Line Starts from Nepal's Dhanusha
Land acquisition to construct a transmission line for Nepal's largest hydropower project, Arun-III, has been initiated from Dhanusha.
All Branches of the Diversion Tunnel of The SK Hydropower Station in Pakistan are Connected
The A7a branch tunnel of the main channel of the Pakistan SK Hydropower Project, which was invested and constructed by the China Energy Construction Gezhouba Gr…


£336.00 (INCL. VAT)
Premier Premier Bottle Jack 12tonne
Fitted with safety overload valve and manufactured in the EU.
All steel, one-piece base, reservoir and pump cylinder design gives added strength.
Telescopic pump handle for easy storage.
90° Rotating pump.
Fully serviceable ram piston with extension screw.
Service kit readily available.
Model No PBJ12
Hydraulic Lift: 150mm
Maximum Height: 452mm
Minimum Height: 227mm
Nett Weight: 8.65kg
Screw Extension: 75mm


Fairfax Water is currently working on Phase 2 of the new water main installation along Route 1. Construction on different segments of the highway are underway — including in front of Kings Crossing and the new vintage shop Evolution Home.
According to the webpage for the project, the installation is part of Fairfax Water's program to continually improve water service. Phase 2 of this project includes replacing the cast iron water mains on Route 1 with a water main made with stronger, long lasting materials and which will not be susceptible to water main breaks.
As expected, disruption to traffic has been minimal so far since it began in mid-August. All of the work is expected to be completed in fall of 2014.
Work Locations for September:
- Near the intersection of North Kings Hwy and South Kings Hwy — construction crews installing water main.
- At Kings Crossing Rd – construction crews installing water main in bore pits
- At Groveton St - construction crews installing water main in bore pits
- At Shields Ave - construction crews continue installation of water main south of Shields Ave
- At Southgate Dr - construction crews excavating bore pits


Project Description: This project was designed to divert stormwater from an existing channel along Old Waco Road which frequently overtopped and flooded the adjacent Thompson Addition. KPA’s design was to bypass the Thompson Addition by straightening the route from the upstream channel and provide a shorter, direct route to Pepper Creek. Hydrologic modeling indicated that because of the location within the watershed, the direct route to Pepper Creek actually lowered the peak water surface elevation of Pepper Creek. The drainage improvements included a 65-foot wide, grass-lined channel with access roads adjacent to the channel and one crossing to allow for maintenance operations. The project was completed at a final project cost of $458,440.
Scope of Services: KPA provided Final Design, surveys, right-of-way documents, TxDOT permitting, bidding, construction administration and on-site representation.


ClayTech BLUEVORT 7 Submersible Automatic Drainage Vortex Pump
Recognised for their reliability and performance BlueVort 7 has an open vortex design and can handle pumping soft solids up to 15mm. It has been designed as a multi-purpose submersible pump also suited for drainage and water transfer applications.
|ClayTech BlueVort 7 Technical Data|
|Power Absorbed (w) P2||180|
|Pump Max Flow Rate||135 L/min|
|Pump Outlet Size||1¼"|
|Max Solids Handling||15mm|


Top mounted, submersible pressure sensor for level measurement with ceramic measuring cell
- Product Code:
Low cost high performance, stable and rugged pressure transmitter perfect for sumps, pump control and boreholes
Submersible pressure transmitter with ceramic measuring cell
The VEGAWELL 52 is suitable for continuous level measurement of liquids. Typical applications are measurements in water/waste water, deep wells and in the shipbuilding industry.
- High plant availability through integrated overvoltage protection
- High reliability through maximum overload and vacuum resistance of the ceramic measuring cell
- Versatile use through robust housing and cable design


The Combined Water Supply Scheme to includes a ground level storage reservoir of 32.75-lakh-litre capacity at Ambur municipality, a common ground-level sump of 12.15-lakh-litre capacity at Melmonavur panchayat and ground-level sump of 7-lakh-litre capacity for Melvisharam Municipality.
At Ambur Municipality, water would be pumped from the sump to eight existing overhead tanks (OHT) and two to-be constructed OHTs of seven-lakh-litre and four-lakh-litre capacity respectively. It would cater for a population of 1,93,300.
For Melvisharam Municipality, it has been designed to pump 37 lakh litre of water a day. The population of the municipality is 51,900 and estimated population, in future 71,700.
At Melmonavur panchayat, water from the sump would be pumped to rural sumps and then to the existing 41 OHTs.


Drainage Channel MINI
The MINI drainage channel is a simple modular system for easy self-installation. The drainage channel does not require a concrete encasement (type I) and can be directly asphalted or paved.
The drainage channel is the ideal drainage solution for house and courtyard driveways, pedestrian areas and car parking spaces.
Ideal for paving
The straight external surfaces guarantee an easy and smooth installation.
The elements can be joined together easily and without sliding due to sensible profiling on the end faces.
The gratings can easily be locked with a simple click mechanism on the channel body.
Optionally with factory-made Ø110 borehole for PP pipe DN 100 for connection to the ground pipe.


Eskom (Johannesburg) has awarded Voith Siemens Hydro Power Generation (Heidenheim, Germany), a joint venture of Voith (Heidenheim) and Siemens (Munich, Germany), a contract to equip the Ingula pumped-storage power project being built on the escarpment of the Drakensberg mountain range near Ladysmith in the eastern part of South Africa. A USD 200 million investment will cover all electromechanical equipment with four 342MW motor generators and the complete automation and control system. The project is scheduled to go into operation in 2013. The power house will feed through a 2km headrace tunnel from the upper reservoir on the Bedford Stream, and a similar length tunnel will be built for the tailrace that will lead water into a lower reservoir near the Braamhoek River. A South African-Italian consortium, CMC Mavundla, is working on the main access tunnel contract for completion in 2009. B&E Quanza has the contract for quarrying and sub-base material and Afriscan Holdings has been contracted for water supply, sewage treatment, small access roads and building temporary Eskom offices. During the peak construction period, 2500 people will be on-site. The German and Japanese operating units of Voith Siemens Hydro will be joint partners in the project to design and manufacture the equipment. The motor generators will be supplied from Kawasaki in Japan and the pump-turbines from Heidenheim. The total project will take an investment of more than USD 1 billion, covering the construction of the two dams, underground water tunnels, an underground power house and the infrastructure of access roads and tunnels. Eskom has also received the necessary permits and environmental approvals for another pumped storage scheme, Project Lima, in the country’s northern province of Limpopo. The 1500MW hydropower station is planned for completion in 2014.


We are Manufacturer, Supplier, Exporter of Mixed Flow Pumps from Kolhapur, Maharashtra, India.
EMF pumps are single stage, horizontal spindle volute type foot mounted end suction pumps fitted with ball bearing & thrust bearings. The pumps are provided with a semi open type mixed flow impeller.
Delivery size - up to 650 mm
Capacity - up to 6000 M3/hr.
Head - up to 30 Mtrs.
Applications: These pumps are mainly used for handling Water for the application of Irrigation, fuel Injection, Spray, Cooling Tower etc.
Also known as Single Stage Centrifugal Pump, Single Stage Suction Pumps, End Suction Pump, Foot Mounted End Suction Pumps, Mixed Flow Pumps


The pressure level transmitter type 713 is used for continuous fluid level measurement of ground and drinking water. The compact design allows the transmitter to be used in applications with restricted access as small as 3/4 inch i.d. pipe.
As well as a current output the pressure level transmitter type 713 has been enhanced with energy efficient ratiometric and digital outputs making it ideal for battery powered applications.
The pressure level sensor 713 is based upon the well proven ceramic technology developed by Huba Control over 20 years ago.


The Geovalve® is a dual function valve for controlling abstraction of groundwater from, and re-injection into, an aquifer while maintaining a constant pressure in the system. The compact design makes it ideal for use in tight boreholes where bi-directional flow is required as it only requires a single line for both functions. The valve provides accurate control of the system pressure so it can also be used simply as an injection valve. The Geovalve® is connected to the discharge of the borehole pump and acts as a non return valve for the off duty pump. The borehole pump must be set at approximately 10 metres below the pumped water level to prevent aeration at the injection point. By injecting water, thus, a positive pressure can be maintained on the complete system. i.e. pipes remain full and no air is allowed into the water.
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Dismantling the pump in the workshop
After dismantling the pump, we noticed the pump case was corroded. Furthermore, pump shaft, bearing, bearing covers and mechanical seal are damaged. To be able sea the actual damage we send the pump to sand blasting.
Sand blasting the pump
Actual damage became visible after sand blasting. Pump case, pump covers and seal cover are damaged. In addition, holes are detected inside the case.
Machining wear ring housing and pump case surface
After sand blasting, wear ring housing and pump case surface machined. New wear ring is manufactured and replaced with old damaged one. New seals covers are manufactured and replaced with damaged ones. Ceramic coating applied inside the damaged pump case and cover plate.
New Shaft manufacturing & Machining impeller and wear ring surface together with shaft
The damaged shaft was replaced with new one. OD65x L 360mm AISI 316 shaft manufactured.
Impeller wear ring surfaced machined along with new manufactured shaft.
Impeller send to the balancing.
Renewing bearing & Renewing mechanical seal
Damaged 2 bearings are replaced with SKF7311. The damaged mechanical seal is also replaced.
The pump mantled with using new studs, washer and nuts.
Assemble and leak test the pump in the workshop
After assembly the pump tested to 15 bar pressure no leakage determined.


OMAHA, Neb. - Flood storage at Jamestown and Pipestem Reservoirs continues to fill as expected. River gages upstream of the reservoirs have crested; however, above normal flows are expected for the next few weeks.
Currently releases are 100 cfs at Pipestem Reservoir and 950 cfs at Jamestown Reservoir resulting in a combined release of 1050 cfs. These releases will be held steady through the weekend. Over the next few weeks, Jamestown Reservoir releases may be adjusted up or down depending on the inflows into the reservoir and the downstream channel conditions. However, the combined release is expected to be no higher than 1100 cfs unless significant rainfall is received. Throughout May and early June, emphasis is being placed on evacuating Jamestown Reservoir flood storage. Pipestem Reservoir flood storage will be primarily evacuated in June, July and August.
Pipestem Reservoir is currently at pool elevation 1464.8 feet which results in 25% of the flood pool occupied. Inflows are 600 cfs and dropping. Pipestem peak pool levels are forecast to be between 1466.6 and 1468.1 feet. Jamestown Reservoir is currently at pool elevation 1436.0 feet which results in 7% of the flood pool occupied. Inflows are currently 2100 cfs and slowly rising. Jamestown peak pool levels are forecast to be between 1437.9 and 1438.2 feet.
Residents along the James River downstream from Jamestown should monitor flood forecasts by the National Weather Service and make preparations as necessary to minimize damages from high river levels. Flood forecasts on the James River in North Dakota and South Dakota are available on the Missouri Basin River Forecasting Center website at http://www.crh.noaa.gov/mbrfc/.
A rapid deployable gage was installed on the James River near Adrian to provide river stage readings between Jamestown and Lamoure. Data from this gage and permanent gages on the James River in North Dakota and South Dakota is available on the U.S. Geological Survey website at http://nd.water.usgs.gov/floodinfo/james.html.
Release no. 20130509-001


다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.NTIS 바로가기
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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||137/72 ; 137/74 ; 251/167 ; 251/196|
|발명자 / 주소||
|출원인 / 주소||
|인용정보||피인용 횟수 : 6 인용 특허 : 1|
A valve (10) having an expansible gate assemblage of ported juxtaposed gate and segment members (18, 19) which are movable into sealing engagement with upstream and downstream valve seats (28) about the flow passage (12, 14) in the open and closed conditions of the valve wherein the valve includes pressure relief means which relieves excessive pressure in the valve chamber (11) into the upstream flow passage (12) when the environment in the chamber reaches a preselected temperature with the valve retaining capability of providing an upstream seal in the ...
In a gate valve having a valve body with inlet and outlet flow passages defining a flow way through said valve, a valve chamber in the body communicating with said flow passages, opposed aligned valve seats in said valve body surrounding the inlet and outlet flow passages and exposed to said valve chamber, an expansible ported gate assembly movably mounted in the valve chamber for rectilinear movement across said flow way between a first position wherein the valve is open and a second position wherein the valve is closed, said assemblage including ported...


Nangong 1 Hydropower Station
Nangong 1 Hydropower Station is located on the NamKan River in southern Attapeu province of Laos, which is the junction area of Laos, Vietnam, and Cambodia. As a tributary of the left bank of the SeGong River, the NamGong River flows from east to west. The dam site is about 53km away from the provincial capital of Attapeu Province highway,958km away from Vientiane highway, 464km away from Da Nang, Vietnam and 1167km away from Bangkok, Thailand.Nangong 1 Hydropower Station aims at flood control, power generation, irrigation, and tourism to promote local social and economic development. The main dam has a check flood level of 320.80m, and the corresponding storage capacity is 6.51×108 m3; The normal water level is 320.00m and the corresponding storage capacity is 6.33×108 m3: The dead water level is 280.00mand the corresponding storage capacity is 0.97×108 m3. The adjustment storage capacity is 5.36×108 m3, with multi-year regulation capacity.. The project is a second-class (2) type project. The main buildings are grade 2 buildings, the secondary buildings are grade 3 buildings, and the temporary buildings are grade 4. The installed capacity of power station is 160MW, the number of installed units is 2, and the single unit capacity is 80MW. The annual average power generation capacity of the power station is 633 million KW/h, and the installed utilization hours is 3,959h. Nangong 1 Hydropower Station is an important power source for Laos to buildSoutheast Asia “Power Storage”, and it is the backbone power source forLaos government to sell electricity to Cambodia, which is of great significance for Laos energy construction and development.


Hoeven: Army Corps FY2020 Work Plan Provides $100 Million in Construction Funding for Permanent Flood Construction in Fargo-Moorhead Region
WASHINGTON – Senator John Hoeven today announced that the U.S. Army Corps of Engineers’ Fiscal Year (FY) 2020 work plan includes $100 million for construction of flood protection in the Fargo-Moorhead region, fully funding the project’s construction capacity for the year. As a member of the Senate Appropriations Committee on Energy and Water Development, Hoeven provided increased funding for the Corps’ construction account enabling the project to be funded in the Corps’ work plan.
“This $100 million in funding will help us to advance construction of permanent flood protection for the Red River Valley and maintain the construction schedule for the project,” said Hoeven. “As a member of the Senate Appropriations Committee, we worked to provide funding in the Corps’ construction account to ensure that the permanent flood protection project in the Red River Valley would be funded in the Corps’ work plan.”
Today’s funding comes as a direct result of the senator’s work to secure increased construction funding for the Corps in the FY2020 Energy and Water Development Appropriations bill. Hoeven secured:
- $320 million in funding above the President’s request for construction of flood control projects. This increase enabled the Corps to provide $100 million in its work plan for comprehensive flood protection for the Fargo-Moorhead region.
In November, Hoeven hosted Assistant Secretary of the Army (ASA) for Civil Works R.D. James, who oversees the U.S. Army Corps of Engineers, in North Dakota to give him firsthand knowledge of the project and to help secure funding for the project in the Army Corps’ work plan. This $100 million in federal funding will help to fulfill the federal government’s increased funding commitment, which Hoeven helped secure under the new Project Partnership Agreement (PPA).
Hoeven’s previous efforts to advance comprehensive flood protection in the Red River Valley include project authorization, new construction start, the new PPA and other milestones.
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This project will reduce flooding near the intersection of Roosevelt Avenue and VFW Blvd. by means of a new storm drainage system in VFW Blvd. The storm drain will accept the water at the intersection and drain it to the San Antonio River. This project will be completed in two segments.
Segment 1: From Padre Dr. to the San Antonio River outfall; this was completed in January of 2013 prior to the completion of the Mission County Park improvements.
Segment 2: From Roosevelt Rd. to Padre Dr.; construction started in April 2013 and will include the construction of curbs, pavement, drainage inlets, sidewalks and the traffic signalization at the intersection of Roosevelt Ave.


Foundation stone for hydel power project likely to be laid in March
The State government is initiating steps to lay foundation stone to the proposed hydel power project during March this year, which is part of the multipurpose Polavaram Project.
Rajamahendravaram: The State government is initiating steps to lay foundation stone to the proposed hydel power project during March this year, which is part of the multipurpose Polavaram Project.
The power project will come up in Anguluru village of Devipatnam mandal in East Godavari district and the tribals in that village have been shifted. According to sources, the power project will be constructed at an estimated cost of Rs 3,220 crore with 960 mega watts power generation capacity.
Navayuga Engineering Company (NEC) will construct the hydel power project in 450 acres of land and NEC should complete it within 58 months after commencement of the work.
So far, 85,000 cubic metres of soil work was completed as against of 1.08 lakh cubic metres. Meanwhile, the company was directed to install three units in 40 months.
After using the water the power project will release the same into the downstream of Polavaram, because of this there will be regular water flow from the hydel power project along with spillway of Polavaram Project.
State government and NEC entered into MOU in December last year. Hectic activity is going on in the village and the hydel power project is coming up 42 km away in the upstream of Sir Arthur Cotton Barrage at Dowleswaram.


08 Sep Work on design and build of S. Hulhudhoo Harbour is underway
Work on design and build of S. Hulhudhoo Harbour is underway, with overall 68% project progress. The installation of precast concrete blocks and concrete works required for the quay wall are currently ongoing at the project site.
The S. Hulhudhoo Harbour project consists of; dredging and excavation operations of 88,623cbm; construction of a 114m breakwater; a 624m revetment; a 742m quay wall; 2,250 sqm of paved area and installation of streetlights. The value of the project is MVR 65.1 million.


China's hydropower construction in Qatar, the three water supply projects completed
July 13, China's hydropower Qatar GTC182 three water supply projects to the main office at the completion ceremony.
GTC182 project located in the northeast of the West Bank more than Harbin, Youmusala and Aer Huo three regions, the project started in October 2008, duration 32 months, the amount of approximately $ 140 million contract for design and construction turnkey contract. Major work includes the construction of six 600-million-gallon reservoir, 18 km of ductile iron pipe, with a capacity of seven new pumping stations and pump-affiliated facilities. GTC182 project is China's hydropower market in the Middle East and commissioned 13 Bureau to undertake the implementation of the first independent project, the project successfully completed by the owners, consulting praise, not only demonstrates the ability of the construction project team and the outstanding performance capabilities, but also for China water market in Qatar and the Middle East has won widespread praise for the China Resources Group in the Middle East regional follow-up market has laid a good foundation.


- Flood Warning issued July 09 at 9:35AM CDT until July 10 at 8:58AM CDT by NWS
- Effective: 9:35 a.m. on Wednesday, July 9, 2014
- Expires: 8:58 a.m. on Thursday, July 10, 2014
...The Flood Warning continues for the following rivers in
Missouri River at Waverly affecting Carroll...Lafayette and Saline
Missouri River At Miami affecting Carroll...Chariton and Saline
The Flood Warning continues for
The Missouri River at Waverly.
* until Thursday morning.
* At 8:30 AM Wednesday the stage was 20.1 feet.
* Flood stage is 20.0 feet.
* Minor flooding is occurring.
* Forecast...The river will continue to fall to below flood stage by
late this morning.
Location FS Stage Day/Time Forecast
Waverly 20 20.1 Wed 08 AM 19.5 this afternoon
- See more at NOAA


Bolivian officials secured funding of 25 million euros (US$33.8 million) from the Italian government May 31, allowing the construction of the Misicuni Dam multipurpose project to be launched sooner in Bolivia’s Cochabamba Valley.
When complete, the project is to provide water to the Cochabamba metropolitan area and is to irrigate more than 15,000 acres, in addition to the potential to generate hydroelectric power estimated at 120 MW.
Bolivia’s official Agencia Boliviana de Informacion said the funding will allow construction, initially to begin in mid-2008 to start in late 2007. Additionally, the dam is to be built to its full 120-meter height, instead of building an initial 85-meter-tall stage.
In addition to the Italian funding, Corporacion Andina de Fomento is to supply US$7 million and the Bolivian government is to provide US$6.5 million.
A Brazil-Bolivia consortium, Engevix-Caem was named to provide technical supervision of the construction of the dam and related works. (HNN 11/30/06) Final design is expected to be complete in July, followed by construction tendering.
For information, contact Empresa Misicuni, Calle Ismael Vasquez No. 664, Casilla 5639, Cochambamba, Bolivia; (591) 4-4533215; Fax: (591) 4-4533218; E-mail: firstname.lastname@example.org; Internet: www.misicuni.net.


Misicuni is a 120MW hydro power project. It is located on Misicuni river/basin in Cochabamba, Bolivia. The project is currently active. It has been developed in single phase. The project construction commenced in 2009 and subsequently entered into commercial operation in 2017.
|Project Type||Total Capacity (MW)||Active Capacity (MW)||Pipeline Capacity (MW)||Project Status||Project Location||Project Developer||Hydropower||120||120||–||Active||Cochabamba, Bolivia||Empresa Misicuni|
The project was developed by Empresa Misicuni. Empresa Nacional de Electricidad Bolivia and Korea Electric Power are currently owning the project.
The hydro reservoir capacity is 150 million cubic meter. The total number of penstocks, pipes or long channels that carry water down from the hydroelectric reservoir to the turbines inside the actual power station, are 1 in number. The penstock length is 3,800m. The penstock diameter is 1.6m. The project generated 270 GWh of electricity. The project cost is $142m.
The project construction commenced in 2009 and subsequently entered into commercial operation in 2017.
Rainpower was selected as the turbine supplier for the hydro power project. The company provided 3 units of pelton turbines, each with 40MW nameplate capacity.
Indar Electric supplied 3 electric generators for the project. The generator capacity is 49.5 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.


Triple eccentric butterfly valves with metal seats for the most demanding applications
Self-acting pressure regulators of inlet pressure, outlet pressure or pressure drop
Self-acting pressure regulators with possibility of use in demanding applications (higher temperatures, perforated plugs, cage guides…).
Angle design for optimization of the output flow in demanding applications
Design of internal installation for elimination of noise, cavitation and limit flow
2- or 3-way valve with shut-off function, option of manual or pneumatic drive
Stainless steel shut-off valve with increased tightness class, threaded design


|Client||Anglo American Quellaveco|
|Date||2020 - 2022|
Completion of works at the Vizcachas Dam, Titire Intake and construction of access roads to the Titire pumping station, dissipation pond, diversion channel and pumping station.
Titire Intake: Earthwork, concrete, shotcrete and electromechanical assembly.
Vizcachas Dam: Earthwork, concrete plug, gabions and talus protection, electromechanical assembly and substations.


Your Hydraulic Central Manifolds Supplier!
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- Hydraulic Center Manifolds
- Casting Manifold Endheads
- Hydraulic Power Pack Manifold
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Ningbo Target Hydraulic Valve Manifolds range includes Hydraulic Power Pack parts, Casting valve Blocks, Hydraulic Cartridge Valves, and so much more!
2D&3D drawing hydraulic manifold design drawing available for your new project. And you will get a very good hydraulic manifold block price for your requests.
Let’s Help Your Hydraulic Power Pack Units and Applications Business!
Different Hydraulic Aluminum Manifold Blocks
Hydraulic Central Manifold Applications (3)
Hydraulic Central Manifold Materials
Hydraulic Center Manifold Materials
- Die-Casting Aluminum: ADC12/A380
- Full Extruded Aluminum:6061-T6
- Iron Steels
Others customized Aluminum or steel materials.
Extruded Aluminum Cutting
The capacity of hydraulic central block Manifolds cutting:
- Square long block aluminum bar
- Round power pack manifold material
- Several big cutting machines
- 24 hours machine cutting
Manifold CNC Machining
Central Manifold Block Design and Machining ability
- UG/Solidworks 3D Design Softwares
- Computer Programing
- 3 shifts/24 hours/day
- 4 axis CNC machine with tool magazine
- More than 20+ big 4 axis CNC machine
Your Chinese Hydraulic Central Manifolds Factory and Supplier!
Whatever you need Italian hydraulic manifold, American hydraulic endheads, England manifold housing, or Chinese hydraulic manifold center blocks. You will get affordable Hydraulic Central Manifold cost prices from Ningbo Target Hydraulics.
|Working medium||Hydraulic oil|
|Max pressure||3600PSI(250 bar)|
|Hydraulic Central Manifold Material||Aluminum or Steel|
|Temperature:||,-30° F ~ +250° F (-35°C to +120° C)|
Target Hydraulics - Manifolds- Valves - Power Packs
Hydraulic Central Manifolds
Hydraulic Central Manifold Housings was a hydraulic manifold block at the centre of small hydraulic power unit, it is a hydraulic manifold which connect motor and pump/tank .This central manifold suppose to give both a single and double acting hydraulic circuits.
Each central hydraulic manifold block is designed to contain cartridge hydraulic valve cavities which are an Industry Common Cavities (ICC) size 3/4″-16UNF, size 8.
The screw in hydraulic cartridge valves functions:-
Cartridge Relief valve: standard valve adjustable from 40 bar up to 315bar
Flow control valve: control hydraulic cylinder speed, only control cylinder down speed if the hydraulic system is single acting application.
Cartridge Check Valve: Hold pressure in P line, keep single acting hydraulic cylinder stay.
Lowering Valve Cavity: This cavity normally fitted with a solenoid valve which can be normally closed ,sometimes with a normally open solenoid cartridge valve . Alternatively a manual lowering valve can be fitted to control the lowering with a handle lever valve.
Each Hydraulic Power Pack including a central manifold block for assembling hydraulic components.
The central hydraulic manifold block is designed mounting faces with 2 * M10 – 82mm threads.
Pressure and return connections thread are normally 3/8″ BSPP Ports, either 1/4″BSPP available . Sometimes we can add modular CETOP 03 valves using stackable valve manifold block to connect central manifold.
All of central manifold material is 6061-T6,some of them are just machining ,some others are die-casting hydraulic manifold .You can click here download Hydraulic Central Manifold PDF information.
Yes, Target Hydraulics offers you standard hydraulic power pack manifolds and also customized central manifolds.
The standard center manifold was made of aluminum, so, we advise your pressure no more than 210bar.
There is no MOQ with our standard design and products. There will be MOQ if you request your special design power pack manifolds,
Target hydraulics normally use Aluminum 6061-T6 or casting aluminum. Some other customized hydraulic manifold materials are also available.


Colchester Tornado T8MS Sub Spindle CNC Lathe with a capacity of 290 x 490mm. Spindle bore 65mm spindle speeds. Main spindle 5000rpm. Sub spindle 6000rpm. Equipped with hydraulic collet chuck – main spindle. Hydraulic 3 jaw chuck – sub spindle. MBF 1000 Magazine barfeed.
Manufactured in 1998, this used Colchester Tornado 310 CNC Lathe is equipped with hydraulic collet chuck, power tailstock, swarf conveyor and a parts catcher. 80mm bar capacity or 300mm diameter x 600mm long turning capacities. Available under power by prior arrangement at RK International Machine Tools.


Urban Utilities and our delivery partner, Diona, will construct a new 1.5ML water reservoir and water pipeline in Esk. Located at 104 Highland Street. the new reservoir will improve the reliability and resilience of the water supply network servicing the Esk township.
The project was estimated to start construction in early 2023 however, due to schedule changes and market supply issues the project has been delayed. We will advise when the project start date has been rescheduled.
Although there has been a pause in construction of the Esk reservoir, the initial investigations have had a positive outcome.
By doing network modelling and re-configuration, we were able to reduce the construction footprint by reducing the length of new pipeline to be installed along Highland Street by 600 metres. The pipeline will now run from the new reservoir site at 104 Highland Street.
Map of pipeline area
Currently we are doing hydraulic investigations and network checks in the region including Toogoolawah and Calcite reservoirs.
We are still working hard to get things moving despite the delays and expect construction to commence within the next few months. Construction should last approximately eight months subject to weather and site conditions.


Artistic II is a 57.4MW hydro power project. It is planned on Ushu river/basin in Khyber Pakhtunkhwa, Pakistan. The project is currently in permitting stage. It will be developed in multiple phases. The project construction is likely to commence in 2047 and is expected to enter into commercial operation in 2049.
|Project Type||Total Capacity (MW)||Active Capacity (MW)||Pipeline Capacity (MW)||Project Status||Project Location||Project Developer||Hydropower||57.4||–||57.4||Permitting||Khyber Pakhtunkhwa, Pakistan||Artistic Hydro II|
The project is being developed by Artistic Hydro II and is currently owned by Artistic Milliners.
The penstock length will be 340.79m. The penstock diameter will be 2.8m. The project is expected to generate 213 GWh of electricity. The project cost is expected to be around $74.615m.
Artistic II (Unit-1 and Unit -2) consists of 2 units of francis turbines with 23.9MW nameplate capacity.
Artistic II (Unit-3) consists of 1 unit of francis turbine with 9.6MW nameplate capacity.
The hydro power project consists of 2 generators each with 30 MVA nameplate capacity and one generator each with 12 MVA nameplate capacity respectively.
The project construction is expected to commence from 2047. Subsequent to that it will enter into commercial operation by 2049.
Power Purchase Agreement
The power generated from the project will be sold to Central Power Purchasing Agency under a power purchase agreement.
About Artistic Hydro II
Artistic Hydro II Pvt Ltd (Artistic Hydro II)specializes in power and electricity generation, transmission, supplying, production, and distribution services. The company is headquartered in Pakistan.
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.


On the construction of the Gorky hydroelectric station.. (1954)
Film-document №15033 1 part, Duration: 0:05:22, Black-white Price category A
Availability of videosources
Needs clarification of possibility of digitizing in HD.
Temporary descriptionConstruction of hydroelectric power plants. Concreting of the dam. Electric welders at work. Chief Construction DM Yurinov on the site.


A joint venture between John Holland and McConnell Dowell will begin work on transforming a gold mine into a pumped hydro facility.
The construction is part of Queensland’s Kidston Pumped Storage Hydro Project, which aims to provide energy security for the region.
The early works program agreement for the project includes hydraulic design for the hydro turbines to be used in the project and will be followed by prepatory works to set up the major project site.
The project aims to act as a natural battery storage, allowing energy to be stored and harnessed on demand. It will include an upper reservoir formed by a 20-metre-high dam around the existing Wises Pit, a lower reservoir utilising the existing Eldridge Pit, a powerhouse cavern with the capacity to generate 250 megawatts, a tailrace allowing water to pass from the powerhouse to the reservoirs and a spillway from the upper reservoir to the Copperfield River.
Financial close for the project is expected in early May 2019.
- EOI open for $500M water infrastructure funding
- Infrastructure Australia unveils $58B project pipeline
- Major QLD dam to undergo $20M upgrade
John Holland CEO Joe Barr said the project would be a game-changer for Queensland.
“This is an important project for the state, and for Australia, to make sure future generations have access to reliable, cost-effective, and clean energy,” Barr said.
General Manager QLD/NT Rob Evans said the energy generated by the project would be supplied to the national grid and provide storage for Queensland.
“This has the potential to create more than 600 jobs during construction and is an innovative solution that will boost the local economy while securing reliable, renewable energy,” Evans said.
The project is expected to be completed by 2021.


Design : SWMD: Idle Brook Bankfull Wetlands
Jul 3, 2023
Sustainable Streams, LLC
06-30-2023 - 12-30-2024
This project will construct bankfull wetlands alongside Idle Brook, Yellow Creek and West Fork to provide for up to 46 acre-feet of floodplain storage volume. This will reduce flooding downstream, reduce flow velocities in the stream (reducing erosion) and create improved habitat for flora and fauna.
This project is in the design phase.
In Bath Township benefitting Yellow Creek Watershed.


Ten post dostępny jest także w języku: polski
The State Water Company (PGW) Wody Polskie signed a contract with DHV Hydroprojekt for the design of the Lubiaz dam on the Odra River. The value of the contract is about PLN 13.2m.
The contract for the design of the water barrage was signed with the Lower Silesian Voivodship Office in Wroclaw. Signatures were signed by Przemyslaw Daca – President of the State Water Management Authority and members of the DHV Hydroprojekt Management Board as contractors.
The project for the construction of the Lubiaz dam is to be completed by the end of the first quarter of 2023. The consortium of DHV Hydroprojekt as the leader and Energoprojekt Warszawa and Hydroprojekt Wrocław will be responsible for preparing the construction and executive design. The value of the project was estimated at over PLN 13m.
Value of PLN 400m
The completion of the construction is scheduled for 2027. The value of the investment is estimated at PLN 400m. The project will include a four-span weir, a two-chamber shipping lock, a fish ladder and a hydroelectric power plant.
The main objective of the investment is to improve navigation conditions and flood safety. The building is also to inhibit the erosion process in the Odra riverbed below the Malczyce dam and to protect it against washout and loss of stability. It will also enable the restoration of the original groundwater level and will prevent the drying out of the adjacent areas, thus protecting the riparian forests.


Fire Protection Pressure Relief Valve Model 2050B-4KG-1, UL/ULC. Listed, Angle pattern, Factory mutual approved, Fast opening to maintain steady line pressure, Accommodates wide range of flow rate, Closes gradually for surge-free operation, Adjustable pressure settings, Not affected by pressure at valve discharge.
This valve is designed specially to automatically relieve excess pressure in fire protection pumping systems. Pilot controlled, it maintains constant system pressure at pump discharge within very close limits at demands change.
STANDARD MATERIALS: Body & Cover: Ductile iron ASTM A-536, Trim: Bronze seat - Teflon coated - Stainless steel stem - Delrin sleeved, Pilot control system: Cast bronze with stainless steel trim
Other optional materials are available upon request.
END DETAILS: 150 and 300 ANSI B16.42
PRESSURE RATINGS: Class 175 psi max. OR Class 300 psi max, Water to 180 F max.
ADJUSTMENT RANGE: Available in two relief pressure ranges: 20-200 psi (150 class), 100-300 (300 class)
Optional: Protective epoxy resin coating of wetted surfaces of main valve cast iron components (UL listed HNFX EX2855)


Probabilistic analysis in surface water hydrology: Open drainage channels and detention basins
Garza, John David
Master of Science
A reliability-based method for analyzing open drainage channels and detention basins using the full marginal distributions of uncertain parameters together with correlation coefficients will be presented in this work. A first and second order component reliability analysis will be performed using the computer program CALREL. Reliability results can be used both in performance and safety assessment of existing structures and in designing structures for a target reliability level. For the case of an open drainage channel, the computed reliability index will be compared with the usual safety factors of design, and a comparison will also be made of the reliability indices obtained using different runoff formulations. For the case of a detention basin, reliability results will be used as a design tool in the sizing of detention basins. The interaction of channels and basins will also be addressed.


road drainage channel / cast iron / slot
Kenadrain® channel drain range is developping with the new design for the cast iron grid in 100 to 300 mm wide, intended for curbs and roads (resistance class C250 & D400).
Aesthetic and functional: innovative design, black matt colour
Safe : complies with disabled people accessibility requirements, anti-sliding
Robust: complies with NF EN 1433
Practical: lockable, grating delivered already mounted on the drainage channel
Durable : resistant to the main chemical agents
High-performance : excellent hydraulic capacity


TELLARINI GAEM 12 with 24L TANK – 230V
This range of pressure boosting pump sets has been designed to provide a constant water pressure regardless of fluctuating supply and demand.Pressure sets are based on the JIM and JIT self priming, stainless steel pump ranges and are suitable for domestic, industrial and agricultural clean water applications up to 60°C.
Application Features Of Tellarini GAEM 12/24L TANK-230V
The system includes pump, 24 litre steel pressure tank, flexible hose, pressure switch, pressure gauge,5-way brass connection, and a short power lead.
Application Of Tellarini GAEM 12/24L TANK-230V
– Maximum operating pressures to 6 Bar with typical applications
– including boosting low mains pressure;
– working in conjunction with holding tanks and wells;
– storing water under pressure to cope with peak demand.
– Pump body: AISI 304 Stainless Steel
– Shaft: AISI 316 Stainless Steel
– Diffuser all models: Thermoplastic
– Impeller models 5, 6 and 8: Thermoplastic
– Impeller model 12: AISI 304 Stainless Steel
– Mechanical Seal: Ceramic/ Graphite/NBR
– Continuous duty, 2800rpm motors with Class F
– insulation, IP44 protection.
– GAM 230/1/50 with inbuilt thermal protection. Alternative GAT 400/3/50


Lake Okeechobee water releases to decrease
Another reduction in water releases from Lake Okeechobee will take effect this weekend.
The U.S. Army Corp of Engineers Jacksonville District announced the flow decrease take effect at 7 a.m. Saturday.
The new target flow from the lake to the Caloosahatchee Estuary is 4,000 cubic feet per second; while the new target flow for the St. Lucie Estuary is 1,800 cfs.
Under the Lake Okeechobee Regulation Schedule, the Corps strives to keep the lake level between 12.5 and 15.5 feet.
Lake Okeechobee water releases became necessary to keep water levels from getting too high and putting additional pressure on the Herbert Hoover Dike.


Fabricated Hydro Jet Flow Gate Valves are precision manufactured throttling valves designed for high pressure / high head service to 400 psi. Built to U.S. Bureau of Reclamation specifications or designed for your application. Split body design with stainless steel gate, bronze gate guides and bronze seat ring. All components are fully machined for precise alignment. The bronze seat ring is tapered to direct the flow inward and prevent cavitation. Downstream side of the valve is larger than the upstream side for protection from cavitation. The valve is used primarily for free water discharge and flow control on dams and reservoirs. Unique features permit the valve to open smoothly in free discharge conditions, where there is pressure on the upstream side and zero pressure on the downstream side. Precise throttling capability from 0-100% range. Discharge hoods available.
Jet Flow Gate Valves (H-2500) Specifications
up to 400 psi
Metal or Resilient
Valves are normally supplied with epoxy coated carbon steel body with bronze seat ring and stainless steel gate. Other material available upon request.


In this paper, one-dimensional, unsteady and cross-sectionally averaged Saint-Venant-type model was used for flow modeling in tidal river network of Pearl River Delta, China. A three-staged approach is employed for the solution of river network hydrodynamic equations. To model the influence of an accident release of high cadmium concentration in upstream of Pearl River Delta, a cadmium model in considering the exchange between water and sediments was coupled with the hydrodynamic model. The river network was divided into 582 calculated river reaches with length ranging from 500 m to 2500 m. With a time step of 10 min, the hydrodynamic model and cadmium model were respectively calibrated and verified. Modeled stage/discharge and cadmium concentration were found matching well with the measured data. The roughness of river reaches in Pearl River Delta was calibrated to be 0.016 to 0.044. Several scenarios of accident release of pollutants with high cadmium content were modeled. Distribution of cadmium concentration at selected sections under accident release in river network of Pearl River Delta were given. The modeled results put forward a base to deal with pollution accident in Pearl River Delta where important water source sites are located.
one dimensional hydrodynamic model
Pearl River Delta
tidal river network


1. Crystal Lake Outlet Modifications
Crystal Lake has one outlet which controls the discharge of Crystal Lake to the downstream storm water system. In order to reduce the drawdown time of Crystal Lake, it is proposed that the existing outlet structure be removed and a new outlet structure be installed. The proposed new outlet structure will increase the drainage rate out of Crystal Lake which is estimated to help Crystal Lake drawdown roughly 37% faster allowing for shorter high water and No-Wake periods.
2. New South Twin Lake Outlet
In order to reduce the high water level and duration of flooding of South Twin Lake and North Twin Lake during significant rainfall events, it is proposed that a new outlet structure be installed at South Twin Lake. The existing outlet will remain in place as it provides a critical connection to North Twin Lake. The new outlet structure will be similar in design to the outlet structure that currently exists on the west side of North Twin Lake. This outlet structure is estimated to lower the high water levels of both North and South Twin Lake during flood events. The new outlet structure will also reduce the duration of flooding by up to 29%. A second outlet is critical because in the event debris builds ups, North Twin Lake can rely on this outlet without reduction in capacity.
3. Regional Pond Expansion
The regional pond, just north of North Twin Lake is proposed to be expanded to create additional live storage to reduce flooding within Twin Lakes. This expansion is proposed to reduce high water levels and the duration of flooding within Twin Lakes. In addition, a townhome development is being proposed for the area directly west and north of the regional pond. This expansion will also help to ensure that there will be no negative impacts to the Twin Lakes system as a result of the townhome development. Costs for this portion of the project will be shared with the PUD developer.


Author(s): W. Czernuszenko; A. Rylov
Abstract: A comparatively simple model for calculation of the three-dimensional, stationary velocity field is presented. The model is able to calculate the streamwise velocity distribution as well as the secondary flow in a cross-section of regular channel. The Reynolds equations are closed by a new anisotropic turbulence model which consists of two sub-models: one for the shear stresses and the other for normal stresses. The numerical solution of the parabolic approximation of the model equations gives reasonably good secondary flow patterns as well as the longitudinal velocity distribution in the channel cross-section.


Takoradi Dredging Set for December
The Takoradi Port dredging program is scheduled to begin next month, according to the Director of the Takoradi Port, Capt. James Owusu Koranteng.
The dredging works will be underway from December 10, 2014, until March 2015, followed by the construction of the quay wall which will end in 2016.
Belgian dredging and marine construction giant Jan De Nul will undertake this capital development project.
The Takoradi Port expansion scheme will involve construction of oil services terminal, reclamation of land area of 53,000 hectares, dredging of an access channel and construction of a bulk terminal.
When finished, the project is expected to position the port to receive bigger vessels, improve the turnaround time and eliminate double handling of cargoes.
Dredging Today Staff


Many rivers in Indonesia can be used as source of mini/micro hydro power plant using low head turbine. The most suitable type of turbine used in fluid flow with low head is the Archimedes screw turbine. The Archimedes screw hydro turbine is a relative newcomer to the small-scale hydropower that can work efficiently on heads as low as 10 meter. In this study, the performance of Archimedes water turbines that has different blade numbers that are thoroughly evaluated to obtain proper blade configuration. For this purpose, numerical simulations are used to predict the pressure changes that occur along the turbine. The simulation results show that turbines with an amount of two blades have more sloping pressure distribution so that it has better stability.


Pressure Safety Valve
Pressure Safety Valve, when pipeline pressure rises to set pressure, the valve opens fully and release medium in the pipeline until pipeline pressure drops to a predetermined value. To differentiate it from Pressure Relief Valve, Safety Valve’s outlet is one size bigger than inlet, as a safety measures for sudden and full release.
Pressure Relief Valve
Pressure Relief Valve, when pipeline pressure increase above set pressure, the valve opens gradually proportional to pipeline pressure until pipeline pressure drops to a predetermined value. To differentiate it from Pressure Safety Valve, Relief Valve’s has the same size as both inlet and outlet.
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