To overcome the problem of flood, low groundwater level and revive ponds and lakes, the state government has approved the construction of a 170 km long channel that will connect the Gandak and Ganga river together.
Department experts noticed that, In the month of June the water level in Gandak river rises. However, at the same time, the water level in Ganga river decreases. Also, due to rising water levels in Gandak river, some districts like Gopalganj and Siwan became prone to flooding. To solve both the problem (and few more), the state government decided to build a channel that connects both these rivers.
About this project, the water resource minister said:
The project is the result of our state’s chief minister’s long vision. The State CM (Nitish Kumar) asks us to bring a solution to overcome floods and guide us to connect the Ganga and Gandak river together.Sanjay Kumar Jha
This project will not just prevent flooding in different districts but will also increase the ground water level.
The department is expected to complete this project by October 2024.
Currently, the workplan and tender of this project is completed and soon the result starts looking at the ground level.


Datos del Proyecto
Cliente: Ente Público del Agua de la Región de Murcia
Localización: Murcia | Spain
Área de Negocio: Integrated Projects (Environment)
Descripción del Proyecto
Included in the contract for the design and construction of the Escombreras desalination plant for the production of drinking water, the following associated water distribution works were carried out:
• Water collection with open intakes: intake structures, pumping and impulsion station of 1,577m < 1,400mm GRP, pumping of drinking water to the regulating tank 5,128m> 1,000mm of ductile iron pipe.
• 25,000 m3 reinforced concrete regulating tank “in situ” with two independent chambers and chlorine dosing system.
• High capacity distribution network formed of 18,5Km, 700mm and 32,9Km, 1.000mm concrete pipe with sheet metal and cast iron jacket.
• 908m, 710mm HDPE offshore brine discharge outfall.


Ilam, Oct 8: Almost 98 per cent works of Upper Mai Hydro being constructed by Mai Valley Hydropower Pvt Ltd at Mawu and Maimajhuwa VDCs of Ilam district have been completed.
The Hydropower Company has noted that it has set the target to complete the construction works and start generating electricity in between Dashain and Tihar festivals.
The construction of the 10-MW capacity hydropower project that started around six years ago has almost come to the completion.
Shanker Mani Pradhan of the project shared that the task of putting up wires has been intensified after completing important works of fixing head box, tunnel and powerhouse.
He further informed that the construction of 55 towers from power house to sub-station of Godak is gaining momentum.
Panchakanya Group and Nabil Bank including four other banks are investing for the project which is estimated to be accomplished at total cost of Rs 1.9 billion.


There are fundamentally two ways to measure level of a fluid in a vessel, which are:
- Direct level measurement
- Inferential level measurement
Float, magnetostrictive, retracting, capacitance, radar, ultrasonic and laser level measurement falls under direct level measurement technique, whereas weight and differential pressure level measurement comes under inferential level measurement technology.
Differential pressure level sensors or Differential pressure transmitters are probably the most widely employed devices for the purpose of level detection. “Using DP for level is really an inferential measurement.
A DP is used to transmit the head pressure that the diaphragm senses due to the height of the material in the vessel multiplied by a density variable.”


- The project involves the construction of storm water drainage tunnel in Doha, capital of Qatar.
- The Contract has a value of approximately 100 million EURO.
Milano,24 ottobre 2012. Impregilo has won the tender issued by the Public Works Authority of Qatar for the design and build of a storm water drainage tunnel for the collection of the surface and groundwater in the city of Doha, capital of Qatar.
The contract has a value of approximately 100 million EURO.
The project involves the construction of a main 9.5 kilometre water collection tunnel with an excavation diameter of 4.5 metres, and the construction of 21 access shaft.
The excavation of the tunnel will be executed with the use of two Tunnel Boring Machines (TBM).
The work will be completed in about four years.
Impregilo has been working successfully for many years in the Middle-East and is currently involved in Abu Dhabi in the construction of much of the so-called STEP Project (Strategic Tunnel Enhancement Program). This is a hydraulic tunnel of 40 kilometres of total length, 25 of whose are being built by Impregilo. The project will allow the collection to a treatment plant of the city waste water.


PREMIER 6560 SERIES
Compact, High Pressure, Hydraulic, Pressure Reducing Regulator
Premier 6560 Series pressure reducing regulators are your affordable and compact solution for high pressure hydraulic applications. These rugged, piston sensed regulators are designed for inlet pressures up to 10000 PSIG (689.48 bar). They feature a wide range of delivery pressure ranges up to 10000 PSIG (689.48 bar), and include a tamper resistant captured vent.


Hyderabad: The Hyderabad Metropolitan Water Supply and Sewerage Board (HMWS&SB) has lifted four gates of the Osman Sagar. Due to the continuous rains in the last few days, the reservoir is receiving abundant inflow and the gates were lifted to drain the excess water into the Musi River.
On Saturday, the water level at the reservoir was recorded at 1,788.80 feet against the FTL of 1,790 feet. The reservoir capacity is 3.90 TMC and on Wednesday the water level was 3.62 TMC. The water body is receiving 1,100 cusecs of inflow.
HMWS&SB officials said in a press release that the India Meteorological Department (IMD) has predicted rains for three more days, following which the decision to open the gates was taken. HMWS&SB Managing Director Dana Kishore asked people living near the Musi catchment area to be alert.


The first hydropower project along the China-Pakistan Economic Corridor, the Karot hydropower station, started commercial operation on Wednesday, said the China Three Gorges Corp.
Located on the Jhelum River, the major project, with a total installed capacity of 720 megawatts, focuses on energy cooperation under the China-Pakistan Economic Corridor. It is expected to generate some 3.2 billion kilowatt-hours of clean electricity per year and will provide stable and cheap energy to Pakistan to meet the electricity demand of roughly 5 million residents, it said.
The project will reduce carbon dioxide emissions by around 3.5 million tons per year while effectively alleviating Pakistan's power shortage.
The company has provided infrastructure such as clean energy supplies to more than 40 countries and regions around the world, with a total overseas installed capacity of about 18 million kilowatts, it said.


The submersible multichannel "high performance" pumps with self-cleaning blade profile can be used in almost any application; they are mainly used for the pumping of domestic effluent containing solids and fibrous materials, process water, civil and industrial sludge, waste water sumps in general.
Submersible electric pumps, robust in construction, watertight electric motors accommodated in compartment, connected, by shafts of reduced lengths, to the impellers situated at the pump casing by the interposition of oil chamber between the hydraulic side and the electric motor.
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Status November 2012:
The power plant is now fully regulated and ready for operation! Some outdoor work still remains down by the power station and the lower part of the waterway.
Status September 2012:
The power plant has been on the grid! So far, the trial run has been satisfactory, so the power plant will be on the grid soon. The construction work is nearing completion. There is still some work left on the river up at the intake, as well as some outdoor work needed by the power station. We expect regular operations at the power plant by October.
Status as of December 2011:
Casting of the dam and intake is in the final stages. The GRP pipes have been laid, and a trench has been blasted all the way up to the dam. The upper part of the penstock, which consists of PE pipes, are currently being laid. All concrete work at the power station is finished. Assembly of the generator and superstructure will be completed during December.
Status November 2011:
The landowners are in the process of clearing the forest and preparing for the start of construction. Construction work will begin in the new year and the plant is expected to be in operation by February 2012.
The Torvikelva power plant will have an installed capacity of about 1.3 MW, and a flow rate of 1.65 m3/s, and it will be able to produce about 3.33 GWh during an average year. The operating waterway from the intake dam to the station will consist of about 1070 metres of pipes leading to the station. The power station will be placed on the ground.


vita construction company lagos
June 2010 - Present Day (7 years 2 months)
- Manual design of the sloping of a drainage system using the inlet and outlet invert levels.
- Calculation of the cost of construction of the drainage system using Civil Engineering Standard Method of Measurement.
- Establishment of level from the bench mark for the flooring of the drainage system.
- Setting out of horizontal and vertical structures such as culvert, drainage, industrial and residential buildings.
- Manual design of simple building elements such as slabs, beams, columns and staircases.


Improvement of the Belenska River, Ruse Region
The project involves renovation of existing and construction of new retaining walls, restoration of the foundations of bridge facilities, cleaning and improvement of the Belenska river basin.
The construction envisages the construction of a new reinforced concrete riverbed with a total length of 1096m.
The main construction and assembly works are: construction of new gabion retaining walls -1550 m3, reinforcement laying - 225,000 kg, formwork - 5320 m2, concrete - 3880 m2, shotcrete -114 m3, delivery and laying of rock fraction - 7220 m3. Renovation of existing retaining walls, by plastering with high-strength sanitizing solution - 1250 m2. Restoration of the joints of the masonry retaining walls - 860 m2.


Two-Speed Lightweight Hydraulic Hand Pump - 2L Reservoir
Product Code: C1017130-s
The HP manually operated pump range offers a choice of single or two speed operation and all models are supplied complete with a pre-filled oil reservoir, ready for immediate use. The ideal solution for applications where completely independent, portable hydraulic power is required.
- Factory set safety relief valve. External Release Valve.
|Suppliers Part Number||HP232|
|Working Pressure: Ba||700bar|


Draw Down Completed
For the upcoming reconstruction of the gated spillway and installation of a third hydroelectric unit on the Black River, the water levels have been decreased by 6 inches a day, a total of roughly 14 feet.
The project demolition, reconstruction, and installation of the low flow hydroelectric unit is expected to begin near the end of 2009 following final approvals. The project is expected to be completed in April of 2011.
Take a look at the interesting pictures taken of the current dam, as well as areas of the riverbed exposed during this low water period by viewing our Utility Issues page.


Kamu Pro 300W 8,500L/hour Auto Submersible Drain Pump
Kamu Pro 300W 8,500L/hour Auto Submersible Drain Pump..
The Kamu Pro KMD-300A submersible pump can be used for mobile or stationary drainage thanks to the practical integrated carrying handle and the low weight of only around 4 kg. With its 300 W power, a delivery head of max. 6m and a flow rate of up to 8,500 l/hour, pumping out and transferring water is done in no time. The pump outlet integrated in the large pump base ensures best performance. Flexible thanks to the screw-on combination connector on the pump outlet. The pump outlet has a size of 1.25 inches, which corresponds to about 41.9 mm.
.Adjustable switching height thanks to adjustable float switch
.With adjustable pump foot
.Integrated pump outlet for best performance
.Solid equipment with stainless INOX pump shaft
.Stable stand with large pump foot
Brand Kamu Pro
Model KMD-300A (Auto float switch)
Type submersible drainage pump
Source 240V 50Hz (1-Phase)
Max. capacity 8.5m3/hour / 141L/min
Max head 6mtr
Max. submerged depth 5mtr
Max. grain size 25mm
Outlet connection G 1-1/4-inch / 32mm
Cable length 10mtr
Protection IPX 8
Warranty 12 months
PRICE RM280.00..(Kamu Water Pumps)..
MY Power Tools (002051714-K)
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Philippine Star, 23 February 2009
Taipan to invest over $700 million in hydro power plants
By Donnabelle L. Gatdula Updated February 23, 2009 12:00 AM
MANILA, Philippines – One of the country’s taipans is planning to invest over $700 million to put up hydro power facilities in Luzon and Mindanao, well-placed industry sources said.
“A group of investors, including a taipan, is putting up hydro power plants in several locations in Luzon and Mindanao,” the sources said yesterday.
They said the consortium is now in the process of conducting land surveys in preparation for the construction of a 332-megawatt (MW) hydro power facility in Luzon.
This capacity, the sources said, could be expanded up to another 300 MW.
According to sources, the taipan really wants to take an active role in the government’s effort to develop renewable energy (RE) sources.
“Hydro power is clean and renewable,” the sources said, when asked why the taipan chose to build a hydro power facility.
There are over 40 indicative hydro power projects that are listed in the Department of Energy’s Philippine Energy Plan (PEP) which will generate 1,025 MW.
The Metro Luzon Urban Beltway and Mindanao regions host the bulk of the potential projects with a total capacity of 368 MW and 369.8 MW, respectively.
The biggest indicative project based on the PEP is the 360 MW expansion of CBK Power of the Kalayaan Pumped Power Storage in Laguna which is expected to be completed in 2011.
Another huge hydro power project expected to be completed in 2011 is the Salug Daku hydro power plant in Saguiaran, Lanao del Norte.
The PEP indicated that there are already 14 hydro power projects with feasibility studies all over the country. These projects are estimated to provide an additional 255.2 MW to the country’s hydro power capacity.
The projects are being undertaken by various developers. These are: Solutions Using Renewable Energy (SURE); Province of Biliran; PNOC-EDC/Soluziona, Chase Makros Management Inc. (CMMI); Benguet Power Resources Development Corp.’ First Gen Visayas Hydro Power Corp.; and the Sta. Clara Power Corp.
The DOE noted that two of these projects will proceed to the construction phase. These are: Colasi in Mercedez, Camarines Norte; and Sipangpang in Cantilan, Surigao del Sur projects with a potential capacity of 1 MW each. Both projects are expected to be completed this year.


Water tank level transmitter
Water tank level sensor
Category / Water Level Sensors Edit
Pressure level gauge
Overview: DATA-51 series pressure type water level gauge is made of advanced isolated diffusion silicon sensitive components. It can be directly put into the container or water body to accurately measure the height from the end of the water level gauge to the water surface, and the water level value will pass 4–20mA. Current or RS485 signal is output externally.
Pressure level gauge
Pressure level gauge atlas
¡ô High sensitivity, response time ≤ 1ms.
¡ô High accuracy level up to 0.1 level.
¡ô All stainless steel sealing structure, IP68 waterproof.
¡ô Polyurethane air guide cable, high temperature resistance, corrosion resistance.
¡ô Small size, easy installation and delivery.
Range: 0 to 5, 10, 15, 20, 25, 30m or custom
Accuracy class: 0.1% FS; 0.5% FS (optional)
Stability performance: ±0.05% FS/year; ±0.1% FS/year
Overload capacity: 150% FS
Zero temperature coefficient: ±0.01%FS/°C
Full-scale temperature coefficient: ±0.02% FS/°C
Protection level: IP68
Output signal: RS485, 4-20mA (optional)
Power supply: 9V to 36V DC
Ambient temperature: -10°C¡«80°C
Storage temperature: -40°C¡«85°C
Structural material: Housing: Stainless steel 1Cr18Ni9Ti
Sealing ring: fluorine rubber
Diaphragm: Stainless Steel 316L
Cable: φ7.2mm polyurethane special cable
Input water level gauge
Input level gauge
Pressure-type water level meter DATA-51 series electrical connection diagram
Pressure-type water level gauge DATA-51 series electrical connection diagram atlas
Float water level meter
The principle is that the float senses the rise and fall of the water level. A general water level meter that directly makes a float transmission recording structure with mechanical means has a teletype, a digital water level gauge that converts the amount of rotation provided by the float into an incremental electric pulse or a binary coded pulse for long-distance transmission, and also uses miniature floats and many Reed switch composed of digital water level gauges. The most widely used is the mechanical water level gauge. The application of float-type water level gauges requires logging equipment and is only suitable for use in river sections with stable slopes and low sediment concentration in riverbeds.


Document Type: Research Paper
M.Sc. Graduate, Water Engineering Department, University of Birjand
Associate Professor, Water Engineering Department, University of Birjand
Assistant Professor, Water Engineering Department, University of Birjand
Ph.D. Graduate, Hydraulic Structures Department, Shahid Chamran University of Ahvaz
Lateral intake is a structure constructed next to a main channel to divert part of the flow within the channel. The separated area of the flow in the entrance of intake channel has no effect on flow discharge while reduces the effective cross-sectional area of the intake, as well as the bed load, which enters the intake due to low velocity flow deposits in this area. Thus, knowing the dimensions of the separated area at the intake channel entrance is particularly important. In this study, flow separation zone was calculated at the intake entrance of 90 degree in three depths of 3, 6, and 12 cm from the bottom of the channel for discharge ratios of 0.2 and 0.4, 0.6 and 0.8 in five turbulence models using three-dimensional Flow-3D model. In order to determine the accuracy of the model in predicting the dimensions of the separated areas, the obtained results were compared with the results of the physical model. Streamlines were drawn and dimensions of the separated areas were determined. In comparing results between the laboratory observations and the predicted ones by numerical model, Reynolds Normal Group model (RNG) had better predictions, with a correlation coefficient of 0.97, root mean square error of 3.16, and a mean absolute error of 2.3 cm, than other turbulence models.


Kingdom Culture Christian School
Retention of the existing auditorium and heritage dwelling, extension of the existing basement carpark and an addition of a new 2-storey building to accommodate 6 new classrooms for approximately 200 students to the existing school.
S&G Consultants completed the stormwater drainage design at DA stage and completed the stormwater drainage design, public domain civil works and flood management plan at CC stage.
19 Dowling Street, Arncliffe
Paynter Dixon Constructions


September 2015 -
City of Rifle
To install a new automated sewer screen at the south waste water pumping station. This involves installing a new bypass line with a new concrete structure and installing a new manual bypass screen and a new automated screen. The project is slated to be complete in November.


On August 25, 2022 a group of 15 industry professionals took a tour of the Charleroi Lock and Dam, a project owned and operated by the U.S. Army Corps of Engineers.
The lock is on the lower Monongahela River and is currently being modernized to include a new, larger River Chamber which will better accommodate today’s river traffic. Participants learned about several unique construction means and methods required for the project while viewing active construction within the dewatered lock chamber. Attendees were also treated to panoramic views of the construction site from the top of the new control tower. The existing lock chambers were constructed in 1932 and the new lock chamber is expected to be completed in 2024.


Timber outlet structure (1955) - design to prevent sea from filling the outlet channel with shingle.
Description of option
An outlet structure to prevent the sea from filling in the outlet channel with shingle.
Opening, closing, and lake level control description
An outlet structure designed to assist with mechanical opening reliability and reduce effort required to excavate opening.
above 300 cumecs
Construction cost est:
1955: Timber = 90,000 pounds, or Steel sheet piling return walls = 94,000 pounds
1969: Timber = 157,500 pounds or $315,000 (Dalmer, 1970).
Fish passage benefit rating
Potential running impacts or benefits
Intended to improve mechanical opening reliability and reduce effort required to excavate opening.


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Water Level Controls
These universal electronic water level controls provide precise wave action compensation and water level control. Modular, quick connect design uses no mechanical floats. Choose from controls with high and low level alarms, high level alarms, fill height only alarms and combination styles. Water level controls from Grainger resist moisture, dust and corrosion. Shop today!Close


Nile Dam second turbine begins producing power | Abiy Ahmed historical speech | Ethiopia | Abay Dam
The inauguration ceremony of the power generation by the second turbine of the Great Ethiopian Renaissance Dam (GERD) is underway.
Accordingly, GERD’s Unit 9 will start operation today with the capacity to generate 270 MW electricity.
Unit 10, which generates 270 MW of electricity, started generating power last February.
Combined, GERD will generate a total of 540 MW of electricity, which equates the electricity generated by Gibe I and Gibe II dams combined.
#Ethiopia #GERD #Niledam


City Council authorized an agreement with Garver, LLC, for engineering and technical services for the design, bidding and construction of two projects during its Jan. 9 meeting. Garver presented to Friendswood City Council on Oct. 3, 2022, a list of water-related projects it identified as needs for the city. Friendswood will now be moving forward on two projects included in that update.
The Clear Creek Crossing project was identified as Friendswood’s highest priority capacity-driven project, according to agenda documents. This project will add a water line parallel to the existing transmission line along East Edgewood Drive. Successful completion will improve the flow of water from Surface Water Plant 2 to Elevated Storage Tank 2 and resolve transmission capacity deficiencies.
The second project will add a new 0.5 million-gallon ground storage tank to replace the existing one, yard piping and pump replacements to Surface Water Plant 1. A larger tank may be added if the site design allows. Along with replacing a structurally deficient tank, this project will increase the plant’s pumping capacity and balance water distribution between Surface Water Plant 1 and Surface Water Plant 2.
Funding for the $1.2 million investment in these projects will come from American Rescue Plan Act dollars.


Penstock for HPP Sella
Upgrade of HPP using in-house designed penstock system in Switzerland
Description of project:
The penstock steel pipe is 950 m long and traverses mostly steep rocky ground. To protect it against rock fall and also for esthetic reasons, the entire length of the penstock was buried in a trench. The 900 mm diameter pressure conduit was designed according to our in-house developed system.
We were commissioned by Alpiq (formerly ATEL) to elaborate the construction design and supervise the erection works of the project aimed at utilizing the existing difference in hydraulic head between Sella Lake and the lower Lucendro Lake for power generation.


- Flood Warning issued October 07 at 8:48PM CDT until October 08 at 10:00AM CDT by NWS
- Effective: 8:48 p.m. on Saturday, Oct. 7, 2017
- Expires: 10 a.m. on Sunday, Oct. 8, 2017
...The Flood Warning continues for the following streams in Kansas...
Big Blue River near Blue Rapids affecting Marshall County
Republican River at Clay Center affecting Clay County
The Flood Warning continues for
The Republican River at Clay Center.
* until Sunday morning.
* At 8:30 PM Saturday the stage was 15.3 feet.
* Flood stage is 15.0 feet.
* Minor flooding is occurring.
* Forecast...The river will continue to fall to below flood stage by
* Impact...At 15.0 feet...Lowland agricultural flooding occurs from
U.S. Highway 24 to Milford Lake.
- See more at NOAA


Wanner Engineering’s Q155 Series Quintuplex Seal-Less Pumps are designed for a variety of applications. The medium pressure line includes two models: Q155K with a maximum flow rate of 78 gpm (295 l/min) and maximum discharge pressure of 3,000 psi (207 bar) and the Q155M with a maximum flow rate of 65 gpm (246 l/min) and maximum discharge pressure of 3,500 psi (241 bar). Like all Hydra-Cell seal-less pumps, the new Hydra-Cell Q155 Series are “packing-free” and designed to replace horizontal centrifugal pumps and packed plunger pumps. The design eliminates the need for external lubrication and maintenance as well as plunger wear problems associated with packing. Wanner Engineering Inc., 1204 Chestnut Avenue, Minneapolis, MN 55403. (612) 332-5681. Fax: (612) 332-6937. E-mail: email@example.com. Website: www.Hydra-Cell.com.


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Like the singular inclined plane at Georgetown, at Mile 174.2 are the remnants of the only steam pumping station along the canal. The original steam pumping station was constructed in Oldtown and used for about 20 years. It was inefficient and aging, so a new steam pumping station was built here in 1872. The steam pumping station pumped water up from the Potomac and directly into the canal ditch. As Dam Number 7 was never built and Dam 8 at Cumberland had to water the canal for 50 miles, canal engineers thought this would help keep canal levels deep enough for boats to safely pass through the canal's waters.
Photo Credit: C&O Canal National Historical Park


a year and a half of construction, so that the Beichuan River amazing changes! Into the Beichuan River comprehensive management site, about 6 km long to see the reporter, the Beichuan river river once has been transformed into two, mainly undertake the task of flood control has been outside the river water, the river flows smoothly; and as the ecological and landscape construction of inland river inland at present, at top speed, the six great lakes construction has been completed 95% of the total project amount, in September this year is expected to achieve the water, Lake Kitagawa Heroku will face shows to the public.
[progress] as of now, the river has been completed through the water, river on the six great lakes construction has been completed 95% of the total project amount, six weirs (water retaining structure) to complete the construction of the total project amount of more than 90%.
[six] of the Hanoi River, Beichuan Lake built six great lakes, reflect the waterfront leisure theme.
– No. two: Lake scenic area construction is the moral theme park, by the bridge, the method of India, usually in my heart and many other attractions. Here plans to build a sports leisure park, so that people come here, feel the fun of sports and leisure.
– No. three: Lake scenic settings reflect the ancient garden with epic, composed of mysterious dance, pottery, and other attractions in Xiping early memory.
– No. five: the construction of a summer Lake Park, the main attractions are the Yellow River jiaozi, West Yinma etc..


- Flood Warning for Tattnall County, Georgia
- Flood Warning issued March 27 at 9:59PM EDT until March 28 at 2:00PM EDT by NWS
- Effective: Friday, March 27, 2015 at 9:59 p.m.
- Expires: Saturday, March 28, 2015 at 2 p.m.
The Flood Warning continues for
The Ohoopee River Near Reidsville.
* At 9 PM Friday the stage was 11.0 feet.
* Flood stage is 11.0 feet.
* Forecast, the river is expected to drop below flood stage early
* At 11.0 feet, water enters the back yards of some homes in the Joy


IBS Engineered Products Ltd (IBS), one of the UK’s leading sub-contractors specialising in the design, manufacture and installation of flow control and flood protection equipment, has been awarded the contract to supply and install 30 aluminium lift hinge flood gates as part of the Athlone Flood Alleviation Scheme, which has been designed to address flooding risks in the town.
The contract, which has been awarded by the Office of Public Works (OPW), working in partnership with Westmeath County Council, forms part of a wider flood alleviation scheme, commissioned to address past acute fluvial flooding from the Shannon and its tributary, the River Al, which flows through the east of the town.
As part of the overall flood alleviation scheme, IBS will install 30 aluminium lift hinge floodgates of varying sizes ranging from 1.2m wide x 0.8m high up to 7.5m wide x 1.2m high. The single and double leaf floodgates are part of the Company’s wide range of flood protection solutions and can be used for smaller pedestrian openings or larger widths where vehicular access is required.
Speaking about the project, Ray Moulds, Managing Director of IBS Engineered Products, said: “This is quite a substantial flood alleviation scheme, comprising eight discrete flood defence cells. The hinged gates being supplied and installed by IBS will help mitigate flood risk at key sections and help reduce the overall future flood risk that had been identified for the area.”
IBS is due to start works quarter 1 2019, with works scheduled for completion 2020.


Maldives Transport and Contracting Company (MTCC) has revealed that work on the design and build of Ha. Ihavandhoo Harbour is making significant headway.
According to MTCC, the overall project progress currently stands at 35 per cent. New harbour basin dredging works for the project is currently ongoing, with 59 per cent completion.
The total value of the project is MVR 48.5 million.
Full details are available at the link below:


- Flood Warning issued February 26 at 8:48AM CST until February 27 at 2:10PM CST by NWS
- Effective: 8:48 a.m. on Monday, Feb. 26, 2018
- Expires: 2:10 p.m. on Tuesday, Feb. 27, 2018
...The Flood Warning continues for the following rivers in
Marmaton River near Nevada affecting Vernon County
...For the Marmaton River near Nevada...
* At 7:45 AM Monday The stage was 20.9 feet.
* Flood stage is 20.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to fall to below flood stage by
* Impact...At 20.0 feet...Minor flooding occurs near the gage site and
affects low lying areas along the river.
FLOOD OBSERVED FORECAST 6 AM
LOCATION STAGE STAGE DAY TIME Tue Wed Thu
Marmaton River Basin
Nevada 20 20.9 Mon 08 AM 15.2 8.6 5.9
- See more at NOAA


Crowe Bay Lock 14 and Dam Rehabilitation & Mechanization
March 22, 2019 - Community Update: Construction Update
As a part of an historic investment program along the Trent-Severn Waterway, construction is being completed to rehabilitate the dam and bridge at Crowe Bay Lock 14 in the municipality of Trent Hills.
Crowe Bay Lock 14 and Dam 12 is located just north of the town of Campbellford on the Trent River. The lock at Crowe Bay is one of the only locks on the Trent-Severn Waterway to be constructed on an island, sitting between the river and outflows of the dam, and the headrace (upstream portion) of the power generating station.
The construction project includes:
- The creation of four mechanized gates to replace existing overflow spillways, bringing the dam’s capacity to pass water in line with others downstream
- Modifications to the downstream embankments along the west side of the lock for flood and erosion protection
- The replacement of the headrace bridge, upstream of the power generating station. The bridge serves multiple purposes: to facilitate access to the lockstation; to act as a dam (by using stoplogs underneath) when work is done at the power plant and; in this instance, to act as a road to the dam construction site
- The rehabilitation of approach walls and improvements to public safety at the site
September 21, 2018 - Community Update: Crowe Bay Dam Construction Project
July 06, 2018 - Community Update: Crowe Bay Dam Construction Project
March 23, 2018 - Community Update: Crowe Bay Dam Rehabilitation
January 27, 2017 - Community Update: Campbellford and Crowe Bay Dam and Lock Rehabilitation
December 16, 2016 - Community Update: Campbellford and Crowe Bay Dam and Lock Rehabilitation


The Three Gorge Dam Sees Completion
The giant dam of the Three Gorges hydropower project on the Yangtze River saw completion on Saturday, 20, May, signifying a milestone achievement of major structure of the gigantic Three Gorge project.
The Three Gorges, which consist of Qutang, Wuxia and Xiling Gorges, extend for about
After the completion of the huge dam, water level will be raised gradually by approximate 40 meters. Over 800 historic sites will be lost but many new areas that were previously unreachable will be opened along the river. The main attractions such as Xiling gorge, White king
The concrete placement of the Dam's main section was completed 10 months ahead of schedule, which will enable the Dam to start its role in power generation, flood control and shipping improvement in 2008, one year ahead of designated time.


The hydraulically actuated slide valve combined with four of TFT’s 2.5” quarter-turn ball valves with folding handles make for the ultimate in versatility. All four 2.5” valves can be used with or without the LDH valve being open. Valve seats are field replaceable, and quarter-turn folding valve handles require low force to move, even under pressure. The automatic valve lock on the 2.5” valves maintain valve position while flowing at partial openings. Folding handles minimize required storage space. Device includes carrying handle, a pressure gage and optional PRV. A polymer bearing ring helps prevents galvanic corrosion on LDH couplings. Storage bracket available.
5-Way Valved Manifold
The 5-Way Manifold is a compact, portable, low friction-loss valve that can be used in many water distribution applications.


GoEK – Talake River Dam Development – East Kalimantan - Project Profile
"GoEK – Talake River Dam Development – East Kalimantan - Project Profile" contains information on the scope of the project including project overview and location. The profile also details project ownership and funding, gives a full project description, as well as information on contracts, tendering and key project contacts.
The "GoEK – Talake River Dam Development – East Kalimantan - Project Profile" is part of Timetric's database of 82,000+ construction projects. Our database includes a 10+ year archive of completed projects, full coverage of all global projects with a value greater than $25 million and key contact details for project managers, owners, consultants, contractors and bidders.
The Government of East Kalimantan (GoEK), through the Ministry of Public Works and Housing (PUPR) is undertaking the construction of Talake River dam in Paser, East Kalimantan, Indonesia.
The project involves the construction of a dam across a river. It includes the construction of 7.5km long pipeline, spillways, sluiceways, a head regulator, shingle excluder ducts, access roads, feeder channels, an intake tunnel and a concrete diaphragm wall.
GoEK is in discussions and coordinating with Penajam Paser Utara District Government along with Paser Regency Government for the project implementation.
The project involves the construction of a dam across a river in Paser, East Kalimantan, Indonesia
The US$200 million project includes the following:
1. Construction of spillways
2. Construction of sluice ways
3. Construction of a head regulator
4. Construction of feeder channels
5. Construction of an intake tunnel
6. Construction of a concrete diaphragm wall
7. Construction of 7.5km long pipeline
8. Construction of related infrastructureReasons To Buy
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Wildegg-Brugg is a 50MW hydro power project. It is located on Aare river/basin in Aargau, Switzerland. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the project is currently active. It has been developed in a single phase. The project construction commenced in 1949 and subsequently entered into commercial operation in 1952. Buy the profile here.
The project is currently owned by Axpo Power with a stake of 100%.
Wildegg-Brugg is a run-of-river project. The project generated 300 GWh of electricity.
The hydro power project consists of 2 turbines, each with 25MW nameplate capacity.
The project construction commenced in 1949 and subsequently entered into commercial operation in 1952.
ABB supplied 2 electric generators for the project.
For more details on Wildegg-Brugg, buy the profile here.


IN Engineering of May 26 is an illustrated article on the large hydraulic laboratory recently completed on the Mississippi River at St. Anthony Falls, Minneapolis, for the University of Minnesota. The laboratory is on Hennepin Island, which is joined to the banks of the river by a dam constructed for the purpose of power development at the falls, and it is designed to operate practically entirely by water diverted above the falls. There is a natural drop of fifty feet and the laboratory can handle for experimental purposes rates of flow in excess of 300 cusecs. Flows up to this amount can be accurately measured by volumetric basins. The laboratory consists of five units, namely, the main experimental laboratory, the hydraulic machinery and pump laboratory, the turbine testing laboratory, the large-scale volumetric tanks, and the lecture room and administration rooms. In the first of these units is a river model section where at present there is under construction a working model, 160 ft. long and 36 ft. wide, of the Mississippi in the vicinity of St. Anthony Falls. The lecture room has been arranged so that large quantities of water can be handled readily at the platform. Below the platform runs the main overhead supply flume of the laboratory, while above it is a head control room containing a constant-level reservoir situated in the tower above the auditorium. The experimental flume which runs through the main laboratory can be used for experiments with ship models.


YANKTON, S.D. (WNAX) – River levels on the Missouri River are finally dropping after months of near flood levels in many reaches.
Tom Curran is the Operations Manager for the Corps of Engineers at Gavins Point Dam.
Curran says one generator will be shut down this winter which means the spillway will be active all winter.
Curran says they will be watching the spillway gates carefully.
Governor Kristi Noem and the states Congressional delegation has asked the Corps to run Gavins Point releases above the normal winter flow to help draw down upstream reservoirs to open up more flood storage space.


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A Sh40 billion Soin-Koru multipurpose dam is in schedule to be constructed, after the completion of the feasibility studies – By Gerald Gekara.
The project has been lauded as the solution to historic flooding along River Nyando, and aid supply water for irrigation, and hydroelectricity.
Pre-bidding and a visit to the project site is supposed to take place on June 22.
Work on the project will be supervised by Kenyan contractors, while international companies have been invited to bid for construction.
Kisumu County Governor Anyang’ Nyong’o said the project will provide a long-term solution to the flooding and provide clean water to residents.
National Water Harvesting And Storage Authority director Bernard Okebe has been leading meetings in Kisumu to discuss compensation of those to be displaced, among other details about the project.
Mr Okebe expressed confidence that the project will end perennial flooding in the Nyando and Muhoroni areas.
The dam was initially planned in the 1980s. The dam will be stationed 5 km upstream river Nyando from Muhoroni town. The project will have a treatment plant of 35.5m cubic metres.


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Ammon, Hill Concrete Reservoir and Booster Station
The Hill Reservoir and Booster Pump Station project is one of the projects included in Ammon’s $15 Million Water Improvement Project. The total improvements include 5 miles of transmission water lines, two new wells, three new booster pump stations, and two new concrete reservoirs. This phase of the water project included a two million gallon strand wrapped circular prestressed concrete tank situated just above the booster station. The booster station pumps to three separate pressure zones through 10 horizontal split case pumps. It also houses an impressive 750 KW generator and an onsite hypochlorite generation system.
This successful project took home first place in the ACEC Idaho Engineering Excellence Awards’ Water Resources Category and the ACEC National Recognition Award in Engineering Excellence in the Water Resources Category.
$4,400,000 – Hill Reservoir and Booster Station
- 2 MG prestressed concrete tank
- Three-pressure zone booster pump station
- Onsite hypochlorite generation
- SCADA control system
- Full design and construction administration provided by Keller Associates
- Located in a new residential area, the facilities shielded by a block and brick architectural fence


Seminoe Dam and Power Plant construction began in 1936 and was completed in 1939. The original installed capacity of the plant was 32,400 but the plant was uprated in the mid-1970's to its current installed capacity of 45,000 kilowatts. The three-phase unit power transformer was replaced in 2001.
The President approved the Kendrick Project on August 30, 1935. Originally known as Casper-Alcova, the project was renamed Kendrick in 1937.
The Kendrick Project conserves the waters of the North Platte River for irrigation and electric power generation. The project is a multi-purpose development with storage at Seminoe Reservoir and diversion at Alcova Dam to project lands. Operation of the reservoirs and power plants is integrated with other river basin developments. Seminoe Reservoir, with a total capacity of 1,017,279 acre-feet, provides storage capacity for the water to irrigate the project lands. The power plant generates electric power as the water is released for irrigation or stored in Pathfinder Reservoir for later release as required.
Electric energy generated at the Seminoe Power Plant is marketed through the Pick-Sloan Missouri Basin Program's integrated system. The dam is a concrete-arch structure containing 210,000 cubic yards of concrete and rising 295 feet above the rock foundation. Water is released from the reservoir through penstocks at the Seminoe Power Plant or over a controlled spillway and outlet tunnel. The power plant is located at the base of the dam and has a rated head of 166 feet. The plant contains three units, each composed of a 15,000-kilowatt generator driven by a 20,800-horsepower turbine. Seminoe Dam and Power Plant construction began in 1936 and was completed in 1939. The original installed capacity of the plant was 32,400 but the plant was uprated in the mid-1970's to its current installed capacity of 45,000 kilowatts. The three-phase unit power transformer was replaced in 2001. A contract was completed for supplying new controls and a new trolley for the 50-ton power plant bridge crane. Reclamation forces installed the new crane in FY 2004. Preparation of designs and specifications was initiated in FY 2002 for a contract to replace the three single-phase unit power transformers at the plant. The contract was awarded in FY 2003 for installation of a new 3-phase transformer and modification of existing bus work in FY 2004. Designs and specifications were initiated and will be completed in FY 2004 for a contract to rehabilitate the three Unit Ring Seal Gates. The gates will be rehabilitated by contract in FY 2005, FY 2006, and FY 2007 maintenance seasons. Access to Seminoe Power Plant is affected by periodic rock falls from the steep canyon walls necessitating continual operation and maintenance expenditures.
Western Electricity Coordinating Council, Rocky Mountain Power Area
PMA Service Area
Western Area Power Administration, Rocky Mountain Region
Original Nameplate Capacity
Year of Initial Operation
North Platte River
Title: Facility Manager Organization: North Platte Projects Field Office Address: 22122 Kortes Road City: Alcova, WY 82620 Phone: 307-261-5960
More Information about the U.S. Bureau of Reclamation


A 3-D model to analyze environmental effects of dredging operations – application to the Port of Marin, Spain
Abstract. Historically, the study of dredging processes has depended on physical laboratory tests. The IH-Dredge model has been developed to simulate these processes numerically. It simulates the evolution of the seabed, sediment and toxic substances involved in dredging operations. The model has been calibrated and validated with experimental data, and it has been applied in a dredging operation in the Port of Marin, Spain.


Highland Eco-design was engaged to carry out the design, construction and installation of a 14kw high head micro hydro scheme. This work included:
- Obtaining the abstraction licence, planning consent and grid connection permit.
- The utilisation of an existing disused small dam using a new custom built intake structure and screening arrangement.
- The laying of 500m of high pressure pipeline from an existing cast iron pipe to a new turbine location.
- The design and construction of a new turbine house to meet aesthetic planning conditions.
- The installation of a pelton impulse turbine with generator and control equipment.
- Grid connection and testing to engineering reccomendation g83/1.
Main parameters: head 85m, flow 30l/sec, energy yield 63,033kwh, output 14kw, co2 saving 31 tons.
Highland Eco-design was also involved in the design, construction and installation of a 20Kw Archimedean screw system at Haddo Estate in conjunction with Mannpower Consulting Ltd.
Main parameters: head 5m, flow 500l/sec, energy yield 85,594kwh, output 20kw, co2 saving 42 tons


Building a New Reservoir
Throughout the duration of construction on Chimney Hollow Reservoir we will post weekly images of the construction progress. Our camera nestled up high on the ridge above Chimney Hollow will capture the action and changes as we build a new reservoir. Chimney Hollow Dam will be a rockfill structure with a hydraulic asphaltic concrete core approximately 350 feet tall. The main dam will contain approximately 12 million cubic yards of rockfill and 75,000 cubic yards of asphaltic concrete. Rockfill and aggregates will be sourced from within the reservoir footprint. A two-row grout curtain and consolidation grouting will be required for foundation preparation.


Georgetown, Kentucky Area Lake Real EstateAll lakes in the area of Georgetown, KY, population 18080. Lakes, reservoirs and ponds with boating, fishing, and other recreational uses are included, some of which may have lakefront home sites or vacation rentals. The list also includes natural and manmade lakes used for irrigation, drinking water, hydroelectric power, flood control, industrial, and other uses.
Georgetown Impoundment (lower) (1 miles) Georgetown Impoundment (upper) (1 miles) Kentucky Horse Park Dam (5 miles) Ralph Mills Lake (13 miles) Twin Creek Flood Retarding Structure #1 (14 miles) Paris Lower City Dam (17 miles) Kentucky River Lock and Dam 4 (17 miles) Kentucky River +4 Locks (17 miles) Lexington Reservoir #4 (17 miles) Kentucky River Lock and Dam 5 (19 miles) Cedar Creek Dam (19 miles) Game Farm (upper)dam (20 miles) Corinth Lake (20 miles) Paris Spears Mill Impoundment (21 miles) Kentucky River Lock and Dam 3 (22 miles) Millersburg Dam (22 miles) Woodlake Subdivision Dam (23 miles) Duncan Nave Dam (23 miles) Kentucky River Lock and Dam 6 (24 miles) Maguire Brothers Lake (25 miles) Winchester Dam (25 miles) Thomas Lakes (lower) Dam (26 miles) Kentucky River Lock and Dam 9 (26 miles) Elmer Davis Lake (26 miles) Cedarmore Lake (26 miles) Snake Lick Creek Structure #1 (26 miles) Ky River Lock and Dam No 10 (27 miles) Kentucky River Lock and Dam 2 (27 miles) Thomas Lakes (upper) Dam (27 miles) [More...]
Other AreasClick the map to see lakes in other parts of the country.


Hyderabad: The Srisailam project has begun generating hydel power following the rise in water levels both at the dam and at the Jurala barrage upstream.
Power generation has commenced at two units in Jurala and one unit at Srisailam. TSGenco is planning to augment hydel production from other projects if inflows increase in the next few days.
TSGenco chairman D. Prabhakar Rao said, “Nearly 200 MW of hydel power is being produced in Jurala and Srisailam projects. Of this, Jurala accounts for 60 MW and Srisailam 150 MW.”
He said though TS had an installed capacity of 2,081 MW of hydel power, the plants had been lying idle due to scanty rainfall. The situation started improving only in the last one week. The water level at Jurala was 10.55 TMC on Friday against full storage capacity of 11.9 TMC. The project got inflows of 11,465 cusecs....


Flood warnings have been posted for areas of central and southeast Wyoming as rivers and streams overflow their banks with runoff from the melting mountain snowpack.
So far, flooding has been limited to low lying areas along the rivers and streams in Fremont, Carbon, Albany and Lincoln counties.
In Fremont County, the North and Middle Forks of Popo Agie (pah-POE’-shuh) river were running near flood stage Friday in the Lander area.
The Wind River at Riverton has been rising but has remained below flood stage so far.
In Carbon County, minor flooding is occurred along the North Platte River at Saratoga, where sandbags are protecting the town. Minor flooding also is occurring at Laramie from the Laramie River.
In southwest Wyoming, the Green River at LaBarge is near flood stage.


WATER SUPPLY AND SEWERAGE
Drainage rehabilitation works
The subject of the contract is drainage works at three locations. In Bilješevo, an underground pipeline for drainage of the area above the highway was built in Bilješevo, made of flexible cold-formed, spiral, corrugated steel pipes with a diameter of 900 mm and a length of 234 m, with the construction of a reinforced concrete entrance and exit structure and 8 concrete inspection manholes, with the installation of a Ø900 mm non-return valve.
On the Butila loop, 2 earthen trapezoidal channels with a total length of 246m were excavated and scarped, and 2 concrete walls with 2 non-reversible covers Ø1000mm were built.
At the Lepenica toll booth, the construction of 4 reinforced concrete clear channels with a clear width of 80 to 150 cm and a total length of 310 m, construction of inflow and outflow reinforced concrete buildings and sedimentation tanks was carried out.


WATER INDUSTRY PROJECTS
PRDW has extensive experience in providing water intakes and outfalls for desalination and for cooling water in the power sector including nuclear facilities.
Site data collection, feasibility studies, licensing reports, in addition to the detailed design of the breakwaters, pump house structures and the cooling water outfall.
Detailed engineering of the Cooling Water Intake and Cooling Water Outfall systems for the new thermal power generation Units (6 & 7) as part of the expansion of Mejillones Power Plant. Each unit is designed to generate a gross electrical output of 375MW.


Station is designed to supply automatically water into the water network without the staff control.
Station consists of units and blocks in full readiness mounted inside the block box. It is supplying with a full set of consumables, life-support systems, SPTA and operational documentation.
The room of pumping stations is provided with permanent natural balanced ventilation through the louvered grille with flaps.
Pumps supplying water into the water system are operated in automatic mode.
The pump station equipped with a local control system.
There is an automatic system of prefilling of pumping aggregates.


In this paper, hydraulic jump which is one of the effective means of energy dissipation of supercritical flow in hydraulic engineering is simulated using Flow 3D software. This software utilizes VOF method for tracing the free surface position and FAVOR method for considering the baffles inside the computational domain. First, the accuracy of the software application in forecasting hydraulic jump flow parameters is assessed by comparison of computed parameters using k-ε andRNG turbulent modeling strategies with readily available experimental measurements. Then, the software is utilized for simulation of hydraulic jump in a small scale laboratory stilling basin with baffles. The computed velocity profiles and water surface level present good agreements with the reported laboratory measurements.


From Date: 05/01/2018 08:00
To Date: 12/01/2018 16:00 inclusive
Type: Navigation Closure
Reason: 3rd Party Works
Is the towpath closed? Yes
Closest waterway: Lee Navigation
Starts at: Bridge 22A
Ends at: Bridge 22A
Upstream winding hole: The area just upstream of the bridge to the turn.
Downstream winding hole: The area just downstream of the bridge to the turn.
To carry installation of a new railway bridge. Additional works will be carried out to the existing abutments to accommodate the new bridge deck.
A towpath diversion will be available.


The 134m high dam is almost 98% completed, and overall the construction of the 790MW scheme is just over two-thirds finished. Work on the RCC dam started in February 2006 and the Chinese concrete placement contractor, Gezhouba Water and Power, has been praised by many in industry for its productivity.
The Ministry of Electric Power No 1 added that construction of the powerhouse is more than three-quarters complete, the intake is 71% built and the spillway is approaching 30% finished.
Yeywa has a budget of US$600M - two-thirds by the Government and the balance by a loan from China, the Ministry said. The plant is expected to generate 3550GWh per year of electricity.
The Ministry is reported to be planning 15 more hydro power projects, with combined installed capacity of 13.85GW, in addition to the 22 schemes (16.6GW) under construction.
Six hydro power plants with combined capacity of 442MW have been completed recently - Zawgyi-2, Zaungtu, Thaphanseik, Monechaung, Paunglaung and Yenwe.


Japanese construction company Obayashi has been awarded a contract to provide civil engineering works for the 288 MW Nam Ngiep 1 hydropower project in Laos.
The project is being developed by Nam Ngiep 1 Power Co. Ltd., which includes KPIC Netherlands B.V., the Electricity Generating Authority of Thailand (EGAT), and Lao Holding State Enterprise (LHSE), which own 45%, 30% and 25% of the group’s shares, respectively.
Per the contract, Obayashi construct roads for the project, the dam itself, and the hydroelectric plant’s two power stations. The dam will be 148-meters-tall by 530-meters-wide, impounding a body of water with a volume of about two million cubic meters.
The company said work on the roads, river diversion, excavation for the dam foundations and other preliminary work will be completed by 2015, with concrete work on the main dam body beginning in 2016. Power generation is scheduled to begin in January 2019.
Power will be generated by a pair of stations. One will generate 270 MW, while the other will generate 18 MW.
The plant is to be located along the Nam Ngiep River — a tributary to the Mekong River that flows through both Laos and Thailand.
For more news from Asia, visit here.


- Flood Warning issued February 24 at 10:04PM CST until March 01 at 12:00AM CST by NWS
- Effective: 6 a.m. on Wednesday, Feb. 28, 2018
- Expires: midnight on Thursday, March 1, 2018
...The flood warning continues for the following rivers in
Mississippi River at Cape Girardeau
Mississippi River at New Madrid
.Heavy rainfall over the last several days has caused the
Mississippi River to rise. Minor flooding is forecast at
Cape Girardeau, and moderate flooding is forecast at
The Flood Warning continues for
the Mississippi River at Cape Girardeau.
* from Wednesday morning to late on March 7.
* At 9:30 PM Saturday the stage was 29.7 feet.
* Flood Stage is 32.0 feet.
* Forecast...The river is expected to rise to near flood stage
* Impact...At 32.0 Feet...Minor flooding occurs. The Mississippi
River backs into several creeks producing flooding.
- See more at NOAA


عنوان مقاله [English]
Finding optimal pipe diameters in water supply networks for minimizing design costs due to the constraints and high decision variables is one of the major challenges for designers. In the last few decades, the development and introduction of new optimization methods, the good performance of these methods in solving complex engineering problems has led engineers to develop these methods in the design of water networks. In the present study, the performance of one of the emerging metaheuristic algorithms called Ant Lion Optimizer (ALO) in solving the problem of optimizing the diameters of water supply networks was considered. For this purpose, a multi-objective optimization-simulation model based on the ALO and the EPANET simulator model was developed. The developed model was used to optimize the diameter of Ismail Abad network pipes. The results were presented as a Pareto front between the design cost and the sum of the pressure difference squares. The results showed that using this model in addition to saving design costs about 15% compared to the existing design conditions; it has been significantly successful in reducing overload pressure in the nodes. As a result, this method can be used with confidence as an efficient method in designing water supply networks.


Construction of the Baynes hydroelectric dam falls within Angola’s Energy 2025 Vision, which centers on creating increased capacity and distribution capabilities, supported by new renewables and private sector investment in new power generation projects.
The planned hydroelectric dam will be located on the Cunene River on the border between Angola and Namibia.
The reservoir will be located 200 km downstream of the Ruacana hydroelectric power station in Namibia with a capacity of 330 MW. Baynes is a concrete-lined rockfill dam with a height of 200 m. Its reservoir will be 43 km long with a maximum width of 4 km.
The two governments plan to start work in 2021 and commission the facilities in 2025. “If we keep to the schedule of the agreement, we will be able to meet the deadlines, as there is great interest in this bi-national project,” João Baptista Borges, Angola’s Minister of Energy and Water said in a statement.
Namibia and Angola will have to invest $1.2 billion in the project. The 600 MW to be produced by the plant will be shared equally between the two countries.


The Rio Negro dam system is made up of the “Dr. Gabriel Terra”, “Rincón de Baygorria” and “Constitución” hydroelectric power plants. This set of dams is one of Uruguay´s electric supply system mainstays. The project consists in a "Flood Management Review” (FMR) and in the creation of an "Emergency-Action Plan" (EAP). Within the frame of this project the Negro River dam system´s hidrodinamic model is created, wich allows evaluation of operational criteria, analysis of backwaters reservoir and main courses, and the simulation of the different break scenarios, among others. It´s used the MIKE FLOOD modeling system.


Client: Galliford Try/Morgan Sindall Joint Venture, Scottish Water.
To construct Two pumping stations and Retaining Wall at bay area, Cowal Peninsula.
The project consists of 3Nr. concrete structures (West Bay Pumping Station, East bay Pumping Station and Jim Crow CSO Chamber & Retaining Wall), 534m of 1200mm & 600mm micro-tunnels, 500m open-cut pipelines and site works at the 3Nr concrete structure locations.
West Bay storm storage tank/pumping station was constructed as an elliptical shaped caisson shaft (major axis 25m, minor axis 15m, depth 15m). It was designed by Ward & Burke Construction to deal with the existing site constraints of: sea wall; high pressure gas main; existing building; site geology of marine deposit overlying mudstone rock; and storage capacity requirements. It represents an alternative to the design proposed by the Client consisting of two circular segmental ring caisson shafts.
- East Bay pumping station consists of the construction of a new Pumping Station Wet Well and Dry Well on the seaward side adjacent to the Sea Wall.
- The design called for a rectangular structure 10m x 8m x 11m deep.


HFM Series leak-proof Corrosion-resistant wear-resistant pump is a new type of liner-type suction (shaft sealing position and inlet the same direction) decay-resistant wear pump. This pump is a new type of pressure delivery pump which is developed under the condition of common running wear-resistant and anti-sabotage pump. It is applied in five innovative technologies (patent). Its main features are: 1. Pump inlet in the shaft seal in the same direction, the shaft seal at negative pressure environment, so it will not leak, to overcome the original corrosion-resistant wear-resistant pump easy to damage, easy to leak shaft seal leakage disease . Second, a wide range of applications: The pump is equipped with a variety of interchangeable lining material, can be used for a variety of chemical corrosive, abrasive liquid and slurry delivery, and a variety of different materials interchangeable spare parts performance , User adjustment is very convenient. Third, low operating costs: There are two main factors, first, wearing parts such as pump cover and suction port with a split structure, with a separate corrosion-resistant wearing parts, easy to replace, more economical. Second, the pump seal does not use the back of the impeller decompression, saving shaft power consumption, saving energy. Another advantage of the HFM-II two-stage corrosion-resistant and wear-resistant slurry pump is that it has good abrasion resistance due to the higher pump outlet pressure at a lower single impeller linear velocity, Slurry pump to increase the pressure to increase the linear velocity of the impeller, leading to increased impeller, pump shell wear shortcomings, effectively improve the life of the impeller, pump cover and other wear parts. V. HFM-II-type corrosion-resistant wear-resistant double-stage pump due to high pressure, with high-pressure filter filter, the filter effect is good, the filter cake less water to overcome the shortcomings of the filter press with pump pressure shortage .


Nant de Drance is a 900MW hydro power project. It is located in Valais, Switzerland. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the project is currently active. It has been developed in multiple phases. The project construction commenced in 2008 and subsequently entered into commercial operation in 2020. Buy the profile here.
The project was developed by Nant de Drance. Alpiq Holding, Swiss Federal Railways, Industrielle Werke Basel and Forces motrices valaisannes are currently owning the project having ownership stake of 39%, 36%, 15% and 10% respectively.
Nant de Drance is a pumped storage project. The hydro reservoir capacity is 227 million cubic meter. The net head of the project is 71.1m. 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 2 in number. The project generated 2,500 GWh of electricity. The project cost is $2,432.64m.
The project construction commenced in 2008 and subsequently entered into commercial operation in 2020.
GE Renewable Energy was selected as the turbine supplier for the hydro power project. The project consists of 6 units of Pump turbines, each with 150MW nameplate capacity.
GE Renewable Energy supplied 1 electric generator for the Nant de Drance (Nant de Drance Active). The generator capacity is 175 MVA.
GE Renewable Energy supplied 5 electric generators for the Nant de Drance (Nant de Drance UC). The generator capacity is 175 MVA.
For more details on Nant de Drance, buy the profile here.


The brief for the project was to reconstruct the existing water body into a major feature of the cemetery as well as serving as an irrigation lake for the site. The work included major bulk civil works and the supply and installation of major pumping and bore headworks infrastructure. The design and construction of the boardwalk included 3.5m pylons. A feature pump house and pavilion were built by Landscape Elements.
Pinnaroo Memorial Lake
Seeding innovation, growing people, creating landscapes and maintaining connections.


Pressure Seal Valve
Pacific Pressure Seal Cast Globe Valve
Pacific Globe Valve B16.34 Design (ASME 1500 – 4500)
Globe valve are normally installed with flow and pressure under the disc. Always consult with the factory before installing valve with flow.
Pacific Features :
- A 309 SS inlay is funished in the gasket area of the body on ASME class 2500 valve
- For this option on other pressure class
- WCC valve bonnet and internals will be manufactured with 300 series stainless


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Guardiaregia - Italy
Ente Risorse Idriche del Molise (ERIM)
1969 – 2006
Description for Arcichiaro Multi-purpose Project (Italy)
Rockfill dam with bituminous facing (BFRd) with a reservoir for irrigation, industrial purposes, water supply and hydropower generation
- Catchment ( A = 21.8 km² )
- Reservoir ( V = 11.1 Mm³ )
- Bituminous Faced Rockfill dam ( H = 89.3 m, L_crest = 270 m, V = 1.2 Mm³, A_face = 136'000 m² )
- Concrete Weir ( H = 29 m, L_crest = 38.6 m, V = 16'000 m³ )
- Spillway ( L_tot = 85 m, Q = 447 m³/s )
- Penstock ( L = 3.2 km, D = 1.3 m )
- Power house ( L x W = 30 x 10 m, Q_turb = 2.3 m³/s, E = 9 GWh/y )
- Transmission line ( L = 5.5 km )
- Access road ( L = 3.1 Km, No. 2 bridges )
- Tunnel ( L = 1'000 m, H = 3.7 m, W = 4 m )
Lower Diamphwe (Malawi)
This project includes the Lower Diamphwe Multipurpose Dam and associated...
Arcichiaro Multi-purpose Project (Italy)
Rockfill dam with bituminous facing (BFRd) with a reservoir for irrigation,...
Ulu Jelai (Malaysia)
Gabon - Congo Interconnector (INTGACO)
The project consists of the design and tender documents of the 400 kV...
Genzano Storage Plant (Italy)
Water storage for irrigation, capacity 58 Mm³.
Porto Romano (Italy)
Yacht Harbour is on the right side of the Tevere River floodplain, about 1 km...
Limonlu HPP comprises 4 power plants in cascade to be constructed in 2 phases...
HV Transmission Lines (Tanzania)
This is a feasibility study of high voltage transmission lines and...
Kakono Hydropower (Tanzania)
Kakono will be a Hydropower Plant located on the...


DrainLine 150 is a practical, robust system for use in domestic areas where larger amounts of water can collect or rainwater downpipes are run into the trench drain.
The polymer concrete channel is supplied with a galvanized steel grating, strong enough to withstand constant light duty vehicular traffic use.
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The Hatta pumped storage hydroelectric project being developed at Hatta, Dubai, United Arab Emirates (UAE), will be the first of its kind power project in the Arabian Gulf region.
The 250MW project is being developed by the Dubai Electricity & Water Authority (DEWA) with an estimated investment of £319m ($391m).
The project will be designed to use and store water from the existing Hatta dam, which was built in the 1990s, for generating electricity during peak demand periods.
The project was launched as part of the Dubai Clean Energy Strategy 2050, which envisions three-fourth of the emirate’s total power output from clean energy sources by 2050.
Consultancy contract for the project was awarded in 2017, with the engineering studies completed in July 2018, followed by the award of construction contract in August 2019.
The Hatta pumped storage hydroelectric facility is expected to be commissioned in February 2024.
The project is anticipated to create 2,000 direct and indirect job opportunities in the region.
Hatta pumped storage plant make-up
Designed to run for 80 years, the Hatta hydroelectric facility will consist of a lower and an upper reservoir to store and use the surplus water from the Hatta Dam.
The lower reservoir will be located near the Hatta Dam (also known as the Al Hattawi Dam), approximately 400m above sea level. The lower reservoir will have the capacity to hold approximately 1,716 million gallons (Mgal) of water.
The upper reservoir will be constructed in the shape of a lake in the mountain, approximately 700m above the sea level and 300m above the dam level. The upper reservoir will be capable of storing up to 880Mgal of water. The distance between the two reservoirs will be up to 4km.
During the off-peak hours, water from the lower reservoir will be pumped to the upper reservoir with the help of solar-powered pumps. The solar power required to drive the pumps will be sourced from the Mohammed bin Rashid Maktoum solar park.
During peak-load hours, the stored water will be released to the lower reservoir with the speed of the waterfall driving the turbines to generate electricity.
The project is designed to achieve 80% power generation and storage cycle efficiency within 90 seconds, in response to the demand for peak electricity.
The electricity generated from the Hatta hydroelectric power station will be fed into the DEWA grid.
EDF Group, based in France, was awarded the consultancy contract for the project in June 2017.
The scope of the contract included engineering and design studies, as well as hydrogeological, geological, environmental, geotechnical, and deep excavation studies, apart from consultancy services in construction supervision, site installation, on-site testing, and commissioning.
A consortium of Strabag, Andritz Hydro, and Ozkar was awarded the construction contract for the project in August 2019.
Mohammed bin Rashid Maktoum solar park details
Mohammed bin Rashid Maktoum solar park is a 5GW solar project being developed in phases by DEWA.
Located in Seih Al-Dahal, in the southern part of Dubai, the solar project is installed with both photovoltaic (PV) and concentrating solar power (CSP) technologies.
A 13MW solar farm installed with approximately 152,000 photovoltaic cells was commissioned in phase one in October 2013.
Phase two development comprised a 200MW PV facility commissioned in March 2017, while 800MW is being added to the park in phase three, which is scheduled for completion in 2020.
The 950MW phase four of the project that comprises 200MW of PV and 750MW of CSP development secured financial closure in March 2019, while the tender for the 900MW phase five development of the solar park was launched in June 2019.


Kremenchug is a 706.8MW hydro power project. It is located on Dnieper river/basin in Kirovohrad, Ukraine. The project is currently active. It has been developed in multiple phases. Post completion of construction, the project got commissioned in 1959.
|Project Type||Total Capacity (MW)||Active Capacity (MW)||Pipeline Capacity (MW)||Project Status||Project Location||Project Developer||Hydropower||706.8||706.8||–||Active||Kirovohrad, Ukraine||UkrHydroEnergo Open Joint Stock|
The project is developed and owned by UkrHydroEnergo Open Joint Stock.
Kremenchug is a run-of-river project. The hydro reservoir capacity is 9,000 million cubic meter. The net head of the project is 13.6m. Kremenchug underwent through rehabilitation & modernization during 1997-2002; 2019-2021;.Kremenchug (kremenchug Active unit) underwent through rehabilitation & modernization during 2013-2015. The project generated 1,495 GWh of electricity.
The project got commissioned in 1959.
Kremenchug (kremenchug Active unit) is equipped with Turboatom kaplan turbine. The phase consists of 1 turbine with 64MW nameplate capacity.
Kremenchug (Kremenchug Active units) is equipped with Turboatom kaplan turbines. The phase consists of 9 turbines with 57.2MW nameplate capacity.
Kremenchug (Kremenchug Rehab Units) is equipped with Turboatom kaplan turbines. The phase consists of 2 turbines with 64MW nameplate capacity.
Electrotyazhmash was selected as the generator supplier for the hydro power project. The project consists of 12 generators.
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.


The river Hemavathi is a tributary of Kaveri. This river originates in the Western Ghats – Ballala Rayana Durga – in Chikmagalur. The river joins with its main tributary, Yagachi river, at Hassan, then flows on to join Cauvery near Krishnarajasagara. The river is nearly 245 km long from its place of origin to where it converges with Cauvery.
The Hemavathi reservoir is a masonry dam with a central spillway and earthen flanks built across the river near Gorur village. It has a storage capacity of 37.1 tmcft. The water from the reservoir is used to irrigate 6.55 acres of land in Mandya, Hassan and Tumkur.


Martina is a 70MW hydro power project. It is located on Inn river/basin in Graubunden, Switzerland. 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 1994. Buy the profile here.
BKW Energie, Alpiq Holding and Axpo Power are currently owning the project having ownership stake of 30%, 22% and 5% respectively.
The project generated 290 GWh of electricity.
The hydro power project consists of 2 turbines, each with 36MW nameplate capacity.
The project has 2 electric generators installed at the site. The generator capacity is 44.5 MVA.
The project got commissioned in 1994.
For more details on Martina, buy the profile here.


Outlet Works, Cochiti Dam Rio Grande, New Mexico. Hydraulic Model Investigation.
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MISS
Pagination or Media Count:
The combination energy dissipator-irrigation diversion structure was studied in a 120-scale hydraulic model to verify and possible refine the design of the primary and secondary stilling basins, determine the discharge characteristics of the weir between the two basins and each of the two diversion sluices, and investigate qualitatively the performance of the silt sluices. The performance of the energy dissipator was improved by raising the apron of the secondary basin 5 ft and modifying the position of the baffle piers in the primary basin and the size and position of the baffle piers and end sill in the secondary basin. The capacity of the irrigation diversion sluices was found to be adequate. The hydraulic performance of the silt sluices was as anticipated, but at low discharges, fine sand was removed from the model only in the immediate vicinity of the sluice intakes. Author
- Civil Engineering


Pressure Relief Valve ENQUIRY! Categories: Pressure Control Valve, Water Control Valve Tags: Pressure Control Valve, Pump Valve Description Description Pressure Relief Valve Pressure Relief Valve Festures of Pressure Relief Valve Accurate Pressure Control Fast Opening to Maintain Line Pressure Slow Closing to Prevents Surges Completely Automatic Operation Pressure Relief Valve Working Principle Inlet pressure water enters the lower cavity of the pilot valve diaphragm from the guide valve when the pressure in the pipeline exceeds the set pressure of the guide valve to make its pressure increase to open the guide valve, the main valve control room outwards drain under the effect of the inlet pressure water to open the main valve, it starts to discharge pressure. When the pressure in the pipeline drops to the set pressure, the pressure in the lower cavity of the guide valve diaphragm decreases, causing the guide valve closed. This results in increased water pressure from the guide pipe to the pilot valve, then to the main valve control room. The main valve plate closes and begins to hold pressure. Pressure Relief Valve Installation and Commissioning The pressure relief(sustaining) valve supports horizontal and vertical installation but should pay attention to the inlet and outlet direction of valve body water when installing. In general, one fire water supply system can only install one pressure relief valve. Within the operating pressure range of the spring specified in the nameplate, the opening pressure can be adjusted by rotating the adjusting screw to change the spring compression amount. For specific use, please consult ZECO Valve Group. Pressure Relief Valve Material and Standard Size Range: 2″~24″ Pressure Rating: 10bar ~ 25bar Face to Face Dimensions: AMSE B16.10, EN558-1 Flange End Dimension: AMSE B16.1/16.42, AS4087, EN1092-2 Coating: Fusion Bonded Epoxy Coating Inspection and Test: ISO 5208 / EN 12226-2 Part Material Standard Body Ductile Iron EN 1563/DIN 1693 Bonnet Ductile Iron EN 1563/DIN 1693 Trim Stainless Steel 431 EN10088-1/ASTM A959 Seat Stainless Steel 431 EN10088-1/ASTM A959 Diaphragm EPDM / NBR ISO 4633 Pilot Valve Stainless Steel 431 EN10088-1/ASTM A959 For the materials options not listed, consult factory. ZECO manufactures valves in more than 50 different alloys. Related products Pump Control Valve Read more ENQUIRY! Altitude Control Valve Read more ENQUIRY! Solenoid Control Valve Read more ENQUIRY!


Bureau of Meteorology, Tasmania
Minor Flood Warning for the River Derwent
Issued at 9:52am on Wednesday 8 June 2016
Flood Warning Number: 14
Minor flooding continues in the Derwent below Meadowbank dam, and in the Lower River Derwent.
Minor flooding will continue in the River Ouse at Ashton and Ouse township during Wednesday.
Since 9AM tuesday, rainfall totals have been less than 10mm about the Derwent catchment.
River Derwent above River Ouse:
River level rises are continuing in the upper reaches of the River Derwent and in the tributaries of the Florentine and Dee rivers. River levels are easing in the Nive River.
Minor flood levels are continuing to ease along the Ouse River.
River levels along the Clyde River are below the minor flood level and continuing to ease.
River Derwent above Meadowbank Dam:
River levels are easing in the middle reaches of the Derwent.
River levels peaked at the Tyenna River at Newbury Tuesday morning and are currently easing.
River levels are easing along the Styx River. At Bruces Bridge, the Styx River fell below the minor flood level (2.00m) early Tuesday morning.
River Derwent below Meadowbank Dam:
Minor looding is occurring along the River Derwent below Meadowbank Dam.
The River Derwent below Meadowbank Dam peaked at 7.47 metres around 07:30 pm Monday 06 June and is currently at 4.86 metres and steady. The River Derwent below Meadowbank Dam is likely to fall below the minor flood level (4.10 m) Wednesday evening.
The River Derwent at Macquarie Plains peaked at 6.15 metres around midnight Monday into Tuesday and is currently at 4.02 metres and falling. The River Derwent at Macquarie Plains is likely to fall below the minor flood level (4.00 m) Wednesday morning.
River Derwent around New Norfolk:
Minor flooding has eased along the River Derwent around New Norfolk.
The River Derwent at New Norfolk peaked at 2.60 metres around 12:30 am Tuesday 07 June and is currently at 1.28 metres and steady.
Flood Safety Advice:
FloodSafe advice is available at www.ses.tas.gov.au
Road closure information is available at www.police.tas.gov.au
For emergency assistance call the SES on telephone number 132 500.
For life threatening situations, call 000 immediately.
The next warning will be issued by 04:00 pm EST on Wednesday 08 June 2016.
Latest River Heights:
|Location||Height of River (m)||Tendency||Date/Time of Observation|
|River Derwent below Lake St Clair||1.73||Steady||08:30 AM WED 08/06/16|
|River Ouse at Ashton||2.49||Falling||09:00 AM WED 08/06/16|
|River Clyde at Bothwell||1.56||Steady||08:00 AM WED 08/06/16|
|River Derwent below Meadowbank Dam||4.86||Steady||09:00 AM WED 08/06/16|
|River Derwent at Macquarie Plains||4.03||Falling||09:23 AM WED 08/06/16|
|Tyenna River at Newbury||1.13||Steady||08:00 AM WED 08/06/16|
|Styx River at Bruces Bridge||1.40||Steady||08:12 AM WED 08/06/16|
|River Derwent at New Norfolk||1.28||Rising||09:24 AM WED 08/06/16|
This advice is also available by dialling 1300 659 216. Warning, rainfall and river information are available at www.bom.gov.au/tas/flood. The latest weather forecast is available at www.bom.gov.au/tas/forecasts.


CYZ-A type explosion-proof self-priming centrifugal oil pump
Model No.: BODA-204
Product Name: S Series Double Suction Pump
Packaging: wooden box
Place of Origin: china
Supply Ability: 500
HS Code: 4101201190
Flow rate: 3.2-500m3/h
Temperature: -20-80 ° C
Material: cast iron, stainless steel
Seal: Corrosion resistant mechanical seal
Main features of CYZ-A self-priming oil pump
1. It is a self-priming centrifugal pump, which has the advantages of simple structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life and strong self-priming capability. There is no need for a bottom valve in the pipeline, and it is only necessary to ensure that the pump body has a certain amount of oil before the work. When used on a tanker or water delivery vessel, it can double as a sweeping pump, and the sweeping effect is good.
2, is made of high-quality materials, sealed with hard alloy mechanical seal, durable, no need to install safety valve in the spit pipe, the suction pipe does not need to install the bottom valve, thus simplifying the piping system and improving labor condition.
CYZ-A self-priming oil pump
(1) Preparation and inspection before starting:
1. CYZ-A centrifugal oil pump is lubricated with high-quality calcium-based butter and No. 10 oil according to the working condition of the pump. If the pump is lubricated with butter, it should be regularly filled with grease into the bearing housing. If the oil level is insufficient, add enough
2. Check whether the liquid in the CYZ-A self-priming centrifugal oil pump casing is higher than the upper edge of the impeller. If it is insufficient, the liquid can be injected directly into the pump body from the filling port on the pump casing, and should not be stored. When the liquid is running out, the pump will not work properly and the mechanical seal will be damaged.
3. Check if the rotating parts of the CYZ-A self-priming centrifugal oil pump are stuck or bumped.
4. Check whether the CYZ-A self-priming centrifugal oil pump body foot and the joint nut are loose.
5. Check the coaxiality or parallelism of the CYZ-A self-priming centrifugal oil pump shaft and the motor shaft.
6. Check if the inlet pipe of CYZ-A self-priming centrifugal oil pump leaks. If there is air leakage, it must be managed to eliminate it.
7. Open the valve in the suction line and slightly open (not fully open) the outlet control valve.
(2) Stop the pump
1. First, the gate valve on the discharge line must be closed.
2. Stop the pump from rotating.
3. In the cold season, the liquid in the pump body and the water in the cooling chamber of the bearing body should be emptied to prevent cracking of the machine parts.


Craigleith Road, Edinburgh
This investment project will help reduce the risk of flooding in the lower area of Craigleith Road in Edinburgh. It will increase the capactiy of the sewer network to help better protect properties and streets from sewer flooding at time of heavy rainfall.
What we are doing
Work will involve the installation of new, larger diameter sewer pipes on Craigleith Road and Orchard Bank, along with the construction of a 12 metre diameter, 10 metre deep storm water storage tank within land on the south east corner of the former Royal Victoria Hospital site adjacent to the existing gate house. During the works there will be traffic management needed and local road closures on Craiglieth Road, Orchard Bank and Orchard Place.
Why we are doing it
A number of residents in the area have previously been affected by sewer flooding. The work being done here will increase the capacity of the local waste water network and will provide extra storage during heavy rainfall. This improvement project will help reduce the risk of flooding in the lower area of Craigleith Road.


The 2,000MW Lower Subansiri hydroelectric power project (LSHEP) is located on Subansiri River, which is on the border of India’s two north-eastern states, Arunachal Pradesh and Assam. The project is being developed by the state-run National Hydro Power Corporation (NHPC).
The construction of Lower Subansiri started in 2005 and was due to be completed in 2010. However, the project was delayed due to stiff opposition over its potential environmental impact.
In early 2013, the project was more than 50% complete, but the construction works were stalled for an indefinite period because of strong resistance. As a result, the target commissioning date of the project was pushed back to 2017.
The LSHEP will be the single largest hydroelectric plant in India when completed. The project is expected to be completed in 2023.
Controversy around the Lower Subansiri power project
Resistance to the ongoing hydroelectric project was shown in the form of a far-reaching anti-dam movement. It is alleged that the dam is located in a seismic zone and it is significantly under-designed to resist earthquakes. The fluctuation of water level in the river is also feared to affect the ecology in the lower Subansiri region in future.
The project displaced 38 families, but it is claimed that it will displace many more people residing downstream of the project because of ecological changes endangered by the project. The project is also alleged to affect cultivation and cattle graze in the downstream area.
In December 2012, NHPC set up an independent dam design review panel to facilitate the progress of the project while taking into account the issues advanced against the dam from different quarters.
Lower Subansiri power project background
The Lower Subansiri hydroelectric power project is being developed as part of India’s 50,000MW hydropower programme initiated in May 2003.
The Central Electricity Authority (CEA) conducted pre-feasibility studies of 162 projects as part of the initiative, among which a total 5,600MW was planned on Subansiri River.
The Subansiri hydropower project was envisioned as a megaproject with three components, including the 2,000MW Upper Subansiri HEP, the 1,600MW Middle Subansiri HEP and the 2,000MW Lower Subansiri HEP.
The Lower Subansari HEP received clearance from the government in August 2003, following which NHPC started developing the project.
The cost of Lower Subansiri project was originally estimated to be INR62.85bn ($1.16bn) at 2002 price level but was since revised to INR106.6bn ($1.97bn) at 2010 price level. The project cost is expected to further go up because of the delay.
The project cost was met through 70% equity and 30% debt financing by the provision of a term loan. The central government is providing budgetary support as part of the equity component.
Lower Subansiri hydropower project design
The Lower Subansiri HEP is designed as a run-of-the-river power project on the lower reach of Subansiri River, a tributary of River Brahmaputra. River Subansiri flows from Arunachal Pradesh into Assam where it joins the Brahmaputra.
The LHSEP consists of a concrete gravity dam, which will be 116m high from the river bed level and 130m from the foundation. The length of the dam will be 284m. The gross storage capacity of the reservoir will be 1.37km3.
The powerhouse will be equipped with eight 250MW Francis turbines located on the surface on the left bank of the river. It will also have eight horseshoe-shaped headrace tunnels (diameter 9.5m and length varying from 608m to 1,168m), eight horseshoe-shaped surge tunnels (diameter 9.5m and length varying from 400m to 485m) and eight circular penstocks (diameter varying between 400m and 485m and length between 7m and 9.5m).
A tailrace channel (35m-long and 206m-wide) will take the water discharged by the turbines back to the river.
Construction of the Lower Subansiri hydroelectric project
The hydroelectric project lies partly in Assam and partly in Arunachal Pradesh. The dam is located in the Dhemaji district of Assam, 2.3km away from Gerukamukh, while the powerhouse is located in the Subansiri district of Arunachal Pradesh.
The construction contract was awarded by NHPC in December 2003. The construction did not commence until 2005 because of delays due to land allotment issues.
The diversion of the river was completed in April 2007. Then, the excavation works were carried out. The dam was subject to redesign in October 2008.
The construction was further suspended for five months in 2009 because of the monsoon season. In November 2011, the dam excavation and associated tunnelling works made some progress. The construction was halted in December 2011 because of protests.
In December 2012, approximately 55% of the project was complete. The excavation of the dam and the powerhouse was finished with only the concreting work left. The diversion tunnel of the river was also complete.
Approximately 60% of the hydro-mechanical equipment and 95% of the electro-mechanical equipment for the project was supplied by December 2012.
Construction will resume only after the completion of the fresh independent review of the project design by the panel appointed by NHPC. The National Green Tribunal gave the nod to the project in July 2019, allowing it to resume construction in October 2019. NHPC signed a memorandum of agreement (MoA) with the Assam Government in August 2019 and received approval for the project.
Contractors involved with the Lower Subansiri hydropower project
A contract worth INR10.98bn ($202m) to build the dam and associated structures was awarded in December 2003 to a consortium comprised of Boguchandgesstroy, Soyuzgidrosptsstry and Soma Enterprise.
In January 2004, the Engineering Construction & Contracts (ECC) division of Larsen & Toubro was awarded an INR9.2bn ($169m) contract for the civil and structural work related to water diversion, tunnelling and the powerhouse.
Alstom was contracted to supply the turbine and generator sets of the hydroelectric power plant in April 2005.
Texmaco was awarded a contract worth INR2.96bn ($54m) in June 2006 for supplying the complete hydro-mechanical package for the power plant.


Downloads and Resources
Shutter Valve Catalog
This catalog shows the features that make the Shutter Valve the first major innovation in flow control in the last 50 years. The parts schedule and application areas are also included.
Liquid Flow Charts
The downloads below show the flow characteristics for various Shutter Valve sizes in the full open condition, at estimated volumetric flow rates (US GPM) & pressure drop at the various flow velocities (ft/s). Assumed media is 60 degree F water.


Aurora End Suction Centrifugal 3600
- Superior hydraulic design for higher efficiencies and reduced operating cost.
- High efficiency double curvature impeller vanes.
- 32-300mm discharge
- Cast iron or stainless steel construction.
- Wide range of options
- Standard flange drilling to PN16
- pullout design allows removal of the pump rotating element without the removal of suction and discharge lines for maintenance.
- Heavy duty sealed for life grease packed ball bearings. Taper mounted and keyed impeller. Horizontal or vertical pump discharge mounting.


The Flood Warning continues for
the Mississippi River near Greenville
* until Wednesday morning.
* At 8:00 PM Saturday the stage was 48.8 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Flood stage is 48.0 feet.
* Forecast... the river will continue to fall to below flood stage by
* Impact... at 48.0 feet... water begins to cover the dirt Road leading
to the farmers grain terminal facility which is north of the new
* Impact... at 45.0 feet... bottomland near river is flooded.
* Impact... at 44.5 feet... Road to bunge corporation grain elevators is
* Impact... at 43.5 feet... Lower Lake Ferguson Road begins to flood.
* Impact... at 42.0 feet... flooding is occurring around Lake Ferguson.
Flood observed forecast 6am crest
location stg stg day time sun Mon Tue crest time date
Lower Mississippi River
Greenville 48 48.8 Sat 08 PM 48.8 48.7 48.3 cresting