Cascade of Kuban Hydro Power Stations
The Cascade Hydro Power Stations stretch for over 235 km (146 mi) with the projected capacity of 38.6 Giggo Vatts. The concretes surfaces of four Cascade Hydro Power Stations: Yegorlykskaya, Kurshavskaya, Barsuchkovskaya and Sengileyevskay were treated with PENETRON.
PENETRON and PENETRON ADMIX were used in all four of the hydro power station. In addition, PENEBAR was used to ensure impermeability of the major reinforced concrete pipelines’ seams at Kurshavskaya Hydro Electro Station.


PUNE: The water storage available in 91 major reservoirs of the country as on October 15, 2015 was 93.951 BCM, which is 59 per cet of total storage capacity of these reservoirs. This was 78 per cet of the storage of corresponding period of last year and 76 per cent of storage average of last ten years states, the ministry of water resources has said.
The total storage capacity of these 91 reservoirs is 157.799 BCM which is about 62 per cent of the total storage capacity of 253.388 BCM, which is estimated to have been created in the country.
The western region includes states of Gujarat and Maharashtra. There are 27 reservoirs under CWC monitoring having total live storage capacity of 27.07BCM. The total live storage available in these reservoirs is 16.30 BCM which is 60 per cent of total live storage capacity of these reservoirs. The storage during corresponding period of last year was 79 per cent and average storage of last ten years during corresponding period was 83 per cent of live storage capacity of these reservoirs. Thus, storage during current year is less than the storage of last year and is also less than the average storage of last ten years during the corresponding period.
States having better storage than last year for corresponding period are Himachal Pradesh, Punjab and Tripura. States having lesser storage than last year for corresponding period are Rajasthan, Jharkhand, Odisha, West Bengal, Gujarat, Maharashtra, Uttar Pradesh, Uttarakhand, Madhya Pradesh, Chhattisgarh, Andhra Pradesh-Telangana (two combined project in both states) Karnataka, Kerala and Tamil Nadu.


The contract for the relocation of the KKH (Karakorum Highway) around the Dasu site and the construction of the right bank access road was let to CCECC (China Civil Engineering Construction… View More
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The Contract for the review of the design of Diamer–Bhasha dam in Pakistan was awarded to Mott MacDonald Inc. by USAID. MD&A are the RCC specialists for Mott… View More
The Contract for the resettlement of villages in the Dasu reservoir area was awarded to the China Railway First… View More
The Contract for the design and construction supervision of Mwache dam in Kenya was awarded to Nippon Koi. MD&A are the RCC dam specialists for the… View More
The bids for the two main Contracts for the construction of the Dasu HEP were opened, MW–01 for the dam itself and MW–02 for the tunnels and Power… View More
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Vyasi Hydroelectric Project
Vyasi Hydroelectric Power (HEP) 120 MW is constructed in Dehradun, Uttarakhand, India by Uttarakhand Jal Vidyut Nigam Ltd. (a state government generation utility), India. The project is a run-of-river scheme on the river Yamuna.
The project involves the construction of an 86 m high concrete gravity dam with a 113.92 m long top, a 2.7 km long with a 7 m dia headrace tunnel, and a surface powerhouse at Hathiari village. The project comprises two hydro generating sets of 60M W each with vertical Francis turbines.
Encardio-rite was awarded the sub-contract for the monitoring works for the risk assessment of the HEP, including 86 m high concrete gravity dam.
Encardio-rite turnkey scope of works included supply, installation, commissioning, and calibration.
- Pore Pressure Gages
- In-place Inclinometer
- Automatic Water Level Measuring Gauge
- Concrete Pressure Cell
- Strain Meter EDS-11V (Group Of Five)
- Load Cells
- Uplift Measuring Instrument
- Joint Meters (One Directional)
- Joint Meters (Three Directional)
- Borehole Extensometers (Multipoint) Electric Type
- Direct & inverted Plumb Line
- Temperature Gages
- Standpipe Piezometer
- Seepage Measuring Weir
- Water level sounder
- Strong Motion Accelerographs


The hydrostatic submersible pressure sensor VEGABAR 87 with metallic measuring cell measures the level of liquids and viscous media with high process temperatures (high temperature).
The robust mechanical configuration of the metallic measuring cell protects the sensor in the demanding measuring tasks found in different industries, e.g.
- chemically stable level measurement in ultrapure water
- water level measurement with two hydrostatic pressure sensors for lock control
- Maintenance-free level measurement in waste water shafts


Welfare Road Culvert Replacement over East Branch Croton River
A Bridge NY Funded project, HVEA provided the preliminary and final design services for the replacement of the Welfare Road Culvert. This replacement project followed the procedures for locally administered federal aid projects and had an accelerated schedule requiring design and ROW acquisition to be completed within 18 months in order to meet the Bridge NY timing requirements.
This project includes the removal of a 5′ diameter failing corrugated metal pipe with a box culvert with increased hydraulic capacity. The road will be widened minimally and the culvert extended to provide an improved shoulder. In addition, bridge rail and guide rail will be upgraded to current safety standards.
This project includes:
- Bridge NY Funded project
- NYCDEP watershed
- Hydraulic concerns
- Accelerated design and construction schedule


Hydropower plant Rama, Bosnia and Herzegovina
Elektroprivreda of Bosnia and Herzegovina
High technology, equipment and materials were applied to the rehabilitation works of the water level hub and the vertical shaft of the Rama hydroelectric power plant.
The rehabilitation of the concrete structure was carried out by installing rod anchors, injecting and sealing special materials. 9,500 m3 of heavy load-bearing scaffolding was built on hard-to-access terrain for workers and machinery. Scaffolding was also built in the shaft itself and working platforms that provided access to the rehabilitation zones.


Approach and Outcomes
Two preliminary design options were developed to provide immunity options (63.2% and 10% AEP). Following the hydrologic and hydraulic assessment of the two preliminary design options and discussions with Council, the preferred design option for the Drummond Creek crossing upgrade was chosen. The final design for this option was however modified from the preliminary design with changes made to the width, alignment, crossfall and batters to ensure that the proposed roadworks will cater for the requirements of a 90 km/hr design speed environment. The aim was to minimise the extent of these works while ensuring that the design speed was achieved.
Several iterations of the design were tested, with model results being used to inform the design process. Final design mapping and drawings as well as details on the scour assessment, proposed scour protection and flood impact assessment for the final design were provided. The bill of quantities and a detailed cost estimate to enable Council to solicit bids for project construction was also delivered as part of the project.


Voith is to supply two Pelton 60 MW turbines and a 60 MW storage pump for the Ritom pumped storage power plant in Switzerland.
The plant, which has been in operation since 1920, is being replaced by a new CHF250 million facility. The client and plant operator is Ritom SA, a joint venture between Swiss Rail (SBB) and the canton of Ticino.
The Ritom pumped storage power plant’s four Pelton turbines, with a total rated output of 44 MW, will be replaced by much more powerful generating units in the new facility. Voith will be responsible for the design, fabrication, installation and commissioning of the two Pelton 60 MW turbines and the 60 MW storage pump.
The first machine unit will supply power for the 16.7 Hz Swiss Rail network and the operation of its trains. The second will feed the electricity it generates into the 50 Hz public grid. The third unit, a 60 MW capacity storage pump with a delivery head of more than 700 m, will pump the water for reservoir management and to provide balancing power (operating reserve) from the Airolo basin to Lake Ritom. In combination with the turbine, the pump can provide the operating reserve for fast grid regulation and stabilization with maximum flexibility. This means that the new power plant will provide a feed-in reserve/intake balance of 60 MW for the 50 Hz Swiss grid. “In addition, the storage pump can be speeded up with the help of the 50 Hz Pelton turbines using back-to-back starting and synchronized with the grid. In this situation the power of the turbine is used to start the pump in the water,” explains Christian Matten, Project Manager at Voith Hydro Europe.
The new plant is scheduled to go into operation in mid-2023.


The works include Construction of Urban Water Supply Facility consisting of 1. Pul-e Charkhi Well Station, 2. Water transmission line 15 km, and distribution pipeline network about 16 km and 3. Water pressure regulating reservoir (elevated tank) in New Kabul City, Afghanistan. This is 2 years Contract with UNOPS in Afghanistan. CRIDA also supervise all construction stage of the project during the project life.
Green Tech awarded this project in Joint Venture (JV) of Omran Holding.


18th & Kellogg Reservoir
This ten-month project is currently under construction for the City of Kennewick. As a tank subcontractor we are constructing a new 6MG AWWA D110 Type I prestressed concrete reservoir to replace the existing demolished 10MG reservoir. Reservoir construction includes a 194’ diameter 24” (2’-0”) thick slab foundation, 31’-6” tall concrete walls, 52 columns and 10” thick roof slab. The reservoir will be completed as scheduled in August 2021.


Maytag W10865826 (Primary) Water Valve
Has 1/4 inch threaded inlet – 5/16 inch easy slip outlet
Replaces Part Numbers: WPW10238100, W10238100, PS11750831, W10498992, AP6017532, AH11750831, EAP11750831, WPW10394076, W10833705, 2979596, AP5670807, EAP7320545, PS7320545, AH7320545.
Also used with WPW10341329 Dual Water Valve (Secondary)
Also used with WPW10341320 Dual Water Valve (Secondary)
Also used with WPW10455331 Dual Water Valve (Secondary)


Hydroelectricity is Japan's main renewable energy source, with an installed capacity of about 50 GW (including pumped storage) and a production of 69.2 TWh of electricity in 2009, making Japan one of the biggest hydroelectricity producers in the world. Most of Japanese hydroelectric power plants are pumped-storage plants. Conventional hydropower plants account for about 20 GW out of the total installed capacity as of 2007.
Conventional hydropower potential of Japan is considered to be almost fully developed, with little opportunity for further capacity increase. In recent years, almost exclusively pumped storage plants were commissioned, significantly increasing the ratio of pumped storage capacity over conventional hydro. The large capacity of pumped storage hydropower was built to store energy from nuclear power plants, which until the Fukushima disaster constituted a large part of Japan electricity generation. As of 2015, Japan is the country with the highest capacity of pumped-storage hydroelectricity in the world, with 26 GW of power installed. After the 2011 nuclear power shutdowns, pumped-storage plants have been increasingly used to balance the variable generation of renewable energy sources such as solar, which have been growing rapidly in recent years.
As of September 2011, Japan had 1,198 small hydropower plants with a total capacity of 3,225 MW. The smaller plants accounted for 6.6% of Japan's total hydropower capacity. The remaining capacity was filled by large and medium hydropower stations, typically sited at large dams. Cost per kilowatt-hour for power from smaller plants was high at ¥15-100, hindering further development of the energy source.


Payment & Shipping Terms:
|Materials:||High Chrome Alloy||Inlet:||600mm|
chrome alloy submersible sand dredging pump,
40m head submersible sand dredging pump,
high chrome alloy sand dredge pump
Dredging Gravel Sludge Sand Centrifugal Slurry Pump refers to a machine that increases the energy of solid and liquid mixed medium by means of centrifugal force (rotation of the impeller of the pump) and converts the electric energy into the kinetic energy and potential energy of the medium.
Under the action of centrifugal force, the liquid is thrown from the center of the impeller to the outer edge and obtains energy, leaving the outer edge of the impeller at high speed into the cochlear pump shell. In the cochlear pump case, the liquid slows down due to the gradual expansion of the flow channel, and part of the kinetic energy is transformed into static pressure energy, and finally flows into the discharge pipe at a higher pressure, and is sent to the place where it is needed. When the liquid flows from the center of the impeller to the outer edge, a certain vacuum is formed in the center of the impeller. Because the pressure above the liquid level of the storage tank is greater than the pressure at the inlet of the pump, the liquid is continuously pressed into the impeller.
Structural features of sand dredge pump:
1.The overall structure is good for marine use
Simple and reliable structure
Easy to disassemble, easy to maintain
2. Good dredging performance
Good cavitation performance
Strong overcurrent capability, suitable for promotion
Various configurations of pump performance are possible
3. Good wear resistance and long life of overcurrent components
Among the flow parts of sand dredge pump, the impeller, sheath, front and rear guard plates (wear-resistant lining plates) are made of strong wear-resistant alloy cast iron with a hardness of not less than 58HRC. High anti-abrasion properties.
The slurry pump delivers a mixture of solid particles containing dross and water. But the principle of slag slurry pump belongs to a centrifugal pump, in the iron and steel enterprises is mainly used for the converter dust removal water, blast furnace gas washing water, continuous casting turbid ring water, and steel rolling turbid ring water system of mud transport.
Pump head structure. The pump body uses a double pump shell (inside and outside double metal structure), the double pump shell structure is vertical open, and the outlet position can be installed at 45° intervals, rotating in 8 different positions. In order to effectively prevent shaft seal leakage, the combination of dynamic seal, packing seal, or mechanical seal is adopted. The impeller and the back guard plate are equipped with a labyrinth clearance seal, which greatly reduces the leakage of slurry to the packing box and effectively ensures the reliability of the seal. The impeller is equipped with a back blade to discharge the backflow slurry in time, so as to improve the volume ratio, reduce the backflow and erosion, and improve the lives of the flow parts. In order to facilitate maintenance and disassembly, the disassembly ring is provided to avoid the phenomenon of cutting the shaft caused by the disassembly.
Bracket structure. In order to extend the service life of the bearing, the hydraulic design and structural design were optimized. The radial force and axial force are reasonably distributed, and the bearing form, type, cooling and lubrication mode are correctly selected, so as to meet the requirements of low heat and high life of the bearing.
Shaft seal form. The shaft seal device serves as a seal between the pump body and the pump shaft. Can prevent air intrusion into the pump and a large amount of water leakage from the pump. Centrifugal slurry pump seal form is usually adopted, vice impeller and packing seal, packing seal is hydrodynamic seal, vice impeller head resistance generated by vice impeller impeller outlet liquid leakage, at the same time using impeller cover plate set back water sealing ring and packing to prevent the air into the, again with back packing place of leaf and water seal ring to reduce the pressure, have prevent impurities from entering the sealing effect.
Slurry pump parameters figure
Mainly applicable to: mining, power plant, dredging, metallurgy, chemical, building materials and petroleum and other industries.
Contact Person: admin


USA: Hampton Harbor Dredging Kicks Off
The dredging project at the Hampton Harbor has officially begun, reports newburyportnews.com.
This program includes dredging of around 120,000 cubic yards of sand from the bottom of Hampton Harbor.
Army Corps of Engineers officials said that, if everything goes according plan, this project should be completed by the end of the year.
The majority of the dredged sand will be placed onto Seabrook beaches.
Project manager Richard Heidebrecht stated that once the dredging project is finished, the Hampton Harbor will be 8 feet deep at low tide.
Dredging Today Staff, November 21, 2012


SES Flood Update – Wentworth, Dareton, Buronga, Gol Gol
SES Flood update for Wentworth and Dareton, Buronga, Gol Gol released 5.15pm on 28-11-2022.
The Murray River at Wentworth may reach 34.00 metres AHD late this week (around 02-04 December), with major flooding.
The river is currently 33.88 (AHD) metres and rising with major flooding higher than the 1975 flood. The river level is likely to peak in early December.
Dareton, Buronga, Gol Gol
The Murray River at Mildura Weir may peak near 38.30 metres AHD around Thursday, with moderate flooding. Due to the breakout near Euston, the flood peak at Mildura may be relatively short.
The river is currently 38.07 metres and rising.


ELLEN TEMBO in Kafue Gorge –
WORKS at the USD2.1 million Kafue Gorge lower hydropower plant project works have covered 80 per cent and the whole project is expected to be completed soon, Zesco managing director Victor Mundende has said.
Mr Mundende said the development of the project is on course and expected to complete the power station by mid 2020.
He said this during a presentation to the Parliamentary Committee on parastatal bodies in Kafue yesterday. Read more


San Roque – Agno is a 435MW hydro power project. It is located on Agno river/basin in Ilocos, Philippines. 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 1998 and subsequently entered into commercial operation in 2003. Buy the profile here.
The project was developed by San Roque Power. The project is co-owned by Marubeni and The Kansai Electric Power, with their respective ownership stake of 50% each.
The gross head and net head of the project are 180m and 150.4m respectively. The penstock length is 1,300m. The penstock diameter is 3.5m. The project generated 1,000 GWh of electricity. The project cost is $1,190m.
The project construction commenced in 1998 and subsequently entered into commercial operation in 2003.
Power purchase agreement
The power generated from the project is sold to National Power under a power purchase agreement for a period of 25 years.
AECOM and AECOM Global II were selected to render engineering procurement construction services for the hydro power project.
Toshiba was selected as the turbine supplier for the hydro power project. The company provided 3 units of francis turbines.
Toshiba supplied 3 electric generators for the project. The generator capacity is 150 MVA.
For more details on San Roque - Agno, buy the profile here.


YICHANG (Hubei), Jan. 11 -- The first underground turbine of the world's largest hydropower project is expected to be put into operation in 2011, according to the China Three Gorges Corporation (CTGC).
A 700,000 kw underground turbine is expected to start operation in July 2011, while the rest five will be put to use by 2012, CTGC said in a working conference Saturday.
According to the plan, construction of the underground power station will be completed in 2010, which will be followed by the installation of the six turbines, including four solely developed by China.
The company said it hoped three turbines could enter operation by the flooding season in 2011.
Upon the full operation of the underground power station with a total capacity of 4.2 million kw, the Three Gorges project, which also has 26 hydropower turbo-generators, will have a installed capacity of 22.5 million kw, generating the maximum amount of electricity at 100 billion kwh a year.
Launched in 1993, the hydroelectric project is built near Yichang in central China's Hubei Province to tame the unruly Yangtze River and fuel China's economic development with clean and cheap energy.
The project mainly includes a 185-meter-high dam, a five-tier ship lock and 32 generators, 26 of which are on the river banks and all had gone into operation by October last year, with installed capacity totaling 18.2 million kw.
As of Dec. 31, the world's largest hydroelectric project had generated about 367 billion kwh of electricity since its first generator was put into operation in July 2003.


The parallel groundwater model for 2D unsteady seepage flow with finite element method is established. The message passing interface is applied to simulate saturated unsaturated seepage flow on Windows NT. To solve the el iptic differential equation,the implicit numerical scheme is applied and a parallel generalized minimal residual algorithm is used to solve the large sparse linear system. In order to improve the performance of the parallel program,multiple techniques are used,such as load balance,communication improvement and global operations. To verify the model,the seepage flows through the coffer dam of Xiluodu hydropower station and two kinds of unsteady seepage flows are simulated The results obtained are reasonable. In the end,the speedup of the parallel comput ing model is evaluated. It can be seen that bet er parallel performance is achieved as the computat ional scale increases.


New airport contract for Japan firm
JAPAN'S Aoki Corporation has been awarded a $188 million contract for a drainage system on reclaimed land that will form part of the new airport project, the Government announced yesterday.
Work on the reclamation project will start next month and is expected to be completed in 1996.
The project includes reconstruction and improvement of an existing drainage system on reclaimed land in Kowloon.
The Government has now awarded 30 contracts worth $38.5 billion in connection with the airport project.


The Centre is planning to give a major thrust to hydroelectric power projects with a total investment of around Rs 51,000 crore.
After the government’s decision to come up with the Kwar Hydro Project, two more projects are in pipeline and the Power Ministry will soon seek Cabinet nod for the same.
The total investment in under construction hydro projects in Jammu and Kashmir stands at Rs 23,000 crore, with the latest decision to construct the Kwar Hydro Project. Apart from this, two more projects will be undertaken. It is in the final stages.
These two projects will add another 2,800 MW of capacity. The two projects would come with an additional investment of Rs 28,000 crore.


Ultraflow offers an extensive range of submersible pumps for sewage, stormwater, wastewater and mine dewatering. These pumps are well recognized in the market place for there durability and reliability. This can be attributed to the quality sealing system and cable entry method The entire range of Ultraflow submersible pumps are fitted with a dual mechanical seal system which is located in an oil chamber plus an additional lip seal. The seal faces of the lower mechanical seal are silicon carbide / silicon carbide. All power cables are fitted with an anti-wicking gland which eliminates the possibility of water entering the motor via the power cable. Ultraflow also manufactures complete packaged pumping stations consisting of reinforced fibreglass pumpwells, a range of access covers, submersible pumps, internal pipework and valves, valve pits, electrical control panels and level switches. Ultraflow designs and manufactures electrical control panels for any type of pump system. Ultraflow is a division of General Pump Company which has been operating successfully since 1975.


MoPW – Lambakan Dam Development – East Kalimantan - Project Profile
"MoPW – Lambakan 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 "MoPW – Lambakan 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 Ministry of Public Works Republic of Indonesia (MoPW) is planning to construct the Lambakan dam in East Kalimantan, Indonesia.
The project involves the construction of a dam to provide irrigation water.
It includes 15MW Hydro Electric Power Plant, flood embankment in Telake watershed and access roads.
In March 2017, planning application was submitted for approvals.
In third quarter of 2017, PT Teknika Cipta Konsultan and PT Wahana Adya were appointed to undertake detailed engineering design (DED) revision, environmental impact analysis (EIA) and study activities.
Study activities are underway for the preparation of detailed engineering design and environmental impact analysis report.
Construction work are expected to commence in 2019.
The project involves the construction of a dam to provide irrigation water in Paser, East Kalimantan.
The US$485 million project includes the following:
1. Construction of a 15MW Hydro Electric Power Plant
2. Construction of flood embankment in Telake watershed
3. Construction of access roads
Reasons To Buy


6×112 MW Birecik Hydroelectric Power Plant and Birecik Dam
The Birecik Dam and Hydroelectric Power Plant is located on the Euphrates river in the South Eastern part of Turkey. Birecik Dam and Hydroelectric Power Plant is located on the Euphrates river in the South Eastern part of Turkey. Dam crest is more than 2.5 km. long and consist of earth embankment dams on the left and right banks of the river, having a concrete gravity dam section in between, which integrates the spillway and the intake structure to the powerhouse. The dam height is 62.5 m. Power house is equipped with six Francis turbines with 112 MW each, with a total capacity of 672 MW. An annual electricity production of about 2.5 billion kWh is anticipated. In addition, the 56 km2 reservoir is planned to be used for irrigation of 70,000 hectares of farmland. The project is implemented on a “finance-built-operate-transfer” bases, with an operation period of 15 years.
This is the first major project in Turkey to be implemented on finance-built-operate-transfer basis.


HD4180 Hydraulic Valve
An all-in-one hydraulic motor and valve assembly
The DICKEY-john HD 4180 is a combination hydraulic motor and proportional hydraulic valve used in conjunction with a ground speed control system. Use on planters and air seeders to rotate the seeding shafts instead of using ground-driven gear boxes.
Utilizing hydraulic and ground speed systems allow for manual or variable rate adjustments to the seeding population per acre while moving through the field.
There is no need to change sprocket rations or gear box settings to adjust population. Simply set the desired application rate with the ground speed control system, which will automatically adjust the hydraulic flow to the HD 4180.
• 0-4 gpm hydraulic flow delivers 4-180 rpm at 1,400 inch pounds of torque.
• Eliminates ground drive system to rotate seeding shafts.
• Install up to four units in series to control multiple planter sections or fertilizer application.
• Interface with a ground speed control system for variable rate control of planter and fertilizer application in the field.
• Manual override of hydraulic flow in the event of electrical failure.
Hydraulic Motor and Valve - #46709-2200S1
Mounting Bracket and Hardware - #46709-2219S1


Jan 18: Initial dredging works in connection to a upcoming Storage Refasification Unit (FSRU) has been started recently. 8The project is worth Rs. 5600 crore. 8An EPC contractor for marine and dredging work, worth Rs. 2115 crore, has been selected. 8Groundwork for the project was started in November, 2016 and the Capital Dredging and Reclamation Process will be completed by December, 2017. 8Future RFQ’s are expected to released before dredging works are completed, Q-4, 2017. Click on Details for more.


Predictive Control Strategy of Hydraulic Turbine Turning System Based on BGNN Neural Network
A model predictive control (MPC) strategy based on a novel Bayesian-Gaussian neural network (BGNN) model was proposed for the controller design of hydraulic turbine in this paper. The BGNN was used to learn the nonlinear dynamic model of controlled hydraulic turbine on-line as the predictive model for the design of MPC controller. Experiments show that the proposed nonlinear MPC strategy based on BGNN performs much better than the conventional PID controller.
KeywordsHydraulic Turbine BGNN Predictive Control neural network
Unable to display preview. Download preview PDF.
- 1.Jiang, C.: Nonlinear Simulation of Hydro turbine Governing System Based on Neural Network. In: IEEE International Conference on System, Man and Cybernetics, pp. 784–787 (1996)Google Scholar
- 2.Xu, F., Li, Z.: Computer Simulation about Hydraulic Generator Set. Hydraulic and Electric Power Press, Beijing (1998)Google Scholar
- 8.Jiang, C., Xiao, Z., Wang, S.: Neural Network Predict Control for the Hydro Turbine Generator Set. In: The Second International Conference on Machine Learning and Cybernetics, pp. 2–5 (2003)Google Scholar


Downstream pressure reducer-stabilizer for high pressure, pn64
The direct acting pressure reducing valve Mod. RDA reduces and stabilizes the downstream pressure to a
constant value, regardless of flow rate variations. It can be used for water, air and fluids in general up to a
temperature of 70° C and a maximum pressure of 64 bar.
Technical features and benefits
Flanged version DN 50-150 PN 64 rated.
Ductile cast iron cap and body in electro-welded steel, piston and mobile block in stainless steel.
Upstream and downstream pressure balanced, to stabilize the downstream pressure to a pre-set (and adjustable) value regardless of upstream pressure variations without creating unwanted upsurges.
Innovative self cleaning piston technology (patent pending) to improve performances reducing maintenance operations.
Mobile block composed of three components in gun metal/stainless steel obtained by CNC to ensure the maximum accuracy and sliding precision, this is to avoid friction and unexpected leakage.
Upstream and downstream pressure outlets for gauges.
Large expansion chamber and materials providing an excellent resistance to cavitation and long lasting performances.
Epoxy powder applied using FBT technology.
Water distribution systems for high pressure ratio.
Industry and cooling systems.
Dams and power plants.
- Main Material
- Ductile iron


Lock and Dam 3 Navigation Improvements and Lower Embankment Design-Build
Kraemer completed two successive award-winning projects for the U.S. Army Corps of Engineers (USACE) St. Paul District, which were the first contracts awarded by the district using the Design-Build delivery method. Work on the navigation improvements project included extending the guidewall approximately 875 feet upstream and modifying the river flow to reduce the outdraft condition at the lock and dam. The new guidewall was constructed using 24 inch pipe pile that supported a cast-in-place concrete wall and that was divided into eight monoliths. The wall further protected at the upstream end with a 50-foot diameter concrete filled sheet pile cell. The guide wall was further protected by construction of an earthen dike that tied the new wall to the existing USACE dock facility. Modifications to the channel included dredging and pricing of sand and capping the sand material with rip rap. Kraemer’s scope on the new improved embankment system was to construct a portion consisting of outlet structures, embankments, and several spillways. Unique challenges to the project included strict environmental restrictions regarding the protection of Bald Eagles, certain tree species, and mussel beds as well as no road access requiring all construction and material to be accessed by water using barges only.


A numerical analysis has been performed to simulate the transient thermal-hydraulic response to a main steam line break (MSLB) for the secondary side of a steam generator (SG) model equipped with a venturi-type SG outlet flow restrictor at a pressurized water reactor (PWR) plant. To investigate the effects of the flow restrictor on the thermal-hydraulic response of SG to the MSLB, numerical calculation results for the SG model equipped with the flow restrictor are compared to those obtained for an SG model without the restrictor. Both analysis models contain internal structures. The present computational fluid dynamics (CFD) model has been examined by comparing to a simple analytical model. It is confirmed from the comparison that the CFD model simulates the transient response of the SG secondary to the MSLB physically plausibly and minutely. Based on the CFD analysis results for both cases with or without the restrictor, it is seen that the intensities of the steam velocity and dynamic pressure are considerably attenuated in the SG model equipped with the restrictor comparing to the case in the SG model without the restrictor.


Lower Modi project to generate power within a month
KUSHMA: The Lower Modi Hydropower Project located in Parbat district is expected to generate hydroelectricity within a month, the project officials confirmed.
The project with the capacity of 20 megawatt was scheduled to generate power in the last fiscal year but it got delayed due to locals' obstruction, natural disasters and other causes.
Project Chief Pawan Kumar Yadav said that landslides in the rainy season and flood in the project areas created difficulties to complete the project in the stipulated time."Now, we are working to deliver output soon," he added.
So far, 95 per cent of the total project works have been completed. As the ongoing tasks have been expedited, Yadav urged all not to harbour doubts on the completion of the project prior to Dashain festival.
The project would generate 117 million unit of hydroelectricity in a year.
The total cost of the project is likely to rise due to delay in project completion though it was expected to cost Rs 3.6 billion in the initial stage.


(KMVT/KSVT) - The Idaho Water Resource Board approved $730,000 for two projects that will increase the size of their managed recharge program.
One will include new turnout structures and head gates on the Richfield-Dietrich canal that will add 100 cubic feet per second (cfs) from the Big and Little Wood River.
The other project will expand the Egin Lakes recharge canal. Worth $580,000, it will add 60 cfs to the capacity.
The board plans to create enough system recharge capacity to maximize recharge diversions during high water years — like this past spring — to offset lower water years.


The Heavy Civil Infrastructure Business of Larsen & Toubro has secured an order from the prestigious Greenko group for development of an off stream pumped storage project in Madhya Pradesh. The Civil and Hydromechanical works of the project will be executed through a Consortium led by Larsen & Toubro, under a stringent timeline of 30 months. Upon completion, the project will be one of the largest clean energy projects of its kind in India. The Gandhisagar Pumped Storage Project, designed to meet a pumped storage capacity of 10,080 MWHr, envisages creation of an upper reservoir near Khemla block village, (about 75 Kms from Neemuch, Madhya Pradesh) while the existing Gandhisagar reservoir will be the lower reservoir. The project involves constructing an Upper Dam (to form the upper reservoir), Intake Structure with Approach Channel, Steel Lined Buried Penstock/Pressure Shaft (Vertical & Horizontal), Surface Powerhouse, Draft tube tunnel, Tailrace Outlet Structure, Tailrace channel, etc. Pumped hydro storage plants that store energy using a system of two interconnected reservoirs have assumed immense significance today given the increased adoption of inherent variability. Water is pumped to the upper reservoir in times of surplus energy and, in times of excess demand, water from the upper reservoir is released, generating power, with an overall cycle efficiency of 80% or more.


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Working temperature: Min. 5 °C/Max. 110 °C Ambient temperature: Min. 5 °C/Max. 60 °C Max. working pressure: 1.0 MPa (1 0 bar) Media 1 : Water - Glycol mixture max. 50% Thread standard: Rp - female thread Material, valve body: Brass
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Dubai Electricity and Water Authority (DEWA) has announced that construction of the Hatta pumped storage hydroelectric power plant has reached 52.61%, with the 72m main Roller Compacted Concrete (RCC) wall of the upper dam, and the 37m high RCC side wall at the project’s upper dam now complete.
The new power plant will use the stored water in Hatta Dam, and the upper dam that is built in the mountain. The plant will have a production capacity of 250MW, a storage capacity of 1500MWh and a life span of up to 80 years. This is the first station of its kind in the GCC region, with investments up to AED 1.421 billion. The project is planned for completion by the fourth quarter of 2024.
HE Saeed Mohammed Al Tayer, MD & CEO of DEWA, said that the pumped storage hydroelectric power plant in Hatta is part of DEWA’s efforts to achieve 100% of Dubai’s total power production capacity from clean energy sources by 2050. The project supports the comprehensive plan to develop Hatta and meet its social, economic, developmental and environmental needs, in addition to providing job opportunities for citizens in Hatta.


Home » Dams in Karnataka
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Results 1 - 10 of 115
Dams in Karnataka/Harangi Dam
About Harangi Photo Gallery Video Gallery MAPs Forum Nearest Attraction Harangi Dam Nearest Attraction Cauvery Nisargadama This place is located in the Kodagu (Coorg) district...
7. Kadra Dam
Dams in Karnataka/Kadra Dam
About Kadra Photo Gallery Video Gallery MAPs Forum Nearest Attraction Kadra Dam About: Kadra Dam is situated in Uttara Kannada district of Karnataka state in India. The dam is...
Dams in Karnataka/Kodasalli Dam
About Kodasalli Photo Gallery Video Gallery MAPs Forum Nearest Attraction Kodasalli Dam About: Kodasalli Dam is constructed across Kali river also called Kali nadi, flowing in Joida...
9. Almatti Dam
Dams in Karnataka/Almatti Dam
Tags: Almatti Dam
About Almatti Photo Gallery Video Gallery MAPs Forum Nearest Attraction Almatti Dam About: Alamatti is In Bijapur district B.Bagewadi Taluk. Dam hight is raised from 509 to 519 M [ SC order on April 26, 2000 ]. Under the...
10. Linganamakki dam
Dams in Karnataka/Linganamakki Dam
About Linganamakki Photo Gallery Video Gallery MAPs Forum Nearest Attraction Linganamakki dam About: The Linganamakki dam was constructed by the Karnataka State Government in 1964....
Page 1 of 12


Fortunate to be part of mega Diamer-Bhasha dam project: Faisal Vawda
ISLAMABAD: Federal Minister for Water Resources Faisal Vawda said on Wednesday that he is fortunate to be part of the mega Diamer-Bhasha dam construction project.
Speaking at a press conference, he said the construction work on the dam has started as per the vision of Prime Minister Imran Khan, lamenting that those opposing construction of dams in the country pushed the nation 50 years behind.
“Allah Almighty gave me an opportunity to complete the project that previously existed only on papers,” Faisal Vawda said. He announced he will take media teams to the construction site after upcoming Eidul Fitr.
Taking aim at opposition parties, the minister said they are perturbed over the government’s decision to start the construction work on the dam because they haven’t built any water reservoir during their stint in power.
Faisal Vawda disclosed the government spent Rs78 billion on development of the area where the dam is being constructed.
Last week, the Water and Power Development Authority (Wapda) awarded the contract for construction of the Diamer-Bhasha Dam. An agreement worth Rs442 billion was signed with a joint venture namely Power China-FWO for the construction of diversion system, main dam, access bridge and 21MW Tangir Hydropower Project.
Diamer-Basha Dam Chief Executive Officer Amir Bashir Chaudhry and authorized representative Yang Jiandu, signed the agreement on behalf of WAPDA and the joint venture respectively.


Missouri, United States — Emerson Process Management has been awarded a $28 million contract to control, protect and monitor 100 hydro units of the Dnipro hydroelectric complex for OJSC UkrHydroEnergo (UHE) – the main hydropower generating company of Ukraine.
The existing cascade of nine hydropower plants, with dams and reservoirs, has a total capacity of 4,590 megawatts. The hydro plants are located along a 1,000-kilometer stretch of the Dnipro River from Kiev to Nova Kahovska. The Emerson contract is part of a rehabilitation program of UHE’s hydro assets.
The first hydropower plant of this system was built in 1934, and the last project was completed in 1980.
This large modernization project will see Emerson serving as the primary automation contractor, responsible for control, protection and SCADA systems. Each of the nine UHE hydropower plants will be monitored and controlled by an Ovation control system.
Recently, Emerson Process Management installed its PlantWeb digital plant architecture with the Ovation expert control system at Unit 1 of the newly-commissioned Dnister pumped-storage hydropower plant in Ukraine. The plant will be one of the largest pumped-storage hydro projects in the world.


Hydroelectric power plant, Romanche-Gavet, France
France’s largest hydroelectric project is the replacement of six power plants with an underground hydroelectric facility and an upstream dam at Romanche-Gavet in the northern Alps of the southeastern Isère region. The project, carried out for EDF, is designed to optimise the hydroelectric potential of the Romanche River and supply 250,000 homes. As part of this work, Dodin Campenon Bernard teams completed the excavation of two caverns (for the plant and the transformers) in 2016, making way for civil engineering work, and continued construction of the tunnel using two TBMs. Meanwhile, the VINCI Construction France teams began filling the Gavet dam in September 2015.


Definition of Reservoir
when a barrier is constructed across a river in the form of dam, water gets stored on upstream side of the barrier, forming a pool of water called dam reservoir or impounding reservoirs or a storage reservoirs or a river reservoirs.
Reservoirs are mainly categorized into 2 types :
- Impounding ( into which a river flows naturally ).
- Service or Balancing.
- Storage or Conservation Reservoir
It can retain excess supplies during period of peak flows and can release them gradually during low flows when required. It supplies water for useful purposes such as irrigation, power generation, domestic, industrial and municipal supply.
- Detention Reservoir
In this type the water is stored for relative short period of time, until the stream can safely carry the ordinary flow plus the released water. Such reservoir usually have outlets without control gates.
- Impounding or Storage Reservoir
A reservoir with gate-controlled outlets wherein surface water retained for a considerable time and released for use at the time when normal flow of the stream is insufficient to satisfy the requirements. It is also called as the ‘Retarding Reservoir’
- Multipurpose Reservoir
It is constructed and equipped to provide storage and release of water for two or more purposes such as irrigation, flood control, power generation, etc. This reservoir would be gradually emptied just before the arrival of monsoon rains hoping that it would be filled to the brim at the end of the flood.
- Distribution Reservoir
It is connected with distribution system (water supply project), used primarily to care for the fluctuations in demand which occur over short period and as local storage in case of emergency such as break in a main supply line.
- Balancing Reservoir
Downstream of the main reservoir for holding water let down from the main reservoir in excess of that required for irrigation, power generation or other purposes.
- Auxillury Reservoir
It is the reservoir which supplements and absorbs the spill of the main reservoir.
Storage Zones and Control Levels of Reservoir
Full Reservoir Level ( FRL )
It includes both active and inactive storage and also flood storage, if provided for. This is the highest reservoir level that can be maintained without spillway discharge or through sluice ways.
Minimum Draw-down Level ( MDDL )
It is the level below which the water will not be drawn down so as to maintain a minimum head required in power projects.
Dead Storage Level ( DSL )
Below this level, there are no outlets to drain the water in the reservoir by gravity. Below this level silt will get accumulated during the design lifespan.
Maximum Water Level ( MWL)
The level that is ever likely to be attained during the passage of the design flood. Sometimes called as high flood level ( HFL) or high reservoir level ( HRL )
This is the volume of water actually available at any time between the dead storage level and full supply level. The minimum operating level must be sufficiently above the lowest discharge outlet to avoid vortex formation and air entrainment.
It is the total storage below the inverted level of the lowest discharge outlet. It is not useful and cannot be used for any purpose under ordinary operating condition.
Outlet Surcharge of Flood Storage
This is required storage between FRL and maximum water level to contain the peaks of flood that might occur when there is insufficient storage capacity for them below FRL.
This is the storage just above the dead storage level upto minimum draw-down level. Release from this zones are made in dry situation to cater for essential requirements only. Dead storage and buffer storage together is called Inactive Storage.


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The Wyoming Area Office of the Bureau of Reclamation in Mills, Wyoming, has prepared the March snowmelt runoff forecasts and operating plans for the North Platte River Basin.
The April forecasts indicate the spring snowmelt runoff will be above average. Total April through July runoff in the North Platte River Basin above Glendo Dam is expected to be 1,002,000 acre-feet (af) which is 111% of the 30-year average.
As of March 31, storage content in the North Platte Reservoirs amounts to 1,822,745 af, which is 110% of the 30-year average. The total conservation storage capacity of the North Platte Reservoir System is approximately 2.8 million af.


Croatia plans to speed up the construction of Kosinj hydropower system worth an estimated 1.54 billion kuna ($243 million/205 million euro) by declaring it a strategic investment project, the economy ministry and state-owned utility Hrvatska Elektroprivreda (HEP) announced.
On July 12, the ministry of economy and HEP signed an agreement to propose to the government to declare the construction of Kosinj hydropower system an investment project of strategic importance for Croatia, the economy ministry and HEP said in a joint statement on Monday.
“As one of the two parts of the overall project for upgrading the existing Senj hydropower system, the Kosinj hydropower system will allow to boost the electricity output of Senj by 230 Gwh, or 22%, compared to its current production. Together with the second part of the project, the Senj 2 hydropower plant, it is the biggest HEP project since Croatia's declaration of independence worth a total of 3.4 billion kuna,” HEP CEO Frane Barbari said in a statement.
The Kosinj project will improve the use of the waters of the Lika and Gacka rivers for electricity generation. It envisages the construction of the Kosinj reservoir, tree dams and a hydropower plant, reconstruction of the existing Sklope hydropower plant, and construction of supporting road and electricity infrastructure facilities.
The project will also contribute to enhancing Croatia's energy independence and increase the share of renewable energy sources in electricity consumption; will help boost the country's gross domestic product; create new jobs and conditions for boosting agricultural production; will help solve problems with floods and will develop further the infrastructure of country's energy sector, according to the statement.


Water level in 91 major reservoirs sinks to 27% of capacity
The water level in 91 major reservoirs in the country has dipped to 27 per cent of their total storage capacity, the government said on Friday. According to the Union Water Resources ministry, 42.658 billion cubic metres (BCM) of water was available in these reservoirs for the week ending yesterday.
Last week, the stock was 29 per cent (or 46.02 BCM) of the total storage capacity of the dams. The fresh level is 125 per cent of the storage reported during the corresponding period last year.
It is 104 per cent of the decadal average, the ministry said in a statement.
States which have recorded less water stock vis-a-vis last year are Himachal Pradesh, Tripura, Andhra Pradesh, Karnataka, Kerala and Tamil Nadu.


Koyna's floating solar panels to generate 600MW power
Floating solar panels will be set up on a surface area of 891 sq km on Koyna dam to generate power.
July 28, 2016, 07:36 IST
Kolhapur: Floating solar panels will be set up on a surface area of 891 sq km on Koyna dam to generate power.
The primary survey for the project has already been completed and the next stage of planning is currently under way. Various departments, such as water resources, renewable power generation and transmission, are involved in the project.
The solar panels will be set afloat on the water to generate power. They will be connected to each other to multiply power generation. The energy so generated will then be linked to the state power grid. The Koyna dam is the largest hydro-electric power plant in the country with a total capacity of 1,920MW.
Dnyandev Bagde, the dam's executive engineer, said, "The project will be a first-of-its kind in the state. It will be a 600MW project. Challenges such as decline in water levels and complete closure of the project during monsoon were also considered while planning the proejct. I am awaiting further instructions."
The National Hydroelectric Power Corporation (NHPC) conceptualized the project and has completed the primary survey for its implementation.
Balraj Joshi, NHPC's technical director, said, "We have been considering this concept for long. We will have to take permissions from other government departments to set up the panels and start power generation. Going by the huge size of the Koyna dam, we can easily set up 600MW power plant panels."
Rajat Gupta, the NHPC's chief technical engineer, said the project cost would be around Rs 10 crore per MW. However, once it starts, power generation would continue with minimum maintenance costs.
The dam already generates 1,920MW from its four stages, where turbines run on water. Now, the surface of the dam water will be used for power generation. Though it is located in the Sahyadri mountain range, it also has good exposure to sunlight.
Once complete, the Maharashtra State Electricity Generation Company Ltd. will take over the project.
A sources close to the development said, "Generally, the dam water level starts going down and power generating stages also stop functioning from January. So, the Koyna dam's power generation capacity is not 100% used in the summer, when power requirement is higher.


The Ross River Dam has a catchment area of 750km² and a current capacity of 233,187ML. Paluma Dam has a catchment area of 9.8km² and a current storage capacity of 11,400ML.
Townsville currently has water conservation measures in place. We are not currently pumping from the Burdekin Dam.
|Please note: The reading from the Dam Levels application below rounds to the nearest whole number.|
Weir Storage Volumes
|Black's Weir||3,780ML||9 metres max.|
|Aplin's Weir||1,800ML||8 metres max.|


Azerbaijan, Baku / corr. Trend S.Aliyev / This year the German Bank KfW will allocate €30 mln credit for a period of 12 years for the construction of 195 km long electricity transmission lines "Azerbaijan Thermal Power Station - Imishli", Azerenergy JSC informed. In addition, the Bank plans to participate in the construction of electricity transmission lines connecting Mingachevir and Alibayramli Thermal Power Stations with Baku.
In addition, it is planned to construct new substation in Goranboy and reconstruct existing one in Imishli. Moreover, the opportunities are studied to allocate credits for the construction of small hydroelectric power stations and wind stations within the project of renewable energy sources.


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Forecast for 2023-01-03
River conditions forecasts posted on 2023-01-03 by Ottawa River Regulating Committee
Between Mattawa and Ottawa-Lake Deschenes, water levels and flows in most locations along the main stem of the Ottawa River are close to seasonal values and are expected to be fairly stable over the coming week. Between Ottawa-Gatineau and Hawkesbury, water levels are expected to decrease and return to close to normal conditions.
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The Kholongchhu hydroelectric project is a 600MW run-of-the-river hydropower facility under construction on the Kholongchhu River in Bhutan. It is the first ever energy project to be developed through a joint venture (JV) partnership between India and Bhutan.
An inter-governmental agreement was signed between the Government of India and the Royal Government of Bhutan in April 2014 to jointly develop the Kholongchhu project as well as three other hydroelectric power projects in Bhutan.
The Kholongchhu Hydro Energy (KHEL), a joint venture between Bhutan electricity utility company Druk Green Power Corporation (DGPC) and Indian firm Satluj Jal Vidyut Nigam Limited (SJVN), is implementing the Kholongchhu hydroelectric project.
Expected to be completed by the second half of 2025, the project will generate up to 2.5 billion million units of electricity annually.
Kholongchhu hydropower project background
The National Environment Commission (NEC) of Bhutan issued the environment clearance for the project in July 2014. The Kholongchhu Hydro Energy JV was registered in June 2015 to develop the project. The construction licence was obtained in July 2015 and the groundbreaking ceremony was held in September 2015.
The project has faced construction delays as a tariff determination for a long-term power purchasing agreement (PPA) for signing of the concession agreement (CA) could not be finalised between the two governments. The tariff setting was finalised and the CA was finally signed in June 2020, paving the way for resumption of the construction works.
The pre-construction works for the project were nearing completion as of July 2020, while the contracts for the main civil works including the construction of the dam, headrace tunnel and the powerhouse are yet to be announced.
According to the recently signed concession agreement, the JV will have ownership of the operation of the project for a period 30 years, after which it will then be transferred to the Royal Government of Bhutan (RGoB).
A royalty share of 12% of the saleable energy generated from the project will also be supplied free of cost to RGoB for the first 12 years of commercial operation of the project. The share will be further increased to 18% till the end of concession period.
Project location and make up
The Kholongchhu hydroelectric project is located on the lower course of the Kholongchhu River just before its confluence with the Drangmechu River in Trashiyangtse District of eastern Bhutan.
The project will feature a 95m-high concrete gravity dam measuring 165m in length and 6m in width. The dam will create a 1.4km long reservoir with 2.9 million cubic metres (MCM) of gross storage capacity.
A horse shoe shaped diversion tunnel measuring 372m x 10m will be built on the left bank of the river. The 15.77km-long and 5.7m-diamter headrace tunnel for the project will have a design discharge capacity of 89 cubic meters per second.
The facility will also house two 350m-long, 13m-wide and 17.5m-high desilting chambers, and a total of six spillway bays including five ogee spillway bays with sluice gates in the lower tier and one ogee bay with an open crest in the upper tier.
The underground powerhouse complex with two caverns will be built on the right bank of the Drangmechu River. It will be installed with four Pelton wheel turbine units each with a rated capacity of 150MW. The powerhouse will be connected through two 1,200m-long and 3.3m-diametre main pressure shafts bifurcated into four 187m-long and 2.35m-diameter branch pressure shafts.
The water from the power complex will be released through four 605m-long D-shaped tail race tunnel units merged into a 1,521m-long main tail race tunnel.
The electricity generated from the Kholongchhu hydroelectric project will be transmitted to the NEWNE grids of Bhutan and India via 400kV transmission lines.
The project is estimated to cost £488.14 m (INR46.32bn), which is being financed under a debt equity ratio of 70:30. The Government of India is providing DGPC’s share of equity.


PROVIS signed a new contract for hydro power in Finland.
Imatra HPP is situated in the city of Imatra in the south east part of Finland. This new project consists of refurbishment of two turbines with a capacity of 24 MW each, the capacity will increase with almost 30% after refurbishment due to the new efficient turbines. The plant will then have a total capacity of 192 MW with seven units. This is the largest hydro power plant in Finland. PROVIS is participating in the erection of the two turbines and installation of the new draft tube lining. The project is scheduled to be completed in the beginning of September 2015.


we received an inquiry from India for large flow about 2000M3/H at 200m head clear water pump. He said used to indusrty water supply and need high perfromance. So we recommend 2 pieces of model XS250-800 to work together.
XS series pump is a new generation of high-performance single-stage split casing centrifugal pump, mainly suitable for water plant, air conditioner circulating water, heating network system, building water supply, irrigation, drainage station, power plant, industrial water supply, fire fighting system, ship industry, mine water supply and drainage and other occasions for liquid transmission.
The scope of the XS split casing performance:
Flow : 68-3000M3/H
Usage: Clean water / Sea water
Driven: Diesel or Electric
Features of XS split casing water pump:
It can be choose both mechanical seal and packing seal which the internal circulation is adopted for cooling lubrication. Double suction impeller with large flow and high efficiency maket it with large flow and high efficiency. Replaceable shaft sleeve, as a vulnerable part, the shaft sleeve protects the shaft and improves the service life of the pump; The sealing ring can improve the efficiency and prolong the service life of the pump.
Please check the below structure drawing.
There are main part materials of XS pumps. Also you can find the Ductile iron, cast steel, stainless steel as customized.
|Impeller||Cast iron||Shaft seal||Packing seal|
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Kagera Region (Tanzania)
Tanzania Electric Supply Company, TANESCO
2018 – 2019
Description for Kakono Hydropower (Tanzania)
Kakono will be a Hydropower Plant located on the Kagera river in Tanzania, near the border of Uganda. The project will result in an additional supply of 87 MW into the national grid which will reduce Tanzania’s import of power and will improve the supply to industry, leading to employment, and to low income communities.
Studio Pietrangeli is very proud of assisting TANESCO providing all the engineering services for the preparation and implementation of the construction of the project, contributing to the increase in the renewable sources of energy in Tanzania.
The layout of the project includes a reservoir, a concrete gravity dam about 51 m high, with an embankment section that creates the heads available for the power production. The power house is outdoor and is located at the toe of the concrete gravity dam. A transmission line will transfer the power to the national network through the nearest existing 132/33 kV Kyaka Substation.
Studio Pietrangeli has been continuously present in Tanzania since 1989 successfully completing several engineering projects in the water sector. Thanks also to its internationally renowned projects in Ethiopia, Zambia and Zimbabwe SP is currently a leading engineering firm in the region for hydropower, transmission line, irrigation and water supply projects.
- Main dam section ( Gravity, H = 51 m, L = 435 m )
- Left bank dam section ( Rockfill, H = 35 m, L = 1'500 m )
- Powerhouse ( Outdoor, IP = 87 MW, No. 2 Kaplan )
- Transmission Lines ( L = 39 km, 132 kV )
- Substations ( Kakono and Kyaka )
- Access Road ( L = 27.5 km )
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Open double suction pump, now more common, very convenient to use, then you know its design? If you don't know, let's take a look.
1. The built-in sealing lubrication structure of volute type middle-open pump: the built-in sealing lubrication structure of pump. The sealing circulating water is more direct and useful for lubricating and scouring the sealing system of pump.
2. Medium-open double-suction pump has beautiful appearance: straight-line appearance and strong ribs attached to the pump cover. The built-in sealing lubrication structure makes the overall structure of the pump seamless, and the structure plan of the movable collar makes the pump more exquisite and generous.
3. High power: CFD is used to calculate fluid dynamics, and the connection between pressure distribution and velocity distribution in the pump is analyzed and calculated. The flow path plan of the pump is optimized to ensure that the pump has efficient hydraulic profile and improve the power of the pump. The pump body adopts a dual-channel plan to reduce the radial force. Resin sand plate mould is selected for the flow passage parts of pump body, pump cover and impeller, which ensures the appearance and runner standard as well as the hydraulic power of the pump.
4. High balancing accuracy: Dynamic balancing accuracy of rotor components is G1. Level 0.
5. Shaft: Shaft short and rigid, increase the diameter of the shaft to extend the service life of bearings and mechanical seals. The shaft is fully enclosed, which ensures that it does not touch the medium, is stainless and has a long service life.
6. Double suction pump with double volute in middle opening: Double volute structure is selected for high lift pump, which reduces radial force.


500m3 Sludge Tank Upgrade.
Two 250 cubic metre capacity tanks were required as part of the sludge handling upgrade works at Watercare Services Ltd, Ardmore Water Treatment Plant.
MTL undertook investigations to establish the most suitable concept design, prepared and completed the detailed design of the stainless steel tanks. Elevated structural steel supports on cast insitu concrete piles were used. A 7m high reinforced concrete retaining wall surrounds the tanks.
The works were challenging given the site constraints. The project was however completed successfully to the clients expectations.
Watercare, Cassidy Construction Ltd (civil works),
Consolidated Engineering Ltd (steel tanks and support structures)


The proposed New Diversion Drainage Line connecting Bitan-ag Creek to Kolambog Creek is among several big-ticket drainage projects in Cagayan de Oro City lined up for implementation this year by the Department of Public Works and Highways (DPWH).
The said drainage project has a budget of P105 million. This project aims to reduce the volume flowing into Bitan-ag Creek towards Limketkai area by construction a new channel to Kolambog Creek in Lapasan. Initial plans indicate the diversion will start upstream near Camaman-an Elementary School. Route of the Bitan-ag-Kolambog Drainage Line is viewed in the link below.
Another big budgeted project (P90 million) is the Bitan-ag Diversion Drainage Line connecting the existing Bitan-ag Creek at Limketkai to the ongoing Agora subterranean canal. No details are available yet as to the approved route of the drainage line but in the initial information last year revealed the project will involve construction of a new drainage diversion line from Bitan-ag Creek (at the back of PNB) and goes under Puregold before connecting to the subterranean canal along Agora Road.
The next big drainage project is the P55 million New Drainage Channel along Westbound Terminal Road straight towards Macajalar Bay. This will ease the drainage flow along Sapang Creek. View other multi-million drainage projects in the city below.


USA: Most pumped storage electricity generators in the U.S. were built in the 1970s
- Oct 31, 2019 10:05 am GMTOct 31, 2019 3:33 pm GMT
- 630 views
Source: US Energy Information Administration
October 31, 2019
Pumped storage plants for hydroelectric power in the Unites States were built primarily between 1960 and 1990; nearly half of the pumped storage capacity still in operation was built in the 1970s. Pumped storage power plants are the largest source of electricity storage technology used in the United States, both in terms of capacity and number of plants. (Virtually all remaining commercial-sized electrical storage use thermal energy or batteries.)
Pumped storage involves pumping water into a storage reservoir during times of relatively low electricity demand and low electricity prices, such as during the night. When electricity demand is high, water flows downhill from the reservoir through hydroelectric generators at a dam. Pumped storage plants cost more to construct than conventional hydro plants because of the storage reservoirs, additional pipes, and pumps that carry water from the reservoir to the dam. They also incur a sizable additional operating expense from pumping water uphill.
In 2018, the United States had 22.9 gigawatts (GW) of pumped storage hydroelectric generating capacity, compared with 79.9 GW of conventional hydroelectric capacity, according to the U.S. Energy Information Administration’s (EIA) most recent inventory of power plants. California has the most pumped storage capacity, with 3.9 GW, or 17% of the national total. Other states such as Virginia, South Carolina, and Michigan each have at least 2 GW of hydroelectric pumped storage capacity.
Pumped storage hydropower systems are generally one of two types. An open-loop system has a continuous source of downstream water that is pumped uphill to an upper storage reservoir. Typically, an open-loop plant pumps water that has already passed through the dam up to the storage reservoir above the dam. By contrast, closed-loop systems pump water from a lower storage reservoir, which is not continuously filled with water and is generally not connected to a flowing source.
Historically, most U.S. pumped storage plants were installed on rivers as open-loop systems. However, more of the recent applications filed with the Federal Energy Regulatory Commission (FERC) for pumped storage hydro project licenses have been for closed-loop plants. One reason for the increase in closed-loop plants is that they capture streams of runoff water from agricultural irrigation systems that would otherwise go unused.
Even though FERC has issued licenses for three proposed pumped storage projects since 2014, no new pumped storage projects have come online in the United States since 2012. EIA’s most recent survey of planned power plant additions shows no pumped storage projects under development.
Because these plants require energy to pump water uphill, pumped storage hydro plants have net negative electricity generation balances, meaning that they consume more energy than they store. Most pumped storage systems require 15% to 30% more electricity to pump water uphill than what the water generates when it flows back downhill.
To provide a better understanding of how electricity storage systems are used, EIA recently added tables to its Electric Power Annual that show adjusted capacities and usage factors for the two main energy storage technologies: pumped storage and batteries. Each month, pumped storage systems operate at between 8% and 17% of their capacity. Pumped storage’s usage factor generally follows the pattern of total electricity demand: a large peak in the summer months, a smaller peak in the winter months, and the lowest use in the spring and fall.
Principal contributor: Fred Mayes


Kwanza Norte Province - Angola, Africa
Dar provided engineering services to support the heightening of the double-curved concrete dome Cambambe Dam from 110 to 130 metres. The project paved the way for the construction of a new 700 MW power plant and for the rehabilitation of the existing 260 MW power plant which, prior to the heightening, was operating at a reduced capacity of 180 MW. The overall net result was that the Angolan power network received a total of 780 MW of clean power from the Dam, over and above its available capacity before the project. Today, the Cambambe Dam and its associated hydroelectric facilities provide power for at least eight million people.
Due to the heavy sedimentation behind Cambambe Dam at its original height, the top level of the sediments was very close to the top level of the existing water reservoir. Therefore, it was not feasible to construct the second associated power plant (Cambambe II) with the reservoir behind the dam at its original level, since the water intake of the second power plant needed to be higher than the level of the sediments.
The Cambambe Dam Heightening project provided an additional 30 metres of clean water which guaranteed the feasibility of the construction of Cambambe II with four generators (175 MW each), collectively offering 700 MW of additional power. The same 30-metre increase also consequently allowed the existing Cambambe Power Plant, after rehabilitation and renovation, to operate at its originally designed capacity of 260 MW instead of the reduced capacity of 180 MW available prior to the heightening, a gain of 80 MW.
The scope of the project covered:
- Cambambe Dam at its new elevation along with the rehabilitated/new hydro ancillaries.
- 4 x 65 MW turbine generation units.
- 13 single-phase 11/220 kV, 24-MVA step-up transformers.
- One 220-kV switchgear bay.
- New 30 kV and 11 kV medium voltage switchgears.
- New 30/0.4 kV and 11/0.4 kV transformers.
- New controls.
- Communication and SCADA systems.
- Upgraded AC/DC auxiliary supplies.
- New emergency diesel generators.
- New lighting systems.
- New A/C, ventilation, and electro-mechanical systems.
Dar was also involved in rehabilitating damages to the dam itself. After detecting damages at the steps of the Cambambe Dam’s ski jump spillway, Dar performed a CFD study to evaluate the hydraulic performance of the structure. The spillway’s geometry was developed based on as-built drawings to simulate the existing conditions. Different scenarios were then studied, covering all of the spillway’s possible operational conditions. These scenarios included exploring high and low flows from the reservoir in addition to investigating different openings for the radial gates controlling the spillway. By doing so, Dar was able to determine the range of flows at which the free-falling impingement jet can cause damage to the spillway’s bottom steps. The study could then inform rehabilitation and mitigation measures.
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River Valley Projects of Peninsular India
Water is essential for sustenance of all forms of life on earth. It is not evenly distributed all over the world and even its availability at the same locations is not uniform over the year. The River valley projects which are constructed to meet several objectives simultaneously or tackle various problems associated with river valleys in an integrated manner. The basic motive behind the construction of multipurpose river valley projects in India is to meet the critical requirements of irrigation for agriculture, electricity for industries and flood control. The Projects related to the rivers flowing towards the west draining into the Arabian Sea are discussed below:
• The Narmada Valley Project: This project benefits Maharashtra, Madhya Pradesh, Gujarat and Rajasthan. It consists of 29 major and 3,000 small dams. Of these, the Narmada Sagar Dam of Madhya Pradesh and the Sardar Sarovar Dam are most important.
• The Ukai Project: The Ukai power project of Gujarat equipped with power generating sets manufactured by Bharat Heavy Electricals Limited was inaugurated on October 12, 1977. It has added 540,000 KW of installed capacity to the State’s existing power network.
• The Kakrapar Project: It is situated on the Tapti near Kakrapara, 80 km upstream of Surat. The project is financed by the Gujarat Government.
• The Mahi Project: A dam has been built on the river Mahi in Madhya Pradesh under this project. The reservoir behind this dam has been named the Jamanlal Bajaj Sagar.
• The Sharavati Hydel Power Project: Located about 400 km from Bangalore near the Gersoppa falls, the Sharavati Project is one of the world’s major power projects, built by Indian engineers with American collaboration.
• The Kalindi Project: This is constructed on the river Kalindi in Karnataka.
• The Idukki Project: It is Kerala’s largest hydel power project on the river Periyar in Idukki district in Kerala.
• The Sabagiri Project: It is constructed on the river Pamba, Kerala.
• The Parimabakulam Aliyar Project: It is a joint venture of Tamil Nadu and Kerala States. It envisages construction of seven inter-connected reservoirs by harnessing rivers including two major rivers viz., Parambikulam on the western slopes of Annamalai Hills and Aliyar on the eastern slopes.
• The Pallivasal Project: It is constructed on the river Madirapuzha, Kerala.


National Water Commission
2016 - 2019
Description for Hermitage Storage Plant (Jamaica)
The scope of the assignment is the rehabilitation of the existing Hermitage Dam that is the main storage reservoir for the Kingston Metropolitan Area (KSA).
- Hermitage Dam ( Concrete Gravity type: H = 45 m, L = 208 m )
- Reservoir Capacity: Vol. = 1.8 Mm3 (design) 1.23 (current)
- Intake controlled by 4 valves , of which 2 are currently operating
- Water Supply: V= 68,000 m3/d (design), 41,000 m3 with 16 hours of operation day
- Assessment of the conditions of the dam
- Bathymetrical survey, Investigations
- Feasibility study
- Detailed Design
- Tender Documents
- Environmental and social impact assessment
- Operating manuals, Watershed Management
Kabwe Aqueduct (Zambia)
Kabwe urban water supply scheme.
Reservoir storage capacity: 12 Mm³.
Bujagali Hydropower (Uganda)
Hydroelectric project on the Victoria Nile River within an installed power of...
Thwake Multi-purpose Dam (Kenya)
Thwake is a multi-purpose dam designed to...
Roma Est Sewage Plant (Italy)
Sewage treatment plant for domestic and industrial waste water.
Enguri Cascade Hydropower (Georgia)
ENGURI HPP Cascade envisages the construction of three hydropower plants on...
High Voltage Transmission System (GABON-CONGO)
The assignment, financed by European Union...
Grand Ethiopian Renaissance Dam (Ethiopia)
The Grand Ethiopian Renaissance dam project is a...
Rumakali Hydropower (Tanzania)
Hydroelectric Power Plant, with IP = 525 MW, which the exploits of N° 5...
Genzano Storage Plant (Italy)
Water storage for irrigation, capacity 58 Mm³.


RAMMER hydraulic breaker S83 S84 S86 front head chuck housing warranty TURKEY.
For RAMMER hydraulic hammer breaker parts S52 S54 S55 S56.
RAMMER G 100 spare parts.
Hydraulic breaker Nut Rammer G88.
RAMMER S 83 hydraulic breaker parts.
RAMMER E68 hydraulic breaker spare parts.
RAMMER E64 side rod.
RAMMER E64 hydraulic breaker spare parts.
RAMMER G80 hydraulic breaker spare parts.
We are able to produce a kind of spare parts such as front head, chuck housing, side rod, side rod nut, thrust ring, inner bush, upper bushing, front cover, lower bushing, pin tool, seal retainer, chisels, piston, cylinder, wedge, accumulator, lock washer, through bolt, top buffer, side buffer, repair kit, seal kit brackets, etc… of Rammer hydraulic hammer breaker


1. Great processing capacity and high concentration efficiency. The processing capacity could achieve 2.5〜4m^3/m^3.h.
2. It has a hydraulic double drive and stepless speed regulation with high mechanical strength and overload protection function.
3. Hydraulic pressure of automatic rake lifting, which is stable and reliable.
4. It is set with bubble-removing mechanism, which reduces overflow water concentration.
5. The driving device has a simple structure and convenient maintenance.
Main Technical Parameters


Ralco hydro contract awarded
Chilean utility Endesa has awarded a Peso 52m ($1.07m) contract to Alstom for the construction of a 570 MW hydropower plant in Chile. The plant will be Chile`s largest hydro plant when completed.
The dam will be at Ralco, 600 km south of Santiago. Alstom will design and build the plant and supply all the equipment. Delivery is due to begin in March 2000 and the project is scheduled for completion in 46 months. Alstom will supply two Francis turbine generator sets. The equipment will be sourced from Alstom factories in France, Canada and Brazil, and the contract will be supported by financing from these three countries.


Maintains stable outlet pressure.
Fixed internal inductive diaphragm with high accuracy of Pressure regulation.
Large flowing channel without retainer with internal with smooth surface for
Working Pressure: 1" 20-150PSI （1.3-10Bar)
Five pressure settings 15,20,25,30,40PSI to meet different requirement.
Produced by Reinforced plastic material with excellent hydraulic and


The £13.6 million (US$17.9 million) 2-MW Loch Eilde Mor high head run-of-river hydropower scheme located at Kinlochleven on the River Leven in the Scottish Highlands has been commissioned.
The Loch Eilde Mor project features a 2-MW triple-jet horizontal Pelton turbine manufactured and supplied by Germany-based Kà¶ssler GmbH & Co. KG.
Additional components of the project include: a new powerhouse; modifications to the existing concrete dam, originally built in 1916; refurbishment and alterations to the existing intake and 3 km of new pipework; a new surge tank; and a new bridge at the dam.
London-based Ancala Partners LLP (Ancala), an infrastructure investment management company, commissioned the project late last week through its portfolio company, Green Highland Renewables (GHR). GHR is based in Scotland and has offices in Perth and Dingwall.
Ancala said the Loch Eilde Mor project has the highest energy generation of all GHR projects to date and gives GHR storage capacity due to the loch-fed nature of the project. According to Ancala, projects completed with GHR have a total capacity of 16 MW, which is sufficient to power 20,000 homes.
In March, HydroWorld.com reported Ancala raised US$63.65 million in debt facilities for Green Highland Hydro. Green Highland Hydro is the asset ownership vehicle for hydroelectric power assets developed by GHR, whose portfolio, according to Ancala, quadrupled in size since Ancala’s initial investment.
For more news on hydropower development currently taking place in the Scotland, click here.


Aerial view of Bear River Canyon, Utah, 1950s. Cutler Dam in distance. Bear River Canal and East side canal show on either side of Bear River. One black and white photograph (4.5 x 6.75 inches) mounted on board. (Negative Available).
Bear River Canyon (Utah)--Pictorial works; Irrigation canals and flumes--Bear River (Utah-Idaho)--Pictorial works; Dams--Bear River (Utah-Idaho)--Pictorial works


Storage Regulator - 6000 psi
Designed for regulating storage pressure to fill panels. High quality, piston type, hand load reducing regulator. Inlet pressure of 6000 psi (414 bar). Outlet pressure 0-5000 psi (0-345 bar). Comes with two 2.5 in 6000 psi (414 bar) pressure gauges.
Standard inlet pressure of 6000 psi (414 bar); 0-5000 psi (0-345 bar) outlet pressure. Regulator seats are protected by a 20 micron filter. Comes with CGA 347 nut nipple and two 6000 psi (414 bar) stainless steel, liquid-filled pressure gauges with 2.5 in dials; one reads storage pressure and one reads regulated pressure.


China - Jiangxi Wuxikou Integrated Flood Management Project
IBRD Loan: US$100 million
Terms: Maturity = 25 years; Grace = 6 years
Project ID: P128867
Project Description: The objective of the project is to reduce the flood risk in the central urban area of Jingdezhen city through implementation of priority structural and non-structural measures, and contribute to establishment of an integrated flood risk management system for the city.


The company offershydraulic metering pumps for the pressure range up to 64 bar.
The company offershydraulic metering pumps for the pressure range up to 64 bar. The liquid ends are equipped with a multi-layer metering diaphragm capable of signaling diaphragm failure. As a particular safety feature, this pump series is equipped as standard with a finely adjusted pressure relief valve integrated in the hydraulic system. Both technical and economical advantages have been gained by combining the hydraulic unit and gear unit in one housing. The stroke volume can be varied hydraulically by means of a tubular piston, resulting in a very good price/performance ratio.
The standard delivery capacity ratings are covered by two model series, Hydro/2 in the capacity range from 60 l/h at 25 bar back pressure up to 22 l/h at 64 bar back pressure and Hydro/3 with a delivery rate of 150 l/h at 25 bar back pressure up to 60 l/h at 64 back pressure with application-oriented performance graduation in eight stages.
The main hydraulic pump is driven as standard with a 0.37/0.75 kW; 230/400 V, 50/60 Hz three-phase AC motor suitable for worldwide applications. The stroke length is 15 mm and can be adjusted to an accuracy of 1%. Under defined conditions, the metering reproducibility is better than ± 1% in the stroke length range from 20-100%.
The pumps can be equipped with a second liquid end to increase the pump capacity. The metering rate can be further increased with hydraulic add-on pumps.
The metering capacity can be controlled by means of a stroke length actuator or a stroke length variable-speed drive. The actuator with servo motor is used for automatic stroke length adjustment with an actuating time of 1 second for 1% stroke length. The variable-speed drive consists of an actuator with servo motor and built-in follow-up control for stroke length adjustment via a standard signal.
ProMinent Fluid Controls, Inc., 136 Industry Drive, R.I.D.C. Park West, Pittsburgh, PA 15275-1014. Tel: 412-787-2484; Fax: 412-787-0704.


The installed hydropower generation capacity of the Grand Ethiopian Renaissance Dam (GERD) has increased to 6450MW, with generator upgrades.
Initially designed to generate 5250MW, with the power plant upgrades, the dam’s generation capacity was raised to 6000MW. Six years later, the capacity was increased by an additional 450MW. The generation capacity now matches those of Tekeze, Beles and Gibe-II hydropower plants combined.
The Minister of Communications and Information Technology, Dr Debretsion Gebremichael, said 56% of the dam project has been completed and it will soon generate an initial 750MW.
“Final preparations are being made to begin filling the dam’s reservoir and construction of power receiver and transmission stations and installation of power transmission lines have been fully completed. The only thing left is fixing the two turbines that generate 375MW each,” he said, adding that Ethiopia is preparing to celebrate the 6th anniversary of the start of its construction with various fund-raising programmes.
Source: Ethiopian Embassy in London


Chief Minister Katy Gallagher has announced the end to excavation works at the Cotter Dam.
“Today marks an important shift in focus from preparatory work to concrete placement. Excavation of the foundation has now been completed, and the pouring of concrete for the new wall will soon commence.
“The Enlarged Cotter Dam is the ACT’s flagship water supply expansion project that will increase the capacity of the Cotter Dam from 4 to 78 gigalitres.
Now comes the somewhat trickier bit of building the wall.


Power unit GL
The hydraulic unit type GL offers a new kind with a reduced size, which requires less oil and less space.
The GL unit is adapted to the same range of components available to our traditional 3010/S valve and reaches the same high level of comfort and reliability. As with all GMV units, the GL can be equipped with a traditional valve or with a more advanced valve.
The GL unit has been equipped with a pump flow of 25-210 litres per minute and is developed to be suitable for hydraulic installations with a pre-manufactured electrical control unit types C and D.
Standard components supplied with this unit:
- Submergible motor
- Pump with filter
- Pulsation damper
- 3010/S valve
- Cut-off valve with filter
- Oil level stick
- Connecting plinth with plastic housing
- Oil thermostat and motor thermistor
- Pressure switch
- Hand pump


The construction of the hydroelectric dam on the River Volta near the city of Akosombo in south-eastern Ghana led to the creation of the biggest man-made lake in the world. The plant provides electricity and water to the whole of Ghana and to neighbouring countries such as Benin and Togo. Plans for the project were drawn up in the 1940s, when Ghana was under British rule. The project for a dam on the River Volta was developed after the country gained independence, in 1961, thanks to international funding, in order to sustain the country's economic and industrial development, which previously relied exclusively on coffee production. The project involved the construction of two rockfill dams with clay core and was completed in 1966. The main dam has a maximum height of 134 metres and a crest length of 670 metres.


New areas flooded in Sirajganj as Jamuna water rises to 146km
16 Aug 2017, 14:05
Sirajganj: The flood situation in Sirajganj has worsened following a rise in the Jamuna water level on Wednesday morning.
‘The Jamuna River was flowing 146 centimetres above the danger level at Sirajganj point at 6:00am,’ said executive engineer of Water Development Board (WDB) in Sirajganj Syed Hasan Imam.
Fresh areas were inundated as water level of the Jamuna River had risen by 19 centimetres in the last 24 hours, he added.
Low-lying areas of Sadar, Kajipur, Belkuchi, Chouhali and Shahjadpur upazilas remained submerged by Jamuna water since on Tuesday.


Planning and Design of Navigation Locks
CORPS OF ENGINEERS WASHINGTON DC
Pagination or Media Count:
This manual is issued for guidance of engineers and design offices within the Corps of Engineers engaged in the planning, engineering layout, analysis, and design of navigation locks for civil works navigation projects on inland waterways.
- Civil Engineering


2500L/H Submersible Water Aquarium Pump with Flow Controller
2500 L/H Submersible Water Aquarium Pump with Flow Controller
The All Pond Solutions Submersible Water Aquarium Pump range is ideal for aquariums and water features. These pumps are designed for submersible use in both freshwater and saltwater aquariums.
Conveniently located on the front of the pump is a flow rate adjuster dial, allowing you to control the flow rate.
Available in 5 sizes, they include a backplate with four suction cups allowing easy tank glass attachment.
- Adjustable flow rate
- Fully submersible
- Suitable for fresh and saltwater aquariums
- Ultra-quiet design
- Available in 5 sizes
Outlet Size: 13/16/20mm
Dimensions: 106 x 75 x 96mm


Check valve refers to the valve that automatically opens and closes the valve flap depending on the flow of the medium itself, and is used to prevent the medium from flowing backward. The check valve is an automatic valve, and its main function is to prevent the medium from flowing backward, to prevent the pump and the drive motor from reversing, and to release the container medium.
Check Valve: According to the structure, it can be divided into three types: lift check valve, swing check valve and butterfly check valve. Lift check valve can be divided into vertical and straight through two types. Swing check valve is divided into three types: single, double and multi-lobe. The butterfly check valve is divided into a butterfly double flap and a butterfly single flap. The above types of check valves can be divided into four types of screw connection, flange connection, welding and wafer connection.


New Discharge Gear Pump
Maag Pump Systems Tetron launches a new discharge gear pump to increase capacity rates for existing polymer plants.
vacorex (Source Maag Pump Systems Textron)
The new pump, called vacorex® MR, allows an easy retrofit of existing pump models through its compact construction. It is using the same dimensions as older pumps with lower capacity.
Source: Maag Pump Systems AG


For liquids and bulk solids, non-abrasive, Sensor length up to 6 m
The VEGACAP 63 point level sensor can be used universalle for the measurement of non-abrasive liquids and bulk solids. The rod probe is fully insulated and the proven mechanical construction offers high functional safety.
- Simple planning due to variable switching point
- Savings through simple mounting and setup
- Long lifetime and low maintenance requirement through robust mechanical construction


Yesterday, it was learned from the Headquarters Office of Dalian Bay Sea-crossing Traffic Construction Project in Jinpu New Area that after open tendering, Ganjingzi Channel Expansion Project, one of the pre-delivery projects of the Dalian Bay Sea-crossing Traffic Project, and its project supervisor have confirmed the winning bidder. The winning bidder for the Ganjingzi Channel Expansion Project is CCCC Tianjin Dredging Co., Ltd. (TDC), and the winning bidder for the project supervisor is Dalian Port Construction Supervision Consulting Co., Ltd.. The construction of Ganjingzi Channel Expansion Project will make substantial progress after the publicity period, marking that the formal construction of the Dalian Bay Sea-crossing Traffic Construction Project can be expected soon.
The main construction of the Dalian Bay Sea-crossing Traffic Construction Project will be carried out in the Dalian Bay. In order to ensure the safety of the ship within the bay, the main construction of the project can be only started after adjusting the channels and anchorages in the Bay based on the requirements of the Ministry of Communications. Therefore, the construction Ganjingzi Channel Expansion Project is a prerequisite for ensuring the successful construction of Dalian Bay Sea-crossing Traffic Project.
At present, the project has completed all preparatory procedures, including the feasibility study report, environmental impact assessment report, preliminary design approval and construction drawing approval. The construction can be started after the tendering and bidding procedures.


The Department of Water Management is beginning a project to design and install a new water main on Duke University Road, Academy Road, and Cranford Road. The locations of the improvements can be viewed on the project area map.
April 29, 2021 - This project is slated to begin construction on Monday, May 17. Traffic will be impacted during construction. Please plan accordingly.
This project will create a waterline loop which will increase system reliability and pressure in the vicinity of the improvements.
The Study/Design phase, geotechnical borings, and Level A SUE were completed in July 2020. The project went out for bid in December 2020. Construction is expected to begin in May 2021 and last six months.


| Ōdai, Mie Prefecture, Japan|
Misedani Station, Nanairo Dam, Shorenji Dam, Hachisu Dam, Hinachi Dam
Misedani Dam Wikipedia
Misedani Dam (三瀬谷ダム, Misedani damu) is a multipurpose concrete Arch-gravity dam in located in Ōdai, Mie Prefecture, Japan. completed in 1966. The dam is one of several crossing the Miyagawa River, and was intended for hydroelectric power generation, and for the supply of industrial water to the Ise Bay industrial region.
The Misedani Dame was constructed by Nishimatsu Construction Co., Ltd., with construction starting in 1963, and completed by 1965. It is currently owned maintained by the Mie prefectural government.