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Moragolla Hydropower Project is the final large scale hydropower project to be built on the Mahaweli River in Sri Lanka. The Asian Development Bank (ADB) and Ceylon Electricity Board (CEB) provide financial assistance for this project. This power plant is the newest member of the eco-friendly hydropower family, which will generate 30.5 MW power to the national grid contributing about 100 million units (100 GWh) of electrical energy annually.
Preliminary construction work of the project is now at the final stage and the main civil works related to the construction of the dam, tunnel, power house, etc. is in progress now.
Mechanical & Electrical facilities contract of the project was awarded to Dongfang Electric International Corporation (DEC) of China. The contract agreement for this was signed between Ceylon Electricity Board and Dongfang Electric International Corporation on June 30, 2020 at CEB Headquarters, Colombo.
CEB Chairman Eng. Vijitha Herath, Vice Chairman Mr. Y G I Saman Kumara, AGM (Projects) Eng. M. R. Ranatunga, Project Director Eng. H D C Jayaratne and other higher officials of the CEB and Project Coordinator Mr. Xiang Zhen from Dongfang Electric International Corporation were present for this occasion.


Gwayi-Shangani Dam Project Takes Off
Image Credits: The Herald
Implementation of the Gwayi-Shangani Dam project in Matabeleland North Province has resumed following the allocation of resources by Treasury, President Mnangagwa said yesterday. A major component of the National Matabeleland Zambezi Water Project (NMZWP), the Gwayi-Shangani Dam project has been in limbo for years due to lack of funding.
The project requires an estimated $53 million.
President Mnangagwa told thousands of people as he officially opened the 59th edition of the Zimbabwe International Trade Fair (ZITF) that the dam project was significant in power generation as well as water supplies for the region.
“The construction of the Gwayi-Shangani Dam has resumed in earnest following the requisite budgetary allocation, and is expected to generate power and also increase water supply and availability to the region,” said the President.
Last month, President Mnangagwa pledged to ensure the project was completed by next year, as well as speed up other outstanding projects in Matabeleland.


Safe Harbor Dam
The Safe Harbor Dam is a concrete gravity dam on the lower Susquehanna River with an associated hydroelectric power station.
After the failure of an existing concrete skimmer wall spanning nearly 50 ft., Providence was asked to design a replacement wall. In addition to accounting for design loads such as differential water levels, ice, wind, earthquake, waves and debris, maximum wall thickness and wall weight were factored into the design due to load restrictions during installation. To satisfy all constraints, the final design consisted of (3) 8 ft. tall stackable wall segments of steel channel frames with upstream and downstream plated faces. Connections to support piers on either end were designed to be ‘breakaway’; therefore, if loads in excess of design loads are ever encountered, the connections will fail, but the wall and piers will remain intact and reusable.


KSS 47.5 480VAC,60HZ,3PH 10 HP 20 meter cable SS304 SUBMERSIBLE DRAINAGE PUMP
KSS series has compact design, high performance and exceptional durability for handing abrasive liquid. widely used in general construction and civil engineering.
The body of motor and pump is made of rigid cast iron or stainless steel for long-lasting durability. Greatly increased maximum submersion depth due to mechanical seal resistant to high pressure. Semi-open impeller made of high chrome alloy match with wear plate (ductile iron) achieves superior durability.
Effective motor cooling due to discharge channel cast as part of the motor housing.
Discharge 50mm(2") to 150mm(6"),motor 0.25kW (0.35HP) to 11 kW (15HP).
Hermetically sealed motor equipped build-in thermal protection.


Of all the world's power sources, the most amazing might be the sheer force of water under pressure. Seeking to harness this incredible capacity, humans have built massive structures, monuments to engineering skill and brilliance. Here are the largest hydroelectric power stations of all time.
The 7,661 ft (2,335 m) long Three Gorges Dam in Sandouping, Yiling,Hubei, China, with a total electric generating capacity of 22,500 MW, opened in 2008 after fourteen years of construction.
The 25,981 ft (7,919 m) long Itaipu Dam on Paraná River, on the Brazil-Paraugay border, with a capacity of 14,000 MW, constructed between 1970 and 1984
(via Wikimedia Commons and Jorge Saenz/AP)
The 24,364 ft (7,426 m) Guri Dam on the Caroni River, Venezuela, with a capacity of 10,235 MW, constructed between 1963 and 1978
The 8 miles (12.5 km) long Tucuruí Dam on the Tocantins River, Tucuruí County, Pará, Brazil, with a capacity of 8,370 MW. Phase I completed in 1984, and the Phase II will be done in the late 2010s
The 5,223 ft (1,592 m) long Grand Coulee Dam on the Columbia River, Washington, constructed between 1933 and 1942 with two power plants. A third was added between 1967 and 1974. Its total capacity is 6,480 MW.
The 2,785 ft (849 m) long Longtan Dam, a roller-compacted dam on the Hongshui River, Guangxi Zhuang Autonomous Region, China, planned since the 1950s, but constructed between 2001 and 2009. Its capacity was increased to 6,426 MW in 2009.
The 3,497 ft (1,066 m) long Sayano-Shushenskaya Dam on the Yenisei River, near Sayanogorsk, Russia, opened in 1978, with a total installed capacity of 6,400 MW.
The 3,494 ft (1,065 m) long Krasnoyarsk Dam on Yenisey River, Russia, supplies 6,000 MW of power, opened in 1972
(via Wikimedia Commons)


- The project is located in the District Swat on the right tributary of the Swat River.
- The project area is accessible by road at a distance of 185 km from Peshawar.
- The installed capacity of the project is 36.6 MW. The annual clean energy production is 154 GWh.
- The project will generate 1.2 billion revenue for the Provincial Government.


Manipur is richly endowed with considerable Hydro Power
Potential. However, barely 108.2 MW has been harnessed in the form of one medium project and micro projects. The Loktak Hydro Electric Project (3x35 MW) commissioned in 1984 is so far the main source of power supply in the State.
Government has so far been following the guidelines and policy of Government of
India for power generation programmes to be implemented by the Private Sector
Units. In addition to the Fiscal and Promotional incentives of the Govt. of
India for participation by Private Sector Institutions/ Companies in the
generation and supply from generating stations the State Government is making
preparation to frame a policy of its own to further facilitate private
participation and investment in the field of Generation, Transmission and
Distribution. The Government has given top priority consideration on generation
to develop hydro power potential as one of the major industries. It has decided
to invite private investors in the Generation industry.
The Government of Manipur
welcomes private participation in the following projects:-
project is located near Tamenglong Khunjao in Tamenglong District, Manipur at a
distance of about 21 Km from Tamenglong District Head Qtr. It is a storage
scheme and aims to utilize the inflow of Barak River. The project envisages
construction of a 122m high concrete gravity dam having a gross storage of
921.30 M Cum. The catchment area of the river at dam site is 2449 Sq. Km. A head
race tunnel having a diameter of 7.5 m and 6.5 Km long is to be constructed to
take the water from the reservoir to the Power House. The proposed Power house
shall be having an installed capacity of 190 MW with two units of 95 MW each.
The Project has also other components like spillway with a discharging capacity
of 12145 cumecs, intake tunnel of 7.5 m dia., a 143 m high surge shaft of 18 m
dia. And two nos. of penstocks each having 4.4 m dia. PFR of the project has
been prepared and is readily available. Survey and Investigation work is yet to
2. Irang HE-Project:
project site is located near Taobam village on NH-53 in Tamenglong District. It
is a storage scheme and envisages construction of a 104m high earthen Dam across
Irang River. The power house to be constructed at the toe of the dam shall be
having an installed capacity of 60MW with 4(four) units of 15MW each. Survey
& Investigation of the project is presently in the advance stage.
Formulation of DPR of the project is targeted during 2010-11.
project site is located near Dailkhai village in Thanlon Sub-Division of
Churachandpur District. It is a storage scheme and aims to utilize the inflow of
Tuivai River, a tributary of Barak. The project envisages construction of 110m
high earthen dam with a gross storage of 380.80M cum. The proposed power house
to be constructed at the toe of the dam shall be having an installed capacity of
51 MW with three units of 17 MW each. Survey and Investigation of the project is
expected to be completed during 2011-12 and its DPR shall be formulated during
the same year.
4. Nungleiband HE
project is proposed to be taken up near Nungleiband village in Tamenglong
District. It is a run off the river scheme and aims to utilise the tail race
discharge of existing Loktak HE Project and the inflow of Leimatak River which
is a tributary of Barak River. The project envisages construction of a 28m high
barrage and 14m long head race tunnel. The power house shall be having an
installed capacity of 70 MW with two units of 35MW each. The annual energy
generation is 363.95 M U. The total project cost is Rs.7200.40 million
approximately based on June 2007 Price Level. The generation cost works out as
Rs. 3.30 per unit.
5. Khongnem Chakha
project is located near Maram Centre in Senapati District, Manipur. It is at the
upper reach of the Barak River. The project envisages construction of a 52 m
high concrete gravity dam and 15 Km long head race tunnel of 3.5 m diameter. The
power house shall be having an installed capacity of 67 MW with two units of
33.5 MW each. PFR of the project has been prepared and the Survey and
Investigation is yet to be started. In addition, the State also has taken up
irrigation projects with power generation component, like Thoubal Multipurpose
project, which has 7.5 MW power components. Companies may consider collaborating
with the State Government to tap the power from such projects.


Vi ger ut 8-9 nyhetsbrev varje år med aktuella händelser inom VA-teknik Södra: reportage, forskningsprojekt, publikationer, events, nytt om namn och tips om spännande saker på gång. Publicerade/tidigare nyhetsbrev kan du läsa här.
Beatrice Nordlöf (2016)
Precipitation extremes are predicted to increase in magnitude and frequency due to the impact of climate change. This poses a challenge to the urban drainage systems, as they will have to be able to cope with increased stormwater volumes in the future. (Zhou, 2014). This project focus on the area of Augustenborg in Malmö in southern Sweden, where an open stormwater system has been constructed to improve the areas capacity to handle heavy rainfall events.
In this project, the hydraulic modeling software MIKE FLOOD by DHI will be used to develop a coupled 1D-2D model of the Augustenborg stormwater system. Flow in the pipe network, ow in the drainage channels and runoff from effective impervious surfaces is modeled in the 1D model. Overland ow and infiltration on previous surfaces is modeled in the 2D model. The two models are dynamically coupled, allowing for ow ow to be exchanged between the two models throughout
the simulation. The model is calibrated against ow measurements from the Augustenborg area. The model could be calibrated in 3 out of 4 measurement points. The results show that runoff is accumulating on surfaces intended to be flooded. The model can thus reproduce ow in the drainage network as well as overland flow, and can produce pedagogical inundation maps. The developed model can be used for future studies of the Augustenborg area.
Download the complete report here.


Himanshi singh May 19, 2020
The Three Gorges dam in China is the largest power station in the world. It can produce 22,500 Megawatts of energy, the most of any power plant on Earth. The dam spans the Yangtze River in central China, just downstream from the Three Gorges. On average, the plant produces 95 TWh of electricity per year.
The power station with the second greatest energy production capacity is the Itaipu Dam, which sits along the border between Brazil and Paraguay. The Paraná River powers the dam, which has a power generation capacity of 14,000 Megawatts.
The Xiluodu Dam on China's Jinsha River Valley is the third largest power station on Earth. The dam measures 278 meters tall and 698 meters long. It sits between the counties of Leibo and Yonshan and is both a power generator, irrigation system, and flood water control.
The Belo Monte Dam, formerly called the Kararaô dam, is the fourth largest power station in the world. This hydroelectric dam is located in Pará, Brazil, along the Xingu River. The dam has 18 turbines and was completed in 2019.
The Guri Dam first underwent construction in 1969 and was completed in 1986. It was built on the Caroní River in the eastern part of Venezuela. The power station has a capacity of 10,235 Megawatts.
The Wudongde Dam is another large hydroelectric dam in China. It is located on the Yangtze River's upper section. It spans part of the Sichuan and Yunnan provinces in southwest China. The power station has a capacity of 10,200 Megawatts.
The Jebel Ali Power Plant is a combination oil and gas-powered CCGT plant. It is located in Dubai, UAE, along the Persian Gulf near the Jebel Ali port. The plant itself is a power complex that contains nine different plants across a distance of some three kilometers.
The Tucurui Dam is a hydroelectric power plant located in Pará, Brazil, on the Tocantins River. It is a large-scale concrete gravity dam with an installed capacity of 8,370 megawatts. The dam was the first of its kind to be built in the Amazon rainforest.
The Jinquan Wind Power Base, also known as the Gansu Wind Farm, is located in the desert of the Gansu province of China. The power base consists of multiple large wind farms and some 92,000 wind turbines, which have a combined capacity of 7,965 megawatts
The Kori Nuclear Power Plant is the 10th largest power station in the world and has a capacity of 7,489 megawatts. It is located in Busan, South Korea, and is actually the largest fully operational nuclear generating station in the world
Thanks For Reading


Gate valve is a valve with the disk moving vertical with the centre-axis of valve seat when it works. It’s mainly used in connecting and stoping water in resident, house hold. External force required for opening and closing. Forged brass construction, maximum pressure tested: 30 bar.
Brass Angle Valve is a manually operated valve with its outlet opening oriented at right angles to its inlet opening. It is used for regulating the flow of a fluid in a pipe, mostly used in installing water meter.
Brass Swing Check Valve is an automatic self-acting valve that allows flow in one direction only. Brass swing check valves are suitable for a variety of domestic and industrial applications up to 100°C
Garden tap, used for opening and closing water for resident, household. Forged brass with chrome plated.


Project title: Design of Havria Dam in Halkidiki
Project owner / Employer: Ministry of infrastructures
Kind of services: Preliminary report – Basic design – final design – tender documents
Duration: 7/2007 – today
Object of supply of services: The scope of the project is the elaboration of the E/M installations designs regarding the lighting of the dam, the control room, the water intake and diversion works and the hydroelectric power plant.


Auto-cad engineering model of five-stage centrifugal pump cross-section.
For pumping high viscous liquid with tremendous power. The multistage pump performance depends on the driving power. It has high-performance characteristics when the variable speed drive system is preferred when compared to the constant drive mechanism. Using the numerical analysis auto cad model shown above consists of four stages with inlet and outlet provision. A single shaft buckled up with the mechanical seal and gearbox included in the design. Impellers preferred for the design is a two-row system which was found to be achieving high radial flow by computer modeling. Computational fluid dynamics is the only way to find the optimal design by numerical simulation for advanced multistage pumps. The 3D model is much more complex for analysis the pressure points fluctuate and deviated the model from the real impeller operations.
The above diagram includes the supporting section and casing section as the common block without any individual parts. This provides an economic advantage in manufacturing and electric power consumption. Inlet and outlet connections are provided on the top section of the pump so that while installation the bends requirements in piping can be avoided. Bends add up the power loss factor in the system.


ISLAMABAD: The government has disbursed Rs70,619.208 million for various water resource projects under the Public Sector Development Programme (PSDP) in three quarters of the fiscal year 2020/21. According to the data of the Planning Commission, Rs77,860.087 million was allocated for various water resource sectors in the current fiscal year. Of the total allocation, the domestic share was Rs64,362 million, while foreign component was estimated as Rs13,498 million.
Similarly, an amount of Rs57,796.031 million was released from the domestic share, while Rs12,823.177 million was received under foreign component so far. An amount of Rs 16,000 million has been allocated for Diamer Basha Dam (Dam Part), Rs5,000 million for Diamer Basha Dam project (land acquisition and re-settlement), Rs1,443.324 million for Balochistan Effluent Disposal into RBOD, Rs1,968 million for construction of Basool Dam, Rs1,797 million for the construction of Mangi Dam, Rs2,000 million for the construction of small storage dams (Sindh), Rs1,500 million for the construction of 100 small dams in Balochistan, Rs1,356.346 million for Darwat Dam and Rs2,000 million for Garuk Storage Dam.
The government also earmarked Rs7,000 million for Mohmand Dam, Rs3,000 million for Nai Gaj Dam, Rs2,500 million for Naulong Storage Dam, Rs1,500 million for Normal/Emergent Flood Programme, and Rs3,000 million for the construction of Winder Dam.
Similarly, Rs2,000 million has been allocated for Kachhi Canal Project (remaining works), Rs500 million for the construction of 100 dams in Balochistan, and Rs30 million for the construction of Delay Action Dam at Zarkhune. Similarly, the government has released Rs49,794.241 million for various projects of the National Transmission and Despatch Company (NTDC) and Pakistan Electric Power Company (PEPCO) under the Public Sector Development Programme (PSDP) for the fiscal year 2020/21. An amount of Rs36,299.980 million was allocated for various NTDC/PEPCO projects in the current fiscal year. Of the total allocation, the domestic share was Rs8,607.960 million, while foreign component was estimated at 27,692 million.
An amount of Rs7,375.860 million was released from the domestic share, while Rs42,418.381 million was received under the foreign aid component. Likewise, Rs4,000 million was allocated for the evacuation of power from 1,224MW wind power plants at Jhimphir clusters (NTDC), Rs2,500 million for evacuation of power from Suki Kinari, Kohala, Mahal HPPs (NTDC), Rs1,160 million for the evacuation of power from 2,160MW Dasu HPP Stage-I (NTDC), Rs3,000 million for 220kV Dera Ismail Khan-Zhob transmission line along with 220kV Zhob substation (NTDC) and Rs2,675 million for the construction of new 220kV Guddu-Sibbi Single Circuit Transmission Line for the improvement of power supply system in South areas (NTDC) in the PSDP 2020/21. Similarly, Rs3,200 million was earmarked for 500kV Faisalabad New (2×750) (now 500KV Faisalabad West along with allied T/Ls) (NTDC), Rs3,000 million for 500kV HVDC transmission system between Tajikistan and Pakistan for Central Asia-South Asia transmission interconnection (CASA-1000) (NTDC), Rs3,000 million for 500kV Lahore, North (NTDC), Rs 2,130 million for the enhancement in transformation capacity of NTDC system by extension and augmentation of the existing grid stations (NTDC), Rs1,300 million for the conversion of the existing 220kV substations at Bund Road, Kala Shah Kaku, Ravi and Nishatabad to GIS Technology (NTDC) and Rs1,000 million for the evacuation of power from wind power projects at Jhimpir and Gharo Wind Clusters (NTDC). (courtesy The News)


A Typical Dam
Dams might be thought of as bridges lying on their side but, because of the increasing pressure of water, they have to support a greater load at the bottom than they do at the top.
The Cheruthoni Dam was built in the twin valley of Periyar river gorge. The Idukki Arch dam was built in the adjacent valley. The two dams store water for the Idukki Hydel Power Project, Kerala. The Cheruthoni Dam ranks amongst the largest dams built in India.
It is a concrete gravity dam and was built for Kerala State Electricity Board in the year 1977.
Length at crest level : 651 metres
Height from deepest foundation level : 133 metres
Concrete Volume : 1.7 million cubic metres


Horizontal axis pump with brass turbine type impeller, pump body made of G20 cast iron, end cover in brass, AISI 416 stainless steel shaft and mechanical seal made of ceramic/graphite.
Peripheral turbine pump. The main feature of this pump is it's capability of generating a medium pressure with minimal power consumption. Particularly suited for pumping up and distributing water in domestic water supply systems in houses, villas, small properties and gardens where frequent use will occur.
- Pumpmaster Australia brand
- 0.45 HP / 0.33 kW output power
- 22 Ltr/Min @ 20 PSI
- Includes KIT-PC4 Electronic Controller
- Inlet size: 25 mm
- Outlet size: 25 mm
- Volts: 240v
- 2 year Pumpmaster Australia Warranty
- Spare parts available


Automatic Control panel / Inverter, Accessories
Single Phase Automatic Controller – 0.75kw – 1.5kw (1hp – 2hp) 240v/1ph/50hz
- Three phase direct on line starting controller for up to 15kw
- Easy operating 24-hours duty
- Labor saving and energy saving
- (Great benefit under correct operation)
- Submersible pump/ Sewage pump/ Pipeline pump/ Multistage pump/
Centrifugal pump to protect, control water level and control pressure for above pumps
SINGLE PHASE AUTOMATIC CONTROLLER
- Water level control is completely automatic. works without
adjustment, easy for installation and use.
- Circuit diagram of water level control with anti-high voltage
- Voltaic wire of circuit diagram are connected by cuttage grafting. It’s convenient for maintaining and replacing.


Pressure Sensor – For Existing SCADA System
The 4-20mA Pressure Transmitter is easily integrated into an existing SCADA system, digital display or 3rd party data logger. It will provide a continuous, accurate water level reading for a wide variety of applications.
A two-wired 4-20mA Pressure Transmitter current configuration is used with our pressure transmitter which is the most widely used signal transmission for transducers in industrial environments.
Pump activation for low water level, high water level in tanks, wells, rivers and chambers. Low water and high water level shut off.
Note: External Power Required


In order to finance the construction of new hydroelectric power plants, Uzbekgidroenergo JSC signed an agreement with Roseximbank JSC of the Russian Federation (Bank for Export-Import of Russia).
In order to expand mutually beneficial cooperation in the field of hydropower, the Mullalak hydroelectric power station with a capacity of 140 MW on the Pskem river in the Bostanlyk district of the Tashkent region, a cascade of small hydroelectric power plants with a capacity of 51 MW on the large Andijan canal in Namangan. regions, namely Kugai-1, Kugai-2, Beshkurgan-1 and Beshkurgan-1. An agreement was reached on financing 2 small hydropower plants.
Uzbekgidroenergo JSC and Roseximbank JSC signed agreements worth $ 340 million. The new projects are expected to be funded directly through loans.
During the bilateral meeting, Azer Talibov, Chairman of the Board of Roseximbank of the Russian Federation, and Abdugani Sanginov, Chairman of the Board, exchanged views on the ongoing reforms in this area.


Electronics, Engineering, Programming
July 30, 2014
Programmable well-pump control prototype keeps water flowing
Electronics, Engineering, Field Work, Machinery, Metalworking, Programming, Project Management
September 30, 2006
Two 100 hp hydraulic systems rapidly assembled to keep New York harbor dredging afloat.
December 6, 2002
Embedded webservers add ethernet to high power microwave SSPAs.


Walmart Distribution Center
Wolverton was responsible for the design and permitting of the overall site and erosion control improvement project to support a 500,000 square-foot building expansion located on an existing 150-acre site, operational facility. The design included the preparation of site, grading, utility, drainage and erosion control plans. The project included a unique design element of a new 1,500-foot swale conveyance system to handle 40-acres of building storm drainage runoff. The design also required a wetland impact permit from the U.S. Army Corp of Engineers.
Location: Laurens County, GA
Project Type: CommercialIndustrial


Lucheng seawall project of Longyuan Group won the highest award in the hydraulic engineering industry!
On December two7, China Water Conservancy Engineering Association announced the winners of China water conservancy engineering quality (Dayu) award from two thousand and nineteen to two thousand and twenty,Seawall project of Wenzhou Lucheng Oujiang Ring Expressway to woqishan section invested and constructed by Longyuan GroupPPP project (hereinafter referred to as "seawall project") is prominently listed. Seawall project is the first project in Lucheng District to win this award, and it is also one of the first projects in Wenzhou to win this award.
China water conservancy engineering quality (Dayu) Award (abbreviation)"Dayu project award") is the highest award for high-quality projects in the water conservancy industry. It is an excellent project award focusing on project quality and taking into account factors such as project construction management, project benefits and social impact. The Dayu project award is divided into five categories: reservoir pivotal project, South-to-North Water Transfer Project, river regulation and embankment project. Only 45 water conservancy projects in China are shortlisted. Only 8 items in the list of river training and embankment works where the seawall project is located are shortlisted.
It is reported that the seawall project is one of the first ten key projects in Zhejiang Province One of the PPP projects, listed in the PPP project library of the national development and Reform Commission. The project is located on the West Bank of Oujiang River in Wenzhou City. It starts from the belt Expressway in Lucheng District in the north and ends at Woqi mountain in the south. The total length of the project is 5.946 km. The dampproof standard of the new dike and pond is one00 year return period, II and other dike projects. The total investment of the project is RMB one883.7 million, which has been completed and accepted in December two thousand and nineteen.
The flood control (tide) standard of the original embankment within the scope of seawall project isOnce in 50 years, it was built in the one980s. After years of operation, this section of flood embankment has been identified as "class III pond". At the same time, this section is a tanning area along the river, where old factories gather and there is a large flow of people, resulting in garbage everywhere on the upstream surface of the dike and pond and within the management range, seriously affecting the flood discharge capacity of the river and damaging the ecological environment of the surrounding area. The project fully integrates the construction of flood control and water conservancy projects and municipal construction, and makes room for the layout of municipal engineering facilities such as roads along the river and riverside landscape through the outward movement of embankment line, which not only effectively improves the flood control standard of the west section of Lucheng riverside, but also completely changes the dirty and disorderly phenomenon along the river to the west of Woqi mountain, characterized by "embankment scenery Road", Organically combine the flood control lifeline with the riverside scenery.
Before Dayu project award, the project has received a number of honors. Awarded after the completion of the projecttwo thousand and nineteenAnnual Wenzhou Construction Project“Oujiang cup”High quality engineering awardtwo thousand and twentyAnnual construction project in Zhejiang Province“Qianjiang cup”Quality Engineering Award; Landscape greening project in Zhejiang Province“Excellent landscape engineering”Won in the award selectiononeJintwoSilveroneCopper; In the previous construction process, it has been rated as the provincial construction safety and civilization standardization site and the municipal water conservancy and Hydropower Safety and civilization standardization site.


When fitted to a hot water systems inlet supply line, this tri-set valve will control pressure and remain in position even if pressure drops.
Australian Valve Group TRISET Selectable Pressure Limiting Valve PLV15F
This AVG TRISET Selectable Pressure Limiting Valve (PLV) offers the flexibility of one value with three pressure settings and is the old PLV range replacement.
Perfect for high pressure water systems, the tri-set range is available in 15mm and 120 mm compression as well as 15mm to 20mm Female connection, and incorporates 350, 500 and 600kPa pressure settings. It comes pre-set at 500kPa.
The valve is manufactured from durable dezincification resistant brass and quality design means the internal waterways provide optimal flow to the part.


Thomas & Betts 21061 Hydraulic Oil for 13600 Hydraulic Pump
Thomas & Betts 21061 Hydraulic Oil is recommended for the smooth operation of the T&B 13600 electric hydraulic pump. It is a lightweight hydraulic fluid with an excellent lubricant performance.
- 6 or More: $40.92
Usually ships same day
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13600 Thomas & Betts Electric Hydraulic Pump, 10,000 PSI
13100A Thomas & Betts 14 Ton Hydraulic Crimper Head


VP 549PE-1 - PerkinElmer Spillway Reservoir with Quick Disconnect Fittings for Inlet and Outlet Ports on Bottom
Availability: In stock
|Materials - Attributes||Anodized Aluminum|
|Special Features||Includes fitting ports, Overflow spillway|
|Well Bottom Shape||No|
The VP 549PE-1 Spillway Flowing Reservoir Wash System offers several advantages. First the wash liquid is injected into the reservoir through 96 inlet ports in the bottom of the reservoir and the liquid fills the reservoir to a height of 30 mm before it runs over the main notch (there are 4 other emergency notches) in the spillway and the liquid is collected in a separate peripheral reservoir connected to the drain. This keeps the wash reservoir uniformly flushed with new liquid coming in the bottom and waste liquid flowing out the top. It maintains the height of the liquid at a constant level regardless of the flow rate. The spillway feature is also important in washing 1536 pin tools because the significant displacement of wash liquid by 1536 pins can raise the level of liquid in a fixed reservoir.
The reservoir inlet and outlet quick disconnects are located on the bottom of the reservoir. This unit was designed for the PerkinElmer MiniTrak where the deck is open and inlet and outlet hoses can be brought in from the bottom. The bottom of the reservoir also has locating holes which allow the reservoir to be seated securely on the deck.
None at this time


Bonneville Lock and Dam consists of several dam structures that together complete a span of the Columbia River between the US states of Oregon and Washington. The dam is located 40 miles east of Portland, Oregon, in the Columbia River Gorge. The primary functions of Bonneville Lock and Dam are those of electrical power generation and river navigation.
Location: Columbia River, Bonneville Dam and Locks, Oregon
Image ID: 19370


Evaluating the effect of the location and design of retention ponds on flooding in a Peri-Urban river catchment
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In order to reduce the flooding risk in urban and peri-urban river catchments, retention ponds or wet detention ponds are often used. However, there has been little work that uses distributed hydrological modeling to consider their optimum location and design in order to reduce the flood risk in a river catchment. This work considers two existing and two potential ponds in the 22.8 km(2) Braid Burn catchment, Edinburgh, Scotland. Using the Shetran physically based distributed hydrological model, the effect of these ponds on the river discharges for eight measured rainfall events and two design rainfall events is considered. The results show the larger Blackford pond is best at reducing the peak discharge at the catchment outlet. The other three ponds are designed to be almost the same. The potential pond in the upper part of the catchment reduces the peak discharge at the outlet; the pond in the middle at Oxgangs makes little difference to the peak discharge, while the potential pond in the lower part of the catchment increases the peak discharge at the outlet. These results show that when considering flood risk, the location of a retention pond within a river catchment is important, and it can make the flooding worse at the outlet if it is located in the wrong location. This work suggests the pond should be located in the upper part of the catchment, although the ideal location will depend on the catchment's shape and lag time.
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Categories: Hydraulic Jack & Stand / Hydraulic Jack


At Silver Springs Hotel held on 5th and 6th December 2013 facilitated by Eng. Dr. Rubarenzya Mark
- Overview of the guidelines for drainage design and construction in Uganda.
- Design considerations for an efficient drainage system.
- Analytical methods for estimating peak discharges (Rainfall Runoff modeling, Rational method, flood frequency analysis) and indirect methods for discharge verification.
- Hydraulic design of drainage conveyance structures based on hydrological data.
- Surface and sub-surface drainage techniques, materials for use in subsurface drainage construction and best maintenance practices for drainage conveyance structures.
- Hydrological modeling.
- Flood analysis and control.
(Training included a site visit to Kalerwe)


Percolation Mathematical Model for Stepped Horizontal Well in Multilayer Fault Block Reservoir
Liu Hong1, *, Pang Jin1, Chang Xuejun2, Yu Xinan1, Zhang Xu1
Identifiers and Pagination:Year: 2015
First Page: 97
Last Page: 102
Publisher Id: TOPEJ-8-97
Article History:Received Date: 15/12/2014
Revision Received Date: 4/1/2015
Acceptance Date: 25/2/2015
Electronic publication date: 18/3/2015
Collection year: 2015
open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
The percolation mechanism and regularity for stepped horizontal well in multi-layer complex fault block reservoir are complex. A percolation mathematical model based on unsteady flow mathematical model is built up in this paper. In the model, the reservoir couples with one horizontal well in sealed reservoir which perforates through mutually unconnected formation. Laplace transform, Stehfest inversion and Conjugate gradient are used to solve the model. The pressure distribution results of different time and production distribution results of different well section can be obtained. The results of pressure drop and pressure drop derivative calculated by this model are close to the results calculated by the Saphir software, and the agreement rate is 99%, which proves the model is of great reliability. Compared with Saphir software, the capacity of horizontal section through multiple sand at the same time can be calculated, which is the advantage of this model. It is not suitable for heterogeneous reservoir and the reservoir with supply boundary, which is the limitation. A two-layer block fault reservoir has been used to carry out the field study through the model, simplifying the irregular shape of reservoir for rectangular reservoir at first. Then a double-stage horizontal well is used to pass through the upper layer and the lower layer orderly in this reservoir, the simulation calculation of the well can use the double-stage horizontal well model, and the model can calculate the average pressure drop and pressure drop derivative of various production phases in the bottom hole accurately .The reservoir flow stage and the flow time in different periods can be judged through pressure drop and pressure drop derivative in the bottom hole, which can also calculate the distribution of production along the horizontal section in different periods at the same time. It can provide theoretical foundation of reservoir research engineering and production engineering design for reservoir development with stepped horizontal well in multilayer complex fault block reservoir.


Crooked River, Culver, Oregon
Deschutes Valley Water District
Construction Materials Testing
In 2018, Deschutes Valley Water District, ODFW, ODOT, BLM, Trout Unlimited, Deschutes Partnership, Energy Trust of Oregon, OWEB and PGE joined forces to break ground on a fish passage project to remove a major barrier to salmon and steelhead at the Opal Springs Dam on the Crooked River. The project objectives were to increase generating capacity and make upstream habitat more accessible and to reintroduce anadromous fish in the Deschutes Basin.
Scope of Work:
The project included raising the existing 175-foot concrete division dam by two feet and constructing an approximate 300-foot-long, concrete cast-in-place fish ladder that required both temporary shoring and engineered excavations. The 30-cubic-feet/second (cfs) vertical slot fish ladder provides downstream passage for smolts through pneumatic crest gates and “smooth” chutes. The 4.3 MW Opal Springs hydroelectric project was originally commissioned in 1985 to generate power for Deschutes Valley Water District’s 4,200 customers in Jefferson County. Raising the water level significantly increased the generating capacity of the dam.
As part of the Opal Springs construction team, Wallace Group provided geotechnical engineering, earthwork, dam crest monitoring, construction materials testing, and special inspection services.
Technical and job-site safety challenges addressed by Wallace Group engineers and geologists included mitigating rock-fall, talus seepage, and slope stability for temporary excavation and H-pile and lagging shoring. The Opal Springs Fish Passage project began reintroducing anadromous fish to the Upper Crooked River Basin in 2019.


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Automatic Water Level controller is designed to automatic control of motor, which ensures constant reserve of water in storage tanks. Automatic water level controller is used to automatically fill the overhead tank as and when it gets empty and monitors the water level. Automatic water level controller switches ON the motor when the water level in the overhead tank drops below pre fixed low level (on point) and puts off the motor when water level rises up to pre fixed high level (off point) motor also switches off when the sump water is exhausted before filling overhead tank, pump running dry, Mains voltage fluctuations. State of the art, digital technology, advanced microcontroller based products.
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In 1958 the WA government decided to put an irrigation scheme on the Ord river. The first stage of the project was completed in 1963. The second stage was construction of the Ord River Dam to provide a major storage reservoir called Lake Argyle, it was officially opened June 1972 and Lake Argyle was filled to storage volume by January 1974.
In 1996, the spillway wall was raised by 6 metres (20 ft), which doubled the dam's capacity. Then the Ord Hydro Pty Ltd constructed a 30 megawatt hydro power station providing a clean and renewable energy source. The station is located at the base of the Ord River Dam. The power station has four turbines and two 15 megawatt generators to produce more that 220 gigawatt hours of electricity per annum. At maximum flood level, Lake Argyle would hold 35,000 gigalitres of water and cover a surface area of 2,072 square kilometres.


The following case study on the three gorges dam illustrates the pros and cons of concrete gravity dam construction and is an excellent complement . Experience the engineering wonder of three gorges dam project, the largest hydroelectric dam in the world completed in 2015, the massive gravity dam sits on the yangtze river and boasts a length of 2,335 m (7,661 ft) although monumental, the project to build this dam was not without controversy . The three gorges dam was a project undertaken by the chinese government as the chinese government obviously did not have the resources available to construct the dam, eg expertise, experience and equipment, the chinese government outsourced to european and american companies. The three gorges dam (tgd) project was long coveted by the chinese government the first intention to build the dam was expressed by sun yat-sen in 1919 in 1954 severe flooding along the river left 30,000 people dead and one million people homeless.
The three gorges dam, two years ago, regulators halted construction at xiluodu because the project lacked a proper environmental impact study but work has quietly resumed in november, crews . Three gorges dam project, yichang: see 513 reviews, articles, and 666 photos of three gorges dam project, ranked no2 on tripadvisor among 50 attractions in yichang. The construction of the metal structures of the three gorges dam is started in a comprehensive way may 1st, 1998 the navigation through the temporary ship lock is begun.
The construction of the three gorges dam on the yangtze river has several positive and negative economic impacts for the three gorges area and for china a cost-benefit analysis was done to determine these impacts. Three gorges dam facts tell use the construction began some 21 years ago and completion was in 2008, though the initial idea for the project came about some 90 years ago it caused 13 million people to lose their homes. Three gorges dam construction facts it is the world’s largest hydroelectric dam in the three gorges dam it is china’s hubei province, the yangtze river, the world’s third tallest tree in the middle of the gorges. Ap when the construction of china's three gorges dam was completed in 2006, most chinese citizens must have hoped it was worth the huge cost: 14 million people had to be relocated from towns .
Exploring chinese history special report about china's grand three gorges dam project the progress of the project is carefully detailed. The three gorges dam project involves harnessing the yangtze river, asia’s longest stretch of water, to generate prodigious amounts of electricity “the three gorges dam plant is the centre of a broad plan for central china’s electricity industry”. The project is china's three gorges dam, and it has already been the subject of great international scrutiny it is being called the largest construction project in china since the great wall.
The impacts of the construction of three gorges dam in china abstract the three gorges dam project in china constitutes one of the greatest water supply projects in the history of humanity - the impacts of the construction of three gorges dam in china introduction. International funding for the three gorges dam project is a major factor in its construction companies and banks from canada, france, germany, switzerland, sweden, and brazil have all played a role in financing the dam. The three gorges dam will be the largest hydropower station and dam in the world, with a 12 mile stretch of concrete and a 370 mile-long reservoir and 525 feet deep this project will cost more than virtually any other single construction project in history.
The three gorges dam spans the yangtze river by the town of sandouping, located in yiling district, construction of the project consists of three stages. The state council three gorges project construction commission (tgpcc) is the top decision-making authority for the three gorges project in the dam site, the .
Perhaps the most grandiose -- and controversial -- effort was the construction of the three gorges dam on the yangtze river in central china's hubei province the enormous project includes a dam for flood control, a giant lock for carrying ships up and down river, and 26 hydroelectric power generators. For great photo galleries of the three gorges dam project including the dam task force, construction at sandouping, the human cost, the environment cost, damblasting, and a history of the yangtze river visit the guardian. Three gorges dam is the short term for the water control project at the three gorges on yangtze river located in sandouping in yichang, hubei, it is the world's largest hydropower project. Until the three gorges dam project got under way, the most ambitious project completed was the gezhouba hydroelectric dam above yichang, which was the first structure to block the flow of the yangtze.


Lemminkäinen to build Norwegian hydropower plants worth EUR 19 million
Finnish construction company Lemminkäinen has signed an agreement worth over 19 million euros with Norwegian power company Småkraft to construct two hydropower plants.
The contract covers the entire construction of the power plants in the Sogn and Fjordane County in Western Norway, including intakes, shafts and tunnels. Work is set to begin this month and is slated for completion in December 2016.
The contract is part of Småkraft’s Fjærland project in which it is developing six small-scale power plants along rivers flowing into the Fjærland fjord.
Lemminkäinen is also set to build tunnel intakes for two additional power plants in the Fjærland project, with their construction measuring some 2.5 kilometres.


Within the framework of its LIFE BOVAR project LIFE16/NAT/DE/000660, NABU Niedersachsen e.V. intends to award construction works in accordance with VOB/A for the construction of small and micro
waterbodies as spawning ponds for the target species of the project. These construction works will be awarded through several tender procedures.
Announcement Public Tender ÖANds05
Announcement Public Tender ÖANds05 (available in German only)


New hydroeletric power station on the Rava waterworks
Services by SB
Infrastructural, structural design and monitoring
Geom. G. Trentin, Eng. P. Bombasaro
The project foresees a new hydroelectric power plant along the drinkable water pipe serving the towns of Castelnuovo and Scurelle as a replacement of an old interruption basin. The new 90kW Pelton turbine is built inside an existing technical space.


Sarawak Energy Berhad (SEB) is studying a plan to reroute a 275 kV transmission line, currently being built to channel electricity generated by the RM3 Billion Murum Hydro Dam to the Sarawak Coridor of Renewable Energy (SCORE), to facilate the construction of another dam in Balepeh.
The letter, located in the upper reaches of the Balui River where the 944 MW Murum Dam is being built, can generate 110 MW. The RM100 Million transmission line, originally scheduled for completion in the third quarter of 2012 - a year ahead of the first power to be commercially produced by the Murum Dam, would connect the latter to the transmission system near Bakun.
The Murum Dam Project, which was 44 % completed, is located about 60 km upstream of the Bakun Dam. SEB also identified other hydro dam projects upsream of the Balui River, namely Linau (290 MW) and Danun (200 MW). Undertaken by Three Gorges Development Corp (M) under a single contract with SEB, the Murum Dam comprises several key components namely, a 145m high roller-compacted concrete dam, intake and 2.7 km long tunnels supplying water to a 944 MW power house.
The Murum Dam is a key part of the SCOPE project and would be the next major hydro generation project to be commissioned after the Bakun Dam. Murum electricity power is slated to come in time to take up power demand from SCORE industries which the Bakun Dam is unable to meet.
Source : BERNAMA News
sarawak energy berhad, murum hydro dam, bakun hydro dam, score, sarawak coridor of renewable energy, murum hydroelectric dam, bakun hydroelectric dam, energy news


Bakun expected to be operational by 2010 will start transmitting electricity too Peninsular Malaysia by 2013
The Bakun hydro-electricity dam project, about 180km from here, will start to transmit power to Peninsular Malaysia by 2013, said Deputy Minister of Energy, Water and Communications Datuk Joseph Salang Gandum.
Salang, who visited the project over the weekend, told reporters here the RM3.2 billion project was expected to be operational by 2010.
About 100 megawatt (MW) to the state grid through the Similajau HVDC (high voltage direct current) lines which would be ready by next year.
By 2013 it is expected to begin transmitting 1,600MW to Peninsular Malaysia via the 676-km submarine cables across the South China Sea. The project would initially operate with three of its eight turbine generators, each with 300MW capacity, and would use the rest as more water was available in the reservoir area. The 695 sq km reservoir is almost as big as Singapore. It provided sustainable energy source. The 205-metre Bakun dam would be the second highest rockfill dam in the world after the Shibuya dam in China.
Civil works for its wall, spillway (to flush out excess water), power intake, power tunnels and powerhouse were expected to be completed by June 2010.
The process of draining water into the dam is expected to begin on Nov 21 this year. The dam will be filled in 18 months
Bakun will be the most beautiful dam. It will have six islands and will offer immense eco-tourism potentials.


Benefits and Scale
Owner of TGP
Geology and Earthquake
Selection of the Dam Site of the Three Gorges Project
Geological Survey of the Dam Site of the Three Gorges Project
Affection of the Reservoir Water Storage of the Three Gorges Project to the Loca...
Harnessing of the Collapses and Landslides of the Banks of the Reservoir of the ...
China Three Gorges Project ©2002-2010 All rights reserved


The Dnieper river is the fourth river by length in Europe.
The River flows to the Black Sea.
The name Dnieper is derived from Sarmatian and means “the river on the far side”.
Its total length is 2,285 kilometres, of which 1,095 km lie within Ukraine.
The River creates an important transport corridor. It is also used by passenger vessels.
The river is famous for its dams and hydroelectric stations.


The DK series is powered electrically, with a galvanized base frame in the stationary version.
- Wear plates on the front side in the pump housing and cover
- Suction and pressure side with outlet connection flange
- Suction and pressure side with V-part connection piece
- Pressure gauge on the pressure side
- Sight glass on the suction side
- 2 ”drain opening in the elbow


Until recently the measurements on the dam Jez Podselo were made only on the upper water level. With the new approach of water energy management is to attain complete overview of the movement of the water level flowing into the lake with the lake tributaries.
With the new system the upper and the lower water level on the dam Jez Podselo are measured, as well as of the two tributaries on the measuring points Most na Soči and Bača pri Modreju.
V-elin manufactured hydrostatic probes are used on all measuring points. The probes on the upper and lower water level are wire connected with the computational unit through the unit for galvanic isolation.
The probes are connected to the central computational unit that enables local display of measured values (levels and water temperature), which is connected to the central SCADA power plant system through the RS485 Modbus communication. This connection is established with the optical communication. Central computational unit is manufactured by V-elin, and SCADA power plant system is manufactured by SIEMENS.
Central computational unit is equipped with GSM/GPRS communication modem with which it can collect data measured on the remote measuring points at Most na Soči and Bača pri Modreju.
Measuring points at Most na Soči and Bača pri Modreju have their own power supply through PV modules, batteries for periods without sun and a computational unit that ensures the operating of the whole system as well as the continued transfer of measuring signal to the central computational unit.


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As the GDP grows, more new power stations have to be built for the surge of electricity demand in the developing countries. HDPE Geomembrane is widely used for the various storage ponds in the power stations. Such as
- Evaporation pond
- cooling pond
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Hydraulic Pressure Gauges
G Hydraulic Pressure Gauges-Designed for fast, easy installation, hydraulic gauges are ideal for use in many applications.
Model : G Series
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Black and white photograph from 1863 of the flooding Grand River rushing over the Stone Dam in Grand Ledge, Michigan. The Stone Dam was constructed in 1887 by J.S. Mudge, the then new owner of the Seven Islands Resort. This dam created a deep, level body of water used for boating and swimming. In 1893, the river flooded, bring with it chunks of ice; both the ice and the flooding water several damaged many buildings.


The river Osum is 161 km long from its source (in the Vithkuq mountains, close to the border with Greece) to the town of Ura Vajgurore, where it joins the Devoll River, to create the Seman River. The stream of the river can be divided in three parts, the upper stream, the middle stream and the lower stream. The upper and middle stream cross through a mountainous and hilly area, and will be used for the construction of the power plants. The water basin that feeds the Osum River is bordered in the north with the Devoll River, in the south with the Vjosa River and in the east with the Greek border. The river has a water catchment area of 2142 km2.


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Időjárási előrejelzés Dallas
Flood Warning issued June 24 at 2:52PM CDT until June 25 at 9:30PM CDT by NWS Dallas-Fort Worth
Dallas ...The Flood Warning continues for the following areas in Texas... Trinity River At Dallas Affecting Dallas County The Flood Warning continues for The Trinity River At Dallas. * At 0200 PM Saturday the stage was 30.78 feet. * Flood stage is 30 feet. * Minor flooding is occurring and Minor flooding is forecast. * Forecast...The river will continue rising to a crest near 35 feet by tonight. The river should fall below flood stage Sunday morning. * At 35 feet, Some low water crossings use by cattle for grazing will be inundated, as well as low lying areas likely under water. && Do not drive cars through flooded areas. Caution is urged when walking near riverbanks. Stay tuned to NOAA All Hazards Radio for the latest river forecasts.


Pedelta participated in the design and construction of the third drinking water tank on the Torre Pinos hill, in the municipality of Granollers, north of Barcelona. The tank is fed by a pipeline coming from the River Ter basin and serves to regulate the drinking water distribution network in the area. The volume of the tank is 17600 m3. The structure is designed with a continuous concrete bottom slab and a precast roof consisting of prestressed concrete panels and prestressed precast beams.
The project also included the replacement of a 200 m long pumping pipe with a diameter of 700 mm, the construction of 240 m long outlets for the three tanks with ribbed polyethylene pipes and the connection of the new water tank to the pipeline network at two bifurcation points. Pedelta oversaw the works on site.


Dubai Water Canal
Dubai Water Canal is yet another unique project by Dubai Roads and Transport Authority (RTA). The construction works of the projectâ€™s infrastructure is scheduled for completion by 2017. This project will connect the Business Bay with the Arabian Gulf passing through the heart of Dubai.
An approximate 150,000 cubic metres of high durable concrete will be supplied by Unimix for this project.


Case study: Kidston Pumped Hydro Storage Project
The Kidston Pumped Hydro Storage Project is a 250-megawatt pumped storage hydroelectric power generation facility that will use the decommissioned Kidston Gold Mine’s upper and lower pits.
The project has been enabled through the Queensland Government’s investment of $147 million in transmission infrastructure to connect the project to a 186-kilometre transmission line from Kidston to Mount Fox near Ingham, creating 400 jobs. Construction of the pumped hydro project will create a further 500 jobs, powering North Queensland’s economic recovery.
This project is important step in the roll out of large-scale energy storage capability to enable more renewable energy to come into the National Electricity Market. The Kidston Pumped Storage Hydro Project and its associated transmission infrastructure is expected to be completed and feeding into the National Electricity Market by early 2025.


Anacostia Pump Station Replace
Owner: DC Water 5000 Overlook Ave. SW Washington, DC 20032
Start Date: 3/8/2007
Completion Date: 11/21/2008
Type of Work: : Pumping Station
Scope:: This project involved the construction of a new finished water pumping station with twelve new pumping units. The structure included a lower level area, pump room, operations room, electrical room, battery room, generator room, and toilet rooms.
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7100 Athens Place Washington, DC 20512-7100


The SPS 3003 Z series combines a stainless steel pressure sensor with an integrated pressure connection and an amplifier circuit. The 0.5 V ... 4.5 V output is proportional to the applied pressure. No seal is required between the sensor and pressure connection, which makes the sensor particularly resistant to aggressive media. Its high burst pressure and overload capacity also makes it ideal for hydraulic applications.
Brake systems, Forklift trucks, Hydraulic, Cooling systems, Pressure transmitters, Pressure switches


Vortex Flow Controls (VFCs) are commonly used in drainage schemes to regulate the stormwater runoff from urban areas.
Through the use of vortex flow technology FP McCann’s Stormbrake™ provides the solution to a variety of stormwater management problems. These include accurately controlling stormwater flow, minimising upstream storage requirements and reducing the risk of blockages compared to traditional orifice plates.
What is Vortex Flow Technology?
Vortex flow technology is based on the principle of a vortex hydrodynamics, where under sufficiently high upstream water levels a vortex is induced in the flow by the device. The vortex motion results in significant energy loss, creating a pressure drop across the device and restricting the discharge leaving the outlet. The geometric properties of the device control the amount of flow restriction and can be tailored to suit the design conditions for a specific site.
- Reduces the amount of upstream storage required, minimising the cost of providing attenuation facilites
- Minimal maintenance required after installation. FP McCann’s StormBrake™ is self-activating and function without any mechanical components
- Outlet clearances up to 6 times larger than an equivalent
- orifice plate, significantly reducing the risk of blockages and
- the associated maintenance costs
- Accurately designed to meet a wide range of design conditions:
- – flows up to 120l/s;
- – heads up to 3m
- Contains a bypass door which can be manually opened at ground level using a pull cable to allow easy access for inspection or blockage removal


Koshin Centrifugal Pumps
Koshin centrifugal pumps are great for use in the construction and industrial industry. These pumps can be used for dewatering as well as draining. The pump housings are made of die cast aluminum for strength, weight reduction, and portability. The pumps impellers and volutes are constructed of cast iron for durability and long operating life. The pumps use Honda engines with the low oil shut off feature. These pumps self prime up to 26′.There is a strong transport protection powder coated steel roll cage on engine pumps 2″ or larger. We also offer a 2 year limited warranty on pump ends.


3407 Rose Ave.
Ocean, NJ USA
VALVE GATE SYSTEMS (mm)
ORYCON manufactures valve gate systems for various applications. Both hydraulic and pneumatic, designed for long life, low maintenance, and easy installation. Our valve gate systems are suitable for small, medium and large volume parts.
Click on a Valve Gate System For More Information.


Eren invests in washing
First publishedon www.AggBusiness.com
Aggregate production for a US$100million canal construction project in south eastern Turkey has been improved with the delivery of a new mobile washing plant. Eren Inşaat has invested in a new M2500 mobile washing plant for the project which involves construction of a 63km length of the 221km canal (see ABE July/Aug 2010) which will transfer water from the Ataturk reservoir for agricultural irrigation. Eren has said that it invested in the plant because it can be moved with the mobile crushing and screening plant as the project progresses.


This is a large hydroelectric power station in the south of Ukraine, the fifth stage of a cascade of hydroelectric power stations, provides electricity to the Donetsʹk-Kryvyi Rih industrial area. The station is the oldest among the cascade of power stations on the Dnipro River. On its basis in Zaporizhzhia was created metallurgical, chemical and machine-building industrial complex. With the construction of the dam, which increased the water level by 50 meters in the Dnipro river, shipping began. On May 1, 1932, the Dnipro hydroelectric power plant produced a stream. In 1969 the construction of the Dniproges-2 and the new one in the single-chamber airlock began. The new gateway is a unique engineering structure, it has become a domestic analogue of the famous Panamanian locks. Now the total power of the Dnipro Hydroelectric Power Plant is 1538.0 MW.


We are a technologically driven Manufacturer and Supplier of Hydraulic Press including C Frame Hydraulic Press, Fix Frame Hydraulic Press and Power Operated Hydraulic Press. These Hydraulic Press Machines are equipped with advanced components that ensure uninterrupted performance for hours. Hydraulic Press is designed for precise and speedy performance at low operating cost. Hydraulic Press has durable and corrosion resistant housing, which makes it withstand high pressure.
For more details please click on the links given below


Bakun dam -water level up; Rajang, down-a fair exchange?
October 30, 2010 by democracy4now
The linkage cannot be denied from these recent pictures:
Latest pix of Bakun Dam's impoundment-water level has gone up
Rajang's water level has gone down-is it a fair exchange with the Bakun dam developer?
The pictures are from here.


FORT WAYNE WASTEWATER TREATMENT PLANT
Fort Wayne, Indiana
This project consisted of two phases of construction. Phase No. I construction began on this project in the fall of 2002 and completed in the Fall of 2004. This project consisted of the construction of influent tunnels and a new headwork’s screening building. Patriot’s role for this project also consisted of auger cast pile installation observation and testing, piles load tests, concrete compressive strength testing, and soils testing.
Phase No. II construction began on this project in the Spring of 2006 and completed in the Winter of 2008. This project consisted of the construction of four primary clarifiers with piping and tunnels connecting to existing facilities. Patriot’s primary contact for this project was Chris Stenback with Barton Malow Company. As with Phase No. I, Patriot’s roles for this phase of the project consisted of auger cast pile installation and observation and testing, pile load tests, concrete compressive strength testing, and soils testing


In the Financial Year 2021-22, about 72 work orders has been created under Kalashimukh ADC Village, Jolaibar RD Block for implementations of various developmental works under MGNREGA scheme.
Out of 72 work orders, about 64 developmental works have been completed 29 land levelling works have been undertaken and completed under MGNREGA.
The work of land levelling has been completed spending Rs 2.507,432.
The work of flood diversion and channel construction has been completed under Kalashimukh ADC Village spending Ra 1, 322,473.
About 16 works like constructions of roads has been completed spending Rs 1.558,698.
OneCheck Dams will be constructed across a natural streams water bodyunder MGNREGA where Rs 2, 01.782 will be spent involving 994 mandays under Kalashimukh ADC Village.


6" Diesel Pump
225 1800 $225.00 - $1,800.00
Heavy-duty automatic self-priming centrifugal trash pumps are ideal for high flow efficiency and superior solid handling capabilities. Excellent for contractors, pump rental companies, mining, general construction and municipal use where unattended operation is necessary. High-grade cast ductile iron pump housing, wear plate and impeller construction is jobsite tough.


UPDATE: Sangamon Flood Warning Extended to Monday Morning
The Flood Warning for the Sangamon River at Monticello has been extended until Monday morning.
The river stage at Monticello remained at 13.2 feet on Sunday morning, the same level as on Saturday morning.
Flood stage for the Sangamon River at Monticello is 13.0 feet.
The National Weather Service forecasts that the river level will hover just above flood stage at Monticello for the remainder of Saturday, before slowly beginning to fall.
By Monday morning, the river is expected to be just below flood stage.
In the meantime, the Weather Service says the Monticello area has been seeing minor flooding in the area, and is predicting more minor flooding to occur.
It advises motorists who encounter a flooded roadway to turn around and find an alternate route.


General Electric GE Renewable Energy, in consortium with Power China /Zhongnan Engineering Corporation Limited, announced that it has been selected by Pakistan Water and Power Development Authority (WAPDA) to supply six Francis turbines and generators for Stage 1 of the new Dasu hydropower plant in Pakistan.
The 2.2 GW Dasu hydropower project is one of the most important power generation projects in the country. The plant will help generate clean electricity, ushering in a new era of socio-economic potential and development in remote areas.
The project will be completed in two stages. The first stage consists of installing a 2,160 MW hydropower plant on the Indus River, which could be expanded to 4,320 MW in a second phase


|Home||» Products||» Paddle Type Flow Switch|
Paddle Type Flow Switch
The Paddle Wheel Flow Switch is serviceable whenever visual flow signal (without flow measurement) is mandatory. The structure of these products is so simple and functional. These are featured with paddle wheel, which is fixed into motion via the flowing media. The clearly noticeable, rotating paddle wheel delivers visual hint of flow. Flow ranges are diverse by varying the inlet port orifice, enabling utilization of the same size frame for all flow varieties. The switches can be installed in all places, as long as the flow relics in the direction of the arrow. These Paddle Wheel Flow Switches can be ranged for optimal visibility.


Product added to cart
GRAPHITE submersible water pumps with powerful motors are designed for pumping clean or dirty water, but contamination size should not exceed 20 mm. The tool is made of stainless steel and has protection class I, level IP68. The tool features automatic on and off switching depending on the water level changes. The pump is equipped with long copper power cord and a carrying handle. The tool is not designed for pumping water for food purposes. The pump set includes pipe stub and blanking plug. Compliance with European standards is confirmed with CE certificate.


BACK PRESSURE VALVES AND CONTROL PLUG
BACK PRESSURE VALVES
The B-H Back Pressure Valve is a one-way check valve used to seal tubing pressure to 20,000 psi while the blowout preventers are removed and the Christmas trees is installed. It also permits fluid to be circulated down the tubing and prevents back flow.
The B-H Two-way check Valve is installed in the tubing hanger to allow the Christmas tree to be tested to 15,000 psi. The twoway check valve allows pressure to be equalized above and below the seal, ensuring safe removal from the tubing hanger. The shallow threads on the B-H Back Pressure Valve and B-H Two-way Check valve provide strength, allowing the valves to withstand extremely high pressure without significantly reducing the tubing hanger bore size.
VALVE REMOVAL AND CONTROL PLUGS
The control plug is a check valve which allows a pressure gauge to be installed in the housing or spool outlet companion flange.The check valve contains well pressure when the 1/2” pipe plug is removed.The control plug is ported to eliminate the passage of well fluid around the threads when the pressure gauge taps the well pressure.


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As of Sunday, September 17, the water level in the cooling pond at the Zaporizhzhia Nuclear Power Plant (NPP) grew to 15.95 meters.
The National Nuclear Energy Generating Company Energoatom said this in a post on Telegram, Ukrinform reports.
“As of 12:00 on September 17, a slight increase in the water level in the cooling pond was recorded. Currently, it is at 15.95 m,” the report says.
According to Energoatom, despite Russia’s blowing up of the Kakhovka HPP dam, the situation remains stable and under control.
The water level in the “hot” channel of the Zaporizhzhia Thermal Power Plant, from which the ZNPP pond is fed if necessary, is currently at 16.77 meters, in the “cold” channel – 10.75 meters.
The company noted that the water level in both channels almost does not drop significantly, and the indicators no longer depend on the Kakhovka reservoir destroyed by the Russian forces.
It is stressed that ZNPP power units have not been operating since September 2022, therefore, active evaporation of water from the cooling pond has not occurred since then.
As reported, on September 15-16, the water level in the Zaporizhzhia NPP cooling pond reached 15.94 m.
The water level in the “hot” channel of the Zaporizhzhia TPP was at 16.70 m. In the “cold” channel, the water level reached 10.84 m.
Photo: Kostiantyn Liberov


New Project Announcement: Glashaboy Flood Relief Scheme
We have great pleasure in announcing that Cork City Council has appointed Sorensen Civil Engineering as Main Contractor to deliver the Glashaboy Flood Relief Scheme. This 32-month project entails the construction of direct flood defences and conveyance improvement measures along the Glashaboy River and its tributaries. The flood defences proposed include flood walls, embankments, localised channel widening/deepening, and the replacement of culverts and bridges. The scheme will provide much needed protection for 78 residential properties and 25 commercial premises.


Friday, 21 May 2010
The water level Controller is a reliable circuit, it takes over the task of indicating and Controlling the water level in the overhead water tanks. The level of the water is displayed in the LED Bar graph. The Copper probes are used to sense the water level. The probes are inserted into the water tank which is to be monitored. This water-level Controller-cum-alarm circuit is configured around the well-known 8 bit Microprocessor 8085. It continuously monitors the overhead water level and display it and it also switch Off the Motor when the tank fills and it will automatically switch On the Motor when the water level is low. The Microprocessor will also indicate the water level over the LED display. All the input and output functions are done through the Programmable Peripheral Interface IC 8255.
Labels: Microcontroller projects
Engineering Seminar Topics,Engineering Project topics,Engineering Project Ideas,project topics, paper presentation topicsFree engineering seminar topics, project topics,This blog does not claim credit for any images and videos featured on it.Engineering Seminar Topics,Engineering Project topics,Engineering Project Ideas,project topics, paper presentation topicsFree engineering seminar topics, project topics,


Islamabad: (app) water and power development authority (wapda) has completed feasibility studies and prefeasibility studies of eight run of the river hydropower projects by utilizing tributaries of the rivers the said the feasibility studies of projects included basho hydro power project (40 mw. Ce111 this project entitled prefeasibility study of upper khudi -a hydropower project is one prepared by group of five students in partial fulfilment of requirement for the bachelor's degree in civil engineering. The upper karnali hydroelectric project, the study of upper karnali run-of-river project to conduct prefeasibility study of this project after the. This project entitled pre-feasibility study of hewa khola-b small hydropower project is the one prepared by a group of six students in partial fulfillment of the requirement for the bachelor's degree in civil.
A recent pre-feasibility study confirmed there are no fatal flaws surrounding the concept of a hydro-electric power station on the burdekin falls dam. Canton hydro upper collinsville dam clean energy fund to conduct a pre-feasibility study to explore the repowering of the upper and lower collinsville dams. Besides that, beijing engineering corporation has completed the investigation and design works for some huge hydropower projects, such as maji hydropower station (4200mw), songta hydropower station (3600mw) and yabiluo hydropower station (1950mw) and has completed investigation and design works for tens of small and medium hydropower projects.
The overwhelming superiority of the 4180 mw upper karnali storage project among the large hydropower projects identified so far in nepal is so obvious that the team of the consultants conducting the pre-feasibility study of the 300 mw upper karnali project under the financial assistance of the world bank must have been shocked by our ignorance. Enguri 3 hpp pre-feasibility study upper enguri river basin usaid hydropower investment promotion project (hipp) contract number: eem-i-00-07-00005. Activities and societies: final year project: pre-feasibility study of rigdi khola small hydropower project, chitwan (a project being developed by hydro solutions pvt ltd, swoyambhu, kathmandu) elective subjects: 1.
• atlin hydro expansion prefeasibility study successfully awarded funding tagamounation's new post hydro project etc) complete pre-feasibility study. Cost estimates prepared for this pre-feasibility study are approximate only and meant for planning purposes by the client for hydropower license upper. Middleback ranges pumped hydro energy storage project pre-feasibility study tasmanian electricity export plan charges up tasmania could export renewable energy to mainland states as part of their plan to become the battery of the nation, a new report has confirmed.
Following the successful completion of a pre-feasibility study in 2014, smec is to undertake the feasibility study for the next phase of the 12mw baime hydropower project in morobe province, papua new guinea the baime project consists of a low height diversion weir, a 3 pkm long headrace pipe, a. Guaranty fund for nt2 hydropower project from ban chim which situates on the upper middle reach of nam according to the study on pre-feasibility study on. Feasibility study of 5 mw of richet khola hydropower project detail engineering design and preparation of tender documents and construction supervision of upper hudgi khola hydropower project(5mw), gulmi.
Similarly, wapda also completed pre feasibility study of upper palas valley hydropower project (157 mw), middle palas valley hydropower project (398 mw) and upper spat gah (252 mw) in 2008 they said during the last five years, feasibility study of basho (40 mw) hydropower project had been completed. The prefeasibility study of budhi gandaki hydropower project found the project with the option of 600 mw with fsl 520 masl as the most promising and recommended for the project development. The upper mazaruni hydro-electric project and pre-feasibility studies of a limited number of sites a feasibility study for the establishment of the upper. Feasibility study and environmental impact assessment (eia) study of upper khudi-a hydropower project (278 mw) post evaluation of six hydropower detailed geotechnical studies including topographical survey of sharada-babai hydropower project (93 mw.
Silver lake hydropower project ferc no 13717 pre-feasibility study reportpre-feasibility study report december 2010. Study and was studied by halcrow to pre-feasibility level in 1998 social and a feasibility study of the project is recommended the nam mo hydropower project. 2074/75-5 pre-feasibility study of upper kaligandaki hydropower project 2 the department of electricity development (doed) now invites eoi from eligible consulting firms.


It is suitable for pumping or normal concrete project with strength grade of c15~c60 and above. Particularly suitable for the preparation of high durability, high flow, high slump, high-strength and the appearance of high quality requirements of the concrete project.
It is very advantageous for the preparation of high fluidity concrete, self-compacting concrete and clear water surface facing concrete. Ordinary water-reducing agent suitable for daily minimum temperature of 5 ℃ construction of concrete. High-efficiency water-reducing agent suitable for the daily minimum temperature of 0 ℃ of concrete construction, and suitable for the preparation of large liquid concrete, high-strength concrete and steamed concrete.


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At the initial stage of the diversion tunnel project of the Copper Daimi tailings of the Miladuo Copper Mine
At 10:28am local time on February 28 in Ecuador, with the sound of the last blasting of the diversion tunnel at the beginning of the Tongdaim tailings yard of the Miladuo Copper Mine, a total length of 650.7 was constructed by the Tongling Nonferrous Copper Crown Mine Construction Company. m. The 4m×5m cross-section of the initial dam diversion tunnel was completed throughout the project and entered the construction phase from the construction preparation period, which provided guarantee for the commissioning of the Mirador project in 2019.


1159 AM CST Sat Jan 2 2021
The National Weather Service in Memphis has issued a
* Flood Warning for
the S.F. of the Forked Deer River at Jackson.
* From Sunday morning to Sunday afternoon.
* At 11:00 AM CST Saturday the stage was 33.7 feet.
* Flood stage is 34.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 34.0 feet
* Impact...At 34.0 feet, Businesses along Westover Road are affected
by flood waters.


LAFARGE CIMENT, Nord de la France
IBAU HAMBURG has equipped for Lafarge Cimentthree cement barges for self-unloading each with a hold capacity of 2,200 t, a length of 79 m and a width of 11 m.
These barges are transporting cement on the River Seine. In each barge a screw distribution system has been installed for the barge feeding with a conveying capacity of 2x 200 t/h. The storage holds are lined with fluidising panels. The barge’s self-unloading system includes a vertical screw conveyor which transports the material to a screw pump on the pier. Each screw pump has a discharge capacity of 150 t/h.


Self Acting Pressure Regulators
Valveforce in control under pressure
Self-actuating pressure control valves from Valveforce are designed to maintain an adjustable set point for pressure control systems. Our range is self-actuating and therefore does not need an additional auxiliary energy supply such as electric or air. Our range of self-actuating pressure control valves are easily to operate and set up, these are probably the most cost effective control valves available.
Pilot Operated Pressure Reducing Valves
Direct Acting Pressure Reducing Valves
- Very robust ensuring long life with minimal maintenance
- Operates in harsh applications with often large pressure drops and flow rates
- Available in large sizes with balanced bellows for larger pressure drops


Three Gorges: The Biggest Dam in the World streaming
|53 min||Documentary||0 USD|
Download link for "Three Gorges: The Biggest Dam in the World" :
Explores the plans for the construction of the monumental dam on China's Yangtze River, the structure that when completed in 2009 will become the Three Gorges Dam. It is slated to be 610 feet high, 1.3 miles across, creating a reservoir 400 miles and the largest power plant in the world.


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Tehri Dam is a Hydro Electric Power plant under THDC on the Bhagirathi River at Tehri, Uttarakhand. The Students observed the following:
- Tehri Dam is the highest Dam in India and one of the highest in the world.
- Total power producing capacity is 1000 MW.
- Francis Turbine is used to generate the electricity.
- Hydraulic and Pneumatic system is used to open and close the supply of water into the turbine


The Water Authority announced that last weekend the water level in the Kinneret rose from continued flow of rivers and streams, by seven centimeters (2.75 inches). This brings the water level up above the lower red line.
The water level is now 212.99 meters, bringing it to 4.19 meters below its maximum level (the upper red line). The rain that has already fallen will raise the level much more, but everyone hopes and prays for more rain.
There are three water level lines drawn by authorities for the Kinneret: the upper red line which is the highest level it can be allowed to reach before opening the dam to let out water, the lower red line which is a level below which it was always said the water should not fall, and the black line which is a level at which it is said that irreversible damage will happen to the lake ecosystem. The water level has not reached the black line, but for years it has not filled up to the lower red line.


Ball Construction is pleased to report steady progress at the Waste Water Treatment Plant (WWTP) upgrade at 700 Woodward Avenue, in Hamilton, Ontario.
This is a joint venture between Ball and Maple Reinders (deemed Maple Ball JV). Having begun in 2017, the estimated $87 million sub-project is part of the city’s Clean Harbour Program, a series of projects designed to improve the water quality of Hamilton Harbour.
Working in conjunction with the consultants, AECOM, this general contractor/bid spec project involves constructing a new main pumping station (MPS) for the WWTP. Benefits include increased capacity, enhanced conveyance to mitigate system flooding, provide increased system storage and reduce solids buildup during dry weather flows, and an improved maintenance regiment that will allow for half the wet well to be offline for maintenance while the pumping station remains operating.
The new circular building will be 41.97 metres in diameter and approximately 43 metres height, of which 27 metres will be underground. The pumping station will house 12 pumps, each having 700 horsepower and have an overall capacity of 1,700 ML/d (megalitres per day) of waste water.
Phase 1, which involved relocation of the engineering offices and construction of the new site entrance, is now complete.
We are now working through Phase 2, which requires construction and commissioning of the new main pumping station and inlet tunnel. We have recently finished the excavation of the pumping station shaft and we are commencing the concrete works and foundation rock anchors. We’ve also begun tunnel operations for the inlet tunnel that will connect the existing pump station to the future pump station.
Phase 3 will involve abatement of designated substances and demolition of the existing pumping station and has not yet started.
The project’s completion date is estimated to finish in mid-May of 2021.