Dam Safety The Department is concerned with the protection of the health, safety and welfare of the people of the State of New York and the conservation and protection of its natural resources. Water stored behind a dam represents potential energy which can components of dam pdf a hazard to life and property located downstream of a dam. The risks associated with the storage of water must be minimized at all times.
The height of a dam, its maximum impoundment capacity, the physical characteristics of the dam site and the location of downstream facilities should be assessed to determine the appropriate hazard classification. If you are considering the construction, modification, or repair of a dam, please contact the Department’s Dam Safety Section. For those who live near or below a dam please see the “living with dams” offsite link in the right column for additional information. Owners Guidance Manual for the Inspection and Maintenance of Dams in NYS The Owners Guidance Manual for the Inspection and Maintenance of Dams in New York State is available for download below or in the important links column on the right. The Guidelines for the Design of Dams is also available for download in the important links column on the right. New York State Dams Inventory The DEC has a Virtual Globe dataset that depicts the location of dams in the New York State Inventory of Dams. While the DEC tries to maintain an accurate inventory, this data should not be relied upon for emergency response decision-making.
DEC recommends that critical data, including dam location and hazard classification, be verified in the field. December 2009 Letter to Class C and Class B Dam Owners – Notification letter to Class C and Class B dam owners regarding time deadlines for compliance to NYS Revised Dam Safety Regulations. For help with PDFs on this page, please call 518-402-8185. Jhelum River in the Mirpur District of Azad Kashmir in Pakistan.
It is the seventh largest dam in the world. Picture taken on the Mirpur city side of Lake, near sunset. The Mangla Dam was the first of the two dams constructed to reduce this shortcoming and strengthen the irrigation system of the country as part of the Indus Basin Project, the other being Tarbela Dam on River Indus. Mangla Dam was constructed at a cost of Rs.
World Bank and the Asian Development Bank. Pakistani capital, Islamabad in Mirpur District of Azad Kashmir. 142 x 106 cu yds and concrete to 1. 96 x 106 cu yds respectively. The main embankment is earthfill with clay as the core material. Gravel and A-type sandstone are applied on the shoulders.
The maximum height of embankment above the core trench is 454 feet and the length is 8,400 feet. Sukian Dam is earthfill with B-type sandstone as the core material. A-type sandstone is applied on the shoulders. The maximum height of the intake embankment above the core trench is 144 feet and the length is 16,900 feet. Jari Dam is also an earthfill type with silt as the core material. Gravel is applied on the shoulders of the dam. The maximum height of Jari dam above the core trench is 274 feet and the length is 6,800 feet.
The emergency spillway is weir type with an erodible bund and a maximum capacity of 0. The power house, which consists of turbines, generators and transformers, has been constructed at the toe of an intake embankment at the ground surface elevation of 865 feet SPD. Each tunnel is designed to feed two generating units. There are ten vertical Francis type turbines in the power house.
Each of these turbines has an output of 138,00 bhp with a rated head of 295 feet of water. These turbines are connected to umbrella-type generators which have a generation capacity of 100 MW. 4 and 7-8 while Škoda generators are connected to turbines 5-6 and 9-10. These generators are in turn connected to three-phase transformers. The transformers connected to turbine 1, 4 and 7 were manufactured by the Italy-based Savigliano. The transformers for turbine 5 and 6 are a make of Italtrafo, another Italian company, while the remaining five transformers were provided by Škoda.
Over 280 villages and the towns of Mirpur and Dadyal were submerged and over 110,000 people were displaced from the area as a result of the dam being built. The project was designed primarily to increase the amount of water that could be used for irrigation from the flow of the Jhelum and its tributaries. Its secondary function was to generate electrical power from the irrigation releases at the artificial head of the reservoir. The project, though not initially designed as one, also works as a flood control structure by retaining water during the flood-prone season of Monsoon.