Silt control at head works river deep foundation free. Modernization of irrigation system operational management by. Cross head regulator machai, mardan it is also called a canal head regulator. Concept of head regulator distribution of water supply from main canal to minor g. The water from the undersluice pocket is made to enter the regulator bays, so as to pass the full supply discharge into the canal. Out of all these component parts river training works include lot of other elements also. Canal head regulator and types of regulators in canals. These structures are necessary for the efficient working and safety of an irrigation channel. It is reasonable to expect an increase of the overall efficiency of about 10 percent or more for a system with some automation. The head regulator is an intake structure located at the southern end of the canal. The main canal is lined with plain cement concrete to minimise seepage losses to attain higher velocity and to control the water logging in. Balloki sulemanki link canal head regulator the indus basin has a long history of irrigation dating back to 4000 year old indus valley civilization in harrapa and mohenjodaro settlements.
The various regulation works may be classified as follows. To control the entry of water either from the reservoir or from the main canal. Or to head up water in the parent channel to divert some of it through an off take channel, like a distributary. Modernization of irrigation system operational management by way of canal automation. Syllabus canal regulation works canal fall necessity and location types of falls cross regulator and distributory head regulator their functions, silt control devices, canal escapes types of escapes. The maximum height of these gated openings, called head sluices will be equal to the difference of pond level and crest level of the regulator. Up to 10 are considered preferable for smooth entry into canal. When a fall is available on the canal the cross regulator is constructed as a fall regulator fig. They form the ds end of the still ponds bounded on two sides of openings are controlled by gates. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to. Nov 25, 2017 total head controls of water supply of minor canal from water distribution to main canal show in videos. This environmental impact assessment is a document of the borrower.
These structures ensure the efficient functioning of a canal irrigation system, by giving full control upon the canals. Practicing all irrigation water resources engineering civil engineering questions and answers in online helps you to improve your ability to attend the real time gate, ies and bsnl jto exams. They are designed for years of reliable service and incorporate bestinclass construction available only from waterman. Canal network sardar sarovar narmada nigam limited. A cross regulator is generally provided downstream of an offtaking channel so that the water level upstream of the regulator can be raised, whenever necessary, to enable the offtaking channel draw its required supply even if the main channel is carrying low supply. It is similar in construction to the head regulator. Apr 05, 2017 this video is about the head regulator and cross regulator explained by professor dr. Dec 06, 2016 a cross regulator is often combined with rail or a road bridge. The tunnel near th head regulator being of same length as that of the width of head regulator tunnel of different length. Sep 27, 2016 a cross regulator is provided on the parent channel at the downstream of the off taking canal to head up the water level and to enable the off taking channel to draw the required supply. It is a perennial canal irrigates all the villages near dha phase 6.
It is manually operated, and water levels in the canal can be monitored by lowering or rising sluice doors. Canal head regulator main canal distributary q canal branch canal distributaries minors watercourses. Top 3 functions of important regulators with diagram. Or to head up water in the parent channel to divert some of it through an. This video is about the head regulator and cross regulator explained by professor dr. Crossdrainage works are the structures which make such crossings possible. Cross drainage works and its types the constructor. Construction in the head of canal taking off from a reservoir may contain number of spans controlled by gates and separated by piers. Waterman canal gates offer reliable water control on canal and pipeline systems which operate at low and medium heads. This type of structure is costlier one and needs to be avoided as much as possible. This sluice allows excess water to flow from the edwc into the hope canal. It consist of a sluice with three green heart timber doors. Concept of head regulator distribution of water supply from. Sscafca dpm section 3 hydraulic design 22111 section 3.
Minimum velocity 2 to 3 ms to avoid deposition in tunnel is kept the same as sill level of head regulator. Canal head regulator or head sluices a structure which is constructed at the head of the canal to regulate flow of water is known as canal head regulator. Capacity of tunnel is about 20% of canal discharge. Design of hydraulic structures civil engineering study. Structure at the head of canal taking off from a reservoir may consist of. The regular discharge from the head regulator is about 87 cusecs. Site location is the nashik left bank canal,near merimaharashtra engineering research. Canal head regulator assignment help and homework help. The tail gate is 55,000 feet downstream from the head. And when it is constructed at the head of distributary, it is called distributary head regulator. Canal head regulator structure at the head of canal taking off from a reservoir may consist of nu ber of spans separated by piers and operated by gates.
Canal regulation the water, which enters into the main canal from the river through canal head regulator, has to be divided into different branches and distributaries. This is the work provided at the head of a branch canal or a distributary and serves the purpose of controlling and regulating the flow into the offtake as well as metering of the flow. Presentation on canal regulation works canal masonry. Some times from economic considerations the canal section is flumed at the regulator site to. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. The arrangement is more or less similar to that of a canal head regulator, with a raised crest, upstream and downstream floors and cutoffs. Design of hydraulic structure, barrage, fall, canal, head regulator preliminary mcqs design of river training work, spur, embankments, apron, pitch etc mcqs design of roof slab mcqs design and. The following points highlight the eight main components of diversion head works. The overall water use efficiency of a manually operated system, exclusive of the use of any return flow, seldom exceeds 40 percent. More falls ground steep gradient lined to permit high velocity 4. The structural design of the cross regulator has to be closely coordinated with that of the head regulator of offtake when. When a fall is available on the canal the cross regulator is constructed as a fallregulator fig.
Structure at the head of canal taking off from a reservoir may consist of number of spans separated by piers and operated by gates. The head regulator of this canal is some 20 km away from lums campus. Institute of environmental sciences and engineering iese. When it is constructed at the head of main canal it is known as canal head regulator. Read this article to learn about the functions of three important regulators. It consists of a number of piers which divide the total width of the canal into a number of spans which are known as bays. A typical layout of the canal head regulator is given in fig.
Process of distribution is called regulation, which is achieved by means of regulators. A crossregulator is often combined with rail or a road bridge. Irrigation water resources engineering civil engineering. Design principles for cross and distributary head regulators. Also, applicable graphs are for 8 curb heights which may not meet rio rancho standards. A cross regulator is provided on the parent channel at the downstream of the off taking canal to head up the water level and to enable the off taking channel to draw the required supply. Read this article to learn about the twelve design principles for cross regulator and distributary head regulators. It has a velocity of water in the initial reach is 1. Before we take up description and design of all these component parts of a diversion head works, let us first of all discuss location of head works. Cross drainage works is a structure constructed when there is a crossing of canal and natural drain, to prevent the drain water from mixing into canal water. It regulates the flow of irrigation water entering. It is a structure constructed at the entrance the head of the canal where it takes off from the river fig. Telugu ganga project is an interstate project formulated to irrigate 5. Punjab irrigation department subengineer jobs 2018.
Total head controls of water supply of minor canal from water distribution to main canal show in videos. We collected most searched pages list related with ppt on canal head regulators and more about it. They form the ds end of the still ponds bounded on two sides of divide dividewall and canal head regulator. Dec 06, 2016 the tunnel near th head regulator being of same length as that of the width of head regulator tunnel of different length. Cross head regulator definition, purposes, uses, applications. Components of diversion head works irrigation agriculture.
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