Cross drainage works canal discharge hydrology free. Those are surveys of large water bodies for navigation, tidal monitoring, the construction of harbours etc. 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. Water resources engineering ii notes pdf wre ii notes pdf. Cantilever beam, simply supported beam, overhang beam, three hinged arches, suspension cables and compound beams. Up next cross drainage works cross drainage works in hindi duration.
The following pictorial view of a typical roadway and the associated cross sectional end areas illustrates how the earthwork volumes are computed throughout a typical project. When a natural drain crosses or intercepts an irrigation canal it becomes necessary to construct some suitable structure to carry forward the canal safely. Also often the water from the side drain is taken across by. Culvert extension a portion of a culvert built beyond the limits of a previously existing culvert. Cross drainage works are eliminated in case of ridge and side slope. Types of cross drainage works cross drainage works carrying. Selection of a suitable site and type of cross drainage work. Cross drainage works in hindiby civil engineering youtube. The drainage system should be so designed as to guard against fouling, deposit of solids and clogging. Classified traffic volume study with use of hand count, tape, video recorder c. Crossdrainage works are the structures which make such crossings possible. The main objectives of this module to provide guidance to las in sri lanka and officials who engage in road and drainage maintenance activities. Canal fall necessity and location types of falls cross regulator and distributory head.
Orifices an orifice is a submerged opening with a closed perimeter through which water flows. Chapter 3 section 303 earthwork design 7 august, 2011 volume calculations. This structure is suitable when the bed level of drainage is above the. Highway drainage highway engineering linkedin slideshare. Electrical, electronics and communications engineering. General features see other formats disclosure to promote the right to information whereas the parliament of india has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and. The book will be quite useful for the students of agricultural engineering.
Arup kumar sarma, department of civil engineering,iit guwahati. Hydrology and drainage study riverside, california. Structural analysis ace academy ae aee handwritten notes pdf free download for assistant executive engineer and assistant engineer government posts exams assistant executive engineer aee and assistant engineer ae are the government posts where civil engineers will be recruited in different departments like irrigation, rural, roads, cad. This video will recap a challenging flood mitigation project that was 20 years in the making, and contrast it with the mile high flood districts modern approach to urban stream design an approach we call high functioning and low maintenance streams hflms.
The mep design of building services ced engineering. Alternatively we can provide cont layer of 75 100 mm thick laid under the shoulder at the. Up next siphon aqueduct cross drainage structure irrigation engineering ioe, tu duration. Section 303 earthwork design wyoming department of. Canal comes across obstructions like rivers, natural drains and other canals. Orifices are analyzed using the following equation.
Box culvert a culvert in the shape of an enclosed rectangle and consisting of a bottom slab, two wall elements and a top slab. The applicable practice standards are from national handbook of conservation practices nhcp 607 surface drainage, field ditch and 608 surface drainage, main or lateral. Lecture notes water and wastewater treatment engineering. Hydrology and irrigation study notes handwritten free pdf. An outline of the environmental conditions experienced in different areas of a building and how the area zoning should be assigned to the building is given below. Dec 22, 2016 autoplay when autoplay is enabled, a suggested video will automatically play next. Hydrology and irrigation study notes handwritten free. Types of cross drainage works cross drainage works. This work had been conducted under the guidance of dr a. A cross drainage work is a structure carrying the discharge from a natural stream across a canal intercepting the stream. The various types of structures that are built to carry the canal water across theabove mentioned. The optimum building orientation is somewhere along the eastwest direction. The hydraulic structure in which the drainage is passing over the irrigation canal is known assuper passage. Cross drainage works are the structures which make such crossings possible.
Slope of ground is more or less uniform and slope is greater than permissible bed slope of canal. Road and drainage standards drawing name title pdf page. Since 20, through an online portal, 4, 8, or 12week. Main canal is generally carried on a contour alignment. The hydraulic structure in which the drainage is passing over the irrigation canal is known as super passage. Statically indeterminant structures if the total number of unknown support reactions are greater than the equilibrium equation, it is called a statically indeterminate structure. But in actual orientation of the canal network, this ideal condition may not be available and the obstacles like natural drainages may be present across the canal. Drainage of surface water is all the more important in hill roads. Selection of a suitable site for cross drainage work. According to the shape of their crosssection, canals are called rectangular a, triangular b, trapezoidal c, circular d, parabolic e, and irregular or natural f see fig. It was explained so simple, please dont stop doing videos. Storm water drains are separately constructed as surface drains at suitable gradient, either rectangular or trapezoidal section.
Lecture note course code bce 305 veer surendra sai. To achieve this, the alignment should be chosen along the water shed line if possible. In hill roads disposal of water is also very important. This type of structure is costlier one and needs to be avoided as much as possible. A watershed or ridge canal irrigate areas on both sides. Types selection of suitable type of cd works aqueduct and syphon aqueduct determination of maximum flood discharge and waterway for drain, fluming of canal uplift pressure on underside of barrel roof and at the floor of the culvert design of bank connections.
Download irrigation engineering and hydraulic structures by santosh kumar garg the book is designed to cover the major. In this series of lectures main drainage systems we shall discuss the procedure to design a main drainage system. In impervious type, it is practiced to extend the subbase course with drainage across the shoulder upto side drain. The instrument can be used to measure horizontal and vertical angles as well as sloping distance of object to the instrument. Design of cross drainage works code of practice, part 1. Nptel provides elearning through online web and video courses various streams. Title 1 introduction, water requirements of crops 2 methods of irrigation. Cross drainage for streams crossing the runways, drainage needs to be provided. The following points should be considered while selecting the site of a crossdrainage work.
Scribd is the worlds largest social reading and publishing site. The module is applicable to field office operations. Read this article to learn about the meaning, types and selection of site of cross drainage works. A side slope canal is aligned at 90 degree to the contours of the region. Necessity of canal falls when slope of ground suddenly changes to steeper slope, permissible bed slope cannot be maintained. The following is a set of lecture notes from the class, prepared by dr. Nptel video lecture topic list created by linuxpert systems, chennai. While crossing river, the sites should provide all the requirements needed for a good bridge construction. Certain maintenance problems may arise due to faulty hill road construction. As these works are constructed for crossing the drainage, they are termed.
Also often the water from the side drain is taken across by these cross drains in order to divert the water away from the road, to a water course or valley in the form of culverts or bridges. 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. Reconnaissance survey preparation and scope the reconnaissance survey is an extensive study of an entire area that might be used for. This structure is suitable when the bed level of drainage is above the flood.
Apr 04, 2017 for a quick drainage it is necessary to ensure that shoulder surface is properly sloped and free from irregularities and depressions. It is also integrated with microprocessor, electronic data collector and storage system. 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. Where canal crosses valleys, different types of cross drainage works are required. Pdf irrigation engineering and hydraulic structures by. Total station is a surveying equipment combination of electromagnetic distance measuring instrument and electronic theodolite. The various types of structures that are built to carry the canal water across the above. Dec 06, 2016 cross drainage works carrying drainage over canal. It is a structure carrying the discharge of a natural stream across a canal intercepting the stream. Wbm road construction procedure construction of water bound macadam road involves the following 6 basic steps as given below. Preparation of subgrade preparation of subbase preparation of base preparation of wearing course preparation of shoulders opening to traffic step 1 construction of subgrade subgrade act as a cushion for other layers i. At the site, the drainage should cross the canal alignment at right angles. Additional equations relative to compareability conditions can be use to calculate the.
Such a site provides good flow conditions and also the cost of the structure is usually a minimum. Designer individuals designated by the structural engineer to use this manual to design and detail culverts. Managing a chest tube and drainage system request pdf. Type i c d works carrying canal over the drainage aqueduct. Total station in surveying operation, uses and advantages. Drainage engineering resources advanced drainage systems.
The alignment should be adjusted so that minimum numbers of cross drainage work are required. The most commonly used canal crosssection in irrigation and drainage, is the trapezoidal crosssection. Mineral admixtures select seismology seismology contd. Autoplay when autoplay is enabled, a suggested video will automatically play next. These structures are known as cross drainage works. Design of type ii aqueduct under tunnel reference water resources engineering ii pdf notes wre ii pdf notes wre ii pdf wre ii notes. Structural analysis ace academy ae aee handwritten notes pdf. In cross drainage work, when difference between level of canal and that of drainage is small or when f. Some of the areas water resource engineers touch on are water treatment facilities, underground wells, and natural springs. Students of other related branches of engineering sciences, and. After a brief introduction into the need for drainage in agricultural lands.
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