Water distribution systems are designed to adequately satisfy the water requirements for a combinations of the following demands. Gravity flow water distribution systems are reliable and cost effective over pumping systems as no external power is required to maintain the flow. Gravity flow water systems practical design notes for simple rural water systems contents pagec 1 introduction 2. They are designed to adequately satisfy the water requirement for a combination of o domestic o commercial o industrial o fire fighting purposes. Army corps of engineers 7701 telegraph road alexandria, virginia 223153868 prepared by theodore m. The primary water source of water for washington, dc, is the potomac river.
Jun 01, 2000 presented herein is an algorithm for the design of a gravity flow distribution system with looped configuration and multiple input points. Design of water supply distribution system continued and flow in waste water pipes. Why ensure a basic and common understanding of the necessary theory to design water supply system. Pdf an epanet analysis of water distribution network of.
The system of irrigation is classified as shown in the following charts 1. Water supply schemes are a basic necessity of every towncity. Because of this, the sedimentation step is usually preceded by a chemical process known as coagulation. Distribution system is used to describe collectively the facilities used to supply water from its source to the point of usage.
It is more helpful to revise the basics in quick manner. In this way, the paper presents a scada system for the monitoring and control of the technological parameters in the water distribution stations, which will allow the optimum functioning of the pumping system, safety and endurance growth in. Module on basics of water supply system provides insights on basics component of water supply system, installation and distribution of water supply systems, estimation and measurement of components of water supply system and drinking water quality control. Gravity flow water distribution system design journal of. Any particular use will have certain requirements for the physical, chemical or. System performance, system design, system deployment, and system management. Water is disinfected with sodium hypochlorite and pumped into the distribution system. This handbook provides everything needed to design, analyze, operate, maintain, and rehabilitate water distribution systems. Pipeline design, 5 summary of suggested design guidelines 19 l 1 3 6 11 2 5 10 18 appendices a. This document is highly rated by students and has been viewed 468 times. The course will also provide insight to smart water supply systems including automation, leakage detection. Lecture notes water and wastewater treatment engineering.
Malkki water quality is a term used here to express the suitability of water to sustain various uses or processes. Understanding the fundamentals of a municipal water supply delivery system is essential to closely. One of the nonhydraulic criteria can be the ability to isolate part of the. Chapter 6 irrigation system design part 652 irrigation guide 210vineh 652, ig amend. Now the problem with pumping systems is you are pumping water directly into the distribution system so if there is a power failure to the pumps then the whole. Introduction the design of municipal water supply and distribution systems wdss is still practiced in professional studies using gross simplifying assumptions and a rigidstatic analysis. Water distribution waste water management storm water management solid waste managementcollection systems treatment methods. If you provide only good water supply system and we are not bothered about your wastewater or solid waste or your other sanitation conditions, then you will not. However, field inspections of completed projects and the literature. Chapter 8 water distribution systems distribution system is a network of pipelines that distribute water to the consumers. The hydraulics notions useful to design water supply system.
Suspended particles cannot be removed completely by plain settling. Since the primary pollutant in the brine is salt, disposal in the ocean is generally not a problem for facilities located near a coastline. Allinone, stateoftheart guide to safe drinking water civil engineers and anyone else involved in any way with the design, analysis, operation, maintenance or rehabilitation of water distribution systems will find practical guidance in water distribution systems handbook. Distribution systems types of layouts of distribution systems design of distribution systems. Water distribution systems ppt, water resources system. Field studies, modeling and management a reference guide for utilities u. A good distribution system should satisfy the followings. Water mains shall be sized to provide a minimum system pressure of 20 psi and minimum residual pressure of 20 psi at all points of the distribution system during a fire flow condition with peak system demands a minimum 30 psi at all points under average daily demand conditions. Nptel, online courses and certification, learn for free. Environmental protection agency office of research and development national risk management research laboratory water supply and w ater resources division cincinnati, ohio. This is often the only feasible alternative for many rural areas at the present time and in many countries a major portion of the funds available for water systems are allocated to gravity flow systems. Water quality should not deteriorate while in the distribution pipes.
Water distribution system notes click to download water quantityquality notes click to download water treatment notes click to download water supplyengineering notes click to download thanks have a nice day wish you all the best. Duration of the training 15 to 30 hours generality about this course this course is the first part of the design of water supply system methodology. Civil engineering water and waste water engineering nptel. Develop system assessment tools, initiatives and programs to improve our ability to effectively manage water system assets 3. Velocity pressure pipe sizes head losses design period average water consumption the design criteria for water distribution system can be divided in nonhydraulic and hydraulic design consideration. Sensor technology evaluation methodology and results a guide for sensor manufacturers and water utilities john s. Public water systems that disinfect must monitor for the presence of a disinfectant. This manual has been developed by the central public health and environmental engineering organisation cpheeo, a department under the ministry of urban development moud and serves as a standard guide in public health engineering by providing a code of day to day practice for public health engineers to follow. Every municipal water system has to have a water supply source that is both adequate and reliable for the.
A system that fails to comply with this requirement for any two consecutive months is in violation of the treatment technique requirement. Large, heavy particles settle out readily, but smaller and lighter particles settle very slowly or in some cases do not settle at all. The islamic university of gaza environmental engineering. To develop programs for the design of water tank of flexible base and rigid base and the underground tank to avoid the tedious calculations. Distribution system is a network of pipelines that distribute water to the consumers.
Distribution system basics course syllabus purpose this course qualifies as specialized training for the ca and nv distribution operator exams. Valves such as sluice valves, air valves, scour valves and check valves water meters, laying and testing of pipe lines. For a basic understanding of these concepts, two illustrations are provided that include a relatively small water. Well email you at these times to remind you to study. Selection of pipe material water design guidelines 2015 w4. Water resources engineering nptel online videos, courses. The system should be capable of meeting the demands at all times and at satisfactory pressure 4 water distribution system. Again, this will be a first issue releasing the actual engineering approach.
Pdf a performance indicators system for urban wastewater. Water quality and the distribution system because most of the distribution system is buried, we often dont give it a lot of thought until something goes wrong. The tivoli water treatment system consists of eight wells located at five different well sites developed between 1940 and 2005. Water supply handbook a handbook on water supply planning and resource management institute for water resources water resources support center u. Waterdistributionsystem notes click to download waterquantityquality notes click to download watertreatment notes click to download watersupplyengineering notes click to download thanks have a nice day wish you all the best. Layout of distribution networks, methods of water distribution, storage capacity of esr, and underground service reservoir. An epanet analysis of water distribution network of the university of lagos, nigeria. If you read this book carefully, you can make any cooling tower design programs by yourself. A water supply network or water supply system is a system of engineered hydrologic and hydraulic components which provide water supply.
Chapter 2 water quality this chapter was prepared by m. In the end, the programs are validated with the results of manual calculation given in. But the reality shows that the potable water could be from public water supply system or natural sources, natural sources could include springs, wells, rivers and lakes although reasonably pure, it is always variable due to seasonal variations, regional variation in water quality is influenced by, e. Hofbauer policy and special studies division december 1998 revised iwr. The same basic concepts and principles apply to small community water systems and large city water systems. Network design and dimensioning sswm find tools for. Find materials for this course in the pages linked along the left. At inland desalination facilities, care must be taken to prevent pollution of groundwater or. A linear programming lp technique has been used to solve the discrete problem for the optimal pipe design, keeping the looped configuration intact. Duration of the training 15 to 30 hours generality about this course this course is the first part of the design of water supply system.
These deaign notes primarily coyer simple gravity flow water systems. Generally, the gravitational networks are designed as branched systems and in order to maintain their looped configuration the missing links are joined by pipes of nominal diameters. Learn about an overview of drinking water distribution systems, the factors that degrade water quality in the distribution system, assessments of risk, future research about these risks, and how to reduce crossconnection control risk. Scribd is the worlds largest social reading and publishing site. More than 20 worldrenowned experts collaborated to explain valuable topics, from hydraulic design for pipelines and tanks to water quality issues, computer models, and. Pumps should be reliable from source to water treatment plant from water treatment plant clearwell to distribution system booster pumping stations. The major concern during i study the cooling tower theory was how to computerize the cooling tower theory from the calculation of ntu to the cooling tower performance analysis. The system should be capable of supplying water to all the intended places with sufficient pressure head. Urban water, water distribution systems, water cycle, life cycle, energy consumption, ghg emissions, headdriven approach, uncertainty analysis 1.
Environmental protection agency show that the main health risks associated with distribution systems stem. Analysis of water distribution system includes determining quantities of flow and head losses in the various pipe lines, and resulting residual pressures. Water supply system water supply system effluent disposal. Water supply system water supply system coagulation and flocculation. The system should be capable of meeting the demands at all times and at satisfactory pressure. Introduction to water supply systems ced engineering. Other water supply sources are examined under topic 3 in this chapter. Values assigned to specific types of fixtures are crucial in the sizing of a plumbing system. Hardy cross equivalent pipe methods service reservoirs. Learn for free, pay a small fee for exam and get a certificate. Jun 10, 2017 we have shared the water supply engineering lecturer notes in topic wise pdf.
A drainage basin see water purification sources of drinking water. Desalination produces fresh water but also a significant volume of waste effluent, called brine. A detailed plan will be provided showing the location of the effluent irrigation system in relation to the potable water distribution system and buildings. We have shared the water supply engineering lecturer notes in topic wise pdf.
The effluent irrigation system must be physically separated from any distribution systems carrying potable water. Aug 14, 2015 mar 26, 2020 water distribution systems ppt, water resources system modeling notes edurev is made by best teachers of. The pumping is required in water supply systems to transport water from source to the treatment plant. Storm water generally, most of the countries recently preferring separate systems. Distribution system is used to describe collective. Water storage tanks and water supply network nptel. Environmental engineering notes pdf ee notes pdf unit v. Much of the existing village water distribution system, including the 150,000gallon water storage tank, was constructed in the mid. This rural water supply design manual is the first of three related volumes prepared for the use of prospective and actual owners, operators, managements, technical staff, consultants, government planners and contractors of small level three and level. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Practical design of water distribution systems jeffrey a. Water resources engineering nptel online videos, courses iit video lectures.
1430 296 1489 498 1624 1478 30 1286 135 51 120 330 813 1362 1397 1004 1343 331 69 977 1292 1511 1096 527 1381 817 966 1495 1397 225 1543 245 547 79 1391 369 542 614 175 763 1268 17 516 270 470 664 1097