Water Heaters and Hot Water Distribution Systems: Appendices PDF Download
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Author:
Publisher:
ISBN:
Category : Water heaters
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Water heaters
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Energy conservation
Languages : en
Pages : 98
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Book Description
Author:
Publisher:
ISBN:
Category : Energy conservation
Languages : en
Pages : 0
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Book Description
Author: International Code Council
Publisher:
ISBN: 9781609834814
Category : Building laws
Languages : en
Pages : 0
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Book Description
With an emphasis on design and installation for optimum performance, the 2015 INTERNATIONAL PLUMBING CODE SOFT COVER sets forth established requirements for plumbing systems. This important reference guide includes provisions for fixtures, piping, fittings, and devices, as well as design and installation methods for water supply, sanitary drainage, and storm drainage. The 2015 edition of the code includes information on public toilet facilities, as well as water temperature limiting devices, and replacement water heater installation. Using both prescriptive- and performance-related specifications, this code provides comprehensive minimum regulations for a variety of plumbing facilities, facilitating the design and acceptance of new and innovative products, materials, and systems.
Author: International Association of Plumbing and Mechanical Officials
Publisher:
ISBN: 9781944366490
Category :
Languages : en
Pages :
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Book Description
Author: William Hutton
Publisher:
ISBN:
Category : Hot-water supply
Languages : en
Pages : 224
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309133955
Category : Science
Languages : en
Pages : 404
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Book Description
Protecting and maintaining water distributions systems is crucial to ensuring high quality drinking water. Distribution systems-consisting of pipes, pumps, valves, storage tanks, reservoirs, meters, fittings, and other hydraulic appurtenances-carry drinking water from a centralized treatment plant or well supplies to consumers' taps. Spanning almost 1 million miles in the United States, distribution systems represent the vast majority of physical infrastructure for water supplies, and thus constitute the primary management challenge from both an operational and public health standpoint. Recent data on waterborne disease outbreaks suggest that distribution systems remain a source of contamination that has yet to be fully addressed. This report evaluates approaches for risk characterization and recent data, and it identifies a variety of strategies that could be considered to reduce the risks posed by water-quality deteriorating events in distribution systems. Particular attention is given to backflow events via cross connections, the potential for contamination of the distribution system during construction and repair activities, maintenance of storage facilities, and the role of premise plumbing in public health risk. The report also identifies advances in detection, monitoring and modeling, analytical methods, and research and development opportunities that will enable the water supply industry to further reduce risks associated with drinking water distribution systems.
Author: Jim Lutz
Publisher:
ISBN:
Category : Hot-water heating
Languages : en
Pages : 40
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Book Description
Author: Yanda Zhang
Publisher:
ISBN:
Category : Apartment houses
Languages : en
Pages : 136
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Book Description
Author: A. Bhatia
Publisher: CreateSpace
ISBN: 9781502853134
Category : Technology & Engineering
Languages : en
Pages : 102
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Book Description
Heating water is typically the second largest use of energy in residential and commercial buildings (after space heating and cooling). Despite its resource intensity, the hot water delivery system is seldom an area of significant focus when constructing a building. As a result, many buildings today are built with poor performing, inefficient hot water delivery systems that take minutes to deliver hot water to the point of use and waste large amounts of energy and water in the process. How quickly and efficiently a hot water system can deliver to the point of use require focus on three areas:• Generation: Heaters shall be sized for meeting both the daily requirements and for the hourly peak loads of the occupants of the building. Hot water can temporarily run out if the design is inadequate and will have higher energy costs if the system is oversized. • Distribution: Once heated, the hot water must be delivered to the intended point of use. The factors influencing the distribution efficiency include length of piping between the water heater and a given fixture, continuous recirculation controls, and materials and insulation effectiveness. • Use: Hot water is used by a variety of fixtures and appliances (faucets, showerheads, clothes washers, and dishwashers). Using efficient products such labeled faucets and showerheads that function at lower flow rates will increase the efficiency of the system.This quick book provides a brief overview of and potential design considerations for hot water plumbing systems for residential and commercial buildings.Learning ObjectiveBy completing this module, the reader will be able to:• Estimate the hot water demands based on theory of probability, fixture types and number of occupants;• Understand the hot water generation techniques, type of fuels and heaters;• Explain three primary factors influencing the heater selection: 1) capacity and frequency of use, 2) heater performance and 3) operating costs;• Determine the appropriate sizing of storage water heaters and compare the use of terms - first heat recovery, storage capacity and recovery rate;• Explain the components of centralized hot water system, direct and indirect heating systems;• Explain the basics of hot water distribution in domestic and commercial installations and its relation to water and energy efficiency;• Understand the application of various types of water supply configurations - an upfeed system, a downfeed system, or some combination thereof;• Understand the difference between the direct and reverse return piping configurations;• Compare and contrast the different control options for designing a continuous recirculation hot distribution system and the impact of such choices on water and energy sustainability;• Size the hot water circulator and the piping diameters on velocity and pressure drop criteria;• Understand the different techniques and options for hot water mixing control;• Learn the facts, formulas and good engineering practices pertaining to energy efficiency and safety.
