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Topic: Domestic water system

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	Domestic water system - Wikipedia, the free encyclopedia
		Domestic water systems have been around since the dawn of time, when the first thinking man located his home 'domicile' next to a running water supply, streams, rivers etc., for an available running water supply of fresh water and send waste water away from his domicile.
		Domestic hot water is provided by means of water heaters, appliances intended to provide a hot water supply by heating a volume of water supplied by the Cold water supply system.
		In hard water applications, shortly after installation, the interior of the pipes will be coated with the deposited minerals, which had been dissolved in the water and therefore the vast majority of exposed lead would be prevented from entering the potable water.
	en.wikipedia.org /wiki/Domestic_water_system (1674 words)

	Creating a Domestic Water System
		A domestic water system is a piped system for the purposes of conveying a portable water supply from the supplier to the end user.
		The systems are required to deliver clean, safe, potable water to each point of domestic water connection and also provide a means of connecting to unsafe sources of contamination for process water use, through the use of backflow preventers or other approved means.
		Domestic water systems are limited to the supply side of the plumbing system.
	www.finewaterimports.com /water.imports/articles/94/index.html (518 words)

	Lewiston Orchards Project
		The district's domestic water system is intertied to the city of Lewiston.
		System losses ranged from 12 to 85 percent from section to section with the result that pressures were inadequate for satisfactory delivery of domestic water to many homes.
		Water delivered through the single-pipe system was unsafe for domestic use, which caused a number of residents in the area to transport drinking water from the city of Lewiston.
	www.usbr.gov /dataweb/html/lewiston.html (1595 words)

	Domestic Water Systems
		Water continues to enter the tank until a predetermined pressure is reached, generally between 40 and 60 psi (pounds per square inch) at which time a pressure switch opens the electrical circuit to the pump motor and the pump stops.
		Water enters the pump through an intake screen between the motor and the pump assembly, passes through the impellers and diffusers, and is pumped to the surface.
		Water is lifted out of the well through a suction line (a separate pipe placed in the well casing or the casing itself) which is connected to the pump and extends to below the water level in the well.
	www.fascination.com /pub/mike/DWS.htm (1191 words)

	CDS: Division 15-4 Part 2
		The industrial water system shall serve all points of water use that could cause contamination by their backflow into the domestic water system.
		Where an industrial water system is selected for a project, protect the domestic water system by installation of two approved reduced pressure backflow prevention devices in parallel at the point of connection.
		Where hot water outlets are required in an industrialized system, provide either a separate water heater in the industrial system or a separate backflow preventer in all branch connections which may be taken from the domestic hot water system.
	www.cp.berkeley.edu /CDS_ucb/Div-15-4_Part-2.html (1385 words)

	STEAM, HOT AND DOMESTIC WATER CIRCULATION SYSTEM (Site not responding. Last check: 2007-10-23)
		The heating water is circulated by heating water pumps to heating coils in the cabinet unit heaters, fintube radiators and reheat coils in the zone variable air volume boxes.
		The heating water pumps circulate water through heat exchanger HX-1 and then to heating coils in the cabinet unit heaters, fintube radiators and reheat coils in the zone variable air volume boxes.
		For an OAT of 10°F (-12.22°C) or lower, the supply water temperature setpoint is 180°F (82.22°C); for an OAT of 60°F (15.55°C) or higher, the supply water temperature setpoint is 100°F (37.77°C).
	blt.colorado.edu /html/bld_comps/heatex.html (515 words)

	[No title]
		Connections between the Laboratory domestic water supply system and other systems or equipment containing water or other substances of unknown or questionable quality are prohibited, except when and where an approved cross-connection control devices or methods are installed, tested, and maintained to insure proper operation on a continuing basis.
		An approved backflow prevention device shall be installed on a water service line to a buildings domestic water supply system when, in the judgment of the FES Section or their authorized representative, actual or potential hazards to the Laboratory water supply may exist.
		An approved backflow prevention device shall be installed on the water service line to any equipment or process, when in the judgment of the FES Section or their representative, actual or potential hazards to the Laboratory domestic water supply system may exist.
	www-esh.fnal.gov /FESHM/8000/8051.html (2771 words)

	Domestic hot water systems
		The water to your radiators is the central heating system.
		It is worth remembering that the hot water from an immersion heater is always drawn from the top of the cylinder, where is has risen over the cold water underneath (convection current).
		When hot water is drawn from the tank, it is replaced by cold from the cold tank, which in turn is fed to the boiler.
	www.muswell-hill.com /foxandco/pages/dhw.htm (1464 words)

	Solar Boiler - Solar Domestic Water Heating System
		Domestic hot water is the second-highest energy cost in the typical household.
		Cold water enters the Solar Boiler for initial heating, and is then delivered to the backup or conventional heating system for final heating as required.
		A typical system for a family of four would include two solar panels (6 square meters), 270 litres of solar water storage (not included with the system), and a photovoltaic module to drive the glycol pump.
	www.thermo-dynamics.com /solar_boiler.html (735 words)

	Legionnaires' Disease eTool: Source and Control - Domestic Cold-Water Systems
		Emergency water systems such as fire sprinkling systems, safety showers, and eye wash stations are other domestic cold-water sources from which LDB have been cultured.
		Filtration of water at the point of use with replaceable, in-line, Food and Drug Administration (FDA) approved, 0.22-micrometer pore size filters is recommended for minimizing risk to patients and staff in dental facilities.
		Sample the water system monthly until the source of contamination is identified and adequately treated.
	www.osha.gov /dts/osta/otm/legionnaires/coldwater.html (905 words)

	Title 13 WATER
		Pursuant to RCW 35.67.331, the water system of the city and the sewerage system of the city are combined into a waterworks utility of the city, and such combined systems shall be maintained and operated jointly.
		Because of potential impacts to surface water systems, a permit application for any land clearing in excess of one-eighth acre shall be submitted to the department of public works for processing as required by LMC 2.44.040.
		The storm and surface water runoff discharging from a project of property which directly or indirectly enters the drainage system of the city shall be released at the 10-year design storm peak discharge rate for predeveloped conditions, or as otherwise directed by the director.
	www.mrsc.org /mc/lynnwood/lynnwd13.html (9258 words)

	Talk:Domestic water system - Wikipedia, the free encyclopedia
		I have removed the merge proposal on this page, as the proposed merge page, plumbing drainage venting is more generally applicable than to just the domestic water system.
		I have been a water professional in the United States for over 30 years and have never heard the acronym DWS or the phrase Domestic Water System.
		The word for used water (aka sewage) is "wastewater", not "waste water".
	en.wikipedia.org /wiki/Talk:Domestic_water_system (607 words)

	Water Use: Domestic water use
		Domestic water use is water used for indoor and outdoor household purposes— all the things you do at home: drinking, preparing food, bathing, washing clothes and dishes, brushing your teeth, watering the yard and garden, and even washing the dog.
		Either it is delivered by a city/county water department (or maybe from a private company), or people supply their own water, normally from a well.
		Water delivered to homes is called "public supplied" and water that people supply themselves is called "self supplied." People who supply their own water almost always use ground.
	ga.water.usgs.gov /edu/wudo.html (555 words)

	Domestic Hot Water System Design of Energy Efficient Systems - House Systems Plumbing Septics Wells
		Specific performance issues, such as hot water delivery temperatures at the outlet, are used as a basis for understanding the adequacy of the system as well as comparing delivered outlet energy relative to the electric energy required to supply the outlet energy.
		Using one-minute hot water flow data, variable interior air temperatures, and monthly variable cold water inlet temperatures, the performance of a hypothetical domestic hot water system is simulated.
		Private water wells are not covered by the EPA so water well testing should be done to ensure the water is safe to drink.
	www.nemmar.com /real-estate-Domestic-Hot-Efficient-Systems.html (769 words)

	Grand Island Utilities Water Dept.
		The water division repairs water main leaks and breaks, maintains fire hydrants, installs "taps" (hook ups to existing water mains), thaws frozen water pipes in the winter, and installs and provide water meters that are connected to the distribution system.
		Water stored in the reservoirs is pressurized by a pumping station located near each reservoir.
		Water in the distribution system flows through a 235 mile system of supply lines, controlled by 2,128 valves.
	www.giud.com /Departments/WaterOV.htm (663 words)

	Corrosion engineering - Copper tubing corrosion in domestic hot water system
		Domestic hot water system is a recirculating system on a city water source that is typically somewhat hard, but not usually corrosive.
		Granted these systems are not in service all of the time, but the fintube sections have wall thicknesses very close to DWV copper, which is to say, pretty thin.
		We have designed many domestic hot water systems over the years, as well as closed loop heating systems and have not experienced this type of failure.
	www.eng-tips.com /viewthread.cfm?qid=16852 (1448 words)

	A Study of Your Domestic Water Supply
		Water is essential for life to exist as we know it.
		After you use it, the water that leaves the drains in your house must be treated again before it reenters the environment.
		After the diagrams are complete, write a paragraph describing what happens to a drop of water from the time it hits the ground as rain, through a domestic water system, and evaporates and becomes a drop of rain a second time.
	www.accessexcellence.org /AE/AEPC/WWC/1991/sewage.html (483 words)

	33598. Corrosion of copper pipes and high Cu values in domestic water system [Washington]
		And, the outlet between the water conditioning tank and the main copper water pipes is PVC.
		The water has become harder, but the pH doesn’t seem to be raised to normal (i.e., 6.9 to 7.1) as advertised.
		Domestic well waters usually are treated with calcite mineral installed in a water softener tank.
	www.finishing.com /335/98.shtml (715 words)

	Images of Solar Hot Water Heating System
		Domestic hot water circulator pump moves water from the bottom of the tank through the heat exchangers and back again.
		There is also a domestic hot water coil called a desuperheater that removes the heat from the compressor motor.
		Domestic hot-water tempering valve prevents occupants from getting burned by water that can reach in excess of 180 degrees F. on a hot day from either the solar panels or the heatpump.
	www.freepoolheat.com /joel (416 words)

	Water Heaters
		The water flows through a heat exchanger in the boiler whenever a hot water faucet is turned on.
		Solar water heaters include a collector and a storage tank and are typically classified as passive or active systems.
		The systems available are electric resistance water heaters with an EF in the range of 0.7 to 0.95, gas water heaters with an EF of 0.5 to 0.6, oil water heaters ranging from a 0.7 to 0.85 EF, and heat pump water heaters with the highest efficiency and an EF of 1.5 to 2.0.
	rehabadvisor.pathnet.org /sp.asp?id=9712 (657 words)

	Domestic Hot Water Treatment Technology Chart - PCH2O
		Systemic Biocide Properties (does it treat all of the water system including distal low flow areas and dead legs?)
		Between $500,000 and $2,000,000 with sever corrosion damage to the water distribution system.
		Between $500,000 and $2,000,000 with accelerated corrosion damage to the water distribution system.
	www.waterionisation.com /chart04.html (467 words)

	Design of Domestic Water Supply Systems
		The purpose with a domestic water supply system is to provide the consumers with enough hot and cold water.
		The tank fills up when the consumption of hot and cold water is lower than the capacity of the supply lines - and the tank is emptied when the consumption is higher than the supply lines capacity.
		A drawback with the system with the open gravity tank on the top floor is the potential danger of freezing during winter conditions.
	www.engineeringtoolbox.com /water-supply-systems-d_477.html (493 words)

	DOMESTIC WATER SYSTEM PUMPS, AND COMPONENTS
		The SHURflo Extreme Series Domestic Water pump, the Smart Sensor 5.7 is a micro-controller based variable speed pump silently delivering over 5 gallons per minute and pressure up to 65 PSI.
		SHURflo's Smart Sensor precisely monitors your system's water pressure and adjusts the motor's speed, thus eliminating the need for a pressure switch.3 year warrantee.
		Protect your boat water system appliances and pump from damaging pressures of unregulated marina water hookups.
	www.marineengineparts.com /shopsite_sc/store/html/page97.html (1380 words)

	Radiant Floor Company - System Types
		This system uses an efficient heat exchanger to separate the potable domestic water supply from the floor's anti-freeze mixture.
		Most often heat exchangers are used for freeze protection, but another application would be a radiant system with one heat source that, for one reason or another, must be separated from the domestic water supply.
		In this scenario, you can drain the domestic water system if you leave for weeks in the winter and the antifreeze protects the heating system.
	www.radiantcompany.com /system/heatex.shtml (652 words)

	Domestic Water Well Requirements
		No person shall operate a domestic water supply within the unicorporated area of Marin County without first applying for and being issued a permit pursuant to
		A domestic water supply means a private source of water supplying water for human consumption to less than five lots.
		For common water systems serving more than one lot and less than five lots an agreement describing legal rights and responsibilities with respect to drawing water and maintenance, care, construction and operation of the system.
	www.co.marin.ca.us /ehs/html/domestic_water_well_requiremen.html (267 words)

	Drinking Water Protection Act -- Drinking Water Protection Regulation
		(b) each recipient of the water from the system has a point of entry or point of use treatment system that makes the water potable.
		"surface water" means water from a source which is open to the atmosphere and includes streams, lakes, rivers, creeks and springs.
		(b) ground water that, in the opinion of a drinking water officer, is at risk of containing pathogens.
	www.qp.gov.bc.ca /statreg/reg/D/200_2003.htm (1658 words)

	Welcome to Uponor... (Site not responding. Last check: 2007-10-23)
		In some countries Uponor Wirsbo handles the sales of the Ecoflex, district heating- and domestic water system, manufactured by Ecoflex of the Uponor Group.
		Ecoflex is an insulated Wirsbo-PEX pipe, used for hot and cold water in district heating- and supply systems.
		This is one of the crucial factors in the unique flexibility of the piping system.
	www.wirsbosystems.com /html_ecoflex/main_culvert.html (144 words)

	Our solar domestic hot water system (Site not responding. Last check: 2007-10-23)
		The small photovoltaic panel between the DHW panels is a 12V, 20W unit coupled directly to the same small pump that moves water through the wood stove circuit in winter.
		The solar DHW system is nice because the pump is active only while the sun is on the PV panel so the system looks after its own pump control.
		This whole DHW system cost just over $1000, which is a bargain compared to all other aspects of our system.
	www.gulland.ca /homenergy/solardhw.htm (283 words)

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