Each tenant can be billed for his individual water usage. In the first place, it must be remembered that all fixtures are not in use at any one time. This section is from the book "Modern Plumbing Illustrated", by R. M. Starbuck. As indicated above, the invention can be practiced in various arrangements. There are no ongoing software or support fees required. PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362. A method often followed in the use of the large hot-water tank or boiler, is to provide it with steam coils connected to the heating system, by means of which it may be heated in the winter time, a small heater providing heat for it during the summer time. By linking the meter electronic readouts to a computer, it is possible to let the computer make the desired computations and tabulations. For example, the meter can be a drum type meter that includes a rotatable chamber of known volumetric capacity that alternately fills and empties to produce shaft rotation that can drive a counting mechanism. a continually dripping faucet or toilet that does not shut off. Kamstrup Encoded Output Meters - If you already have a meter reading system, we can supply the superior Kamstrup ultrasonic water meters with encoded wired output. In a great many systems this question could not be figured out in this way. The exterior wall panel 58 has an opening 59 that enables a person to scan the water readout 44. The meter system can also be used to locate leakage points in the water supply system, e.g. FIG. Each water meter has a vertically oriented inlet pipe 52 and a vertically oriented outlet pipe 54. A gear system is driven by the impeller shaft to produce a visual readout. The present invention is concerned with a multi-apartment water supply system designed to eliminate or minimize the above-described problems, i.e. 1 represents a preferred embodiment of the invention. The range boiler, to be in keeping with the other plumbing fixtures of such work as shown in Plate 34, should be of copper. Each hot water supply conduit 24 contains, or includes, an ancillary water meter 30 that measures water flow through the respective conduit. If that pointer or wheel moves continuously (or intermittently on a continuing basis) that is an indication of a leakage condition. FIG. In supplying hot and cold water to apartment buildings and other similar work, each group of fixtures should be supplied by a separate line. Thus, if there were 20 apartments, a main having a supplying capacity equal to 40 1/2-in. For instance, in large toilet rooms of hotels, railroad stations, etc., the demand at times is large and at other times small. Each apartment unit has its own hot water supply conduit 24, that connects to the common hot water header 22. 1 are merely representative of any number of dwelling units that might be located in the building. One problem for the building owner is that it is difficult to know, or determine, the hot water consumption for each individual apartment. In FIG. In the first case, the DHW system … As shown in FIG. In one scenario, the daily or monthly water consumption records for any particular apartment can be compared, to identify situations where the water consumption abruptly increases from a normal steady state value. The use of the valve waste allows the contents of the pipe to drain off into the fixture without discharging onto the cellar bottom. Also available from Amazon: Modern Plumbing Illustrated. FIG. The Kamstrup READy cloud based reading system for Android smart phones and tablets, or the inexpensive and easy to use USB Reader. The readout can also be electronic in nature, which facilitates computer tabulation of individual tenant water consumption. 14.3 Hot water and other dual supply systems Dual drinking-water supply systems are those in which two different grades of water are available in separate piping systems. in particular apartment units). Kamstrup USB Reader - The USB reader is a small USB stick device. Compression work is not only better many times than Fuller and self-closing work, but it is less expensive. A route is loaded into the Android app, and meter locations are overlaid on a Google map. will be required to supply this system. A hinged door (not shown) would normally close opening 59. An example is the provision of a tap at a sink supplying water directly from the incoming water … On a great deal of high-grade work, faucets for the various fixtures are specified to be of the Fuller pattern, and on public work often of some self-closing pattern. As you drive, the small RF reader reads the meters, transfers the reads via Bluetooth to the smart phone. Similarly, each cold water supply conduit 28 contains an ancillary water meter 32 that measures water flow through the respective conduit. The meter is used by the water utility company as a basis for billing the building owner for the total water usage by all the building tenants and cannot be used as a basis for determining individual tenant usage of cold or hot water. pipes different larger sizes of pipes will supply: Referring to this table, it will be seen that a size between 2 in. Regulation Of Plumbing Construction In Tenement Houses, Lodging Houses, Etc. The following types of properties will benefit from submetering. It is highly accurate, long life, has data logging capability, is highly tamper resistant, Easy to install in any orientation, light weight, compact, and has no lead content. said in-line water meters for each dwelling unit, grouped as a pair consisting of one for hot water and one for cold water, are combined together as a unitary assembly. The main meter at the building water intake provides information only on the cold water flow into the building. The main and branches, if properly sized, will allow water to be drawn at any fixture or any reasonable number of fixtures, without affecting the free flow of water at other fixtures. In a multi-apartment building it can be difficult for the building owner to detect water leakage in any particular apartment unit. In the event of bursts or other emergencies, the keyboard shows at once the valves that control the piping that is to be shut off, and often saves damage to the property that would result if the proper valve could not be found quickly. The main supply lines and branch mains under such conditions must be made to supply maximum requirements. 34 and 35, the construction of circulation work is of very great advantage, as it is in almost any system of plumbing. This practice does away with the use of a boiler for each apartment.

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