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OYQR

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Originally appearing in Volume V24, Page 740 of the 1911 Encyclopedia Britannica.
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OYQR , flow 1 b See also:

dial tg~ ora c illezy with n t twad (shall) The See also:London by-See also:laws regulating drainage are very full and are strictly enforced. They include requirements regarding the See also:size, Drainage See also:form, gradient and methods of construction and repair of by-laws. drains, together with regulations affecting the See also:design and fixing of traps, fittings and other apparatus connected with sanitary arrangements. Some of the headings of the different clauses of the by-laws are subjoined:—See also:water-closets; See also:earth-closets; drainage of subsoil; drainage of See also:surface water; See also:rain-water pipes; materials, &c., for drains; size of drains; drain to be laid on See also:bed of See also:concrete 6 in. thick; if under buildings to be encased with 6 in. of zoncrete; drain to be benched up with concrete to See also:half its See also:diameter; fall of drain; See also:joints of drain; drain to be water-tight; thickness and See also:weight of See also:iron pipes; thickness of sockets and joints of stoneware pipes; drains under buildings; See also:composition of concrete; every inlet to drain to be trapped; drain beneath See also:wall to be protected by See also:arch, flagstone, or iron See also:lintel; drain connected with See also:sewer to be trapped and means of See also:access to See also:trap provided; no right-angled junctions to be formed either See also:vertical or See also:horizontal; at least two untrapped openings to be provided for See also:ventilation, each fitted with a grating or See also:cowl with apertures for passage of See also:air equal in See also:area to that of the See also:pipe to which it is fitted; ventilating shafts to be at least 4 in. in diameter, and if possible all bends and angles to be avoided; ventilating shafts to be of the same material, construction and weight as See also:soil-pipes; no unnecessary inlets to drains to be made within buildings; See also:waste-pipes from sinks and lavatories to be of See also:lead, iron or stoneware, trapped immediately beneath the fitting; See also:bell traps, See also:dip traps and D traps are prohibited; waste-pipes to See also:discharge in the open air into a properly trapped gulley; soil-pipes wherever practicable to be situate outside the See also:building and to be of See also:drawn lead or heavy See also:cast-iron; if fixed internally the pipes to be of lead with wiped joints; iron pipes to have socket joints not less than 22 in. in See also:depth and to be made with molten lead or flanged joints securely bolted with some suitable insertion; the soil-pipe not to be connected with any rain-water or waste-pipe, and no trap to be placed between the soil-pipe and the drain; the soil-pipe to be circular with an See also:internal diameter of not less than 32 in., and to be taken up above the building and its end See also:left open as an outlet for foul air; methods of connecting a lead pipe with an iron one; connexion of stoneware and lead, connexion of iron and stoneware; ventilation of trap of water-closet with an See also:anti-siphonage pipe of not less than 2 in. diameter and ventilated into the open air or into the soil-pipe at a point above the highest fitting on the soil-pipe; construction of slop sinks and urinals. The by-laws respecting See also:health and building in New See also:York See also:City are embodied in a large number of clauses. The more detailed health regulations are found in the Sanitary See also:Code 1903. These are by-laws framed by the See also:Board of Health under the authority of See also:section 1172 of the New York See also:Charter 1897. These must be taken in See also:conjunction with the See also:statute bearing on See also:plumbing in New York City which wasmade by the See also:Department of Buildings, 1896, and to which there have been several small amendments. Section 141 of the Building Code also deals with sanitation and in the See also:Tenement See also:House See also:Act 1901, 1902, 1903, See also:chap. 4, secs. 91 to 100 inclusive, deals with sanitary matters. From a See also:general point of view the requirements of the See also:American by-laws as to materials and methods of construction vary in a very slight degree from those in force under the London authorities. It is in the regulations affecting the See also:execution of the See also:work that we find a See also:great difference, and these in New York are of a more stringent See also:character than in any other See also:capital.

Thus no sanitary, plumbing or See also:

lighting work may be undertaken without first submitting for approval to the Department of Buildings See also:complete and suitable drawings and particulars of the materials to be used. Such a See also:notice is necessary even in the See also:case of See also:repairs and alterations to existing work. As a further See also:guarantee of the work being satisfactory it is ordained that no such work shall be executed except under the superintendence of a registered plumber. Every See also:master plumber in the city of New York or others working therein as such must obtain a certificate of competency from the Examination Board and be registered afresh every See also:year during the See also:month of See also:March, as without such certificate or See also:licence no work can be under-taken; any See also:person violating such requirements shall upon conviction be fined for each offence 8250 or undergo three months' imprisonment or both, while in the case of any certificated plumber or his employes wilfully breaking, with his knowledge, any of the rules and regulations See also:relating to drainage and plumbing, the certificate of the master is to be forfeited in addition to the aforementioned See also:fine. II. See also:CONVEYANCE OF SEWAGE.--For Small sewers, Circular pipes of glazed stoneware or of moulded See also:cement are used, from 6 in. to 18 in. and even 20 in. in diameter. The pipes are made in See also:short lengths, and are usually jointed Pipe sewers. by passing the end or spigot of one into the socket or faucet of the next. Into the space between the spigot and faucet a See also:ring of gasket or tarred See also:hemp should be forced, and the See also:rest of the space filled up with cement. Other methods of jointing have already been described and illustrated. The pipes are laid with the spigot ends pointing in the direction of the flow, with a See also:uniform gradient, and, where practicable, in straight lines. In See also:special positions, as under the bed of a stream, cast-iron pipes are used for the conveyance of sewage.

Where the capacity of an r8-in. circular pipe would be insufficient, built sewers are used in See also:

place of stoneware pipes. These are sometimes circular or See also:oval, but more commonly of an See also:egg-shaped section, the invert or See also:lower See also:side of the sewer being a See also:curve of shorter See also:radius than the arch or upper side. The See also:advantage of this form lies in the fact that great See also:variations in the See also:volume of flow must be expected, and the egg-section presents for the small or dry-See also:weather flow a narrower channel than would be presented by a circular sewer of the same See also:total capacity. See also:Figs.

End of Article: OYQR

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