| Alteration | 6 | Laying of pipes | 17 |
| Application for supply | 12 | Maintenance of service | 18 |
| Cisterns flushing | 24 | Other supplies -connections to | 3 |
| materials to be used. | 9 | Pipes -materials to be used | 8 |
| cold-water storage tanks | 21 | across street | 5 |
| connection of sundry apparatus | Plug valves. | 19 | |
| Connections to mains | pressure of water-supply | 13 | |
| Connections to other supplies | Rainwater -mixing of with local authority supply. | 4 | |
| Cylinders hot water | 23 & 25 | Replacement of existing service | 7 |
| materials to be used. | 9 | Stop-cock. | 15 |
| push-through type. | 25 | position of | 15 |
| Existing service, replacement of | 7 | provision of | 15 & 16 |
| Failure of supply | 14 | Storage tanks | 20 |
| Flushing cisterns | 24 | cold water | 21 |
| Flushing valves | 10 | in ground | 22 |
| Gate valves | 19 | materials to be used. | 9 |
| Hot-water cylinders | 23 & 25 | Sundry apparatus, connection of | 25 |
| Installation of services | 6 | Supplies for groups of premises | 16 |
| Interpretation of terms | 1 | taps leakage. | 18 |
| Joints -materials to be used. | 11 | materials to be used. | 10 |
| self-closing | 16 |
Water -Supply
Arrangement of Sections
Preliminary
Section
- Interpretation of terms
2. Connections to mains
3.Connectiions to other supplies
4.Mixing of rainwater with local authority
5. Pipes across streets.
6.Installation and alteration of service.
7.Replacement of existing service.
Part I
Materials to be used in Provision of service.
8. Pipes
9. Storage tanks, cisterns and cylinders
10.Taps and flushing valves
11.Joints
Part II
Installation of Service
12. Application for supply
13. Pressure
14. Failure of Supply
15. Provision and position of stopcock
16. Supplies for groups of premises
17.Laying of pipes
18.Maintenance of service
19. Plug-valves and gate-valves
20. Storage
21. Separate cold-water storage tanks
22. Storage tanks in ground
23.Hot-water cylinders
24. Flushing- cisterns.
25. Connection of sundry apparatus
1. INTEPRETATION OF TERMS.
In this Chapter –
“Communication-pipe” means any pipe leading from a main to the premises of any consumer as far as the street boundary of such premises situated nearest to such main or, in cases where a meter is installed inside the premises of any consumer, as far as the inlet of the meter;
“consumer” means the occupier of any premises which the local authority has agreed to supply with water, or the owner of such premises, or any other person who has entered into an agreement with the local authority for the supply of water or who is lawfully obtaining water from the local authority;
“main” means any pipe, adequate or other work under the exclusive control of the local authority and used by it for the purpose of conveying water to consumer, but shall not include any communication-pipe;
“plumbing system” means the system for the conveyance of the water supply within the boundary of any premises to the various sanitary fittings on such premises, and the conveyance of waste water, soil-water, or other waste liquid, to the private sewer or combined private sewer, as the case may be;
“plumbing work” mean work in connexion with the installation, alteration, repair or maintenance of a plumbing system;
“service” means all pipes, fittings and apparatus except any portion of the communication-pipe or the meter, used or intended to be used for or in connexion with the supply of water by the local authority, and situated on the premises occupied or owned by the consumer;
“service-pipe” means any pipe included in any service.
2. CONNECTIONS TO MAINS
(1) No person other than an authorized employee of the local authority shall make any connexion to any main or communication-pipe;
Provided that the connexion of the service to the end of the communication-pipe or, where a meter or meter assembly is installed by the local authority inside any premises, to the outlet from such meter may, with the consent of the local authority, be made by the consumer.
(2) No person other than a person who has entered into a contract with the local authority for the supply of water and has otherwise complied with the provisions of this Chapter shall take any water from or make or cause to be made any connexion with any main, communication-pipe, reservoir, hydrant, conduit, cistern, storage tank or other thing containing water belonging to the local authority.
3. Connexions To Other Supplies.
(1) No service-pipe, storage tank, cistern or apparatus for storing or conveying water supplied by the local authority shall be directly connected with any other system of water-supply except with the prior written consent of the local authority.
4. MIXING OF RAINWATER WITH LOCAL AUTHORITY’S SUPPLY
No person shall cause or permit rain-water to flow into any storage tank or cistern supplied with water by the local authority.
5. PIPES ACROSS STREETS
(1) No person shall, without the written permission of the local authority first had and obtained, and except under such conditions as the local authority may be prescribe, lay, fix, alter, construct, or cause to be laid, fixed, altered or constructed, any pipe, channel or other conduit on, in or under any street, public place or land vested in, or under the control of, the local authority for the purpose of conveying water, whether such water is derived originally from the local authority’s source of supply or from any other source of supply.
(2) Any such permission may be withdrawn by the local authority on not less than one month’s notice, in writing.
6. INSTALLATION AND ALTERATION of Service.
(1) Where the local authority has made by-laws providing for the examination and licensing of plumbers, no person other than a plumber licensed under such by-laws shall undertake any plumbing work other than the replacement, rewashering and repacking of taps and ball-valves or the cleaning of the waste-pipe of a sanitary fitting.
(2) No person shall cause or permit any service-pipe to be covered in the course of the installation or alteration of a service until such pipe has been examined and approved by the local authority.
(3) When the installation or alternation of any service is ready for inspection, notice thereof shall be given to the local authority.
(4) No service shall be placed in use, and in the case of fire-extinguishing equipment, no supply of water shall be given, unless and until the service or equipment has been inspected and a certificate of approval issued by the local authority.
(5) Every addition to, or alteration of, a service connected to the local authority’s supply system shall be subjected to inspection by, and approval of, the local authority.
(6) Every service, and any addition to or alteration of a service, shall, in the event of no certificate of approval being issued, forthwith be altered to comply with the provisions of this Chapter or, failing such alteration, shall be immediately removed.
7. REPLACEMENT OF EXISTING SERVICE
A consumer shall not be required under these by-laws to Alter or renew any pipe, fitting, apparatus or other component forming part of the water-service and lawfully existing and in lawful use on ay premises immediately before the date of these by-laws becoming applicable to such premises, or to construct or provide any addition thereto, unless and until such pipe, fitting, apparatus or other component is so defective or in such a condition or position as to cause waste, undue consumption, misuse, erroneous measurement or pollution or risk of pollution of the water supplied by the local authority.
8. PIPES
(1) Service-pipes and circulating or supply-pipes for hot water shall be made of lead, galvanized steel or copper:
Provided that –
i) Piping of other materials may be used with the prior written permission of the local authority; and
ii) Service-pipes for cold water and not used in any position which, in the opinion of the local authority, is exposed, may be made of asbestos-cement or black polythene piping to the requirements of C.A.S. 177 or of U.P.V.C. piping to the requirements of C.A.S. No. K21.
(2) All steel water-pipes shall comply with the requirements of C.A.S. 102 or B.S. 1387 for medium or heavy-duty tubes, and the thickness of such pipes used in any particular service shall be not less than as specified in C.A.S. 102 or B.S. 1387 for the appropriate working pressure indicated by the local authority for the locality concerned.
(3) All steel water-pipes shall be galvanized or, where the diameter of the pipes is large enough to permit of other types of protection, shall be otherwise protected against corrosion, to the satisfaction of the local authority.
(4) Lead water-pipes shall comply with the relevant requirements of B.S. 602, Lead and lead alloy pipes for other than chemical purposes.
(5) Copper water-pipes shall comply with the requirements of S.A.B.S. 460, Copper and copper alloy tubing.
(6) The diameters of piping referred to in these by-laws relate to nominal internal diameters.
(7) No service-pipe shall be less than 12,5 millimetres in diameter.
(8) Pipework must be adequately sized to serve all outlets at all times.
9.STORAGE TANKS, CISTERNS AND CYLINDERS
(1) Steel cisterns and covers, storage tanks and cylinders used in any service shall comply with the requirements of B.S. 417, Galvanised mild steel cisterns and covers, tanks and cylinders.
(2) Copper cylinders used in any service shall comply with the requirements of B.S. 699, Copper cylinders for domestic purposes.
10. TAPS AND FLUSHING-VALVES
(1) No person shall install, or cause or permit to be installed, on any service, any tap or flushing valve unless such tap complies with the requirements of S.A.B.S. 226, Water taps or such flushing-valve has been tested and has been approved by the local authority.
(2) Where such flushing-valves are used on supply-pipes connected directly to sanitary fittings, they shall be provided with a device which effectively prevents back-flow into the supply-pipe.
11. JOINTS
No joints except standard screwed joints, wiped plumbing or other joints approved by the local authority shall be used on any service-pipe.
12. APPLICATION FOR SUPPLY
An application for the supply of water shall be made to the local authority on the form provided by the local authority for the purpose, and the applicant shall state for what purpose the water is required, and shall sign the form of application indicating acceptance of the conditions of supply as set out thereon.
13. PRESSURE
Where application is made for a supply of water for premises situated at a level above that which can be efficiently serviced by the normal pressure in a local authority main, or where a supply is required for such premises, the applicant or consumer shall accept the supply from the local authority at such pressure as is available at the site of such premises, and the applicant or consumer shall be responsible for the provision and maintenance of adequate water-supply to the services on such premises to the approval of the local authority.
14. FAILURE OF SUPPLY
The local authority shall not be liable for any loss or damage resulting from any failure to supply water or from any failure, disruption or interruption of its water-supply system from any cause whatsoever, or from any fluctuation or drop in pressure at any time at any point in such system, or for any defect in the quality of water supplied, and the consumer..
15. PROVISION AND POSITION OF STOPCORK
The consumer shall provide and install a stop-cock at a point determined by the local authority on the service-pipe inside the boundary of the consumer’s premises.
16. SUPPLIES FOR GROUPS OF PREMISES
(1) Where a group or block of dwellings is supplied from one connexon pipe, a stop-cock shall be fixed on each branch-pipe leading therefrom to each dwelling for the purpose of turning off the supply of water to such dwelling without interrupting the supply to the others.
(2) Where a tap is fixed to a stand-pipe from which water is intended to be supplied to more than one dwelling as aforesaid, such tap shall be of an approved self-closing type.
17.LAYING OF PIPES
(1) All service-pipes laid in the ground shall have a minimum clear cover of 400 millimeters.
(2) No person shall lay or install or make use of any pipe which is to be supplied with water by the local authority through, in or into any sewer, drain, ashpit, manure-hole or other place where, in the event of the of the pipe becoming unsound (and such unsoundness being liable to escape immediate detection), the water conveyed through such pipe might be polluted or might escape without being detected:
Provided that, where it is impracticable to lay or install any pipe otherwise than in the manner afore-said, the part of such pipe so laid or installed shall be carried through a cast-iron or other approved tube or box of sufficient length and strength, and of such construction, as will, in the opinion of the local authority, afford proper protection to the pipe lying within it, and in such manner as will render any leakage or waste from such manner as will render any leakage or waste from such pipe readily perceptible.
(3) All service-pipes except those laid in the ground shall be securely fixed at intervals, to the satisfaction of the local authority, to the wall or other rigid structure along which they pass.
(4) All stand-pipes or other pipes projecting above the ground and not otherwise secured shall be securely fixed to a stake securely driven into the ground, or by other means approved by the local authority, in such a manner as to prevent undue movement of such stand-pipes or other pipes.
18. MAINTENENCE OF SERVICE
(1) No consumer shall fail to repair, renew, remove or alter any pipe, valve, stop-cock, cistern or other apparatus which is connected to a water-supply from a public main, when called upon to do so by the local authority for the purpose of preventing waste, nuisance, undue consumption or contamination of the supply.
(2) No person shall cause or permit any pipe, fitting or tap to be installed in such position that any leakage cannot readily be detected.
19.PLUG-VALVE AND GATE-VALVES
Except in the case of cisterns for slop-hoppers, water-closets, or urinals, a plug-valve or gate-valve shall be placed on the outlet pipe of each cistern so as to obviate the necessity of emptying the cistern during any repairs to the service
20. STORAGE TANKS
(1) No person shall install, fit or use, or cause or permit to be installed, fitted or used, upon any premises, a storage tank for the reception or storage of water unless—
a) Such storage tank is constructed of cast iron, galvanized steel, vitreous enamelware, concrete, asbestos-cement, copper, glass reinforced plastic, or other approved material, which other material shall, where deemed necessary by the local authority have an approved lining;
b) Such storage tank is watertight and properly covered and ventilated;
c) The inlet thereof is provided with an approved ball-valve or check-valve;
d) Such storage tank is placed in an accessible position and means are provided to the approval of the local authority for it to be inspected and cleansed;
e) A gate-valve is provided upon the inlet-pipe, adjacent to such storage tank, and in such a position as to be easily accessible at all times;
f) Such storage tank is provided with an over-flow or waste-pipe the situation of which shall admit of the discharge of water being readily detected.
(2) Every steam-engine and boiler, and all premises which require a continuous supply of water, shall have a storage tank holding not less than half a day’s supply, calculated according to the average daily consumption.
21. SEPARATE COLD-WATER STORAGE TANKS
Subject to the provisions of subsection (2) of section 20, where a separate cold-water storage tank is installed—
a) If such storage tank is used to supply a hot-water apparatus and a bath, the cold-water supply to such bath shall not be connected to the storage tank at a point lower than one-half the depth of the storage tank;
b) Any separate cold-water storage tank, if fixed in a roof, shall be placed within a metal tray having sides at least 70 millimeters deep, and being of such dimensions that a space of at least 70 millimeters exist between the sides of the tray and the outside of the storage tank;
c) The tray shall be provided with a discharge-pipe of larger diameter than the storage tank-feed, and shall be so situated as to permit ready detection of the discharge of water.
22. STORAGE TANKS IN GROUND
No storage tank or other container buried or installed in any excavation in the ground on the consumer’s premises shall be used for the storage or reception of water supplied by the local authority and intended for human consumption without the permission of the local authority and subject to such conditions as it may prescribe.
23. HOT-WATER CYLINDERS
(1) Except in the case of combination cylinders, every hot-water cylinder shall be provided with an expansion pipe discharging direct to the atmosphere in a position where overflow will be readily detected or, alternatively, discharging above the surface-level of the water in the storage tank supplying such hot-water cylinder.
(2) The supply pipe from any separate storage tank to a hot-water apparatus shall be fitted with an easily accessible gate-valve.
(3) Every water-heater shall be so constructed that the heating-unit or units shall remain covered by water under all normal conditions of use and under a temporary failure of water-supply.
24. FLUSHING-CISTERNS
Every cistern for water-closet, urinal or slop-hopper shall comply with the relevant requirements of Chapter 9.
25. CONNECTION OF SUNDRY APPARATUS
(1) Except where flushing-valves are installed in accordance with the provisions of section 10, no person shall cause or permit any service-pipe to be connected, without the interposition of a storage tank fitted with a ball-valve, to any water-trough, water-closet, urinal, steam- or hot-water boiler, closed water-heater or container or apparatus in which any contaminant is mixed with water supplied by the local authority:
Provided that hot-water cylinders of the push-through type, incorporating approved non-return valves, shall be permitted with prior approval of the local authority.
(2) Every such water-trough, water-closet, urinal, steam- or hot-water boiler, closed water-heater, container or apparatus shall be fed separately and directly from such storage tank, which shall be installed solely for that purpose.
(3) No boiler, hydraulic machine or any apparatus liable to cause shock or vibration to any of the water-pipes shall take a direct supply from the water-main, but shall be supplied from an intermediate suitable storage tank with the supply controlled by a float-valve.