WATERWORKS REGULATIONS

WATERWORKS REGULATIONS

WATERWORKS REGULATIONS

ARRANGEMENT OF REGULATIONS

Regulation Page

PART 1

PRELIMINARY

1. Citation ............................A4

2. Interpretation ......................................................... A4

PART 11

FIRE SERVICES AND INSIDE
SERVICES

3.....................Permission to construct, etc., a fire service
......................A 5

4............Fees for fire service ............ ...................... ................
........................................A 6

5......................................Permission to construct, etc., an inside service A 6

6...............................Inspection and approval of works ...................... A 6

7......................................Responsibility to keep inside service clean A 7

8.....................Repairs etc., by Water Authority ............. ................ A 7

9.......................................Use of inside service A 7

10.....................Draw-off points in gardens, etc . ................................. A 7

11......................................Hosepipe not to be connected to an inside service. A 8
12......................................Use of fresh water for flushing A 8
13......................................Use of water for air-conditioning plants, etc.--- A 9

14..........(Rep-led) .................. A 9

is................Use of salt water for flushing ................ ............. ......................
..................A 9

16................(Repealed) ........................... ...................
........................................A 9

17......................................Disconnection or reconnection of supply at consumer's request A 9

18.................................Method of disconnection .......... A 9

PART 111

PIPES AND FITTINGS

19...........Pipes and fittings ................................................................
.................................A10

20......................................Pipes and fittings to be of British Standard A 10

21,..........................Testing and stamping of pipes and fittings ................................. A 10

22......................................Protection of pipes All











Regulation................................. Page
23. Booster pumps .......................All
24. Other water using apparatus .........All
25. Power to relax regulations ..........All

PARTIV

METERS

26. Installation of meters ..............A 12
27. Site of meters ......................A 12
28. Damage to meters ....................A 12
29. Reading of meters ...................A 13
30. Testing of meters ...................A 13
31. Consumption where supply is not measured by meter A 13
32. Private cheek meter .................A 14

PART V

LICENSING OF PLUMBERS

32A......................................Authority for grant of plumber's licence A 14
33. Application for plumber's licence ...A 14
34. Issue of plumber's licence ..........A 15
35. Grades of plumbers' licences ........A 16
36. Plumber's licence ...................A 16
37. Power to cancel plumber's licence ...A 16
38. Persons carrying on plumbing business A 17

PART VI

PUBLIC STANDPIPES

39. Use of public standpipes ............A 17





Regulation................................. Page

PART VII
FISHING

40. Interpretation ......................A 17
41. Fishing under licence ...............A18
42. Issue of fishing licence ............A18
43. Powers of inspection and arrest .....A 18
44. Offences ............................A 19
45. Revocation or suspension of fishing licence A 19

PART VIII

MISCELLANEOUS

46. Charges for water ...................A 19
46A. (Expired) ...........................A 19
46B. Examination of water sample .........A 19
47. Prohibition of sale of water ........A 20
48. Validity of notices .................A 20
49. Service of notice, etc . ............A 20
50. Time limit for payment of charges and levy of surcharge A 20
51. Penalty .............................A 21
52. Saying ..............................A 21
53. Transitional ........................A 21
Schedule 1.................................Part I. Fees and Charges A 22
Part 11. Supervision Charge .........A 23
Part III. Charge for Fresh Water ....A 23
Part IV. Charges for Examination of Water A 24
Schedule2..................................Part 1. Pipes and Fittings A25
Part 11. Taps and Valves ............A 26
Part III. Cold Water Storage Cisterns A 27
Part IV. Water Heaters ..............A 28
Part V. Flushing Apparatus ..........A 29
Part VI. Baths, Lavatory Basins and Sinks A 30





WATERWORKS REGULATIONS
(Cap. 102, section 37)

[1 January 19751

L.N. 251 of 1974 L.N. 85 of 1975, L.N. 16 of 1977, L.N. 252 of 1977, L.N. 85 of 1979, 58 of 1980,
L.N. 51 of 1982, L.N. 72 of 1983, L.N. 219 of 1983, L.N. 91 of 1984, L.N. 40 of 1985, L.N. 73
of 1986, L.N. 78 of 1987, L.N. 99 of 1988, L.N. 118 of 1988, R. Ed. 1988, L.N. 84 of 1989.

L14 2 96 0

PART 1

PRELIMINARY

1. Citation

These regulations may be cited as the Waterworks Regulations.

2. Interpretation

In this regulations, unless the context otherwise requires-

'BS' means the latest revised edition of a specification issued by the British
Standards Institution; (L.N. 252 of 1977)

'Building Authority' means the Building Authority under the Buildings Ordinance
(Cap. 123);

'construction purpose', in relation to a supply, means water supplied for use for
any purpose connected with the construction of a building or substantial
repairs or alterations to a building;

'Director' means the Director of Water Supplies;

'plumber's licence' means a plumber's licence issued under regulation 34;

',shipping purpose', in relation to supply, means water supplied

(a) (i) to or for use on any vessel other than a vessel to which paragraph
(b)(i) of this definition applies;

(ii)to any pier for use on any vessel to which subparagraph (i)
applies; or

(iii) to or for use on any vessel employed for the conveyance of
water to any vessel to which subparagraph (i) applies;

(b) (i) to or for use on any vessel to which Part IV of the Shipping and Port
Control Ordinance (Cap. 313) applies, including any launches,
ferry vessels, miscellaneous craft and pleasure vessels to which
the regulations specified in section 35(1) of

that Ordinance apply; or
(ii) to any pier for use on such pier;(L.N. 219 of 1983)





'trade purpose', in relation to a supply, means water supplied for use-

(a)for any purpose connected with a trade, manufacture or business,
other than a construction purpose or shipping purpose; or

(b)for any purpose other than a domestic purpose, construction
purpose or shipping purpose.

PART 11

FIRE SERVICES AND INSIDE
SERVICES

3. Permission to construct, etc., a fire service

(1) Where permission is required under the Ordinance to construct, install, alter
or remove a fire service, application for such permission shall be made to the Water
Authority in such form as may be specified and the application shall be
accompanied by such plans, specifications and other information as the Water
Authority may require.

(2) Before submitting an application under subregulation (1), the applicant

(a)shall obtain the approval in writing of the Director of Fire Services for
the construction, installation, alteration or removal of the fire service
and for this purpose shall submit such plans, specifications and other
information in respect of the works as the Director of Fire Services
may require; and

(b)if a new fire service requires a direct connection to the main, shall

(i) obtain from the Water Authority such information as is relevant
to the design of the fire service; and

(ii) submit to the Water Authority for approval, in such form as he
may require, plumbing proposals in respect of the fire service.

(3) If a new fire service includes the installation of a storage cistern the capacity
of which exceeds 250 litres the application under subregulation (1) shall bear an
endorsement by the Building Authority to the effect that the plan for the installation
of the cistern has been approved by him. (L.N. 252 of 1977)

(4) The Water Authority shall decide the size and position of a connection to
the main in respect of a fire service.

(5) The Water Authority shall, if he refuses to grant permission to carry out any
works specified in an application under subregulation (1), return the application to
the applicant and state the reasons for such refusal.





4. Fees for fire service

(1)-(2) (Repealed L.N. 78 of 1987)

(3) If a seal fixed on a fire service by the Water Authority is broken by any
person other than the Water Authority, or a person authorized by him, it shall be
replaced by the Water Authority and the consumer responsible for the custody of
the fire service shall be liable to pay the charge prescribed in Part 1 of Schedule 1.

5. Permission to construct, etc., an inside service

(1) Where permission is required under the Ordinance to construct, install, alter
or remove an inside service, application for such permission shall be made to the
Water Authority in such form as may be specified and the application shall be
accompanied by such plans, specifications and other information as the Water
Authority may require.

(2) If a new inside service is to be constructed or installed, the applicant shall,
before submitting an application under subregulation (1),

(a)obtain from the Water Authority such information as is relevant to
the design of the inside service; and

(b)submit to the Water Authority for approval, in such form as he may
require, plumbing proposals in respect of the inside service.

(3) If a new inside service includes the installation of a storage cistern the
capacity of which exceeds 250 litres the application under subregulation (1) shall
bear an endorsement by the Building Authority to the effect that the plan for the
installation of the cistern has been approved by him. (L.N. 252 of 1977)

(4) The Water Authority shall decide the size and position of a connection to
the main in respect of an inside service.

(5) The Water Authority shall, if he refuses to grant permission to carry out any
works specified in an application under subregulation (1), return the application to
the applicant and state the reasons for such refusal.

6. Inspection and approval of works

(1) A person who constructs or installs a fire service or inside service shall
apply to the Water Authority in such form as may be specified for

(a) inspection and approval of the fire service or inside service; and

(b)a connection to the main and, if necessary, the installation of the part
of the fire service or inside service on land held by the Crown.

(2) A person who makes any alterations to a fire service or inside service shall
apply to the Water Authority in such form as may be specified for inspection and
approval of the alterations.





(3) No pipe or fitting forming part of a fire service or inside service shall
be used or covered up until it has been inspected and approved by the Water
Authority.
(4) Approval of a fire service or inside service or any alterations thereto
may be withheld until any requirement of the Water Authority is complied
with.
(5) If a fire service or inside service is approved by the Water Authority he
shall, on payment of the charge prescribed in Part 1 of Schedule 1, make the
connection to the main and, if necessary, install the part of the fire service or
inside service on land held by the Crown.

7. Responsibility to keep inside service clean

(1) Subject to subregulation (2), a consumer shall be responsible for
keeping an inside service clean.
(2)The responsibility for keeping clean any part of an inside service
which is-
(a) a communal service shall be that of the agent; and
(b) on land held by the Crown shall be that of the Water Authority.

8. Repairs etc., by Water Authority

(1) Where the Water Authority carries out any repairs or other works
under section 17(3) or (4) of the Ordinance, the cost thereof shall include-
(a) the cost of materials used;
(b) the cost of labour;
(c) any other expenses incurred in connection therewith; and
(d) the supervision charge prescribed in Part 11 of Schedule 1.
(2) This regulation shall not apply where a charge is prescribed in Part 1
of Schedule 1.

9. Use of inside service

Except with the permission in writing of the Water Authority, no person
shall use an inside service for the reception or conveyance of any water other
than water from the waterworks in respect of which the inside service is
approved.

10. Draw-off points in gardens, etc.

Except with the permission in writing of the Water Authority, no person
shall-





(a) install draw-off points in, or draw water from, any part of an inside
service for the supply of fresh water for use in any(i) garden, (ii) lawn,
(iii) playground of any kind, (iv) garage or car park, or (v) other place
where the supply is not used for a domestic purpose or other
purpose approved by the Water Authority; or

(b)extend or alter an inside service for the supply of fresh water for any
purpose referred to in paragraph (a).

11. Hosepipe not to he connected to an inside service

(1) No person shall draw fresh water from an inside service by means of a
hosepipe or similar apparatus.

(2) Subregulation (1) shall not apply where fresh water is drawn by means of a
hosepipe or similar apparatus

(a)from a cold water storage cistern approved by the Water Authority
for that purpose; or

(b)for use in any type of domestic appliance or apparatus approved by
the Water Authority.

12. Use of fresh water for flushing

(1) If in any premises fresh water from the waterworks is, without the permission
in writing of the Water Authority, used for flushing water-closets, latrines or urinals,
the occupier and the owner of such premises shall be guilty of an offence.

(2) Where a contravention of subregulation (1) is committed, it shall be a good
defence---

(a)for the occupier to prove that the contravention was committed
without his knowledge or that he had taken reasonable steps to
prevent it;

(b)for the owner to prove that he has provided, or has taken reasonable
steps to provide, water (other than fresh water from the waterworks)
for flushing water-closets, latrines or urinals.

(3) For the purposes of this regulation and regulation 15(3)--

,,owner' includes any person holding the premises direct from the Crown

whether under lease, licence or otherwise, any mortgagee in possession and
any person receiving rent of the premises, solely or with another, on his own
behalf or that of any person, or who would receive the same if such premises
were let to a tenant, and the agent of an owner.





13. Use of water for air-conditioning plants, etc.

Except with the permission in writing of the Water Authority, no person
shall use water from the waterworks for-
(a) any heating, cooling or humidification plant; or
(b) any swimming pool.

14. (Repealed L.N. 252 of 1977)

15. Use of salt water for flushing

(1) The Water Authority may require the use of salt water for flushing
water-closets, latrines and urinals, and may supply salt water for such purpose.
(2) The pipes and fittings of water-closets, latrines and urinals in which
salt water is used for flushing shall be constructed of material that is suitable for
the use of salt water.
(3) Where under subregulation (1) the Water Authority requires the use
of salt water for flushing an existing water-closet, latrine or urinal in which
water other than salt water is used, the pipes and fittings of such water-closet,
latrine or urinal shall, if necessary, be replaced by the owner of the premises to
comply with subregulation (2).

16. (Repealed L.N. 85 of 1979)

17. Disconnection or reconnection of
supply at consumer's request

(1) A consumer who wants a fire service or inside service to be dis-
connected shall apply to the Water Authority in such form as may be specified
giving not less than 7 days' notice of the date on which the disconnection
is to be made.
(2) A consumer who wants a fire service or inside service, which has been
disconnected under subregulation (1), to be reconnected shall apply to the
Water Authority in such form as may be specified giving not less than 7 days'
notice of the date on which the reconnection is to be made.

18. Method of disconnection

(1) Disconnection of a fire service or inside service under section 10 or 19
of the Ordinance or regulation 17(1) or 28(1) may be effected by severing the
fire service or inside service from the main or by any other means as the Water
Authority thinks fit.





(2) A fire service or inside service which is disconnected under
subregulation (1) may be reconnected by the Water Authority-
(a)on compliance by the consumer or agent with any requirement of
the Water Authority relating to the reason for the disconnection;
and
(b)on payment of the charge for reconnecting a fire service or inside
service prescribed in Part 1 of Schedule 1.

PART 111

PIPES AND FITTINGS

19. Pipes and fittings

(1) Subject to subregulation (2), this Part and Schedule 2 shall apply to
any pipe or fitting installed or intended to be installed in any fire service or
inside service.
(2) This Part and Schedule 2 shall not apply to any pipe or fitting installed
before the commencement of these regulations in accordance with any
enactment then in force and no person shall be required to alter or renew any
such pipe or fitting unless such pipe or fitting is in the opinion of the Water
Authority so defective or in such condition as to cause, or be likely to cause,
waste, undue consumption or pollution of the supply.

20. Pipes and fittings to he of British Standard

(1) Subject to regulation 25, every pipe or fitting shall be of the British
Standard.
(2) Subregulation (1) shall apply only to so much of any British Standard
as relates to the size, nature, materials, strength, test requirements and
workmanship of any pipe or fitting and shall be deemed to be satisfied
notwithstanding any departure from such British Standard if that departure
does not in the opinion of the Water Authority adversely affect the efficiency or
suitability of the pipe or fitting for the purposes of these regulations.
(3) The Water Authority may at any time weigh, measure or otherwise
test any pipe or fitting to ascertain that it complies with the British Standard.

21. Testing and stamping of pipes and fittings

(1) The Water Authority may require any pipe or fitting, before it is
installed or used, to be tested.





(2) A pipe or fitting which is required to be tested under subregulation (1)
shall be delivered to the place specified by the Water Authority and such pipe or
fitting shall be tested on payment of the charge prescribed in Part 1 of Schedule 1.
(3) A pipe or fitting which is tested and approved may be stamped in such
manner as the Water Authority thinks fit.

22. Protection of pipes

A pipe made of galvanized wrought iron or steel if laid under the ground
shall be installed in such a manner that it does not come into contact with
concrete, cement mortar, lime mortar or plaster and shall be protected against
such contact by wrapping it with hessian or other suitable material and coating
it with bitumen or where such pipe passes through a wall or suspended floor it
may be protected against such contact by being carried through a sleeve or by
some other suitable means.

23. Booster pumps

(1) Except with the permission in writing of the Water Authority, no
person shall install or use a booster pump on a fire service or inside service.
(2) A booster pump shall not pump water direct from a main but from a
sump installed at a level at which it can be supplied with water from a main by
gravity. (L.N. 252 of 1977)

24. Other water using apparatus

An apparatus using water in respect of which no express provision is made
in these regulations or an apparatus for the treatment or filtration of water shall
not be installed or used without the permission in writing of the Water
Authority and he may require any such apparatus to be supplied with water
from a separate storage cistern.

25. Power to relax regulations

(1) The Water Authority may, either generally or in any particular case,
relax the provisions of these regulations regarding the size, nature, materials or
disposition of any pipe or fitting.
(2) The Water Authority may approve any pipe or fitting which is not of
the British Standard.
(3) Where water is-
(a) supplied through a meter;
(b) discharged into a cistern from a point not less than 150 mm
above the overflowing level thereof, and(L.N. 252 of 1977)





(c)conveyed therefrom for use in some industrial or research process
and is used solely in connection therewith,
the Water Authority may exercise his powers under subregulation (1) with regard
to any pipe or fitting installed or used for such purpose.

PARTIV

METERS

26. Installation of meters

(1) The Water Authority shall determine the size and the number of meters
which shall be installed on any fire service or inside service.

(2) All meters shall be provided and installed by the Water Authority on
payment of the charge prescribed in Part 1 of Schedule 1.

(3) If the seal fixed on a meter by the Water Authority is broken by any person
other than the Water Authority or any person authorized by him it shall be replaced
by the Water Authority and the consumer responsible for the custody of the meter
shall be liable to pay the charge prescribed in Part 1 of Schedule 1.

(4) No consumer shall permit any meter to be removed from a fire service or
inside service unless the person seeking to remove such meter presents to the
consumer a written authority from the Water Authority authorizing him to remove
such meter.

(5) The Water Authority may change a meter at any time.

27. Site of meters

The siting of a meter shall be determined by the Water Authority and he may
install the meter at a point most convenient to him on any wall (internally or
externally) of a building in which there is a fire service or inside service.

28. Damage to meters

(1) Where a meter is

(a)opened up whilst in the custody of the consumer other than by the
Water Authority or any person authorized by him;

(b) so used that water can be wasted, misused or unduly consumed;

(c) damaged by breaking the seal or lock on it or otherwise; or

(d)interfered with so that it impairs or falsities the measurement of
consumption,

the Water Authority may immediately disconnect the supply and repair the meter.





(2) Where a meter is damaged and the Water Authority is of the opinion
that such damage is not the result of fair wear and tear, or where a meter is
interfered with, the consumer responsible for the custody of the meter shall,
without prejudice to any penalty provided for the offence, be liable to pay-
(a) the charge prescribed in Part 1 of Schedule 1 for testing the meter;
(b) the cost of repairing the meter;
(c) any damage or loss suffered thereby by the Water Authority; and
(d)the charge prescribed in Part 1 of Schedule 1 for reconnecting the
fire service or inside service.

29. Reading of meters

(1) Meters shall be read at such intervals as the Water Authority may
direct.
(2) The reading taken as the last reading for any period shall be used as
the first reading for the period next following.

30. Testing of meters

(1) A consumer who doubts the accuracy of a meter which measures his
consumption may apply to the Water Authority in such form as may be
specified to have the meter tested and the Water Authority shall test the meter
in such manner as he thinks fit and the results of the test shall be binding on the
Water Authority and the consumer.
(2) A meter shall be deemed to register correctly if its inaccuracy does not
exceed 3 per cent above or below the correct amount.
(3) If a meter is found to register correctly the consumer shall pay the
charge prescribed in Part 1 of Schedule 1 for testing the meter, but no charge
shall be payable if the meter is found to over-register or to under-register.
(L.N. 219 of 1983)

31. Consumption where supply is not measured by meter

If a meter is found to be out of order or if it is removed for repairs or any
other purpose the consumption for the period during which supply is made
when the meter is out of order or removed shall be calculated-
(a)according to the average daily rate of consumption obtained
during the period between any successive readings whilst the
meter was in good order or prior to the removal of the meter; or
(b)at the discretion of the Water Authority, according to the average
daily rate of consumption during the period between any
successive readings immediately following the installation of a
new meter or the reinstallation of the old meter after repairs; or





(c)where it would be inappropriate to calculate the consumption in
the manner specified in paragraph (a) or (b), whether by reasons
of fluctuations in consumption or otherwise, in such manner as
may be agreed between the Water Authority and the consumer.
(L.N. 219 of 1983)

32. Private cheek meter
(1) A private cheek meter may, with the permission in writing of the
Water Authority, be installed on any part of an inside service.
(2) The Water Authority may at any time require a private check meter
installed under subregulation (1) to be tested, and the consumer shall, on
payment of the charge prescribed in Part I of Schedule 1, get the meter tested by
the Water Authority.
(3) The Water Authority shall, in assessing consumption at any inside
service, take no account of the readings of a private check meter.
(4) The Water Authority shall not be responsible for the accuracy of a
private check meter and where such meter is found to be operating
unsatisfactorily or restricting the supply to any premises the consumer shall, if
so required by the Water Authority, remove the meter.

PART V

LICENSING OF PLUMBERS

32A. Authority for grant of plumber's licence
(1) Plumber's licences may be issued by an officer designated for the
purpose by the Water Authority.
(2) The officer designated under subregulation (1) is referred to in this
Part as 'the licensing authority'.
(3) The licensing authority shall be assisted by an advisory board
appointed by the Water Authority and which shall have such members and be
appointed on such terms as the Water Authority may direct.
(4) In exercising his functions under this Part the licensing authority shall
consult the board appointed under subregulation (3).
(L.N. 219 of 1983)

33. Application for plumber's licence
(1) Any person who-
(a) holds a certificate frorn-
(i) The Institute of Plumbing; or
(ii) The Registered Plumbers Association of the United
Kingdom; or





(b) holds a certificate in plumbing or allied trades from-

(i) The Royal Society of Health;

(ii) The City and Guilds of London; (iii) The Hong Kong
Polytechnic; (iv) The Morrison Hill Technical Institute; or

(v) such other institution as the Governor may approve, may apply
to the licensing authority for a plumber's licence of any grade specified in regulation
35.

(2) Notwithstanding subregulation (1), any person who has knowledge of
plumbing may apply to the licensing authority for a plumber's licence of any grade
specified in regulation 35.

(3) Application for a plumber's licence shall be made in such form as may be
specified and which shall be accompanied by 2 copies of the applicant's photograph
of a size not greater than 50 x 50 mm or not less than 40 x 40 mm. (L.N. 252 of 1977)

34. Issue of plumber's licence

(1) On receipt of an application under regulation 33(1) and the fee prescribed in
Part 1 of Schedule 1 the licensing authority may issue a plumber's licence if he is
satisfied that the applicant has adequate knowledge of the Ordinance relating to a
fire service and inside service.

(2) On receipt of an application under regulation 33(2) and the fee prescribed in
Part 1 of Schedule 1 the licensing authority may issue a plumber's licence if he is
satisfied that the applicant has adequate knowledge of

(a)the type of work involved in respect of the grade of licence for which
application is made; and

(b) the provisions of the Ordinance relating to such work.

(2A) Without prejudice to any other steps which the licensing authority may
take for the purpose of satisfying himself that an applicant for a plumber's licence
has the knowledge required by subregulation (1) or (2), the licensing authority may
require any such applicant to pass an examination held for the purposes of this
regulation. (L.N. 40 of 1985)

(2B) An applicant for a plumber's licence who is required to undergo an
examination pursuant to subregulation (2A) shall pay the examination fee prescribed
in Part 1 of Schedule 1. (L.N. 40 of 1985)

(3) The licensing authority may renew a plumber's licence on receipt of an
application in such form as may be specified and the fee prescribed in Part 1 of
Schedule 1.

(4) An applicant for a plumber's licence who is aggrieved by the refusal of the
licensing authority to issue or renew a plumber's licence or by any limitation or
condition imposed by the licensing authority on the issue of a plumber's





licence may, within 14 days after the receipt of a notice of such refusal or the
imposition of the limitation or condition, appeal to the Water Authority whose
decision shall be final.

35. Grades of plumbers' licences

(1) A plumber's licence issued under regulation 34 may be of any of the
following grades and shall be valid for the type of work indicated therein

(a) Grade I-For the construction, installation, maintenance,

alteration, repair or removal of a fire service or inside
service of any type.
(b) Grade II-(i)For the maintenance and repair of a fire service or
inside service; and

(ii)for the installation, maintenance, repair or removal
of water appliances.

(2) The licensing authority may impose any limitation or condition as he thinks
fit on the type of work which may be carried out by a holder of a plumber's licence.

36. Plumber's licence

(1) A plumber's licence shall be in such form as may be specified.

(2) Subject to regulation 37, a plumber's licence shall be valid up till and
including 31 December in the year in which it is issued and may be renewed annually
under regulation 34(3) for a further period of 12 months from the date of expiry.

37. Power to cancel plumber's licence

(1) The licensing authority may cancel a plumber's licence at any time if

(a)he is satisfied that the plumber's licence was obtained by
misrepresentation or fraud; or

(b)the holder contravenes any of the provisions of the Ordinance in
respect of the construction, installation, maintenance, alteration,
repair or removal of a fire service or inside service.

(2) The licensing authority may suspend a plumber's licence for any period not
exceeding 6 months for any contravention specified in subregulation (1)(b).

(3) Any person who is aggrieved by the cancellation or suspension of a
plumber's licence may, within 14 days after the receipt of the notice of cancellation or
suspension, appeal to the Water Authority whose decision shall be final.





38. Persons carrying on plumbing business

(1) Any person, not being a licensed plumber, who-

(a)carries on business of plumbing for the purposes of the Ordinance;
and

(b) employs any licensed plumber for the purposes of such business,
shall be deemed to be a licensed plumber.

(2) Every person who is deemed to be a licensed plumber under subregulation
(1) shall, within 14 days after the end of every year, submit to the licensing authority
the name of every licensed plumber employed by him.

(L.N. 219 of 1983)

PART VI

PUBLIC
STANDPIPES

39. Use of public standpipes

(1) Fresh water from a public standpipe shall be taken away only in a bucket or
any other suitable receptacle and in such a manner as to prevent waste.

(2) No person shall draw water from a public standpipe by means of a hosepipe
or similar apparatus.

(3) No person, other than the Water Authority or a person authorized by him,
shall prevent any other person from taking water from a public standpipe.

PART VII

FISHING

40. Interpretation

For the purposes of this Part-
,,authorized officer' means a-

(a) police officer;

(b) justice of the peace;

(c)fisheries officer or fisheries inspector under the Fisheries Protection
Ordinance(Cap. 17 1);

(d) nature warden or honorary nature warden under the Wild
Animals Protection Ordinance (Cap. 170); (58 of 1980 s. 17)

(e) forest officer under the Forests and Countryside Ordinance (Cap.
96); or
person authorized in writing by the Water Authority;





'fishing licence' means a licence issued under regulation 42;
'toxic substance' means any substance specified in the Schedule to the Fisheries
Protection Ordinance(Cap. 17 1).

41. Fishing under licence

(1) No person shall fish in waters forming part of the waterworks except
under and in accordance with the terms of a fishing licence.
(2) No person shall catch fish in waters forming part of the waterworks
by any means other than by rod and line.
(3) No person shall use any explosive or toxic substance to catch or
destroy fish in waters forming part of the waterworks.

42. Issue of fishing licence

(1) The Water Authority may, on payment of the fee prescribed in Part 1
of Schedule 1, issue a licence to fish in waters forming part of the waterworks.
(2) A fishing licence shall-
(a) be in such form as may be specified;
(b) be valid for the period of time stated therein;
(c) be for the use of one rod and line;
(d) not be transferable; and
(e) be subject to any other condition stated therein.

43. Powers of inspection and arrest

(1) If an authorized officer finds a person fishing or has reasonable
grounds for believing that a person has been fishing or is about to fish in waters
forming part of the waterworks he may require such person to produce for
inspection his fishing licence.
(2) If an authorized officer has reasonable grounds for believing that a
person has committed an offence under regulation 44, he may-
(a) arrest such person;
(b) seize any fish in his possession; and
(c)seize any net or other appliance or thing for catching or
destroying fish, whether in the possession of such person or not,
in respect of which he has reason to believe the offence has been
committed.
(3) Where an authorized officer arrests a person under subregulation (2)
he shall forthwith take such person to the nearest police station and shall there
hand him over to the custody of a police officer and thereupon the provisions of
section 52 of the Police Force Ordinance (Cap. 232) shall apply.





44. Offences

Any person who

(a) contravenes regulation 41;

(b) contravenes any condition of a fishing licence;

(e)without lawful excuse fails to comply with a requirement of an
authorized officer under regulation 43(1); or

(d)wilfully resists or obstructs an authorized officer in the exercise of
his powers under regulation 43(2) and (3),
shall be guilty of an offence and shall be liable on summary conviction to a fine
of $4,000.

(L.N. 219 of 1983)

45. Revocation or suspension of fishing licence

If any condition of a fishing licence is contravened, the Water Authority may,
without prejudice to the liability of any person for the contravention, revoke or
suspend the fishing licence.

PART VIII

MISCELLANEOUS

46. Charges for water

The Water Authority shall charge the rates specified in Part III of Schedule 1 for
fresh water supplied under the Ordinance.

(L.N. 85 of 1979)

46A. (Expired on 1.4.84)

46B. Examination of water sample

(1) The Water Authority shall, upon being requested to do so and upon
payment of the fee prescribed in Part IV of Schedule 1, carry out an examination of a
water sample from any supply and shall issue to the person who requested the
examination a report of the results of such examination.

(2) An additional copy of any report issued under subregulation (1) may be
issued to any person requesting the same upon payment of the fee prescribed in
Part IV of Schedule 1.

(L.N. 40 of 1985)





47. Prohibition of sale of water

(1) Subject to subregulation (2), no person shall, without the permission in
writing of the Water Authority, sell or offer for sale water from the waterworks.

(2) Subregulation (1) shall not apply to a consumer of an inside service who
recovers the cost of water from any person

(a) who occupies the premises in which the inside service exists; and

(b)who uses in such premises water which is supplied through the
inside service.

48. Validity of notices

Any notice, form or other document under the Ordinance may bear the name of
the Water Authority or other person authorized by him and every such notice, form
or other document shall be valid if the name of the Water Authority or such
authorized person is printed thereon.

49. Service of notice, etc.

(1) Any notice, form or other document under the Ordinance may be served

(a)by delivering it personally to the person on whom it is to be served;

(b)by sending it by post to the last known address of the person on
whom it is to be served;

(c)by leaving it at the residence or place of business of the person on
whom it is to be served; or

(d)by posting it in a conspicuous place upon the premises to which it
relates.

(2) Notwithstanding subregulation (1), where a notice is of general application
to consumers or agents the notice may be published in such English and Chinese
language newspapers circulating in Hong Kong as may be approved for the purpose
by the Water Authority.

50. Time limit for payment of charges

and levy of surcharge

(1) Payment of a charge due shall be made on or before the date specified in the
notice of demand. (L.N. 118 of 1988)

(2) Where a charge remains unpaid for a period of 6 months, or less, from the
date specified in the notice of demand, the Water Authority or Director of
Accounting Services may add to the unpaid charge a surcharge not exceeding 5% of
the unpaid charge and recover the total amount of the unpaid charge and surcharge.
(L.N. 16 of 1977)





(3) Where a charge remains unpaid for a period exceeding 6 months from the
date specified in the notice of demand, the Water Authority or Director of
Accounting Services may add to the total amount of- (L.N. 16 of 1977)

(a) the unpaid charge; and

(b)any surcharge added thereto under subregulation (2), a further
surcharge not exceeding 10% of the total amount and recover the
total amount and further surcharge.

51. Penalty

(1) Any person who contravenes regulation 9, 10, 11, 13, 14(2), 15(2) or (3), 23,
24, 26(4), 38(2), 39 or 47 or any requirement of the Water Authority under regulation
15(1), 21, or 32(2) or (4) shall be guilty of an offence.

(2) Any person who is guilty of an offence under these regulations shall be

liable on summary conviction to a fine of 54,000.(L.N. 219 of 1983)

52. Saving

Any

(a) notice or account;

(b) permission; or

(c) plumber's licence or fishing licence, given, granted or issued by the
Water Authority under the revoked Waterworks Regulations (Cap. 102 sub. leg.
1964), and in force at the commencement of these regulations, shall be deemed to
have been given, granted or issued under these regulations.

53. Transitional

The charges in force under regulation 46 immediately before

(a)1 April 1985 shall apply in relation to any bill of charges for a period
of supply which includes 31 March 1985, notwithstanding anything
in the Waterworks (Amendment) Regulations 1985 (L.N. 40 of 1985);
(L.N. 40 of 1985)

(b)1 April 1986 shall apply in relation to any bill of charges for a period
of supply which includes 31 March 1986, notwithstanding anything
in the Waterworks (Amendment) Regulations 1986 (L.N. 73 of 1986);
(L.N. 73 of 1986)

(c)1 April 1987 shall apply in relation to any bill of charges for a period
of supply which includes 31 March 1987, notwithstanding anything
in the Waterworks (Amendment) Regulations 1987

(L.N. 78 of 1987);(L.N. 78 of 1987)





(d)1 April 1988 shall apply in relation to any bill of charges for a period
of supply which includes 31 March 1988, notwithstanding anything
in the Waterworks (Amendment) Regulations 1988 (L.N. 99 of 1988);
(L.N. 99 of 1988)

(e)1 April 1989 shall apply in relation to any bill of charges for a period
of supply which includes 31 March 1989, notwithstanding anything
in the Waterworks (Amendment) Regulations 1989

(L.N. 84 of 1989).(L.N. 84 of 1989)

SCHEDULE1 [regs. 4,6,8,18,
21,26,28,30,
32, 34, 42 461
PART 1
FEES AND CHARGES

Fees and charges payable under the regulations shall be-

1. Under regulation 6(5):

Making a connection to the main and installing (including reinstatement of the ground

surface) the part of a fire service or inside service on land held by the Crown

For any For each
length of 30 metre or part
metres and of a metre in
below excess of 30
metres
(a) Pipes of any size up to and including 20 mm in
diameter-
(i) where the total length of the pipes installed does
not exceed 100 metres .......$570.00 $NIL
(ii) where the total length of the pipes installed
exceeds 100 metres ..........$570.00 $NIL up to
l00m
$24 in excess
of 100m

(b) Pipes above 20 nun in diameter up to and including
25 nun in diameter ......... $900.00 $35.00
(c) Pipes above 25 nun in diameter up to and including
40 mm in diameter ..........$1,200.00 $50.00
(d) Pipes above 40 mm, in diameter up to and including
50 ram in diameter .........$1,800.00 $65.00
(e) Pipes above 50 mm. in diameter up to and including
80 nun in diameter .........$2,800.00 $95,00
(f) Pipes above 80 mm. in diameter up to and including
100 nun in diameter ........$3,500.00 $100.00

2.Under regulations 18(2) and 28(2):
Reconnecting a fire service or inside service $130.00

3.Under regulation 26(2):
Providing and installing a meter $100.00

4.Under regulations 4(3) and 26(3):
Resealing a fire service or meter $95.00





For any For each
length of 30 metre or part
metres and of a metre
below excess of 30
metres

5.Under regulations 28(2), 30(3) and 32(2):
Testing a meter or a private check meter (including removal and
refixing)-

(a) any size up to and including 80 nun in diameter $300.00
(b) above 80 mm in diameter up to and including 100 mm in diameter $700.00
(c) above 100 mm in diameter up to and including 150 ram in diameter $1,150.00
(d) above 150 mm in diameter up to and including 200 mm in diameter $1,400.00

6.Under regulation 34(1) and (2):
Plumber's licence .................................................$40.00
7. Under regulation 34(2B):
Plumbers' licence examination .....................................$400.00
8. Under regulation 34(3):
Renewal of plumber's licence ......................................$30.00
9. Under regulation 42:
Fishing licence ...................................................$20.00

PARTII

SUPERVISION CHARGE

(Regulation 8)

The charge for supervision of work carried out by the Water Authority, other than work for
which a fee is prescribed in this Schedule, shall be 20 % of the actual cost of such work.

PART III

CHARGE FOR FRESH WATER

(Regulation 46)

1 The charge for fresh water, filtered or filtered, per unit of 1 cubic metre (1000 litres) shall
be----

Charge
per unit
(a) for construction purposes........................................$4.13
(b) for domestic purposes (other than flushing), per 4 month period-
(i) for the first 17 units........................................$NIL

(ii) for the next 17 units ........................................$1.47

(iii) for the next 26 units ........................................$2.66

(iv) for the next 26 units ........................................$4.13

(v) for the remainder ........................................$5.79


(C) for flushing purposes, per 4 month period-
(i) for the first 30 units........................................$NIL

(ii) for the remainder ........................................$2.66





Charge
per unit

(d) for shipping purposes referred to in paragraph (a) of the definition of
'shipping purpose'.............................................$5.79

(e) for shipping purposes referred to in paragraph (b) of the definition of
'shipping purpose'.............................................$2.66

(f) for trade purposes.............................................$2.66

(g) for any purpose (other than shipping purposes referred to in
paragraph (a) of the definition of 'shipping purpose') where
payment is made against a prepaid ticket issued by the Director of
Accounting Services............................................$2.66

2. Where a charge under item 1(b) or item 1(c) of this Part is calculated on a computerized basis,

a reference in that item to '4 month period' shall be read as a reference to 121.64 days.

PART IV
CHARGES FOR EXAMINATION OF WATER
(Regulation 46B)
1.The charge for examination of a water sample shall be---
Charge
where sample
delivered to
Water Authority
(a) for a general chemical analysis (comprising all standard tests*).....$1,250.00
(b) for an individual standard test*.....................................$ 105.00
(c) for a non-standard test (other than a non-standard test referred
to in paragraph (d) or (e)) .........................................$215.00
(d) for a British Pharmaceutical test for water for injection purposes...$495.00
(e) for a general bacteriological examination............................$240.00
2.Charge for each attendance to collect any sample or samples..............$550.00
3.Charge for additional copy of examination report.........................$5.00

*For the purpose of this Part, 'standard test' means a test to determine any one of the following-


Turbidity; Nitrite nitrogen;Total alkalinity;
Ortho-phosphate; pH value;Nitrate nitrogen;
Total hardness; Fluorides; Colour;
Oxygen absorbed value; Calcium;Iron;
Conductivity; Suspended solids; Magnesium;
Manganese; Arnmoniacal nitrogen;Dissolved solids;
Chlorides; Aluminium; Alburninoid nitrogen;
Residual chlorine; Sulphates;Silica.

(L.N. 84 of 1989)





SCHEDULE 2 [reg. 19]

PART 1

PIPES AND FITTINGS

1. (1) Pipes on a fresh water fire service shall be made of cast iron, wrought iron, steel or
copper.

(2) Pipes and fittings on a salt water fire service shall be made of such material as the Water
Authority, on consultation with the Director of Fire Services, thinks fit.

(3) Pipes on a fresh water inside service shall be made of cast iron, asbestos cement, wrought
iron, steel or copper.

(4) Pipes on a salt water inside service shall be made of cast iron, asbestos cement or
unplasticized P.V.C.

2. No pipe shall be less than 20 ram diameter, except that a branch pipe may be 15 mm diameter
if the pipe run is short and the pipe supplies only one draw-off point.

3. No bend or curve shall be made in any pipe so as to diminish the waterway or alter the internal
diameter of the pipe in any part.

4. Changes of direction for a pipe of less than 40 nun diameter shall be effected by slow bends
and no elbows shall be used.

5. (a)Cast iron pipes shall comply with BS 4622 for grey iron pipe and with BS 4772 for

ductile iron pipe, except that they may incorporate a mechanical or automatic joint
of approved design.

(b)Cast iron pipes to BS 4622 and ductile iron pipes to BS 4772 shall be of a class
appropriate to the duty required.

6.Asbestos cement pipes shall comply with BS 486 and shall be of Class 20 or 25 as may be

appropriate to the duty required-

7. Cast iron fittings for use with cast iron or asbestos cement pipes shall comply with BS 4622
for grey iron fittings and with BS 4772 for ductile iron fittings, except that they may
incorporate a mechanical joint of approved design, or be plain ended in the case of fittings for
asbestos cement pipes. Fittings shall be of a class appropriate to the duty required.

8. (Repealed L.N. 252 of 1977)

9. Steel pipes shall be galvanized and shall comply with BS 1387 for 'Medium' tubes and tubulars.

10. Malleable cast iron fittings for use with wrought iron or steel pipes shall be galvanized and
shall comply with BS 143 or 1256 for malleable cast iron and cast copper alloy pipe fittings.

11. Wrought fittings of iron or steel for use with wrought iron or steel pipes shall be galvanized
and shall comply with BS 1740, Part 1 for wrought iron pipe fittings.

12. Unplasticized P.V.C. pipes and fittings shall comply with BS 3505 for Class 'D' tubes or
equivalent.

13. Copper pipes incorporating screw joints shall comply with BS 2871, Part 2, for copper tubes
(heavy gauge) for general purposes and screw thereof shall comply with BS 61, for screw threads
for copper tubes.

14. Copper alloy pipe fittings and copper alloy three piece unions, for copper pipes screwed in
accordance with Table 1 of BS 61, shall comply with BS 66 and BS 99.





15. Cast copper alloy fittings, for copper pipes screwed in accordance with Table 1 of BS 61,
shall comply with the relevant requirements of BS 143 or 1256 for malleable cast iron and cast
copper alloy pipe fittings.

16. Copper pipes to be jointed with compression fittings or capillary fittings or by bronze or
autogenous welding shall comply with BS 2871, Part 1.

17. Capillary fittings or compression fittings shall comply with BS 864, Parts 2 and 3 for
capillary and compression fittings of copper and copper alloy and compression fittings for pipes
laid under the ground shall be Type B.

(L.N. 252 of 1977)

PART II

TAPS AND VALVES

1 Draw-off taps and stop valves of the ordinary screw-down pattern and of nominal size not
exceeding 50 nun shall comply with BS 10 10, Part 2 for draw-off taps and stop valves.

2. Draw-off taps and stop valves not being of the ordinary screw-down pattern, shall be capable
of resisting a pressure of at least 2 000 kPa, and every valve, spindle, and other internal part and,
where the nominal size of the tap or valve does not exceed 50 mm the body thereof, shall be
made of a corrosion resisting alloy.

3. Sluice valves of nominal size of 50 mm or more shall comply with BS 5163 for sluice valves
for waterworks purposes of PN 10 or PN 16 according to the pressure to which the valve will be
liable to be subjected under working conditions.

4. (1) Ball valves of the 'Piston' type and of a nominal size not exceeding 50 nun shall comply
with BS 1212, Part 1 for ball valves.

(2) Ball valves not being of the 'Piston' type shall be sound and suitable and comply with
the following requirements

(a)high pressure valves shall close against a test pressure of 1400 kPa, medium
pressure valves against a test pressure of 700 kPa, low pressure valves against a test
pressure of 300 kPa; and the valves, not being valves having an interchangeable
orifice seating, shall have the letters 'H.P .... .. M.P.' or 'L.P.' respectively cast or
stamped on the body of the fitting, and shall, while held in a closed position, be
capable of resisting a pressure of 2 000 kPa;

(b)valves of the piston type shall be provided with a washer of suitable vulcanized
rubber or some other equally suitable material, and, for valves of nominal sizes not
exceeding 50 mm the washer shall be enclosed in an internally flanged cap screwed
to the piston;

(c)valves of nominal size not exceeding 50 nun, the body and the piston shall be of a
corrosion-resisting alloy, the lever shall be of corrosion-resisting alloy or of copper
and shall be of sufficient rigidity not to bend permanently under working
conditions;

(d)valves of ferrous metal of a nominal size exceeding 50 mm shall be provided with a
flange on their inlets complying with BS 4504, Part 1, Table 16, shall be protected
against corrosion by dipping in accordance with the requirements of BS 4164 or by
galvanizing in accordance with the requirements of BS 1387 and shall have all their
working surfaces lined or faced with, and its orifice seating of, a corrosion-resisting
alloy.

(3) Ball valve floats of a nominal outside diameter not exceeding 300 nun shall comply with
BS 1968 for copper floats or with BS 2456 for plastic floats.

(4) Ball valves when fixed to a cistern shall have the size of the orifice, the size of the float
and the length of the lever so proportioned to one another that, when the float is immersed to
an extent not exceeding half its volume, the ball valves shall be watertight against the highest






pressure at which it may be required to work.





5. Ball valves or float-operated valves fitted to storage cisterns shall be securely and rigidly fixed
thereto above the water-line, and shall be supported independently of the inlet pipe (unless such
inlet pipe is itself rigid and rigidly fixed to the cistern), in such a position that no part of the
body of the valve will be submerged when the cistern is charged to overflowing level.

6. Where a ball valve or float-operated valve is provided with a pipe so arranged as to discharge
water into a cistern below its overflowing level, an air hole shall be provided in the outlet
chamber of the valve above such level of a size sufficient to prevent siphonage of water back
through the valve.

7. No ball valve shall be fitted to a storage cistern to contain heated water.

8. Gate valves shall comply with BS 5 154 for copper alloy gate valves for general purposes.

9. Fitting with threaded outlets, or any device facilitating the connecting of rubber or other type
flexible hose, shall not be permitted, except with the written permission of the Water Authority.

10. Draw-off taps, valves and valve floats for use with salt water shall, where applicable, comply
with the British Standard and other requirements for such fittings for use with fresh water and
shall, in addition, be manufactured from materials capable of withstanding the corrosive effect of
salt water.

11. No draw-off tap or valve shall be installed or used unless it has been tested and stamped in
accordance with regulation 21 or otherwise approved by the Water Authority.

(L.N. 252 of 1977)

PART III

COLD WATER STOP-AGE CISTERNS

1. No cistern for the storage of cold water shall be installed or used except with the permission in
writing of the Water Authority who shall specify the maximum permitted capacity.

2. Every cistern shall be watertight, of adequate strength, properly supported and shall be
constructed of concrete, galvanized iron or steel or other approved material.

3. A cistern of mild steel not exceeding 5 000 litres capacity shall comply with BS 417, Part 2
for galvanized mild steel cisterns.

4. (a) Every cistern shall be located so as to minimize the risk of contamination of the

stored water and shall be fitted with suitable close fitting lockable covers which shall
not be air-tight. Covers shall be positioned so as to facilitate inspection and cleaning.

(b)Where a storage cistern for non-potable water is placed adjoining to a storage cistern
for potable water there shall be an air space between such storage cisterns.

5. Cisterns shall he fitted with a ball valve controlled inlet in the case of a gravity supply or with
an automatic control switch in the case of a pumped supply. The ball valve or control switch
shall shut off the supply when the water level is 25 mm below the invert of the overflow pipe.
The invert of the inlet pipe or the face of the outlet nose of the ball valve shall be not less than
25 nun above the top of the overflow pipe.

6. An overflow pipe of one commercial size larger than the inlet pipe, and in no case less than 25
mm diameter, shall be fitted to each cistern and shall be extended to terminate in a conspicuous
position. No overflow pipe shall be connected to a drain, sewer or to the overflow pipe from any
other cistern.

7. A stop valve shall be provided on the outlet of every cistern and provision shall be made for a
drain-off pipe to enable the cistern to be emptied.

8. No cistern for the storage of fresh water supplied from the waterworks shall, without the
written permission of the Water Authority, be so connected that it can be used for the storage of
any water other than that supplied from the waterworks.











9. Every cistern shall be installed so that it is easily accessible for cleaning or repair. Where a
cistern is installed inside a building and, due to limited headroom available, it is fixed with limited
clearance from the ceiling or underside of the roof, a quickly detachable fitting must be used to
enable it to be easily removed for cleansing and repair.

10. Safe access shall be provided to all cisterns by means of a secure permanent ladder or readily
available portable ladder.

(L.N. 252 of 1977)

PART IV

WATER HEATERS

1. (1) Subject to subparagraph (2), a water heater shall be supplied with water from a cold water
storage cistern.

(2) The following types of water heaters may, with the written permission of the Water
Authority, be connected direct to a main

(a)non-pressure type water heaters where no restriction of flow can be effected beyond
the inlet control valve;

(b) cistern type water heaters;

(c)instantaneous water heaters where the guaranteed test pressure of the water heater is
at least 11 times the static head available at the water heater.

(3) Where a water heater is connected direct to a main-

(a)every draw-off point of the water heater shall be not less than 15 mm above the
lowest part of the top edge of the receptacle supplied from the water heater;

(b)if it is a water heater burning gas, the construction of the water heater shall be such
that no leakage of gas into the water can occur;

(c)if it is a water heater using electricity, the construction of the water heater shall be
according to the relevant British Standards.

2. Where mixing valves, showers or water blenders are installed, the cold water supply to these
fittings shall be from the same cold water storage cistern or main that supplies the water heater
and the installation shall be such that the hot water flow will stop before that of the cold water in
the event of a failure in the water supply.

3. Every water heater of the thermal storage type shall be provided with an individual expansion
pipe taken from its highest point and shall continuously rise without obstruction until it
discharges to atmosphere above the storage cistern at a sufficient height to prevent a constant
out-flow of hot water therefrom.

4. No tap or other means of drawing off water (other than a screwed plug with a removable key
for emptying the system for cleansing or repair) shall be connected to any part of the hot water
system below the top of the hot water cylinder in such a way that the level of the water in the
cylinder can be lowered.

5. No tap used for the purpose of drawing hot water shall be fixed at a greater distance (measure
along the axis of the pipe by which the tap is supplied) from a water heater or hot water cistern,
cylinder or tank, or from a flow and return system, than the distance appropriate to the largest
internal diameter of any part of the said pipe as shown in the following table

TABLE

Largest internal diameter of pipe Distance in metres

(a) Not exceeding 20 nun ...........................12
(b) Exceeding 20 mm but not exceeding 25 mm ........8
(c) Exceeding 25 mm ...............................3

6. A loose jumper type valve shall be fitted on the inlet of every water heater if a non-return valve
is not incorporated in such water heater.





7. Pipes used for conveying hot water shall be of galvanized steel, galvanized wrought iron,
copper, or of some corrosion-resisting alloy:

Provided that cast iron pipes of not less than 50 mm internal diameter may be used if
suitable provision for their expansion is made.

8. Every hot water cylinder or tank of a capacity of not less than 100 litres shall

(a)if made of mild steel, comply with the requirements for cylinders or tanks, as the
case may be, of BS 417, Part 2 for galvanized mild steel cisterns, tanks and
cylinders or with BS 1565, Part 2 for galvanized mild steel indirect cylinders; and

(b)if made of copper, comply with BS 699 for copper cylinders for domestic purposes
or with BS 1566, Parts 1 and 2 for copper indirect cylinders.

9. Every water heater of thermal storage type or the calorifier type shall comply with the
requirements of BS 843 for stationary non-instantaneous electric water heater or with BS 853 for
hot water calorifiers respectively.

10. Every water heater burning gas shall comply with BS 1250: (Part 1 and Part 3) for domestic
appliances burning gas.

(L.N. 252 of 1977)

PART V

FLUSHING APPARATUS

1 Every flushing cistern shall be of the valveless syphonic type unless otherwise approved by
the Water Authority. A stop valve shall be fixed in a readily accessible position so as to control
the supply to the cistern.

2. Flushing cisterns for water-closet fitments and slop sinks shall be capable of giving a flush of
not less than 9 litres and not more than 15 litres of water on each occasion such fitment is used.

3. The capacity of the flushing cistern in the case of trough water-closets and urinals shall be
approved by the Water Authority subject to the discharge in the case of trough water-closets
being not less than 9 litres of water for every metre of the channel and the discharge in the case
of urinals being not less than 4.5 litres of water for every basin or stall, or in the case of a trough
urinal, every metre thereof.

4. The internal diameter of flushing pipes shall

(a)in the case of water-closet fitments, trough water-closets and slop sinks, be not less
than 30 mm;

(b)in the case of urinals (other than trough urinals), he not less than 15 mm for each
basin and stall; and

(c) in the case of trough urinals, be not less than 15 mm for every metre thereof.

5. Every flushing apparatus shall be operated by hand, except in cases where written permission
from the Water Authority has been granted for the installation of automatic flushing. In such
cases the method of control and the amount and frequency of the flushes shall be decided by the
Water Authority.

6. Every flushing cistern operated by hand shall be provided with a ball valve so arranged as to
refill the cistern within 2 minutes.

7. Flushing cisterns shall in all case be supplied from storage cisterns and such storage cisterns
shall not be used to supply any other apparatus, appliance or fitting. Every such cistern shall be
fitted with a suitable close fitting cover and provided with adequate access to enable the cistern to
be entered and cleaned.

8. Every flushing cistern shall have an overflow which shall discharge in a conspicuous position.







9. Flushing apparatus without flushing cisterns shall not be used.

(L.N. 252 of 1977)





PART VI

BATHS LAVATORY BASINS AND SINKS

1. Every inlet to a bath, lavatory basin or sink shall be distinct from, and unconnected with, any
outlet therefrom and every outlet for emptying such bath, lavatory basin or sink shall be
provided with a well-fitting and easily accessible watertight plug or some other equally suitable
apparatus.

2. The level of the point of discharge of hot or cold water to a bath, lavatory basin or sink shall
be above the level of the overflow, or if there be no overflow, of the top edge of the bath, basin
or sink.

3. The water supply to any bidet, sitz bath, slop or sluicing sink or similar apparatus, shall, if the
inlet is liable to be submerged, be provided by(a) a storage cistern supplying water to such
apparatus only; (b) a storage cistern for flushing purposes only; or (c) a hot water distribution
system supplying such apparatus only.

4. All taps supplying baths, lavatory basins, sinks or similar apparatus shall have a stop valve
fixed in a readily accessible position to control the supply to each fitting or branch pipe
supplying a range of fittings.

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