1951-HKRS30-8-41_Part02 — Page 8

FIRST COLUMN.

3. Waterworks

Ordinance, 1938, sections 26

and 29 and

Interpretation

Ordinance, 1950, section 14A.

-Conid.

SECOND COLUMN.

or other type flexible hose, shall nu be permitted, except only by written permission of the water authority."; (vi) the renumbering of sub-paragraphs (3). (4) and (5) of paragraph (b) Taps, ball cocks and stop cocks, of regulation 11 as sub-paragraphs (4), (5) and (6);

(vii) the addition after sub-paragraph (6), as renumbered, of paragraph (b) Taps, ball cocks and stop cocks, of regulation 11 of the following-

"(7) Jointing compounds using lead base shall not be permitted o screwed joints.”;

(viii) the deletion of the contents of paragraph (c) Cold water cisterns, of regulation in and the substitution therefor of the following-

"O) Cold water cisterns for the storage of water supplied by the waterworks shall not be permitted except with the written permission of the water authority. Where permit ted they shall be watertight and ha close fitting covers which shall not be airtight. They shall be constructed of concrete, iron or other approved material. Where iron is used it shall be galvanized or otherwise protected against corrosion in a manner to be approved by the water authority. Every cistern shall have a ball cock and an overflow pipe. The ball cock shall shut off the supply when the water level is 2 inches below the overflow pipe and the nose or outlet of the ball cock shall be above the surface of the water when the cister is charged. The overflow pipe shall be laid to the outside of the building

FIRST COLUMN.

3. Waterworks

Ordinance, 1938, sections. 26 and 29 and Interpretation Ordinance, 1950, section 14A. -Contd.

SECOND COLUMN.

and shall terminate in a conspicuous

position. No overflow pipe shall be connected to a drain, sewer, or to the overflow pipe from any other cistern. Cisterns shall be placed in such positions that they are easily accessible for cleaning.

(2) The storage of the following amounts of cold water from the mains may generally be permitted, but the water authority shall in all cases decide the maximum storage to be allowed-

For domestic purposes in ordinary type houses or flats-

(a) Flushing supply (where a mains

supply is approved)--

10 gallons per flushing point whether water closet, urinal or bidet.

Minimum so galions. Maximum 400 gallons.

(b) Hot water system-1 times the capacity of the hot water cylin- ders.

(c) Cold water system-nil, except where a house or fat is situated at such a level that a gravity supply from the mains cannot be guaranteed.

For trade purposes-Factories, res- laurants, eating houses, slc.

The amount of storage shall depend on the average daily require- ments at the premises, and in general approval shall not be given for an amount which exceeds half such requirements.