1950_WATERWORKS_REGULATIONS — Page 10

HK Historical Laws 香港歷史法例 All AI Reviewed

Waterworks.

(28) The siphon (or dome and discharge pipe as the case may be) of every flushing cistern shall either be of corrosion-resisting material or be efficiently protected against corrosion.

(29) Every flushing cistern shall be so constructed that water cannot flow down the flush pipe except when a flush is being properly delivered, and so that it shall not discharge at one flush more than its normal capacity.

(30) In the case of latrines or urinals the capacity of the flushing cistern shall be decided by the water authority.

(31) 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 amount and frequency of the flushes shall be decided by the water authority.

(32) Flushing cisterns shall in all cases be supplied from cold water cisterns and such cold water cisterns shall not be used to supply any other apparatus, appliances or fittings.

[CAP. 102

(33) Flushing apparatus without flushing cisterns shall not be used without the written permission of the water authority. Where flushing valves of approved type are so G.N.A. 75/51. permitted they shall be set and sealed by the water authority.

Baths, lavatory basins and sinks.

(34) Every inlet to a bath, lavatory basin or sink shall be distinct from, and unconnected with, the outlet thereof, and any outlet for emptying a bath, lavatory basin or sink shall be provided with a visible and well fitting watertight plug or other easily accessible and equally suitable outlet.

(35) The level of the nose or outlet of the cold water inlet to a bath, lavatory basin or sink shall be above the level of the overflow pipe, or if there be no overflow pipe, above the rim of the bath, lavatory basin or sink.

(36) All taps supplying baths, lavatory basins and sinks G.N.A. 75/51. shall be checked by a stop cock fixed in a readily accessible position.

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Waterworks. (28) The siphon (or dome and discharge pipe as the case may be) of every flushing cistern shall either be of corrosion-resisting material or be efficiently protected against corrosion. (29) Every flushing cistern shall be so constructed that water cannot flow down the flush pipe except when a flush is being properly delivered, and so that it shall not discharge at one flush more than its normal capacity. (30) In the case of latrines or urinals the capacity of the flushing cistern shall be decided by the water authority. (31) 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 amount and frequency of the flushes shall be decided by the water authority. (32) Flushing cisterns shall in all cases be supplied from cold water cisterns and such cold water cisterns shall not be used to supply any other apparatus, appliances or fittings. [CAP. 102 (33) Flushing apparatus without flushing cisterns shall not be used without the written permission of the water authority. Where flushing valves of approved type are so G.N.A. 75/51. permitted they shall be set and sealed by the water authority. Baths, lavatory basins and sinks. (34) Every inlet to a bath, lavatory basin or sink shall be distinct from, and unconnected with, the outlet thereof, and any outlet for emptying a bath, lavatory basin or sink shall be provided with a visible and well fitting watertight plug or other easily accessible and equally suitable outlet. (35) The level of the nose or outlet of the cold water inlet to a bath, lavatory basin or sink shall be above the level of the overflow pipe, or if there be no overflow pipe, above the rim of the bath, lavatory basin or sink. (36) All taps supplying baths, lavatory basins and sinks G.N.A. 75/51. shall be checked by a stop cock fixed in a readily accessible position. 167 Page 10 Page 11
Baseline (Original)
Waterworks. (28) The siphon (or dome and discharge pipe as the case may be) of every flushing cistern shall either be of corrosion-resisting material or be efficiently protected against corrosion. (29) Every flushing cistern shall be so constructed that water cannot flow down the flush pipe except when a flush is being properly delivered, and so that it shall not discharge at one flush more than its normal capacity. (30) In the case of latrines or urinals the capacity of the flushing cistern shall be decided by the water authority. (31) 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 amount and frequency of the flushes shall be decided by the water authority. (32) Flushing cisterns shall in all cases be supplied from cold water cisterns and such cold water cisterns shall not be used to supply any other apparatus, appliances or fittings. [CAP. 102 (33) Flushing apparatus without flushing cisterns shall not be used without the written permission of the water authority. Where flushing valves of approved type are so G.N.A. 75/51. permitted they shall be set and sealed by the water authority. Baths, lavatory basins and sinks. (34) Every inlet to a bath, lavatory basin or sink shall be distinct from, and unconnected with, the outlet thereof, and any outlet for emptying a bath, lavatory basin or sink shall be provided with a visible and well fitting watertight plug or other easily accessible and equally suitable outlet. (35) The level of the nose or outlet of the cold water inlet to a bath, lavatory basin or sink shall be above the level of the overflow pipe, or if there be no overflow pipe, above the rim of the bath, lavatory basin or sink. (36) All taps supplying baths, lavatory basins and sinks G.N.A. 75/51. shall be checked by a stop cock fixed in a readily accessible position. 167 Page 10Page 11
2026-05-04 01:46:21 · Baseline
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Waterworks.

(28) The siphon (or dome and discharge pipe as the case may be) of every flushing cistern shall either be of corrosion-resisting material or be efficiently protected against corrosion.

(29) Every flushing cistern shall be so constructed that water cannot flow down the flush pipe except when a flush is being properly delivered, and so that it shall not discharge at one flush more than its normal capacity.

(30) In the case of latrines or urinals the capacity of the flushing cistern shall be decided by the water authority.

(31) 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 amount and frequency of the flushes shall be decided by the water authority.

(32) Flushing cisterns shall in all cases be supplied from cold water cisterns and such cold water cisterns shall not be used to supply any other apparatus, appliances or fittings.

[CAP. 102

(33) Flushing apparatus without flushing cisterns shall not be used without the written permission of the water authority. Where flushing valves of approved type are so G.N.A. 75/51. permitted they shall be set and sealed by the water authority.

Baths, lavatory basins and sinks.

(34) Every inlet to a bath, lavatory basin or sink shall be distinct from, and unconnected with, the outlet thereof, and any outlet for emptying a bath, lavatory basin or sink shall be provided with a visible and well fitting watertight plug or other easily accessible and equally suitable outlet.

(35) The level of the nose or outlet of the cold water inlet to a bath, lavatory basin or sink shall be above the level of the overflow pipe, or if there be no overflow pipe, above the rim of the bath, lavatory basin or sink.

(36) All taps supplying baths, lavatory basins and sinks G.N.A. 75/51. shall be checked by a stop cock fixed in a readily accessible

position.

167

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