81. Restoration of Nullahs and Channels:-All discovered damaged surface channels and open nullahs throughout the Colony were repaired. Damaged railings to open nullahs in the urban areas were replaced by granite parapet walling. Many defective private nullah intake services were found. The intakes were repaired by this office and the permittee's attention drawn to defective or missing pipe lines. A total length of 8000 feet of new nullah invert was repaired and parapet walling for a length of 2,800 feet was constructed to replace damaged iron railings.
82. Construction of Storm Water Drain at Lai Chi Kok:-- The Contract for this work was commenced late in the year and was satisfactorily completed within the stipulated time. The work comprised 720 feet of 63" diameter, 740 feet of 57" diameter and 630 feet of 27" diameter cement concrete culvert, together with contingent works, the total cost being $164,000.
83. Extension of Sewers and Storm Water Drains:-Many sewer and storm-water extensions which were in hand prior to the occupation were completed, new extensions were laid and many sewer and storm-water connections were made, the majority of the latter being due to the continuation of building development which was in abeyance during the war period. In Hong Kong, new sewers varying from 9" to 6" in diameter were constructed to a total length of 800 feet and in Kowloon new sewers, varying in diameter from 39" to 6" were laid to a total length of 2,520 feet. The number of new sewer and storm-water drain connections made throughout the Colony was 112.
84. Training Nullahs:-A considerable amount of work was commenced on the mainland in completing several large nullah extensions which had been left in abeyance after the occupation of the Colony. It involved completion of rubble wallings, cement concrete copings, parapet wallings, inverts and side filling. In Hong Kong many minor works were undertaken. At East Point 120 feet of open nullah was decked over, the cost being met by adjacent property owners. The work in Kowloon comprised the following items:-920 feet of new nullah invert in Yaumati, 1,260 lineal feet of nullah walling at Cheung Sha Wan left incomplete in 1941, new parapet walling to a total length of 380 feet at Cheung Sha Wan and the construction of 3 large sand traps at vital points to prevent silting up of the storm-water drainage systems.
ELECTRICAL & MECHANICAL OFFICE. Electrical Section.
Public Works Recurrent.
85. Maintenance of Government Buildings: Electrical installations were maintained in good order in over 270 buildings. About 900 fans and 4,000 light and power points were tested, and repairs and renewals were carried out as far as materials and staff permitted.
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81. Restoration of Nullahs and Channels:-All discovered damaged surface channels and open nullahs throughout the Colony were repaired. Damaged railings to open nullahs in the urban areas were replaced by granite parapet walling. Many defective private nullah intake services were found. The intakes were repaired by this office and the permittees attention drawn to defective or missing pipe lines. A total length of 8000 feet of new nullah invert was repaired and parapet walling for a length of 2,800 feet was constructed to replace damaged iron railings.
82. Construction of Storm Water Drain at Lai Chi Kok:-- The Contract for this work was commenced late in the year and was satisfactorily completed within the stipulated time. The work comprised 720 feet of 63" diameter, 740 feet of 57" diameter and 630 feet of 27" diameter cement concrete culvert, together with contingent works, the total cost being $164,000.
83. Extension of Sewers and Storm Water Drains:-Many sewer and storm-water extensions which were in hand prior to the occupation were completed, new extensions were laid and many sewer and storm-water connections were made, the majority of the latter being due to the continuation of building development which was in abeyance during the war period. In Hong Kong, new sewers varying from 9" to 6" in diameter were constructed to a total length of 800 feet and in Kowloon new sewers, varying in diameter from 39" to 6" were laid to a total length of 2,520 feet. The number of new sewer and storm-water drain connections made throughout the Colony was 112.
84. Training Nullahs:-A considerable amount of work was commenced on the mainland in completing several large nullah extensions which had been left in abeyance after the occupation of the Colony. It involved completion of rubble wallings, cement concrete copings, parapet wallings, inverts and side filling. In Hong Kong many minor works were undertaken. At East Point 120 feet of open nullah was decked over, the cost being met by adjacent property owners. The work in Kowloon comprised the following items:-920 feet of new nullah invert in Yaumati, 1,260 lineal feet of nullah walling at Cheung Sha Wan left incomplete in 1941, new parapet walling to a total length of 380 feet at Cheung Sha Wan and the construction of 3 large sand traps at vital points to prevent silting up of the storm-water drainage systems.
ELECTRICAL & MECHANICAL OFFICE. Electrical Section.
Public Works Recurrent.
85. Maintenance of Government Buildings: Electrical installations were maintained in good order in over 270 buildings. About 900 fans and 4,000 light and power points were tested, and repairs and renewals were carried out as far as materials and staff permitted.
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