with Port Works Schemes as the land boring gang were constantly in demand by other offices and for a period of three months were employed on site investigations for the new Police Headquarters at Arsenal Street. Marine borings, which reveal the nature of the sea-bed, were carried out continuously and the results were used in the design of the new Star Ferry Piers and the exploration for sand deposits so necessary for the major reclamation schemes.
127. The Government Diver and his crew had a wide variety of tasks consisting of the inspection and repair of the two 21" cross harbour water mains, the location, inspection and charting of wrecks in and around Hong Kong waters, the inspection of the Star Ferry Piers prior to their annual general repair, the survey and demolition of underwater obstructions by means of an improvised adaptation of the war time "Bee-hive" type of explosive charge and complete underwater progress inspections of all reclamation, sea wall and pier projects.
128. Miscellaneous tasks carried out during the year were as follows:
(a) The removal of an obstruction to the East-West runway at Kai Tak Airfield known as the "Flat-Topped Hill." This scheme involved the removal of 80,000 cubic yards of earth by directly employed labour, utilizing the P.W.D. "R.B. 19" Bucket Excavator, 3 "Ransome" 4 Cubic Yard Tippers and 4 Tipping Lorries. The monthly average quantity of spoil moved was 10,000 cubic yards which was tipped at Ma Tau Kok to reclaim 108,000 sq. ft. of valuable building land from the sea.
(b) Supervision of public dumping into sea reclamation areas to which contractors' lorries brought debris from house demolitions, site formations, old road materials and spoil from slides. The total volume of debris dumped amounted to 304,000 cubic yards.
PRODUCT 32
with Port Works Schemes as the land boring gang were con- stantly in demand by other offices and for a period of three months were employed on site investigations for the new Police Headquarters at Arsenal Street. Marine borings, which reveal the nature of the sea-bed, were carried out continuously and the results were used in the design of the new Star Ferry Piers and the exploration for sand deposits so necessary for the major reclamation schemes.
127. The Government Diver and his crew had a wide variety of tasks consisting of the inspection and repair of the two 21" cross harbour water mains, the location, inspection and charting of wrecks in and around Hong Kong waters, the inspection of the Star Ferry Piers prior to their annual general repair, the survey and demolition of underwater obstructions by means of an improvised adaptation of the war time "Bee-hive" type of explosive charge and complete underwater progress inspections of all reclamation, sea wall and pier projects.
128. Miscellaneous tasks carried out during the year where as follows:
(a) The removal of an obstruction to the East-West runway at Kai Tak Airfield known as the "Flat-Topped Hill." This scheme involved the removal of 80,000 cubic yards of earth by directly employed labour, utilizing the P.W.D. "R.B. 19" Bucket Excavator, 3 "Ransome" 4 Cubic Yard Tippers and 4 Tipping Lorries. The monthly average quantity of spoil moved was 10,000 cubic yards which was tipped at Ma Tau Kok to reclaim 108,000 sq. ft. of valuable building land from the sea. (b) Supervision of public dumping into sea reclama- tion areas to which contractors' lorries brought debris from house demolitions, site formations, old road materials and spoil from slides. The total volume of debris dumped amounted to 304,000 cubic yards.
PRODUCT
32
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