Town, by the late receipt of materials from England and also by late receipt of information from the plant manufacturers. (viii) Site formation at Aberdeen Resettlement Estate
Formation work on this site was completed during the year and 15 acres of land for resettlement building were formed.
Maintenance and Dredging
4.20. General maintenance and repairs were carried out to a number of Government piers, seawalls, breakwaters, markers and light beacons. The two departmental dredgers removed a total of 125,200 cu. yds. of spoil, mostly from nullahs, sewer outfalls and pier approaches and the division's divers carried out underwater inspections of foundations, blockworks, seawalls, piers, pumphouses and pipelines. A total of 459 hours was spent underwater.
Boring and Surveys
4.21. 223 marine boreholes totalling 5,846 ft. were sunk and vane tests carried out at various sites in the Colony waters. 166 land boreholes totalling 1,585 ft. were sunk at Chai Wan, Cha Kwo Ling, Staunton Creek and Silver Mine Bay.
4.22. Hydrographic and shoreline surveys were carried out at Shap Long Bay and Silver Mine Bay, Lantau Island and Yim Tin Tsai, Sai Kung District, for the formation of typhoon shelters. Echo sounding surveys along the proposed routes of the cross-harbour tunnel from Causeway Bay to Hung Hom were made on behalf of the Consulting Engineers for the tunnel and on the cross-harbour main from North Point to Tai Wan on behalf of the Waterworks Office. Float tests, current meter and current velocity observations were also carried out.
General
ROADS AND DRAINAGE DIVISIONS
Chief Engineers:
Hong Kong Island: H. D. STEAD, M.Sc., D.I.C., A.M.I.C.E.
Kowloon: G. A. G. SAPSTEAD, A.M.I.C.E.
New Territories: T. K. HUM, M.Eng., A.M.I.C.E., M.E.I.C.
4.23. By far the greater proportion of the work of the Civil Engineering Office is in connexion with the design, construction and maintenance of roads and drainage works throughout the Colony. To
Town, by the late receipt of materials from England and also by late receipt of information from the plant manufacturers. (viii) Site formation at Aberdeen Resettlement Estate
Formation work on this site was completed during the year and 15 acres of land for resettlement building were formed.
Maintenance and Dredging
4.20. General maintenance and repairs were carried out to a number of Government piers, seawalls, breakwaters, markers and light beacons. The two departmental dredgers removed a total of 125,200 cu. yds. of spoil, mostly from nullahs, sewer outfalls and pier approaches and the division's divers carried out underwater inspections of foundations, blockworks, seawalls, piers, pumphouses and pipelines. A total of 459 hours was spent underwater.
Boring and Surveys
4.21. 223 marine boreholes totalling 5,846 ft. were sunk and vane tests carried out at various sites in the Colony waters. 166 land bore- holes totalling 1,585 ft. were sunk at Chai Wan, Cha Kwo Ling, Staunton Creek and Silver Mine Bay.
4.22. Hydrographic and shoreline surveys were carried out at Shap Long Bay and Silver Mine Bay, Lantau Island and Yim Tin Tsai, Sai Kung District, for the formation of typhoon shelters. Echo sounding surveys along the proposed routes of the cross-harbour tunnel from Causeway Bay to Hung Hom were made on behalf of the Consulting Engineers for the tunnel and on the cross-harbour main from North Point to Tai Wan on behalf of the Waterworks Office. Float tests, current meter and current velocity observations were also carried out.
General
ROADS AND DRAINAGE DIVISIONS
Chief Engineers:
Hong Kong Island: H. D. STEAD, M.Sc., D.I.C., A.M.I.C.E. Kowloon
: G. A. G. SAPSTEAD, A.M.I.C.E.
New Territories
: T. K. HUM, M.Eng., A.M.I.C.E., M.E.I.C.
4.23. By far the greater proportion of the work of the Civil Engineering Office is in connexion with the design, construction and maintenance of roads and drainage works throughout the Colony. To
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