Page 63
Boring
SITE INVESTIGATION AND SURVEY
240. The marine and land boring units carried out the following investigations :
(1) Marine Boring
116 boreholes totalling 2,653 feet were sunk at Yung Shue Wan, Sai Kung, Silver Mine Bay, Tathong Point, Shek Kwu Chau, Central District, North Point, Jordan Road, Tsim Sha Tsui and Kwun Tong.
The maintenance contractor was called upon to sink bores during a period when the departmental boring barge was under overhaul. 23 bores completed at Sham Chung, Lai Chi Chong, Ping Chau (Mirs Bay) and High Island amounted in all to 388 feet.
Vane tests were carried out in connexion with site investigations and the design of foundations for breakwaters at Aberdeen.
(2) Sand Survey
A survey of the Colony's sand resources by the Sand Monopoly contractor commenced in October 1960. By the end of the year deposits totalling 2,908,000 cubic yards had been located at Ma Wan, Joss House Bay, Tung Wan and Tong Fuk Miu Wan.
(3) Land Boring Surveys
69 boreholes totalling 1,336 feet were sunk at sites on Smugglers Ridge, Castle Peak Road, Tsuen Wan, Ap Lei Chau, Sai Kung, Stanley Beach, Lam Tong Island, Kwun Tong, Kowloon Tong and Pok Fu Lam Road.
241. The following surveys were carried out :
(1) Progress surveys in connexion with Tsuen Wan Zone 1, Cheung Chau ferry pier and seawall, Kwun Tong site formation and seawall, Tung Chung pier, Ma Wan pier, causeway to Kellett Island, Hung Hom reclamation, Naval Dockyard reclamation and Silver Mine Bay seawall.
(2) Surveys for proposed reclamations and breakwaters at Aberdeen, Central Reclamation, Stanley and the area off K.M.L. 111, Jordan Road.
(3) Surveys for the siting of piers at Tsim Bei Tsui, Nam Sang Wai, Shek Kwu Chau, Pui O, Lam Tong Island, Island House (Tai Po), Ting Kok and Po Sam Pai (Plover Cove), Sha Tau Kok and Shau Kei Wan.
(4) Surveys, with details of construction, of Victoria Permanent Pier No. 12, a pier at Tai Kok Tsui and the Kowloon coaling chamber.
(5) Tide level observations in Tolo Harbour.
(6) Current measurements in Rambler Channel and off Lai Chi Kok.
(7) Soundings and prickings at Hei Ling Chau, Tai Long Wan, test trench near Chau Kung Island, Tai Lam Chung, So Kwun Wat, Fat Tong Mun, Tsing Yi typhoon shelter, Tap Mun, Kat O, North Point, Datum
Page 49
På 63
Boring
SITE INVESTIGATION AND SURVEY
240. The marine and land boring units carried out the following investigations :
(1) Marine Boring
116 boreholes totalling 2,653 feet were sunk at Yung Shue Wan, Sai Kung, Silver Mine Bay, Tathong Point, Shek Kwu Chau, Central District, North Point, Jordan Road, Tsim Sha Tsui and Kwun Tong.
The maintenance contractor was called upon to sink bores during a period when the departmental boring barge was under overhaul. 23 bores completed at Sham Chung, Lai Chi Chong, Ping Chau (Mirs Bay) and High Island amounted in all to 388 feet.
Vane tests were carried out in connexion with site investigations and the design of foundations for breakwaters at Aberdeen.
(2) Sand Survey
A survey of the Colony's sand resources by the Sand Monopoly contractor commenced in October 1960. By the end of the year deposits totalling 2,908,000 cubic yards had been located at Ma Wan, Joss House Bay, Tung Wan and Tong Fuk Miu Wan.
(3) Land Boring
Surveys
69 boreholes totalling 1,336 feet were sunk at sites on Smugglers Ridge, Castle Peak Road, Tsuen Wan, Ap Lei Chau, Sai Kung, Stanley Beach, Lam Tong Island, Kwun Tong, Kowloon Tong and Pok Fu Lam Road.
241. The following surveys were carried out :
(1) Progress surveys in connexion with Tsuen Wan Zone 1, Cheung Chau ferry pier and seawall, Kwun Tong site formation and seawall, Tung Chung pier, Ma Wan pier, causeway to Kellett Island, Hung Hom reclamation, Naval Dockyard reclamation and Silver Mine Bay sea- wall.
(2) Surveys for proposed reclamations and breakwaters at Aberdeen, Central Reclamation, Stanley and the area off K.M.L. 111, Jordan Road.
(3) Surveys for the siting of piers at Tsim Bei Tsui, Nam Sang Wai, Shek Kwu Chau, Pui O, Lam Tong Island, Island House (Tai Po), Ting Kok and Po Sam Pai (Plover Cove), Sha Tau Kok and Shau Kei Wan. (4) Surveys, with details of construction, of Victoria Permanent Pier No.
12, a pier at Tai Kok Tsui and the Kowloon coaling camber.
(5) Tide level observations in Tolo Harbour.
(6) Current measurements in Rambler Channel and off Lai Chi Kok. (7) Soundings and prickings at Hei Ling Chau, Tai Long Wan, test trench near Chau Kung Island, Tai Lam Chung, So Kwun Wat, Fat Tong Mun, Tsing Yi typhoon shelter, Tap Mun, Kat O, North Point, Datum
49
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