drawn up for the development of a further 18 acres at Ho Man Tin to provide sites for schools and a start was made on investigating the feasibility of developing new towns at Castle Peak and Sha Tin, both in the New Territories.
5.03. As in previous years a large proportion of Public Works Department subsoil investigations was carried out under an annual contract administered by this office. This practice facilitated the collection of subsoil information and a growing library of investigation data was available for reference. Greater emphasis was again placed on drilling and percussion boring as these methods proved more reliable and justified the extra cost. A summary of work carried out is given in the following table:
Development Office Other Offices Totals No. of investigation Sites No. of stations Total depth (ft.) No. of investigation Sites No. of stations Total depth (ft.) No. of investigation Sites No. of stations Total depth (ft.) Penetrometer Drilling 3 26 1,012 6 79 2,373 9 105 3,385 3 8 745 7 40 2,217 10 48 2,962 Percussion 6 43 2,919 6 43 2,9195.04. At the end of the year 14 contracts were in hand, excluding the work undertaken by Consulting Engineers at Kwai Chung. The following table summarizes the development schemes under construction:
Location Area to be formed (acres) Estimated Cost ($M) Area completed (Acres) Expenditure to 31.3.64 ($M) Remarks Kwun Tong New Town 641.20 100.00 528.70 58.80 Additional area of 53 acres at Sau Mau Ping included. Sites for residential and community use: Stage IX excluded; site formation will now be carried out by Waterworks Office. Ho Man Tin Development 98.50 21.30 18.70 3.40 Sites for low cost housing and private development. Road works continuing. Gross area revised. Valley Road 25.00 4.5 25.00 4.00 Lung Cheung Road Development Area No. 3 47.00 7.50 36.00 2.30 Original area extended by 4 acres. Kwai Chung North Development Area 9 90.00 22.00 10.00 1.70 Sites for resettlement low cost housing and workers' housing. Total 876.70 150.80 593.40 66.2037