131
THE MAPPING OF HONG KONG
LARGE-SCALE PLANS
J. T. COOPER*
Rapid and intense development requires accurate and up-to-date large-scale plans. This is equally true of large housing or engineering projects. Where such plans are not available, all detailed planning and design must await their completion. This is particularly true of Hong Kong, where the steep terrain usually requires extensive earthworks before construction of buildings or roads can commence.
Another factor adding to the necessity for accurate large-scale plans in the Colony is the high value of land, especially in the built-up areas, where a square foot of land can be worth $300 or more.
The Survey Branch of the Crown Lands & Survey Office (a sub-department of the Public Works Department) is responsible, not only for all land surveying and mapping in the Colony, but for the demarcation of all lot boundaries in the urban areas, and the implementation of town-planning layouts. Hong Kong is one of the few Commonwealth territories where there are no licensed land surveyors in private practice.
With the intense development which began in the nineteen-fifties, the staff of the Survey Branch became fully occupied with title surveys, the setting-out of lot boundaries, Government sites, roads, etc., and was unable either to produce large-scale plans of all the areas planned for new development or to keep up to date the plans in the older areas where re-development caused many changes.
The city areas of Victoria, and the northern part of Hong Kong Island, together with most of the Kowloon peninsula (south of Boundary Street) had been mapped at 1/600 scale (50 ft. to one inch) before the war, but the plans had been plotted onto linen-backed paper, and in the climatic conditions of Hong Kong, they had become distorted and inaccurate. None of these plans
* Mr. Cooper is Assistant Superintendent (Survey), Crown Lands and Survey Office, Public Works Department, Hong Kong. Ed.