3.3 Cadastral survey
Cadastral survey constitutes an optional or provisional assignment for which contractor set out service only when directed by the engineer.
Prior to the survey initiated, contractor shall visit local registration office to obtain and collate existing data such as cadastral map, copy of register books, certificate of ownership, etc.
Survey will be carried out with reference to parameters of the adjacent control points or benchmarks in conjunction with existing data acquired from registration office. Scale will be 1/1200 or 1/600, or furnished otherwise as may be directed by the engineer.