Traverse

Survey Stones
Specifications of Survey Marks:– Survey marks shall ordinarily be stone of durable quality namely granite stones of the following descriptions and dimensions.

  1. Field Stones:- Granite stones of durable quality roughly squared of approximate dimension 60 x 15 x 15 cm with plummet hole, 1cm deep cup on the top and a coconut tree mark 1cm deep cut on one side.

Theodolite stones:- Granite stones of durable quality roughly squared of approximate dimensions measuring 60 x 15 x 15cm with a plummet hole, 1 cm deep cut on the top and a coconut tree mark 1 cm deep cut on the side (G.O.(P).367/76/RD dated: 3rd March 1976