Ranging Rods
- The ranging rods are used for ranging lines and to mark stations which are at greater distance.
- They are made of well seasoned straight grained timber of teak, blue pine, sisso or deodar.
- They are circular or octagonal in cross section of 3 cm nominal diameter and pointed metal shoe of 15 cm long is provided at the lower end to facilitate fixing in the ground.
- They are made of two sizes namely one of 2 m and the other of 3 m and are divided into equal parts each 0.2 m long.
- In order to make them visible at a distance, they are painted alternately black and white, or red and white or red, white, and black successively.
- When they are at a considerable distance, red and white and yellow flags about 25 cm square be fastened at the top to improve the visibility.