Ice Loading on Transmission Lines

Obviously, light, medium, and heavy are descriptive terms that mean different things in the two countries. Most of India is too warm to worry about icing.

https://www.mapsofindia.com/maps/india/annualtemperature.htm

In explanation...

Reference link...

0.952 cm, eh? Why not 0.951 or 0.953, or better yet simply 1.0? Who could ever achieve such precision in the field, anyway?

Maybe this is a "hard" conversion from American specs (ASCE?) to metric? Since the American spec may be a SWAG method, a bit of rounding on the conversion would seems to be reasonable.

When I was doing this stuff, I think we would get 3 loading conditions out of this: Ice, Wind on a different icing condition, wind (hurricane), and maybe others such as a broken wire. Of course the different loadings are going to change the line tension which would affect corner poles. The electric company would give the loading conditions to the pole designer. It was surprising how much the tension would go down if the broken wire condition was on a pole with a suspension insulator (as opposed to a dead end connection.) Adding the suspension insulator length to the line length caused the tension to reduce a bunch!

A1) They are not equivalent.

A2) Most of India is too warm to consider icing.

Consider also that the lines themselves will be running generally above ambient temperature due to i²R losses and insolation.