Earth-Mat Design for 132/33KV, 45MVA X'mer S/s

option#1. IEEE 81

option#2. Outsource staff who capable to do it.

option#3. Award this job to a professional team.

I think it should be IEEE 80 and not IEEE 81.

IEEE 80 is

IEEE Guide for Safety

in AC Substation Grounding

and IEEE 81 is:

IEEE Guide for Measuring Earth

Resistivity, Ground Impedance, and

Earth Surface Potentials of a Ground

System

Find out this,

IEEE Std 80-2000 - IEEE guide for safety in AC substation grounding

H.E