Airports Authority of India CNS Manual Vol. V Ver. 2.0Lightning, Surge Protection and EarthingSystem for CNS Installations

The main objective of the electrical installation protection system is to limit overvoltages to values that are acceptable for the equipment.The electrical installation protection system consists of:one or more SPDs depending on the building conf

Sl. No. Item Description UoM Comments MSETCL side SN EARTHING 19.00 "EARTHING & LIGHTNING PROTECTION SYSTEM -Supply installation testing & commissioning of Earth mat comprises preparation of existing earth, welding of MS flat and appl

Chemical Earthing1) Chemical Earthing based on pipe in pipe technology or Flat in pipe technology 1) Conventional earthing based on Single strip with GI and copper plate earthing 2) Chemical earthing required less space only 8 to 10 inch bore requ