tender for providing operation and camc of substation & ea sets and operation of pac plant in te building, kellys,chennai. (for the year 2024-26) (1st recall).; operation & comprehensive maintenance of following electromechanical services at t.e bldg kellys as per specification and details of services (inventory) etc. attached.a.brief of services under operataion and camca) (1x630 kva)+(1x400 kva), 11kv/433v indoor oil type transformer substation- 1 set along with ht / lt panels, pf panels,switch gears, sfus and allied itemsb)1 no. 500 kva & 1 no. 125 kva ea setsalong with panels,cabling and allied switchgearsb.brief of services under only operation a) 3 x 7 tr high precision pac plant alongwith panels and accessories in switch room