Pashchimanchal Vidyut Vitran Nigam Limited Tender

33 KV Line Isolator 800 A.

Installtion of following material as per RESPO norms complete in all respects : -

33 KV Fuse Set.

33 KV Bus Isolator 800 A.

33 KV Line Isolator 800 A.

Dismantling of following item from various site of work and carriage from work site to J.E's store / central store including loading & unloading at both ends.

33 KV Bus Isolator Damaged.

33 KV Line Isolator Damaged.

Providing & Fixing of Fuse set connecting clamp for ACSR Panther.

PROVIDING AND INSTALLATION OF CHEMICAL EARTHING FOR SWITCHGEARS (WITH ALL MATERIAL AND LABOUR) AFTER INSTALLATION RESISTANCE SHOULD BE LESS THAN ONE OHM. AS PER FOLLOWING (The all material and labour shall be provided by the contractor with 12 month guarantee for resistance value less than one OHM.) :-

Providing of earth elctrode for chemical earthing Pipe in pipe type proper hot deep galvanization dia 50 mm length 3 mtr - 32mm x 6mm terminal connection hole dia 8mm The cavity between the pipe & pipe is filled with conductive mixture - for hermetically filling inside the cavity i.e. between secondary conductor & primary conductor, crystalline compound is to be injected in the electrode assembly. It is a combination of high conductivity metal alloys, copper & aluminum power, conductive carbon / cement and bonding material etc the electrode should be sealed from both the ends. The outer pipe of the elctrode should be galavanized the characteristics of this compound is highly cnductive, non magnetic & non corrosive in G.I. Including providing of backfill compound each elctrode should be supplied with bags of 25 kg x 2 bfc compound (ground resistance enhancement powder 50 kgs each CPRI tested for Switchgears installed at 33/11 KV Substation.

Providing and fixing of GI strip of size 32 mm x 6 mm suitable for Switchgears installed at 33/11 KV Substation.

Providing and fixing of PVC Pit covers for above earthing electrode terminals.