bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - telephone exchange; electrical system or installation; service provider 1.0 shifting of 30kva ups along with accessories including removing and disconnecting of cable battery terminals and dbs old battery metallic stand charger unit input and output cable input mcb db copper cable from panel to db and db to ups and charger unit and other related accessories from 5th floor to 1st floor including arranging electrician helper and labours etc as required 1 job 2.0 installation of 30kva ups along with battery and stand charger unit laying of existing cable in existing pipe tray and termination from ups to battery rack charger unit to battery rack connecting battery set checking of batteries voltage and resistance testing of ups and commissioning etc as required 1 job 3.0 fixing and installation of distribution board along with incoming mccb and outgoing mcbs for charger and ups including interconnection wiring cable termination with lugs testing and commissioning etc as required 1 job 4.0 laying of following size existing copper cable in existing conduit or trough from switch or raising main to mccb db charger unit and ups including termination etc as required. a 5x25sqmm or 16sqmm 20 mtrs 5.0 replacing of 12v 42ah sealed mtce free battery set including buyback of old battery set fixing and termination of battery set in existing rack and commissioning etc as required ms exide or superior make 16 nos 6.0 supplying and fixing of following sizes of heavy duty rigid pvc pipe with accessories on surface of wall or floor including saddling and making good the same etc as required a 32mm dia pvc pipe 12 mtrs 7.0 supplying and fixing of following sizes of heavy duty rigid pvc pipe with accessories on surface of wall or floor including saddling and making good the same etc as required a 40mm dia pvc pipe 12 mtrs 8.0 supplying and drawing following sizes of frls pvc insulated copper conductor single core cable in the existing surface or recessed steel or pvc pipe including termination with suitable size copper lugs etc as required a 5 x 10 sqmm total quantity :