job contract for operation and maintenance of e and m installations and various capacity of dg sets at katihar acs for the year 2020-21 , providing maintenance services of electrical & mechanical installations viz 11 kv power supply system of substation / power house , transformers , 11 kv vcbs , avrs & lt panels , fire alarm system , dg sets . covering the scope of operation , repairs & maintenance , attending faults / breakdowns rectifications , ensuring serviceability / satifactory working condition of the systems , preventive maintenance on daily / weekly / monthly / quarterly / halfyearly / yearly basis , maintenance of records / documentation etc . as per scope of work given in special conditions of contract shall be ensured round the clock by the aduquate manpower ( ie . in three shifts basis , each shift of 8 hours ) on all days including sundays & holidays at mssr and dvor site at katihar & as per direction of eic . , annual maintenance contract of following make dg sets ( engine+panel ) including amf panel with other accessories from oem / authorised service agencies . job includes monthly visit for carrying out preventive maintenance & attending any number of breakdown calls as & when required , minor repairs etc . as per manufacturers recomondations / standard practice and as per the scope of work , complete as required . , 25 kva soundproof kirloskar green dg set- 03 nos . ( one at mssr & two nos . at dvor ) . , 160kva dg set { engine- cummins model no 6bta5 . 9 g5 , alternator -stampford } at mssr katihar . -01 no . , 250 kva dg set { engine-cummins model no 6cta8 . 3 g4 , alternator - crompton } at mssr katihar . - 01 no . , supply of b-checks kit & carried out of b-check of following dg sets as given specification & terms & condition etc as required . , 25 kva soundproof kirloskar green dg set- 03 nos . ( one at mssr & two nos . at dvor ) . b check kit consist of following materials as per under given below . ( i ) air filter-01 ( ii ) fuel filter-01 ( iii ) diesel filter-01 ( iv ) lube oil- 7 . 5 ltr ( v ) coolent-01 . , 160kva dg set { engine- cummins model no 6bta 5 . 9g5 , alternator -stampford } at mssr katihar . ( i ) air filter-01 ( ii ) fuel filter-01 ( iii ) diesel filter-01 ( iv ) lube oil- 40 . 0 ltr ( v ) coolent-01 . , 250 kva dg set { engine-cummins model no 6cta8 . 3g4 , alternator - crompton } at mssr katihar . ( i ) air filter-01 ( ii ) fuel filter-01 ( iii ) diesel filter-01 ( iv ) lube oil- 40 . 0 ltr ( v ) coolent-01 . , supply of 12volts 150 ah lead maintenance free battery make - exide ep150 or equivalent . , providing maintenance services of fire alarm systems installed at mssr & auto dialer at dvor , attending faults / breakdowns rectifications , ensuring serviceability / satifactory working condition of the systems , preventive maintenance as per oem , maintenance of records / documentation etc . as per scope of work given in special conditions of contract as per direction of eic . ( note:- materials shall be provided by aai ) .