corrigendum - supply , installation and commissioning of ups systems along with 5 years comprehensive amc after expiry of defect liability period ( group-a ) refer technical specifications , scope of work and boq . , online ups of minimum 5 kva capacity ( without battery bank ) . supply , installation & commissioning: one each at hmrbpl-rajbandh , andal , raghudevpur and bardabar ( w . b ) . detail technical specifications and scope of work as per annexure-a and annexure-d respectively . , battery bank containing 20 nos . 100 ah , 12 v smf battery along with rack enclosure & other accessories such as interconnecting cables , lugs etc . supply , installation & commissioning: one set each at hmrbpl-andal , raghudevpur and bardabar ( w . b ) detail technical specifications as per annexure-b , 5 years comprehensive amc of each 5 kva ups after expiry of defect liability period of two years . location: hmrbpl-rajbandh , andal , raghudevpur and bardabar ( w . b ) standard terms & conditions of comprehensive amc as per annexure-d , buy back of old battery 12v , 100ah , exide powersafe plus location: hmrbpl-raghudevpur ( w . b ) . details as per annexure-d . , buy back of old 5 kva online ups , make & model: matrix-mx5000location: hmrbpl-andal ( w . b ) . details as per annexure-d .