tender for replacement & new ac machine installation at the department of physics , palit building, rajabazar science college, cu, kolkata-9 , supply , installation & commissioning of voltas / carrier / daikin or equivalent machine 1.5 ton 3 star inverter 100% cu split ac machine including necessary cu insulation pipe & pvc drain pipe as per site condition ( approved by the eic ) ( 1st floor- scholar room- 2 nos, head, s office-1, meeting room-1 & small seminar room-1 gr floor- room no-17- 1 no ) , supply , installation & commissioning of voltas / carrier / daikin or equivalent machine 1.5 ton 3 star inverter 100% cu window ac machine including necessary cu insulation pipe with wrapping tape & pvc drain pipe as per site condition ( approved by the eic ) ( 3rd floor-room no-96 ) less: deduct of buy back of split machine -- 04 nos &window ac machine - -- 04 nos = total 8nos.