supply of ioh maintenance schedule of tap changer consisting of 22 nos. un-common items + 17 nos. hardware items = 39 no. un-common items of m/s. repl make (bt type) as per annexure.ioh maintenance schedule of tap changer consisting of 22 nos. un-common items + 17 nos. hardware items = 39 no. un-common items of m/s. repl make (bt type) as per annexure.,ioh maintenance schedule of tap changer consisting of 22 nos. un-common items + 17 nos. hardware items = 39 no. un-common items of m/s. repl make (bt type) as per annexure. [ warr anty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] electric loco in stores/bksc, jharkhand 17.00 set ser electric loco shed stores/kgp, west bengal 4.00 set