supply of aoh maintenance schedule of tap changer consisting of 15 nos. un-common items + 10 nos. hardware items= 25 nos. un- common items of make m/s. repl make (bt type ) as per annexure.aoh maintenance schedule of tap changer consisting of 15 nos. un-common items + 10 nos. hardware items= 25 nos. un- common items of make m/s. repl make (bt type ) as per annexure.,aoh maintenance schedule of tap changer consisting of 15 nos. un-common ite ms + 10 nos. hardware items= 25 nos. un- common items of make m/s. repl make (bt type ) as per an nexure. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] electric loco in stores/bksc, jharkhand 36.00 set ser electric loco shed stores/kgp, west bengal 58.00 set