supply of set of pri.springs for vb/tsset of pri.springs for vb/ts,one coach set of primary springs for vb/train set coaches to ec engineering drg.no.mt18br2 001448-8 -8 nos (primary inner) & mt18br2 001449-8 -8 nos(primary outer) m anufacturing of spring to be as per m/s. ec engineering specification no mt18br2 001470-10. s pecial condition :-suitable packing to be done to avoid damage during transit, unloading a nd rust prevention during storage-there will be minor modification in design. firm may be advised to collect final drawing before manufacturing. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]