supply of end frame driving end assembly (modified) with air outlet net , end frame driving end assembly (modified) with air outlet net for traction motor type 6 fra 6068 of wap7/wag9 locos as per ref.- 4 of clw drg. no.- 1twd.096.005 (alt.-11) and clw spec. no.- 4tms.096.068 (rev.-2) (alt.-1), air outlet net as per clw drg. no.- 2twd.096.078 (alt.-3) with the following conditions:- (1) the square punch to be 12mm x 12mm x 12mm as against 11mm x 11mm s quare. (2) the thickness of the sheet to be 2.5 mm as against 1.6 mm. [ warranty period: 30 month s after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]