supply of end frame driving end asslyend frame driving end assly, 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.-1 ] [ alt.-7 ] , air outlet net as per clw drg. no. - 2twd.096.078 [ alt.- 2 ] with the following conditions:- [ 1 ] the square punch to be 12mm x 12mm x 12mm as against 11mm x 11mm x 11mm square. [ 2 ] the thickness of the sheet to be 2.5 mm as against 1.6 mm dy.cmm / ws / kgp- west bengal 20.00 numbers workshop elec loco