supply of set of air brake pipe ( fp ) for twin pipe air brake system in blc wagon module. ( one module of blc consisting of 02 sets of blca wagon and 03 sets of blcb wagon ) . as per annexure enclosed.set of air brake pipe ( fp ) for twin pipe air brake system in blc wagon module. ( one module of blc consisting of 02 sets of blca wagon and 03 sets of blcb wagon ) . as per annexure enclosed., set of air brake pipe ( fp ) for twin pipe air brake system in blc wagon module. ( one module of blc consisting o f 02 sets of blca wagon and 03 sets of blcb wagon ) . as per annexure enclosed. [ warranty period: 30 months after the date of delivery ]