supply of one coach set of cushion for lwscn/pp2 seats and berths assembly consisting of a) item-4 to drawing 755-6-1-005, alt-a - 20 sets, b) item-3 to drawing 755-6-1 006, alt-a - 20 sets, c) item-4 to drawing 755-6-1- 009, alt-c - 20 sets, d) item-6 to drawing 582-6-1-006, alt-f - 20 sets, e) item4,5 to drawing 755-6-1-011, alt-a - 10 sets, f) item-4,5 to drawing 755-6-1- 012, alt-a - 10 sets, g) item-3 to drawing 755-6-1-013, alt-c - 10 sets. cushioning material shall be of pu foam conforming to rdso specification rdso/2007/cg 04, rev.01 or latest. note: firm has the option for offering seats and berths cushion with lower density of 65 plus or minus 5 kg/m3 conforming to spec. rdso/2007/cg-04,rev-01 or latest also