tender for drivers seat with pedestal assembly as per clws spec. no. clw/ms/3/021 (alt.6) & clwsdrg. no.1209-08-131-010 (alt.6) for crew friendly cab. firm should procure silicon foam as per rdso specnno. rdso/2013/cg-13 as indicated in clw speciication from valid rdso approved sources for the item only.