supply of intercar gangway mounting. drawing no: rcfs drawing no. 1 10113.0.24.100.001, alt. no.-r2, without item no. 4. material & specification: as per drawing and conforming to rdsos specification no. rdso/2007/cg-05 of june 2007 with corrigendum slip no. 2 of june 2015 & amendment slip no. 5 of august 2016.