supply of head stock for lhb type coach , head stock for lhb type coach (with arrangement of biological tank), to drawing / specifi cation no. rcf drg. no. le11460, sheet 1 to 4, alt. nil, specification: mdts-21261, rev-03. the materia l of the top flange (drg. no. le11284 & le11285) should be as per rdso/spec. c k201, designation / gr ade x2crni12 (ferritic steel). stage inspection: as per mdts-21261, rev-03 dt. 20.03.2020, in stage ins pection clause 16(i) is not to be followed as these two items are sub part of front part, not the sub part of head stock. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]