Tenders for Supply of Brake Pipe Hose With Coupling To Rdso Drg. No.Sk-73547 Item 01 To 07. Alt.13 And The Hose Pipe Length To Be Maintained As 900+/-12 Mm In Place Of 654+/-12Mm In The Drg To Rdso Spec. 02- Abr-02, Appendix F With Amendment No.1 Of Feb07 And Amendment -No, 4 Of Sept.2016 For Demu/Dpc.