shown on the Contract Drawings and as described in Section 20500, Special Trackwork. Also place walkway aggregate around non-track underdrains and other areas as shown on the Contract Drawings. B. Place walkway aggregate only after ballast on main track has been completely surfaced, tamped, and dressed. Do not mix walkway aggregate with ballast for (v) The Permanent Way track diagram of the railway line showing the type of track and fittings when laid, type of ballast, type of formation with classification of soil (to be carried out as per RDSO's Circular No: GE-P1-May 2003), blanket thickness, type of formation trouble (if any) and indication of how the railway boundary is demarcated.

May 21, 2018 · In this video I have explained everything about sand Hump.It's work and it's advantages.Sand hump is a medium of Isolation and it isolates the main running line from other lines and sidings ... Shop unique Hump Day Posters on Redbubble. Hang your posters in dorms, bedrooms, offices, or anywhere blank walls aren't welcome. Jul 11, 2003 · When we were waiting for the Dy.SS of a station enroute, to give us the clearance for moving ahead, the Sr.DEN showed me the sand hump and gave me an idea of the RDSO design and the construction of a sand hump. Looking at the sand hump we recreated as to what must have probably happened in the Golconda accident.