Construction of rail fencing and ballast wall at locations 11/1-11/35, 23/5-24/1 in between (SXC-HRO) and 2/3-3/19, 6/13-7/15 in between (BT-KBGH) in BT-HNB Section and at Km 20/14-20/20, 20/24-20/26, 20/19-20/23 , BT/1037-BT-1015(yard line) in bet