新建铁路重庆至怀化线土建工程第X标段(DK363+073－DK381+000)全长26.055km范围内的改移道路、改河改沟、砍树挖树根、路基、桥涵、隧道、轨道（不含铺轨、铺岔、线路加强沉落整修）、房屋（不含电气化生产房屋及其附属工程）、其他运营生产设备及建筑物（不含站区建筑绿化工程）、大型临时设施、土建工程引起的过渡工程。不包括路基及隧道岩溶压浆整治工程。

New railway line in Chongqing to Huaihua X Civil Works Lot (DK363 +073- DK381 +000) within the full 26.055km road diversion, change river changed ditch, cutting trees dug roots, subgrade, bridges, tunnels, rail (excluding track-laying and laying turnout, line enhancing sink repair), housing (excluding housing and ancillary works electric production), other operating production equipment and buildings (excluding station building greening project area), large-scale temporary installations, civil works project due to the transition project. Does not include foundation training works and tunnel grouting Karst.