1 目 录 一.设计说明 ·············································································· 1 1 概述 ....................................................................................................................................... 1 1.1 工程概况 ............................................................................................................................ 1 1.2 设计依据 ............................................................................................................................ 1 1.3.设计范围及分工 ................................................................................................................ 1 1.4 主要工程量 ........................................................................................................................ 1 2 工程投资与技术经济指标 ·························································· 1 3 通信管道段落 ········································································· 2 3.1 路由选定原则 .................................................................................................................... 2 3.2 管道路由及保护 ................................................................................................................ 2 4 通信管道设计 ········································································· 3 4.1 管道平面设计 .................................................................................................................... 3 4.1.1 管道平面位置 ............................................................................................................. 3 4.1.2 人（手）孔型式及设置 .................................
