a 前言 .......................................................................................................................................................... 1 1 总则 ...................................................................................................................................................... 3 1 .1 编制目的 ....................................................................................................................................... 3 1 .2 编制原则 ....................................................................................................................................... 3 1 .3 编制依据 ....................................................................................................................................... 4 1 .3 .1 法律 ...................................................................................................................................... 4 1 .3 .2 行政法规及部门规章 ........................................................................................................... 4 1 .3 .3 地方法规............................................................................................................................... 4 1 .3 .4 技术指导与规范 ................................................................................................................... 5 1 .3 .5 有关技术文件及资料 ........................................................................................................... 5 1 .4 目标 ............................................................................................................................................... 5 1 .5 服务年限 ....................................................................................................................................... 6 2 项目及项目区概况 ......................................................................................................................