前言........................................................................................................11总论................................................................................................21.1项目概况及编制依据.......................................................................................................21.2建设必要性......................................................................................................................31.3编制范围、内容和要求...................................................................................................41.4城市概况..........................................................................................................................51.5燃气供应现状..................................................................................................................61.6燃气规划简介..................................................................................................................71.7近期工程内容简述...........................................................................................................82气源分析........................................................................................92.1气源概述..........................................................................................................................92.2气源的确定....................................................................................................................102.3气质参数........................................................................................................................103供气规模及气化范围..................................................................113.1供气原则及气化范围.....................................................................................................113.2用气量指标.....................................................................................................................113.3不均匀系数....................................................................................................................123.4用气量计算....................................................................................................................133.5气量平衡及供气规模.....................................................................................................154燃气输配系统设计......................................................................175场站工程......................................................................................185.1近期场站..............................................................................................................................185.2远期场站..............................................................................................................................226燃气管网工程..............................................................................236.1压力级制........................................................................................................................236.2管网系统构成................................................................................................................236.3管网布置........................................................................................................................246.4穿跨越工程...............................
