淮河流域重点平原洼地治理工程里下河川东港工程大丰区境内川东港水文站拆建工程设计变更盐城市水利勘测设计研究院设计证书编号设计证书编号A132005118电力研究院设计证书编号设计证书编号A132005118二○一六年九月川东港水文站拆建工程设计变更批准:夏军核定:吴士华审查:彭大胜项目负责人:王勇主要完成者:王勇倪阳吕晓云郭亚娟盐城市水利勘测设计研究院设计证书编号设计证书编号A132005118二○一六年九月目录1综合说明................................................................................................................................................12气象及水文............................................................................................................................................22.1流域概况.....................................................................................................................................22.2气象...........................................................................................................错误!未定义书签。2.3特征水位...................................................................................................错误!未定义书签。3工程地质................................................................................................................................................43.1区域地质.....................................................................................................................................63.2工程地质.....................................................................................................................................64工程等级标准......................................................................................................................................85变更设计..............................................................................................................................................95.1川东港闸上水位自记台移位......................................................................................................95.2川东港闸上水位自记台移位工程量变更...............................................................................105.3走航式ADCP变更为铁塔缆道测流系统................................................................................116投资概算............................................................................................................................................186.1编制依据...................................................................................................................................186.2编制结果...................................................................................................................................2111综合说明川东港整治工程位于江苏省盐城市和泰州市境内,自西向东穿过泰州的兴化和盐城的东台、大丰三市,是《淮河流域重点平原洼地除涝规划》确定的里下河腹部地区主要排水入海通道之一。川东港工程以保障里下河区域防洪安全、排涝减灾为重点,拓浚整治里下河腹部东西向骨干河道车路河经川东港入海的通道,增强里下河南部高水区外排能力,有效降低兴化、溱潼洼地水位,实现南部高水高排、北部低水低排的功能分工。川东港工程在保障川东港流域5年一遇排涝能力的基础上,在10年一遇兴化水位2.5m时,增加里下河腹部地区直接排水入海流量200m3/s。川东港工程在原老河道基础上拓浚整治,由车路河、丁溪河、何垛河、老川东港、川东港新老闸之间等5个河段组成,拓浚总长度90.6km(不含新闸上游1.05km,该段已列入川东港闸工程实施完成),其中车路河1...