石家庄市城市轨道交通预留工程中山广场站管线保护方案目录一、编制依据······························································································1二、工程概况······························································································1三、管线概况及核查·····················································································13.1通信管线························································································13.2上水管线························································································23.3下水管线························································································23.4电力管线························································································33.5燃气管线························································································33.6热力管线························································································4四、目前管线迁改状况··················································································4五、一期围护桩施工管线保护方案··································································45.1地下管线重要性等级划分···································································45.2保护总体思路··················································································55.3施工前控制·····················································································65.4施工过程控制··················································································65.5监控量测························································································95.6管线巡视······················································································10六、应急准备····························································································116.1成立应急救援小组··········································································116.2应急物资准备················································································116.3组建抢险队,进行应急知识教育培训··················································126.4进行应急演练,提高应急救援能力·····················································126.5各相关方联系电话··········································································12七、应急响应····························································································13石家庄市城市轨道交通预留工程中山广场站管线保护方案1中山广场站围护桩施工管线保护实施方案一、编制依据1、石家庄市城市轨道交通预留工程及车站土建施工招标文件和补遗文件;2、石家庄市城市轨道交通预留工程及车站土建施工图设计;3、石家庄市城市轨道交通预留工程岩土工程详细勘察报告;4、石家庄市城市轨道交通预留工程地下管线探测报告;5、石家庄市城市轨道交通1#线一期工程初步设计区间结构图;6、《石家庄市轨道交通一期工程岩土工程勘察报告》(初步勘察阶段)(北京城建勘测设计研究院有限责任公司);7、《石家庄市城市轨道交通一期工程沿线建(构)筑物调查报告》(北京城建勘测设计研究院有限责任公司);二、工程概况中山广场站为地铁1号线与3号线换乘车站,换乘方式为T型换乘。3号线负三层与1号线负二层之间设联络线长240.00m。3号线车站中心里程为CK6+949.362,车站为地下三层岛式站台车站,站台宽14.0m,车站长261.59m,结构标准段总宽度23.3m,高21.18m,本站线路平面为直线,车站纵向坡度为2‰上坡,覆土3~3.5m,采用双柱三跨三层矩形钢筋混凝土框架结构。1号线车站中心里程为K8+656.300,为地下双层岛式站台车站,站台宽14m,车站长280.38m,结构标准段总宽度23.1m,高13.89m,采用双柱三跨双层矩形钢筋混凝土框架结构。车站共设4座风亭,5个出入口,1号线东侧设配线区。三、管线概况及核查车站处于石家庄市繁华地段,中华大街与中山西路十字交叉路段,地下管线较多,主要有通信、给水、雨水、污水、电力、燃气、热力等管线。材质埋深详见附表《管线核查表1-1》,具体情况统计如下:3.1通信管线电信管线包括中国移动、中国联通、中国电信、广播电视、有线电视、铁通、交管等。主体结构范围内的管线有12条。其中,东西走向有6条(包括横穿中华大街的4石家庄市城市轨道交通预留工程中山广场站管线保护方案2条),南北走向6条(横穿中山西路2条)。一期围挡范围内:中山西路中心线以南2条,中华大街西侧围挡内2条。具体管线位置如下图所示:图3-1电信管线图3.2上水管线主体结构范围内的管线有8条。其中,东西走向有4条(包括横穿中华大街的1条),南北走向5条(横穿中山西路1条)。一期围挡范围内给水管线中山西路西段南侧1条,中山西路东段南侧给水1条已经废除,中华大街西侧围挡范围内给水管线1条未废除。具体管线位置情况如下图所示:图3-2上水管线图3.3下水管线主体结构范围内的雨水管线有12条。其中,东西走向有3条,南北走向9条(横穿中山西路7条)。主体结构范围内的污水管线有7条。其中,东西走向有5条(横穿石家庄市城市轨道交通预留工程中山广场站管线保护方案3中华大街1条),南北走向2条(横穿中山西路1条)。一期围挡范围内中华大街西侧给水拱沟1条,中山西路中心线以南污水管线2条。具体管线位置情况如下图所示。图3-3下水管线图3.4电力管线主体结构范围内的管线有5条。其中,东西走向有2条,南北走向3条(横穿中山西路2条)。一期围挡范围内只有中华大街西侧非机动车道上有1条电力隧道。具体管线位置情况如下图所示。图3-4电力管线图3.5燃气管线主体结构范围内的管线有2条。其中,东西走向有1条,南北走向1条。一期围挡范围内中山西路南侧有一条东西走向的煤气管线。具体管线位置情况如下图所示。石家庄市城市轨道交通预留工程中山广场站管线保护方案4图3-5燃气管线图3.6热力管线主体结构范围内的管线有5条。其中,东西走向有3条(横穿中华大街3条),南北走向2条。一期围挡范围内横跨中华大街同庆路上有1条热力管线。具体管线位置情况如下图所示。图5热力管线图四、目前管线迁改状况截止目前2013年7月15日,中山广场站管线迁改情况详见附表2《管线迁改情况明细表》.五、一期围护桩施工管线保护方案5.1地下管线重要性等级划分石家庄市城市轨道交通预留工程中山广场站管线保护方案5(1)根据破坏后果划分地下管线根据其破坏后果分为3个等级,详见表5-1。表5-1地下管线重要性等级划分重要性等级破坏后果管线性质中山站等级划分功能直径(m)Ⅰ很严重,重大国际影响或非常严重的国内政治影响,经济损失巨大。自来水管总管、煤气管总管、雨、污水管总管﹥0.7中华大街东侧给水D1000mm和西侧的雨水拱沟2.2*2.4m以及热力隧道1.6*2.0m.中山西路中心线南污水D800水泥管。中山西路南侧国防光缆1.3*0.4m。Ⅱ严重,严重政治影响,经济损失较大。自来水管刚性支管、煤气管支管、雨、污水管支管、市话、通信。0.3~0.7中山西路西段南侧煤气管线D300mm,中山西路南侧给水管线D300,中山西路南侧通信管线0.3*0.4m。Ⅲ一般,有一定的政治影响和经济损失。自来水管柔性支管。﹤0.3中华大街西侧给水管线D300。(2)根据压力和使用情况划分地下管线根据压力和使用情况,分为Ⅰ(有压管线)、Ⅱ(无压管线)、Ⅲ(无压其他管线)。地下管线控制指标参考值见表5-2。表5-2地下管线控制指标参考数值表重要性等级地下管线控制指标倾斜率控制值Ⅰ(有压管线)≤10≤0.002Ⅱ(无压雨水、污水)≤20≤0.005Ⅲ(无压其他管线)≤30≤0.0045.2保护总体思路保护原则:中山广场站一期围挡内围护桩基施工本着:“首先考虑避开管线的施工,石家庄市城市轨道交通预留工程中山广场站管线保护方案6每打一根桩,探沟探测先行,管线周围3m范围内不得施工”的原则,为控制管线变形不超过允许值,对管线做好施工前控制和施工过程控制。5.3施工前控制施工前成立项目管线保护领导小组。项目经理任组长,项目副经理任副组长,组员包括施工技术部、安全质量部及测量队成员及工区负责人。1、项目副经理组织小组成员认真研究设计图纸中的既有管线,对图纸中管线数量、种类、埋深情况等进行统计,并积极走访有关职能部门,尽可能收集有关管线的详细资料。2、开挖施工前,项目副经理组织小组成员对区间施工影响范围内所有的管线进行一次现场探沟普查,对管线的性质、材料、埋深、和围护桩的关系等方面进行实地详细调查并形成影像资料,并采用不同颜色的油漆在地面上进行标记。同时,调查清楚管线的管井、阀门开关控制位置,对调查处的在管线资料里没有的管线,严格按照要求履行相关手续。3、邀请建设单位、设计单位、监理单位及相关管线产权单位,针对本项目下穿管线的基本状况,召开施工配合会,就管线现状及施工过程中的管线保护措施进行商讨。4、在施工前对管线进行安全评估,取得其能承受的沉降和差异沉降的有关数据;5、对围护桩附近较近的管线,特别是国防光缆,施工前探明其位置基础上设置专人和明显标识提醒光缆边线外