xx污水处理厂选址论证

工程名称：污水处理厂建设项目选址论证报告设计阶段：论证报告编制单位：xxx城乡规划设计院xxx污水处理厂建设项目选址论证报告xx规划设计院xx年xx月xxxx污水处理厂建设项目选址论证1目录1概述··················································································31.1编制选址论证报告的目的················································31.2编制依据·····································································31.3选址原则·····································································42建设项目所在区域环境概况····················································52.1自然地理条件·······························································52.2气候条件·····································································52.3水文条件·····································································52.4地形地貌·····································································52.5社会及基础设施概况······················································53项目背景资料······································································53.1本项目服务范围·····························································53.2xx规划定位··································································63.3《xx控制性详细规划》污水处理厂定位·······························63.4江河饮用水水源保护区···················································63.5xx交通关系图·······························································64项目建设建设规模及用地面积·················································74.1建设规模······································································74.1.1人口规模预测·························································74.1.2城市污水排放量系数················································7xx污水处理厂建设项目选址论证24.1.3污水量预测····························································74.1.4建设工程规模························································94.2建设用地面积································································95污水厂的建设条件·······························································105.1地理位置·····································································105.2预留用地·····································································105.3防洪标准·····································································105.4供电电源·····································································105.5厂区供水·····································································115.6道路···········································································116污水厂的厂址比选·······························································117环境影响及对策··································································147.1工程建设环境影响及对策················································147.1.1工程建设对环境影响···············································147.1.2环境影响的缓解措施···············································157.2项目建成后的环境影响及对策··········································177.2.1污水处理厂对周围的环境影响···································177.2.2对环境影响的对策··················································188结论与建议········································································198.1结论······································································198.2建议······································································19xx污水处理厂建设项目选址论证3xx污水处理厂建设项目选址论证1概述1.1编制选址论证报告的目的因为《xx污水处理厂的可行性研究报告》选定的污水处理厂位置位于城市规划区范围内，但该地区的控制性详细规划正在编制中，为确保该项目的选址过程具有科学性、前瞻性、可行性，特编制此《选址论证报告书》，为决策领导提供科学的依据。1.2编制依据（1）xx规划和建设局《关于污水公司申请城西污水处理厂选址意见书的回复》（2）《xx中心城区总体规划》（3）《xx污水处理工程可行性研究报告》（4）《xx控制性详细规划》（11）主要设计规范及标准：《室外排水设计规范》GB50014-2006《室外给水设计规范》GB50013-2006《城镇污水处理厂污染物排放标准》GB18918-2002《城市污水处理工程项目建设标准》（建设部2001修订版）《城市排水工程规划规范》GB50318-2000；xx污水处理厂建设项目选址论证4《城市给水工程规划规范》GB50282-98；《污水综合排放标准》GB8978-1996；《污水排入城市下水道水质标准》CJ3082-1999；《地表水环境质量标准》GB3838-2002；《给水排水工程管道结构设计规范》GB50332-2002；《城市防洪工程设计规范》CJJ50—921.3选址原则（1）污水厂应设在地势较低处，便于城市污水自流入厂内，减少工程土石方量，沿途尽量不设或少设泵站提升。（2）污水厂宜设在水体附近，便于处理后的污水就近排入水体，并无需提升。排入的水体应有足够的环境容量，减少处理水对水体的影响。（3）厂址应位于集中给水水源的下游，或者达到饮用水水源保护区范围外的上游，并应在城镇、工厂厂区及居住区的下游和夏季主导风向的下方。（4）厂址应尽可能少占或不占农田，且应设在地质条件较好的地段，便于施工、降低造价。（5）厂址不宜设在雨季容易受淹没的低洼处。（6）污水处理厂选址应考虑污泥的运输和处置，宜靠近公路和河流。厂址处要有良好的水电供应。（7）选址应结合城市的总体规划，注意城市的近远期发展问题。xx污水处理厂建设项目选址论证5厂址用地还应考虑扩建的可能。2建设项目所在区域环境概况2.1自然地理条件。2.2气候条件。2.3水文条件。2.4地形地貌。2.5社会及基础设施概况。3项目背景资料3.1本项目服务范围详见“城市污水排水分区规划图附图”。xx污水处理厂建设项目选址论证63.2xx规划定位。3.3《xx控制性详细规划》污水处理厂定位。3.4江河饮用水水源保护区江河饮用水水源保护区一般划分为：（一）一级保护区：从取水点起算，上游１０００米至下游１００米的水域及其河岸两侧纵深各２００米的陆域；（二）二级保护区：从一级保护区上界起上溯２５００米的水域及其河岸两侧纵深各２００米的陆域；（三）准保护区：从二级保护区上界起上溯５０００米的水域及其河岸两侧纵深各２００米的陆域。3.5xx交通关系图详细见附图“xx污水处理厂选交通及水域环境分析图”。由此可以见，该片区已然成为xx的一个交通枢纽。在污水处理厂的配套管网建设过程中，需要结合《xx中心城区排水规划》对穿越上述交通设施时进行预埋涵管，以便污水管网的下一步实施之用。xx污水处理厂建设项目选址论证74项目建设建设规模及用地面积4.1建设规模4.1.1人口规模预测依据xx设计研究院编制的《xx污水处理工程》可行性研究报告，xx近期（xx年）人口规模为xx万人；远期（xx年）预测人口规模达xx万人。4.1.2城市污水排放量系数根据《室外排水设计规范》(GB50014-2006)，排水量可按当地用水定额的80%～90%采用，设计取80%。4.1.3污水量预测城市设计供水水量主要由以下几部分组成：（1）综合生活用水量（包括居民生活用水和公共建筑用水）；（2）工业企业用水；（3）道路浇洒和绿化用水；（4）管网漏损水量；（5）未预见水量；（6）消防用水。自来水厂设计规模由上述前五项组成。其中道路浇洒和绿化用水、管网漏损水量、消防用水不会进入城市污水管道系统。根据《xx中心城xx污水处理厂建设项目选址论证8区总体规划》xx污水处理厂的服务区域内几乎没有工业用地。因此，次区域内城市污水主要由综合生活用水和未预见水量产生。综合生活用水量标准，按《室外给水设计规范》GB50013-2006该城区属一区，近期（xx年）综合生活用水量采用220L/d·人；远期（xx年）采用250L/d·人，其他用水指未预见水量及管网漏失水量按最高日用水量的15%计取。综合用水量标准预测计算见表4-2。生活用水量预测计算表（按综合生活用水量标准法）表4-1序号项目单位近期（xx）远期（xx）备注①综合用水量