wz污水管网施工方案.doc
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1、Gay is now a provincial key construction project of aluminum Ltd-province with an annual output of 50,000 tons of technical innovation project of environmental protection and energy saving of electrolytic aluminum project manager. In this technological transformation projects, he has overall respons
2、ibility for the day-to-day affairs of the project. In order to ensure that southern companys control the scale of investment, strengthen field management, pay special attention to project progress, and ensure a successful operation, the overall goal. He and Engineering Department under the leadershi
3、p of all the staff in the companys technical command, on the difficulties and to overcome technical difficulties in the process, work hard, have made outstanding achievements, mainly reflected in the following aspects: first, careful organization and management achieved remarkable results. Technical
4、 innovation project of the year, started and completed a series of bids and completed to date, from production engineering to put into production after nearly a year, has achieved very significant results. A project first 56 slots from dismantling the old slot just 168 days, civil engineering, insta
5、llation, commissioning, guarantee engineering quality under the premise, on the production side transformation under difficult conditions, created the national industrys fastest speeds. II 32 large prebaked electrolytic cell on November 7 has been installed, marks has an annual production capacity o
6、f 50,000 tons of electrolytic aluminum production capacity of aluminum. Entire project almost 8 months earlier than planned, achieved the goal of production transformation benefits that year, created favorable conditions for aluminum through South. Second, effectively control the investment. Project
7、 is subject to a scientific approach to bidding, bidding to make savings of 20 million Yuan, in the implementation process of the project, every domestic prices of steel, cement and other building materials, the old buildings on the base encountered great difficulties in dealing with significant inc
8、rease in the volume of civil engineering, but through rationalization and optimization, project control in fixed investment of 350 million Yuan. Third, environmental energy-saving effect of the project. Project investment of nearly 30 million Yuan, using large prebake technology and aluminum oxide d
9、ense phase and hyper dense phase conveying technology, fluoride and other harmful gases purification efficiency of up to 98%. Compared with Soderberg cell before the modification, power consumption can be reduced by 1500 tons of electrolytic aluminum, and project environmental protection and energy
10、saving effect is obvious. Four are in a relatively short period of time to the normal production. After four months of efforts, a project has put into operation all the 54 240KA large cell into regular production, stable current channel conditions and all the economic indicators are good, current ef
11、ficiency in October had reached 93%, is close to and reach the domestic advanced level. In the case of production half of the cell, this effect can be achieved and better level in the industry. 50,000 tons of electrolytic modification process, from preliminary study to equipment selection, cost cont
12、rol, project progress, quality control and coordination among the various sub-projects and various professional, technical command under the correct leadership, both from an overall perspective, emphasis on integrity, and earnestly implement the relevant laws and regulations, strictly act according
13、to the contract. He tried to learn relevant knowledge, good style of business, operational and organizational coordination ability, project efficiency, quality and safety assurance system in place, with all units involved with the coordination and good . 目 录第1章 编制说明及依据.第2章 工程概况.第3章 本工程施工重点及总体施工规划.第4
14、章 施工前期准备工作.第5章 施工组织机构和人员.第6章 施工总平面布置及说明.第7章 地面交通维护.第8章 施工总进度计划及工期保证措施.第9章 主要施工资源及使用计划.第10章 质量目标及质量保证体系第11章 主要施工方法及技术措施.第12章 环境保护措施.第13章 文明施工措施.第14章 应急救援预案.第15章 安全生产保证体系及保证措施.第16章 施工节约技术措施第17章 工程各项目配合措施第十八章 成品保护措施与工程保修承诺第一章 编制说明及编制依据第一节 编制说明本施工组织方案编写的内容是根据招标文件要求、投标文件的承诺,并根据我司的实际情况和以往类似工程的施工经验,积极响应招标文
15、件及业主的各项要求,进行科学、合理的安排和组织。本施工组织设计主要内容包括:总体部署、前期准备工作、总平面布置、地面交通维护、进度计划及工期保证措施、资源使用计划、质量目标设计、主要施工方法及技术措施、环保措施、质量保证措施、文明施工措施等。第二节 编制依据污水处理厂首期工程施工组织设计的编写,主要是以下列信息和文件资料作为依据:1、给水排水管道工程施工及验收规范(GB50268-2008)2、埋地高密度聚乙烯中空壁缠绕结构排水管道工程技术规程(DBJ/T15-33-2003)3、埋地聚乙烯排水管道工程技术规程(CECS164:2004)4、给排水工程顶管技术规程(CECS246:2008)5
16、、埋地排水用钢带增强聚乙烯螺旋波纹管管道工程技术规程(CECS223:2007)6、混凝土和钢筋混凝土排水管(GB/T11836-1999)7、顶进施工法用钢筋混凝土排水管(JC/T640-1996)8、埋地用聚乙烯(PE)结构壁管道系统第2部分:聚乙烯缠绕结构壁管材(GB/T19472.2-2004)9、给水排水构筑物工程施工及验收规范(GB50141-2008)10、混凝土结构工程施工质量及验收规范(GB 50204-2002)11、城市道路路基施工及验收规范(CJJ 44-91)12、城镇道路工程施工与质量验收规范(CJJ 1-2008)13、公路桥涵施工技术规范(JTJ041-2000
17、)14、公路工程质量检验评定标准(JTG F80/1-2004)15、其他与之相关的国家法律、法规和地方性法规第二章 工程概况第一节 工程简介 开鲁县污水处理扩建及中水回用工程新建污水管网14.574km.第二节 工程施工地理环境1、人工填土层(Qm1)素填土:呈褐红、紫红色,由人工回填的砂岩、泥岩风化土组成,局部呈黄褐色,由人工回填的粉细砂、粘性土组成,为新近填土,经初步压实,土质不均匀。层厚0.712.80m,底板埋深0.712.80m,底板标高-4.614.11m。工业大道路段顶部为1-2层5-20cm厚的石粉路基垫层及1-2层15-30cm厚的素混凝土路面。压实填土地基承载力特征值建议
18、采用fak=150Kpa。2、第四系冲淤积层(Qa1)根据颗粒特征及沉积顺序,可细分为如下5个亚层:(1)粉质粘土:土层主要呈黄褐、土黄色等,局部呈深黄或深黄褐色,很湿饱和,可塑硬塑,局部软塑,土质较纯,遇水后粘塑性较强。层厚0.57.40m,顶面标高-4.616.60m,顶面埋深0.7012.8m。地基承载力特征值建议采用fak=150Kpa。(2)淤泥、淤泥质土:深灰色,局部灰黑色,饱和,流塑状,以粘粒为主,含多量腐木碎屑、碎块,含粉砂及有机质。层厚0.9014.90m,厚度变化大,顶面标高-8.021.78m,顶面埋深1.1013.40m。地基承载力特征值建议采用fak=50Kpa。(3
19、)粉细砂:深灰色,局部灰色,饱和,松散稍密状,成分以石英为主,局部夹微薄层泯炭土或粗砂,大部分粒径细小,分选性差。层厚0.808.40m,顶面标高-14.810.60m,顶面埋深8.3018.60m。地基承载力特征值建议采用fak=80Kpa。(4)粉土、粉质粘土:深黄色、青灰色,局部呈黄杂青灰、褐红及黄褐色等,土质不均部分含多量粉砂,相变为粉土,局部夹微薄层粉砂,粘塑性强弱差异大。粉质粘土呈饱和,可塑硬塑;粉土呈湿,密实状。层厚0.615.2m,厚度变化大,顶板埋深2.5019.40m,顶板标高-15.233.53m。地基承载力特征值建议采用fak=150Kpa。(5)淤泥、淤泥质土:深灰色
20、,局部灰黑色,饱和,流塑状,局部含多量腐木碎屑、碎块或含多量粉砂。层厚0.909.30m,厚度变化大,顶面标高-8.12-4.72m,顶面埋深9.0012.80m。地基承载力特征值建议采用fak=60Kpa。(6) 粉土、粉质粘土:青灰色,土质不均,含粉砂及中粗砂粒,部分含粉砂量多,相变为粉土,局部夹微薄层粉砂,粘塑性强弱差异大。粉质粘土呈饱和,可塑;粉土呈湿,密实状。层厚0.71.60m,顶板埋深10.0018.90m,顶板标高-14.22-5.72m。地基承载力特征值建议采用fak=150Kpa。(7) 粉细砂:青灰、黄、浅黄及灰色等,饱和,稍密,成分以石英为主,粒度不均,含少量粉粘粒,局
21、部含(夹)中粗砂及卵砾或粉质粘土薄层,灰色者含少量腐木碎屑,分选性极差。层厚0.904.00m,顶面标高-8.10-1.20m,顶面埋深10.0016.00m。地基承载力特征值建议采用fak=120Kpa。4、第四系残积层(Qe1)残积土:土层呈深黄、褐黄、褐红、紫红、青灰白色等,由粉质粘土、粉土及粉细砂、中砂组成,为粉砂质泥岩、泥质砂央及粉砂岩、中砂岩风化残(坡)积产物。粉质粘土呈饱和,可塑硬塑状态;粉土呈湿,密实状态;砂土呈饱和,稍密中密状态。层厚0.4016.30m,顶板埋深1.6020.20m,顶板标高-15.616.49m。地基承载力特征值的经验值建议采用fak=200Kpa。5、第
22、三系基岩(E)基岩岩性为砂岩(粉砂岩、细砂岩),在钻孔揭露深度内,揭至全、强、中风化带。(1)强风化砂岩:褐红、紫红、紫、黄及青灰色等,岩性主要由数值砂质泥岩、泥质粉砂岩及粉砂岩等组成,局部为细砂岩、中粗砂岩。岩石风化强烈,岩质较松软,岩芯多呈半岩半土状。本岩层以强风化岩为主,局部见夹中、微风化岩薄层。层厚0.5029.50m,顶面标高-22.8410.64m,顶面埋深0.0027.00m。地基承载力特征值建议采用fak=600Kpa。(2)中风化岩:紫红色、暗紫红色,岩性由粉砂质泥岩及粉砂岩等组成,中厚层状,岩质较硬,岩忒较完整,多呈长柱状。本岩层以中风化岩为主,局部常夹薄层强风化岩。厚度1
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