上补洛大桥到冲孔桩施工方案.doc

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1、First compliance review of the application of the appraisal Committee, only through the compliance review of the application to take part in a detailed review. 8.1 application compliance review: does not meet one of the following conditions, procuratorial Agency to submit application through complia

2、nce reviews, be invalidated: (1) application of the formats, contents, meet the requirements of selected files, powers of Attorney, declarations by the legal representative and the tender agent application to meet the requirements; (2) licence and a bidding agent qualifications meet the requirements

3、; (3) the similar project tendering agency agent number and provide proof of material compliance; (4) the tendering Agency intends to put into this project the number of professionals to meet the requirements; (5) are intended to the agent of the project as a project manager has similar projects the

4、 number of and references to meet the requirements; (6) no fraud case. 8.2 application review in detail the Evaluation Committee through compliance reviews will be selected for detailed review of the application. 8.2.1 tender agent institutions similar project tender performance requirements (16 poi

5、nts) tender agent institutions similar project tender performance 16 points, by two part composition (1) agent similar project of cumulative bid amount scored calculation rules for: Agent water project bid amount (on January 1, 2007 has has bid notice for associate) cumulative each reached 100 milli

6、on Yuan have 2 points, water project cumulative bid amount scored up not over 6 points. In addition, completes a bid worth more than 500 million yuan in total 1 minute, but other items score accumulated winning amount up to a maximum of 6 points. (2) calculation rule for the number of agents similar

7、 projects: proxy bid amount (since January 1, 2007 winning notice shall prevail) bidding projects in more than 50 million Yuan by 2 points, but the Agency projects the number of scores up to 3 minutes. 8.2.2 to be agents of the construction project as a project manager in the same project performanc

8、e (10 points) Project Manager agent performance scores including agents of the bidding agencies of similar projects, as well as in other similar project tendering agency service agent during performance. Total 10 Project Manager agent performance, made up of two parts (1) acting like the accumulated

9、 winning amount calculation rule: agents for water conservancy project bid amount (since January 1, 2007 winning notice for example) cumulative average reached 100 million Yuan 3 but scored no more than 5 minutes. (2) calculation rule for the number of agents similar projects: proxy bid amount (sinc

10、e January 1, 2007 winning notice for example) in the more than 50 million Yuan water conservancy project period of 3 minutes, but scores the number of agents similar projects up to a maximum of 5 points. Project Manager demonstrated to provincial-level and higher peoples Government or the developmen

11、t and Reform Commission published the winning bidder on the designated media publicity shall prevail. 8.2.3 staff requirement (25 points) 1, to the construction project serving personnel, 4 years experience in tendering agent, 2 points per person, 2 years experience in tendering agent .Pig is not a

12、pig. With domestic international market and technology big environment of changes, as China traditional industry of pig production of job way and profit way are requirements related industry for resources integration, to quality security for premise, regulation based farming, and management cost and

13、 the production, and sales cost, go standardization, and scale, and intensive, and market road, fast upgrade whole industry chain of regulation capacity, market competition capacity and anti-risk capacity. First, industry analysis (a) the basic situation in China is a traditional hog production and

14、consumption country, 2008 46.15 million tons of pork, pig stock 462.64 million head by the end pig slaughter 609.6 million. National pig industrys annual production value at around 650 billion yuan, nearly 50% per cent of annual output value of animal husbandry. Sichuan province in 2008 produced 6.5

15、2 million tons of pork, with 694,000 tons of Chengdu city, live pig sell 10.46 million, first 15 Vice-provincial cities in the country. The whole nation advantage regional planning (2008-2015) there are 437 counties (cities), 55, Sichuan, Chengdu has 7 (including in pengzhou). International pig indu

16、stry mainly include the European Union, the United States, and Canada, and Brazil and other absolute scale of animal husbandry industry and technology developed countries. Market 1, the domestic market from Chinas meat consumption habits and economic analysis of the development situation, the emerge

17、nce of new trends in the market of domestic pork and its products. Docking is a pig production and sales more closely. The Yangtze River Delta, Pearl River Delta and the Bohai rim economic developed area industrial structure adjustment gathered pace, two or three industries to the Central and Wester

18、n bias. Second, the rigid domestic consumption growth. For a long period, pork is still the largest variety of meat consumption in China, the absolute consumption continues to grow. Especially in the vast rural market growth potential. Third, market for pork and higher product quality requirements.

19、Pollution-free pork safety and health has shown a very good market prospects. Four is the market changing. Currently, cold meat, more and more varieties of meat and pork meat products, which accounted for a large proportion of pork consumption, stores, chain stores, supermarkets and other marketing

20、methods is on the rise, and transport has been extended to more than 2000 km in RADIUS. Chengdu is an important River pig resource market, the citys commercial rate reaches above 60% of live pigs, pork and raw materials primary processing products in the domestic and international reputation is high

21、. Western hog trading center in Chengdu and provides disease-free areas of construction in order to further accelerate the development of swine industry realizes space and conditions. 2, the international markets at present, annual volume of trade in live pigs in the world year around 18 million, ab

22、out 6 million tons of pork trade. A large net exporter of pork is mainly the EU and North America,-importing countries mainly in Asia, Japan, and Korea, and Singapore, the Philippines, Hong Kong and other countries and regions, as well as Russia, about 3 million tonnes were imported. It is predicted

23、 that the world meat consumption increase of 80% in Asia in the future, our country has obvious geographical advantages, export potential. With the advancement of live pigs superiority industry belt construction, animal disease .香丽高速公路第7合同段工程项目 冲孔灌注桩施工方案 香丽高速公路第7合同段上补洛大桥冲孔桩基施工方案编 制 人:_审 核 人:_批 准 人:_

24、实施日期:_单位名称:云南建工第四建设有限公司 香丽高速第7合同段一工段项目经理部 编制日期:2015.9.23目录第一章、编制依据及原则4编制依据4编制原则4第二章、工程概况52.1、设计概况52.2、施工自然、地质条件52.2.1、地质条件62.2.2、气候、水文8第三章、冲孔灌注桩施工工艺73.1、施工准备83.1.1现场准备83.1.2、机械准备83.1.3、劳动力计划93.1.4、材料准备93.1.4、进度计划11 3.2、施工工艺流程图123.3、冲孔桩基施工工艺及工序133.3.1、桩基测量定位133.3.2、泥浆池和沉淀池分布原则133.3.3、埋设护筒133.3.4、成孔施工

25、方法133.3.5、清孔153.3.6、测沉渣153.3.7、安放钢筋笼153.3.8、下灌注导管173.3.9、水下砼灌注173.3.9、施工发生的异常情况和处理防治措施19第四章、质量、安全、文明施工204.1、质量保证措施204.1.1、质量检验程序图204.1.2、工程质量控制指标、检验频率及检验办法214.1.3、分项工程报验程序214.2、材料质量保证措施214.3、桩基主要施工危险源及应对措施224.4、冲孔灌注桩施工中相关机械、人员安全操作规程254.4.1、桩机安全操作规程254.4.2、装载机安全操作规范264.4.3、钢筋弯曲机操作规范274.4.4、电气焊工及设备安全操

26、作规范284.4.5、电焊机安全操作规范294.4.6、氧气乙炔安全使用规程304.4.7、钢筋笼制作及吊装安全操作规程324.4.8、混凝土灌注过程安全操作规程344.5、施工用电安全354.6 、雨季施工技术措施364.6.1、雨季施工部署364.6.2、雨季施工技术措施364.6.3、雨季施工作业安全用电防护措施37第一章 编制依据及原则1.1 编制依据(1)、香丽高速公路第7标段两阶段施工图设计;(2)、我国现行公路、桥涵工程施工规范及质量检验评定标准; 、公路桥涵施工技术规范JTJ041-2000; 、公路施工手册桥涵(上册);、公路工程集料试验规程-JTJ085-2000; 、公路

27、工程质量检验评定标准-JTJ071-98;、钢筋焊接及验收规范-JTJ18-96;、建筑桩基技术规范(JGJ 94-2008) 、公路工程技术标准(JTG B01-2014) 、云南省高速公路施工标准化实施要点第1册工地建设 、云南省高速公路施工标准化实施要点第2册工程施工(3)、现场实际情况和通过调查所掌握的有关资料信息。 (4)、我公司的综合实力、机械设备能力、技术力量和类似工程建设的经验。1.2 编制原则(1)、严格遵循招标、投标文件的内容及设计文件要求,确定本工程的创优规划,并据此来编制施工组织设计。 (2)、仔细考察工程实地,认真研究招标、投标文件、设计图纸和有关规定,充分考虑本桥的

28、特点、场地、交通、水文、运输、料源、民情、水电供应、气候等实际情况的基础上编制。4.1 application of the Chinese language application for proxy bidding agency application system. 4.2 bidding agent applications should be submitted by the Agency included in the 5th chapter of the content, and than select file asked to provide appropriate docu

29、mentation. 4.3 proxy application shall affix its official seal coding and page by page in the specified location. Agent a copy of the application shall have to number the pages and signed original copy (copy) (including supporting documents), and copy should be exactly the same. 4.4 application ther

30、e shall be no loose pages. 4.5 agent application should be complete with indelible ink (powdered) prints, the agent shall not alter any page of the application. 4.6 bidding agencies offer should be based on the interim measures for the management of tendering agents service charges (meter prices 200

31、21980) rules of the Nineth, tender agent service charges using the difference progressive billing rate. Charges in accordance with the tendering agents service charges and, in conjunction with the provisions of the specific circumstances of the project shall not be floating up and down-floating rang

32、e must not exceed 20%, otherwise the application cannot pass compliance checks, be invalidated. Due to bidding agency selection and principal-agent contracts signed during charging base bid amount has not yet been produced, it can only be according to the rates of price, bid and the bid amount deter

33、mines after the end, controlled response rates calculated shall pay tender fee (tender agency fee accounts for the actual bidding agent item for fares). Than the selected person tendering agents service charge control the upper and lower limits, Cap for the State Development Planning Commission of t

34、he interim measures for the management of tendering agents service charges (meter prices 20021980) of tendering agents service fees under 100%, the lower limit for the State Development Planning Commission of the interim measures for the management of tendering agents service charges (meter prices 2

35、0021980) of tendering agents service fees under 80%. Tendering agents service charge base should include the following tenders: construction, supervision and material over the above tenders are expected to be important, with each tendering agency entrusted with tender bid amount as a base for a sepa

36、rate computation of tendering agents service fees. Tendering agents service fee payment in accordance with the General Office of the State development and Reform Commission on tendering agents service charge of notification on the relevant issues (the change price 2003857). Sale of prequalification

37、documents and solicitation documents going to choose all, pricing should be based on the principle of profit not files, must not violate the relevant provisions in the price Department. 4.7 requirements in the form of application proxy application shall be prepared in the 5th chapter of the format.

38、Application of various supporting documents should be requested by the selection of files grouped by order. Comparison and selection of the bidding agencies must provide supporting documents required by the file; the file you selected does not have the required supporting documents, bidding agency a

39、cknowledged the need to provide, or you can provide. Proxy application shall be bound, and page-by-page coded in the order. 5th chapter application format notes: bidding agent .云南建工第四建设有限公司 37 / 38GUANGXI ROAD & BRIDGE CORP第二章 工程概况1、工程概况上补落大桥(K68+010)位于香格里拉至丽江高速公路SJ1合同段,设计为双向四车道左右分离式桥梁,桥面宽度为12m,设计速度

40、80Km/h,汽车荷载标准:公路一级,地震动峰值加速度:0.3g,地震基本烈度度:8度。本桥为跨越山谷而设,最高主墩108m,主跨为连续刚构,是本合同段的控制性工程之一。大桥左幅桥梁全长429m,起点桩号:K67+796,终点桩号:K68+225,桥跨布置为:(229)m连续T梁+(83+150+83)m连续刚构+(225.8)m连续T梁。右幅桥梁全长472m,起点桩号:K67+759,终点桩号:68+231,桥跨布置为:(330)m连续T梁+(83+150+83)m连续刚构+(230)m。上补洛大各桥墩及左幅丽江台下部基础设计为孔桩基础,桩基按摩擦桩设计。主桥墩设计桩基础为群桩基础,地形位置

41、较平整,桩长分42m、44m两种,引桥位于两侧山谷坡上,地形较陡,设计桩长较短,分别为13m、15m、19m、21m、22m,由于受地形限制及结合桩长情况,主墩桩基较深,位于河坝渗水丰富,采用冲孔桩,其它桩基较短,位于山坡地形,适合采用人工挖孔桩。2、施工自然、地质条件2.1自然条件工区内属受季风影响的大陆性高原气候,气候特征表现为干湿季节分明,垂直变化显著,山区气温较低,金沙江河谷两岸较炎热;年、日气温变化均大,年内最高温度在金沙江河谷地区,高达30(6月)以上,高山地区最低温度为-30(12月),并发育现代山岳冰川;根据气候的垂直差异,可分为高山寒带与山地温带、河谷亚热带三个垂直气候带,海

42、拔20002500米的山地温带年平均气温为12.913.5,降雨量894.6927.4毫米,蒸发量2177.12399.9毫米,相对湿度63.669.3%;2500米以上的高山寒带11月次年5月为雪季,气温一般为-12-25,79月为雨季,平均降雨量为617.6毫米,49月间时有冰雹袭击,气候较恶劣;2000米以下的河谷亚热带气候炎热,年平均气温18,降雨量较少,一般700毫米以下。2.2地质构造桥位地处山地斜坡中下部,属构造侵蚀、溶蚀中山地貌区,地形相对较陡,植被茂密,桥位处地质作用以流水冲蚀、重力、风化作用为主。综合地质调绘、物探及钻探资料,场地岩土构成自上而下分述如下。1)、覆盖层场区地

43、表覆盖层主要为第四系冲积层块石土、第四系残坡积块石土、第四系残坡积碎石土,现分别叙述如下:第四系冲积层块石土:灰黄色、灰褐色,稍湿,中密,块石成分以板岩为主,由碎石和粉质黏土充填。承载力基本容许值550kpa,摩阻力标准值180kpa;第四系残坡积块石土:浅灰绿色,湿,密实,块石成分以玄武岩、板岩为主,由碎石圆砾充填,承载力基本容许值650kpa,摩阻力标准值200kpa;第四系残坡积碎石土:灰黄色、黄褐色,稍密,碎石以板岩为主,由粉质黏土及角砾充填。承载力基本容许值350kpa,摩阻力标准值120kpa;第四系残坡积碎石土:灰黄色、黄褐色,中密,碎石以板岩为主,由粉质黏土及角砾充填。承载力基

44、本容许值450kpa,摩阻力标准值160kpa;2)、基岩场区下伏基岩按岩体节理裂隙发育及风化程度分为三叠系上统、强风化板岩、三叠系上统中风化板岩。 三叠系上统、强风化板岩:灰褐色,强风化,泥质胶结,变余结构,板状构造,节理裂隙发育,多呈碎石状,承载力基本容许值500kpa,摩阻力标准值140kpa。 三叠系上统中风化板岩:灰褐色,中风化,泥质胶结,变余结构,板状构造,薄中层状,多呈碎石状。承载力基本容许值700kpa,摩阻力标准值160kpa。 3、施工交通、用水、用电 3.1、施工交通 原有村公路可直接到达施工现场,可满足材料、设备运送,交通较为方便。施工场地内沿线路走向修筑施工便道通至每

45、个墩台,便道过河在河道上搭设贝雷桥。 3.2、工程用水、用电 3.2.1、工程用水 在施工现场有小河从所设计桥下通过,雪山融水,常年不断,河水清澈干净,可保证施工现场用水,施工用水可考虑在河道边修筑施工用水水池。 3.2.2、施工用电 长远施工用电架设施工动力专用输电线路进入施工现场;由于供电线路还没有开始架设,现在施工在即,为满足施工用电需要,先前桩基施工采用柴油发电机发电,根据12台冲孔机即配套设备、钢筋笼加工等计算用电量,需配备2台500KW的柴油发电机供急用以及以后施工备用。第三章 冲孔灌注桩施工工艺3.1 施工准备3.1.1施工准备1)、调查现场及周边地区,对设计提供的地质、水文、气

46、象资料进行复核,复核施工图纸的桩位、高程及桥梁跨径、桥台位置与地形是否一致。2)、所需用机械设备及施工人员、辅助人员全部到位,机械设备性能良好,能满足施工需要。3)、根据设计要求结合实际情况,编制冲孔灌注桩单项施工组织设计,向施工技术人员进行一级技术交底及安全交底,向班组和民工个人进行详细的二、三级技术、安全、操作交底。确保施工过程中的质量及人身安全。4)、平面高程测量,由测量人员根据设计图纸放样定位确定各孔桩位置及场地平整高度。 5)、钻孔场地进行杂物清除、换除软土、平整压实,周围设置排水措施。3.1.2机械设备配备序号机械设备名称规格型号单位数量总功率(KW)1冲孔灌注桩桩机台122挖掘机PC210台1117 KW3钢筋切断机台14电焊机台25气割设备套16砼搅拌机台17发电机台2500KW8电焊机500A台53.1.3、劳动力组织序号名 称人数工 作 范 围1桩机组长4桩机操作2桩机技术工2桩机行走、定位3电焊工2钢筋焊接4机械修理工1机械保养和维修5砼工8砼拌制及浇灌6钢筋工6钢筋笼加工安装7电工1施工用电线路搭设和连接8测量工1放轴线和桩位9工长1现场指挥、生产计划安排合计283.1.4、材料准备序号名称型号单位数量备注1钢筋28t602钢筋16t33钢筋10t104混凝土C30m3500商供3.1.5施工进度计划 上补洛大桥主墩(左幅3、4号

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