循环泵房施工组织设计.doc

1 / 90 马来西亚民都鲁马来西亚民都鲁 209E 联合循环电站工程联合循环电站工程 Malaysia BINTULU 209E Combined Circulation Station Project 循环泵房循环泵房 Circulating Pumps Room 施施 工工 组组 织织 设设 计计 Construction Organization Desgin 2008 年 7 月 July 2008 2 / 90 1、工程概况、工程概况 GENERAL OF PROJECT .4 1.1、自然条件、自然条件 NATURAL CONDITION.4 1.2、工程地质及水文条件、工程地质及水文条件 GEOLOGICAL AND HYDROLOGICAL CONDTIONS.4 1.2.1、工程地质、工程地质 GEOLOGICAL CONDITION .4 1.2.2、水文条件、水文条件HYDROLOGICAL CONDITION.9 1.2.4、地下水、地下水 UNDERGROUND WATER.10 1.3 、气候条件、气候条件 CLIMATICAL CONDITION.11 1.3.1、气温、气温 TEMPERATURE.11 1.3.2、相对湿度及大气压力、相对湿度及大气压力RELATIVE HUMIDITY AND ATOMSPHERICAL PRESSURE .11 1.3.3、降雨量、降雨量AMOUNT OF RAINFASLL.12 1.3.4、风向频率、风向频率WIND FREQUENCY.12 1.4、地震烈度、地震烈度 SEISMIC INTENSITY.12 1.5、淡水供应、淡水供应 FRESH WATER SUPPLY.12 1.6、施工基本条件、施工基本条件 BASIC CONSTRUCTION CONDITTIONS .13RE 1.6.1、电源、电源 POWER SUPPLY.13 1.6.2、水源、水源 WATER SOURCE.13 1.6.3、临时道路、临时道路 TEMPORARY ROAD .13 1.6.4、施工场地、施工场地CONSTRUCTUION SITE.13 1.6.5、办公区、办公区OFFICES AREAS.14 2、施工准备、施工准备 CONSTRUCTION PREPARATION .14 2.1、施工组织准备、施工组织准备 PREPARATION FOR CONSTRUCTION ORGANIZATION.14 2.1.1、组建项目经理部、组建项目经理部ESTABLISH PROJECT MANAGER DEPT.14 2.1.2、技术准备、技术准备TECHNICAL PREPARATION.15 2.1.3、物资设备准备、物资设备准备PREPARATION OF MATERIALS AND EQUIPMENT .16 2.1.4、施工人员准备、施工人员准备PREPARATION OF CONSTRUCTING PERSONS .17 2.1.5、生产现场准备、生产现场准备PREPARATION OF PRODUCTION SITE .17 2.2、施工临时设施及现场布置、施工临时设施及现场布置 TEMPORARY CONSTRUCTION FACILITIES AND SITE ARRANGEMENT .18 2.2.2、施工用水、施工用水WATER USED FOR CONSTRUCTION.18 2.2.3、施工用电、施工用电POWER USED FOR CONSTRUCTION .18 2.2.4、施工道路、施工道路ROADS FOR CONSTRUCTION .19 2.2.5、弃土场、弃土场 EARTH DISCARDING AREA .19 3、施工方法及工艺流程、施工方法及工艺流程 CONSTRUCTION METHODS AND PROCESSES .20 3.1、施工方法概述、施工方法概述 GENERAL OF CONSTRUCTION METHODS.20 3.3、泵房沉井施工流程、泵房沉井施工流程 CONSTRUCTION FLOW OF PUMPS ROOMSUNK WELL.21 4、循环水泵房主要施工方法、循环水泵房主要施工方法 MAIN CONSTRUCTION METHODS OF CIRCULATING WATER PUMP ROOM.22 4.1、基本工艺、基本工艺 BASIC PROCESS.23 4.2、沉井分节高度、沉井分节高度 SUNK WELL SECTION HEIGHT .23 3 / 90 4.3、沉井基础处理、沉井基础处理 TREATMENT OF SUNK WELL FOUNDATION .23 4.3.1、基坑、基坑 FOUNDATION PIT.24 4.3.2、砂垫层铺设、砂垫层铺设 SAND BEDDING LAYING.25 4.4、各工序施工方法、各工序施工方法 CONSTRUCTION METHOD OF ALL STEPS .25 4.4.1、模板、模板FRAMEWORK.25 4.4.2、脚手、脚手 SCAFFOLD.26 4.4.3、钢筋加工与绑扎、钢筋加工与绑扎STEEL BAR FABRICATION AND BINDING .27 4.4.5、施工缝、施工缝 CONSTRUCTION JOINT.30 4.4.6、拆模、拆模 FRAMEWORK DISMENTLE.30 4.5、沉井下沉、沉井下沉 SUNK WELL SINKING.30 4.5.1、准备工作、准备工作PREPARATIVE WORKS .31 4.5.2、水力机械排水下沉、水力机械排水下沉 WATER DISCHARGING SINKING WITH HYDRAULIC MACHINES.35 4.5.3、水力机械不排水下沉、水力机械不排水下沉NON-WATER DISCHARGING SINKING WITH HYDRAULIC MACHINES.38 4.5.5、沉井下沉速率控制、沉井下沉速率控制VOLECITY CONTROL OF SUNK WELL SSINKING .41 4.5.6、常遇问题的预防及处理、常遇问题的预防及处理 PRECAUTION AND TREATMENT OF FREQUENT QUESTIONS .42 4.6、沉井封底、沉井封底 SUNK WELL BOTTOM SEALING.43 4.6.1、干法封底、干法封底 DRY-WAY BOTTOM SEALING.44 4.6.3、水下封底主要技术措施水下封底主要技术措施MAIN MEASURES FOR UNDERWATER BOTTOM SEALING.51 4.7 、钢筋混凝土底版浇筑、钢筋混凝土底版浇筑 POURING OF REINFORCED CONCRETE FOUNDATION SLAB.53 4.8、沉井二次混凝土及上部主体结构施工、沉井二次混凝土及上部主体结构施工 CONSTRUCTION OF SECONDARY CONCRETE AND UPPER STRUCTURE OF SUNK WELL.53 4.8.1、钢筋工程、钢筋工程 STEEL BAR WORK.53 5、泵房施工资源配备、泵房施工资源配备 RESOURCE ARRANGEMENT FOR PUMPS ROOM CONSTRUCTION.58 5.1、岗位设置及人员计划、岗位设置及人员计划 PLAN OF JOB POSTS AND PERSONNEL .58 5.2、施施工工机机械械设设备备CONSTRUCTING MECHINES.60 6、施工进度计划及保证措施、施工进度计划及保证措施 CONSTRUCTION SCHEDULE AND ASSURANCE MEASURES .63 6.1、泵房施工节点进度计划、泵房施工节点进度计划 SCHEDULE AND PLANNING OF PUMPS ROOM CONSTRUCTION STEPS .63 6.2、工期保证措施、工期保证措施 SCHEDULE ASSURANCE MEASURES.64 7、质质量量目目标标及及保保证证措措施施 QUALITY OBJECTIVE AND ASSURANCE MEASURES.67 7.1、质量目标、质量目标 QUALITY OBJECTIVE .67 7.2、质量保证措施、质量保证措施 QUALITY ASSURANCE MEASURES.67 7.2.1、总则、总则GENERAL RULES.67 7.2.2、砼工程施工、砼工程施工CONCREGTE WORK CONSTRUCTION.68 8、安全保证措施、安全保证措施 SAFETY ASSURANCE MEASURE.75 4 / 90 8.1、安全目标、安全目标 SAFETY OBJECTIVE .75 8.2、安全管理措施、安全管理措施 SAFETY CONTROL MEASURE.75 8.2.1、通用条款、通用条款GERNERAL TERMS.75 8.2.2、重点环节、重点环节IMPORTANT STEPS.E77 9、雨季施工措施、雨季施工措施 MEASURES FOR RAIN-SEASON CONSTRUCTION.81 9.2、雨季混凝土施工、雨季混凝土施工CONCRETE CONSTRUCTION IN RAIN SEASON.81 9.3、雨季施工其它注意事项、雨季施工其它注意事项OTHERS FOR CONSTRUCTION IN RAIN SEASON.81 10、附图、附图 ATTACHED PLANS.错误！未定义书签。 1 1、工程概况、工程概况 GENERAL OF PROJECT 1.1、自然条件、自然条件 Natural condition 该项目位于东马砂捞越州民都鲁市（BINTULU） ，本期扩建是在原有的 7#、8#两台 9E 开式循环燃机发电机组的基础上新建两台余热锅炉、一台汽轮 发电机组及相应的附属配套设施。 This project is located in BINTULU, Sarawak state, east Malaysia, this extension is to build 2 new residual heat boiler, 1 turbine- generator unit and relevant accessories based on the original two sets (#7 layer (6-2）has relatively complete lithology, its rock cores are mostly short-column shape, thickness is big, 拟建场地内分布的(3-1)、 （3-2）层粉细砂在 7 度地震力的作用下有产生液 化的可能，可液化层主要分布在拟建主厂房和海上引水管部分地段（地内分布 的（2-1）淤泥质粉质粘土及（5-1）层粉质粘土承载力特征值小于 80kPa。 The fine silt layers (3-1) seawater has a medium corrosion to both the steel bars in concrete structure and to steel 11 / 90 structure. 拟建场地同一孔中地下水位的大部分变幅不大，个别孔中的地下水位变幅 较大，估计是受大气降水影响所致。而在平面上各个孔中的地下水位埋藏深度 存在着一定差异，最浅 0.49m(见于附属建筑物地段地勘资料)，最深 3.27m(见于 循环水管地段地勘资料)。 Mostly, the underwater level in the same hole in the planed site varies no much, only a few holes are exceptional, probably due to precipitation. On plane, the underwater level of all the holes are various in burying depth, the shallowest 0.49m (see geological survey document of accessory buildings section), the deepest 3.27m (see geological survey document of circulating water pipe section ). 1.31.3 、气候条件、气候条件 ClimaticClimatic conditioncondition 电站地处海边的热带区域，气候炎热，空气潮湿、含盐雾。 The power station is located in seaside tropic zone, the climate is hot, air is wet and includes salt fog. 1.3.11.3.1、气温、气温 AirAir temperaturetemperature 年平均温度 26.7 Average annual temp. 日最高平均温度30.9 Highest average daily temp. 日最低平均温度: 23.5 Lowest average daily temp. 最高温度 36.3 Highest temp. 最低温度 19.2 Lowest temp. 1.3.21.3.2、相对湿度及大气压力、相对湿度及大气压力 RelativeRelative humidityhumidity andand atmosphericatmospheric pressurepressure 相对湿度每日的变化范围大约是 32。 12 / 90 Daily change range of relative humidity 32 年平均相对湿度85.9% Average relative annual humidity 最高大气压力 1065hPa Highest atmospheric pressure 最低大气压力 955hPa Lowest atmospheric pressure 1.3.31.3.3、降雨量、降雨量 RainfallRainfall 平均降雨量: 3759 mm (1951-2004) Average rainfall 年最大降雨量: 4692 mm Highest annual rainfall 年最小降雨量: 2900 mm Lowest annual rainfall 日最大降雨量: 222 mm Highest daily rainfall 月平均降雨量（19512004） Average monthly rainfall 项目 item 月份 Month 123456 降雨量 (mm) Rainfall 416268272251231259 项目 Rainfall 月份 Month 789101112 降雨量 (mm) Rainfall 250282309358415447 1.3.41.3.4、风向频率、风向频率 WindWind directiondirection frequencyfrequency 根据民都鲁（BINTULU）机场气象站 1975 年2003 年共 28 年风向频率资 料统计， 30 年最大风速为 31 m/s. 13 / 90 According to wind direction frequency statistics of BINTULU airport weather station during 1975-2003, highest wind speed is 31 m/s in 30 years 1.41.4、地震烈度、地震烈度 seismicseismic intensityintensity 地震水平加速度 0.05g Seismic horizontal acceleration 1.51.5、淡水供应、淡水供应 freshfresh waterwater supplysupply 电厂淡水水源来自城市生活饮用水管网。 Fresh water of power plant comes from the municipal life and drinking water pipeline network. 1.61.6、施工基本条件、施工基本条件 basicbasic constructionconstruction conditionsconditions 1.6.11.6.1、电源、电源 powerpower supplysupply 甲方为取水泵房、顶管、埋管施工提供 500kv 电源变压器，现场需要设置 配电房，现场施工和生活用电需要用电缆、电源控制柜分别引接到施工现场和 生活区； Party A shall provide 500kv power supply transformer for intake pumps room, jacking pipe and buried pipe, switching house shall be prepared, the power for site construction and life power needs to be respectively connected to construction site and life zone with cable and cubicle. 1.6.21.6.2、水源、水源 waterwater sourcesource 施工用水由甲方在距离施工现场 100 米范围内就近提供接口，生活用水目 前尚未形成环网，由甲方在生活区范围内就近提供接口，接口以下部分由我公 司自行解决。 Party A shall provide an interface within 100m away from construction site for the water used for construction work, at present, no life water ring network is established, party A shall provide interface as near as possible within life zone, the following part will be on us 14 / 90 1.6.31.6.3、临时道路、临时道路 TemporaryTemporary roadroad 现有一条临时道路进入施工区域附近，进场后需要从该道路引接一条施工 道路到达取水泵房、顶管等施工场地。 Now a temporary road has been accessible to construction zone and vicinity, one working road needs to be led to the construction sites of water pumps room and jacking pipes after accessing construction site. 1.6.41.6.4、施工场地、施工场地 ConstructionConstruction sitesite 施工场地由业主和甲方提供，分施工临建设施用地和施工用地，总面积约 11000m2。 Construction site will be provided by the owner or Party A, including temporary building land and construction working land, about 11000m2 in all. 1.6.51.6.5、办公区、办公区 OfficesOffices zonezone 由甲方提供并统一安排，位于电厂取水泵房附近，面积约 600m2。 Party A shall provide and arrange, it will located near intake pumps room, the area is about 600m2 2 2、施工准备、施工准备 ConstructionConstruction PreparationPreparation 2.12.1、施工组织准备、施工组织准备 PreparationPreparation ofof ConstructionConstruction OrganizationOrganization 2.1.12.1.1、组建项目经理部、组建项目经理部 EstablishingEstablishing projectproject managementmanagement Dept.Dept. 公司成立“江苏神龙海洋工程有限公司马来西亚 209E 联合电站取水工程 项目经理部”，委派具有丰富经验曾在多个类似工程项目中担任项目经理的、 具有国家一级项目经理资质的倪福生同志担任本工程的项目经理；同时选调 具有同类工程施工经验的技术、管理干部充实各部门，对本工程进行全过程 管理；并调配我司专业从事沉井、顶管及水下安装工程施工的队伍进场进行 项目作业。 15 / 90 We will organize “Jiangsu Shenlong Marine Engineering Co.,Ltd Project Management Department of Water Intaking Work of Malaysia 209E Combined Power Station”, Ni Fusheng who has the national qualification certificate of Grade-One Project Manager and are much experienced also ever acted as project manager on more than one similar projects; meantime, we are selecting the technical and management persons who has similar construction experience to equip all the departments to perform management over the whole process; also we will send our professional construction staff in sunk well, jacking pipe and underwater erection work to work on site. 现场组织机构见下图 Organization on site is showed in the following plan: 项目工程师 Project Engineer 项目副经理 Project Vice Manager 工程技术部 Technical Dept 质量安全部 Quality Safety Dept 物资供应部 Materials rooms for life in life zone will be mainly leased from local resident which are somewhat far from construction site, the workers will be carried by bus for on/off duty.on construction site, women/men toilets will be set up, roads on site will be hardened, rainwater and life sewage will be drained into vicinal water collector after treatment. 2.2.22.2.2、施工用水、施工用水 Water for construction work 19 / 90 沉井、泵房和顶管的生活和施工用水从施工现场附近业主或甲方提供的 接口计量处，分别用 48PVC 管引接至各用水点控制阀。海上施工、生活用 水采用管道输送或船运供给。 The water for construction and life at sunk well, pumps room and jacking pipes will be supplied by leading to the regulators at all water users after connecting with 48PVC pipes to the interface and measuring point nearby construction site provided by the owner or Party A. 2.2.32.2.3、施工用电、施工用电 PowerPower forfor constructionconstruction workwork 采用电缆将电源从业主或甲方提供的接口处接至各用电点。取水泵房、 区用电负荷约为 550KVA，考虑到施工用电的不饱和与不均衡性，总用电量按 照 500KVA 接驳。水上施工用电以自发电为主，临时靠港停泊期间，采取陆上 接电供给。 Cables will be used to connect power supply at the interface that the owner or Party A provided to all power using points. power load at intake pumps room, jacking pipes zone is about 550KVA, considering unsaturation and unevenness, the total power requirement will be supplied base on 500KVA. The power on water will be supplied mainly depending on self-generating, during temporary porting, connection and supply from land will be used, 2.2.42.2.4、施工道路、施工道路 ConstructionConstruction roadsroads 从水厂右侧的临时进场道路的出入口进入，通过引接部分临时道路到达 取水泵房、顶管施工场地，路宽 4.5m，块石、道渣路基，泥结碎石路面。 Enter from entrance of temporary site-accessing road, then arrive intake pumps room, jacking pipe construction site by connecting partial temporary roads, the road with is 4.5m, stones and clinker road base, clay-bound macadam road face. 20 / 90 2.2.52.2.5、弃土场、弃土场 wastewaste earthearth yardyard 基坑开挖、沉井下沉、顶管时的弃土通过管道排放于附近的泥浆池进行 沉淀，干化后短运出施工场地，用车辆运至弃土区堆放。泥浆池设于厂区的 临海侧，距现场约 300 米，用草袋作围堰，堰体随弃土增加而加高，泥水经 沉淀后排入海中。 During foundation pit excavation, sunk well sinking, pipe jacking, the wasted earth will be moved to the vicinal slurry pit for depositing, after drying, it will be transport in short distance out of construction site and stacked in waste earth zone by transporting by vehicle. Slurry pit is located on the sea side which is 300m from site, grass bags will be used for cofferdam, weir body will become higher as waste earth increases, slurry after depositing will be remove into sea. 3 3、施工方法及工艺流程、施工方法及工艺流程 MethodMethod andand processprocess ofof constructionconstruction workwork 3.13.1、施工方法概述、施工方法概述 GeneralGeneral ofof constructionconstruction methodmethod 循环水泵房主要工作内容为：基坑开挖、填砂垫层、沉井制作、沉井下沉、 沉井封底、上部结构施工。 The main work items of circulating water pumps room: foundation pit excavation, sand filling and lining, sunk well building, sunk well sinkin