xg闭水试验专项方案

1、establishment of the patriotic health committee, the implementation of division of responsibility, school of health management. , room, group, grade school health work of grass-roots organizations, is responsible for the department of health management. all classrooms, offices and other indoor sanit

2、ation, daily cleaning, keep the floor, table, wall clean table, cupboards, chairs and all the appliances in order and clean. no graffiti, doors and windows and bright. lectern, blackboard in the classroom clean and tidy. school sanitation, according to the division of school health area of responsib

3、ility, responsibility to do: a small sweep a day a week a big sweep, neat and clean, no paper, no spam, no weeds, no sewage, no bags, no peel. personal hygiene: education students to cultivate five, six nots personal hygiene habits. five: time schedule, to brush your teeth before going to bed, to ch

4、ange clothes, bathe, and frequently washing hands before meals and after nails barber,. six not to drink unboiled water, do not eat unclean food, no smoking, no spitting, no snacking, no public towels, cups. pay attention to eye health, read and write positions lying upright, not reading, not in the

5、 light of local walking and reading, doing eye exercises and timely correction of eye disease, regular rotation zuoci. gym class, working class, to strengthen students safety education, comprehensive physical examination once a year on students, included in the profile. improving food hygiene: to im

6、prove sanitation and hygiene, implementation of the food hygiene regulations, to ensure food hygiene, ensure the physical and mental health of teachers and students. eliminating four pests, preventing disease: promptly clean up the garbage, sewage, preventing mosquito breeding places, cleaned up the

7、 garbage, make sure and clean. strengthen health publicity poster out in time to publicize health knowledge, use of the health education health education to students. and eye exercises, mental health education during the consultation process, held in common, multiple lectures on epidemic prevention.

8、 health inspection rating system: head teacher, classroom teacher, member of the class of health checks, monitor the implementation of environmental health and eye exercises every day. check rankings of school organizations to inform the inspection results. check every monday, one month, one to summ

9、arize, according to the inspection results issued health flow red flags. six disease prevention to prevent myopia? when sitting up, head tilted, eyes 33 cm from the book. eat, walk, bus reading, not too strong, too weak to light reading. write not too small too close, do not write typo, grass hand.

10、reading time and a half to 1 hour, you should rest for a few minutes. controlling the number of tv and time, a distance of 2.5 metres. pay attention to nutrition, food supplements containing vitamin a. how to prevent tooth decay? to develop good hygiene habits, way of brushing our teeth, mouthwash,

11、before going to bed without eating snacks. improve the ability of anti-caries of the teeth, acid toothpaste with fluoride. eat less sugar, eat a lot of food to prevent tooth decay, such as milk and dairy products, fish, fruit, beans, liver, etc. how to prevent trachoma? without common towels, hand r

12、ubbing your eyes, to sand and dust, wash your face to clean the water, promote the use of flowing water to wash, maintain washing equipment clean and wash, cut your nails .澄江工业园区蛟龙潭片区1#、3#、4#市政道路工程闭水试验方案澄江工业园区蛟龙潭片区1#、3#、4#市政道路工程雨污水管道闭水试验方案一、工程概况：1、道路工程：本工程为澄江工业园区蛟龙潭片区1#、3#、4#市政道路工程，建设地点位于至云南省澄江县城东北侧

13、。1#市政道路红线宽24米，具体布置为：7.5m宽机动车道2+1.12m树池2+2.48m人行道2+0.9m土路肩2=24m，道路全长3934.447m。3#市政道路红线宽15米，具体布置为：4m宽机动车道2+1.12m树池2+2.0m人行道2+0.38m土路肩2=15m，道路全长1545.933m。4#市政道路红线宽15米，具体布置为：4m宽机动车道2+1.12m树池2+2.0m人行道2+0.38m土路肩2=15m，道路全长478.563m。(2)1#道路等级为城市次干道，3、4#路为城市支路，1#路设计行车速度为30kmh，3、4#路设计车速度为20kmh。(3)道路面结构：1号路车行道结

14、构：第一层为中粒式沥青混凝土（ac-13)，厚度为4cm。第二层为中粒式沥青混凝土（ac-20)，厚度为7cm。第三层为水泥稳定碎石（水泥含量6.0%），厚度为35cm。第四层为级配碎石，厚度为15cm。沥青砼层间布洒乳化粘层、透层沥青、稀浆封层。路面结构总厚度为61cm。3、4号路车行道结构：第一层中粒式沥青混凝土（ac-13)，厚度为4cm。第二层为中粒式沥青混凝土（ac-20)，厚度为6cm。第三层为水泥稳定碎石（水泥含量6.0%），厚度为30cm。第四层为级配碎石，厚度为15cm。沥青砼层间布洒乳化粘层、透层沥青、稀浆封层。路面结构总厚度为55cm。2、 人行道结构： 第一层为彩色人行

15、道小块铺装，厚度为5cm。 第二层为m10水泥砂浆，厚度为3cm。 第三层为c15混凝土，厚度为12cm。 第四层为级配碎石垫层，厚度为10cm。 路面结构总厚度为30cm。 2、排水工程1#路雨水管道双边布置，管道中心线6.0m雨水根据道路纵坡分段排放，各段的起止点，管径分别为d200，d300，d400,d500,d600,d700。管道最小埋深1.98m。污水管道双边布置，其中北侧管中心距道路中心线8.5m，南侧管中心距道路中心线9.0m，污水根据道路纵坡分段排放，各段的起止点，管径分别为d400,d500，管道最小埋深2.8m。3#路雨水管道单边布置，位于道路南侧，管道中心线2.5m雨

16、水根据道路纵坡分段排行方，各段的起止点，管径分别为d400,d500,d600,d700,d800。管道最小埋深1.94m。重力流污水管道单边布置，位于道路北侧，管中心距离中心线5.5m，污水压力管位于道路北侧，管中心距道路中心线2.5m，重力流污水根据道路纵坡分段排放，各段的起止点，管径分别为d400.d500,重力流管道最小埋深2.82m，压力污水管埋深2.29m。4#路雨水管道单边布置，位于道路西侧，管道中心线2.5m，雨水根据道路纵坡接入1号路雨水管道，管道的起止点，管径分别为d200,d300,d400,d500。管道最小埋深1.94m。污水管道单边布置，位于道路东侧，管中心距中心线

17、5.5m，污水根据道路纵坡接入1号路污水管道，管道的起止点，管径分别d400。3、试验依据： 依据给水排水管道工程施工及验收规范gb50268-2008，给排水管道安装完成后应按本规范第9.3、9.4节的规定进行管道严密性试验。我单位结合现场情况，组织进行闭水试验。二、试验准备对于雨污水管道，按照市政施工规程要求，必须在回填前做闭水试验。闭水试验前，施工现场应具备以下条件：1、管道及检查井的外观质量及“量测”检验均已合格；2、管道两端的管堵（砖砌筑）应封堵严密、牢固，下游管堵设置放水管和阀门，管堵经核算可以承受相应压力；3、现场的水源满足闭水需要，不影响其它用水；4、选好排放水的位置，不得影响

18、周围环境。试验前，用1：3水泥砂浆将试验段首尾两井内的上游管口砌24cm厚的砖堵头，并用l：2.5砂浆抹面，将管段封闭严密。当堵头砌好后，养护34d达到一定强度后，方可进行灌水试验。灌水前，应先对管接口进行外观检查，如抹带有裂缝，脱落等缺陷，以便及时进行修补，以防灌水时发生漏水而影响试验。灌水时，检查井井边应设临时行人便桥，以保证灌水及检查渗水量等工作时的安全。严禁站在井壁上口操作，上下沟槽必须设置爬梯、戴上安全帽，并预先对沟壁的土质、支撑等进行检查，如有异常现象应及时排除，以保证闭水试验过程中的安全。三、试验程序（一）依据给水排水管道工程施工及验收规范gb50268-2008（以下称本规范）

19、，管道闭水试验应符合下列规定：1、闭水试验法应按设计要求和试验方案进行。2、试验管段应按井距分隔，抽样选取，带井试验；3、管道及检查井外观质量已验收合格；4、管道未回填土且沟槽内无积水；5、全部预留孔应封堵，不得渗水；6、管道两端堵板承载力经核算应大于水压力的合力；除预留进出水管外，应封堵坚固，不得渗水；7、试验段上游设计水头不超过管顶内壁时，试验水头应以试验段上游管顶内壁加2m计。8、管道闭水试验应按本规范附录d（闭水法试验）进行。9、管道闭水试验时，应进行外观检查，不得有漏水现象，化学建材管道的实测渗水量应小于或等于按下式计算的允许渗水量，管道闭水试验为合格：q=0.0046d1式中 q允

20、许渗水量（m/24hkm） d1管道内径（mm）。（二）闭水法试验应符合下列程序：1、试验管段灌满水后浸泡时间不应少于24h；2、试验水头应按本规范第9.3.4条的规定确定；3、试验水头达规定水头时开始计时，观测管道的渗水量，直到观测结束时，应不断地向试验段内补水，保持试验水头恒定。渗水量的观测时间不得小于30min；4、实测渗水量应按下式计算： q=w/(tl)式中 q实测渗水量l/（minm） w补水量（l） t实测渗水观测时间（min） l试验管段的长度（m）5、闭水试验应作记录，记录表格应符合表d.0.2的规定。表d.0.2管道闭水试验记录表工程名称试验日期年 月 日桩号及地段管道内径

21、（mm）管材种类接口类型试验段长度（m）试验段上游 设计水头（m）试验水头允许渗水量m3/24hkm渗水量测定记录次数观测起始时间t1观测起始时间t2恒压时间t（min）恒压时间内补入的水量w（l）实测渗水量ql/(minm)123折合平均实测渗水量m3/(24hkm)外观记录评语施工单位： 试验负责人：监理单位： 设计单位：建设单位： 记录员：（三）在具备了闭水条件后，即可进行管道闭水试验。试验应从上游往下游分段进行，上游实验完毕后，可往下游充水，倒段试验以节约用水。依据给水排水管道工程施工及验收规范gb50268-2008第9.1.9条：无压管道的闭水试验，条件允许时可一次试验不超过5个连

22、续井段。l、排水管道闭水试验是在试验段内灌水，井内水位不低于管顶以上2m，然后，在规定的时间里，观察管道的渗水量是否符合标准。试验各阶段说明如下： 注水浸泡：闭水试验的水位，应为试验段上游管内顶以上2米，将水灌至接近上游井口高度。注水过程应检查管堵、管道、井身，无漏水和严重渗水，在浸泡管和井12天后进行闭水试验； 闭水试验：将水灌至规定的水位，开始记录，对渗水量的测定时间，不少于30分钟，根据井内水面的下降值计算渗水量，渗水量不超过规定的允许渗水量即为合格。 试验渗水量计算：渗水量试验时间30分钟时，每km管道每昼夜渗水量为q=（48q）（1000/l）， 式中q每km管道每d的渗水量 q闭水

23、管道30分钟的渗水量 l闭水管段长度 当q允许渗水量时，试验即为合格。无压管道闭水试验允许渗水量管材管道内径di(mm)允许渗水量m3/(24hkm)钢筋混凝土管20017.6030021.6240025.0050027.9560030.6070033.0080035.3590037.50100039.52110044.45120043.30130045.00140046.70150048.40160050.00170051.50180053.00190054.48200055.902、水位观测 充水时的水位可用水位标尺测定。 充水至设计水深进行渗水量测定时，应采用水位测针测定水位。水位测针的

24、读数精度应达1mm。 充水至设计水深后至开始进行渗水量测定的间隔时间，应不少于24h。 测读水位的初读数与第二次读数的间隔时间，应为30min。如第一天测定的渗水量超过允许标准，而以后的渗水量逐渐减少，可继续延长观测。 闭水试验程序：施工准备清理检查内壁封堵预留洞口注水浸泡检查外壁及预留洞口渗水情况验收缓慢放水。四、安全1、做好安全技术交底，严格执行安全技术操作规程，严禁违章指挥违章操作；2、施工范围内的过路口，以及沟、槽等危险部位，必须设置护栏，加盖等防护措施，并设置警示标志，夜晚要挂红灯；3、各机电设备应由专人看管，电机必须一机一闸，严格接地、接零和安漏电保护器，水泵和部件检修时必须切断电

25、源，严禁带电作业；4、上下检查井要用梯子，梯子要坚固放稳；5、在对检查井内水位进行检测时，上下检查井应注意安全。五、施工注意事项1、闭水试验是对施工质量总检验的重要环节之一，必须引起足够的重视。渗水量的合格与否与施工过程中每一工序都有一定关系。2、加强试验前对检查每一座井、管道连接处的全面检查和整修。3、试验合格后，所堵管道口要在全线完工前打开，避免留下隐患。4、试验过程中，如遇较大面积的渗水或漏水，应及时将管内水抽出，进行处理，待处理强度达到要求时，再次灌水试验，直至合格为准。 目录1、 工程概况2、 试验准备3、 试验程序4、 安全5、 施工注意事项king shop school car

26、 to watch the summary view store is located in the lan-xin railway, 215 students, and students to and from school has about 90 people to cross the railway, more than half of the students live in the school in the vicinity of the rail line along the railway more than 10 square kilometers. railway is

27、economy of artery, to makes railway along general people master railway legal regulations and security knowledge, enhanced love road watch consciousness, ensure railway security smooth, years, i school has been put love road watch work as education students of focus to caught, made has significantly

28、 of effect, years no occurred had railway security accident, emerged out a and a love road watch small guard, general teachers and students and masses of love road watch consciousness general improve, times by superior recognition, our practices are reporting on is as follows. and improve the organi

29、zation, love the way of protection responsibilities. set up by the principal of the school is the head security administrator for the deputy head of the class teacher for members of the railway protection leading group for propaganda and education, consisting of offices, advocacy groups, education g

30、roups and steering groups, organizations responsible for railway protection publicity and education of the whole school, command and coordination. to ensure safety of the railway for the overall objectives, major tasks are: 1, arouse the enthusiasm of teachers, school advantages into full play, watc

31、h the propaganda and education work of joint railway. 2, railway watch teacher and student awareness, to ensure against road-related casualties. 3, education in primary and middle school students the courage to fight against the railway safety act and found to have damaged railway safety relevant pa

32、rts of the report in a timely manner to ensure railway safety. do division, responsibility and student teacher assessment, evaluation and love road linked to the protection and safety, enhance the sense of responsibility. second, programming, watch love road work routine. school developed has railwa

33、y watch publicity education work programme, put love road watch work into school education teaching plans, full using class teaching, and theme class, timing, education students learning railway method, about love road security matters, school requirements daily of campus broadcast to has five minutes of railway security knowledge education, all class weekly are to shang a section love road watch aspects of security class, monthly introduced