《di闭水试验专项方案.doc》由会员分享,可在线阅读,更多相关《di闭水试验专项方案.doc(60页珍藏版)》请在三一文库上搜索。
1、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。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
2、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4c
3、m。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
4、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
5、,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
6、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
7、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),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
8、,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
9、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(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
10、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
11、,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20017.6030021.6240025.0050027.9560030.6070033.0080035.3590037.50100039.52110044.45120043.30
12、130045.00140046.70150048.40160050.00170051.50180053.00190054.48200055.902、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,
13、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
14、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(英文版 ) Two regulations promulgated for implementation is in the party in power for a long time and the rule of law conditions, the implementation of comprehensive strictly strategic plan, impl
15、ementation in accordance with the rules and discipline to manage the party, strengthen inner-party supervision of major initiatives. The two regulations supporting each other, the adhere to a positive advocate, focusing on morality is of Party members and Party leading cadres can see, enough to get
16、a high standard; around the party discipline, disciplinary ruler requirements, listed as negative list, focusing on vertical gauge, draw the party organizations and Party members do not touch the bottom line . Here, the main from four square face two party rules of interpretation: the first part int
17、roduces two party Revised regulations the necessity and the revision process; the second part is the interpretation of the two fundamental principles of the revision of laws and regulations in the party; the third part introduces two party regulations modified the main changes and needs to grasp sev
18、eral key problems; the fourth part on how to grasp the implementation of the two regulations of the party. and revised the necessity and revised history of the CPC Central Committee the amendment to the Chinese Communist Party members and leading cadres honest politics several guidelines and column
19、1 by 2015 to strengthen party laws and regulations focus. Two party regulations revision work lasted a Years, pooling the wisdom of the whole party, ideological consensus, draw historical experience, respect for the wisdom of our predecessors, which reflects the unity of inheritance and innovation;
20、follow the correct direction, grasp the limited goals, adhere to the partys leadership, to solve the masses of the people reflect a focus on the problem. The new revision of the and , reflects the partys 18 and the eighth session of the third, the spirit of the fourth plenary session, reflecting the
21、 experience of studying and implementing the General Secretary Xi Jinping series of important speech, reflects the partys eighteen years comprehensive strictly practice. (a) revised two regulations of the party need of in based on revised, the promulgation and implementation of January 2010, to stre
22、ngthen the construction of the contingent of leading cadres play an important role. But with the party to manage the party strictly administering the deepening, has not been able to fully meet the actual needs. Content is too complicated, eight prohibition, 52 are not allowed to hard to remember, an
23、d also difficult to put into practice; the second is concisely positive advocated by the lack of prohibited provisions excessive, no autonomy requirements; the third is banned terms and discipline law, both with the party discipline, disciplinary regulations repeat and Criminal law and other laws an
24、d regulations repeat; the fourth is to clean the theme is not prominent, not for the existing problems, and is narrow, only needle of county-level leading cadres above. is in 1997 based on revision, in December 2003 the promulgation and implementation, to strengthen the construction of the party pla
25、y very important role. Along with the development of the situation, which many provisions have been unable to fully meet the comprehensive strictly administering the practice needs. One is Ji law, more than half of the provisions and criminal law and other countries laws and regulations Repetition;
26、two is the political discipline regulations is not prominent, not specific, for violation of the party constitution, damage the authority of Party Constitution of misconduct lack necessary and serious responsibility to pursue; third is the main discipline for the leading cadres, does not cover all P
27、arty members. Based on the above situation, need to and the two is likely to be more relevant regulations first amendment. By revising, really put the authority of Party discipline, the seriousness in the party tree and call up the majority of Party members and cadres of the party constitution of pa
28、rty compasses party consciousness. (II) two party regulations revision process the Central Committee of the Communist Party of China attaches great importance to two regulations revision . Xi Jinping, general books recorded in the Fifth Plenary Session of the eighth session of the Central Commission
29、 for Discipline Inspection, on the revised regulations made clear instructions. According to the central deployment, the Central Commission for Discipline Inspection from 2014 under six months begin study two regulations revision. The Standing Committee of the Central Commission for Discipline Inspe
30、ction 4 review revised. Comrade Wang Qishan 14 times held a special meeting to study two regulations revision, amendment clarifies the direction, major issues of principle, path and target, respectively held a forum will listen to part of the province (area) secretary of the Party committee, Secreta
31、ry of the Discipline Inspection Commission, part of the central ministries and state organs Department The first party committee is mainly responsible for people, views of experts and scholars and grassroots party organizations and Party members. Approved by the Central Committee of the Communist Pa
32、rty of China, on 7 September 2015, the general office of the Central Committee of the Party issued a notice to solicit the provinces (autonomous regions, municipalities) Party, the central ministries and commissions, state ministries and commissions of the Party (party), the General Political Depart
33、ment of the military, every 3 people organization of Party of two regulations revision opinion. Central Commission for Discipline Inspection of extensive solicitation of opinions, careful study, attracting, formed a revised sent reviewers. In October 8 and October 12, Central Committee Political Bur
34、eau Standing Committee and the Political Bureau of the Central Committee After consideration of the two regulations revised draft. On October 18, the Central Committee of the Communist Party of China formally issued two regulations. Can say, two laws amendment concentrated the wisdom of the whole pa
35、rty, embodies the party. Second, and revision of the basic principles of two party regulations revision work and implement the partys eighteen, ten eight plenary, the spirit of the Fourth Plenary Session of the Eleventh Central Committee and General Secretary Xi Jinping important instructions on the
36、 revised and , highlighting the ruling party characteristics, serious discipline, the discipline quite in front of the law, based on the current, a long-term, advance as a whole, with Bu Xiuding independent and . Main principle is: first, adhere to the party constitution to follow. The constitution
37、about discipline and self-discipline required specific, awaken the party constitution of party compasses party consciousness, maintaining the authority of the constitution. General Secretary Xi Jinping pointed out that no rules, no side round. Party constitution is the fundamental law, the party mus
38、t follow the general rules. In early 2015 held the eighth session of the Central Commission for Discipline Inspection Fifth Plenary Session of the 16th Central Committee, Xi Jinping again pointed out that constitution is the party must follow the general rules, but also the general rules. the revisi
39、on of the and is Method in adhere to the regulations established for the purpose of combining rule of virtue is to adhere to the party constitution as a fundamental to follow, the constitution authority set up, wake up the party constitution and party rules the sense of discipline, the party constit
40、ution about discipline and self-discipline specific requirements. 4 second is to adhere to in accordance with the regulations governing the party and the party. The Party of rule of virtue de, mainly refers to the partys ideals and beliefs, excellent traditional style. The revised the closely linked
41、 to the self-discipline, insisting on the positive initiative, for all members, highlight the vital few, emphasized self-discipline, focusing on the morality, and the majority of Party members and the ideological and moral standards. The revised Ji method separately, Ji, Ji Yan to Method, as a negat
42、ive list, emphasizing the heteronomy, focusing on vertical gauge. Is this one high and one low, a positive reaction, the strict party discipline and practice results transformation for the integration of the whole party to observe moral and discipline requirements, for the majority of Party members
43、and cadres provides benchmarking and ruler. Third, insist on to. In view of the problems existing in the party at the present stage, the main problems of Party members and cadres in the aspect of self-discipline and abide by the discipline to make clearly defined, especially the partys eighteen year
44、s strict political discipline and political rules, organization and discipline and to implement the central eight provisions of the spirit against the four winds and other requirements into Disciplinary provisions. Not one pace reachs the designated position, focusing on in line with reality, pragma
45、tic and effective. After the revision of major changes, major changes in the and modified and needs to grasp several key problems (a) adhere to according to regulations governing the party and party with morals in combination, for at the present stage, the leadership of the party members and cadres and Party members in existing main problems of self-discipline, put forward principles, requirements and specifications, showing Communists noble moral pursuit, ref
链接地址:https://www.31doc.com/p-2370475.html