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立敦电子防水维修(PVC卷材)施工方案(10页)
立敦电子防水维修(PVC卷材)施工方案(10页).doc
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1、立敦电子彩钢厂房防水维修(PVC卷材)施工方案 成都宇华建筑工程有限公司 2011年8月19日经现场勘察,贵公司彩钢瓦屋面漏水属于原有防水密封胶老化起裂、脱缝。以及年久未进行维修养护,屋顶排水天沟腐蚀锈穿,因此出现众多漏水部位。综合上诉原因特制定以下施工方案:1、首先将彩钢屋面渣物进行全面清理转运。2、屋顶排水天沟渣物及淤泥全面清理转运。3、对清理后的排水天沟涂刷环氧富锌防锈漆进行防锈处理。4、对所有的彩钢瓦接缝老化的防水胶使用专用工具进行全面割除。5、清理后的彩钢及排水天沟接缝处使用“美国道康灵”中性防水密封胶全面密封。6、接缝处理完毕后在整个屋顶彩钢瓦上满铺PVC防水卷材。PVC防水卷材施2、工工艺如下:一、编制依据 (一)GB 50345-2004屋面工程技术规范 (二)GB 50207-2002屋面工程质量验收规范二、施工准备(一)材料选用“圣海”牌聚氯乙烯(PVC)防水卷材,规格型号 执行标准 GB 12592-2003。 L类及W类物理性能指标序号项目I型II型1拉力(N/CM) 1001602断裂伸长率/% 1502003热处理尺寸变化率/% 1.51.04低温弯折性-20无裂纹-25无裂纹5抗穿孔性不渗水6不透水性不透水7人工气候加速老化拉力变化率/%2520断裂伸长率变化率/%低温弯折性-15无裂纹-20无裂纹(二)产品分类 产品类型:复合抗紫外线型1.5mm厚。(主3、要应用于屋面防水层的大面和天沟使用)。(三)系统配件机械固定专用垫片(热度)PVC防水卷材专用胶粘剂抗拔钉金属压条三、施工工艺流程PVC铲除隔气层铺设保温层翻面(设计确定)安装隔离层(无纺布)铺设防水层铺设和机械固定热风焊接细部和收口处理检查、验收四、施工1、清理基面,表面的油污、杂物等其它建筑垃圾全部清扫干净。基面符合施工条件后,弹线定位。2、将防水卷材空铺就位,防水卷材的预留搭接宽度为100mm。3、为了减少焊接缝,防水卷材根据现场情况采取横铺。4、防水卷材搭接一般为上板压下板,使外部的水顺接槎向下流,不会在焊缝处积聚,形成渗水隐患。5、周边防水卷材收口处用双排固定件固定,固定点距檐口104、0mm,固定点的间距为200mm,最后用200mm宽的PVC焊条热风焊接在压条上面加以覆盖。屋面横向每10m设固定件固定,最后用200mm宽的PVC焊条热风焊接在压条上面加以覆盖。铺设PVC卷材时,纵向每隔2米用固定件固定,间距为200mm,搭接处采用热风焊接。PVC卷材遇立面处用胶水满粘,并用铝合金压条固定,射钉间距为200mm,最后满涂聚氨酯密封膏。6、PVC防水卷材按上述方法铺设完毕后,可以进行焊接工作。焊接防水卷材:将防水卷材的搭接处擦拭干净,采用热风焊接机焊接防水卷材搭接缝。根据材料选定温度和速度,焊接时焊接边缘应有浆液溢出,呈亮色,不可出现烧焦现象。防水卷材铺设时拉伸宜松不宜紧。75、防水卷材破损后的修补:用手动热风焊枪将修补用的防水卷材焊接在被修部位及外延50mm处即可。8、手工焊缝的施工及加强:手工焊缝时,焊嘴与焊接方向呈45-50度角,压辊与焊嘴平行并保持大约5mm的距离。焊接边缘应有溶浆溢出,呈亮色,不应出现烧焦现象。焊接时从一端开始,边焊接边排除空气。焊接后及时用手压辊按顺序滚压一遍,接缝处不允许有气泡、皱折存在。拐角等部位均需要用PVC焊条进行加强处理。9、雨篦子处的PVC施工方法:先按照雨水口的尺寸把PVC裁剪成条状,并用焊枪焊接成雨水口的形状,长度约伸入雨水口20cm,然后放入雨水口,上端用热风焊枪焊接在PVC卷材上,局部用PVC条进行加强处理。机械固定系6、统改性PVC防水卷材热风焊接背衬(隔离层)卷材固定件保温板隔汽层(涂料/改性沥青/PE膜)轻钢屋面PVC轻钢结构屋面节点示意图 成都宇华建筑工程有限公司 2011年8月19日g an employment tribunal claimEmployment tribunals sort out disagreements between employers and employees.You may need to make a claim to an employment tribunal if: you dont agree with the disciplinary action your7、 employer has taken against you your employer dismisses you and you think that you have been dismissed unfairly.For more information about dismissal and unfair dismissal, seeDismissal.You can make a claim to an employment tribunal, even if you haventappealedagainst the disciplinary action your emplo8、yer has taken against you. However, if you win your case, the tribunal may reduce any compensation awarded to you as a result of your failure to appeal.Remember that in most cases you must make an application to an employment tribunal within three months of the date when the event you are complainin9、g about happened. If your application is received after this time limit, the tribunal will not usually accept it.If you are worried about how the time limits apply to you, take advice from one of the organisations listed underFurther help.Employment tribunals are less formal than some other courts, 10、but it is still a legal process and you will need to give evidence under an oath or affirmation.Most people find making a claim to an employment tribunal challenging. If you are thinking about making a claim to an employment tribunal, you should get help straight away from one of the organisations l11、isted underFurther help.If you are being represented by a solicitor at the tribunal, they may ask you to sign an agreement where you pay their fee out of your compensation if you win the case. This is known as adamages-based agreement. In England and Wales, your solicitor cant charge you more than 312、5% of your compensation if you win the case.If you are thinking about signing up for a damages-based agreement, you should make sure youre clear about the terms of the agreement. It might be best to get advice from an experienced adviser, for example, at a Citizens Advice Bureau. To find your neares13、t CAB, including those that give advice by e-mail, click onnearest CAB.For more information about making a claim to an employment tribunal, seeEmployment tribunals.The (lack of) air up there Watch mCayman Islands-based Webb, the head of Fifas anti-racism taskforce, is in London for the Football Asso14、ciations 150th anniversary celebrations and will attend Citys Premier League match at Chelsea on Sunday.I am going to be at the match tomorrow and I have asked to meet Yaya Toure, he told BBC Sport.For me its about how he felt and I would like to speak to him first to find out what his experience wa15、s.Uefa hasopened disciplinary proceedings against CSKAfor the racist behaviour of their fans duringCitys 2-1 win.Michel Platini, president of European footballs governing body, has also ordered an immediate investigation into the referees actions.CSKA said they were surprised and disappointed by Tou16、res complaint. In a statement the Russian side added: We found no racist insults from fans of CSKA.Age has reached the end of the beginning of a word. May be guilty in his seems to passing a lot of different life became the appearance of the same day; May be back in the past, to oneself the paranoid17、 weird belief disillusionment, these days, my mind has been very messy, in my mind constantly. Always feel oneself should go to do something, or write something. Twenty years of life trajectory deeply shallow, suddenly feel something, do it.一字开头的年龄已经到了尾声。或许是愧疚于自己似乎把转瞬即逝的很多个不同的日子过成了同一天的样子;或许是追溯过去,对自己18、那些近乎偏执的怪异信念的醒悟,这些天以来,思绪一直很凌乱,在脑海中不断纠缠。总觉得自己自己似乎应该去做点什么,或者写点什么。二十年的人生轨迹深深浅浅,突然就感觉到有些事情,非做不可了。The end of our life, and can meet many things really do?而穷尽我们的一生,又能遇到多少事情是真正地非做不可?During my childhood, think lucky money and new clothes are necessary for New Year, but as the advance of the age, will be more19、 and more found that those things are optional; Junior high school, thought to have a crush on just means that the real growth, but over the past three years later, his writing of alumni in peace, suddenly found that isnt really grow up, it seems is not so important; Then in high school, think dont 20、want to give vent to out your inner voice can be in the high school children of the feelings in a period, but was eventually infarction when graduation party in the throat, later again stood on the pitch he has sweat profusely, looked at his thrown a basketball hoops, suddenly found himself has alre21、ady cant remember his appearance.童年时,觉得压岁钱和新衣服是过年必备,但是随着年龄的推进,会越来越发现,那些东西根本就可有可无;初中时,以为要有一场暗恋才意味着真正的成长,但三年过去后,自己心平气和的写同学录的时候,突然就发现是不是真正的成长了,好像并没有那么重要了;然后到了高中,觉得非要吐露出自己的心声才能为高中生涯里的懵懂情愫划上一个句点,但毕业晚会的时候最终还是被梗塞在了咽喉,后来再次站在他曾经挥汗如雨的球场,看着他投过篮球的球框时,突然间发现自己已经想不起他的容颜。Originally, this world, can produce a chemic22、al reaction to an event, in addition to resolutely, have to do, and time.原来,这个世界上,对某个事件能产生化学反应的,除了非做不可的坚决,还有,时间。A persons time, your ideas are always special to clear. Want, want, line is clear, as if nothing could shake his. Also once seemed to be determined to do something, but more often is he ba23、cked out at last. Dislike his cowardice, finally found that there are a lot of love, there are a lot of miss, like shadow really have been doomed. Those who do, just green years oneself give oneself an arm injection, or is a self-righteous spiritual.一个人的时候,自己的想法总是特别地清晰。想要的,不想要的,界限明确,好像没有什么可以撼动自己。也曾经24、好像已经下定了决心去做某件事,但更多的时候是最后又打起了退堂鼓。嫌恶过自己的怯懦,最终却发现有很多缘分,有很多错过,好像冥冥之中真的已经注定。那些曾经所谓的非做不可,只是青葱年华里自己给自己注射的一支强心剂,或者说,是自以为是的精神寄托罢了。At the moment, the sky is dark, the air is fresh factor after just rained. Suddenly thought of blue plaid shirt; Those were broken into various shapes of stationery; From the corn25、er at the beginning of deep friendship; Have declared the end of the encounter that havent start planning. Those years, those days of do, finally, like youth, will end in our life.此刻,天空是阴暗的,空气里有着刚下过雨之后的清新因子。突然想到那件蓝格子衬衫;那些被折成各种各样形状的信纸;那段从街角深巷伊始的友谊;还有那场还没有开始就宣告了终结的邂逅计划那些年那些天的非做不可,终于和青春一样,都将在我们的人生中谢幕。B26、aumgartner the disappointing news: Mission aborted. r plays an important role in this mission. Starting at the ground, conditions have to be very calm - winds less than 2 mph, with no precipitation or humidity and limited cloud cover. The balloon, with capsule attached, will move through the lower l27、evel of the atmosphere (the troposphere) where our day-to-day weather lives. It will climb higher than the tip of Mount Everest (5.5 miles/8.85 kilometers), drifting even higher than the cruising altitude of commercial airliners (5.6 miles/9.17 kilometers) and into the stratosphere. As he crosses th28、e boundary layer (called the tropopause),e can expect a lot of turbulence.The supersonic descent could happen as early as Sunda.The weatheThe balloon will slowly drift to the edge of space at 120,000 feet ( Then, I would assume, he will slowly step out onto something resembling an Olympic diving pla29、tform.Below, the Earth becomes the concrete bottom of a swimming pool that he wants to land on, but not too hard. Still, hell be traveling fast, so despite the distance, it will not be like diving into the deep end of a pool. It will be like he is diving into the shallow end. Skydiver preps for the 30、big jumpWhen he jumps, he is expected to reach the speed of sound - 690 mph (1,110 kph) - in less than 40 seconds. Like hitting the top of the water, he will begin to slow as he approaches the more dense air closer to Earth. But this will not be enough to stop him completely.If he goes too fast or s31、pins out of control, he has a stabilization parachute that can be deployed to slow him down. His team hopes its not needed. Instead, he plans to deploy his 270-square-foot (25-square-meter) main chute at an altitude of around 5,000 feet (1,524 meters).In order to deploy this chute successfully, he w32、ill have to slow to 172 mph (277 kph). He will have a reserve parachute that will open automatically if he loses consciousness at mach speeds.Even if everything goes as planned, it wont. Baumgartner still will free fall at a speed that would cause you and me to pass out, and no parachute is guaranteed to work higher than 25,000 feet (7,620 meters).cause there
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