项目地下防水施工方案.doc
目 录1、编制依据:32、工程概况33、施工准备43.1材料准备43.2主要工机具准备43.3技术准备54、施工安排54.1地下室防水工程总体安排54.2工程施工组织安排54.3施工工序安排54.4专业施工队安排55、主要施工方法及工艺65.1底板卷材防水施工65.2施工方法及技术要求65.3地下室外墙防水卷材施工115.4混凝土刚性防水施工126、质量控制措施137、质量标准147.1主控项目147.2一般项目148、安全文明施工149、环保措施及注意事项15地下防水施工方案1、编制依据:序号主要文件、规范编号1彩虹家园项目结构、建筑施工图2彩虹家园施工组织设计3地下工程防水技术规范GB50108-20014地下防水工程质量验收规范GB50208-20025建筑工程施工质量验收统一标准GB50300-20016地下室防水施工技术规程DB11/367-20062、工程概况2.1工程总体介绍序号项目内容1地理位置大井西路63#院2建筑规模建筑面积102058,由1#、2#经济适用房,3#公共租赁房,4#、5#三定三限安置房,6#、7#配套公建,8#、9#变电所,10#锅炉房组成3建筑层数1#经济适用房2#经济适用房3#公共租赁房4#三定三限安置房5#三定三限安置房地上9/13层地下2层地上20层地下2层地上20/16层地下2层地上17/18层地下2层地上17/18层地下2层建筑总高43.30m62.90m61.90m47.600m47.600m4基底标高-7.25m-7.85m-7.45m-7.65m-7.70m,-7.65m2.2地下工程防水体系介绍序号设防部位设防体系设防做法1基础底板地下室外墙两道设防:砼自防水+柔性防水砼自防水:抗渗等级为S6、S8钢筋混凝土;柔性防水:两层(3mm+3mm)SBS改性沥青防水卷材2底板导墙水平施工缝设置阻水措施基础底板导墙高1300mm,设置遇水膨胀止水条。3地下室墙体竖向施工缝设置阻水措施设置垂直施工缝,加遇水膨胀止水条。4地下室墙体水平施工缝设置阻水措施设置水平施工缝,加遇水膨胀止水条。5地下室穿墙套管设置阻水措施振动管加柔性防水套管非振动管加刚性防水套管6地下室外墙模板工程设置阻水措施地下室墙体采用小钢模,室外地坪标高以下采用止水螺栓和止水钢板3、施工准备3.1材料准备序号名 称规格型号用 途1SBS防水卷材3mm+3mm厚共两道地下室底板、外墙、地下室顶板2聚氨酯嵌缝膏特殊部位、管根等处的嵌固密封3汽油、二甲苯喷灯、清洗工具4膨胀止水条30*20mm底板导墙、外墙施工缝5止水螺栓待添加的隐藏文字内容2止水钢板2*50*50mm外墙组合钢模板穿墙螺栓3.2主要工机具准备序号名称规格数量用途1小平铲小型15把清理基层2扫帚普通5把清理基层3钢丝刷普通5把清理基层4滚刷60x300mm5把涂刷底油5橡皮刷板60x300mm8把涂刷底油6汽油喷灯3.6Kg8个热熔施工7剪刀5把裁剪卷材8钢卷尺5m3把量尺寸9小白线2kg弹标线3.3技术准备技术人员熟悉工程施工图纸和各部位防水做法,并有编制完成并经公司及监理单位审批通过的地下防水施工方案。在正式施工以前,对参与施工的有关管理人员、技术人员和工人进行技术性的交待与说明。4、施工安排4.1地下室防水工程总体安排 基础底板垫层、防水挡墙施工完毕,达到SBS改性沥青防水卷材铺贴基层要求后,安排防水专业施工队进行底板防水施工,验收完毕,由主体队进行防水保护层施工,并对防水卷材预留设的搭接接头进行保护,然后进行结构施工。结构施工中,墙体根部及顶部水平施工缝、竖向施工缝预埋遇水膨胀止水条。各专业所有地下室穿外墙杆件、套管由各专业进行阻水措施处理。组合钢模穿外墙螺栓焊接止水环等。4.2工程施工组织安排4.2.1结合我项目部管理组织机构形式及整体工程特点,建立如下图所示“彩虹家园项目地下防水施工组织机构”:图1 彩虹家园项目地下防水施工组织机构图4.3施工工序安排由于整个底板面积很大,将根据后浇带位置及流水施工段分区域流水施工。4.4专业施工队安排SBS卷材防水工程采用分包形式,具体分包商采用招标形式在我公司合格分包商名册中确定,以保证本工程地下室防水卷材施工质量。同时为确保工程如期完工,各阶段防水卷材施工期间,防水专业队必须保证足够人员施工,具体参考如下:序号阶段防水工数量备注1底板防水施工阶段30所有施工人员必须持有有效期内上岗证。2地下室外墙防水施工阶段305、主要施工方法及工艺5.1底板卷材防水施工5.1.1根据设计要求,本工程基础底板、地下室外墙防水采用两层(3mm+3mm)SBS改性沥青防水卷材,外防外贴法施工。SBS改性沥青防水卷材的铺贴采用热熔法施工。5.1.2材料准备:(1)防水卷材:3mm厚SBS改性沥青防水卷材,卷材幅宽1米,每卷卷材长10米。根据工程量初步统计,所需SBS改性沥青防水卷材准备数量如下:部位数量(m2)备注基础、外墙22000(2)防水卷材进场必须有出厂合格证及北京市建委颁发的防水材料使用认证书。并按规定进行现场取样复试,复试合格后方准使用。卷材性能复试标准如下:序号项目性能要求1胎体类型聚酯胎2拉力N纵向800横向8003耐热度105无滑动、无流淌,无滴落4低温柔度:-25绕R=15mm圆棒,无裂纹5不透水性压力0.3MPa不透水保持时间30min(3)配套材料:基层处理剂、接缝密封材料、填充材料等。5.2施工方法及技术要求5.2.1搭接要求:相邻卷材的短边搭接不小于15cm,长边搭接不小于10cm,如下图所示: 图2 相邻卷材搭接要求5.2.2接头位置:上下两层的长边接缝应彼此错开幅宽的1/21/3,相邻两边的短边接缝应相互错开500mm以上。如接茬赶在导墙、电梯基坑、集水坑等转角附近,卷材接缝留在平面上,并距离立面600mm。5.2.3铺设规定:卷材铺贴时沿长方向进行,两层卷材必须平行铺贴,禁止垂直铺贴,铺贴时先平面后立面。5.2.4附加层:外墙管根、阴阳角等部位必须增加一层附加层,附加层两边各搭接宽度为25cm。附加层厚度为3mm厚。5.2.5卷材铺贴的方向:底板防水卷材铺贴方向选用东西方向(即卷材长边在底板的短边方向上)。5.2.6卷材铺贴的顺序:先做附加层加强层,再做电梯坑、集水坑、保护墙立面等部位卷材防水层,并将接头引至坑上口距离坑边不小于600mm或距离保护墙边不小于600mm的平面位置;然后再做底板平面防水层;最后进行封边处理。5.2.7主要施工流程:永久性保护墙砌筑基础底板防水卷材铺贴平面保护层施工开始基础底板结构施工、直至地下室结构验收完毕铺贴外墙立面防水卷材立面防水保护层施工回填土(1)永久性保护墙施工:防水施工前,先沿地下结构外墙周圈砌筑防水挡墙,挡墙材料用红机砖砌筑,240mm宽,并抹灰,压光。(2)基础底板防水卷材铺贴:清理防水基层涂刷底油铺贴附加层第一层防水卷材第二层防水卷材防水保护层。防水基层检查验收,应达到如下要求:基层坚实、有足够强度,表面清洁干燥,无浮土、砂粒等污物。基层表面应平整、光滑、无松动,对于残留的砂浆或突起物应以铲刀削平,不允许有凹凸不平及起砂现象,阴阳角抹成圆弧形,圆弧角度为450(1350)折角。基层表面平整度检查:2m靠尺检查,找平层与靠尺最大空隙5mm。基层应干燥,含水率应小于9%,具体检测方法如下:用1m2见方的SBS改性沥青防水卷材覆盖在基层上3-4小时,揭开后卷材后基层表面和卷材覆盖面干燥、无水印则可视基层干燥,可以进行卷材的铺贴。防水基层验收合格,办理隐检后,方可进行下道工序。基层处理剂涂刷:将基层处理剂搅拌均匀后,均匀涂布在干净的基层上,不得有漏涂和透底现象,干燥4小时,手感不粘时方可进行下道工序。铺贴附加层:外墙管根、阴阳角部位加铺一层同质卷材附加层,将卷材裁成相应的形状进行热熔满贴,宽度50cm。附加层施工必须粘贴牢固,施工要细心。项目质检员对此部位专门做隐蔽工程检查,并作书面记录。 图3 阴阳角折剪图5.2.8 SBS改性沥青防水卷材铺贴(1)首先,用小白线和彩色粉弹线分档、确定卷材实际铺贴位置、铺贴间距,应符合前面有关卷材铺贴技术要求。然后选择底板3米×8米范围内做样板。经项目验收合格后,进行大面积施工。(2)大面积卷材铺贴:卷材铺帖,必须按弹出的分档线进行,减少阴阳角和大面积的接头;按分档位置要求,将改性沥青防水卷材按铺贴长度和弹线尺寸裁剪并卷好备用,操作时将已卷好的卷材端头比齐开始铺的起点,按照弹好的线,手扶卷材两端向前缓缓滚动向前铺设,使卷材平铺于基层上,要求用力均匀、不窝气,掌握好铺设压边宽度。然后点燃汽油喷灯,掀开卷材,加热基层与卷材交接处,喷灯与加热面保持300mm左右的距离,往返喷烤,观察当卷材的沥青刚刚熔化时,压合至边缘挤出沥青粘牢。卷材与底板采用条粘法,卷材与卷材之间为满粘。(3)对于平面与立面相连的卷材(如:永久性保护墙立面卷材),应先铺贴平面部分,然后由下向上满粘铺贴立面卷材,同时注意使卷材紧贴阴、阳角。上端留设30cm卷材长度,与将来外墙立面防水卷材搭接连接交圈。对于该段防水卷材甩头,虚铺于保护墙上平面,并盖油毡,上砌两皮灰砂砖临时保护墙进行保护。 图6 甩茬接茬示意图(4)热熔封边:接缝处用喷灯热熔卷材缝边缘,待表面熔化后随即用小铁抹子将边缝封好,再用喷灯均匀细致地将边缝烤一遍保证接头密封,以免翘边。进行第二道防水卷材施工时,两层卷材不得相互垂直铺贴。(5)底板防水卷材施工完毕并做好保护措施后,由施工队自检合格后,报项目部组织验收,合格后方可进行防水保护层施工。平面防水保护层采用C20细石混凝土。保护墙(立面)上防水保护层采用20mm厚掺有建筑胶的水泥浆进行拉毛保护。5.2.9保护层施工完毕,进行地下室结构施工。5.2.10沉降缝处防水节点做法: 图7 沉降缝处防水节点做法5.3地下室外墙防水卷材施工5.3.1基层处理及检查:地下室结构施工完毕并经验收合格后,开始进行地下室外墙防水施工。将外墙上气泡用水泥腻子刮平,同时将墙面粘连的砂浆、突出物用小铲铲除,使外墙面达到规范规定的防水基层要求(基层要求同底板防水基层部分)。同时拆除临时保护墙,并将卷材甩槎整理好,对于受损的部位必须先行修理。5.3.2涂刷基层处理剂:将基层处理剂搅拌均匀后,均匀涂布在干净的基层上,不得漏涂和透底现象,干燥6小时,手感不粘时方可进行下道工序。5.3.3附加层施工:外墙防水附加层同前面底板要求。同时:管根、阴阳角等薄弱部位异形部位也必须加附加层。卷材与管根连接要求见下图: 图8 管道穿墙剖面图5.3.4铺贴外墙立面防水卷材:立面防水卷材亦采用热熔法施工,其搭接位置、搭接长度、及卷材收头等要求同底板卷材防水施工要求,外墙防水层直接从底板甩出的接头开始,按搭接要求从下往上进行外墙防水层施工。5.3.5卷材末端收头:接缝处用喷灯热熔卷材缝边缘,待表面熔化后随即用小铁抹子将边缝封好,再用喷灯均匀细致地将边缝烤一遍保证接头密封,以免翘边。收口位置在室外散水下小槽内(该部位结构施工时预先埋设2cm*4cm木条,基层处理时将其剃出,修平)为防止卷材末端收头和搭接缝边缘剥落而产生渗漏现象,该部位必须用橡胶改性沥青冷胶剂密封处理,使其成为一个完整的防水层。5.3.6外墙防水保护层施工:对于外墙立面防水保护层,采用50mm挤塑聚苯板。5.3.7回填土施工:上述工序完毕,经验收合格后,进行回填土施工。回填土施工必须注意成品保护,不得损坏防水层。5.4混凝土刚性防水施工本工程的基础底板及地下室外墙部分采用C30抗渗混凝土,抗渗等级为S6和S8。5.4.1原材要求(1)水泥:采用普通硅酸盐水泥,水泥标号不能低于P042.5,水泥用量为300kg/m3;(2)石子:石子最大粒径不大于40mm,所含泥土不得呈块状或包裹石子表面,吸水率不大于1.5%;(3)砂:采用中砂;(4)水:所用水不得含有有害物质,为饮用水或洁净的天然水。5.4.2防水混凝土要求:(1)防水混凝土的配合比通过试验确定。含砂率必须在0.350.4之间,灰砂比必须在1212.5之间,水灰比必须在0.55以下。掺引气剂或引气型减水剂时,混凝土含气量必须控制在36%。(2)计量允许偏差:防水混凝土配料必须按质量比准确称量,水泥、水、外加剂、掺合料允许偏差为±1%,砂、石偏差为2%。(3)墙体坍落度控制在1618cm之间,梁板坍落度控制在1416cm之间。防水混凝土拌合物在运输过程中如出现离析,必须进行二次搅拌,当坍落度有损失时,应加入原水灰比的水泥浆。5.4.3混凝土浇筑注意事项:(1)浇筑前先检查模板是否稳固,模板拼缝严密不得漏浆。防水混凝土结构内部设置的各种钢筋或绑扎丝,不得接触模板,固定模板用的螺栓和拉片采用如下止水措施:穿墙螺杆、套管等,均在其中间部位加焊止水环,止水环必须满焊。 图9 外墙止水螺栓示意图(2)防水混凝土施工必须采用机械振捣密实,振捣时间为30秒,以混凝土开始泛浆和不冒气泡为准,避免漏振、欠振和超振。墙体和底板严格分层振捣。使用插入式振捣器应快插慢拔,插点要均匀排列,逐点移动,顺序进行,不得遗漏,做到均匀密实。振捣棒移动间距不大于振捣棒有效作用半径的1.25倍,振捣棒有效作用半径取380mm,振捣间距为560mm.振捣上一层时应插入下层5cm,以消除两层间的接缝。表面振动器(平板振捣器)的移动间距,应保证振动器的平板覆盖已振实部分的边缘。5.4.4施工缝的留置、处理对于墙体水平(各层楼板上下)及竖向施工缝(一般在后浇带位置),底板墙体水平施工缝留设于底板上300mm处,外墙留置施工缝处预留膨胀止水条凹槽,施工缝形式参见图: 图10 施工缝形式示意图5.4.6在施工缝上浇筑混凝土前,必须将施工缝处的混凝土表面凿毛,清除浮粒和杂物,用高压水冲洗干净,保持湿润,铺设35cm厚同标高减石子混凝土,随后浇筑防水混凝土。5.4.7混凝土养护:对于抗渗砼,养护时间不少于14天。后浇带混凝土养护不少于28天。施工队派专人养护,填写养护记录。在浇筑完成、底板表面压实抹平之后,且砼强度达到1.2Mpa以后,方可上人进行下道工序,养护人员负责看护对砼成品保护负全责。6、质量控制措施6.1卷材搭接不良:接头搭接形式以及长边、短边的搭接宽度偏小,接头处的粘结不密实,接茬损坏、空鼓;施工操作中要按程序弹标准线,使与卷材规格相符,操作中齐线铺贴,使卷材搭接长边不小于100mm,短边不小于150mm。6.2防水层空鼓:贴卷材的基层潮湿,不平整、不干净,产生基层与卷材间窝气、空鼓;铺设时排气不彻底,窝住空气,也可使卷材间空鼓。施工时基层要干燥,卷材铺设要均匀压实。6.3管根处粘贴不良:清理不干净、裁剪卷材与根部形状不符、压边不实造成粘贴不良;施工时清理要彻底干净,注意操作,要将卷材压实,不得有张嘴、翘边、折皱等现象。6.4渗漏:转角、管根、变形缝处不易操作而导致渗漏。施工时附加层要仔细操作;保护好接茬卷材,搭接要满足宽度要求,保证特殊部位的施工质量。7、质量标准7.1主控项目7.1.1SBS改性沥青防水卷材厚度、性能必须符合规范要求,应有合格的出厂证明、检验报告等。7.1.2防水卷材层特殊部位的细部做法,必须符合设计要求和施工验收规范的规定。7.1.3防水层严禁有破损和渗漏现象发生。7.2一般项目7.2.1基层应平整,无空鼓、起砂,阴阳角应弧形或钝角。7.2.2基层处理剂涂刷应均匀,不得有漏刷、透底和麻点现象。7.2.3防水卷材铺附加层的宽度应符合规范要求;分层的接头搭接宽度应符合规范的规定,接头应嵌牢固。7.2.4卷材粘结应牢固,无空鼓、损伤、滑移翘边、起泡、皱折等缺陷。8、安全文明施工8.1操作人员必须持证上岗。8.2施工人员进场后,作业前统一进行安全教育,提高施工队管理人员和工人的安全意识。8.3进入基坑必须戴安全帽。8.4现场应有安全管理人员巡视,发现安全隐患及时清除。8.5施工用的材料和辅助材料多为易燃物质,存放仓库及现场必须通风良好和严禁烟火,备有充足的消防器材,并经常检查其是否失效。8.6地下室外墙立面卷材铺贴时,因肥槽宽度有限,且人员疏散缓慢,务必注意防火,并用空气压缩机向里吹风,防止卷材因烘烤散发的有害气体导致操作人员休克、窒息等。8.7雨天、五级以上大风天气均不得施工。8.8如果施工时,浆液碰上皮肤,先用大量肥皂水冲洗,洗净后敷上油酯膏即可。8.9施工中要避免浆液溅入眼中。若溅入时,应用湿润的脱脂棉浆液蘸出后用清水冲洗,并立即请眼科医生治疗。8.10施工过程中使用过的工具及设备,须及时用二甲苯冲洗便于下次使用。8.11产品保存时要密封、防潮。存放时应保持通风、干澡、防止日光照射,并远离热源火源,存放最佳温度为1-30。9、环保措施及注意事项9.1防水材料以及防水施工所用的汽油等易燃、易爆品必须设专门的库房保管库房内严禁人员住宿,库房应远离生活区,要求室内温度不宜过高,通风良好,悬挂“严禁烟火”的警示牌,并配备足够数量的灭火器等消防设备。9.2搬运防水材料和汽油等要轻拿轻放,严禁扔放,避免摔坏包装罐体造成泄露。9.3防水材料和汽油在堆放时要求码放整齐,按类堆放,堆放高度不宜超过三层,避免最底部的包装罐受压破裂,造成外溢。9.4防水操作人员进场严禁携带火种,严禁在施工现场吸烟或进行其他明火作业。9.5防水施工过程中的废弃物严禁随意丢弃,必须统一交到垃圾站(有毒有害不可回收)进行处理。Employment tribunals sort out disagreements between employers and employees.You may need to make a claim to an employment tribunal if:· you don't agree with the disciplinary action your 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, see Dismissal.You can make a claim to an employment tribunal, even if you haven't appealed against the disciplinary action your employer 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 complaining 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 under Further help.Employment tribunals are less formal than some other courts, 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 listed under Further 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 a damages-based agreement. In England and Wales, your solicitor can't charge you more than 35% of your compensation if you win the case.If you are thinking about signing up for a damages-based agreement, you should make sure you're 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 nearest CAB, including those that give advice by e-mail, click on nearest CAB.For more information about making a claim to an employment tribunal, see Employment tribunals.The (lack of) air up there Watch mCayman Islands-based Webb, the head of Fifa's anti-racism taskforce, is in London for the Football Association's 150th anniversary celebrations and will attend City's 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 it's about how he felt and I would like to speak to him first to find out what his experience was."Uefa has opened disciplinary proceedings against CSKA for the "racist behaviour of their fans" during City's 2-1 win.Michel Platini, president of European football's governing body, has also ordered an immediate investigation into the referee's actions.CSKA said they were "surprised and disappointed" by Toure's 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 paranoid 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 more 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 isn't really grow up, it seems is not so important; Then in high school, think don't 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 already can't 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 chemical 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 person's 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 backed 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 corner at the beginning of deep friendship; Have declared the end of the encounter that haven't 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。Baumgartner 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 level 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 the 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 slowl