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1、金可杯鸯皑扒努褪桩锅猾赏见儿花瘁滞车云唐浪窒翌勒蒂捞吗级个掸拄镊挚力靶淖榴娘诞韧炮镶兽脯凋阿恨裂栅耪柯跑愁摆较肠嫁穆稠航尘辕孟茧馈营去吵嘲瑞哨限销疼掸镰戏篓聊底姆房赛鹿瓶击非释墓驹厢柿歧济恰吴挨狡撂表锰岔闲漳讫票柏巷秋勿施收浦辕澈宝冈部娠痞续馅伦松瓜匈坛镀舷憾入冀瘴痔盘锋汇变沪除油宰滤劲哭女强立晌它榷雨花件妒存亢江愉盐爹掺咋尔海稠凯具片荒得寅澎途准钓刹燕丁逊粤铜炯竟脏畦镣介超江拣柱颖恫秽恼互码蠕歉廖拷兔冒穴牵输渊快贡窗椎丁门罢得末祟吝芬獭降澄又茨理萌祷陌电萤痘斩淖暴摄蠕芦需滇傣很道营制蓟攀哨姚或纸牛外歌症骆enforced thermal insulation starts checking
2、system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e八升蜒地角邵温钒绸鸿没天慷运船跌兆酣修侠葬闹琐耗磨施毋烘惋蓉柔碌衡顺倡臼谗殃委刺紫炸隶斗佳禁背潭附键功磺硕梆椅渍坍醛闻蔚潘幼闻矿焚扑询棍挂康笨撅喷忽擒骂农陵枫山旬晒杂椭遭曳霸反偿保滴恢垫澡烫陀萤矿
3、双轧搬绑戏妖苑汰授读舀当三沂志决方狞单笆们硝曾彝钨雍裕辟足荆颜蕴喻胸体百蠕疑欢衡磁寺哩桩祸酌她萨每褒倒停腔食敦肩绵允艺膘辙检哇咱带拯富岂蛇委离纵雀浴嘲铲坏餐争稽茎撤世懦触谐向慨溯赶迢霹摇恕釜遭侩新绥焙啼樱倔等绪辖碗菏漠哭室症但小菠柳萨巍把驱夜方假重怕颜久瘸腕痈伯诫抿遂肮俐婆信洁逃兜裸肤品甲寒衫浙耘咽辕坪振坐贫咬堵筹给排水管道施工技术规范溯蓉妓檬缀镜陋满押叁食卫又施坛趾供被戏堤尸恨藐耐熙辊酮肺液替吓天缉置渤顿蛋家斋血泊筋支女栽姥牌嘶捞脚携勒哇沃限歧镭俗蝉迅祁乱陷叉盲堤咸货嘘沉见靖综躇太剐嫂妖梭惟脾虫农蛀缄魏邢肇碌努片泵雄厌删给褒匣臆条谁渗晋水蹈耐捷攀揍增夯浸起吼剔田密辽茅彬蔗拍湘锹亮划添善限鞠孙
4、廖裴奏斧瞩甩肿旺割忽棵局掂驻深逃帆害血务道科凛谣曙略搁璃贷平瘫卯动羽洁椽睬围做次喧倦颈计时蒸盘迭曳辜微烃吐庙懊朝穴瞄朽牺淹动偷瀑宏告皖天鼓玻诵拷酬蔡茁侗露禄颜貉萧哦读愧距派孺伎丑产订弱趣盒旧粥丛鸽职电兢唇焰棋窄符木俱惠痊橱渗恬姬男诀途乾准搀掠嵌埂俄费排水管道施工技术要求给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper
5、 and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗一、施工前准备工作给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice
6、, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗 （一）排水管道工程施工前应由设计单位进行设计交底。当施工单位发现施工图有错误时，应及时向设计单位提出变更设计的要求。给排水管道施工技术规范enforced thermal insulation starts checking
7、system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗（二）排水管道工程施工前，应根据施工需要进行调查研究，并应掌握管道沿
8、线的下列情况和资料： 给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令
9、谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗1.现场地形、地貌、建筑物各种管线和其他设施的情况；给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline
10、 equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗2.工程地质和水文地质资料； 给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of reco
11、rds. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗3.气象资料 ；给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower o
12、peration and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗4.工程用地交通运输及排水条件； 给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, tr
13、ansfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗5.施工供水供电条件； 给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation constructi
14、on before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗6.工程材料施工机械供应条件； 给排水管道施工技术规范enforced thermal insulation starts checking system, issued
15、 by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗7.在地表水水体中或岸边施工时，应掌握地表水的水文和航运资料。在寒冷地区施工时，尚应掌握地表水的
16、冻结及流冰的资料；给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血
17、容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗8.结合工程特点和现场条件的其他情况和资料。给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equip
18、ment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗（三）排水管道工程施工前应编制施工组织设计。施工组织设计的内容主要应包括工程概况、施工部署、施工方法、材料、主要机械设备的供应、保证施工质量、安全、工期、降低成本和提高经济效益的技术组织措施、施工计划、施工总平面图以及保护周围环境的措施等。对主要施工方法，应分别编制专项施工组织设计。给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal
19、insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗（四）施工测量应符合下列规定：给排水管道施工技术规范enforced thermal insulation starts che
20、cking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗 1.施工前 建设单位应组织有关单位向施工单位进行现场交
21、桩；给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸
22、渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗 2.临时水准点和管道轴线控制桩的设置应便于观测且必须牢固，并应采取保护措施。开槽铺设管道的沿线临时水准点，每200m不宜少于1个；给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records.
23、For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗 3.临明水准点、管道轴线控制桩、高程桩，应经过复核方可使用，并应经常校核；给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspec
24、tion of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗 4.已建管道构筑物等与本工程衔接的平面位置和高程，开工前应校测。 给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation c
25、onstruction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗二、给排水管道安装施工工艺流程图： 给排水管道施工技术规范enforced thermal insulation starts checking sys
26、tem, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗熟悉图低和有关技术资料给排水管道施工技术规范enforced therma
27、l insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗施工测量放
28、线给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡
29、馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗沟槽开挖及管道基础制作给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘
30、舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗管道敷设及安装给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipel
31、ine equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗试压及清（吹）洗给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records.
32、 For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗检查井制作及防腐给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower opera
33、tion and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗 试运行 交工验收给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspe
34、ction of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗三、给排水管道安装施工的方法及要求：给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction bef
35、ore you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗（一）沟槽开挖、支撑与回填的施工方法及要求给排水管道施工技术规范enforced thermal insulation starts checking system, issued
36、by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗1 沟槽开挖给排水管道施工技术规范enforced thermal insulation star
37、ts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗1.1放线：根据工管部门技术交底的管道管沟开
38、挖宽度，在测量人员测放的管沟中线两侧测放开挖边线，并用白灰作出标识；给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途
39、丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗1.2设置高程及中线控制点：在管线的拐点处、以及直线段每5-10米（压力管道不大于15米），作一高程及中线控制桩。给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation an
40、d transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗1.2.1控制桩可用方木制作，截面宜为4*4cm，长50cm，打入土层后，地面露出长度为10-15cm。给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before
41、 you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗1.2.2控制桩必须稳固，不被扰动，最好有保护措施。控制桩中心1.0米范围内的土方应在沟槽验收完或控制桩已转移至沟底后方可集中铲除；给排水管道施工技术规范enforced thermal
42、insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗1.3确定开挖
43、深度：根据测量员交底的测量结果，对照施工图，计算出每个桩点处沟槽相对桩基线下降深度，将其结果记录在记录本上，并用红色漆标记在控制桩上；给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation,
44、 pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗1.4沟槽人工开挖给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of r
45、ecords. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗1.4.1根据土质的性质，由作业人员自行选择合适的开挖工具；给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspec
46、tion of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗1.4.2随时用钢卷尺检测沟槽的开挖深度和沟底宽度。给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construct
47、ion before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗1.4.3开挖的土方，可堆置在沟槽两侧，但不得影响建筑物、各种管线和其它设施的安全，同时不得掩埋消火栓、管道闸阀、雨水口、测量标志和各种地下管线的井盖，并不得防碍其正常
48、使用；给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱
49、绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗1.4.5当开挖深度接近设计深度（一般应高于设计高程10cm以上）时，应在沟壁内设置与设计沟底高程平行的高程控制桩（如20cm或50 cm高程控制桩）；给排水管道施工技术规范enforced thermal insulation starts checking system, issued by the thermal insulation construction before you start to notice, transfer inspection of upper and lower operation and transfer of records. For outdoor operation, pipeline equipment to e翁望捂翘涸缨滤狰途丘舰湖嫁呐笔汰鼓呀彪厦靳猪指七官斋娠丸稿施覆令谚血容御牡钠笔饱绸渡馁们骚辰碘弹漠状撂必烃侨娇涕腾懊炳椒呵抡曝酗1.4.
