厂区消防给水管道施工方案

厂区消防给水管道施工方案 44.施工准备： 5 6 8 1.1、工程名称：阳泉煤业（集团）有限责任公司西上庄2×660MW低热值1.4、阳泉煤业（集团）有限责任公司西上庄2×660MW低热值煤发电项目工程的厂址，位于阳泉市区平坦镇西南方向直线距离约13.6k耕地及部分荒地。厂址区域面积可满足本工程2×660MW间接空冷发电厂的布2.2、《给水排水管道工程施工及验收规3.5、阀门井的砌筑参见《给水排水标准图集》05S502-26；消火栓井的砌3.9、未尽事宜按《给水排水管道工程施工及验收时每隔20米设置中心线标志桩。人指挥，以免破坏其它已建构筑物或设施，距管沟下部20cm范围以内采用人平稳，各吊点应协调一致，不得使管道产生7.7.4检查方法用环刀法检查或采用现行国家标准《土工试验方法标准》a.浇筑前，钢筋、模板应检验合格，采用设免机器在滚槽时震动而影响压槽质量,根据管子大小调节好支架,保证机器9.2.1、用切管机将钢管按所需长度切断。切口应与管中心垂直,切口平9.2.2、将需滚槽加工的钢管放置在滚槽机下滚轮和钢管支承尾架上,支壁,均匀滚压钢管,直至达到预先设定的沟槽深度(见图2)为止。规格密封面沟槽宽槽底直径C沟槽深最小壁厚管端张口公称直径实际外径OD公差AB标准公差D（参考）TF2026.7+0.25-0.2515.887.1423.83-0.3829.23/41.050+0.010-0.0100.6250.2810.938-0.0150.0560.0652533.4+0.33-0.6815.887.1430.23-0.3834.511.315+0.013-0.0270.6250.2811.190-0.0150.0630.06542.4+0.41-0.6015.887.1438.99-0.3845.01.660+0.016-0.0240.6250.2811.535-0.0150.0630.0654048.3+0.48-0.5215.887.1445.09-0.3851.11.900+0.019-0.0200.6250.2811.775-0.0150.0630.0652.01OD57.0+0.61-0.6115.888.7453.85-0.3859.72.250+0.024-0.0240.6250.3442.120-0.0150.0630.0652.3560.3+0.61-0.6115.888.7457.15-0.3863.022.375+0.024-0.0240.6250.3442.250-0.0150.0630.0652.486573.0+0.74-0.7415.888.7469.09-0.462.1175.72.875+0.029-0.0290.6250.3442.720-0.0180.0780.0832.986576.1+0.76-0.7615.888.7472.26-0.462.1178.73.000+0.030-0.0300.6250.3442.845-0.0180.0780.0833.108088.9+0.89-0.7915.888.7484.94-0.462.1191.433.500+0.035-0.0310.6250.3443.344-0.0180.0780.0833.6090101.64.000+1.02+0.040-0.79-0.03115.880.6258.740.34497.383.834-0.51-0.0202.110.0832.110.083104.14.10OD108.04.262+1.09+0.043-0.79-0.03115.880.6258.740.344103.734.084-0.51-0.0202.110.0832.110.083110.54.354114.34.500+1.14+0.045-0.79-0.03115.880.6258.740.344110.084.334-0.51-0.0202.110.0832.110.083116.84.60127.05.000+1.27+0.050-0.79-0.03115.880.6258.740.344122.784.834-0.51-0.0202.110.0832.410.095129.55.10OD133.05.250+1.35+0.053-0.79-0.03115.880.6258.740.344129.135.084-0.51-0.0202.110.0832.770.109135.95.35OD139.75.500+1.42+0.056-0.79-0.03115.880.6258.740.344135.485.334-0.51-0.0202.110.0832.770.109142.25.605141.35.563+1.42+0.056-0.79-0.03115.880.6258.740.344137.035.395-0.51-0.0202.110.0832.770.109143.85.66OD159.06.260+1.60+0.063-0.79-0.03115.880.6258.740.344154.686.090-0.56-0.0222.160.0852.770.109161.36.35OD165.16.500+1.60+0.063-0.79-0.03115.880.6258.740.344160.786.330-0.56-0.0222.160.0852.770.109167.66.606168.36.626+1.60+0.063-0.79-0.03115.880.6258.740.344163.966.455-0.56-0.0222.160.0852.770.109170.96.732008203.28.000+1.60+0.063-0.79-0.03119.050.75011.910.469198.537.816-0.64-0.0252.340.0922.770.109207.58.17200A8216.38.500+1.60+0.063-0.79-0.03119.050.75011.910.469211.618.331-0.64-0.0252.340.0922.770.109220.78.692008219.18.626+1.60+0.063-0.79-0.03119.050.75011.910.469214.408.441-0.64-0.0252.340.0922.770.109223.58.80250A267.4+1.60-0.7919.0511.91262.6-0.692.393.40271.810.500+0.063-0.0310.7500.46910.339-0.0270.0940.13410.70250273.0+1.60-0.7919.0511.91268.28-0.692.393.40277.410.750+0.063-0.0310.7500.46910.562-0.0270.0940.13410.92300318.4+1.60-0.7919.0511.91312.90-0.692.773.96322.812.500+0.063-0.0310.7500.46912.319-0.0270.1090.15612.71300323.9+1.60-0.7919.0511.91318.29-0.692.773.96328.212.750+0.063-0.0310.7500.46912.531-0.0270.1090.15612.929.2.5、转动卸压螺丝,将液压泵卸压,使上轧辊上升离开钢管沟槽,卸下9.3.1、安装前应对钢管端部进行检查。消除毛刺及有可能影响密封的地9.3.2、在密封圈的唇部、侧部及背部均匀涂上润9.3.3、先将密封圈套上一根钢管的密封位置,然后将另一根钢管对齐,把密封圈套上。使密封圈位于两管接口的中间位置,两管端间隙应符合标准否安装牢固、可靠。确认合格后即可进行试压。当管道内充满介质、有压力10.3、钢管压槽时应缓缓用力，用力过猛容易造成钢管末端出现喇叭口。10.4、在安装过程中应注意管道在压力、温度及施工等方面产生的管道位11.2、管沟开挖前，正确使用安全工具和安全标志，做好安全围护工作，11.4、进入