中國(guó)石油唐山液化天然氣項(xiàng)目質(zhì)量關(guān)鍵控制點(diǎn)及控制措施

1、中國(guó)石油唐山液化天然氣項(xiàng)目中國(guó)石油唐山液化天然氣項(xiàng)目關(guān)鍵質(zhì)量控制點(diǎn)及措施關(guān)鍵質(zhì)量控制點(diǎn)及措施編制人：編制人：審核人：審核人：審批人：審批人：中國(guó)石油唐山液化天然氣項(xiàng)目中國(guó)石油唐山液化天然氣項(xiàng)目PMCPMC項(xiàng)目部項(xiàng)目部北京興油工程項(xiàng)目管理有限公司北京興油工程項(xiàng)目管理有限公司二〇一一年九月中國(guó)石油唐山LNG項(xiàng)目PMC項(xiàng)目部北京興油工程項(xiàng)目管理有限公司4.15焊接作業(yè)環(huán)境濕度不符合規(guī)范要求...........................

2、................................................664.16底片黑度大，鉛字上焊縫，缺少準(zhǔn)確識(shí)別評(píng)定條件。...........................................674.17管線對(duì)口錯(cuò)邊量超標(biāo).....................................................................................

3、..............674.18已預(yù)制的管段未及時(shí)封堵，有雜物進(jìn)入...................................................................684.19進(jìn)場(chǎng)的工藝管件質(zhì)量不符合要求...............................................................................684.20工藝管線水平度不符合要

4、求.......................................................................................694.21焊接過(guò)程焊條保溫桶敞蓋...........................................................................................694.22管道對(duì)口間隙過(guò)大..........

5、.............................................................................................704.23閥體銹蝕嚴(yán)重...............................................................................................................704.

6、24管道焊縫表面低于母材...............................................................................................714.25焊接過(guò)程中未對(duì)管件采取保護(hù)措施，以致飛濺物殘留在管件表面.......................714.26管道對(duì)口間隙過(guò)小..........................................

7、.............................................................724.27不銹鋼管線氬弧焊接時(shí)未進(jìn)行充氬氣保護(hù)...............................................................724.28不銹鋼管線焊接完后未進(jìn)行酸洗....................................................

8、...........................734.29低溫管托隨意堆放缺少保護(hù)措施...............................................................................734.30管線保冷伸縮縫保護(hù)不到位............................................................................

9、...........744.31保冷管托安裝后保護(hù)不到位.......................................................................................744.32不銹鋼與碳鋼混放..........................................................................................

10、.............754.33玻璃鋼管表面劃傷.......................................................................................................754.34管溝底部未鋪設(shè)墊層...........................................................................

11、........................764.35接頭未打磨處理，直接用玻璃布包纏連接...............................................................764.36保溫絕熱材料現(xiàn)場(chǎng)隨意堆放不符合要求...................................................................764.37鍍鋁外保護(hù)層搭接長(zhǎng)度不足，

12、保冷材料外露...........................................................774.38管線保冷外保護(hù)層不銹鋼帶間距過(guò)大.......................................................................774.39水平管道金屬保護(hù)層的縱向接縫設(shè)置不符合要求...................................

13、................784.40管線保冷外保護(hù)層鋼帶過(guò)長(zhǎng)捆綁松懈.......................................................................784.41管線保冷外保護(hù)層接縫處沒(méi)有涂抹密封劑...............................................................794.42管線保冷主防潮層涂抹不均勻.....