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【多选题】
燃气管道随桥梁敷设，应采取的安全防护措施包括( )A.
敷设于桥梁上的燃气管道应采用加厚的无缝钢管或焊接钢管，尽量减少焊缝，对焊缝进行100%无损探伤
B.
在确定管道位置时，应与随桥敷设的其他可燃的管道保持紧靠
C.
跨越通航河流的燃气管道管底标高，应符合通航净空的要求，管架外侧应设置护桩
D.
过河架空的燃气管道向下弯曲时，向下弯曲部分与水平管夹角应采用60。形式
E.
对管道应做较高等级的防腐保护
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