DB61-T 1390-2020 城鎮(zhèn)燃氣用聚乙烯管道定期檢驗規(guī)則

DB61/T

2020目 次 ...........................................................................................................................................................II

..............................................................................................................................................................

..........................................................................................................................................

..................................................................................................................................................

......................................................................................................................................................

...................................................................................................................................................... 5.1

....................................................................................................................................................... 5.2

...............................................................................................................................................5.3

...............................................................................................................................................

..............................................................................................................................................

..................................................................................................................................7.1

...............................................................................................................................................7.2

...............................................................................................................................................7.3

...............................................................................................................................................7.4

............................................................................................................................................... 7.5

...................................................................................................................................7.6

................................................................................................................................... 7.7

............................................................................................................................................... 7.8

............................................................................................................................................... 7.9

.......................................................................................................................................7.10

.............................................................................................................................

.............................................................................................................................7.12

.........................................................................................................................

.................................................................................................................................. DB61/T

2020城鎮(zhèn)燃氣用聚乙烯管道定期檢驗規(guī)則

-20

40

0.8

MPa

mm

GB/T

CJJ

63

TSG

D7004DB61/T

polyethylene

全面檢驗 total

inspection的檢

inspection

DB61/T

2020

5.1

D7004

7.12.3

D7004

DB61/T

2020

使用單位應(yīng)根據(jù)檢驗周期，制定全面檢驗計劃，在全面檢驗有效期屆滿前個月向檢驗機構(gòu)提出全

DB61/T

1389a)DB61/T

2020b)2006

c) d) e) f)g) h)i)

DB61/T

1389a)b)c)

d)e) f)g)

DB61/T

1389的要求，采用資料核查和現(xiàn)場巡檢收集的數(shù)據(jù)對失效可能性進行評估，識別

DB61/T

1.00.51.00.50.50.75

0.50.50.51.00.51.00.5DB61/T

2020

a) b) c)d) e)f)g)

a)b)DB61/T

2020c)

d)

e)

f)

g)

h)

i)

j)

DB61/T