This code is applicable to the engineering design of crude oil and natural gas transmission pipelines crossing artificial or natural obstacles (rivers, lakes, swamps, gullies, reservoirs, railways, highways, etc.) in areas where the basic seismic intensity is less than or equal to 9 degrees.
SY/T 0015.2-1998 history
1998SY/T 0015.2-1998 Design code for oil and gas transportation pipeline crossing engineering-Aerial crossing engineering