Convert an established pipe-cover requirement into a trench section.
Obtain this value from your utility or approved design. It is not a frost prediction.
Outside diameter, not nominal bore.
Use the project bedding specification.
Illustrative trench depth
1.332m
Pipe centreline depth
1.216m
Depths are below finished grade and cover is measured to the pipe crown. Does not determine foundation depth, excavation support, traffic protection or required frost cover.