Water and sewer line need a horizontal separation of (5) five feet. Where. crossings are necessary, encase the sewer line with a continuous ductile iron pipe. of sufficient length, located such that a minimum (5) five feet separation exists. between each end of the casing pipe and the water line.
The difference has to do with cultural norms. The term 'culture' refers to attitudes and patterns of behavior in a given group. 'Norm' refers to attitudes and behaviors that are considered normal, typical or average within that group.
1. cultural-of or relating to the arts and manners that a group favors; cultural events; a person of broad cultural interests. 2. cultural-denoting or deriving from or distinctive of the ways of living built up by a group of people; influenced by ethnic and cultural ties- J.F.Kennedy; ethnic food.