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 adj Cultural means relating to a particular society and its ideas, customs, and art. ...a deep sense of personal honor which was part of his cultural heritage., ...the Rajiv Gandhi Foundation which promotes cultural and educational exchanges between Britain and India.