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.
A 'cultural hierarchy' defines a framework describing social ranking. Broadly expressed as 'having' or 'not having', or 'upper' or 'lower' 'class'. From Centre Orchestra seats at the Theatre to bogside at a Tractor Pull, a cultural hierarchy tries to define why any given person is more comfortable in some situations than in others.