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.
Cultural bias is the phenomenon of interpreting and judging phenomena by standards inherent to one's own culture.umerous such biases exist, concerning cultural norms for color, location of body parts, mate selection, concepts of justice, linguistic and logical validity, acceptability of evidence, and taboos.