Wherever a private sewer is constructed for the use of one or several buildings, it must conform to the following conditions:
A.
Its diameter must not be greater than the main sewer with which it connects.
B.
It must not be carried through any building.
C.
It must not be laid along any sidewalk, and when laid under the roadway, it must not occupy the probable line of any future main sewer.
D.
It must contain a separate spur for each building.
E.
It must be laid to the satisfaction of the Division of Health or its duly authorized agent, in accordance with Village ordinances governing construction of private sewers and, upon completion, must be exposed for its entire length for examination and approval by the Division.