No building or part of building used as a slaughterhouse shall be allowed in this Town without a permit from this Board, and the construction shall be such as to allow perfect flushing, cleansing and drainage into the sewer and shall be under the supervision and approval of this Board.
All sewers in slaughterhouses shall be such that the drainage is direct to the main sewer and shall be independent of any other connection of waste or soil pipes of any adjoining house drains.