Where the lot or parcel of land upon which any stable, barn, shed or other building is maintained in which there is kept more than one horse, mule or other animal fronts on any street in which is constructed a sewer the following requirements shall be complied with:

The drainage from all single and box stalls where a horse, mule or cow is kept or housed, must in all cases be connected to the street sewer. The floor of all said stalls must be made impervious to water, and the drainage from said stalls must be conducted to the sewer either in tile or cement gutters of a radius of not less than two inches. The said gutters shall discharge into a three-inch or four-inch trap before entering the main sewer. The trap must be protected in all cases by a strainer and be easy of access for cleaning purposes. (Ord. 557-NS § 18, 1918)