In any district where permitted, a filling station shall be subject to the following regulations:

1.   The area for use by motor vehicles, except access drives, as well as any structures shall not encroach on any required yard area.

2.   No fuel delivery pump shall be located within 20 feet from any side lot line or within 35 feet of any street line and no fuel pump shall be located within 50 feet of the side or rear lot line which lies next to a residence.

3.   All major repair work shall be done within a completely enclosed building.

4.   All automobile parts, dismantled vehicles, and merchandise shall be stored within the confines of the building during the hours when the business is not operating.