For either a below-ground swimming pool or an aboveground swimming pool containing in excess of 6,000 gallons, there have been submitted to the Building Inspector detailed plans and drawings for the swimming pool to be covered by said permit, duly certified by a licensed professional engineer that the swimming pool to be constructed, erected, installed, modified, altered, demolished or changed pursuant to said plans and drawings contains or is to contain adequate facilities for the maintenance of the water to be contained therein in a safe and sanitary condition and that the overflow and drainage systems to be provided are adequate to dispose of such water without interfering with adjoining properties, any public water supply system, existing sanitary facilities and the streets, roads and highways of the Village.