One space per each 200 square feet of gross floor area for office use or accessory retail use.

One space per 400 square feet of gross floor area constructed in accordance with subsection 16-5.9 and this code.

In warehousing and industrial uses where application of the foregoing requirement would be impracticable, the land use board may permit a reduction in the amount of parking area actually constructed but shall require at least one parking space per employee assigned to the site and one parking space for each vehicle owned and operated by the site. A reserve area shall be provided for the balance of the required parking. Site grading, drainage and landscape to be shown on the site plan for the reserve area.

There shall be provided sufficient off-street parking to accommodate the maximum demand without use of on-street curbside spaces, driveways, lawn area or other areas not designated and constructed as off-street parking spaces.