The Bethel Planning & Zoning Commission will hold a public hearing on a site plan and special permit proposed for 70 Stony Hill Road.  RBA Realty is seeking an addition and site improvements to add a second floor to a medical office building. The hearing will be held tonight at 7pm in Conference Room D of the Municipal Center. The proposed project consists of the addition to an existing one-story office into a two-floor office building with an approximate addition of 3,400 square feet.  32 parking spaces exist on site with two of the spaces marked as accessible. Under the proposed conditions, a total of 46 spaces are to be provided with two of the spaces remaining as accessible.  Access to the site is to be provided via the existing stop-controlled driveway on Old Hawleyville Road. The existing site driveway is proposed to be widened to accommodate the additional parking area to the north of the building.