Portland, Maine Ordinance on Parking Lots and Hardscaping

This Portland, Maine ordinance establishes that developments with more than five parking spaces must include at least one tree for every 750 square feet of uncovered asphalt parking area, planted in landscaped islands. All uncovered paving for non-vehicular use, including pathways and patios, must either have a minimum Solar Reflective Index (SRI) of 33 initially and 28 once aged three years or include one tree for every 750 square feet of asphalt paving.