FRANCESTOWN ZONING ARTICLE IIA CONSERVATION OVERLAY DISTRICTS 2-A.3 STEEP SLOPE DISTRICT. 2-A.3.1 Purpose. The purposes of the Steep Slope District are to prevent development on slopes in excess of 25 percent and to reasonably regulate development on lesser slopes. Development on steep slopes causes soil erosion and stream sedimentation; unnecessary loss of vegetative and ground cover and destruction of trees; on-site waste disposal problems; difficult street construction; and expensive street maintenance. 2-A.3.2 Description, of Steep Slopes District. The Steep Slope District includes all areas of Francestown with slopes of 15 percent or more. The slope of the natural terrain shall be determinative of whether or not land is within the district. As a general guide, areas of steep slopes are delineated on the Slopes Plan prepared as part of the Francestown Master Plan. 2-A.3.3 Permitted Uses (1) Slopes of 25% or More: On slopes of 25% or more only the following uses that do not result in the erection of any structure, road, driveway, or other surface alteration are permitted: PAGE 4 (a) Forestry and tree farming using best management practices in order to protect streams from damage and to prevent sedimentation. (b) Agriculture, including grazing and maintenance/harvesting of hay fields. (c) Drainage ways, streams, creeks or other paths of normal water runoff. (d) Wildlife refuges, conservation areas and nature trails. (2) Sloves from 15% to 24%: Uses otherwise permitted by this ordinance may be constructed on slopes from 15% to 24% provided that: (a) A Sediment and Erosion Control Plan is certified by the Planning Board according to standards and procedures described in the Towns Subdivision and Site Development regulations; and (b) There is an adequate on-site water supply for fire fighting as determined by the Board of Selectmen in consultation with the Fire Chief and (c) No road grade exceeds 10%; and (d) All federal, state and local approvals have been received. 2-A.3.4 Special Exceptions. In the Steep Slope District only the following uses may be allowed by special exception. AD applications for special exception uses in the Steep Slope District shall be referred by the Zoning Board of Adjustment to the Conservation Commission at least eight (8) days prior to the hearing for review and comment. (1) Alpine ski trails/slopes and lift facilities. 2-A.3.5 Prohibited Uses on Slopes of 25% or more. (1) Septic Systems.