26.1-31-13, 26.1-31-12, 26.1-31-14, 26.1-31-4(c), 26.1-31-4-2, 26.1-31-1
Dimensional standards
Servicing
- Geographic extent
- Applies to all areas subject to flooding as delineated on the Flood Insurance Rate Map.
Extracted standards
12 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Other
- Abrogation and greater restrictions
This article supersedes any ordinances currently in effect in flood-prone areas; however, any underlying ordinance shall remain in full force and effect to the extent that those provisions are more restrictive.
- Anchoring force capacity4,800 lbs
All components of the anchoring system shall be capable of carrying a force of four thousand eight hundred (4,800) pounds.
- Base flood elevation data for subdivisions
Base flood elevation data shall be provided for subdivision proposals and other proposed development proposals (including manufactured home parks and subdivisions) that exceed fifty (50) lots or five (5) acres, whichever is the lesser.
- FillGrading (cut & fill)Reshaping land by removing earth (cut) or adding it (fill), often capped by volume. extension for nonresidential structures15 ft
For nonresidential structures, fill shall be placed to provide access acceptable for the intended use. At grade, access with fill extending laterally fifteen (15) feet beyond the building line shall be provided to a minimum of twenty-five (25) percent of the perimeter.
- FillGrading (cut & fill)Reshaping land by removing earth (cut) or adding it (fill), often capped by volume. extension for residential structures50 ft
For residential structures, fill shall extend laterally fifty (50) feet beyond the building line from all points.
- Maximum fillGrading (cut & fill)Reshaping land by removing earth (cut) or adding it (fill), often capped by volume. slope0.5 ratio
Fill slopes shall be no steeper than one (1) vertical on two (2) horizontal.
- Hydrostatic flood openings
Provide a minimum of two (2) openings on different sides of each enclosed area subject to flooding. The total net area of all openings must be at least one (1) square inch for each square foot of enclosed area subject to flooding. The bottom of all required openings shall be no higher than one (1) foot above the adjacent grade.
- Lowest floor elevation for nonresidential structures
All new construction and substantial improvements of nonresidential structures must have the lowest floor (including basement) elevated to or above the base flood elevation or, together with attendant utility and sanitary facilities, be designed so that below the base flood elevation the structure is watertight with walls substantially impermeable to the passage of water.
- Lowest floor elevation for residential structures
All new construction and substantial improvements of residential structures must have the lowest floor (including basement) elevated to or above the base flood elevation.
The floodplain districts shall be overlays to the existing underlying districts. If there is any conflict, the more restrictive provisions and/or those pertaining to the floodplain districts shall apply.
- Permit required
All uses, activities, and development occurring within the land subject to flood shall be undertaken only upon the issuance of a zoning and/or building permit.
- Site plan requirements for floodplainFloodplainLand expected to flood at a stated frequency, where building carries extra conditions. development
The building inspector shall require specific information as part of an application for a building permit for new construction or substantial improvements within areas subject to flood, including site plan, topographic information, and plans for elevation or floodproofing.
From the ordinance
In order to prevent excess damage to buildings and structures due to conditions of flooding, the following restrictions shall apply to all new construction and to construction of substantial improvements to existing structures occurring in those areas subject to flooding.