Dimensional standards
Servicing
- Geographic extent
- Applies to all lands within the 100-year floodplainFloodplainLand expected to flood at a stated frequency, where building carries extra conditions. as identified on the Flood Insurance Rate Map (FIRM) for the Town of Crewe, shown as Zone A.
Extracted standards
13 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Floodplain
- Anchoring to prevent flotation
Be designed and adequately anchored to prevent flotation, collapse, or lateral movement of the structure;
- Methods to minimize flood damage
Be constructed by methods and practices that minimize flood damage;
- Flood-resistant materials
Be constructed with materials resistant to flood damage;
- Delineate floodway with no increase >1 ft1 ft
The applicant shall also delineate a floodway area based on the requirement that all existing and future development not increase the 100-year flood elevation more than one foot at any one point.
- Lowest floor elevation above BFE1 ft
Have the lowest floor, including basement, elevated to or above the base flood elevation plus one (1) foot;
- Manufactured homeManufactured homeA dwelling built in a factory to a federal standard and transported to the site. elevation on permanent foundation
Have all manufactured homes elevated on a permanent foundation such that the lowest floor of the manufactured home is at or above the base flood elevation and be securely anchored to prevent flotation, collapse, or lateral movement;
- No encroachments increasing flood levels
In the floodplain districts, no encroachments, including fill, new construction, substantial improvements, or other development shall be permitted unless certification by a registered professional engineer is provided by the applicant demonstrating that such encroachments shall not result in any increase in flood levels during the occurrence of the base flood discharge.
- Zoning permit required
All uses, activities, and development occurring within any floodplain district shall be undertaken only upon the issuance of a zoning permit.
- Recreational vehicles >180 days must meet elevation/anchoring180 days
Have all recreational vehicles placed on the site for greater than 180 consecutive days meet the elevation and anchoring requirements for manufactured homes.
- Site plan information required
All applications for development in the floodplain district and all building permits issued for the floodplain shall incorporate the following information: elevation of lowest floor, floodproofing elevation, 100-year flood elevation, and topographic information.
- Subdivision proposals >50 lots or 5 acresacre43,560 square feet — about the size of an American football field without the end zones. must include BFE data50 lots
All new subdivision proposals and other proposed developments (including proposals for manufactured home parks and subdivisions) greater than 50 lots or five acres, whichever is the lesser, include within such proposals base flood elevation data.
- Utilities designed to prevent water entry
Be constructed with electrical, heating, ventilation, plumbing, and air conditioning equipment and other service facilities that are designed and/or located so as to prevent water from entering or accumulating within the components during conditions of flooding;
Other
- Storm drainage facilities design
Storm drainage facilities shall be designed to convey the flow of stormwater runoff in a safe and efficient manner. The system shall insure proper drainage along streets and provide positive drainage away from buildings. The system shall also be designed to prevent the discharge of excess runoff onto adjacent properties.
From the ordinance
In the approximated floodplain district, the development and/or use of land shall be permitted in accordance with the regulations of the underlying district, provided that all such uses, activities, and/or development shall be undertaken in strict compliance with the floodproofing and related provisions...