§ 154.2.163
Dimensional standards
Servicing
- Geographic extent
- Chesapeake/Atlantic Preservation Area overlayOverlay districtA second set of rules laid over the base district, adding requirements without replacing it. as designated on the zoning map
Extracted standards
15 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Landscaping & trees
- Vegetation replacement rate for buffer over 1/4 acreacre43,560 square feet — about the size of an American football field without the end zones.
The waterside 50% of the buffer: same as small. The landward 50%: bare root seedlings at 1,210 stems per acre or container grown at 700 per acre.
- Vegetation replacement rate for buffer up to 1/4 acreacre43,560 square feet — about the size of an American football field without the end zones.
For every 400 square-foot unit (20 feet x 20 feet) or fraction thereof plant: one canopy tree at one and one-half to two inches caliper or large evergreen at six feet; and two understory trees at three-quarter inch to one and one-half inches caliper or evergreen at four feet or one understory tree and two large shrubs at three feet to four feet; and three small shrubs or woody groundcover at 15 inches to 18 inches.
Other
- Buffer encroachment for pre-1989 lots
When the application of the buffer areas would result in the loss of a buildable area on a lot or parcel recorded prior to October 1, 1989, encroachment into the buffer area may only be permitted through an administrative waiver or formal exception.
- Resource Protection Area buffer width100 ft
A 100-foot buffer area located adjacent to and landward of the components listed in items 1 through 4 above, and along both sides of any water body with perennial flow.
- Construction access points1 count
Ingress and egress during construction shall be limited to one access point, unless otherwise approved by the Zoning Administrator.
- Erosion and sediment control threshold2,500 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Any land disturbing activity 2,500 square feet or greater, shall comply with the requirements of NCC § 153.01, et seq., Erosion and Sediment Control Ordinance.
- Perennial stream assessment required
If a perennial stream is shown on the county's mapping on any portion of a lot or parcel, a perennial stream assessment must be submitted and accepted prior to approval of a plan of development.
- Plan of development threshold2,500 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Any development or redevelopment exceeding 2,500 square feet of land disturbance shall be accomplished through the approval of a plan of development.
- Protective barrier distance from drip line5 ft
Prior to clearing or grading, suitable protective barriers, such as safety fencing, shall be erected five feet outside of the drip line of any tree or stand of trees to be preserved.
- Reserve sewage disposal site capacity
A reserve sewage disposal site with a capacity at least equal to that of the primary sewage disposal site shall be provided.
- Septic pump-out frequency5 years
All on-site sewage disposal systems not requiring a VPDES permit shall be pumped out at least once every five years.
- Soil and water quality conservation assessment
Land upon which agricultural activities are being conducted shall have a soil and water quality conservation assessment.
- Lot coverageLot coverageThe share of a lot that buildings may cover, as a percentage. threshold for BMP requirement16 pct
Single-family residences separately built and disturbing less than one acre ... shall be exempt as long as when this development or redevelopment exceeds 16% lot coverage, a best management practice (BMP) mitigating for the percentage exceeding 16% shall be installed.
- Tree preservation threshold2 in
Existing trees over two inches in diameter at breast height (DBH) shall be preserved outside the construction footprint in the RMA.
- Wetlands permits required
Prior to initiating grading or other on-site activities on any portion of a lot or parcel, all wetlands permits required by federal, state, and local laws and regulations shall be obtained.
From the ordinance
The CAP overlay district applies to lands designated on the zoning map. Requirements include buffer preservation, vegetation replacement, and plan of development for land disturbance over 2,500 sq ft.