Article XIVA, Sec. 90-664
Dimensional standards
Servicing
- Applies near
- Chesapeake Bay
- Geographic extent
- Applies to all lands designated as Chesapeake Bay Preservation Areas, including resource protection areas (RPA) and resource management areas (RMA) as shown on the Official Preservation Area DistrictZoning districtA mapped area with one set of rules, identified by a code like R-1 or B-2. Map. RPA includes tidal wetlands, nontidal wetlands, tidal shores, and a 100-foot buffer adjacent to water bodies with perennial flow. RMA is 150 feet wide or includes floodplains, highly erodible soils (steep slopes >15%), highly permeable soils, and nontidal wetlands not in RPA.
Extracted standards
18 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Landscaping & trees
- Pervious surfaces for parking areas
Pervious surfaces, such as grid and modular pavements, shall be used for any required parking area, alley or other low traffic driveway
- Protective barrier distance from drip-line5 ft
suitable protective barriers, like safety fencing, shall be erected five feet outside the drip-line of any around [sic] any tree or stand of trees to be preserved.
- Minimum DBH for replacement trees1.5 in
Replacement trees shall be a minimum one and one-half inches DBH at the time of planting.
- Minimum DBH for tree preservation6 in
Existing trees over six inches in diameter at breast height (DBH) shall be preserved outside the approved construction footprint.
- Tree replacement ratio3 ratio
replacement of existing trees and other vegetation will be achieved at a three planted trees to one removed.
Other
- AgriculturalAgricultureRaising crops or livestock, generally including the structures that serve them. pollution reduction40 pct
achieve a 40-percent reduction in nonpoint source pollution from agricultural uses.
- Seaward buffer encroachment limit50 ft
The encroachment may not extend into the seaward 50 feet of the buffer area.
- Resource Protection Area buffer width100 ft
a vegetated buffer area not less than 100 feet in width located adjacent to and landward of the components listed in subsections (a) through (d) above, and along both sides of any water body with perennial flow.
- Maximum phosphorus loading0.45 lbs/acreacre43,560 square feet — about the size of an American football field without the end zones./yr
the post-development nonpoint source pollution runoff load shall not exceed the pre-development load, based on the average total phosphorus loading of 0.45 pounds per acre per year.
- Land disturbance threshold for plan of development2,500 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 a plan of development process
- Redevelopment pollution reduction10 pct
the nonpoint source pollution load shall be reduced by at least ten percent.
- Reserve sewage disposal site required
A reserve sewage disposal site with a capacity at least equal to that of the primary sewage disposal site shall be provided on each lot or parcel proposed for new construction.
- Resource Management Area width150 ft
the resource management area shall be provided contiguous to the entire inland boundary of the resource protection area, and shall consist of an area 150 feet in width
- Septic system pump-out frequency5 years
Systems shall be pumped out at least once every five years
Parking
- Two-way aisle width22 ft
Two-way aisles shall be a minimum of 22 feet in width.
- Parking space length18 ft
parking space length shall be 18 feet
- Parking space size162 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Parking space size shall be 162 square feet.
- Parking space width9 ft
Parking space width shall be nine feet
From the ordinance
The Chesapeake Bay Preservation Area (CBPA) Overlay District shall apply to all lands identified as a CBPAs as designated by the county and as shown on the Official Preservation Area District Map.