Dimensional standards
Servicing
- Applies near
- Chesapeake Bay Preservation Area Overlay DistrictOverlay districtA second set of rules laid over the base district, adding requirements without replacing it.
- Geographic extent
- Chesapeake Bay Preservation Area Overlay DistrictOverlay districtA second set of rules laid over the base district, adding requirements without replacing it. (CBPA) - applies to all lands identified as CBPAs as shown on the OverlayOverlay districtA second set of rules laid over the base district, adding requirements without replacing it. CBPA Map.
Extracted standards
8 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Environmental
- Buffer nutrient reduction40 pct
The 100-foot buffer area shall be deemed to achieve a 75 percent reduction of sediments and a 40 percent reduction of nutrients.
- Buffer sediment reduction75 pct
The 100-foot buffer area shall be deemed to achieve a 75 percent reduction of sediments and a 40 percent reduction of nutrients.
- Buffer area width100 ft
a 100-foot buffer area of vegetation that is effective in retarding runoff, preventing erosion, and filtering non-point source pollution from runoff shall be retained if present and established during development where it does not exist.
- 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.
All development and redevelopment exceeding 2,500 square feet of land disturbance shall be subject to a plan of development process...
- Post-development phosphorus load0.45 lbs/acreacre43,560 square feet — about the size of an American football field without the end zones./yr
the post-development non-point source pollution runoff load shall not exceed the pre-development load, based on the CBLAD default average watershed load of 0.45 pounds of phosphorus per acre per year.
- Redevelopment pollution reduction10 pct
Redevelopment of any site shall achieve at least a 10 percent reduction of the nonpoint source pollution in runoff compared to the existing runoff load from the site.
- 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.
- Tree preservation diameter12 in
Existing trees over 12 inches diameter at breast height (DBH) shall be preserved outside the construction footprint.
From the ordinance
The Chesapeake Bay Preservation Area Overlay District shall apply to all lands identified as CBPAs as designated by the Town Council and as shown on the Overlay CBPA Map reference map...