§ 154.2.163(N)
Dimensional standards
Height & bulk
Servicing
- Geographic extent
- Applies to all development or redevelopment exceeding 2,500 square feetsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000. of land disturbance.
Extracted standards
16 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Environmental
- Buffer restoration rate (bare root seedlings per acreacre43,560 square feet — about the size of an American football field without the end zones.)1,210 stems/acreacre43,560 square feet — about the size of an American football field without the end zones.
Bare root seedlings or whips at 1,210 stems per acre, approximately six feet x six feet on center (minimum survival required after two growing seasons: 600 plants)
- Buffer restoration rate (canopy trees per 400 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000. unit)1 trees/400sqft
For every 400 square-foot unit (20 feet x 20 feet) or fraction thereof plant: one canopy tree at one and one-half inches 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
- Buffer restoration rate (container seedlings per acreacre43,560 square feet — about the size of an American football field without the end zones.)700 seedlings/acreacre43,560 square feet — about the size of an American football field without the end zones.
Container grown seedling tubes at 700 per acre approximately eight feet x eight feet on center (minimum survival required after two growing seasons: 490 plants)
- Buffer restoration rate (small shrubs per 400 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000. unit)3 shrubs/400sqft
For every 400 square-foot unit (20 feet x 20 feet) or fraction thereof plant: one canopy tree at one and one-half inches 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
- Buffer restoration rate (understory trees per 400 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000. unit)2 trees/400sqft
For every 400 square-foot unit (20 feet x 20 feet) or fraction thereof plant: one canopy tree at one and one-half inches 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
- Major water quality impact assessment minimum disturbance5,000 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
A major water quality impact assessment shall be required for any development activities which exceed 5,000 square feet of land disturbance within the CAP and propose to modify or encroach into the landward 50 feet of the 100-foot buffer area; propose to disturb or encroach into any portion of the seaward 50 feet of the 100-foot buffer area or any other component of an RPA; or are located completely in an RMA and is deemed necessary by the Zoning Administrator.
- Minor water quality impact assessment maximum disturbance5,000 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
A minor water quality impact assessment pertains only to development activities within the CAP which cause no more than 5,000 square feet of land disturbance and require any modification of or encroachment into the landward 50 feet of the 100-foot buffer area as permitted under this chapter.
- Minor WQA required nutrient removal40 pct
A minor assessment must demonstrate that the undisturbed buffer area, enhanced vegetative plantings, and any required best management practices will result in removal of no less than 75% of sediments and 40% of nutrients from post-development stormwater runoff
- Minor WQA required sediment removal75 pct
A minor assessment must demonstrate that the undisturbed buffer area, enhanced vegetative plantings, and any required best management practices will result in removal of no less than 75% of sediments and 40% of nutrients from post-development stormwater runoff
- RPA 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
Other
- BMP trigger (lot coverageLot coverageThe share of a lot that buildings may cover, as a percentage.)16 pct
when this development or redevelopment exceeds 16% lot coverage, a best management practice (BMP) mitigating for the percentage exceeding 16% shall be installed on the same lot as the development or redevelopment.
- Plan of development threshold (land disturbance)2,500 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 prior to any clearing or grading of the site or the issuance of any building permit, to assure compliance with all applicable requirements of this chapter.
- Replacement ratio (trees/shrubs outside buffer)3 planted per removed
When the encroachment is outside the buffer area replacement of existing trees and other vegetation will be achieved at a ratio of three planted trees or shrubs to one removed.
- Replacement shrub minimum container size3 gal
shrubs shall be a minimum of three-gallon container
- Replacement tree minimum caliper2 in
Replacement trees shall be a minimum two-inch caliper at the time of planting
- Stormwater management plan exemption (single-familySingle-family dwellingOne dwelling unit on its own lot, usually detached from its neighbours.)43,560 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
single-family residences separately built and disturbing less than one acre and not part of a larger plan of development or sale, including additions or modifications to existing single-family detached residential structures shall be exempt
From the ordinance
Any development or redevelopment exceeding 2,500 square feet of land disturbance shall be accomplished through the approval of a plan of development prior to any clearing or grading of the site or the issuance of any building permit, to assure compliance with all applicable requirements of this chapter.