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MODEL ORDINANCE that would otherwise be buildable under
<br /> local,state and federal regulations,so that .,y; Y f k ' -
<br /> PROVISIONS FOR their development potential is not reduced t s • , • - I.
<br /> CONSERVATION by this designation.Such density credit may `. t: r
<br /> be applied to other unconstrained parts of
<br /> � ": � �,
<br /> 0BDIVISION DESIGN the site. •
<br /> «' k. ,,,It 1 • s`�
<br /> ...The locations of Secondary Conserva-
<br /> MINIMUM
<br /> a
<br /> MINIMUM PERCENTAGE tion Areas shall be guided by the maps and f' '.4- -" e �i'� ;`'.421, ' '� 4.'
<br /> OF OPEN SPACE policies contained in the Open Space, * ormi .,t . "` , { 1r
<br /> The minimum percentage of land that Recreation,and Environmental Resources r • . ° • 1-;I l',.: '1'1" ,4•:,......v.4:*-,,,,`
<br /> shall be designated as permanent open Element of the comprehensive plan,and Mown trail through open space.Stillmeadow
<br /> space,not to be further subdivided,and shall include all or part of the following development.Waukesha County,Wisconsin.
<br /> protected through a conservation ease- kinds of resources:mature woodlands,
<br /> ment... aquifer recharge areas,areas with highly *Are conservation
<br /> A minimum of fifty percent(50%)of the permeable("excessively drained")soil,sig- subdivision regulations
<br /> total tract area,after deducting the follow- nificant wildlife habitat areas,sites listed on fair to developers?
<br /> ing kinds of unbuildable land... the [state natural areas inventory],prime Conservation Design rearranges the
<br /> wetlands...floodway and floodway fringe farmland,historic,archaeological or cultur- development on each parcel as it is
<br /> within the 100-year floodplain...land with al features listed(or eligible to be listed)on being planned so that half(or more) of
<br /> slopes exceeding 25%,or soils subject to national,state or county registers or inven- the buildable land is set aside as open
<br /> slumping...land required for street rights- tones,and scenic views into the property
<br /> of-way(10%)of the net tract area)...land from existing public roads.Secondary Con- space.Without controversial"down
<br /> under permanent easement prohibiting servation Areas therefore typically consist of zoning," the same number of homes
<br /> future development... upland forest,meadows,pastures,and farm can be built in a less land-consumptive
<br /> LOCATION OF OPEN SPACE fields,part of the ecologically connected manner,allowing the balance of the
<br /> matrix of natural areas significant for property to be permanently protected
<br /> The location of open space conserved wildlife habitat,water quality protection, and added to an interconnected net-
<br /> through compact residential development and other reasons.Although the resource work of community green spaces.This
<br /> shall be consistent with the policies con- lands listed as potential Secondary Conser- "density-neutral" approach provides a
<br /> tained in the Open Space,Recreation,and vation Areas may comprise more than half fair and equitable way to balance con-
<br /> Wonmental Resources Element of the of the remaining land on a development servation and development objectives.
<br /> rehensive plan,and with the recom- parcel(after Primary Conservation Areas Conservation zoningis
<br /> fundamen-
<br /> mendations contained in this section and have been deducted),no applicant shall be
<br /> I
<br /> the following section("Evaluation Criteria"). required to designate more than 50%of that tally fair because it allows landowners I
<br /> Open space shall be comprised of two remaining land as a Secondary Conserva- -c ,;Ps n• r'I
<br /> types of land:"Primary Conservation tion Area.
<br /> i
<br /> Areas"and"Secondary Conservation , :,,-V,1 )1E. r �,,,�., •' ' r
<br /> EVALUATION CRITERIA l i
<br /> Areas."All lands within both Primary and �' �+ .` ! `
<br /> Secondary Areas are required to be protect- In evaluating the layout of lots and open ,� —t ! • '4 ps i ~-'r�V
<br /> ed bya permanent conservation easement, space,the following criteria will be consid- ir `� 1. :%,d.'• 0 i r '�
<br /> prohibiting further development,and set- ered by the Planning Commission as indi- �, ` s `�► ' = ti.�'
<br /> P g
<br /> ting other standards safeguarding the site's eating design appropriate to the site's i'' L ' f y ?•� '�L! i
<br /> special resources from negative changes. natural,historic,and cultural features,and ;'...X.>] i- + ]
<br /> meeting the purposes of this ordinance. �''
<br /> 1.Primary Conservation Areas. :1'•; i, t
<br /> Diversity and originality in lot layout shall r 4.---,I-; - am 17 •
<br /> This category consists of wetlands,lands be encouraged to achieve the best possible s ' --'* * ' '-
<br /> that are generally inundated(under ponds, relationship between development and con- a it , — -_
<br /> lakes,creeks,etc.),land within the 100-year servation areas.Accordingly,the Planning ''gl .. ; .:
<br /> floodplain,slopes exceeding 25%,and soils Commission shall evaluate proposals to Alir. •" a� . _�
<br /> subject to slumping.These sensitive lands determine whether the proposed conceptu- fi ar .
<br /> are deducted from the total parcel acreage al preliminary plan:
<br /> to produce the"Adjusted Tract Acreage,"on 1.Protects and preserves all floodplain, .
<br /> which density shall be based wetlands,and steep slopes from clearing, ,
<br /> I.2.Secondary Conservation Areas. grading,filling,or construction(except as
<br /> In addition to the Primary Conservation may be approved by the governing body for i "".
<br /> 40,at least fifty percent(50%)of the essential infrastructure or active or passive „
<br /> fling land shall be designated and recreation amenities).
<br /> permanently protected.Full density credit 2.Preserves and maintains mature Tot lot in Garnet Oaks development.Bethel
<br /> shall be allowed for land in this category continued on page 10 Township,Delaware County,Pennsylvania
<br /> PLANNING COMMISSIONERS JOURNAL / NUMBER 3 3 / WINTER 1 9 9 9
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