open space residential development bylaw
DESCRIPTION
Open Space Residential Development Bylaw. Town of Rehoboth. Sprawl development covers natural open space. Milford. Wasted linear miles of asphalt, piping and utilities. Sprawl Development Maximizes Cost of Infrastructure. Berkshire County. So What Is An OSRD…. - PowerPoint PPT PresentationTRANSCRIPT
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Open Space Residential Development Bylaw
Town of Rehoboth
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Milford
Sprawl development covers natural open space.
Sprawl development covers natural open space.
Wasted linear miles of asphalt, piping and utilities
Wasted linear miles of asphalt, piping and utilities
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Berkshire County
Sprawl Development Maximizes Cost of Infrastructure
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So What Is An OSRD…..Arranging homes in a compact form to…• preserve open space and respect resource
areas,• reduce disturbed area and minimize runoff,• establish green belts,
Standard Conservation Subdivision
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The Problem
Loss of Open Space Smart Development
The Solution
OSRD provisions promote design flexibility related to minimum lot size, setbacks and frontage and can help streamline the permitting process.
So What Is It……
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THE YIELD PLAN: The maximum number of lots achievable under conventional Zoning Bylaw provisions and Subdivision Rules and Regulations. The contents of this plan are similar to those of a Preliminary Subdivision Plan.
Step One: The Yield Plan
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After The Yield is Calculated, the Four Step OSRD Design Process Follows…
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1. Four Step Design Process• Step One: Evaluate the Site – Identify
Conservation and Resource Areas
Existing Natural Conditions Water Resources
Steep SlopesHistorical and Cultural Features
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This leads to composite indicating areas for
conservation and areas for development.
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• Step Two: Locate the Houses within development area.
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• Step Three: Align Streets - meet subdivision road standards.
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• Step Four: Draw in the Lot Lines
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Comparison
Land Pre-Development
Conservation Design
Standard Design
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Lots- Number
• Determine the number that could be constructed under Standard Subdivision approach meeting all regulations and that is number of lots under Conservation Subdivision. That is no increase in the number of homes that can be built.
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Open Space• QuantityQuantity
– 50% of parcel must be permanently protected Open Space. Not more than 30% of this can be wetlands and detention/retention areas do not count as open space. Individual wells may be located in the open space.
• QualityQuality– More than just regulated lands – resource value
identified in the design process.– Related to other open space or recreational needs– Buffer of 50 feet from adjacent property and 100 feet
buffer from wetlands.
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Open Space
• Ownership and Maintenance- Planning Board can determine who will
retain control of the property (Homeowner’s Association, Conservation Commission, Land Trust, etc)
- Permanent protection through a recorded Conservation Restriction
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Water/Wastewater
• Bylaw prefers septic systems (soil absorption system) on individual lots with individual wells on lots or, if not possible, within common open space.
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Water/Wastewater
• Other arrangements such as a community wastewater or community well system must meet Board of Health approval.
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Special Permit Review Process
• Special Permit– Optional, standard subdivisions still possible.– Provides Planning Board more authority to
add conditions.– Requires 4 out of 5 vote rather than majority
of Planning Board– Typically Boards are given great discretion by
the courts (trade off of thus less secure for applicant)
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In designing the Bylaw the Rehoboth OSRD Committee should
consulted with:
• Board of Health• Conservation Commission• Board of Selectmen• Solicited input from ZBA, Highway
Superintendent, Building Inspector/Zoning Official, Fire, and Police
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Environmental
- Protects unique or fragile habitats
- Reduces the pollution impacts of stormwater runoff
- Promotes aquifer recharge
- Provides opportunities to link wildlife habitats
- Conservation values are part of the planning process
- Can further goals of open space and community
development plans
The planning process for OSRD inherently protects natural resources and promotes recharge to
underlying aquifers.
Benefits of OSRD
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For the Developer and Realtor
- Streamlines plan review process; reduces time and costs
- Adds valuable amenities that can enhance marketing and sale prices
- Increases resale value; homes in OSRD subdivisions have shown to
appreciate faster than those in conventional subdivisions
- Decreases site development costs by designing with the terrain
The OSRD permitting structure encourages smart growth and facilitates a permitting process that is clear, easy to understand, and cost-effective to developers.
Benefits of OSRD
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1) Reduced roadways and infrastructure
• Roadway construction costs are in the $400 - $600/ft range.
• Less roadway = Less impervious surface = less infiltration makeup areas.
2) Less impacts on wetlands
• Minimal wetland impacts = less wetland replication areas and expensive
crossings.
• Less time and risk in front of Conservation/DEP
3) Reduced lot areas and setbacks = cost savings on driveways and
landscaping
4) Time – geographically condensed construction is easier to
manage
5) Pride – OSRD plans are just more socially responsible
6) Sales advantages often include trail systems, open space, and
social community
Values Identified by OSRD Developers