form based codes intro
DESCRIPTION
TRANSCRIPT
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Form-Based Codes
Atul Sharma - Torti Gallas and Partners Washington, DC, USA | Silver Spring, Maryland, USA | Los Angeles, California, USA | Istanbul, Turkey
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Outline: • Benefits of Form Based Codes
• Applicability of Form Based Codes
• Structure of Form Based Codes
• Examples of Form Based Codes
• Discussion
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Why Form Matters
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Why Form Matters
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Why Form Matters
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Why Form Matters
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Why Form Matters
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Why Form Matters
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Urbanism in the Age of Climate Change by Peter Calthorpe
Why Form Matters
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It Is Not Complicated!
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Tradition of Form Based Town Planning
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Developer as Town Founder
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Illegal
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Single Family
Detached
Retail Center Employment
Center
Multifamily
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Mixed-Use
Compact Building Design
Housing Choices
Walkable
Sense of Place
Open Space
Regional Balance
Transportation Choices
Predictable Development
Decisions
Citizen Participation
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Benefits of Form Based Codes vs. Conventional Zoning
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Benefits of Form Based Codes vs. Conventional Zoning A Clear Vision Based
on Consensus Separated Uses as The
Organizing Element vs.
Single Family Detached
Retail Center Employment
Center
Multifamily
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Benefits of Form Based Codes vs. Conventional Zoning Focus on the Public
Realm Placeless Sprawl
Patterns vs.
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Benefits of Form Based Codes vs. Conventional Zoning Predictability of
Outcome Not Much Detail vs.
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Benefits of Form Based Codes vs. Conventional Zoning Easy to Understand
Guidelines Over-Technical
Standards vs.
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Benefits of Form Based Codes vs. Conventional Zoning A Balanced Approach to
Implementation Over Emphasis on
Density / Use vs.
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Applicability of Form Based Codes
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Walkable Streets
Vibrant Public Realm
Mix of Uses
Civic Uses
Character Derived from Local Context
Architecture Appropriate to Place
New Communities
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Sprawl Repair
Compact Development Patterns
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Sprawl Repair Strategies
1. Segregated Land Uses
2. Low Density
3. Auto Dependancy
4. Lack of Connectivity
5. Jobs Housing Mismatch
6. Lack of Housing Choices
7. Loss of Rural or Ag. Lands
8. Lack of Significant Centers
9. Visual Clutter/ Pkng. Dominates
10. Pedestrian Hazardous
1. Mixed-Use Zoning, Interconnected Streets
2. Increase Density, Smaller Setbacks & Yards
3. Mixed-Use, Walk-able Streets, + Density, Bike
4. Require Street Connections
5. Mixed-Use Zoning, Create Centers
6. Permit Mix of House Types, Reduce Unit Sizes
7. TDR, Growth Boundary, + Density
8. Create Mixed-Use Centers
9. Have Form Reqs., Pkng. to Rear of Bldgs,
Shared Pkng., Reduced Pkng. Req.
10. Street Connections, Sidewalks, Pkng. To Rear
Sprawl Characteristics Repair Strategy
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Commonly used names • Parallel Code • Smart Code • Developer Code • Overlay Zone • Design Guidelines • Sector Plan/Specific Plan
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Structure of Form Based Codes
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Understanding the Context Design Coding
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A. Allocation of Growth Sectors B. Base Residential Density C. Block Size D. Public Frontages E. Civic Open Space F. Lot Occupation G. Building Setback H. Building Disposition I. Private Frontages J. Building Height K. Building Function
Regulated Aspects
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A. Allocation of Growth Sectors B. Base Residential Density
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Block Size
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Public Frontages
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Civic Open Space
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Lot Occupation
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Building Setback
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Building Disposition
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Private Frontages
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Building Height
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Building Function
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The Pattern Book Format
1. How To Use Book (Leed, Plan, Transect, Reg. Plan) 2. Styles Set Up as Principle Based
Title Rule of Thumb Why? – “We do this Because…”* Plan Diagrams of T1-T6 Settings What Matters & What Doesn’t Matter Photos: style variations
3. Massing Principles by T-Zone 4. Shelter from Parking – all configurations 5. Details:
Doors and Windows Chimneys Porch Principles Water Collection & Storage Piers Down Spouts Columns Dormers Capitals Roof Slopes Bases Fences Porch Beams Awnings Railings Fountains Roofs Lighting Eaves Signs
*Need to couch in terms of health and wellness (ex. To promote good ventilation, to minimize sick building syndrome)
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Principle Based
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The Town Architect
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Examples of Form Based Codes
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Brookview
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Vision
Design Coding
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Design Coding
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Future New Urban Model
Design Coding
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Design Coding
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Design Coding
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Design Coding
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Authority
Land Use
Urban
Standards
Thoroughfares
Open Space
Architecture
Definitions
Design Coding
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Village Centers
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Town of Babylon
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Miramar Town Center
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Capitalize on a need for a new
City Hall and leverage its value
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The City of Miramar had the foresight to recognize, and engage a representative of, one of the key stakeholder groups that
it would take to “make it happen”– The Development Community
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Sequence of Open Spaces
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www.newyorkcityfocus.com
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Loudoun Metro: Torti Gallas and Partners
Torti Gallas and Partners, Inc. Atul Sharma
SmartCode Duany Plater-Zyberk & Company
Pattern Book
Urban Design Associates
All Other Projects & Graphics Torti Gallas and Partners