CorPlan: Place Based Scenario Planning Tool Renaissance Planning Group Chris Sinclair, AICP

Overview Background CorPlan methodology Regional scenario case study GIS polygon layer (canvas) Community data table (paint) Allocation (design) Summary (admire your work) Regional scenario case study

Background

Land Use Modeling Methods Agent base modeling – Community Viz Behavioral approach – Urban Sim Policy oriented approach – What If? Land use suitability approach – LUCIS

Limitations of Current Methods Inadequate consideration of site design Inability to telescope among scales Black box versus intentional design Limited visualization ZDATA1 SFDU SFPOP MFDU MFPOP ZDATA2 INDEMP COMEMP SEREMP

Searching for Solutions Integrate design, data and scales Intentional design, not black box Detailed, comprehensive Information ZDATA1 SFDU SFPOP MFDU MFPOP ZDATA2 INDEMP COMEMP SEREMP

CorPlan : A GIS Application

CorPlan Workflow Polygon Trip Generation Layer (Canvas) ArcMap (Allocation) Socio / Land Use Data Summary Transportation Model Socio / Land Use Data Export Community Data (Paint)

CorPlan Workflow Transportation Model Polygon Trip Generation Layer (Canvas) Trip Generation ArcMap (Allocation) Socio / Land Use Data Summary Transportation Model Socio / Land Use Data Export Community Data (Paint)

Base Polygon (Canvas) Ability to work at differing scales Development pods – site analysis Parcels – site to regional analysis Polygrids – regional / corridor analysis Community data assigned to polygons Data describes development characteristics Data scaled to size of polygon

Site Planning Development pods are geographic allocation basis Quickly test site plan options

Regional Analysis Divide region / corridor into equally sized grids Assign community data to each grid Grid data summarized by larger polygons (i.e., TAZs) Sample polygon layer (1/10th acre polygrid)

Classifying Polygons Undevelopable - polygons “masked” and assumed unchanged Environmental constraints Rights of way Newly developed, stable development Redevelopable - assignments are factored to a portion of development potential Developable - assignments assigned at full value

Classifying Polygons Sample polygon layer (1/10th Acre Polygrid) Undevelopable existing uses Developable land Undevelopable environmental land Sample polygon layer (1/10th Acre Polygrid)

CorPlan Workflow Transportation Model Polygon Layer Trip Generation (Canvas) Trip Generation ArcMap (Allocation) Socio / Land Use Data Summary Transportation Model Socio / Land Use Data Export Community Data (Paint)

Relational Databases Lot Data Community Element Reference LOT Type Development characteristics based on user input Development characteristics based on Lot Type mix Characteristics factored to polygon size Lot Data LOT Type Category Household Type Residential Ratio Commercial Ratio Service Ratio Industrial Ratio . Community Element CE Type LOT Type Proportion Redev. Factor . Reference CE Type Building SQFT Residential Ratio Commercial Ratio Service Ratio Industrial Ratio .

Community Data Detailed characteristics of differing building and development types Data levels Lots Community elements Lot type composites for geography larger than lot Recommended scales Blocks – around 10 acres Pedestrian sheds – around 40 acres Place sections – around 160 acres Places – around 640 acres (square mile)

Community Data Levels / Scales 640 Acres 160 Acres 40Acres 10 Acres Block Pedestrian shed Lot Place section Place Community Element Scales

Lot Building Data Lot Library of building types Lot Characteristics

Defining Lot Building Types Any type of building can be defined by data Lots without buildings can be defined

Community Element Data Lot building data are “building blocks” for areas larger than lots (community elements) Larger areas based on analysis scales Possible scales Blocks Pedestrian sheds Place sections Places

Community Element Data Lot types 640 Acres 160 Acres 40Acres Library of community element types Library of building types

Density/Intensity Check Quick check of community element composition

Designing Community Elements Option 1 – Use CorPlan Design Module

Designing Community Elements Option 2 – Use design software, such as Sketch Up, and import to CorPlan Design Concept Underlying lot and building polygons exported to Corplan

Designing Community Elements Option 3 – Field inventory of existing place Dwelling Units/Acre 5 Non-Residential FAR 0.72 1/4 mi Non-Developable Developable Park 2 % SF House 3 % Retention Apartment 12 % Road 15 % Mixed Use 6 % Civic Retail Parking 5 % Office 28 % Total 39 % 61 % GRAND TOTAL 100 %

Community Element Library Library is “palette of colors” used to paint polygons in polygon layer Number of differing community elements is unlimited

CorPlan Workflow Transportation Model Polygon Layer Trip Generation (Canvas) Trip Generation ArcMap (Allocation) Socio / Land Use Data Summary Transportation Model Socio / Land Use Data Export Community Data (Paint)

Allocating Community Elements Step 1 – Select polygons for allocation

Allocating Community Elements Step 2 – Select community element to allocate

Allocating Community Elements Step 3 – Program scales selected community element data to selected area and updates study area database

Modification of Allocation Remove allocation Re-assign to another building type / community element Modify a community element

CorPlan Workflow Transportation Model Preparing Polygon (Canvas) Trip Generation ArcMap (Allocation) Socio / Land Use Data Summary Transportation Model Socio / Land Use Data Export Building Community Data (Paint)

Reviewing Allocation Track allocation overall or in sub-areas Step 1 – Select areas to summarize

Reviewing Allocation Track allocation overall or in sub-areas Step 2 – Review summary Able to compare with preset target

CorPlan Workflow Transportation Model Polygon Layer Trip Generation (Canvas) Trip Generation ArcMap (Allocation) Socio / Land Use Data Summary Transportation Model Socio / Land Use Data Export Community Data (Paint)

Exporting Allocation Summarize allocated data by any geographical boundary (TAZ or census block) or community element Export summarized data in DBF for further analysis Generate input data for transportation modeling (ZDATA)

Exporting Allocation Step 1 – Select summary level (i.e., traffic analysis zones) Step 2 – Select area to export Step 3 – Select fields to export

CorPlan Application Regional Scenario Planning

Project Overview 2035 Jacksonville, FL Long Range Transportation Plan – assess future transportation needs Scenario planning –test impacts of different development patterns & transportation needs

Community Element Inventory Example: City Element Mix of uses Buildings 2 – 6 stories Prototypes Downtown St. Augustine Edge of Downtown Jacksonville CE Design Model

Scenario Workshop Dot map game Community element dots with differing values provided to participants Urban Suburban Rural Target population total provided to all groups Place dots on regional map until target reached

Workshop Maps become Scenarios Group maps differed in growth strategy Each group described the strategy used to choose and place dots Maps become basis for scenarios

Conversion to GIS Data Dot game maps translated into CorPlan scenarios Scenarios used the same control total for “apples to apples” comparisons

Scenario Comparison Land use and access comparisons

Scenario Comparison Travel demand comparisons

3D Visualization Easy to create 3D models based on the community elements were created for key locations in region Models helped link colors on map with design characteristics

Summary Integrative Intentional Informational Design and data Across scales Intentional User in control of design Simulation models can verify Informational Export to 4 step travel demand models Export to fiscal impact / environmental models