Using AutoCAD Civil 3D and ESRI ArcGIS to meet LEED-ND (Neighborhood Development) Requirements NDIA 12457 1
Using AutoCAD Civil 3D and ESRI ArcGIS to meet LEED-ND (Neighborhood Development) Requirements NDIA E2S2 Mr. Chuck Pietra O Brien & Gere
What is LEED for Neighborhood Development? Rating System for national neighborhood design Integrates Smart Growth New Urbanism Green Building Points awarded in 4 Categories Certification at 4 levels
Certification Three Stages of Certification Stage 1: Optional Pre-Review Stage 2: Certification of Approved Plan Stage 3: Certification of Completed Neighborhood Four Levels of Certification Certified: 40-49 pts Silver: 50-59 pts Gold: 60-79 pts Platinum: 80-106 pts
Earning Points Points available in 4 Categories Smart Location Neighborhood Pattern and Design Green Construction and Technology Innovation and Design Process Innovation Smart Location Pattern and Design Green Construction and Tech
Understanding LEED-ND Goal to certify exemplary development project that perform well in terms of Smart growth New urbanism Green building Projects may constitute Whole neighborhoods Fractions of neighborhoods Multiple neighborhoods Infill projects that complement existing neighboring uses Mixed use developments
LEED-ND Includes Three Main Components Smart Location & Linkage (SLL) Is the project tied into the neighborhood in a smart fashion? Neighborhood Pattern & Design (NPD) Does the project help the neighborhood to be more heterogeneous, open, and diverse? Green Construction & Technology (GCT) Does the project (from a neighborhood perspective) follow green construction precepts?
Smart Location & Linkage Prerequisite 1: Smart Location (Infill site, or near transit, or near other uses) Prerequisite 2: Proximity to Water and Wastewater Infrastructure Prerequisite 3: Imperiled Species and Ecological Communities Prerequisite 4: Wetland and Water Body Conservation Prerequisite 5: Agricultural Land Conservation Prerequisite 6: Floodplain Avoidance Credit 1: Brownfields Redevelopment Credit 2: High Priority Brownfields Redevelopment Credit 3: Preferred Locations Credit 4: Reduced Automobile Dependence Credit 5: Bicycle Network Credit 6: Housing and Jobs Proximity Credit 7: School Proximity Credit 8: Steep Slope Protection Credit 9: Site Design for Habitat or Wetland Conservation Credit 10: Restoration of Habitat or Wetlands Credit 11: Conservation Management of Habitat or Wetlands
Neighborhood Pattern and Design Prerequisite 1: Open Community Prerequisite 2: Compact Development Credit 1: Compact Development Credit 2: Diversity of Uses Credit 3: Diversity of Housing Types Credit 4: Affordable Rental Housing Credit 5: Affordable For-Sale Housing Credit 6: Reduced Parking Footprint Credit 7: Walkable Streets Credit 8: Street Network Credit 9: Transit Facilities Credit 10: Transportation Demand Management Credit 11: Access to Surrounding Vicinity Credit 12: Access to Public Spaces Credit 13: Access to Active Spaces Credit 14: Universal Accessibility Credit 15: Community Outreach and Involvement Credit 16: Local Food Production
Green Construction & Technology Prerequisite 1: Construction Activity Pollution Prevention Credit 1: LEED Certified Green Buildings Credit 2: Energy Efficiency in Buildings Credit 3: Reduced Water Use Credit 4: Building Reuse and Adaptive Reuse Credit 5: Reuse of Historic Buildings Credit 6: Minimize Site Disturbance through Site Design Credit 7: Minimize Site Disturbance during Construction Credit 8: Contaminant Reduction in Brownfields Remediation Credit 9: Stormwater Management Credit 10: Heat Island Reduction
Green Construction & Technology ( cont. ) Credit 11: Solar Orientation Credit 12: On-Site Energy Generation Credit 13: On-Site Renewable Energy Sources Credit 14: District Heating & Cooling Credit 15: Infrastructure Energy Efficiency Credit 16: Wastewater Management Credit 17: Recycled Content in Infrastructure Credit 18: Construction Waste Management Credit 19: Comprehensive Waste Management Credit 20: Light Pollution Reduction
Submittal Requirements for LEED-ND: Smart Location & Linkage (SLL) Is the project tied to the neighborhood in a smart fashion? Neighborhood Pattern & Design (NPD) Does the project help the neighborhood to be more heterogeneous, open, and diverse? Green Infrastructure & Buildings (GIB) Does the project (from a neighborhood perspective) follow green construction precepts?
Smart Location & Linkage Proximity to Infrastructure
Smart Location & Linkage (SLL) Addresses the Following LEED-ND Items: Smart Location (SLL Prerequisite 1) Proximity to Infrastructure (SLL Prerequisite 2) Wetland & Water Body Conservation (SLL Prerequisite 4) Agricultural Land Conservation (SLL Prerequisite 5) Floodplain Avoidance (SLL Prerequisite 6) Preferred Locations (SLL Credit 1) AutoCAD Civil 3D & ArcGIS geospatial analysis functionality can be utilized to show compliance has been achieved for these LEED requirements. Network Topology and Polygon Topology.
Smart Location & Linkage Credit Intent: Encourage development within existing communities Reduce environmental impacts caused by sprawl Conserve natural and financial resources Protect farmland and forests from development Promote open space and habitat conservation Conserve water quality All of these requirements are spatially oriented.
Smart Location & Linkage (SLL) Credit Requirements: Smart Location (SLL Prerequisite 1) Transit Services Neighborhood Assets Proximity to Infrastructure: (SLL Prerequisite 2) Existing water and wastewater infrastructure Agricultural Land Conservation: (SLL Prerequisite 5) Prime or unique soils Percent of the site they cover Floodplain Avoidance: (SLL Prerequisite 6) No land in the 100-year floodplain Preferred Locations: (SLL Credit 1) Street grid density within 1-mile radius of the project
Smart Location & Linkage This demonstation addresses the following LEED-ND items: Proximity to infrastructure (SLL Prerequisite 2) Agricultural land conservation (SLL Prerequisite 5) Floodplain avoidance (SLL Prerequisite 6) Preferred locations (SLL Credit 3) This demonstation shows how Civil 3D & ArcGIS s geospatial analysis functionality can be used to show compliance with these LEED items.
Proximity to Infrastructure Smart Location & Linkage Load area base map Define a buffer around the project site Access water line infrastructure data Stylize infrastructure to create a better map DEMO
Smart Location & Linkage The LEED Intent of These Elements Encourage development within existing communities Reduce environmental impacts caused by sprawl Conserve natural and financial resources Preserve agricultural resources Protect farmland and forests from development Promote open space and habitat conservation Enhance water quality These are all spatially oriented goals that Civil 3D & ArcGIS s geospatial analysis functionality can easily handle
Smart Location & Linkage Floodplain avoidance What is Shown in the Workflow Demo Data Source Load area base map Attach to GIS data source Use expression builder to create data query Query GIS data (100 year floodplain)
Buffer Distance Area Proximity and Overlay
Smart Location & Linkage Key Features of Both Products to handle the task Civil 3D Key Features Query geospatial source files Access subsets of large geospatial data sets Stylize graphics based on data and create thematic maps Create buffers, and use the buffer to access data Overlay Polys on Polys Points or Network Objects ArcGIS Key Features Query geospatial source files Access subsets of large geospatial data sets Stylize graphics based on data and create thematic maps Create buffers, and use the buffer to access data Overlay Polys on Points, Linear features and other Polys
Demonstation : Smart Location & Linkage The Required LEED Submittals Proximity to infrastructure (SLL Prerequisite 2) A map showing existing water and wastewater infrastructure. Agricultural land conservation (SLL Prerequisite 5) A map showing any prime or unique soils on the site A calculation of the % of the site they cover Floodplain avoidance (SLL Prerequisite 6) A map showing the site contains no land in the 100-year floodplain Preferred locations (SLL Credit 3) A map showing the street grid density of the area within a 1 mile radius of the project site
Neighborhood Pattern & Design Access to Public Spaces
Neighborhood Pattern & Design (NPD) Addresses the following LEED-ND items: Walkable Streets (NPD Prerequisite 1) Compact Development (NPD Prerequisite 2) Connected & Open Community (NPD Prerequisite 3) Access to Public Spaces (NPD Credit 9) Access to Active Public Spaces (NPD Credit 10) ArcGIS 10 Spatial Analysis functionality can be utilized to show compliance has been achieved for these LEED requirements.
Neighborhood Pattern & Design Credit Intent: Encourage development Reduce vehicle trips and miles traveled (VMT) Provide open spaces Encourage walking, physical activity, and time spent outdoors All of these requirements are spatially oriented. Topology Data Structure includes Proximity Adjacency Area Distance
Neighborhood Pattern & Design (NPD) Credit Requirements: Walkable Streets: (NPD Prerequisite 1) Min building height-to-street width ratio of 1:3 Compact Development: (NPD Prerequisite 2) Within ¼ mile of Transit Service Connected & Open Community: (NPD Prerequisite 3) Min. 90 intersections within ¼ mile of project boundary Access to Public Spaces: (NPD Credit 9) Locate park within ¼ mile Access to Active Public Spaces: (NPD Credit 10) Locate active spaces within ½ mile
Access to Public Spaces eighborhood Pattern & Design Data Sources Cadastral maps of the project area B2 C2 D 2 E2 B3 C3 D3 E3 B4 C4 D4 E4 B5 C5 D5 E5 From county assessor Maps of local water / wastewater infrastructure From local public works department Map of soil and agricultural information From the USDA Map of flood areas From FEMA Street network From local public works department
Access to Public Spaces Neighborhood Pattern & Design Using Arc GIS Load area base map Add site drawing with building footprint Query data to access nearby parks Add walking routes to nearby parks Create theme based on length of walking routes Output walking data to Microsoft Excel spreadsheet software This same process is used to analyze distances to public infrastructure or recreational facilities. DEMO
An ArcGIS Session
An ArcGIS Session
Walkable Neighborhood
Demonstation: Walkable Neighborhood This demonstation addresses the following LEED-ND items: Smart location (SLL Prerequisite 1) Access to public spaces (NPD Credit 12) Access to active spaces (NPD Credit 13) This demonstation shows how Civil 3D & ArcGIS s geospatial analysis functionality can be used to show compliance with these LEED items.
Demonstation : Walkable Neighborhood The LEED Intent of These Elements Encourage development near existing communities or transportation infrastructure Reduce vehicle trips and miles traveled Support walking as a transportation choice To provide open spaces close to work and home Encourage walking, physical activity and time spent outdoors These are all spatially oriented goals that Civil 3D & ArcGIS s geospatial analysis functionality can easily handle
Demonstation : Walkable Neighborhood The Required LEED Submittals Smart location (SLL Prerequisite 1) A map showing dwelling units, building entrances, transit stops, and walking routes to those stops. A table of walk distances Calculation of the percentage of dwelling units and business entrances that lie within the specified distances. Access to public spaces (NPD Credit 12) Same as SSL Prerequisite 1, but showing walking to parks Access to active spaces (NPD Credit 13) Same as SSL Prerequisite 1, but showing walking to active spaces
Walkable Neighborhood Data Sources Cadastral map of surrounding area B2 C2 D 2 E2 B3 C3 D3 E3 B4 C4 D4 E4 B5 C5 D5 E5 From county assessor Civil 3D site development plan From project team Local transit information Locations of parks and recreational areas From local transit agency Street / footpath network From city or county From local public works department
Walkable Neighborhood Load area base map Add site drawing with building footprint Query data to access nearby transit stops Add walking routes to transit facilities Create theme based on length of walking routes Output walking data to Excel This same process is used to analyze distances to parks and recreational facilities
Polygon Overlay
Green Infrastructure & Buildings
Green Infrastructure & Buildings (GIB) Addresses the following LEED-ND item: Construction Pollution Prevention (GIB Prerequisite 4) Water Efficient Landscaping (GIB Credit 3) Minimize Site Disturbance (GIB Credit 6) Stormwater Management (GIB Credit 7) Heat Island Reduction (GIB Credit 8) The hydrology and hydraulics functionality in AutoCAD Civil 3D & ArcGIS can be utilized to help achieve compliance with this LEED item.
Green Infrastructure & Buildings (GIB) Credit Intent: Reduce pollution & hydraulic instability Reduce peak flow rates Promote aquifer recharge Preserve existing tree canopies Reduce potable water for irrigation Reduce heat island effects All of these requirements relate to hydrology and hydraulics.
Green Infrastructure & Buildings (GIB) Credit Requirements: Construction Activity Pollution Prevention: (GIB Perquisite 4) Erosion & Sedimentation Control Plan Water Efficient Landscaping: (GIB Credit 3) Reduce landscape irrigation by 50% Minimize Site Disturbance: (GIB Credit 6) Locate on previously developed site Stormwater Management: (GIB Credit 7) Development footprint Stormwater management technologies or BMPs Pre-development and post-development analysis Heat Island Reduction: (GIB Credit 8) Provide shade and/or vegetated roofs
Stormwater Management Green Infrastructure & Buildings Perform hydrologic analysis of existing site Filter Strips Add developed areas (impervious areas) Recalculate hydrologic analysis Change development plan and include BMPs Infiltration Trenches Detention Pond Recalculate hydrologic analysis DEMO Original Peak Runoff: 14.62 CFS Developed Peak Runoff: 21.3 CFS Adjusted Peak Runoff: 14.6 CFS
Steep Slope Protection
Demonstation : Steep Slope Protection The LEED Intent and Required Submittal Intent: Minimize erosion to protect habitat and reduce stress on natural water systems by preserving steep slopes in a natural, vegetated state. This requires the ability to calculate and classify slope information, which is well suited to Civil 3D s slope analysis functionality Submittal: Topographic drawings of the site indicating: Slopes (shown in bands of 0-15%, 15% to 25%, 25% to 40%, and >40%) Any areas that are previously developed Areas planned for development or redevelopment
Demonstation : Steep Slope Protection Demonstation Data Sources Points file with x, y, z elevation data for the site area From site survey or DEM data Site development plan
Demonstation : Steep Slope Protection Part 1: Show undisturbed site What is Shown in the Demo Import points file and create a surface Create slope drawing with slope ranges Adjust to reflect LEED slope ranges Add a legend
Demonstation : Steep Slope Protection Reference project drawing Delineate steep slopes Create finished surface and grade site What is Shown in the Demo Part 2: Show plan on site Part 3: Make adjustments to avoid steep slopes Note steep slope issues Make design changes Recheck results Steep Delineation Slope Area LineNow Encroachment Unaffected by Into Development Steep Slope Areas
Demonstation: Steep Slope Protection Key Civil 3D Features This demo focuses on Civil 3D s geospatial analysis features: Civil 3D can display a surface by slope, with different colors representing different slope areas. Civil 3D can quickly create a LEED exhibit by overlaying the impacts created by proposed improvements upon a slope drawing. Civil 3D allows you to make redesigns quickly and efficiently to achieve LEED compliance.
Steep Slope Analysis
Green Infrastructure & Buildings Stormwater Management
demonstation 3: Stormwater management The LEED Intent of This Elements Reduce adverse impacts on water resources by mimicking the natural hydrology of the region on the project site Reduce pollutant loadings from stormwater discharges Reduce peak flow rates to minimize stream channel erosion Maintain or restore chemical, physical, and biological integrity of downstream waterways. These are all goals that Civil 3D s Sanitary Storm Analysis functionality can easily handle
Stormwater Management The Required LEED Submittals A site plan indicating Project s development footprint Location of planned stormwater management technologies or BMPs Calculation of the percentage of the development footprint for which runoff will be infiltrated, re-used, or evapotranspirated
Stormwater management Data Sources Existing site data including: Surface contour data Existing developed areas Site development plans Hydrographic data
Demonstation : Stormwater management What is Shown in the Workflow Demo Perform hydrologic analysis of existing site Add developed areas (impervious areas) Recalculate hydrologic analysis Change development plan and include BMPs Recalculate hydrologic analysis Infiltration Trenches Filter Strips Site Development Detention Pond Original Peak Runoff: 15.9 CFS Developed Peak Runoff: 21.3 CFS Adjusted Peak Runoff:14.6 CFS
Surface Visualization
Autodesk Sanitary Storm Analysis
Stormwater Design Model
Full Design Model
Demonstation : Stormwater Management Key Civil 3D Features This demo focused on Civil 3D s H&H (hydrologic and hydraulic) features: Hydraflow hydrographs to calculate site runoff Pond design functionality in Hydraflow Hydrographs to size and analyze a detention pond Civil 3D allows you to make redesigns quickly and efficiently to achieve LEED compliance Autodesk Storm Sanitary Analysis handles large models and results are passed to the Civil 3D Hydraulic Model.
Visualization is commonplace Solar Studies from full 3D Model Animations can tell the complete story.
Summary Delivering Sustainable Designs with ArcGIS and Civil 3D Identify building sites with geospatial data support and analysis Stylize and calculate community connectivity using geospatial analysis and mapping capabilities Design more efficient stormwater management systems with hydrology and hydraulics analysis
Delivering Sustainable Designs with ArcGIS and Civil 3D Choosing the Best Tool for the Task. Data is connected not imported Analysis tasks of Adjacency Proximitry Overlay best handled by ArcGIS Design tasks involving H&H, Surface Analysis, Profiles Sections, best handled by Civil 3D
Delivering Sustainable Designs with ArcGIS and Civil 3D The two tools are complimentary in many ways not competitive or mutually exclusive Connected Data Sources can be the same Topology is proprietary but figures for reports are transparent to that.
Questions?
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