Sewer Master Planning with AutoCAD Map 3D and Autodesk ... · Sewer Master Planning with AutoCAD ®...
Transcript of Sewer Master Planning with AutoCAD Map 3D and Autodesk ... · Sewer Master Planning with AutoCAD ®...
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Sewer Master Planning with AutoCAD ® Map 3D and Autodesk® Storm and Sanitary Analysis
Dan LeightonPrincipal Consultant – DL Consulting
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Sewer Master Planning with AutoCAD® Map 3D and Autodesk® Storm and Sanitary Analysis
1Anatomy of a sewer master plan
What is a sewer master plan? What are the steps involved?
2DemonstrationsCleaning up the pipe networkCreating sewershedsPolygon overlay to define loadsPerforming analysis w/ Autodesk Storm and Sanitary Analysis
3 Strategies for success
4 Closing thoughts
Agenda
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What is a Sewer Master Plan?
Analyze current wastewater network’s ability to handle forecast future flows
Consider alternative growth and load scenarios
Create investment plans and alternatives
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Steps to Sewer Master Planning
Create sanitary sewer network
Define sewersheds and load points
Define current and future loads by
sewershed
Perform network flow analysis
Identify required facility sizes
for future loads
Develop long term investment plan
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Step-by-Step: Create Network
Create sanitary sewer network
Define sewersheds and load points
Define current and future loads by
sewershed
Perform network flow analysis
Identify required facility sizes
for future loads
Develop long term investment plan
Layout and connectivity of pipes
and manholes
Data about pipes and manholes
Clean and review data• Is topology correct?• Are flow directions correct?• Is the data complete?• Does data make sense?
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2831 pipes2841 manholes
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Step-by-Step: Define Sewersheds
Create sanitary sewer network
Define sewersheds and load points
Define current and future loads by
sewershed
Perform network flow analysis
Identify required facility sizes
for future loads
Develop long term investment plan
Sewershed Load Point
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163 sewersheds
Example sewershed
Load point manhole
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Step-by-Step: Define Loads by Sewershed
Create sanitary sewer network
Define sewersheds and load points
Define current and future loads by
sewershed
Perform network flow analysis
Identify required facility sizes
for future loads
Develop long term investment plan
Forecasts by zoning district
Overlayed on Sewersheds
Load estimates
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117 zoning areas
Current and forecast % land use data for each zoning area
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Step-by-Step: Perform Network Analysis
Create sanitary sewer network
Define sewersheds and load points
Define current and future loads by
sewershed
Perform network flow analysis
Identify required facility sizes
for future loads
Develop long term investment plan
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Step-by-Step: Identify Facility Sizes
Create sanitary sewer network
Define sewersheds and load points
Define current and future loads by
sewershed
Perform network flow analysis
Develop long term investment plan
Identify required facility sizes
for future loads
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Step-by-Step: Develop Investment Plan
Create sanitary sewer network
Define sewersheds and load points
Define current and future loads by
sewershed
Perform network flow analysis
Identify required facility sizes
for future loads
Develop long term investment plan
Phase 1Phase 2Phase 3Phase 4
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Step-by-Step Sewer Master Plan
Create sanitary sewer network
Define sewersheds and load points
Define current and future loads by
sewershed
Perform network flow analysis
Identify required facility sizes
for future loads
Develop long term investment plan
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Demonstrations
1. Cleaning up the pipe network2. Creating sewersheds3. Polygon overlay to define loads4. Performing analysis w/ Autodesk Storm and Sanitary Analysis
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Demo #1: Cleaning Up Pipe Network
Primary cleanup actions Import available sources into Map 3D Network cleanup using AutoCAD functionality Use Map network topology functions to ensure connectivity and proper
flow directions Additional cleanup using SSA Export to Shapefile Import into Autodesk Storm & Sanitary Analysis Analyze, and review errors Programmatic cleanup options Create LISP or Basic routines to walk the network, find errors, and
make corrections
Primary cleanup actions Import available sources into Map 3D Network cleanup using AutoCAD functionality Use Map network topology functions to ensure connectivity and proper
flow directions Additional cleanup using SSA Export to Shapefile Import into Autodesk Storm & Sanitary Analysis Analyze, and review errors Programmatic cleanup options Create LISP or Basic routines to walk the network, find errors, and
make corrections
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Demo #2: Creating Sewersheds
Setup View parcel boundaries View sewer network
Defining sewersheds Identify outlet Add centroid that identifies the outlet Draw boundaries
Check topology Find missing centroids and errors in boundaries
Setup View parcel boundaries View sewer network
Defining sewersheds Identify outlet Add centroid that identifies the outlet Draw boundaries
Check topology Find missing centroids and errors in boundaries
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Demo #3: Polygon Overlay to Define Loads
Access data sources Zoning polygons (contain land use % data) Sewershed polygons (labeled with load point) Overlay analysis Intersection analysis Add calculation for subpolygon areas Calculate loads Multiply load factors by % land use and subpolygon areas Sum loads for each load point
Access data sources Zoning polygons (contain land use % data) Sewershed polygons (labeled with load point) Overlay analysis Intersection analysis Add calculation for subpolygon areas Calculate loads Multiply load factors by % land use and subpolygon areas Sum loads for each load point
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Flow Calculation Process
Zoning polygons (% landuse data)
Sewershed polygons(load point data)
Subpolygons (% landuse by load point)
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Demo #4: Perform Analysis
Load data into Autodesk Storm and Sanitary Analysis Load pipes Load manholes Perform analysis Set parameters Perform run Review results Export data Select format Choose data to export
Load data into Autodesk Storm and Sanitary Analysis Load pipes Load manholes Perform analysis Set parameters Perform run Review results Export data Select format Choose data to export
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Strategies for success
Test on small system to start
Establish efficient processesFor cleanup
For calculating flows
For modeling
Take advantage of features like “Load/Save”
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Closing thoughts
Everything you need to complete a wastewater master plan!
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