module 4: winslamm v 9.1 control practice cost analysis arvind narayanan dept. of civil,...
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![Page 1: Module 4: WinSLAMM v 9.1 Control Practice Cost Analysis Arvind Narayanan Dept. of Civil, Construction and Environmental Engineering Univ. of Alabama John](https://reader036.vdocuments.net/reader036/viewer/2022062304/56649e955503460f94b99d2e/html5/thumbnails/1.jpg)
Module 4: WinSLAMM v 9.1 Module 4: WinSLAMM v 9.1
Control Practice Cost Control Practice Cost AnalysisAnalysis
Arvind NarayananArvind NarayananDept. of Civil, Construction and Environmental EngineeringDept. of Civil, Construction and Environmental Engineering
Univ. of AlabamaUniv. of Alabama
John Voorhees, PE, PHJohn Voorhees, PE, PHEarth Tech, Inc.Earth Tech, Inc.
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$$We will cover . . .We will cover . . .
Cost Analysis Cost Analysis OverviewOverview
Sources of Cost DataSources of Cost Data Entering Cost DataEntering Cost Data Running the model Running the model
with Cost Data and with Cost Data and Reviewing Cost Reviewing Cost OutputOutput
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$$We will cover . . .We will cover . . .
Cost Analysis Cost Analysis OverviewOverview
Sources of Cost DataSources of Cost Data Entering Cost DataEntering Cost Data Running the model Running the model
with Cost Data and with Cost Data and Reviewing Cost Reviewing Cost OutputOutput
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Cost Analysis OverviewCost Analysis Overview
Calculates the cost of the control practices Calculates the cost of the control practices listed in a model runlisted in a model run
Allows you to compare the cost of different sets Allows you to compare the cost of different sets of practicesof practices
Provides the option of applying either pre-Provides the option of applying either pre-determined costs or user-defined costsdetermined costs or user-defined costs
Doesn’tDoesn’t evaluate the cost reductions due to the evaluate the cost reductions due to the use of control practices, ie, no asphalt use of control practices, ie, no asphalt pavement reduction determined if porous pavement reduction determined if porous pavement is used.pavement is used.
What Does the Cost Analysis Program Do?
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Cost Analysis OverviewCost Analysis Overview
How are the Cost Values Normalized?
Total Present Worth = Capital Cost + Land Cost +
Present Worth of Annual Maintenance Cost
P
A AA A AA
1 2 43 n
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Cost Analysis OverviewCost Analysis Overview
How are the Cost Values Normalized?
Uniform Series Worth = Annual Value of (Capital Cost + Land Cost) +
Annual Maintenance Cost
P
A AA A AA
1 2 43 n
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Cost Analysis OverviewCost Analysis Overview
Edit and Save the Edit and Save the Cost Template.csv Cost Template.csv FileFile
Select the Cost Data Select the Cost Data File for a Model RunFile for a Model Run
Run the ProgramRun the Program Review the Cost Review the Cost
OutputOutput
What is the General Cost Evaluation Process?
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$$We will cover . . .We will cover . . .
Cost Analysis Cost Analysis OverviewOverview
Sources of Cost DataSources of Cost Data Entering Cost DataEntering Cost Data Running the model Running the model
with Cost Data and with Cost Data and Reviewing Cost Reviewing Cost OutputOutput
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Sources of Cost DataSources of Cost Data Pre-Determined CostsPre-Determined Costs
SEWRPC 1991 Cost SEWRPC 1991 Cost ReportReport
Costs Updated Using Costs Updated Using ENR Cost IndicesENR Cost Indices
Cost Indices Available Cost Indices Available for 20 Citiesfor 20 Cities
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Construction Cost Index by City
1989
2005
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Sources of Cost DataSources of Cost Data Pre-Determined CostsPre-Determined Costs
Costs Available for – Costs Available for – • Wet DetentionWet Detention• Porous PavementPorous Pavement• Grass SwalesGrass Swales• Street CleaningStreet Cleaning• CatchbasinsCatchbasins• Infiltration TrenchesInfiltration Trenches
Wet Detention Pond Costs - SEWRPC 1989
1
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1000
10 100 1000
Wet Detention Basin Water Volume (1000 cf)
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Low Cost
Med. Cost
High Cost
O&M Cost
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Sources of Cost DataSources of Cost Data User-Defined Costs for User-Defined Costs for
Each PracticeEach Practice Enter Items that Define Enter Items that Define
the Practicethe Practice Select UnitSelect Unit Enter Cost per UnitEnter Cost per Unit Enter QuantityEnter Quantity Program Calculates Program Calculates
CostCost Program Determines Program Determines
Total Unit CostTotal Unit Cost Enter Routine Enter Routine
Maintenance CostMaintenance Cost
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$$We will cover . . .We will cover . . .
Cost Analysis Cost Analysis OverviewOverview
Sources of Cost DataSources of Cost Data Entering Cost DataEntering Cost Data Running the model Running the model
with Cost Data and with Cost Data and Reviewing Cost Reviewing Cost OutputOutput
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
On the Summary Data PageOn the Summary Data Page Enter project life and interest rate informationEnter project life and interest rate information Enter Land CostsEnter Land Costs Select Cost IndexSelect Cost Index
For Each Control PracticeFor Each Control Practice Select either Pre-Determined or User-Defined Select either Pre-Determined or User-Defined
CostsCosts For Pre-Determined Costs, select Cost RangeFor Pre-Determined Costs, select Cost Range For User-Defined Costs, enter Cost DataFor User-Defined Costs, enter Cost Data Enter Land Use MultiplierEnter Land Use Multiplier
Re-name and Save Cost Data FileRe-name and Save Cost Data File
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
From the Main Menu go to the Options/Access Cost Data Summary Tab . . .
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
Control Practice Cost Tabs and
Summary Data Tab
Cost File Management
Summary Data Tab
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
Land Use CostsInterest Rate and
Project Life
Cost Index Selection
Summary Data Tab
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
Pre-Determined Cost Table
Pre-Determined Capital Cost
Range
Wet Detention Pond Cost Data
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
User-Defined
Cost Table
Maintenance Cost Data - Sediment Removal Costs
- Routine Maintenance Cost
Wet Detention Pond Cost Data
Total Unit Cost
per 1000 cubic feet
Land Area Multiplier
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
Pre-Determined Cost Table
Pre-Determined Capital Cost
Range
Porous Pavement Cost Data
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
User-Defined
Cost Table
Maintenance Cost Data - Routine Maintenance Cost
Porous Pavement Cost Data
Total Unit Cost
per square foot
Land Area Multiplier
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
Pre-Determined Cost Table
Pre-Determined Capital Cost
Range
Street Cleaning Cost Data
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
User-Defined
Cost Table
Maintenance Cost Data - Routine Maintenance Cost
Street Cleaning Cost Data
Total Unit Cost
per curb mile
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
Pre-Determined Cost Table
Crushed Stone Fill Cost
Biofiltration Cost Data
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
User-Defined
Cost Table
Maintenance Cost Data - Routine Maintenance Cost
Biofiltration Cost Data
Total Unit Cost
per cubic yard
Land Area Multiplier
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
Pre-Determined Cost Data
Catchbasin Cleaning Cost Data
Pre-Determined Capital Cost
Range
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
User-Defined
Cost Table
Maintenance Cost Data - Routine Maintenance Cost
Catchbasin Cleaning Cost Data
Total Unit Cost
per unit
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
Pre-Determined Cost Tables
Grass Swale Cost Data
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Edit and Save the Cost Template.csv FileEdit and Save the Cost Template.csv File
User-Defined
Cost Table
Maintenance Cost Data - Routine Maintenance Cost
Grass Swale Cost Data
Total Unit Cost
per foot
Land Area Multiplier
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$$We will cover . . .We will cover . . .
Cost Analysis Cost Analysis OverviewOverview
Sources of Cost DataSources of Cost Data Entering Cost DataEntering Cost Data Running the Model Running the Model
with Cost Data and with Cost Data and Reviewing Cost Reviewing Cost OutputOutput
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Two Types of Cost OutputTwo Types of Cost Output
1.1. Capital, Land, and Maintenance Capital, Land, and Maintenance Costs on the Summary Tab of a Costs on the Summary Tab of a WinSLAMM Model RunWinSLAMM Model Run
2.2. Capital, Land, and Maintenance Capital, Land, and Maintenance Costs included with the output when Costs included with the output when you run a set of .dat files using the you run a set of .dat files using the Batch ProcessorBatch Processor
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Enter the Cost Data File Name in the Current File Data Window
1. Output on a Model Run Summary Tab1. Output on a Model Run Summary Tab
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Total Control Practice Costs
1. Output on a Model Run Summary Tab1. Output on a Model Run Summary Tab
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Enter the Cost Data File Name by checking the box and pressing the ‘Select Cost Data File’ Window
2. Output from a Set of .dat Files2. Output from a Set of .dat Files
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Import the output file ‘DATSetOutput.CSV’ into Excel
2. Output from a Set of .dat Files2. Output from a Set of .dat Files
Cost Output for each .dat file
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Import the output file ‘DATSetOutputCostDetail.CSV’ into Excel
2. Output from a Set of .dat Files2. Output from a Set of .dat Files
Cost Information for each control
practice
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Import the output file ‘DATSetOutputCostDetail.CSV’ into Excel
2. Output from a Set of .dat Files2. Output from a Set of .dat Files
Additional Detention Pond Sediment and Biofilter Volume Information
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Import the output file ‘DATSetOutputCostDetail.CSV’ into Excel
2. Output from a Set of .dat Files2. Output from a Set of .dat Files
Present Value and Annual Value Cost Information
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$$We covered . . .We covered . . .
Cost Analysis Cost Analysis OverviewOverview
Sources of Cost DataSources of Cost Data Entering Cost DataEntering Cost Data Running the model Running the model
with Cost Data and with Cost Data and Reviewing Cost Reviewing Cost OutputOutput
Questions?Questions?
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