appropriate tools for - minnesota department of transportation
TRANSCRIPT
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GSAM Webinar, June 21, 2012 Bonnie Peterson, Minnesota Department of Transportation
Appropriate Tools for Maintenance Operations’ Key Role in Hydraulic Infrastructure Asset Management
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Maintenance Operations’ Key Role
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Maintenance Operations “owns” the pipe for life.
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Maintenance gets stuck with
bad construction
MnDOT’s new video cameras, Laser Ring and Digisewer , can detect bad pipe installations
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Close to the ground, Maintenance sees what’s out there
Maintenance repairs the failed pipe and wrecked road.
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A little background:
HydInfra = Hydraulic Infrastructure
Culvert and Storm Drainage System
Inventory and Inspection Program at MnDOT
HydInfra includes pipes less than 10 foot span.
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Disclaimer: HydInfra is not an
Asset Management System
yet.
MnDOT is on the verge of choosing an EAM. (Enterprise Asset Management system)
These slides depict HydInfra functions to be developed in Asset Management.
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HydInfra has evolved over 16 years
• 1996 Hydraulics and I.T.: – Hired a database specialist – Coordinated input from 8 Districts + others – Created database with GPS inspections and ArcMap
data access • 2006 Hydraulics and I.T.:
– Major update envisioned Maintenance use – New features address MS4 requirements – I.T. bestowed web access to data
• 2008 Maintenance and Hydraulics and I.T.: – Maintenance adopted HydInfra for “Performance
Measures”
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2008 Maintenance’ “Drainage Performance Measure”
• Culvert repairs got funding – Chapter 152 funds – BARC funds
• Accountability – record keeping in HydInfra • More culvert Inspectors from Maintenance • Districts’ culvert inventory is completed • Inspection cycle is established
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Maintenance added ideas.
• HydInfra Report: Suggested Pipe Repair Method
• Cost estimate from Repair Method Report improves Districts’ planning and budgeting
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Maintenance sparked the “Pipe Suggested Repair Method”
Bad pipes are sorted into Repair Methods from traits
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Maintenance developed Statewide Pipe Repairs Cost Estimate
Maintenance’ HydInfra Repair Methods Work Plan July 7, 2010 Cost Estimate from
Suggested Repair Methods
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Concrete Pipes Suggested Repairs
Flowchart
Flowcharts describe Suggested Repairs process
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Detail of Concrete Pipes Flowchart
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Steel Pipes Suggested Repairs
Flowchart
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Read the Fine Print (also known as Metadata)
About the Suggested Repairs Report data: Suggested repair method is based on Flowcharts on the HydInfra MBMT webpage http://bridge/Hydraulics/HydInfraforMBMT.html • Pipes included in the Report have Status of Inplace, in Condition 3 or 4 with Repair = Y or N, or null. • Pipes of Material Types other than Steel or Concrete have no repair suggested • Pipes with extensions may not show up in this data set • These repair methods are suggested for estimating purposes and are not a repair decision • Contact [email protected] with questions about the report Before repairing a pipe many factors must be considered, including: • Hydraulic capacity of repaired pipe – get recommendation from Hydraulics/WRE • Individual pipe’s data should be verified before repair • Additional work may be required, especially mudjacking the voids • Soundness of road – can voids outside of the repaired pipe be adequately filled? • Structural integrity of pipe after repair • Cost reduction of combining repairs for several pipes of one repair method in a project • Cost comparison for repair methods in local area may suggest a different repair method • Cost balance of open trenching (with required pavement repairs) versus other methods • Type and scope of project (reconstruction, overlay, maintenance) may suggest choosing replacement over
repair, or vice versa • Traffic requirements – are lane closures required or are they feasible? • Right‐of‐Way sufficient for repair method • Accessibility for equipment used in repair method • Presence of large rocks prevents jacking • Other repair methods may be appropriate for any pipe, for example, “Grout Joints” pipes might also be repaired
with internal bands
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HydInfra data is used by Maintenance and Hydraulics
• Budgeting • Repair planning • Project Pre-design • Reporting for MS4 • Research on Materials • Lifecycle planning - someday
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Hydraulics + Maintenance
Friends with Benefits
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Good Asset Management requires
Appropriate Tools
Tools for inspection and data access vary by user background
and location
(International development agencies learned this lesson long ago. It took me awhile)
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8 Individual MnDOT Districts
act like 8
individual districts
(or maybe 10)
Many, part-time users have a variety of skills
and needs.
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HydInfra Data Management Tools
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Simple ratings suggest repair needs
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Explicit criteria behind the condition ratings Concrete Pipe and Special Structure condition rating guide
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Inspection “Flags” allow sorting for problems
Condition Indicators –Needs Repair? –Piping –Cracks –Holes –Deformation –Misalignment –Joints Separated –Spalling/Flaking –Pitting/Rusting –Infiltration
Roadway Indicators –Void in Road –Road Distress –Inslope Cavitation –Erosion/Scour
Not in Condition Rating –Needs Clean? –Plugged –Silt –Standing Water
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Pipe Materials & to track lifecycle
Liner HDPE Liner PVC Liner Cured in Place Liner Metal Liner Other
“Liner” materials describe a lined pipe:
Corg. Steel (CSP) Structural Plate Polymeric-Coated Bituminous-Coated
Aluminized Steel Corg. Aluminum (CAP)
Corg. Plastic (HDPE) PVC Perforated Plastic
Timber Other
Concrete
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Together condition, flags and material
create solutions.
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ArcMap:
Repair Planning
Potential Invert Paving Repairs
behind the map
there is data
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What kind of data goes in?
•Project design “Proposed” data (CSV)
•Construction as-builts (we wish)
•HydInfra inspection cycle (TerraSync,
ArcPad)
•Maintenance’ repairs (TerraSync, Excel)
HydInfra Tools and Capabilities
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Flexible data input tools for varied skill types
• GPS – Trimble Terrasync for part-time Inspectors – ArcPad field inspection for Metro District
• CADD data export for Hydraulics designers • Excel/Crystal Report for random updates
– HydInfra Input file
• Forms
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District Inspectors can inspect with little human support
• Inspection support is web-based – downloads uploads and instructions
• Trimble TerraSync GPS is very forgiving
• Inspectors work from remote Truck Stations
• Some Inspectors process and upload data
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TerraSync GPS Import Files Inspector “edits” HydInfra data, saves new record
Reduces duplicate inventories!
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Excel HydInfra Input File – “hif-like data” for input from paper inspections
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Getting the data out is more important than
getting the data in.
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Appropriate Data Out Tools
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Data comes out: •Web-based Crystal Reports
– Export to Excel for number crunching
•ArcMap HydInfra Tools – Simplifies GIS data access
•MnDOT Basemap and DNR Quick Tools – Fast setup for background ArcMap layers
•Web-based WRE Map Service – Map and data available to special outsiders
•KML Google Earth – Quick maps and data for the hinterlands
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Data line speed – slow or fast?
• Remote Truck Stations can’t use ArcMap – painfully slow updates
• ArcMap for District office people – fast(er) updates
• Web-based Crystal Reports for all regions • Google Earth KML for fast and easy map
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Inspectors – wide range of PC skills
• Inspectors may need basic PC training • Inspectors may be skilled with PCs • Most human support is by phone • Annual HydInfra Inspector Training includes
download procedures
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How it all might be used
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Asset Management Scenarios:
1. Maintenance plans annual pipe repairs 2. Hydraulics’ culvert design for construction
project 3. Maintenance finds shoulder cave-in 4. Heavy rains wash out culvert on remote
highway 5. Metro District hazardous spill
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Scenario 1: Maintenance plans annual pipe repairs
• District Key Expert runs web report: “Pipe Suggested Repair Method” • Exports to Excel and “Format as Table” • Selects pipes on highways to be repaired • Sends to Hydraulics group for input • Estimates costs, orders materials, fixes • Or repairs are contracted out
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Web-based HydInfra Reports export to Excel
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Maintenance selects pipes to repair: Suggested Repair Methods Report
Excel “Format as Table” saves time for Maintenance
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Scenario 2: Hydraulics’ culvert predesign for construction project • Winter design work • Aging steel plate culvert • HydInfra shows condition rating and pipe
problems (inspection flags) • Check for pipe video • Fish passage and DNR permit required • Possible culvert upsizing & StreamStats • Materials Lifecycle consideration
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HydInfra ArcMap Query Tool export data to Excel, also CADD
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Maybe this pipe also has a Video Inspection
• Designer reviews video inspection data
• Video standards at: Asset Management should include space for video inspection data lNASSCO PACP Pipeline Assessment & Certification for video inspections http://www.nassco.org/training_edu/pdfs/pacpcodechart.pdf
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Get environmental permits info from MNDNR - Quick Tools in ArcMap
Find MnDot-DNR Permit best practices Questions to MnDOT’s DNR Liaison
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Designer gets culvert watershed area from StreamStats
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Should we replace the steel culvert with concrete?
Check the
Materials Lifecycle Map
(It doesn’t exist yet but that would be so cool!)
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Research Pipe
Materials in ArcMap
Inspection flags show hotspots: Joint Separation
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Inspector tells Supervisor HydInfra ID Highway Milepost location
Scenario 3: Maintenance Inspector calls in shoulder collapse
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• Pipes2.kmz • SpecialStructures2.
kmz • Structures2.kmz
Supervisor finds location in KMZ
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The Supervisor • Runs the Suggested Repair Method Report
• Sends information to District HQ for Hydraulics’
recommendation
• Sends right of way staking request to Surveys
• Repairs pipe as recommended
• Updates pipe in HydInfra with Hif-like data report
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Scenario 4: Heavy rains wash out culvert on remote highway
• Roadway is out • FEMA disaster
declared = special forms and records
• Asset Management to find spare parts
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Find spare parts and people in Asset Management
• Adjacent District has right-size apron and can deliver today
• Request Metro Maintenance Drainage Crew for help with emergency repairs
• Request HydInfra Inspectors from other Districts for other emergency inspections
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Trained Maintenance’ Inspectors can collect other data with GPS
• FEMA flood disaster field records
• Guardrail hits
• Noxious weeds control
• Maintenance has endless needs
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Scenario 5: Metro District Hazardous Spill is contained
• Semi-Truck carrying benzene overturns • 1100 feet from Mississippi River • Storm drain outlets to the river
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Locate Outfall on WRE’s Map Service Geocortex Map Service for outsiders
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Maintenance plugs outfall while
HAZMAT contains spill
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Planning for Asset Management
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Don’t tell one guy to go make a list of data fields and call that good.
It won’t be.
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Developing Asset Management is a process that begins by gathering fresh ideas, then beating the crap out of them in group discussions, to end up with a sleek and efficient set of improvements . . .
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I know . . . Maintenance folks are
doers not talkers but . . .
• Asset Management needs good planning • Good planning requires hours of discussion • Once completed it’s hard to change
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End
(but the following slides have useful info)
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HydInfra Program Information • HydInfra • HydInfra Inspector
– Inspector training information – Inspection Manual – TerraSync data dictionary for GPS data
logging – Inspection procedures step by step
instructions
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NASSCO PACP • Asset Management should include space for
video inspection data – lNASSCO PACP Pipeline Assessment & Certification for
video inspections – http://www.nassco.org/training_edu/pdfs/pacpcodech
art.pdf
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Create KMZ for Google Earth 1. Create the ArcMap Layer (Point features)
• Define projection with Data Management Toolbox 2. Set up Layer’s Properties:
• HTML Pop-up – Toggle on “Show Content for this layer using HTML
Popup tool” • Label
– Toggle on and choose the Label Field • Symbology
– Set colors and symbols • Fields
– Hide all but the best ones 3. Run ArcToolbox: Conversion Tools > To KML
• Try 20000 scale
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Useful free programs • MyMobiler
– Project GPS screen onto PC for training inspectors
• Trimble Transfer Utility – Download field data files
• ActiveSync
– Connect Windows Mobile devices to PC
• Microsoft Excel “Format as Table” – Super-efficient way to sort and select data – (Okay it’s not exactly free but everyone has it)