Jason Chapman Louisiana DOTD. [Transportation Innovation: Solving Tomorrow s Challenges]

Transcription

1 Louisiana s Pontis Implementation Jason Chapman Louisiana DOTD Bridge Management [Transportation Innovation: Solving Tomorrow s Challenges] 2009 Louisiana Transportation Conference

2 Summary: Introduction Pontis Overview Pontis Implementation Status Analysis and Results Conclusions

3 Louisiana s Bridge Network 13,175 Total Bridges 5,261 Bridges Off the State System 7,914 Bridges On the State System 112 are Movable Bridges 676 are Structurally Deficient 1,490 are Functionally Obsolete Bridge Network Number of Bridges 13,175 Number SD 1,769 Number FO 2,168 Number Posted 2,325 Area (sf) 161,274,525 Area SD 15,623,128 Area FO 32,778,090 Area Posted 16,616,820 On System Number of Bridges 7,914 Number SD 676 Number FO 1,490 Number Posted 520 Area (sf) 139,568,426 Area SD 13,526,192 Area FO 21,821,044 Area Posted 5,469,485 Off System Number of Bridges 5,261 Number SD 1,093 Number FO 678 Number Posted 1,805 Area (sf) 21,706,099 Area SD 2,096, Area FO 10,957,046 Area Posted 11,147,335 Federal Aid Routes Number of Bridges 6,946 Number SD 444 Number FO ,312 Number Posted 486 Area (sf) 133,851,116 Area SD 12,761,079 Area FO 20,781,745 Area Posted 5,176,819

4 Where were bridges built? District New Orleans 03 Lafayette Shreveport Monroe 07 Lake Charles Alexandria Baton Rouge 62 Hammond Number of Brid dges Number of Bridges by District District

5 Where were bridges built? District 35% 02 New Orleans 03 Lafayette 04 Shreveport 30% 05 Monroe 07 Lake Charles 25% 08 Alexandria 61 Baton Rouge 20% 62 Hammond Percentage of Deck Area by District Per rcentage of Dec ck Area 15% 10% 5% 0% District

6 When were bridges built? Percentage of Deck Area Built by Decade 35% 30% 25% 20% 15% 10% 5% 0%

7 Pontis Overview Bridge Management System Software Element Based Inspection Element Conditions

8 Pontis Overview Recommended Maintenance Actions Costs for Maintenance Element Deterioration

9 Pontis Implementation Define Louisiana Specific Elements Collect Element Inventory Develop Element Based Inspection Procedures Cost Models Deterioration Models Initial Inspections for Model Calibration Final Implementation Element Level Inspections

10 State Crews Collect Inventory 4,216 Bridges Inventoried Element Based Inventory Span by Span Method (30,487 Spans) Core Elements Used Inventory Collected with Paper Form

11 Phase I (Setup and Inventory) Identify Louisiana Specific Elements 106 Commonly Recognized (CoRe) Elements (AASHTO) 150 CoRe and Custom Elements Identify Conditions and Actions for Each Element Collect Remaining Inventory 3,670 Bridges (52,314 Spans)

12 Phase I (Setup and Inventory) Pontis Data Entry Inventory Changed to Modified Structure Units Data Imported to Pontis db

13 Phase I (Setup and Inventory) Field Inspection Procedures Test Alternate Data Collection Devices Paper Laptop Palm Palm Application - Pontis Handheld Data Collector (PHDC) Windows Mobile Version of PHDC Pontis Inspection Manual Office Manual Field Manual

14 Phase II (Training) Test Training Procedures Palm Inspection Procedures Louisiana Specific Inspection Parameters Perform Field Inspections Train District Inspectors Districts 03 and 62 August 2007 Districts 07 and 08 March 2008 Districts 04, 05 and 58 April 2008 Districts 02 and 61 June 2008

15 Phase III (Inspection and Modeling) Collect Inspection Data 400 Bridges Representing Common Structure Types Further Testing for PHDC and Inspection Manuals Provide Feedback on Procedures

16 Phase III (Inspection and Modeling) Elicit Pontis Model Information Element Action Costs Element Deterioration Probability Rates Improvement Costs for Structures Replacement Costs Widening Costs Agency Policy Settings (Legal and Design Standards) Vertical Clearances Lane Widths Setup Agency Rehab and Scoping Rules Enter Modeling Data Into Pontis Standard Dimensions: 4' deep, 16" wide flanges Girder - Steel - I - Beam/Plate - Painted (LF) PONTIS Element 107 Surface Clean; Spot Paint Top Coat (CS2): Assumptions: Work performed by DOTD Maintenance Personnel 4' deep x 3' long section of beam; 12 SF Item Quantity Unit Item Number Item Cost Unit Cost/LF Material (MS 285) SF $0.83 LF $3.32 Labor 1.00 MH $20.00 LF $6.67 Equipment: Tools 1.00 LS $5.00 LF $1.67 Pickup 0.50 HR $5.00 LF $0.83 Total Cost $12.49 Hand Tool; Clean; Paint (CS3, CS4): Assumptions: Work performed by DOTD Maintenance Personnel 4' deep x 3' long section of beam; 12 SF Item Quantity Unit Item Number Item Cost Unit Cost/LF Material (MS 285) SF $0.83 LF $3.32 Labor 2.00 MH $20.00 LF $13.33 Equipment: Tools 1.00 LS $5.00 LF $1.67 Pickup 1.00 HR $5.00 LF $1.67 Total Cost $ Condition Repair Cost Multiplier State Per LF CS $17.99 CS $19.99

17 Customization Inspection Reports Forms for DOTD Data and Approval Procedures NBI Inspection Data and other DOTD specific information Streambed Profile Timber Rating Form

18 Customization Bridge Inspection Report NBI and Element Data Bridge and Inspection Notes Inventory and Deficiency Photos Scanned Images Streambed Profile

19 Customization Security Parameters for Inspection Approval Test Data Transfer Procedures Between District Workstations and Pontis Server

20 Customization Dual Inspection Pontis and NBI Waterway Measurements Screen Timber Rating Form Screen

21 Customization Streambed Profile Tabular Format Generate Graph Generate Report

22 Customization Timber Rating Forms Bridge Maintenance Performs Load Rating Calculations for Timber Bridges

23 Data Collection Method Bridge Inspectors Bridge Inventory Bridge Condition Bridge Pictures

24 Data Transfer Process Inspectors Connect to Pontis Database Identify Bridges for Inspection Select on Inspection Desktop Create Download Set Hot sync to PHDC

25 Data Transfer Process Inspections are Performed Data Entered into PHDC Photos Taken Inspectors Return to Office

26 Data Transfer Process Completed Inspections Uploaded Through Hot Sync Photos Renamed and Transferred from Camera to HQ Server Scans Transferred to HQ Server

27 Data Transfer Process Multimedia Files Pictures Scans Word Documents Multimedia Auto- Link Application Run Nightly

28 Future Tasks District Inspectors Collect Full Cycle of Pontis Element Inspections (Complete by June 2010) To Date - 6,787 Pontis Inspections Complete Run Pontis Simulations Utilizing all Inspection Data, Cost Information, and Deterioration Models Generate Priority it List for Projects Generate MR&R Plan and Forecast Benefits for Optimization of Bridge Funding

29 Pontis Results Future Network Conditions Future Bridge Conditions Recommended d Actions Replace or Preserve

30 Network Needs District 03 (Lafayette) On System Bridges 771 of 1035 inspected (75%) 10 Year Scenario at $15 Million Per Year

31 Preservation Needs

32 Performance Indicator Sufficiency Rating

33 Performance Indicator Health Index

34 Health Index One Bridge cix_supr cix_sub cix_joint i cix_bear cix_deck hindex

35 Health Index One Bridge

36 Pontis Work Candidate List

37 Pontis Priority Listing

38 Conclusions Pontis Implementation Progressing All 9 Districts Trained Full 2 year cycle complete by June, 2010 Customization Analysis Reporting

39 Thank You