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Holding Steady and Looking Forward - Implement CIP to Rebuild Houston Engineering Perspective

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Holding Steady and Looking Forward - Implement CIP to Rebuild Houston Engineering Perspective

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    1. Holding Steady and Looking Forward - Implement CIP to Rebuild Houston (Engineering Perspective) John Kuo, PE City of Houston, PWE/S&T Engineering

    2. The Charge: Houston +

    3. Where Are We – CIP FY12-16 3

    4. Storm drainage (M) PROGRAM 4 Existing Infrastructure (miles) Storm sewer - ~3,400 Off-road ditches - ~75 Roadside ditches - ~3,000 $2 billion current backlog Reported structural flooding Systems not meeting design criteria $300M Annual Investment Need FY12-16 Plan – $280M Investment

    5. Street and traffic (n) PROGRAM 5 Existing Infrastructure (miles) ~6,000 Centerline miles ~2,400 Signalized Intersections ~1,300 bridges/drainage structures $2.4 billion current backlog $1.8B Major Thoroughfares/Collectors $155M Local Street Petition/Request $30M Pedestrian/Cyclist Petition/Req $200M Signalized Intersection Equip $365M Annual Investment Need FY12-16 Plan – $550M Investment

    6. Rebuild Houston (Street & Drainage) Looking Forward 6

    8. Objective of New Candidate projects (Street and drainage) Reduce the risk of flooding Improve mobility and road safety Address areas of greatest need first Focus will be on needs and conditions across the City 8

    9. How to get there - ReBuild Houston Funding of Pub. Infrastructures Integration of CIP (Street & Drainage) Planning and Programming MTFP vs CMP Pavement Condition Assessment Study of COH current Pavement Design Practices Sustainability Design (Green Roadway)

    12. NEED STANDARDS

    15. Pavement Condition Survey/Rating

    22. REPLACEMENT - PCR

    34. Pavement Design Practices (Study) Review COH design/Const practices for improvement of pavement performance issues Key Recommendations 45’ Exp Joint Spacing and 15’ Sawed Cont Joints 1” Asphalt Bond Breaker (To Be Further Eval) Min Design Traffic Loading (e.g., Annual ESAL for Thoroughfare 200,000, 30 yr design life, 11” conc) Better QA/QC Testing/Inspection during Const. (e.g., pH test for lime %, depth of lime stab., edge of pavement/blockout, …)

    35. Challenges Drainage/Traffic Constituent Concerns ROW Issues Agency Approval Private Project Coord. Private Utility Coord. Railroad Timely Project Delivery

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