Existing Conditions Summary and Capital Improvement Plan

Transcription

1 Town of Ledyard, CT Pavement Management Program Existing Conditions Summary and Capital Improvement Plan February 2011

2 Why Pavement Management? Maximize Available Funding Reduce long-term maintenance costs Short and long range repair plan Better roads for less money vs.

3 Why Pavement Management? Deterioration Curve Excellent Good Fair Poor Very Poor Failed % Time 40% Quality Drop 40% Quality Drop Each $1 of Repair Not Done Here Will Cost $8 to $10 if Delayed to Here

4 System Overview MS Access- based Program Geodatabase Format Dynamic Link with Tables and GIS CIP Tools Bid Specifications

5 System Overview Four Step Process: 1 Establish Roadway Inventory 2 Field Inspection Program 3 Capital Improvement Planning 4 System Maintenance

6 Establish Roadway Inventory ConnDOT Road Inventory File (RIF) Town GIS and other Available Data Maximize Prior or Existing Pavement Management Data Review Street Acceptance Information Understand Ownership Develop Profile ConnDOT Town Data Step 1 GIS Ownership

7 Establish Roadway Inventory Roadway Profile Step 1 Type Miles State 20 Private 15 Town 110 Total 145

8 Field Inspection Program Step 2 Calculate Road Surface Rating (RSR) On-the-Fly Ratings are 0 to 100 (Worst to Best) QA/QC Program Pilot Project

9 Sample Inspection Data Step 2 Church Hill Road RSR = 48 Mill and Overlay Vinegar Hill Road RSR = 68 Level and Overlay

10 Sample Inspection Data Step 2 Fanning Road RSR = 92 Crack Seal Christy Hill Road RSR = 96 Defer Maintenance

11 Existing Conditions Summary Defer Maintenance (22%) Step 2 Maintenance (21%) Crack Seal Surface Treatments (11%) Chip Seal Defer Reconstruction Mill & Overlay Micro Surfacing Level & Overlay (32%) Mill & Overlay (13%) Reclamation (1%) Maint. Surface Treatments Level & Overlay

12 Roadway Condition Summary Town Maintained Roadways Step Fair Excellent Miles Very Poor Poor Good 110 Miles RSR = 75 0 Reclamation Mill & Overlay Level & Overlay Surface Treatment Crack Seal Defer Maintenance

13 Roadway Condition Summary RSR Breakdown by Functional Class Step 2 Summary Type Mileage Avg RSR Arterial Collector Art./Col RSR/Mileage Mileage Avg. RSR Local Total Arterial Collector Local Total Type

14 Existing Conditions Summary Backlog Summary Town Roadways Step 2 Repair Method Length (Miles) Cost % By Repair Reclamation 0.90 $314, Mill and Overlay $3,170, Level and Overlay $7,206, Surface Treatment $637, Crack Seal $184, Defer Maintenance $ TOTALS: $11,512, Backlog = Approx. $12 Million

15 Capital Improvement Planning Review Backlog Budget Requirements Town Aid Local Other Identify Repair Methods Unit Costs Prioritization Strategies Step 3

16 Capital Improvement Planning Repair Breakdown by Miles Step 3 Crack Seal Surface Treatment Level and Overlay Mill and Overlay Type Miles Crack Seal Surface Treatment 1.72 Level and Overlay 2.71 Mill & Overlay 1.50 Estimated Total Approximately 25% of Paved Road Miles Targeted For Improvements

17 Capital Improvement Planning 3 -Year Projection Step Goal RSR Current $1.2 M $1.75 M $1.75 M

18 Capital Improvement Planning 2011 CIP Summary of Improvements Step 3

19 System Maintenance Update Data as Repairs are Completed Refresh RSR Identify Actual Project Costs and Contractor Information Re-inspect Roadways periodically Built-in Deterioration Curve (Based on Functional Classification) Inventory Management Step 4 PMS GIS Management Work Management

20 Town of Ledyard, CT Pavement Management Program Existing Conditions Summary and Capital Improvement Plan Thank You