Department of Public WorksDepartment of Public Works

Bureau of Street ServicesBureau of Street Services

Valerie Lynne Shaw President

Department of Public Works

PROFESSOR PROFESSOR POTHOLEPOTHOLEPRESENTSPRESENTS

Everything You Always WantedEverything You Always Wanted To Know About Selecting Streets To Know About Selecting Streets

For Resurfacing In Your For Resurfacing In Your Neighborhood Council.Neighborhood Council.

William A. Robertson, Director

Bureau of Street Services

THE STREET SYSTEMTHE STREET SYSTEM

Current Condition AssessmentCurrent Condition Assessment

6,500 miles street system6,500 miles street system

Approximately 1,000 miles of failed streetsApproximately 1,000 miles of failed streets

Overall street system condition is a C-Overall street system condition is a C-

How Did We Get In This Mess?How Did We Get In This Mess?• Prior to World War II the City was comprised of approximately 2,500 miles of paved streets and the Annual Resurfacing Program (ARP) consisted of 50 miles.

• After World War II, and the rapid growth of the San Fernando Valley the street system grew to 6,500 miles.

• Up until 1986, the ARP still consisted of only 50 miles of resurfacing.

• From 1987 to the early 1990’s, the ARP was increased to approximately 150 miles.

• Fiscal Year 1994-95, the Bureau was funded for its first 200 mile ARP.

• This year the ARP is funded at 135 miles.

HOW CAN THE HOW CAN THE NEIGHBORHOOD COUNCILS NEIGHBORHOOD COUNCILS COLLABORATE TO FIX THIS COLLABORATE TO FIX THIS

MESS?MESS?

2005 – 2006 ANNUAL RESURFACING 2005 – 2006 ANNUAL RESURFACING PROGRAM WILL BE COMPRISED OF:PROGRAM WILL BE COMPRISED OF:

Annual resurfacing program Annual resurfacing program funding, plusfunding, plus

$100,000 per Neighborhood $100,000 per Neighborhood Council.Council.

Neighborhood Councils Neighborhood Councils ResponsibilitiesResponsibilities

1.1. Thoroughly know the street infrastructure of your Thoroughly know the street infrastructure of your neighborhoods.neighborhoods.

2.2. Familiarize with the Neighborhood Council Familiarize with the Neighborhood Council Infrastructure Assessment provided by the Infrastructure Assessment provided by the Bureau of Street Services (BSS).Bureau of Street Services (BSS).

3.3. Prioritize your needs as a Neighborhood Council.Prioritize your needs as a Neighborhood Council.

4.4. Select a Public Works liaison / Public Works Select a Public Works liaison / Public Works Committee.Committee.

5.5. Report to the BSS in a timely manner.Report to the BSS in a timely manner.

Types of Resurfacing WorkTypes of Resurfacing Work Maintenance OverlaysMaintenance Overlays

– A maintenance overlay is the application, by an asphalt A maintenance overlay is the application, by an asphalt paving machine, of from 1” to 1paving machine, of from 1” to 1½½” of asphalt wearing surface ” of asphalt wearing surface to a roadway. Once a roadway has deteriorated to the point to a roadway. Once a roadway has deteriorated to the point of having poor riding and drainage qualities the application of having poor riding and drainage qualities the application of a maintenance overlay is required.of a maintenance overlay is required.

ResurfacingResurfacing– Resurfacing is the placement by an asphalt paving machine Resurfacing is the placement by an asphalt paving machine

of 2” (of 2” (±)±) of asphalt wearing surface over a prepared of asphalt wearing surface over a prepared subbase. The roadway may have had up to 25% by surface subbase. The roadway may have had up to 25% by surface area involved in base failures. area involved in base failures.

ReconstructionReconstruction– Reconstruction is the placement by an asphalt paving Reconstruction is the placement by an asphalt paving

machine of 2” (machine of 2” (±)±) of asphalt wearing surface area over a of asphalt wearing surface area over a prepared subbase. The roadway may have had from 26% prepared subbase. The roadway may have had from 26% to 100% by surface area involved in base failures.to 100% by surface area involved in base failures.

How Can You Get More For Your How Can You Get More For Your Money?Money?

3,300 ft. of Maintenance Overlays, or3,300 ft. of Maintenance Overlays, or 2,640 ft. of Resurfacing, or2,640 ft. of Resurfacing, or 1,130 ft. of Reconstruction.1,130 ft. of Reconstruction.

$100,000 can provide the $100,000 can provide the Neighborhood Council with:Neighborhood Council with:

Note: A typical residential City block has an average length of 500 ft.

How To Read Your Neighborhood How To Read Your Neighborhood Council AssessmentsCouncil Assessments

Proposed Resurfacing Projects FY 2004-05Proposed Resurfacing Projects FY 2004-05 Proposed Resurfacing Projects FY 2005-06Proposed Resurfacing Projects FY 2005-06 Completed Resurfacing Projects (Last 5 Completed Resurfacing Projects (Last 5

years)years) Resurfacing/Reconstruction Assessment Resurfacing/Reconstruction Assessment

SummarySummary

How To Read The Resurfacing How To Read The Resurfacing Assessments?Assessments?

2 2 No Base FailureNo Base Failure 3 3 1% - 5% Base Failure1% - 5% Base Failure 4 4 6% - 10% Base Failure6% - 10% Base Failure 5 5 11% - 15% Base Failure11% - 15% Base Failure 6 6 16% - 20% Base Failure16% - 20% Base Failure 7 7 21% - 25% Base Failure21% - 25% Base Failure 8 8 ReconstructReconstruct

Note: Smaller number in rank indicates a better condition of the street.

RANKRANK DESCRIPTIONDESCRIPTION

How Are Streets Selected?How Are Streets Selected?

Street selection for the Annual Resurfacing Street selection for the Annual Resurfacing Program is based on the Bureau’s Program is based on the Bureau’s Pavement Management System:Pavement Management System:

– Defines the existing condition of streets.Defines the existing condition of streets.

– Determines the most economical Determines the most economical maintenance and rehabilitation strategy.maintenance and rehabilitation strategy.

– Predicts future condition of the street Predicts future condition of the street network based on different budget network based on different budget scenarios.scenarios.

Why Don’t We Fix The Worst Why Don’t We Fix The Worst Streets First?Streets First?

80/20 Allocation Plan80/20 Allocation Plan

80% Overlays/Resurfacing80% Overlays/Resurfacing

20% Reconstruction20% Reconstruction

Spending more in reconstruction or using a Spending more in reconstruction or using a “worst first” strategy would greatly reduce the “worst first” strategy would greatly reduce the number of streets resurfaced and cause an number of streets resurfaced and cause an acceleration in the decline of the overall acceleration in the decline of the overall condition of the street system.condition of the street system.

Pavements need to be managed, not simply maintained.

Why Use Pavement Management?

RecommendationsRecommendations1.1. Select streets that are contiguous to the other Select streets that are contiguous to the other

streets selected under the Annual Resurfacing streets selected under the Annual Resurfacing Program (ARP).Program (ARP).

2.2. Minimize the selection of streets that require Minimize the selection of streets that require reconstruction.reconstruction.

3.3. Provide the Bureau of Street Services with a Provide the Bureau of Street Services with a priority list of resurfacing projects as soon as priority list of resurfacing projects as soon as possible. (All projects need to be “cleared” by possible. (All projects need to be “cleared” by the utility companies as mandated by the Street the utility companies as mandated by the Street Damage Restoration Fee Ordinance before Damage Restoration Fee Ordinance before they can be added to the ARP.)they can be added to the ARP.)

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