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Pavement Management: Just Do It!
- 1. Pavement Management: Just Do It! Presented by: Nathan Kebede, P.E. 37th Annual Nebraska Concrete Paving Workshop
- 2. • What is PM? • Discussion of PM benefits • Overview of PM process • Examples of PM implementations • Q&A Outline
- 3. Purpose of Today: Agree to Do PM! Pavement Management $X/mile for preservation $5X-$10X/mile for rehabilitation
- 4. Benefits of Pavement Management • Inventory of all roadway assets • Current and historical Condition data • Ability to clearly convey impact of funding on condition of network • Streamlined project selection process • Ability to track progress
- 5. Evaluate needs and establish goals Identify PM tools Establish network definition Collect condition data Create performance models Analyze and communicate results Pavement Management Process
- 6. PM Shows Budget Impacts 40 50 60 70 80 90 100 2015 2016 2017 2018 2019 2020 PavementConditionIndex Year Backlog elimination $6.8M/yr $2M/yr (Current) $3M/yr $4M/yr Maintain
- 7. PM Supports Goal-oriented Work Plans
- 8. • Project outcomes: – Created a GIS-Based street asset inventory – Presented multiple budget scenarios to city council – City council working to secure more funds Proof Is in the Pavement: IL Peoria, IL
- 9. • Project outcomes: – Detailed multi-year work plan to improve network condition – Helped officials secure needed funds Proof Is in the Pavement: AZ Cave Creek, AZ
- 10. • Project outcomes: – Updated pavement performance models, treatment strategies, and preservation treatments – Establish pavement condition targets to drive budget allocation – City council approved a 30% budget increase Proof Is in the Pavement: AZ Goodyear, AZ
- 11. • Project outcomes: – Adopted updated treatment strategies that allowed the county to treat more roads – Establish pavement condition targets to drive budget allocation – Presented findings to policy- makers and secured increased funding Proof Is in the Pavement: OR Washington County, OR
- 12. • Project outcomes: – Produced a multi-year M&R plan – Deployed a web-based data exchange platform Proof Is in the Pavement: IA Iowa Statewide Airports http://www.iowadot.gov/aviation/pavementmanagement/index.html
Editor's Notes
- Good afternoon. My name is Nathan Kebede and this afternoon I’d like to talk to you about pavement management. Next animation To do that I am going to Define what PM is Discuss the benefits of PM and why agencies should adopt it Touch up on the process of PMS implementation Provide some example projects I have been working on PM projects for several years, which is how I know that in today’s world of shrinking funds and high expectations, any agency can and should implement a PMS. During today’s discussion I am going to share with you the experiences of a number of agencies of varying sizes who have implemented a PMS successfully. I’ll share with you the challenges they faced before implementation and the benefits they derived after implementation.
- Before I go further, Just so that I can have an idea of who is here, Can I get a show of hands of people here from agencies that manage pavements? Could be towns, villages, cities, counties, HOAs… Ok, how many of you have already implemented a pavement management program? For those that have not yet done so, can you tell me some of the reasons why you haven’t implemented? Okay, Thank you for the participation. Now, lets get started. Traditionally, agencies have been selecting the roads that get fixed using the “worst firsts” strategy. A growing number of agencies of all sizes are moving away from the “worst first” strategy and adopting pavement management programs. Pavement management is the planning of M&R for a network of pavements in order to maximize the overall pavement condition while minimizing the lifecycle cost of the roadway network. A successful PMS allows agencies to keep pavements in good condition by proactively incorporating pavement preservation activities. Next animation: Besides allowing agencies to maintain their roadway networks in good condition, a successful PMS also saves agencies a lot of money. Agencies can implement pavement preservation earlier in the pavements’ life for a fraction of the cost of replacing the pavement when it ages and is in bad condition. The cost of pavement rehabilitation or reconstruction can be as high as 5 or 10 times the cost of pavement preservation. The cost to implement PM is a frequent answer to why many agencies have not implemented a PMS. However, I can say with full confidence that the absence of a PMS at your agency will cost your agency more money in the long run. Agencies with shortfalls in their pavement maintenance budgets are those that will derive the most benefit from a successful PMS.
- So let’s look at some of the specific benefits agencies can expect to get from PM. Next animation There are a number of agencies that are not fully aware of how much pavement and what type of pavements they have. A PMS enables agencies to have a reliable and accurate inventory of all their roadway assets. Next animation A PMS lets agencies know the current condition of their pavements and how the condition has changed over time. It also gives agencies the ability to forecast the future condition of their pavements. Knowing how a pavement condition is going to change over time enables agencies to make data driven decisions regarding future treatments and rehabilitation. Next animation Most pavement managers know if and when they need more money to fix the agency’s roads but sometimes they find it hard to tell the story in a way that other stake-holders and policy-makers can understand. Simply saying “I need more money” doesn’t cut it because there are many other competing agencies that also need more money. A PMS enables agencies to communicate the impact of different budget levels to stake-holders and policy makers. It allows the data to tell the story. Next animation Instead of playing “whack a mole” and fixing the worst pavement first, a PMS enables agencies to optimize the project selection process in order to achieve the goal of having a pavement network with better condition over time. Next animation Finally, it allows agencies to track their progress so that they know where they started from and where they are headed. Before going to the next slide, ASK For those of you who have implemented a PMS, can you share with us a couple of benefits you have derived that I failed to mention?
- A successful PM process is a dynamic and continuous cycle. It shouldn’t be “one time and done”. A successful PMS offers agencies the benefit of learning from previous cycles and constantly improve. Next animation The first step of the PM process is to identify the needs of the implementing agency. Needs can vary from implementing a brand new system to updating an existing system or replacing an outdated system. Once these needs are identified, it is important to establish goals and objectives. Objectives can range from identifying all pavement assets and current conditions to evaluating an existing system to insure it is running efficiently. The clear establishment of goals is important because it helps guide the entire PM process towards the most favorable outcome for all stake-holders. Next animation The second step is to identify the tools needed to achieve the established goals. There are a number of methods and software packages available and choosing the correct tool is vital to the success of this process. Next animation The third step involves the identification of all streets in the jurisdiction of the agency and the segmentation of these street. The most used segmentation process is to segment streets block-to-block Next animation Condition data is collected in the fourth step. Data collection can vary from a simple wind-shield street survey to a more complex automated and continuous data collection using high-speed cameras, lasers, and sensors mounted on multi-function vehicles. Similar to the second step in this process where the appropriate PM tools are identified, it is just as important to identify the appropriate type of data collection suitable for the agency. Although it is nice to collect data using the best available technology in the market place, it is important to note that some agencies can achieve their stated goals and objectives with a simpler and cheaper form of data collection. Next animation In the fifth step, performance and deterioration curves are established. Deterioration curves are what help forecast the future condition of pavements. Next animation The last step in the PM cycle is the analysis of all the information that has been gathered and producing results. As I mentioned earlier, this process should be an ongoing cycle. As time moves, an agency’s goals and objectives may also change; therefore, it is important to revisit this process on a regular basis to insure that the results obtained are still applicable.
- One of the most important results of a PMS is to demonstrate the impact of various budget levels on an agency’s roadway network. Using the condition data you collect and the performance and deterioration curves you establish, you can predict the condition of the pavement over time based on specific funding scenarios. This example came from a county in IL. It shows that the county, at its current funding level, would see a decline in the overall condition of the network over five years. To simply maintain the network, the current budget required a 25% funding increase. The plot also shows how much the county would need to invest yearly to eliminate all the backlog of work. Having results presented this way to stake-holders and policy-makers makes communication simple and straight-forward. It can tell the story in a way that can be understood by those who need to know.
- Another very useful product of a PMS is a goal-oriented work plan, which is developed using an optimized project selection scheme. This type of work plan gives agencies a guide they can follow when selecting projects. It allows for planning of work years in advance.
- Over the next few slides, I’m going to present different agencies that have implemented a PMS. These examples were chosen to illustrate how lagencies of various sizes were able to benefit from a successful PM. The first example is from the City of Peoria, IL. The City has over 1,000 miles of roadway under its jurisdiction. The City wanted to update their existing PMS so that they can fully utilize its capabilities. As a result of the PM project they completed, the City has a GIS-based asset inventory of all pavements and roadway assets. For the first time, the city council could see what the overall pavement condition was and how the current budget was going to impact the condition over the coming years. The PMS showed that there is a need to increase funds and the city council, as a result, is working on ways to get more funds to the public works department.
- The next example comes from Cave Creek, AZ. The city of Cave Creek is a small suburb outside of Phoenix, AZ. There are about 80 centerline miles of pavement. After implementing a PMS, the city was able optimize their project selection scheme and establish a detailed multi-year work plan that they are currently using to reach their goal of improving the overall network condition. The multi-year plan allowed them to plan and budget for work ahead of time. It also allowed them to efficiently use pavement preservation methods so that they can do more with their resources.
- The next example comes from Goodyear, AZ. Goodyear is also a suburb of Phoenix, AZ. The city wanted to evaluate their existing PMS and incorporate pavement preservation in to their PM program. As a result, the city was able to update the performance models and deploy an improved treatment strategy that incorporated pavement preservation methods. The city reviewed their pavement condition goals and set new targets to drive budget allocations. The public works department was also able to produce various budget scenarios and effectively communicate to policy-makers the impact of current funding level. As a result, the city council approved a 30% budget increase to address pavement needs.
- The next example comes from Washington County, OR. The County wanted to assess their pavement preservation and maintenance program to make it more efficient. As a result, the County established goals and targets for their pavement condition. The county updated their treatment strategies which saved them money by using more preservation methods. Saved money is being invested in treating more roads which makes progress towards reaching the established target pavement condition. They were also able to use data from their PMS to effectively communicate to policy-makers the need for more funds and secured an increased budget.
- The last example comes from Iowa DOT’s office of Aviation. The office of aviation has used a PMS for many years to manage the airports in Iowa. Their most recent project to update and maintain the PMS includes 88 of the airports that are in the system. As a result, they were able to update their multi-year maintenance and rehabilitation plan. They have also deployed a new method of communicating the results of their PMS. The are using a web-based data exchange platform to show their users the current state of their airport pavement and various other information regarding M&R. This platform is live and anyone can access it on the DOT website. I urge you all to take a look at it when you have time.
- I hope I have succeeded in sharing with you the various benefits of a PM program and that agencies of any size can make the program work for their specific needs. If you have any questions, I can now address them.
- Thank you for your time!