Street Programs & Maintenance
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The Public Works Department currently uses a Curb Rating System and one of three programs to repair or replace curb:
1. Curb Bond: Approved by voters in November 2010, this program replaces large areas of curb that are deteriorating due to a process called D-cracking (which can affect exterior concrete exposed to moisture, freezing and thawing. D-cracking occurs when the gravel, or aggregate, in the concrete absorbs water, and then cracks as the water expands during freezing).
2. Annual Curb Program: Funded by the ½-cent Road & Bridge Sales Tax, this program focuses on replacing curb along streets scheduled to be resurfaced within the next year. The intent is to complete the curb replacement before resurfacing in order to avoid damaging the new pavement whenever possible. This is the most efficient use of funds and provides the best completed project. Unfortunately, annual funding has limited the amount of curb that could be replaced and curb deterioration outpaced the program. The bond program will help ”catch up” on the backlog of repairs.
3. Curb Patching: Public Works Operations can repair deteriorated curb in response to customer complaints. Although not permanent, this is the most efficient and least costly method for repairs of small, isolated issues. Experience has shown that patches of any material may only last one to three years. This is due to the ongoing deterioration of the underlying concrete. As the concrete base comes apart, the patch material that is attached to it will also break apart.
Schedule Update - Curb Bond Replacement Program Phase 4
Curb Bond Replacement Phase 4 Map Area 16 Map
The fourth and final phase of the curb program is 95% complete*. The curb replacement work and curb ramps retrofits have been completed.
The corrections work began in late fall, with work being stopped dudring the winter months. Winter weather causes several issues in placing concrete that would likely cause longer closures and disruptions during the work and adversely affect the long-term durability of concrete. The remaining work will start up again the week of April 7, 2014 and take 4 to 6 weeks, depending on weather, to work through the remaining list of items for corrective work and address pending service requests from customers.
The $9.6 million curb bond program approved in 2010 has replaced 543,000 feet of curb (103 miles) in the past 3 summers.
*Note: 95% complete indicates the main replacement work has been completed, but some restoration or repairs still need to be completed.
Schedule Update - Annual Curb Replacement Program
FY14 Annual Curb Replacement Map
Construction for this year's annual curb program is expected to take place between August through November. Curb replacement under this program will occur in areas scheduled to receive pavement maintenance in the form of a milling or overlay next summer.