For City Council Meeting [January 8, 2019]
TO: Honorable Mayor and City Council
APPROVAL: Ahmad R. Ansari, Interim City Administrator
Sean Grayson, Interim City Administrator
FROM: Robert G. Eisenbeisz, P.E., Public Works Director/City Engineer
Title
Request City Council to Authorize the Release of Request for Bid No. 19-030 for the Annual Slurry Seal Project, City Project No.180805.
Body
BACKGROUND:
As part of the Capital Improvement Program (CIP), the Public Works Department budgets funding annually for street maintenance projects. An important part of preventative street maintenance is to install a slurry seal over existing street pavement. A slurry seal is a mixture of oil, sand and water, and acts to rejuvenate the existing asphalt pavement, extending the life of the street as much as five years. The selection of the most appropriate treatment for a particular street segment depends on pavement conditions, traffic volumes, relevance to the circulation network, and other factors affecting the service life of the pavement.
The City of Rialto has approximately 273.6 centerline street miles of publicly maintained streets. Major Arterials, Secondary Arterials and Collector Streets make up 93.4 centerline street miles, with local residential streets making up the remaining 180.2 centerline street miles (or about 2/3 of the entire system). The entire City street network includes approximately 56.5 million square feet of asphalt concrete pavement and is subdivided into 2,262 individual street segments.
In 2008, the Public Works Department established a zoning system to provide a more effective and systematic management of local residential streets using best practices for preventative maintenance, including slurry seals and other rejuvenating treatments. The City is divided into five (5) Zones, with each Zone including approximately 54 centerline street miles. A copy of the Zone Map is included as Attachment 1. Annually, a slurry seal or other appr...
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