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Page 2 of 5 <br />the amount of traffic on the street. Slurry seal costs approximately one-fifth of the cost of <br />overlaying a street with a new layer of asphalt concrete, and is a cost-effective approach to <br />extend the useful life of pavement. <br /> <br />Slurry seal is a petroleum-based emulsion product; it is blended on-site in a large truck and <br />applied evenly across the entire roadway surface of an asphalt street. The slurry seal is <br />typically one-quarter to three-eighths of an inch thick. The aggregate is a mixture of fine sand <br />and black volcanic rock that increases the roadway friction and maintains a black surface for <br />several years after placement. <br /> <br />DISCUSSION <br />The Annual Slurry Sealing of Various Streets Project, CIP No. 25504, will apply slurry seal on <br />740,000 square feet of pavement on 33 street segments, as outlined below. See Attachment 1 <br />for a map of street locations. <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />[report continues on next page] <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Page 126 of 249