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<br />, <br />,- West Round Lake Road is proposed to be reconstructed with a center median providing <br />, left turn lanes between 14th Street and Highway 96 as shown on Exhibit 3. The portion <br /> of West Round Lake Road south of 14th Street is proposed to be constructed as a typical <br />, 36 foot wide commercial-industrial section, also shown on Exhibit 3. <br /> The preliminary pavement design has been generated based upon the geotechnical <br />, investigation completed as part of the Gateway Business District project. Based upon <br /> projected traffic volumes and an assumed R-value of 20, the pavement section will <br /> consist of 4 to 4-I/2-inches of bituminous, a I a-inch gravel base, and an 18-inch select <br />, granular subcut with HDPE edge drains to remove subgrade moisture from the roadway. <br /> The proposed storm drainage improvements along West Round Lake Road, shown on <br />, Exhibit 4, consist of instaIling approximately 3,700 linear feet of RCP storm sewer <br /> ranging in size from IS-inch to 27-inch, catch basins, and manholes, This proposed <br /> storm sewer will be extended from the storm sewer system proposed to be constructed as <br />, a part of the Gateway Business District Improvements and will drain southward to the <br /> stormwater pond included in the Gateway Business District project. At the time of this <br /> study, the Gateway Business District Improvements project has not been awarded. <br />~. Zone 3 Improvements <br /> Zone 3 improvements consist of reconstructing Fairview Avenue and Valentine Court, <br /> rehabilitating Thom Drive, and seal coating Crystal A venue and DeIlview Avenue. <br />.......- <br />- Fairview Avenue <br />... The portion of Fairview Avenue to be reconstructed is between Gramise Road and <br />- County Road F. Fairview Avenue had PCI ratings of 21 and 23 in 1995, <br />'"' indicating structural failure. The street has extensive alligator 10ngitl1l'Iinal, and <br /> edge cracking. Existing storm sewer is located at County Road F and Crystal <br />. Avenue. <br />, <br />- It is proposed to reconstruct Fairview Avenue to a 32-foot wide bituminous street <br /> with B618 concrete curb and gutter as shown on Exhibit 5. The proposed <br />--. pavement section consists of 3.5 inches of bituminous. 8 inches of gravel base, <br />- and a 12 inch select granular subcut with HDPE edge drains to provide for the <br /> drainage of the subgrade. A geotechnical investigation will be competed as part <br /> of the final design to verify these assumptions. <br /> Proposed storm drainage improvements consist of extending IS and 18 inch RCP <br />--. storm sewer south from Crystal A venue to Gramise Road to facilitate the future <br />- drainage of Gramise Road. The north part of Fairview Avenue will drain to the <br />=-e County Road F stormsewer system with the installation of a catch basin at County <br /> Road F and Fairview Avenue being required. <br />--... <br />-wi FEAS,1lOO-870 6 800870j-0030 <br /> _.------- - --..- ..- _._~ _.~.~ - - _.--- <br />