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STAFF I TOR: David Ahrens, Engi IPu <br />DATE: Aust 10,191 <br />T � lotion . 98 -124, <br />Staff -is reque <br />of Apolb Dnv <br />Cc <br />for January 1' <br />Council approval of plans and cettions for the ex <br />from its went terminus at Lilac Street to Lake Dave. .Sti <br />aeon to advertise for bids at this time. This aeon ► <br />The struof r# of from Sunset Road to Lake Drive was €rst <br />discussed in 1990. The portion of Apollo Drive from Sunset Road to LNac <br />is and the + ar t specifi tions'for the nal phr"t. se wad e <br />recently at the July 13,1898 Court it Ong. The proposed improvement <br />include extending Apollo . Drive from its current terminus with Lilac Street <br />northerly approcknately 1,400 feet to Lake Drive (refer to attached exhibits <br />Apollo Drive is proposed to be constructed to the same section as existi <br />Drive, 52 feet wide and 10 -ton axle load. Due to the close proximity of the <br />proposed Driveflake Drivel to to existing Lilac Str+eeJLeke <br />Drive intersection anti t cukinc ety terns, it propo d +eiim note <br />Council questioned the proposed pond design at the July 13, 1998 C►aun+ <br />Meeting. Staff has discussed the pond design with the City's consulting <br />engineer. The proposed pond design has a slope of 3:1 (3 feet horizontal to 1 <br />foot vertical) from the top of the pond to the normal water level. At the normal <br />water level a 10 -foot wide ledge is designed to allow vegetation to grow and <br />discourage access to the open water in the middle of the pond. From the ledge <br />to the bottom of the pond there is a 3:1 slope. The pond is 12 feet deep with the <br />upper 5 feet used as storage of storm water runoff. The bottom 7 feet should <br />have water in it and is used for sediment storage and water quality <br />enhancements. <br />