6.12. SR 06-21-1999 - Laserfiche WebLink

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. . . \ The Honorable Chairman and Planning Commission March 17,1999 Page Two . The Park and Recreation Committee has reviewed this proposed subdivision and has recommended a 3D-foot easement be provided and a pedestrian trail constructed by the developer between Lots 3 and 4 Block 2. The Park and Recreation Committee has also indicated that they may want the high ground surrounded by the wetland at the southern end of Lots 2 and 3 Block 2 as park land also. . The cul-de-sac currently shows a tear drop shaped island in the center of it. Any island in the center of the cul-de-sac should be round. If it is to be built there, provisions will have to be made for that island to be owned and maintained by the lots in the subdivision. The City will not take responsibility for maintenance of any plant materials placed there. i · There is an existing cul-de-sac at the current end of Island View Drive. If Island View 4th Addition proceeds forward, that cul-de-sac could be vacated and removed depending upon the shape and slope of driveways entering it. Further review of this situation should be made, and if it can be removed and vacated, the removal of the paved surface of the cul-de-sac should be provided for by the developer of Island View 4th Addition. . Lot 1 and 2 Block 2 show house pads with elevations below street level. These lots should be regraded to provide house pads above street level. . The grading plan indicates a filling of the wetland to provide for a storm drainage pipe through wetlands to a ponding area to be constructed in the high ground further to the south. This will have to be reviewed by Steve Rohlf to determine the impact of the wetland. . No drainage calculations have been provided at this time. Drainage calculations will need to be provided, reviewed, and approved prior to final approval. The proposed pond located in the high ground at the south end of the plat outlets to the southeast onto the neighboring property. We question whether or not this development has the right to provide a concentrated flow onto the neighboring property. Perhaps a better solution would be to have the outlet flow westerly into the existing wetland to have the outlet dissipated before it flows onto the neighboring property. . There is an existing low area in the rear of Lot 3 Block 1. Part of the rear lots of Lot 1 and Lot 2 Block 1 flow to this area. The drainage calculations should review this situation to ensure that there is adequate storage for the amount of runoff tributary to this area. Any area that would be inundated in a storm will need to be provided with a drainage and utility easement. The calculations should ensure that the septic system site shown on Lot 3 does not become periodically inundated. Howard R. Green Company o.lproj.l806520J/0240/520-0317march99 CONSULTING ENGINEERS