8 PCSR 04-26-1994 - Laserfiche WebLink

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• Mr. Steve Ach April 15, 1994 Page Two 5. Generally speaking, the Grading/Development Plan should include additional information such as elevations at property corners and along property lines and flow arrows to clearly spell out the intended patterns of drainage after grading is completed. 6. Watermain needs to be looped from Heritage Landing 1st Addition into Heritage Landing 2nd Addition. Water is currently extended to the rear lot lines of Lots 4 and 5 abutting Lot 3 of Heritage Landing 2nd Addition. It should be noted that the extension of watermain will not be a direct straight alignment. Due to the configuration of lots in Heritage Landing 2nd Addition, the water extension will need to have horizontal bends along the rear lot line of Lot 3 and then the side yard lines of Lots 2 and 3. The preliminary plat should show wider easements in this area to accommodate the watermain construction. A minimum of 20 feet total should be shown along this alignment. 7. The cul-de-sac shows a relatively large island in the middle which is intended for landscaping. This raises the question of ownership and liability. We would • recommend that the island area be placed in an outlot of which each of the nine lots has a 1/9th interest in. This will eliminate the responsibility of the City to maintain any landscaping there, since it will not be within public right-of-way. 8. The street section shown is similar to that constructed in the Heritage Landing 1st Addition and is adequate for the development. 9. The storm sewer shown from the low point down to the ditch along Joplin Avenue should be reanalyzed. It does not appear that there is adequate depth to construct these facilities given the 902.0 elevation for the outlet in the Joplin Street ditch. 10. The island shown in the cul-de-sac only allows for a 20-foot wide driving lane around it. We would recommend that the width of the driving lane around the cul-de-sac be widened to a minimum of 28 feet to allow for reasonable 2-way traffic, emergency vehicle access should a car be parked in this area, and also enough room so that two cars can negotiate the corners of the island while still staying in their own lanes. 11. Glenn Sundeen from the Elk River Municipal Utilities has recommended that this development contain two street lights, one at the intersection of Joplin and one near the rear of the cul-de-sac island. The need for the second street light is anticipated due to landscaping of the island which could cause the area east of there to be fairly dark. • 177-1803.apr