Agenda - Council - 06/28/2005 - Laserfiche WebLink

Home

Marigold Pond Prelimine~O~ Plat Review Moy 2 7, 2005 ltevi, s'ed: ,lune 24, 2005 3 ors submittals propose a 10 foot wetland buffer along all the wetlands in the plat. The preliminary plat also proposes to fill approximately 1,200 square feet of wetland (0.03 acres) to construct Street D; this will be reviewed as part of the LRRWMO permitting process. Traftic Analysis Report: The City Charter requires a traffic analysis report for this development. City Staff has utilized the services of Bolton and Menk Consulting Engineers to prepare this report. Traffic generated from this development will primarily Utilize the TH 47 corridor. Major intersections along this corridor were analyzed including 160a Lane, Alpine Drive, Sunwood Drive, CSAH 5/Xkimo Street, and CR 116. With the exception of CR 116 these intersections are cm-rently operating at an acceptable level of service of D or better. In the afternoon peak period the intersection of CR 116 is currently operating at an F level of service and delay will increase as a result of this development. An upgrade to the level of ~ervice at this intersection will require geometric improvement of these highways. Stop signs are to be placed on the entrances onto TH 47, and it is recommended that left mm and right through lanes be added to the TH intersection of 160th Lane at TH 47. Grading and Drainage Plans: A grading and drainage plan dated 5/12/05, last revised 6/13/05 has been prepared for this subdivision by Mark Kretchmer PE. Staff offers the following COlmncnts on this plan: 1. [,ot corner elevations need to be provided on all lot comers and along the centerline of drainage swales which do not coincide with common property lines. Drainage and utility easements need to be provided over such swales (i:e. over Lots 11 through I5 of Block 1) and need to be included on the 'grading plan. 2. A table must be added specifying house type, garage elevation, minimum floor elevation, and lowest opening elevation. 3. A temporary cul-de-sac needs to be provided on the north end of Road A. Although a note to this effect has been placed on the plan, the actual proposed orientation on the bulb should be illustrated on the plan. It may be necessary to create an outlot to accommodate this cul-de-sac.- The plan should anticipate removing the "ears" of the temporary cul-de- sac located on 162nd Ave. The drainage from this existing street will not be allowed to pond or flow across private property. It may be necessary to adjust the plan to address this issue. 4. Slopes must not be steeper than 1 foot vertical to 4 feet horizontal. Several areas within thc plat appear to exceed this slope. Calculations ~nust be submitted showing the pre-and post-runoff conditions. A permit from the Lower Rum River Water Management Organization will be required. ' Streets and Access: The sketch plan proposes one new access to Highway 47, at 160th Ln NW and to connect to 162nd Ave NW. A stub street is proposed to the north; a temporary cul-de-sac will be required in this location. MnDOT has indicated that the proposed access onto TH 47 is c(msistent with their access spacing guidelines.' The installation of left mm lanes for both -227-