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Ms. Katie Larsen July 6, 2016 Page 4 K:\02988-200\Admin\Plan Review 06-20-16\20160706 Engineering Review #2 United Properties.docx 4. Minimum structure depth is 3.5 feet within roadway to avoid frost heaving. Grout below invert to provide sufficient depth. Following structures to be updated: 216. (Sheet C2.2) 5. No rim elevation provided for STMH 214. TRANSPORTATION 1. An updated Traffic Impact Study was submitted by Spack Consulting, dated June 27, 2016. The following comment/questions should be addressed. · The proposed site plan identifies an outlot that can be developed. The anticipated future development of this lot shall be included with the analysis. · The Site Traffic Forecasting Section shall include a comparison to what was assumed in the AUAR. · The trip distribution used for the analysis did not follow that used in the AUAR. The trip distribution used shall be revised or justified. · The Non-Site Traffic used in the analysis shall include other approved adjacent development traffic volumes (i.e. Mattamy Development). 2. With the increase in heavy truck traffic, WB-62 truck turning templets shall be provided showing that these vehicles can circulate through the site; make turns into and out of the site, and make turns at key intersections (21st Avenue at Fairview Street and Fairview Street at 20th Avenue). 3. The applicant needs to delineate the light duty from heavy duty on sheet C1.4 and extend the curb in the southeast inside corner of the drive isle. 4. There is no curbing along the east and south side of the drive isle for future expansion and the south drive isle is located within Outlot B. 5. The 21st Avenue Construction plans need to designed in cad to the format of MnDOT standard plans (http://standardplans.dot.state.mn.us/). This will include cross sections every 50 feet identifying boulevard grades. 6. The 21st Avenue east side boulevard shall be graded to accommodate a future trail 2.5 feet behind the curb. This should be included in the cross sections. 7. The existing roadway, drainage and utility easement shall be vacated as part of the final platting process. DEVELOPMENT AGREEMENT 1. Required with final plat.