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RCA Exhibit A 4) Time of concentration calculations, 5) An electronic copy of any computer modeling used for the drainage computations, and 6) Relevant construction plan sheets. Direct questions concerning drainage issues to Bryce Fossand, Metro Water Resources, at 651- 234-7529 or bryce.fossand(a�state.mn.us. Residential Noise: MnDOT's policy is to assist local governments in promoting compatibility between land use and highways. Residential uses located adjacent to highways often result in complaints about traffic noise. Traffic noise from this highway could exceed noise standards established by the Minnesota Pollution Control Agency (MPCA), the U.S. Department of Housing and Urban Development, and the U.S. Department of Transportation. Minnesota Rule 7030.0030 states that municipalities having the authority to regulate land use shall take all reasonable measures to prevent the establishment of land use activities, listed in the MPCA's Noise Area Classification (NAC), anywhere that the establishment of the land use would result in immediate violations of established State noise standards. MnDOT policy regarding development adjacent to existing highways prohibits the expenditure of highway funds for noise mitigation measures in such developed areas. The project proposer is required to assess the existing noise situation and take the action deemed necessary to minimize the impact to the proposed development from any highway noise. If you have any questions regarding MnDOT's noise policy, contact Peter Wasko in Metro District's Noise and Air Quality Unit at 651-234-7681 or Peter.Wasko(�a,state.mn.us. Survey: The distance along the east line of lot 6, as flagged, should be 233.00 feet; not 200.00 feet. Regarding the curve along TH36 right-of-way (r/w), the proposed plat holds the record, chord definition radius of 3014.93 feet. Holding the rest of the geometry on the proposed plat, the curve length and central angle compute to 452.89 feet and 8^36'24" respectively. The plat identifies the same at 452.97 feet and 8^36'30". Please check the curve data. Note that MnDOT determines r/w based on the field surveyed location of the monumented centerline and monuments on the r/w line. The monumented "L" centerline (see map 13-59) yields a radius of 3021.715 feet on the r/w line adjoining the proposed plat. Nevertheless, the portion of the boundary of the proposed plat, that coincides with MnDOT's r/w, is very close to MnDOT's determination of the r/w and is acceptable. For questions regarding these comments, please contact Matt Wernet (matt.wernet(u�state.mn.us or 651-366-4345) in Metro District's Surveys Unit. Review Submittal Options: MnDOT's goal is to complete the review of plans within 30 days. Submittals sent electronically can usually be turned around faster. Submit one of the following: Page 15 of 22