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FEB.22.2~O~ 3:21PM M0.507 <br /> <br />-100- <br /> <br />The following comments are based on a review of the original Storm Sewer Design <br />sheet and may or may not be applicable after the above mentioned comments are <br />addressed: <br /> <br /> 55. Revise dm elevations for structures CBMH-52 and CBMH-53, <br /> <br /> 56. Please cladfy size of pipe, grade, and invert elevations for run CBMH-61 to <br /> OBMH-64. <br /> <br /> 57. Revise length of pipe from CBMH-65 to FES-66 (170'). <br /> <br /> 58. Run from FES-67 to STMH-68 to OBMH-71 is listed twice. Please clarify. <br /> <br /> 59. Provide the flow, Q, for run FES-67 to STMH-68. Revise flows downstream <br /> accordingly. <br /> <br /> .. 60, Please clarify grade of pipe for run CB-69 to CBMH-70. <br /> <br /> 61. Total flow from CBMH-71 to CBM-78 is t 1.06 CFS, but capacity is only 3.54 <br /> CFS. Please revise. <br /> <br /> 62. Provide the flow, Q, for run OUTLET-72A to STMH-74. Revise flows <br /> dnwnstream accordingly, <br /> <br /> 63. Storm sewer shall be designed for the 10-year frequency event with pipes <br /> flowing full. <br /> <br /> 64. Revise length of pipe for run FES-?2 to OUTLET-72A to 62'. <br /> <br /> 65. Revise grade and invert elevations for run CBMH-131 to STMH-132. <br /> <br /> 66. Revise grade and invert elevations for run STMH-132 to CBMH-68. <br /> <br /> 67. Revise drainage areas for CBMH-52, CBMH-53, CB-62, CBMH-64, and <br /> QBMH-65. <br /> <br /> 68. Submit inlet spread calculations. Spread shall be limited to ¼ the drive lane in <br /> the ten year event. <br /> <br />FINAL PLAT <br /> <br /> 69, Revise tot and block numbers such that the numbers on the inset sheets <br /> match the numbers on sheets 2 and 3 of the plat. <br /> <br />70, <br /> <br />Cover sheet refers to Eden Prairie, <br /> <br />--~ H~tl(anson <br /> Anderson <br /> Assoc., Inc. <br /> <br />Page 5 of 7 <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />! <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br /> <br />