Laserfiche WebLink
Review File: Rum River Meadows <br />Preliminary Plat Plan Review <br />Engineering Review <br />January 25, 2017 <br />Page 2 of 3 <br />Cl, C2, C3 <br />Revise legend (all sheets), Add riprap symbol, remove symbols not used on sheet. <br />Show the proposed street and ditch profile for all culvert sections. <br />Drainage and utility easements must be shown from ROW to Pond. Turn off set back lines except <br />on Grading plans. <br />Gl, G2, G3 <br />Add Note to Final Grading Plan: The ponds and infiltration basins were graded to final grades. <br />Pad elevations may not be to proposed grades. Each house survey must conform to the approved <br />grading plan. Proposed deviations are subject to City Review and approval and will not be <br />approved if the drainage patterns are substantially altered. <br />Drainage and utility easements over swales must be wide enough to contain the proposed flows. <br />This swale is not centered on the lot line. Submit cross section of all swales with 100 year flow <br />elevations. <br />The lowest floor elevation of all development, including basements, must be at least 3 feet above <br />the highest anticipated ground water table, 2 feet above the designated or designed 100-year flood <br />elevation, or 1 foot above the emergency overflow, whichever is higher. <br />Show all drainage and utility easements. <br />Submit geotechnical report upon receipt of this report. The geotechnical data must be reviewed <br />before the Preliminary Plat is forwarded to the City Council for approval. <br />Submit Preliminary design report with boring logs for the individual septic systems. <br />Revise sweeping note to read: "Contractor shall have a pickup type sweeper on site or available <br />within 3 hours after notification by City that sweeping is required. <br />Show culvert length and invert elevations on grading plans. <br />SW1, SW2 <br />Add note: "Email inspection reports for post rainfall and weekly inspection to City. Provide full <br />set prior to project closeout." <br />Add Note: "The City shall approve the Notice of Termination (NOT) prior to submittal to the <br />MPCA. <br />Use the same Title block for all sheets. <br />STORMWATER REPORT <br />Existing conditions <br />Revise the drainage map and model to reflect that the site is split by Armstrong Boulevard and by <br />Tiger Street on the south side of Armstrong Boulevard. There are also several low areas on the <br />site that appear to trap water. The number of existing subcatchments must match the number of <br />