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Ms. Katie Larsen <br />08/05/2020 <br />Page 6 <br />.I/S7:tl��IR1�fG1AlRSStGT.TSS�^.L7:�TRSriT!�LLiLfiZ7:T.i�iYir.. <br />-., .Hill <br />. ■- ■ <br />�e�aai�nr.��a��rr.�er�rr.*rlrzs�nssr.*s�sr_�rr.�. . <br />13. Sheet C1.40 shnwc; thrpp d'ffPrPnt 01 lt'Ptr, di GhaFgmRg eff site. These outlets appear to <br />be: 1 \ c+.,rrn sewer outlet from pond, 71 draintile for pond, Rd groundwater draintile <br />system. The outlet must be limited to one pipe disGharge. DraiRtile Must toe We st0rFn <br />sewer +let <br />A IA 7/11/2020: THE ELEVATION OF THE DRAINITII E INVERT IS LOWER WER THAN <br />THE OUTLET ET CI CVATIONI INICIDFE TYC OC_S NO DI ANI C_HANI(_CC MADE <br />Ok. Note that if there are excessive erosion issues or other problems once <br />constructed, the issue must be addressed with a new design. <br />17. SUB SLAB DRAINAGE SYSTEM <br />a. Provide invert elevation for tie in locations at storm sewer manholes. <br />AJA 7/11/2020: TIE-IN LOCATION ADDED. REFER TO SHEET C1.45. <br />b. Provide invert elevation, slope, material, and size of pipe. <br />REFER TO BRAUN SSD-1 SUB -SLAB DRAINAGE SYSTEM DRAWING <br />c. Provide a construction detail for draintile installation. <br />REFER TO BRAUN SSD-1 SUB -SLAB DRAINAGE SYSTEM DRAWING <br />d. Include linework for this system on the storm sewer sheet so it can be compared <br />with the other storm system management designs. <br />This system is referred to as the groundwater building mitigation system <br />underslab draintile system in the stormwater narrative. The details in b-d <br />above are not yet available, but shall be provided to the City for review prior to <br />construction. <br />Lyngblomsten Preliminary Plat Engineering Review <br />