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FEB.~,~00~ 3:~OPM H0.50¥ <br /> <br />28. <br /> <br />29. <br /> <br />30. <br /> <br />31, <br /> <br />32. <br /> <br />33. <br /> <br />34. <br /> <br />35. <br /> <br />,'36. <br /> <br />37. <br /> <br />38. <br /> <br />39, <br /> <br />40: <br /> <br />41, <br /> <br />42. <br /> <br />43, <br /> <br />A 5o' minimum radiUs is required for cul-de-sacs. <br /> <br />Check for conflicting invert elevations (example CBMH-65). <br /> <br />Storm sewer to be constructed must be within the first phase as platted or a <br />drainage & utility easement should be provided in Outlot, <br /> <br />Revise vertical curve on Yakima St N.W. for 30 mph design speed at STA <br />57+40. <br /> <br />Proposed invert for FES.-79A is 5.5' below existing ground, This water will <br />back up through the system. Sediment will likely accumulate at end of pipe. <br />Provide grading at FES - 79A. <br /> <br />Verify all pipe grades (ex. CBMH-71-to CEtMH-76). <br /> <br />Verify all CB rim elevations (ex. CBMH-52, CBMH-53, CB-130, CBMH-63, <br />C~BMH-64). <br /> <br />Include horizontal curve information. <br /> <br />Label all radii for Yakima Court South cul-de-sac. <br /> <br />All run-off shall be treated before leaving the site. This is not accomplished on <br />the north end of the Plat. <br /> <br />Qatch-basins which are not located on lot lines may restdct driveway <br />placement on some lots, <br /> <br />Profile calls for 160'- 12" RCP from CBMH-131 to CBMH-132, but scales <br />only 130'. Please clarify. <br /> <br />Storm Sewer Design sheet calls for 15"- PCP from CBMH, 132 to STMH-68, <br />Please revise. <br /> <br />Storm Sewer Design calls for 18" RCP from CBMH-64 to CBMH-65, Please <br />revise. <br /> <br />Design sheet calls for 24" PCP @ 0,50% from CBMH-65 to FES-66. Please <br />revise, <br /> <br />Design calls for 18" RCP from CBMH-61 to CBMH-64, Please revise. <br /> <br /> I <br /> I <br /> i <br /> I <br /> I <br />I <br /> I <br /> I <br /> ! <br />I <br />I <br /> <br />I <br /> <br />Design carls for 12" PCP @ 0.50% from C8-69 to CSMH-70 & from CSMH-70 <br />to CBMH-71. Please revise. <br /> <br />I <br /> <br />-98- <br /> <br />Hakans°n <br />Anderson <br />Assoc.,Inc. <br /> <br />Paee 3 of 7 <br /> <br /> <br />