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3UH.~0.~0~ ~:58PM <br /> <br />M0.781 <br /> <br />10. <br /> <br />12. <br /> <br />13. <br /> <br />14. <br /> <br />t5. <br /> <br />16, <br /> <br />Inverts are mislabeled for CBMH-124A, Southeast invert elevation does not <br />agree with pipe grade. : <br /> <br />Invert elevations are mislabeled!for CEIMH-124D, <br />Catchbasins which are not located on a lot line may conflict with future <br />driveways. Catchbasins shall either be relocated or a different casting will be <br />required, <br /> <br />Horizontal curve on Xkimo Streelt NW at station 29+79 does not meet a 30 <br />mph design speed, <br /> <br />Vertical curves shall meet a 30 ~ph design speed. <br /> <br />tt appears that STMH-123A coul;d be eliminated, <br /> <br />Right-of-Way shown on the eastI side of Yakima Court North at the cul-de-sac <br />provides less than 4' between pr, oposed curb and property line for minor <br />utilities. Provide additional Right-of-Way on Lot 3, Block 3, <br /> <br />STORM SEWER DESIGN ; <br />We are in the process of reviewing the storm sewer design, A complete storm sewer <br />design review will be forthcoming upon redetving the following items: <br /> <br />17. <br /> <br />18, <br /> <br />19. <br /> <br />20, <br /> <br />In several areas the storm sewei connects to backyard catchbasins, These <br />pipes need to consider the hydra;ulic grade line for the 100-year storm event <br />to set the flood elevation to ensure homes are protected. <br /> <br /> I <br />Inlet spread - calculations shall be provided for each structure. Proposed <br />street spread must be no greater' than the allowable street spread. Structures <br />may be evaluated from more tha~n one direction to meet the allowable street <br />spread If the combined fl°w is no greater than the casting capacity, . <br /> <br />Verify that that 0,8 diameter poirSts fall across all manholes is provided. <br /> <br />Submit Highlands at River Park 3ra Addition hydrology and hydraulic <br />calculations for review to ensure~that the proposed storm sewer in the 2Cd <br />Addition is adequately sized for future flows. <br /> <br />FINAL PLAT <br /> <br /> 21, Review drainage and utility ease'ments to ensure all drainage facilities and <br /> areas below the 100-year flood 6]evation are contained (including backyard <br /> catchbasin areas). <br /> <br />-142- <br /> <br />Page 2 of 3 'i <br />\~HaOl\Shared Docs\MunicipaI~ARAMSEY~2180\FLZ~.lS0r2ND ADD.RVWI.doc <br /> <br />I~II Hakanson <br /> Anderson <br /> Assoc., Inc. <br /> <br /> <br />