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HomeMy WebLinkAboutR-383812Lij z U LLJ0 ry a_ N 0 0 0 1 qgdr Q W 0 0 ry W I 0 My W Q W Q 0 z LL1 to SE 1/4 SECTION 14., TOWNSHIP 23 N. RANGE 5 E, W.M. THE, ENi?L A VE A T BRIDL E RIDGE /� iv .mi iv -/v.vi f vv v"94- •wrfii � v L-LV./V-V/ I /rG J A 1� ' 12'r /E 370.00 (E) IN ' ' ' ' SEE DETAIL, SHEET C19 8 "CMP S=3 SWNG/NG SEC770OVS Tw.) 31 LF 12" LCPE (P12) , , -- R A. J of waste D.R. STRONG Call 2 Working Days Before You Dig CONSUL TING ENGINEERS 811 ED 4 32 ENGINEERS PLANNERS SURVEYORS Utilities Underground Location CenterI� (ID,MT,ND,UR,WA) IONAL 620 7TH AVENUE, KIRKLAND, WA 98033 O 425.827.3063 F 425.827.2423 1 CITY COMMENTS 11.13.14 MAJ 02.13.15 MAJ SURVEYED: Sis 2 CITY COMMENTS M&J I 05.19.15 MAJ 401.21 DESIGNED: I 3 CITY COMMENTS MAJ 07.13.15 MAJ YL' 4 MYLARS MAJ 07.23.15 MAJ DRAWN: YL.P 24 390.17 387.15 28 400.14 CHECKED,: ,w, NO. REVISION BY DATE APPR 1�1AJ APPROVED: MAJ SCALE: AS NOTED ONE INCH IF AT FULL SCALE 1 IF NOT ONE INCH SCALE ACCORDINGLY VERTICAL: NAVD 1988 HORIZONTAL: NAD 1983/1991 NO TES: 1. ALL BUILDING DOWNSPOUTS, F0077NG DRAINS, AND DRAINS FROM ALL IMPERVIOUS SURFACES SUCH AS PATIOS AND DRIVEWAYS SHALL BE CONNECTED TO THE PERMANENT STORM DRAIN OUTLET AS SHOWN ON THE APPROVED CONSTRUCTION DRAW NGS 1XXX ON FILE WITH CITY OF REN TON. THIS PLAN SHALL BE SUBMITTED WITH THE APPLICATION OF ANY BUILDING PERMIT ALL CONNECTIONS OF THE DRAINS MUST BE CONSTRUCTED AND APPROVED PRIOR TO THE FINAL BUILDING INSPECTION APPROVAL. 2. CONNEC77ON TO 71-1E DOWNSTREAM DRAINAGE SYSTEM SHALL BE VIA PERFORATED PIPE CONNECTION, COMPLIANCE WITH THIS REQUIREMENT WILL BE ADDRESSED IN THE DRAINAGE PLAN SUBMITTED FOR RESIDENTIAL BUILDING PERMIT DRAINAGE REVIEW WHEN APPLICATION IS MADE FOR A SINGLE FAMILY RESIDENTIAL BUILDING PERMIT FOR EACH LOT. J. ALL TRENCH RESTORATION SHALL BE PER THE CURRENT CITY OF RENTON TRENCH RESTORA TION AND STREET OVERLAY DETAIL. 4. PER SECTION 7 REQUIREMENT FOR PA TCHING, 0VERLA Y, 0VERLA Y WIDTHS, 1. TRENCHES (ROAD CROSSINGS) D. IF THE OUTSIDE OF THE TRENCHING IS WITHIN THREE FEET (3) OF ANY ADJACENT LANE LINE, THE ENTIRE ADJACENT TRAVELED LANE AFFECTED WILL BE REPA VED. PRI VA TE DRA INA GE EASEMEN T NO TE: PRIVATE DRAINAGE EASEMENTS TO BE GRANTED IN FRONT 10 -FEET OF LOTS ON WHICH STORM STUBS BENEFITING AN ADJACENT LOT CROSS FINAL LOCATIONS TO BE SHOWN ON FINAL PLAT. LANDSCAPING NOTE 1. TRACT "A" WILL BE OWNED BY HOA AND POND LANDSCAPING OUTSIDE OF THE FENCED AREA SHALL BE MAINTAINED BY 774E HOA. AN EASEMENT OVER AND ACROSS TRACT "A" ALLOWING 774E CITY ACCESS TO INSPECT AND MAINTAIN THE POND AND ALL STORMWA TER FACILITIES IN THE TRACT WILL BE RECORDED. 2. 7HERE SHALL BE A MINIMUM OF 3 -FOOT CLEAR RADIUS AT ALL FIRE HYDRANTS. PRI VA TEL Y MAIN TAINED STORM ELEMEN TS: 1. ALL STORM DRAIN STUB -OUTS TO BE PRI VA TEL Y MAINTAINED. 2. ALL PRI VA 7E" STORM CONNECTIONS TO BE PERFORA 7ED STUB -OUTS VER TI CAL DA TUM: NAVD 88 PER KING COUNTY DEPARTMENT OF PUBLIC WORKS SURVEY BRANCH (KCDP WSB) VERTICAL CONTROL. FL 0 W CON TROL BMP NO TES: 1. 774E DETENTION FACILITY IS DESIGNED TO ACCOMMODATE IMPERVIOUS AREA EQUAL TO 4,000 S.F. PER L 0 T. 1400 S.F. OF ROOF AREA ON EACH LO WILL BE ROUTED TO SPLASH BLOCKS, THUS UTILIZING BASIC DISPERSION TO ACCOMMODATE FLOW CONTROL BMP REQUIREMENTS. BASIC DISPERSION RESULTS IN A FLOW CONTROL SIZING CREDIT OF 50X THUS INCREASING THE ACTUAL ALLOWABLE BUILD -OUT IMPERVIOUS AREA BY 700 S.F. (50% OF 1400 S.F.). SPLASH BLOCKS REQUIRE A MINIMUM VEGETATED FLOWPA TH OF AT LEAST 50 FEET. IF A 50 -FOOT FLOWPATH IS NOT AVAILABLE ON A GIVEN LOT, THEN A 20 -FOOT GRAVEL FILLED TRENCH SHALL BE UTILIZED FOR BASIC DISPERSION WITH A MINIMUM 25 -FOOT VEGETATED FLOWPA 774. 2. BASIC DISPERSION, AND PERFORA 7ED PIPE CONNECTION BMP HAS BEEN UTILIZED FOR THIS PLAT. J. FLOW CONTROL BMPS CONSTRUCTED ON EACH L 0 T SHALL BE OPERATED, MAINTAINED AND KEPT IN GOOD REPAIR BY EACH LOT OWNER. ROAD TAPER CAL CULA TION = L W = WIDTH = 10.78 FEET S = SPEED (MPH) = 25 MPH L = TAPER LENGTH = 112 LF PRI VA TE CB SCHEDULE LOT# RIM 1E 1 401.12 398.65 7 407.10 404.50 9 401.21 398.71 11 390.54 388.00 15 391.26 388.25 18 382.38 379.40 21 383.06 379.50 24 390.17 387.15 28 400.14 397.00 31 395.08 391.40 LOT RUNOFF NOTE: RUNOFF BETWEEN ADJACENT LOTS TO BE HANDLED DURING INDIVIDUAL BUILDING PERMI TS. NORTH GRAPHIC SCALE 0 20 40 80 1 INCH = 40 FT. 383812 RECOMMENDED FOR APPOVAL �"E t CITY OF THE ENCLAVE AT BRIDLE RIDGE FIEL 10.03.14 R E N TO N ROAD AND STOFM DRAINA� GE PLAN NO: Planning/Building/Public Works Dept. U14005368 [C12 E"' 12 °^Z9 DRS PROJECT N0. 13117 A- N N NNIAIA Date:7j(_z'1[tE <4 > Date:BY:� BY: Date: BY: Date: �"E t CITY OF THE ENCLAVE AT BRIDLE RIDGE FIEL 10.03.14 R E N TO N ROAD AND STOFM DRAINA� GE PLAN NO: Planning/Building/Public Works Dept. U14005368 [C12 E"' 12 °^Z9 DRS PROJECT N0. 13117 A- N N NNIAIA 0 w 000 rn � n � C m >rn m i I cn n C3 o m o > L <4 > .- _ 7: D C m m n ' D 0 w 000 rn � n � C m >rn m i I cn n C3 o m o >