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HomeMy WebLinkAboutEX_02_P_Civil_Plans_090123VICINITY MAPNE 10th St.I - 405NE 12th St.NE Sunset Blvd.Hoquiam Ave NE Duvall Ave NE Union Ave NE NE 4th St.SITECover Sheet Plan Enclave Preliminary 4 - Lot Short Plat S.WAHHINGASIADEE N R36034SIETNEERDGI NROTNZ A ET EROSSIREFEPS M TA GOOFDWG Date:STAMP IS NOT VALIDUNLESS SIGNED AND DATEDDate:STAMP IS NOT VALIDUNLESS SIGNED AND DATEDJob Number:Sheet No.NALPlan Plotted For :Revisions ByNo.Date OFPACIFIC LAND ENGINEERING, INC. AND / OR THE ENDORSING ENGINEER ARE NOT RESPONSIBLE FOR ANY UNAUTHORIZED REPRODUCTION, MODIFICATION AND / OR CHANGES TO INFORMATION CONTAINED IN THIS DRAWING / PLAN SHEET. THE DESIGN CONCEPT(S) SHOWN HEREON ARE THE PROPERTY OF PACIFIC LAND ENGINEERING, INC. THEY MAY NOT BE USED OR COPIED IN WHOLE OR IN PART WITHOUT THE WRITTEN CONSENT OF PACIFIC LAND ENGINEERING, INC. AND THE ENDORSING ENGINEER. Engineering Pacific Land Civil Engineering . Development Services . Land Use Consulting Permit Expediting Services . Inspection Services Bellevue, WA - www.pacificlandwa.com info@pacificlandwa.com . (425) 615 - 6160 Enclave Preliminary4 - Lot Short PlatProject OwnersMr. Vijay Kakubal and Mr. Ramesh VudathuVK Ventures LLC3712 77th Ave SEMercer Island, WA 98040SHEETS INDEXC - 1.0Cover Sheet Plan.C - 2.0Existing Site Conditions Plan.C - 3.0TESC and Trees Retention Plan.C - 4.0Developed Site Conditions Plan.C - 5.0Preliminary Grading, Drainage / Utilities Plan.20210820 - PLE - 2121C - 5.0H L RC F0RUSEBRLA OI4ODY48 GUEO8-4250-55 5 Before you digCallKnow what'sBelow09 / 01 / 202309 / 01 / 2023Initial SubmittalSW 1/4, NE 1/4, SEC. 10, T 23 N, R. 5 E, W.M.C - 1.0 Std. 75' WetlandBuffer LineStd. 75' WetlandBuffer LineStd. 75' WetlandBuffer LineExisting Critical AreaTRACT - AArea = 31,127.18 s.f.Tree#Tree DBHDrip LineSpeciesCondition81312"18'Red AlderFair81414"19'Red AlderFair81216"19'Red AlderPoor92015"17'Black WillowFair86313"16'Black WillowFair98012"17'Douglas firFair99214"16'Douglas firFair96915"17'Douglas firFair330710"12'KatsuraFair330812"13'KatsuraFair81111"16'Red AlderPoor81014"17'Red AlderPoor91913"21'Black WillowFair85215"18'Black WillowFair81716"17'Douglas firFair96517"19'Douglas firFair81816"18'Douglas firFair99314"18'Douglas firFair96416"16'Douglas firFair87817"17'Douglas firFair99018"19'Douglas firFair82513"14'Douglas firFair98712"14'Douglas firFair82614"15'Douglas firFair98417"20'Douglas firFair93513"16'Black WillowFair111614"17'Red PineFair111415"17'Red PineFair330910"13'Shore PineFair98314"16'Douglas firFair97913"15'Douglas firFair87014"16'Black WillowPoor84917"18'Black WillowFair94015"16'Black WillowFair93918"19'Black WillowFair97717"22'Douglas firFair98117"19'Douglas firFair91214"16'Black WillowFair111316"19'Red PineFair94622"32'Black CottonwoodFair91721"22'Black WillowFair96817"21'Douglas firFair97815"19'Douglas firFair98218"20'Douglas firFair87921"19'Douglas firFair98517"19'Douglas firFair93417"19'Black WillowFair90917"19'Black WillowFair91614"15'Black WillowFair97121"19'Douglas firFair97219"17'Douglas firFair97020"19'Douglas firFair87621"22'Black WillowFair97522"24'Douglas firFair88019"18'Douglas firFair85913"16'Douglas firFair93121"26'Black WillowFair85328"31'Black WillowFair97421"22'Black WillowFair99615"16'Douglas firFair98917"16'Douglas firFair88322"29'Douglas firFair98823"24'Douglas firFair87728"36'Black WillowFair88226"28'Douglas firFair96327"24'Douglas firFair99125"26'Douglas firFair98624"23'Douglas firFair90834"34'Black WillowFair86240"47'Black WillowFair99431"22'Douglas firFair82732"28'Douglas firFair93041"37'Black WillowFair77246"41'Douglas firFair30399"11'KatsuraFair33128"9'KatsuraFair33148"9'KatsuraFair331310"9'KatsuraFair33168"9'KatsuraFair331713"19'Black WalnutFairExisting Site Conditions PlanS.WAHHINGASIADEE N R36034SIETNEERDGI NROTNZ A ET EROSSIREFEPS M TA GOOFDWG Date:STAMP IS NOT VALIDUNLESS SIGNED AND DATEDDate:STAMP IS NOT VALIDUNLESS SIGNED AND DATEDJob Number:Sheet No.NALPlan Plotted For :Revisions ByNo.Date OFPACIFIC LAND ENGINEERING, INC. AND / OR THE ENDORSING ENGINEER ARE NOT RESPONSIBLE FOR ANY UNAUTHORIZED REPRODUCTION, MODIFICATION AND / OR CHANGES TO INFORMATION CONTAINED IN THIS DRAWING / PLAN SHEET. THE DESIGN CONCEPT(S) SHOWN HEREON ARE THE PROPERTY OF PACIFIC LAND ENGINEERING, INC. THEY MAY NOT BE USED OR COPIED IN WHOLE OR IN PART WITHOUT THE WRITTEN CONSENT OF PACIFIC LAND ENGINEERING, INC. AND THE ENDORSING ENGINEER. Engineering Pacific Land Civil Engineering . Development Services . Land Use Consulting Permit Expediting Services . Inspection Services Bellevue, WA - www.pacificlandwa.com info@pacificlandwa.com . (425) 615 - 6160 Enclave Preliminary 4 - Lot Short Plat20210820 - PLE - 2121C - 5.0C - 2.0TYEESURVEYORSH L RC F0RUSEBRLA OI4O DY48 GUEO8-4250-555 Before you digCallKnow what'sBelowStandard 75' Wetland Buffer Line.Existing Tract A Boundary.09 / 01 / 202309 / 01 / 2023Initial SubmittalExisting 5' Concrete Side Walk.Existing Vertical Curb.Existing Fog LineEdge of Travel Lane.Existing Pavement. Existing Critical AreaTRACT - AArea = 31,127.18 s.f.Tree#Tree DBHDrip LineSpeciesCondition81312"18'Red AlderFair81414"19'Red AlderFair81216"19'Red AlderPoor92015"17'Black WillowFair86313"16'Black WillowFair98012"17'Douglas firFair99214"16'Douglas firFair96915"17'Douglas firFair330710"12'KatsuraFair330812"13'KatsuraFair81111"16'Red AlderPoor81014"17'Red AlderPoor91913"21'Black WillowFair85215"18'Black WillowFair81716"17'Douglas firFair96517"19'Douglas firFair81816"18'Douglas firFair99314"18'Douglas firFair96416"16'Douglas firFair87817"17'Douglas firFair99018"19'Douglas firFair82513"14'Douglas firFair98712"14'Douglas firFair82614"15'Douglas firFair98417"20'Douglas firFair93513"16'Black WillowFair111614"17'Red PineFair111415"17'Red PineFair330910"13'Shore PineFair98314"16'Douglas firFair97913"15'Douglas firFair87014"16'Black WillowPoor84917"18'Black WillowFair94015"16'Black WillowFair93918"19'Black WillowFair97717"22'Douglas firFair98117"19'Douglas firFair91214"16'Black WillowFair111316"19'Red PineFair94622"32'Black CottonwoodFair91721"22'Black WillowFair96817"21'Douglas firFair97815"19'Douglas firFair98218"20'Douglas firFair87921"19'Douglas firFair98517"19'Douglas firFair93417"19'Black WillowFair90917"19'Black WillowFair91614"15'Black WillowFair97121"19'Douglas firFair97219"17'Douglas firFair97020"19'Douglas firFair87621"22'Black WillowFair97522"24'Douglas firFair88019"18'Douglas firFair85913"16'Douglas firFair93121"26'Black WillowFair85328"31'Black WillowFair97421"22'Black WillowFair99615"16'Douglas firFair98917"16'Douglas firFair88322"29'Douglas firFair98823"24'Douglas firFair87728"36'Black WillowFair88226"28'Douglas firFair96327"24'Douglas firFair99125"26'Douglas firFair98624"23'Douglas firFair90834"34'Black WillowFair86240"47'Black WillowFair99431"22'Douglas firFair82732"28'Douglas firFair93041"37'Black WillowFair77246"41'Douglas firFair30399"11'KatsuraFair33128"9'KatsuraFair33148"9'KatsuraFair331310"9'KatsuraFair33168"9'KatsuraFair331713"19'Black WalnutFairTemporary Erosion and Sedimentation Control (TESC) and Tree Retention PlanS.WAHHINGASIADEE N R36034SIETNEERDGI NROTNZ A ET EROSSIREFEPS M TA GOOFDWG Date:STAMP IS NOT VALIDUNLESS SIGNED AND DATEDDate:STAMP IS NOT VALIDUNLESS SIGNED AND DATEDJob Number:Sheet No.NALPlan Plotted For :Revisions ByNo.Date OFPACIFIC LAND ENGINEERING, INC. AND / OR THE ENDORSING ENGINEER ARE NOT RESPONSIBLE FOR ANY UNAUTHORIZED REPRODUCTION, MODIFICATION AND / OR CHANGES TO INFORMATION CONTAINED IN THIS DRAWING / PLAN SHEET. THE DESIGN CONCEPT(S) SHOWN HEREON ARE THE PROPERTY OF PACIFIC LAND ENGINEERING, INC. THEY MAY NOT BE USED OR COPIED IN WHOLE OR IN PART WITHOUT THE WRITTEN CONSENT OF PACIFIC LAND ENGINEERING, INC. AND THE ENDORSING ENGINEER. Engineering Pacific Land Civil Engineering . Development Services . Land Use Consulting Permit Expediting Services . Inspection Services Bellevue, WA - www.pacificlandwa.com info@pacificlandwa.com . (425) 615 - 6160 Enclave Preliminary 4 - Lot Short Plat20210820 - PLE - 2121C - 5.0C - 3.010'Drip LineCHAINLINKFence.Tree Protection DetailN.T.S.SignificantExisting TreeVariesSee Plan6'Min.Drip LineVARIESSee Plan1.5" Driven Steel Posts@ Max. 10' O.C.Warning - TreeProtection AreaNOTES:1. MINIMUM SIX (6) FOOT HIGH TEMPORARY CHAINLINK FENCE SHALL BE PLACEDAT DISTANCE OF GENERALLY TWO (2) FEET OUTSIDE THE DRIP LINE OF THESIGNIFICANT TREE(S). FENCE SHALL COMPLETELY ENCIRCLE TREE(S). INSTALLPOSTS USING 1.5-INCH STEEL POSTS DRIVEN 2-FEET INTO THE GROUND.2. MOVABLE BARRIERS OF CHAIN LINK FENCING SECURED TO THE CEMENT BLOCKSMAY BE SUBSTITUTED FOR “FIXED” FENCING IF THE PROJECT ARBORIST AND CITYSTAFF AGREE THAT THE FENCING WILL HAVE TO BE MOVED TO ACCOMMODATECERTAIN PHASES OF THE CONSTRUCTION. MODIFICATIONS TO FENCINGMATERIAL AND LOCATION MUST BE APPROVED BY PLANNING OFFICIAL ANDPROJECT ARBORIST.3. THE FENCING CAN BE MOVED WITHIN THE DRIP LINE OF THE TREE IF AUTHORIZEDBY THE CLEARING AND GRADING INSPECTOR AND THE PROJECT ARBORIST BUTNOT CLOSER THAN 2' FROM THE TRUNK OF THE TREE. ONLY EXCAVATION BYHAND OR COMPRESSED AIR SHALL BE ALLOWED WITHIN THE DRIP LINE OF THETREES. MACHINE TRENCHING SHALL BE ALLOWED.4. TREATMENT OF ROOTS EXPOSED DURING CONSTRUCTION: FOR ROOTS OVERTWO (2) INCH IN DIAMETER DAMAGED DURING CONSTRUCTION, MAKE A CLEANSTRAIGHT CUT TO REMOVE DAMAGED PORTION OF THE ROOT, ALL EXPOSEDROOTS SHALL BE TEMPORARY COVERED WITH DAMP BURLAP TO PREVENTDRYING AND COVERED WITH SOIL AS SOON AS POSSIBLE.5. NO STOCKING OF MATERIALS, VEHICULAR TRAFFIC, OR STORAGE OF EQUIPMENTOR MACHINERY SHALL BE ALLOWED WITHIN THE LIMIT OF THE FENCING. WORKWITHIN PROTECTION FENCE SHALL BE DONE MANUALLY UNDER THE SUPERVISIONOF THE ON-SITE ARBORIST AND WITH PRIOR APPROVAL BY THE CITY PLANNINGOFFICIAL.6. FENCING SIGNAGE AS DETAILED ABOVE MUST BE POSTED EVERY FIFTEEN ALONGTHE FENCE. THE SIGN SHALL BE MINIMUM OF 8.5-INCHES BY 11-INCHES.H L RC F0RUSEBRLA OI4O DY48 GUEO8-4250-55 5 Before you digCallKnow what'sBelowExisting Tree To Be Cut09 / 01 / 202309 / 01 / 2023Initial Submittal Prop. 56.25' ReducedWetland Buffer LineProp. 56.25' ReducedWetland Buffer LineR = 35'N88° 16' 09.02"W529.03'New Critical Area Tract - AA = 54,508.0 S.F.New Critical AreaTract - AA = 54,508.0 S.F.15' BSBL 20' BSBL5' BSBL5' BSBL5' BSBL5' BSBL 5' BSBL 5' BSBL 5' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBLLOT (1)A= 6,169.40 S.F.LOT (2)A= 6,228.50 S.F.LOT (3)A= 6,228.50 S.F.LOT (4)A= 6,228.50 S.F.Building AreaA = 2,536.77 S.F.Building AreaA = 3,018.66 S.F.Building AreaA = 3,018.66 S.F.Building AreaA = 3,018.66 S.F.Drainage Tract - B9,207.34 S.F.S00° 06' 28.23"W 199.61' S00° 06' 28.23"W 93.00'S88° 16' 09.02"E30.00'S00° 08' 44.28"W 111.01' N00° 06' 28.23"E 93.00'S88° 16' 09.02"E67.00'N88° 16' 09.02"W67.00'N00° 06' 28.23"E93.00'S88° 16' 09.02"E67.00'S88° 16' 09.02"E67.00'N88° 16' 09.02"W67.00'N00° 06' 28.23"E93.00'S88° 16' 09.02"E42.17'L=39.97'R=25.00'D=091.61°N00° 07' 14.23"E67.32'N88° 18' 02.35"W67.90'N00° 07' 14.23"E204.62'L=38.58'R=25.00'D=088.42°N88° 18' 06.00"W100.33'S50° 47' 00.00"W13.60'S37° 23' 17.00"W23.17'S 5 6 ° 2 4 ' 3 5 . 0 0 "W 25 .25 'S86° 14' 13.00"W19.10'S77° 27' 53.00"W16.08'N87° 16' 36.00"W21.24'N84° 07' 29.00"W19.17'S75° 15' 35.00"W28.82'S86° 33' 53.00"W25.82'S00° 06' 28.23"W 65.41'N87° 37' 28.71"E57.97'S88° 16' 09.02"E42.17'S88° 16' 09.02"E67.00'N88° 16' 09.02"W67.00'10' Private DrainageEasement.Ex. Paved Road Section Ex. 60.0' ROWMin 1.0' SawCut Line Total 62.0' ROWROW C.L. West ROW East ROW / New Prop Line2%3" HMA3" Comp. Crush SurfacingTop Course (CSTC)12" Comp. Subgrade95% MDD2%2:1 MAX.2:1 MAX. Ex. 60' ROWROW C.L. North Prop Line / South ROW 2%2:1 MAX.2:1 MAX.Ex. 5'PlanterEx. 5'SWNorth ROWEx. 32' Paved Road30'Ex. Curb(TYP)Developed Site Conditions PlanS.WAHHINGASIADEE N R36034SIETNEERDGI NROTNZ A ET EROSSIREFEPS M TA GOOFDWG Date:STAMP IS NOT VALIDUNLESS SIGNED AND DATEDDate:STAMP IS NOT VALIDUNLESS SIGNED AND DATEDJob Number:Sheet No.NALPlan Plotted For :Revisions ByNo.Date OFPACIFIC LAND ENGINEERING, INC. AND / OR THE ENDORSING ENGINEER ARE NOT RESPONSIBLE FOR ANY UNAUTHORIZED REPRODUCTION, MODIFICATION AND / OR CHANGES TO INFORMATION CONTAINED IN THIS DRAWING / PLAN SHEET. THE DESIGN CONCEPT(S) SHOWN HEREON ARE THE PROPERTY OF PACIFIC LAND ENGINEERING, INC. THEY MAY NOT BE USED OR COPIED IN WHOLE OR IN PART WITHOUT THE WRITTEN CONSENT OF PACIFIC LAND ENGINEERING, INC. AND THE ENDORSING ENGINEER. Engineering Pacific Land Civil Engineering . Development Services . Land Use Consulting Permit Expediting Services . Inspection Services Bellevue, WA - www.pacificlandwa.com info@pacificlandwa.com . (425) 615 - 6160 Enclave Preliminary 4 - Lot Short Plat20210820 - PLE - 2121C - 5.0C - 4.0New ADA Ramp WithTruncated Dome Matt.Existing Fire Hydrant.Existing Trail.N.T.S.Hoquiam Ave. NE ImprovementsH L RC F0RUSEBRLA OI4O DY48 GUEO8-4250-55 5 Before you digCallKnow what'sBelowNew 2' ROW DED. to City of Renton.New Vertical Conc. Curb.0.5' New ROW DED. to City of Renton.New 5.0' Conc. SW.New 8' Planter Stripwith Street Trees.New 0.5' Conc. Curb.New 18.0' Paved Lanes.R - 8 Zoning Requirements:Min. Lot Width:50'Min. Lot Depth:80'Min. Lot Area:5,000 s.f.Max. Bldg. Coverage:50%Max. Impervious Surface:65%Front Yard Setback:20'Rear Yard Setback:20'Side Yard Setback Required:5'Property Owners:Mr. Vijay KakubalMr. Ramesh Vudathuof VK Ventures LLCMercer Island, WA 98040(425) 26 - 6962(425) 260 - 2750Kakubal@gmail.comrvudathu@yahoo.comExisting Site Data:Parcel Number:1023059060Parcel Address:980 Hoquiam Ave NERenton, WA 98059Zoning:R8Total Parcel Area:Per King County Assessor's Records = 89,298.0 = 2.05 acre.Per Survey = 89,218.31 s.f. = 2.048 acre.Existing Critical Area Tract - A = 31,127.18 s.f.Project Surveyor:Tim Griffin, PLSTyee Surveyorstim@tyeesurveyors.com(206) 525 - 3660Project Contact:Mazen Haidar, PEPacific Land Engineeringmazen@pacificlandwa.com(206) 615 - 6160Fire DistrictRenton Fire Authority18002 108th Ave SERenton, WA 98055(425) 276 - 9500School DistrictRenton School District300 SE 7th StreetRenton, WA 98057(425) 204 - 2300Water PurveyorKing County Water District # 9015606 SE 18th StreetRenton, WA 98059(425) 255 - 9600Centurylink for Telephone2800 Southcenter MallTukwila, WA 98188(206) 246-8225PSE for Power and Gas Source1101 Lake Washington Blvd NRenton, WA 98056(888) 225 - 5773Project Engineer:Mazen Haidar, PEPacific Land Engineeringmazen@pacificlandwa.com(206) 615 - 6160R- 8 Density Calculations:Required Density,Maximum Density: 8 du / net acre.Minimum Density: 4 du / net acre.Proposed Density,Net Acreage:1.3243 acre.Net Density:3.7756 du / acre.Dwelling Units:4New 16' Wide Conc. DWYwidens out to 30' wide atgarage facadeCOVERAGE CALCULATIONS:Proposed Lot (1) Total Area = 6,169.40 s.f.Building Coverage,Max. Roof Area = 2,536.77 s.f.Building Coverage = 2,536.77 s.f. / 6,169.40 s.f. = 41.1 %41.1 % < 50 % Max. OKImpervious Surface Area Coverage,Max. Roof Area = 2,536.77 s.f.Max. Driveway Area = 475.0 s.f.Impervious Surface = (2,536.77 s.f. + 475.0 s.f.) / 5,647.03 s.f. = 48.8 %48.8 % < 65 % Max. OKPervious Surface Area Coverage,Total Lot Area = 6,169.4 s.f.Total Impervious Surface Area = 3,011.77 s.f.Total Pervious Surface Area = 6,169.4 s.f. - 3,011.77 s.f. = 3,157.63 s.f.Pervious Area Coverage = 3,157.63 s.f. / 6,169.4 s.f. = 51.2 %Proposed Lot (2) Total Area = 6,228.50 s.f.Building Coverage,Max. Roof Area = 3,018.66 s.f.Building Coverage = 3,018.66 s.f. / 6,228.50 s.f. = 48.5 %48.5 % < 50 % Max. OKImpervious Surface Area Coverage,Max. Roof Area = 3,018.66 s.f.Max. Driveway Area = 475.0 s.f.Impervious Surface = (3,018.66 s.f. + 475.0 s.f.) / 6,228.5 s.f. = 56.1 %56.1 % < 65 % Max. OKPervious Surface Area Coverage,Total Lot Area = 6,228.50 s.f.Total Impervious Surface Area = 3,493.66 s.f.Total Pervious Surface Area = 6,228.5 s.f. - 3,493.66 s.f. = 2,734.84 s.f.Pervious Area Coverage = 2,734.84 s.f. / 6,228.50 s.f. = 49.30 %Cut/Fill SummaryNameSurface3TotalsCut Factor1.000Fill Factor1.00031,500.0 Sq. Ft.Cut1,167.0 Cu. Yd.Fill23,550.0 Sq. Ft.Net294.0 Cu. Yd.<Fill>873.0 Cu. Yd.31,500.0 Sq. Ft.1.167.0 Cu. Yd.23,550.0 Sq. Ft.294.0 Cu. Yd.<Fill>873.0 Cu. Yd.Proposed New Critical Areas Tract - AProposed Critical Areas Tract - A will includeexisting Category III Wetland Area + Area ofReduced Wetland Buffer of 56.25' = 54,508.0 s.f.09 / 01 / 202309 / 01 / 2023Initial SubmittalExisting Vertical Curb.Existing Fog LineEdge of Travel Lane.Existing Edge of Pavement.N.T.S.NE 10th Street ImprovementsExisting 5' Concrete Side Walk.Sewer PurveyorCity of Renton1055 S. Grady WayRenton, WA 98057(425) 430 - 685210' Wide Landscape Strip.Proposed Lot (3) Total Area = 6,228.50 s.f.Building Coverage,Max. Roof Area = 3,018.66 s.f.Building Coverage = 3,018.66 s.f. / 6,228.50 s.f. = 48.5 %48.5 % < 50 % Max. OKImpervious Surface Area Coverage,Max. Roof Area = 3,018.66 s.f.Max. Driveway Area = 475.0 s.f.Impervious Surface = (3,018.66 s.f. + 475.0 s.f.) / 6,228.5 s.f. = 56.1 %56.1 % < 65 % Max. OKPervious Surface Area Coverage,Total Lot Area = 6,228.50 s.f.Total Impervious Surface Area = 3,493.66 s.f.Total Pervious Surface Area = 6,228.5 s.f. - 3,493.66 s.f. = 2,734.84 s.f.Pervious Area Coverage = 2,734.84 s.f. / 6,228.50 s.f. = 49.30 %Proposed Lot (4) Total Area = 6,228.50 s.f.Building Coverage,Max. Roof Area = 3,018.66 s.f.Building Coverage = 3,018.66 s.f. / 6,228.50 s.f. = 48.5 %48.5 % < 50 % Max. OKImpervious Surface Area Coverage,Max. Roof Area = 3,018.66 s.f.Max. Driveway Area = 475.0 s.f.Impervious Surface = (3,018.66 s.f. + 475.0 s.f.) / 6,228.5 s.f. = 56.1 %56.1 % < 65 % Max. OKPervious Surface Area Coverage,Total Lot Area = 6,228.50 s.f.Total Impervious Surface Area = 3,493.66 s.f.Total Pervious Surface Area = 6,228.5 s.f. - 3,493.66 s.f. = 2,734.84 s.f.Pervious Area Coverage = 2,734.84 s.f. / 6,228.50 s.f. = 49.30 %Proposed New Drainage Areas Tract - BProposed Drainage Tract - B Area = 9,207.34 s.f. Prop. 56.25' ReducedWetland Buffer LineProp. 56.25' ReducedWetland Buffer LineR = 35'N88° 16' 09.02"W529.03'New Critical Area Tract - AA = 54,508.0 S.F.New Critical AreaTract - AA = 54,508.0 S.F.15' BSBL 20' BSBL5' BSBL5' BSBL5' BSBL 5' BSBL 5' BSBL 5' BSBL 5' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL470470470 468468468 LOT (1)A= 6,169.40 S.F.LOT (2)A= 6,228.50 S.F.LOT (3)A= 6,228.50 S.F.LOT (4)A= 6,228.50 S.F.Building AreaA = 2,536.77 S.F.Building AreaA = 3,018.66 S.F.Building AreaA = 3,018.66 S.F.Building AreaA = 3,018.66 S.F.FFE = 472FFE = 472FFE = 472FFE = 472466468468 468 466 466 468464466468468 466 470 470 464470 470S00° 06' 28.23"W 199.61' S00° 06' 28.23"W 93.00'S88° 16' 09.02"E30.00'S00° 08' 44.28"W 111.01' N00° 06' 28.23"E 93.00'S88° 16' 09.02"E67.00'N88° 16' 09.02"W67.00'N00° 06' 28.23"E 93.00'S88° 16' 09.02"E67.00'S88° 16' 09.02"E67.00'N88° 16' 09.02"W67.00'N00° 06' 28.23"E93.00'S88° 16' 09.02"E42.17'L=39.97'R=25.00'D=091.61°N00° 07' 14.23"E67.32'N88° 18' 02.35"W67.90'N00° 07' 14.23"E204.62'L=38.58'R=25.00'D=088.42°N88° 18' 06.00"W100.33'S50° 47' 00. 0 0 "W 13.60'S37° 23' 17.00"W23.17'S 5 6 ° 2 4 ' 3 5 . 0 0 "W 25 .25 'S86° 14' 13.00"W19.10'S77° 27' 53.00"W16.08'N87° 16' 36.00"W21.24'N84° 07' 29.00"W19.17'S75° 15' 35.00"W28.82'S86° 33' 53.00"W25.82'S00° 06' 28.23"W 65.41'N87° 37' 28.71"E57.97'S88° 16' 09.02"E42.17'S88° 16' 09.02"E67.00'464 12.0'12.0'12.0'12" CMP @I.E.= 462.30N88° 16' 09.02"W67.00'210' ~ 12" PVC @ 2%Control Structure48" Ø Solid LidRim = 471.0I.E. = 462.5012" CMP SESD Inlet48" Ø Solid LidRim = 471.0I.E.= 462.5012" PVC NWCB # 1 - TYPE - 1W / Solid LidRim = 467.0I.E.= 462.7512" PVC W & SEI.E.= 466.710' Private DrainageEasement.Concrete Vault82' Long X27' Wide X7' DeepSee DetailsHereonOrifice No. 1Elev. @ 460.50'Ø = 0.64"Out FlowOrifice No. 3Elev. @ 467.25'Ø = 0.7"Orifice No. 2Elev. @ 466.25'Ø = 1"In FlowFinish Grade@ 471.0 (TYP.)12" CMP @I.E.=462.506.0' - 12" ØCMP Riser12" CMP @I.E.= 462.50Rim = 471.0Rim = 471.0GalvanizedLadder Steps(TYP.)Pipe Strap BoltedTo Wall (TYP.)Out Flow12" CMP @I.E.=462.5048" M.H. AccessWith Locking Lid48" M.H. AccessWith Locking Lid12" VentOpening12" VentOpening81' X 27' X 7'Concrete Detention Vault With Control StructureN.T.S.6.0' - 12" RiserControl StructureSection ViewPlan ViewCeiling Elev.@469.0Bottom Elev.@462.0100 -Yr. Elev. @ 468.5010 -Yr. Elev. @ 467.252 -Yr. Elev. @ 464.189In FlowExistingGrade20' ~ 12" CMP@ 1.0%2 : 112" CMP @I.E.= 462.3012" CMP @I.E. = 462.50Preliminary Grading, Drainage / Utilities PlanS.WAHHINGASIADEE N R36034SIETNEERDGI NROTNZ A ET EROSSIREFEPS M TA GOOFDWG Date:STAMP IS NOT VALIDUNLESS SIGNED AND DATEDDate:STAMP IS NOT VALIDUNLESS SIGNED AND DATEDJob Number:Sheet No.NALPlan Plotted For :Revisions ByNo.Date OFPACIFIC LAND ENGINEERING, INC. AND / OR THE ENDORSING ENGINEER ARE NOT RESPONSIBLE FOR ANY UNAUTHORIZED REPRODUCTION, MODIFICATION AND / OR CHANGES TO INFORMATION CONTAINED IN THIS DRAWING / PLAN SHEET. THE DESIGN CONCEPT(S) SHOWN HEREON ARE THE PROPERTY OF PACIFIC LAND ENGINEERING, INC. THEY MAY NOT BE USED OR COPIED IN WHOLE OR IN PART WITHOUT THE WRITTEN CONSENT OF PACIFIC LAND ENGINEERING, INC. AND THE ENDORSING ENGINEER. Engineering Pacific Land Civil Engineering . Development Services . Land Use Consulting Permit Expediting Services . Inspection Services Bellevue, WA - www.pacificlandwa.com info@pacificlandwa.com . (425) 615 - 6160 Enclave Preliminary 4 - Lot Short Plat20210820 - PLE - 2121C - 5.0C - 5.0Existing 5' Concrete Side Walk.Existing Vertical Curb.Existing Fog LineEdge of Travel Lane.Existing Edge of Pavement.Existing Fire Hydrant.Existing Trail.Proposed 2' W X 2' D X 50' LFull Dispersion (BMP) Trench for3 Roof Tops @ 2,100 s.f. each forproposed new lots 3, 4, and 5.See Detail Hereon Below.New 2' ROW DED. to City of Renton.New Vertical Conc. Curb.0.5' New ROW DED. to City of Renton.New 5.0' Conc. SW.New 8' Planter Strip.New 0.5' Conc. Curb.New 18.0' Paved Lanes.H L RC F0RUSEBRLA OI4O DY48 GUEO8-4250-55 5 Before you digCallKnow what'sBelowNew ADA Ramp WithTruncated Dome Matt.New 6" Side Sewer.New 1" Water Line.New 1" Water Meter.09 / 01 / 202309 / 01 / 2023Initial SubmittalCut/Fill SummaryNameSurface3TotalsCut Factor1.000Fill Factor1.00049,000.0 Sq. Ft.Cut1,815.0 Cu. Yd.Fill61,300.0 Sq. Ft.Net456.0 Cu. Yd.<Fill>2,271.0 Cu. Yd.49,000.0 Sq. Ft.1.815.0 Cu. Yd.61,300.0 Sq. Ft.456.0 Cu. Yd.<Fill>2,271.0 Cu. Yd.10' Wide Landscape Strip.