HomeMy WebLinkAboutP_Civil_Plans_010123VICINITY 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 5 - Lot Short Plat
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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 Preliminary5 - 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
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5 Before you digCallKnow what'sBelow01 / 10 / 202301 / 10 / 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
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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 5 - Lot Short Plat20210820 - PLE - 2121C - 5.0C - 2.0TYEESURVEYORSH
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GUEO8-4250-555 Before you digCallKnow what'sBelowStandard 75' Wetland Buffer Line.Existing Tract A Boundary.01 / 10 / 202301 / 10 / 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
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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 5 - 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
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5 Before you digCallKnow what'sBelowExisting Tree To Be Cut01 / 10 / 202301 / 10 / 2023Initial Submittal
Prop. 56.25' ReducedWetland Buffer LineProp. 56.25' ReducedWetland Buffer LineR = 35'N88° 16' 09.02"W529.03'LOT (1)A = 5,647.03LOT (2)A = 5,491.49LOT (3)A = 5,460.65LOT (4)A = 5,430.33LOT (5)A = 5,490.21L=39.97'R= 25.00'Δ=39.97°Shaded Area is (NGRA)Native Growth Retention AreaA = 43,192.55 S.F.New Critical Area Tract - AA = 61,054.63 S.F.New Critical Area Tract - AA = 61,054.63 S.F.Building AreaA = 2,241.90 S.F.Building AreaA = 2,600.58 S.F.Building AreaA = 2,574.97 S.F.Building AreaA = 2,549.65 S.F.Building AreaA = 2,575.02 S.F.15' BSBL 20' BSBL5' BSBL5' BSBL5' BSBL5' BSBL
5' BSBL
5' BSBL
5' BSBL
5' BSBL
5' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL10'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
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2%2:1 MAX.2:1 MAX.Ex. 5'PlanterEx. 5'SWNorth ROWEx. 32' Paved Road30'Ex. Curb(TYP)Developed Site Conditions PlanS.WAHHINGASIADEE
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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 5 - 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
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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:5New 6" Side Sewer.New 1" Water Line.New 1" Water Meter.New 16' Wide Conc. DWYwidens out to 30' wide atgarage facadeCOVERAGE CALCULATIONS:Proposed Lot (1) Total Area = 5,647.03 s.f.Building Coverage,Max. Roof Area = 2,100.0 s.f.Building Coverage = 2,100 s.f. / 5,647.03 s.f. = 37.2 %37.2 % < 50 % Max. OKImpervious Surface Area Coverage,Max. Roof Area = 2,100.0 s.f.Max. Driveway Area = 475.0 s.f.Impervious Surface = (2,100 s.f. + 475.0 s.f.) / 5,647.03 s.f. = 45.6 %45.6 % < 65 % Max. OKPervious Surface Area Coverage,Total Lot Area = 5,647.03 s.f.Total Impervious Surface Area = 2,575.0 s.f.Total Pervious Surface Area = 5,647.03 s.f. - 2,575.0s.f. = 3,072.03 s.f.Pervious Area Coverage = 3,072.03 s.f. / 5.647.03 s.f. = 54.4 %Proposed Lot (2) Total Area = 5,491.49 s.f.Building Coverage,Max. Roof Area = 2,100.0 s.f.Building Coverage = 2,100 s.f. / 5,491.49 s.f. = 38.2 %38.2 % < 50 % Max. OKImpervious Surface Area Coverage,Max. Roof Area = 2,100.0 s.f.Max. Driveway Area = 475.0 s.f.Impervious Surface = (2,100 s.f. + 475.0 s.f.) / 5,491.49 s.f. = 46.9 %46.9 % < 65 % Max. OKPervious Surface Area Coverage,Total Lot Area = 5,491.49 s.f.Total Impervious Surface Area = 2,575.0 s.f.Total Pervious Surface Area = 5,491.49 s.f. - 2,575.0 s.f. = 2,844.49 s.f.Pervious Area Coverage = 2,844.49 s.f. / 5,491.49 s.f. = 51.8 %Proposed Lot (3) Total Area = 5,460.65 s.f.Building Coverage,Max. Roof Area = 2,100.0 s.f.Building Coverage = 2,100 s.f. / 5,460.65 s.f. = 38.5 %38.5 % < 50 % Max. OKImpervious Surface Area Coverage,Max. Roof Area = 2,100.0 s.f.Max. Driveway Area = 475.0 s.f.Impervious Surface = (2,100 s.f. + 475.0 s.f.) / 5,460.65 s.f. = 47.2 %47.2 % < 65 % Max. OKPervious Surface Area Coverage,Total Lot Area = 5,460.65 s.f.Total Impervious Surface Area = 2,575.0 s.f.Total Pervious Surface Area = 5,460.65 s.f. - 2,575.0 s.f. = 2,885.65 s.f.Pervious Area Coverage = 2,885.65 s.f. / 5,460.65 s.f. = 52.8 %Proposed Lot (4) Total Area = 5,430.33 s.f.Building Coverage,Max. Roof Area = 2,100.0 s.f.Building Coverage = 2,100 s.f. / 5,430.33 s.f. = 38.7 %38.7 % < 50 % Max. OKImpervious Surface Area Coverage,Max. Roof Area = 2,100.0 s.f.Max. Driveway Area = 475.0 s.f.Impervious Surface = (2,100 s.f. + 475.0 s.f.) / 5,430.33 s.f. = 47.4 %47.4 % < 65 % Max. OKPervious Surface Area Coverage,Total Lot Area = 5,430.33 s.f.Total Impervious Surface Area = 2,575.0 s.f.Total Pervious Surface Area = 5,430.33 s.f. - 2,575.0 s.f. = 2,855.33 s.f.Pervious Area Coverage = 2,855.33 s.f. / 5,430.33 s.f. = 52.6 %Proposed Lot (5) Total Area = 5,490.21 s.f.Building Coverage,Max. Roof Area = 2,100.0 s.f.Building Coverage = 2,100 s.f. / 5,490.21 s.f. = 38.2 %38.2 % < 50 % Max. OKImpervious Surface Area Coverage,Max. Roof Area = 2,100.0 s.f.Max. Driveway Area = 475.0 s.f.Impervious Surface = (2,100 s.f. + 475.0 s.f.) / 5,490.21 s.f. = 46.9 %46.9 % < 65 % Max. OKPervious Surface Area Coverage,Total Lot Area = 5,490.21 s.f.Total Impervious Surface Area = 2,574.0 s.f.Total Pervious Surface Area = 5,490.21 s.f. - 2,575.0 s.f. = 2,915.21 s.f.Pervious Area Coverage = 2,915.21 s.f. / 5,490.21 s.f. = 53.10 %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' = 49,059.09 s.f.Min. 50' Basic SheetFlow Dispersion BMP.01 / 10 / 202301 / 10 / 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 - 6852Proposed New Native Growth Retention Area (NGRA)Required NGRA AreaTotal New Impervious Surface Mitigated by Full Dispersion BMP =Area of Three New Roofs = 2,100.0 X 3 = 6,300.0 s.f.Per the 2021 King County Surface Water Design Manual (KCSWDM), Section C.2.1.1Required NGRA = 6,300.0 / 0.15 = 42,000.0 s.f.Proposed NGRA Area = 43,192.55 s.f. > 42,000.0 s.f. OK10' Wide Landscape Strip.
Prop. 56.25' ReducedWetland Buffer LineProp. 56.25' ReducedWetland Buffer LineLOT (1)A = 5,647.03LOT (2)A = 5,491.49LOT (3)A = 5,460.65LOT (4)A = 5,430.33LOT (5)A = 5,490.21Shaded Area is (NGRA)Native Growth Retention AreaA = 43,192.55 S.F.New Critical Area Tract - AA = 61,054.63 S.F.New Critical Area Tract - AA = 61,054.63 S.F.Building AreaA = 2,241.90 S.F.Building AreaA = 2,600.58 S.F.Building AreaA = 2,574.97 S.F.Building AreaA = 2,549.65 S.F.Building AreaA = 2,575.02 S.F.15' BSBL 20' BSBL5' BSBL5' BSBL5' BSBL5' BSBL
5' BSBL
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5' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL20' BSBL470470470
466466466 468468468468FFE = 472FFE = 471FFE = 469FFE = 469FFE = 47010' Drainage Easementfor the Benefits of Lots 3 & 45'5'5'5'5'10'Preliminary Grading, Drainage / Utilities PlanS.WAHHINGASIADEE
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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 5 - 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
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5 Before you digCallKnow what'sBelowNew ADA Ramp WithTruncated Dome Matt.New 6" Side Sewer.New 1" Water Line.New 1" Water Meter.Min. 155' Full DispersionBMP Sheet Flow.25' Basic DispersionBMP Sheet Flow.01 / 10 / 202301 / 10 / 2023Initial SubmittalLimited Infiltration BMP For NewSidewalks Under Planter Strip.Proposed 2' W X 2' D X 38' LBasic Dispersion (BMP) Trenchfor 2,100 s.f. + 475 s.f. Driveway.Driveway LimitedInfiltration Trench.See Detail Hereon Below.1.THIS TRENCH SHALL BE CONSTRUCTED TOPREVENT POINT DISCHARGE AND/OR EROSION.2.TRENCHES MAY BE PLACED NO CLOSER THAN50 FEET TO ONE ANOTHER (100 FEET ALONGFLOWLINE).3.TRENCH AND GRADE BOARD MUST BE LEVEL.ALIGN TO FOLLOW CONTOURS OF SITE.4.SUPPORT POST SPACING AS REQUIRED BY SOILCONDITIONS TO ENSURE GRADE BOARDREMAINS LEVEL.5.15% MAX UNLESS OTHERWISE EVALUATED ANDAPPROVED, SEE SECTION C.2.1.1NOTES:MIN 6" PERFORATED PIPE LAID FLATCLEAN (<5% FINES)34" - 1 12" WASHED ROCKFILTER FABRIC TRENCH LINERGALVANIZEDBOLTS4" X 4"SUPPORTPOST20% MAX,SEE NOTE 515% MAXANOTCHEDGRADE BOARD2" X 2" NOTCHES18" O.C.*END CAP OR PLUGCLEAN OUT WYE FROM PIPEMIN 6" PERFORATED PIPELAID FLAT/LEVELTYPE I CB W/SOLIDCOVER (LOCKING)INFLUENT PIPE (MAX DESIGNFLOW <0.5 CFS PER TRENCH)CLEAN OUT WYE FROM PIPEFLOW TO SECONDDISPERSAL TRENCHIF NECESSARYFLOW TO OTHER BRANCHINGCB'S AS NECESSARYTYPE I CBW/SOLIDCOVER18" O.C.*2"A50'PLANNTSSECTION A-ANTS1'- 0MIN.1'- 0MIN.PIPE O.D.2" GRADE BOARDNOTCHES*1'- 0MIN.PIPE O.D.1'-0MIN.12" MIN.
36" MAX.6" MIN.2"x12"GRADEBOARD*FOR WATER QUALITY FACILITIES,SEE SECTION 6.2.6.1, OPTION A FORNOTCH DIMENSIONS AND SPACINGDispersion TrenchNTSProposed New Native Growth Retention Area (NGRA)Required NGRA AreaTotal New Impervious Surface Mitigated by Full Dispersion BMP =Area of Three New Roofs = 2,100.0 X 3 = 6,300.0 s.f.Per the 2021 King County Surface Water Design Manual (KCSWDM), Section C.2.1.1Required NGRA = 6,300.0 / 0.15 = 42,000.0 s.f.Proposed NGRA Area = 43,192.55 s.f. > 42,000.0 s.f. OKCut/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.DRIVEWAYDriveway Infiltration TrenchNTS2' MIN.18" MIN.3/4" TO 1-1/2"WASHED DRAINROCKOVERFLOWNOTE:SEE C.2.2.3 FORTRENCH LENGTHS,TRENCH SPACING ANDSITE LIMITATIONSMIN. 1' ABOVESEASONAL HIGHGROUNDWATERTABLE, SEESECTION C.2.2.210' Wide Landscape Strip.