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Home My WebLink AboutEX06_Grading_and_drainage_planSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS30'30'15'15'LOT A7,762.4SFLOT B7,547.2SFDSDSDSDS5-FOOT WIDE CONCSIDEWALK PER CORSTAND PLAN 102YD-1RIM 307.87IE 6" (S) 305.37IE 6" (N) 305.37DRYWELL #19' DIA. X 4' DPDRYWELL #39' DIA. X 3' DPYD-3RIM 307.55IE 6" (SE) 305.05IE 6" (NWW) 305.05CONCRETE DRIVEWAY TYPE R1BPER COR STD PLAN 104.3PERPENDICULAR CURBRAMP B PER WSDOTSTD PLAN F-40.15-035' WIDE ASPHALT RAMP (7.5% MAX.)20' SETBACK13' ROWDEDICATIONPT STA:10+38.17OFF:13.00' RTRAFFIC CURB AND GUTTERCOR STD PLAN 101L=39.39', R=25.00'Δ90°15'56"N89°14'07"W 118.16'PC STA:0+53.13OFF:13.00' L29LF, 12" SD @ 1.09%IE 12" (N)=300.28STA:10+72.44OFF:9.40' LSTA:10+22.06OFF:9.31' LPAINT 4" WHITE FOGLINEREFUGE AREA INEXISTING ASPHALTEX. STOP SIGN ANDSTOP BAR TOREMAINYD-2RIM 308.36IE 8" (W) 305.86IE 6" (S) 305.86DRYWELL #26.6' DIA. X 3' DP5' SETBACK15'SETBACK12' DRIVELANE21'60'26'45'4' WALKWAY20' DRIVEWAY4' WALKWAY20' DRIVEWAY5' SETBACK5' SETBACK15' ESMT1'20' SETBACK6" RD @2% MIN. (TYP)6" RD @2% MIN. (TYP)END CURB AND GUTTERMATCH EXISTINGSTA:1+72.80, OFF:13.48' LPERPENDICULAR CURBRAMP B PER WSDOTSTD PLAN F-40.15-039.4'5'8'8'5'6'BEGIN CURB AND GUTTER STA:11+56.33OFF:13.50' REX FH TOREMAINEX POLE TOREMAINGFF=308+8" SD @ 2% MIN. (TYP)ABANDON EX WATERMETER AT MAINPAVEMENT RESTORATIONPER COR STD DETAIL 11013'12" IE 304.93(S)12" IE 304.93(NE)TOP=307.990+45.76, 13.24' LTCB 3 TYPE 112" IE 303.10(S)12" IE 303.10(N)TOP=306.101+63.33, 12.00' LTCB 4 TYPE 1118LF 12" SD @ 1.56%12" IE 300.49(S)12" IE 300.49(N)TOP=304.482+31.76, 14.47' LTCB 5 TYPE 168LF 12" SD @ 3.81%43LF 12" DI @ 0.50%143LF 8" PVC @ 0.50%1+57.60, 16.95' RTTOP=306.38IE IN 298.65SSMH 1, TYPE 2 48"12" IE 305.13(SW)12" IE 305.13(E)TOP=308.340+27.34, 48.29' LTCB 2 TYPE 140LF 12" SD @ 0.50%12" IE 305.97(W)TOP=308.970+27.82, 153.65' LTCB 1 TYPE 1105LF 12" SD @ 0.80%5' WIDE ASPHALT RAMP (7.5% MAX.)STA:0+14.96STOP BAR PER COR STD PLAN 128STOP SIGN PER COR STD PLAN 129STA:2+57.98OFF:16.31' LSTA:2+65.77OFF:17.02' LSTA:2+83.03OFF:27.17' LCB 6RIM 307.2IE 8" (NW) 304.2CB 7RIM 307.6IE 8" (N) 304.6307.8307.8RELOCATE EX SIGN1.5' THICKENEDEDGENE 27TH ST EXISTING GRADE@ CLNE 28TH ST 143LF 8" PVC @ 0.50%SSMH 18" IE 298.65 (N)RIM EL 306.3843LF 12" DI @ 0.50%EX CB12" IE 300.28 (N)RIM EL 302.78CB 4 TYPE 112" IE 303.10 (N)12" IE 303.10 (S)RIM EL 306.10CB 5 TYPE 112" IE 300.49 (N)12" IE 300.49 (S)RIM EL 304.48118LF 12" SD @ 1.56%CB 3 TYPE 112" IE 304.93 (NE)12" IE 304.93 (S)RIM EL 307.99EX SMH8" IE 297.93 (S)RIM EL 307.58PC STA:0+53.13ELEV:307.30END CURB AND GUTTERSTA:1+72.80ELEV:305.94FINISH GRADE@ FLOW LINE18055APRIL 15, 2021REV DESCRIPTIONREV DATEREVph 206.890.82914715 142nd Pl. SW #B,Edmonds, WA 98026NE 1/4 NE 1/4 SEC. 5, T 23N, R 05E, W.M.ABERDEEN AVE 2-LOT SHORT PLAT10/4/2021RGGNAFURSEFORPIANOELTSGESINEREDE E AT D S NT AWFO.SAHII NR E E NOTR46937NOTEDDAFGRADING ANDDRAINAGE PLANC3.0DAFDAFDRAINAGE NOTESSURFACE WATER DRAINAGE NOTES AND SPECIFICATIONS1.BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRECONSTRUCTION MEETING MUST BE HELD WITH THECITY OF RENTON PLAN REVIEWER.2.ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE 1996 STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPALCONSTRUCTION PREPARED BY WSDOT AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OFRENTON PUBLIC WORKS DEPARTMENT.3.THE SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS, WHICH ARE ON FILEIN THE PUBLIC WORKS DEPARTMENT. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROMTHE CITY OF RENTON PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION.4.A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS.5.DATUM FOR VERTICAL CONTROL SHALL BE NORTH AMERICAN VERTICAL DATUM 1988 METERS, AND FOR HORIZONTAL CONTROLSHALL BE NORTH AMERICAN DATUM 1983/1991 METERS UNLESS OTHERWISE APPROVED BY THE CITY OF RENTON PUBLIC WORKSDEPARTMENT. REFERENCE BENCHMARK AND ELEVATIONS ARE NOTED ON THE PLANS.6.ALL SEDIMENTATION/EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING CONSTRUCTION, ANDTHEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON-SITE EROSIONHAS PASSED.7.ALL RETENTION/DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALLCONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITYSECTION.8.GRASS SEED MAY BE APPLIED BY HYDROSEEDING. THE GRASS SEED MIXTURE, OTHER THAN CITY OF RENTON APPROVEDSTANDARD MIXES, SHALL BE SUBMITTED BY A LANDSCAPE ARCHITECT AND APPROVED BY THE PUBLIC WORKS DEPARTMENT,SURFACE WATER UTILITY SECTION.9.ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH SECTION7-02.3(1) OF THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION. THISSHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL, AS WELL ASPLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL, TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THEPIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE. ALL PIPE BEDDING SHALL BE APWA CLASS "C", WITH THEEXCEPTION OF PVC PIPE. ALL TRENCH BACKFILL SHALL BE COMPACTED O MINIMUM 95 FOR PAVEMENT AND STRUCTURAL FILLAND 90 OTHERWISE PER ASTM D-1557-70. PEA GRAVEL BEDDING SHALL BE 6 INCHES OVER AND UNDER PVC PIPE.10.GALVANIZED STEEL PIPE AND ALUMINIZED STEEL PIPE FOR ALL DRAINAGE FACILITIES SHALL HAVE ASPHALT TREATMENT #1 ORBETTER INSIDE AND OUTSIDE.11.STRUCTURES SHALL NOT BE PERMITTED WITHIN 10 FEET OF THE SPRING LINE OF ANY STORM DRAINAGE PIPE, OR 15 FEET FROMTHE TOP OF ANY CHANNEL BANK.12.ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL.13.OPEN CUT ROAD CROSSINGS THROUGH EXISTING PUBLIC RIGHT OF WAY WILL NOT BE ALLOWED UNLESS SPECIFICALLYAPPROVED BY CITY OF RENTON PLANNING/BUILDING/PUBLIC WORKS ADMINISTRATOR.14.ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED. SHALL BE OF SOUND QUARRY ROCK PLACED TO ADEPTH OF ONE (1) FOOT AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4 - 8 INCH ROCK / 40 - 70 PASSING; 2 - 4 INCH ROCK /30 - 40 PASSING; AND LESS THAN 2 INCH ROCK / 10 - 20 PASSING.15.ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESSAPPROVED BY THE CITY PLAN REVIEWER OR SURFACE WATER UTILITY SECTION. AN ACCURATELY DIMENSIONED, CERTIFIEDAS-BUILT DRAWING OF THIS DRAINAGE SYSTEM WILL BE SUBMITTED TO THE CITY UPON COMPLETION.16.ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMITS BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THECONTINUING LEGAL OBLIGATION AND/OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE CITYOF RENTON DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE SYSTEM PROVIDEDDURING CONSTRUCTION.17.THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTECTIVEEQUIPMENT, F1AGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, ANDTO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY THE CONTRACT. ANY WORK WITHINTHE TRAVELED RIGHT OF WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLANAPPROVE BY THE PUBLIC WORKS DEPARTMENT, TRANSPORTATION SYSTEMS DIVISION. ALL SECTIONS OF THE WSDOTSTANDARD SPECIFICATIONS 1-07-23 TRAFFIC CONTROL SHALL APPLY.18.SPECIAL DRAINAGE MEASURES WILL BE REQUIRED IF THE PROJECT LOCATION IS WITHIN THE AQUIFER PROTECTION AREA (APA).N1' CURBLEGENDCATCH BASIN TYPE 1YARD DRAINDRYWELLPROPOSED CONCRETEPROPOSED ASPHALTPROPERTY BOUNDARYSTORM DRAIN LINE6" ROOF DRAINSURFACE FLOW ARROWRIDGELINEGRIND ANDOVERLAYGRIND ANDOVERLAYSCALE: H:1"=20' ; V:1"=5'ABERDEEN AVE NER25'R26'ESTIMATED EARTHWORK QUANTITIESCUT = 500 CYFILL = 550 CYNET = 50 CY (FILL)30'15'EX R/W13' DEDICATED R/W28'5'CONC.WALK8'LANDSCAPINGEX PAVEVARIES11'2'EX R/W℄R/WR/WSAW CUT EXIST. EDGE OF PAVEMENT 2' INSIDE W/NEAT LINE CUT, CLEAN HEATAND TACK EDGES W/SEALER CSS-1 ANDSEAL WITH HOT ASPHALT CEMENT3" CLS B ASPHALT OR MATCH EXISTWHICHEVER IS GREATER3" COMPACTED ATB OR CLS 16' COMPACTED DEPTH GRAVEL BORROWNE 28TH ST HALF STREET IMPROVEMENTSSECTION ANTS2%ABERDEEN AVE HALF STREET IMPROVEMENTSSECTION BNTS30'30'5'CONC.WALK8'LANDSCAPINGEX PAVEVARIES11'2'EX R/W℄R/WR/W3" COMPACTED ATB OR CLS 16' COMPACTED DEPTH GRAVEL BORROW2%SAW CUT EXIST. EDGE OF PAVEMENT 2' INSIDE W/NEAT LINE CUT, CLEAN HEATAND TACK EDGES W/SEALER CSS-1 ANDSEAL WITH HOT ASPHALT CEMENT3" CLS B ASPHALT OR MATCH EXISTWHICHEVER IS GREATER0.5'0.5'EXHIBIT 6DocuSign Envelope ID: 161A4F20-D494-466C-B2E0-C93C3D6DC51E