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Home My WebLink AboutR-408318M 00 C) I O I W I- DocuSign Envelope ID:6EECF5B6-602A-4E4A-B436-A317AA638878 PIPE O.D. IT 12^ MIN. MIN. - FLOW 70 SECOND DISPERSAL TRENCH IF NECESSARY NOTCHED GRADE BOARD, 2"X2" NOTCHES, 18" O.C. TYPE 1 CATCH BASIN (CB) WITH SOLID COVER TYPE 1 CS WITH SOLID COVER _ A 50' MAX. FE Ell INFLUENT PIPE (MAX DESIGN FLOW <0.5 CFS PER TRENCH) CAPPED CLENOUT /\ l WYE FROM PIPE FLOW TO OTHER BRANCHING CB'S END CAP OR PLUG AS NECESSARY PLAN 2"x12" GRADE BOARD, SEE NOTE 8 EXPOSED ROCK. DO NO7 FILL GALVANIZED BOLT (TYP.) 15%MAX, SEE SEE. NOTE 5 M'y' t5°'^ OTES 2" (TYP.) 2" GRADE SOARRD T NOTCHES (TVP.) •�••� T"'_ 18' O.C. - WRAP TRENCH SIDES WITH GEOTEXTILE (LEAVE TOP AND NOTCH DETAIL 36'MIN 41IV I BOTTOM EXPOSED), SEE NOTE 7 Ill I II II 5" MIN. PERFORATED PIPE LAID FLAT/LEVEL 91V � CLEAN (<5%FINES) 3/4' -1 1/2' WASHED ROCK W MIN. 4"N4" SUPPORT POST, SEE NOTE 6 SECTION A NOTES: 1. THIS TRENCH SHALL BE CONSTRUCTED SO AS TO PREVENT POINT DISCHARGE AND/OR EROSION. 2. TRENCHES MAY BE PLACED NO CLOSER THAN 50 FEET TO ONE ANOTHER, 10 FEET MINIMUM TO ANY BUILDING (100 FEET ALONG FLOWUNE). 3. TRENCH AND GRADE BOARD MUST BE LEVEL. ALIGN TO FOLLOW CONTOURS OF SITE. 4. SUPPORT POST SPACING AS REQUIRED BY SOIL CONDITIONS TO ENSURE GRADE BOARD REMAINS LEVEL. 5. 15% MAX UNLESS OTHERWISE EVALUATED AND APPROVED, SEE SECTION C.2.1.1. 6. GRADE BOARD AND SUPPORT POST TO BE UNTREATED CEDAR OR RECYCLED PLASTIC. SPACE SUPPORT POSTS EVERY 10 FEET MINIMUM. 7. GEOTEXTILE TO BE NON -WOVEN TYPE FOR SEPARATION PER WSDOT 9-33.2(1). UNLESS OTHERWISE NO-FD, DRAWING 15 NOT TO SCALE (NISI STD. PLAN - 224.00 PUBLIC WORKS 50-FOOT DISPERSION TRENCH WITH PP'GVE° : UR�1_� DEPARTMENT NOTCHED BOARD GAZ 9/28/2VJZVV [- 1 7DATE 50-FOOT DISPERSION TRENCH NTS (WITH NOTCHED BOARD) :45 AI uocuaign envelope IU: nccL,ronD-nuuA-wr.wr,-nwaO-TAa I /P1.4nJ00/D CONTROL JOINT (TYP .) (PERVIOUS CONCRETE ONLY) DESIGNER TO SPECIFY DESIGN WATER SURFACE SPACING ELEVATION CONTROLLED 10% MAX.SLOPE VMIN. CHECK DAM BY OUTLET t, r CLEARANCE SEE PERMEABLE I I 1 PAVEMENTSECTION G STD. PLAN 261.10 _ -- IF --- COVER CONTROLLEU UENSI I Y HLL ---_- -- --�-- �� J 1 SUBSURFACE CHECK DAM PER DESIGNER TO SPECIFY ` 1 WSDOT SECTION 2-09.3(1)E CHECK DAM HEIGHT 3"MIN. KEY (TYP.). CHECKDAM REQUIRED 12" IN FOR SLOPE STEEPER THAN 5% DESIGNER TO SPECIFY SUBGRADE PER SLOTTED UNDERDRAIN, STD. PLAN 281.10 8" MIN. BEDDING SEE NOTES 2 AND 3 CONTROLLED DENSITY FILL SUBSURFACE CHECK DAM CONTROL JOINT (TYP.) (PERVIOUS CONCRETE ONLY) DESIGNER TO SPECIFY DESIGN WATER SURFACE SPACING ELEVATION CONTROLLED BY OUTLET 10% MAX. SLOPE 1" MIN. CHECK DAM CLEARANCE SEE PERMEABLE _ PAVEMENT SECTION STD. PLAN 261.10 e a 6„ MIN C. COVER d I a SUBGRADE PER STD. PLAN 261.10 DESIGNER TO SPECIFY -T}- � 1 J 1 COMMERCIAL CONCRETE 4" MIN, SUBSURFACE CHECK J `1 1 v SUBSURFACE CHECK DAM PER DAM HEIGHT 3" MIN. KEY WSDOT SECTION 6-02.3(2)B (TYP.). SLOTTED UNDERDRAIN, CHECKDAM REQUIRED FOR SLOPE STEEPER THAN 5% 6" MIN. SEE NOTES 2 AND 3 BEDDING CONCRETE BAND SUBSURFACE CHECK DAM CLEANOUT PER STD. PLAN 226.00 WATER LEVEL CONTROLLED BY OUTLET ELEVATION, DESIGNER TO SPECIFY OUTLET ELEVATION L 1 I SEE PERMEABLE TYPE 1L (C BASIN CATCH e) PAVEMENT SECTION T S I n PER STD. PLAN 200.10 OR STD. PLAN 281.10 12" MIN, 2" MIN. 3' MAX. OTHER STRUCTURE WITH _ APPROVAL IIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII�REMOVABLE PLUG FOR MAINTENANCE UNDERDRAIN AGGREGATE, 12" MIN. SEE NOTE 1 SANITARY TEE CLEAR WITH OPTIONAL SLOTTED UNDERDRAIN PIPE, RISER PIPE OUTFLOW SE......... ND 3 W SUBGRADE PER STD. PLAN 261.10 �- 12" MIN. SUMP UNDERDRAIN AND OVERFLOW NOTES: CONTROL STRUCTURE WITH RISER 1. UNDERDRAIN AGGREGATE SHALL MEET STD. PLAN 262,60. 2. UNDERDRAIN TO BE 8' MIN. (PRIVATE), B" MIN. (PUBLIC) SLOTTED PVC PER ASTM D1785 SCH 40. SLOTS SHOULD BE CUT PERPENDICULAR TO THE LONG AXIS OF THE PIPE AND BE 0.04 TO 0.069INCHES BY 1 INCH LONG AND BE SPACED 0.25INCHES APART (SPACED LONGITUDINALLY). SLOTS SHOULD BE ARRANGED IN FOUR ROWS SPACED ON 45-DEGREE CENTERS AND COVER 1/2 OF THE CIRCUMFERENCE OF THE PIPE. SLOPE PIPE AT 0.5% MIN. UNLESS OTHERWISE SPECIFIED. PROVIDE ONE CLEANOUT MIN. PER 100 FEET OF UNDERDRAIN, AND AT EACH END. SEE STD. PLAN 226.00. 3. PIPE WILL HAVE A MINIMUM COVER DEPTH OF 12" AND BEDDING DEPTH OF 6". GENERAL NOTES: 1. LOCATE UNDERDRAIN BELOW STRUCTURAL PAVEMENT BASE DEPTH. 2. SEE CONSTRUCTION PLANS FOR SPECIFIC PROJECT REQUIREMENTS. UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NT5) STD. PLAN - 261.20 • PUBLIC WORKS PERMEABLE PAVEMENT: SUBSURFACE PPR °o `!l1"*DEPARTMENT CHECK DAMS AND UNDERDRAIN GAZ 9/28/201' 1 :45 . Pamlm.vn., DATE PERMEABLE PAVEMENT SUBSURFACE UNDERDRAIN NTS Abossein Engineering, L.L.C. MECHAMCAL - ELECTRICAL CIVIL - LEED FIRE PROTECTION 18465 NE 68TH ST PXDMOIND, WA. 98052 PH: (425) 462-9441 FAX: (425) 462-9451 B-Mai1: cseMce®abossein.com www.abossein.com POURAZARI #39659 DocuSign Envelope III 6EECF5B6-602A-4E4A-B436-A317AA638878 SEE NOTE 4, LIMIT OF PIPE ZONE PIPE ZONE BEDDING AND BACKFILL, SEE NOTE 5 - / 8' O.D. FOUNDATION LEVEL 8yy' r FOUNDATION MATERIAL, �1 1 IF REQUIRED, SEE NOTE 6 �1l FLEXIBLE PIPE ®GRAVEL BACKFILL FOR PIPE ZONE BEDDING (WSCOT 91 OR MAINTENANCE ROCK (WSDOT 9-03.9(4)) FLEXIBLE PIPE NOTES: 1. PROVIDE UNIFORM SUPPORT UNDER BARRELS. 2. HAND TAMP UNDER HAUNCHES. 3. DIRECTLY OVER PIPE, HAND TAMP ONLY, 4. SEE STANDARD WSDOTIAPWA SPECIFICATIONS SECTION 2-09.4 FOR TRENCH WIDTH, S. PIPE ZONE BEDDING AND BACKFILL MATERIAL SHALL BE PLACED IN 6" LOOSE LAYERS AND COMPACTED TO 95% MAXIMUM DENSITY. 6. EXCAVATE UNSTABLE MATERIAL DOWN TO FIRM SOIL AND REPLACE WITH FOUNDATION MATERIAL CLASS A OR B PER STANDARD WSDOT/APWA SPECIFICATIONS SECTION 9-03.17. PIPE TYPE MINIMUM PUBLIC? PRIVATE? ALLOWED IN ZONE 1 COVER (FT) OF THE APAT LINE CORRUGATED POLYETHYLENE PIPE (LOPE) 20 YES YES YES CORRUGATED POLYETHYLENE PIPE (CPS) - TRIPLE WALL 20 YES YES YES POLYVINYL CHLORIDE PIPE (PVC) 3.0 YES YES YES SOLID WALL HIGH DENSITY POLYETHYLENE PIPE (HDPE) 2.0 YES YES YES DIAMETER MINIMUM DISTANCE BETWEEN BARRELS 12" TO 24" 12" 3D"TO96" DIAMET ER/3 102' TO 180' 48" UNLESS OTHERWISE NOTED, DRAWING 15 NOT TO SCALE (NTS) STD. PLAN - 220.10 • PUBLIC WORKS PIPE ZONE BEDDING AND PP" elm DEPARTMENT COMPACTION - FLEXIBLE PIPE GAZ 9/28/2018 1 DATE :45 AI PIPE ZONE BEDDING AND COMPACTION - FLEXIBLE PIPE NTS DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878 C�A Er-L-.� DESIGNER TO SPECIFY WATER STORAGE ELEVATION nI OVERFLOW STRUCTURE PER STD. PLAN FOR EDGE TREATMENT OPTIONS, 262.40 UNLESS SPECIFIED OTHERWISE ALK ORLNDSCAPING SEE STD. PLAN 262.20 ��"EW. BOTTOM WIDTH SIDE SLOPE SEE NOTE 9ROADWAY/ VANN. MIN. 16"6'MIN. TOP OF BANK PARKING LOT ELEVATION ,/ - e' MIN. 2% J 2"-12'POND NG FREEBOARD r DEPTH I1111 111 1r III = 11 _ >� 2.5 MIN,:::• •1", 2.5 TRANSITION ZONE SOIL,'T{;-y'. �• .,# -,1:- �� SEE STD. PLN 262.20 `n .1- •,. •,,. 1., ,� T` �-' "A � T' J 2'-4" DEPTH ARBORIST \/ < '-q. 118"MIN ANGLE OF REPOSE WOOD CHIP MULCH. •'_I SEE NOTE 7 \, Y s BIORETENTION SOIL MIX (BSM), r�� I 12"MIN. SEE NOTE UNDERDRAIN AGGREGATE, SEE NOTE 6 OVERFLOW TO STORM MAIN '�// LOW PERMEABILITY LINER SEE FIED NOTES S 1 AND 2 S AND OMPACTED SUBGRADE, WHEN REQUIRED. SEE NOTE 3 UNDERDRAIN, SEE NOTE 4 NOTES: GRAVEL BASE, SEE STD. PLAN 262.40 AVOID COMPACTION OF EXISTING SUBGRADE BELOW BASIN. 2. SCARIFY SUBGRADE TO ADEPTH OF 31NCHES MINIMUM IMMEDIATELY PRIOR TO PLACEMENT OF BIORETENTION SOI_ MIX AND UNDERDRAIN AGGREGATE, EXCEPT WHEN LINER IS REQUIRED. 3. LINER TO BE INSTALLED ONLY WHEN REQUIRED IN THE CITY OF RENTON SURFACE WATER DESIGN MANUAL (RENTON SWDM). LOW PERMEABILITY LINER TO BE 30 MIL MIN. GEOMEMBRANE LINER OR 12 INCHES MIN. (DRY) CLAY LINER. CLAY LINER TO BE COMPACTED TO 95% MINIMUM DRY DENSITY (ASTM DOW), WITH AT LEAST 30%CLAY PARTICLES PASSING (ASTM 0422) AND AT LEAST 15%PLASTICITY INDEX (ASTM D4318). 4. UNDERDRAIN TO BE 6" MIN. (PRIVATE). W MIN. (PUBLIC) SLOTTED PVC PER ASTM 01785 SCH 40. SLOTS SHOULD BE CUT PERPENDICULAR TO THE LONG AXIS OF THE PIPE AND BE 0.D4 TO 0.069INCHES BY 1 INCH LONG AND BE SPACED 0.25 INCHES APART SPACED LOINO TUDNALL . SLOTS SHOULD BE ARRANGED ( n IN FOUR ROWS SPACED ON 45-DEGREE CENTERS AND COVER 1/2 OF THE CIRCUMFERENCE OF THE PIPE. SLOPE PIPE AT 0.5%MIN UNLESS OTHERWISE SPECIFIED. PROVIDE ONE CLEANOUT MIN. PER 1DO FEET OF UNDERDRAIN, AND AT EACH END. SEE STD. PLAN 226.DO. MATCH CROWN ELEVATION OF UNDERDRAIN TOOVERFLOW PIPE UNLESSOTHERWISE SPECIFIED. 5. 18" MIN- BIORETENTION SOIL MIX ON BOTTOM AND SIDES TO TOP OF PONDING AREA. BIORETENTION SOIL MIX TO MEET STD. PLAN 262.60. 6. UNDERDRAIN AGGREGATE TO MEET STD. PLAN 262.60. ,. ARSONIST WOOD CHIP MULCH TO MEET STD. PLAN 262.60. 8. MAXIMUM LONGITUDINAL SLOPE (ALONG DIRECTION OF FLOW) OF BIORETENTION SWALES SHALL BE 6%. 9. WHERE NOT CONFLICTING WITH REQUIRED CLEARANCES OR UTILITIES, TREES MAY BE LOCATED IN BIORETENTION. REDUCE BOTTOM WIDTH TO BINCHES MINIMUM AND INCREASE SIDE SLOPE TO 1.5HAV ADJACENT TO TREE. TREES TO BE LOCATED ONLY OUTSIDE OF LINER FOR LINED FACILITIES. GENERAL NOTES: 1. MINIMUM UTILITY SETBACKS AND PROTECTION MEASURES MUST CONFORM TO CURRENT CITY STANDARDS, STD. PLANS 265.00, 265.10, AND 265.20, AND OTHER UTILITY PROVIDER REQUIREMENTS. COORDINATE WITH CITY ENGINEER IN THE EVENT OF UTILITY CROSSINGS OR CONFLICTS. 2. BSM PLACEMENT, GRADING, AND CONSOLIDATION SHALL NOT OCCUR WHEN THE BSM S EXCESSIVELY WET OR HAS BEEN SUBJECTED TO MORE THAN 1/2" OF PRECIPITATION WITHIN 48 HOURS PRIOR TO PLACEMENT. EXCESSIVELY WET IS DEFINED AS BEING AT OR ABOVE 22%SOIL MOISTURE BY A GENERAL TOOLS AND INSTRUMENTS COMMON PRECISION DIGITAL SOIL MOISTURE METER WITH PROBE (OR EQUIVALENT). THERE SHOULD BE NO VISIBLE FREE WATER IN THE MATERIAL. THE CONTRACTOR SHALL PLACE BSM LOOSELY WITH A CONVEYOR BELT OR WITH AN EXCAVATOR OR LOADER FROM A HEIGHT NO HIGHER THAN 6 FEET, UNLESS OTHERWISE APPROVED BY THE ENGINEER (I.E., DO NOT DUMP MATERIAL DIRECTLY FROM TRUCK INTO CELL). COMPACT BSM USING NON -MECHANICAL COMPACTION METHODS (E.G., BOOT PACKING, HAND TAMPING, OR WATER CONSOLIDATION) 70 8311 (t 2%) OF THE MAXIMUM DRY DENSITY PER MODIFIED PROCTOR TEST (ASTM 01557), OR AS DIRECTED BY THE ENGINEER. 3. SEE CONSTRUCTION PLANS FOR SPECIFIC PROJECT REQUIREMENTS. UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS) STD. PLAN - 262.10 PUBLIC WORKS BIORETENTION SECTION ° ..� DEPARTMENT (WITH UNDERDRAIN) GAZ 9/28/2018 :45 AIN DATE BIORETENTION SECTION (WITH UNDERDRAIN NTS BASE MAP/TOPOGRAPHY PROVIDED BY Pou ll OTHERS. ABOSSEIN ENGINEERING (AE) CANNOT BE HELD LIABLE FOR OF 71, ACCURACY. CONTRACTOR SHALL FIELD `0-4 VERIFY GRADES, UTILITIES AND ALL *OTHER EX FEATURES & CONDITIONS. IF 14 CONDITIONS ARE NOT AS SHOWN &/OR 14 ;P7 4p�,�� lSrONT PLANS CANNOT BE CONSTRUCTED AS �S `4 SHOWN, CONTACT AE PRIOR TO CONSTRUCTION. \L61 PERMIT SUBMITTAL F.IT10M Me, BY I DATE DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878 SEE STANDARD PLANS 110. 110.1. 110.2, AND 111 FOR PAVEMENT RESTORATION REQUIREMENTS SURFACE RESTORATION AS SPECIFIED IN CONTRACT DOCUMENTS 12"MIN. EXISTING PAVEMENT SURFACE -- 8 M\\ EE NOTE 4 NEAT LINE TRENCH "CRUSHED SURFACING TOP COURSE" PER WSDOT STD. SPEC 91 COMPACTED TO 95% OF MAXIMUM DENSITY "CRUSHED SURFACING TOP COURSE" PER WSDOT STD. SPEC 91 "BANK RUN GRAVEL FOR TRENCH BACKFILL" PER WSDOT STD. SPEC 9-03.19, OR "GRAVEL BORROW' PER WSDOT STD. SPEC 9-03,14(1), COMPACTED TO 95% OF MAXIMUM DENSITY BENCH AS NEEDED FOR SHORING SYSTEM WHEN DEPTH IS W OR GREATER PIPE PIPE ZONE BEDDING AND BACKFILL PER STD. PLANS 220.DO AND 220.10 - SEE NOTE 1 UNPAVED AREAS PAVED AREA. I NOTES: 1. SEE WSDOT/APWA STANDARD SPECIFICATIONS SECTION2-D9A FOR MEASUREMENT OF TRENCH WIDTH. 2. EXCAVATIONS OVER 4' DEEP SHALL COMPLY WITH THE SAFETY STANDARD DESCRIBED IN CHAPTER 295.155 PART N OF THE WAG. 3, MAXIMUM BACKFILL DEPTH ABOVE PIPE SHALL NOT BE EXCEEDED. AS DETERMINED BY PIPE MANUFACTURER. 4, IN PAVED AREAS, IF PIPE HAS LESS THAN 3' OF COVER, USE 'CRUSHED SURFACING TOP COURSE" FOR THE ENTIRE BACKFILL DEPTH ABOVE PIPE ZONE. S. SEE CONSTRUCTION PLANS FOR SPECIFIC PROJECT REQUIREMENTS. UNLESS OTHERWISE NOTED, DRAWING S NOT TO SCALE (NTS) D. PLAN - 220.20 UURR PUBLIC WORKS TYPICAL TRENCH AND BACKFILL 9/28/2KPI 018 DEPARTMENT GAZ DATE TYPICAL TRENCH AND BACKFILL NTS DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878 UNDERDRAIN AGGREGATE TABLE: UNDERDRAIN AGGREGATE GRADATION SIEVE SIZE PERCENT PASSING 3l4-INCH 10O PERCENT 114-INCH 30 TO 60 PERCENT U.S. NO. 8 20 TO 50 PERCENT U.S. NO.50 3 TO 12 PERCENT 200 0 TO 1 PERCENT UNDERDRAIN AGGREGATE MUST CONSIST OF SCREENED SAND, GRAVEL C'R OTHER INERT MATERIALS, OR COMBINATIONS THEREOF, FROM SOURCES APPROVED BY THE ENGINEER, HAVING HARD, DURABLE PARTICLES FREE FROM ADHERENT COATINGS. THE MATERIALS MUST BE WASHED THOROUGHLY TO REMOVE CLAY. LOAM, ALKALI, ORGANIC MATTER, OR OTHER DELETERIOUS SUBSTANCES. PARTICLES HAVING A SPECIFIC GRAVITY LESS THAN 115 MUST NOT EXCEED 1.0 PERCENT OF THE TOTAL WEIGHT. ORGANIC MATTER BY CALORIMETRIC TEST MUST NOT BE DARKER THAN THE REFERENCE STANDARD COLOR (ORGANIC PLATE NO. 3) AASHTO T21 UNLESS OTHER TESTS PROVE A DARKER COLOR TO BE HARMLESS. BIORETENTION SOIL MIX BIORETENTION SOIL MIX (BSM) SHALL BE A WELL -BLENDED HOMOGENEOUS NIXTURE OF 60 TO 65 PERCENT BY VOLUME MINERAL AGGREGATE FOR BIORETENTION SOIL AND 35 TO 40 PERCENT BY VOLUME COMPOST AS DETAILED IN THE TABLES BELOW. MINERAL AGGREGATE FOR BIORETENTION SOIL MINERAL AGGREGATE FOR BIORETENTION SOIL MUST BE FREE OF WOOD, TABLE: MINERAL AGGREGATE GRADATION WASTE, COATING, OR ANY OTHER DELETERIOUS MATERIAL, AND ALL SIEVE SIZE PERCENT PASSING AGGREGATE PASSING THE NO, 20DSIEVE SIZE MUST BE NON -PLASTIC. 3/8-INCH 100 PERCENT MINERAL AGGREGATE MUST BE ANALYZED BY AN ACCREDITED LAB USING THE SIEVE SIZES NOTED IN THE TABLE TO THE LEFT, AND MUST MEET THE U.S. NO. 4 95 TO 100 PERCENT REQUIRED GRADATIONS. U.S. NO. 10 75 TO 90 PERCENT U.S. NO. 40 25 TO 40 PERCENT U.S. NO. 100 4 TO 10 PERCENT U.S. NO.200 2 TO PERCENT COMPOST TABLE: COMPOST GRADATION SIEVE SIZE MIN. PERCENT PASSING 2-INCH 100 PERCENT 1-INCH 99 PERCENT 518-INCH 90 PERCENT 114-INCH 75 PERCENT COMPOST MUST ORIGINATE A MINIMUM 85 PERCENT BY VOLUME FROM RECYCLED PLANT WASTE COMPRISED OF YARD DEBRIS, CROP RESIDUES, AND BULKING AGENTS, AND MEET THE DEFINITION OF "COMPOSTED MATERIAL" IN WAC 173350-100. COMPOST SHALL HAVE A MOISTURE CONTENT THAT HAS NO VISIBLE FREE WATER OR DUST PRODUCED WHEN HANDLING THE MATERIAL. COMPOST SHALL HAVE AN ORGANIC MATTER CONTENT OF 40 PERCENT TO 65 PERCENT BY DRY WEIGHT, A CARBON TO NITROGEN RATIO BELCW 25:1, AND A PH BETWEEN 6.0 AND 8.0 ABORIST WOOD CHIP MULCH TABLE: ARBORIST WOOD CHIP MULCH GRADATION SIEVE SIZE PERCENTPASSING 6-INCH 100 PERCENT 2-INCH 95 TO 100 PERCENT 1-INCH 70 TO 100 PERCENT 518-INCH 0 TO 50 PERCENT U.S. NO. 4 0 TO 30 PERCENT ARBORIST WOOD CHIP MULCH SHALL BE COARSE GROUND WOOD CHIPS (APPROXIMATELY 1/2' TO 6" ALONG THE LONGEST DIMENSION) DERI'✓ED FROM THE MECHANICAL GRINDING OR SHREDDING OF THE ABOVE -GROUND PORTIONS OF TREES. IT MAY CONTAIN WOOD, WOOD FIBER, BARK. BRANCHES. AND LEAVES, BUT MAY NOT CONTAIN WEEDS, WEED SEEDS, OR VISIBLE AMOUNTS OF SOIL. UNLESS OTHERW15F NOTED, DRAWING 15 NOT TO SCALE (NTS) UNDERDRAIN AGGREGATE, PR DSTD.PLAN-262.60 .%.� PUBLIC WORKS BIORETENTION SOIL MIX AND MULCH 9/28/2018 DEPARTMENT T GAZ SPECIFICATIONS DATE :45 AP :45 AP DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878 CONFIGURATION ON SLOPING GROUND DOWNSPOUT WITH CLEANOUT FILTER, SEE DETAIL CLEANOUT PER STD. PLAN 226.00 10' MIN. LEVEL TRENCH WITH PERFORATED PIPE, SEE NOTE 1 5' . MIN. BE MIN. � 3 I ILL I I Irc CLENOUT PER STD. PLAN 226.00 ---L� TO STORM DRAIN SYSTEM YPASS 5' S' CLEANOUT PER MIN. IN STD. PLAN 220.00 PCLEANOUT TO STORM DRAIN SYSTEM � I IT MIN. LEVELTRENCH WITH DOWFILTE, ' PERFORATED PIPE, SEE NOTE 1 - - - - - - - - - - - CONFIGURATION ON FLAT GROUND PLAN VIEW OF PARCEL COMPACTED TOPSOIL OR OTHER CLEAN FILL NON -WOVEN GEOTEXTILE FOR SEPARATION 8" MIN. PVC ON TOP AND SIDES OF TRENCH PER WSDOT PERFORATED PIPE SPECIFICATIONS SECTION 91 TABLE 3 PER ASTM 01785 SOLIDS/ LEAVES 6'MIN.� / \\ T- o FILTER SCREEN 18'MIN. 11/2"-3/4' WASHED DRAIN ROCK Y-V TO "'000 GROUND 24" MIN. UNDISTURBED NATIVE SOIL a TYPICAL DOWNSPOUT MIN. VABOVE SEASONAL HIGH FILTER DETAIL GROUNDWATER TABLE SECTION A NOTES: 1. TRENCH LENGTH TO BE 10 FEET IN LENGTH FOR EVERY 5,000 SF OF CONTRIBUTING IMPERVIOUS SURFACE, OR 35.000 OF OF NON-NATIVE PERVIOUS SURFACE, OR PORTION THEREOF. GENERAL NOTES: 1. INFILTRATION TRENCHES LIMITED TO ROOF RUNOFF FROM SING-E-FAMILY OR DUPLEX HOMES OR TO CONTROL BASEMENT FLOODING. CONSULT WA DEPARTMENT OF ECOLOGY REGULATIONS FOR UNDERGROUND INJECTION CONTROL PROGRAM (UIC) FOR OTHER TYPES OF RUNOFF MANAGEMENT. 2. IMPERVIOUS AREAS LARGER THAN 10,000 OF AND NON-NATIVE PERVIOUS AREAS LARGER THAN 35,000 SF MAY REQUIRE LARGER PIPE AND SHOULD BE DESIGNED BY A CIVIL ENGINEER. 3. THE PERFORATED PIPE MAY NOT BE PLACED IN A CRITICAL AREA BUFFER OR ON SLOPES STEEPER THAN 25%. 4. SEE CONSTRUCTION PLANS FOR SPECIFIC PROJECT REQUIREMENTS. UNLESS OTHERWISE NOTED, DRAWING 15 NOT TO SCALE INTS) PUBLIC WORKS PERFORATED STUB -OUT STD. PLAN - 263.40 7PPRDVED. DEPARTMENT CONNECTION GAZ 9/28/2018 1 J:45 A DATE PERFORATED STUB -OUT CONNECTION NTS DocuSign Envebpe ID: 6EECF5B6-602A-4E4A-B436-A317AA638878 PLANTING -UNDISTURBED UNDISTURBED TURF(LAWN( AREAS, VEGETATION, SEE NOTE I SEE NOTE11(1�II�`y I11 `yI II6JII III GRABS: SEED OR SOD NATIVEVEGON 44 f \\\ \\\ \\ UNDISTURBED NATIVE SOIL\��\.\ UNDISTURBED NATIVE SOIL OPTION 1 - NO DISTURBANCE PLANTING BEDS LCH 3"-4' ARBORISSWOOD CHP I�PNMZQUIN) j�� j�� TURF IL\YYNI AREAS /�/%�� D GRASS: SEED OR 500 3.OFCOMPOSTINCORPCRATED 1.T5' OF COMPOST INCORPORATED INTO INTO S" OF SITE SOIL (TOTAL S.M' OF SITE SOIL (TOTAL AMENDED DEPTH AN ENDED DEPTH OF 9.5" FOR A OF 9.5•, FOR A SETTLED DEPTH OF T) SETTLED DEPTH OF e• SCARIFIED 4- BELOW SUBSOIL W 9W COMPOSTAMENDED LAYER COMPOTAMENDED SOILSEUDRP.PAABYCEEELRO) (tYBELO I (Y BELOW \�/ � � tz• / \/,/i\ lw��il/�v OPTIONS 2, 3, AND 4 - AMEND IN PLACE OR STOCKPILE AND AMEND PLANTING BEDS TURFILAWNI AREAS S•4' ARBORIST WOODCNP MULCH, SEE STD. GRASS: SEED OR SOD PLAN 262.fi0 - - - - - - _ - - I NOTES: - -1 1. AREASOFNOOBTUR BE FENCED 1=1ff-I -1 _ _ TION N AND SOIL OBE (' 6" IMPORTED L1 IJ1 II I I _ I_ _ I_T-1 I 6•IMPORTED PRDEXISTINGV_GEONSTR PROTECTED FROM CONSTRUCTION IMPACTS. ICLIII TOPSOIL MIX T1 7 [I.IC1l'I_ , ICI ( COMPACTED r 'T 7 TOPSOILMI% COMPACTED GENERAL NOTES: DEPTH) II ., - -I --' - L I� - '1- 11 1 LL I, - I'I DEPTH -1 -1 11 ) 1. TO MEABIME SETTLED DEPTH, WATER SOIL 7 fl I I SUFFICIENTLY TO FULLY SATURATE W RHOUT -1I 1 I - I CAUSING EROSION - I. -J- 1- 2. COMPOST TO MEET STD. PLAN 282.60. SUBSOIL IS - 1t 6- SCARIFIED 8' - - BELOW IMPORTED 3. COMPACTION OF TOPSOIL WHERE REQUIRED SCARRED B• �� ' BELOWIMPORTED _ - TOPSOIL MIX TO BE TO B6%0=STANDARD PROCTOR. TOP6gL MIX / IY _ 4. SEE CONSTRUCTION PLANS FOR SPECIFIC Xi'I1_. PROJECT REQUIREMENTS, OPTION 5 - IMPORTED TOPSOIL UNLESS OTHERwSF NOTEo, DRAWING IS rv0T TO SCALE IMS) STD. PLAN - 264.00 PPR D: PUBLIC'WORKS DEPARTMENT SOIL AMENDMENT SECTIONS 9 28 2018 GAZ / / I :45 A UNDERDRAIN AGGREGATE BIORETENTION N1�2) BUSINESS fIAVG NTS SURVEYED: GEODETIC SURVEYING SERVICE DESIGNED: S P DRAWN: S P CHECKED: S P APPROVED: SCALE: AS INDICATED ON DRAWING ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY VERTICAL: NAVD 198E HORIZONTAL NAD 1983/1991 DATUM SOIL AMENDMENT SECTIONS NTS BEFORE YOU DIG (UNDERGROUND UTILITY LOCATIONS ARE APPROXIMATE) CITY OF JW RENTON Planning/Building/Public Works Dept. R-408318 IN COMPLIANCE WITH CITY OF RENTON STANDARDS DEVELOPMENT ENGINEERING Nathan Janders 03/19/2020 FIRST UKRAINIAN PENTECOSTAL CHURCH 3811 NE 21 ST ST RENTON, WA 98056 STORM DRAINAGE DETAILS W, ii DATE: Ir Q 02-25-20 FIELDBOOK: PAGE DRAWING NO: C8.2 SHEEP: OF H 23 65