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114, SE .114, SEC 23, T. 28N., R. 04E®, WX N OTES <br />WASHINGTON 1. INSTALL CATCH BASIN TOP, FRAM , GRATE AND <br />SNOHOMISH COUNTY, SECTIONS 50 THAT LIFT GATE IS VISIBLE <br />}'� THROUGH OPENING AND STEPS CLEAR )NLET,AND <br />RLSTRICTOR UNIT. <br />I TOTAL COVER: 24" MINIMUM AND 84" MAXIMUM. FIRST 12 MUST BE NOTES: GROUT <br />r r FREE DRAINING BACKFILL (SPEC SECTION 2.038): STONE <1.5" OR SOIL * FOR COMPLETE MODULE DATA, SEE APPROPRIATE R-TANKHp MODULE SHEET i :f I _. INSTALL LOCKING FRAnIE AND GRATE OR COVER <br />/ = r <br />(USCS CLASS GW, GP, SIN OR SP). ADDITIONAL FILL MAY BE STRUCTURAL * INSTALLATIONS PER THIS DETAIL MEET GUIDELINES OF H2O LOADING PER THE 1983, SEE STANDARD DRA WINGS 405 OR 610. FRAME <br />COVER PER STANDARD DRAWING 610 IS <br />FILL (SPEC SECTION 2.03C): STONE OR SOIL (USCS CLASS SM, SP, SW, 13TH EDITION OF THE AMERICAN ASSOCIATION OF STATE, HIGHWAY AND TRAFFIC REQUIRED IF INSTALLATION Is NOT IN PAVED <br />) OFFICIALS AASHTO STANDARD SPECIFICATIONS f <br />GM, GP OR GW WITH MAX CLAY CONTENT<10%, MAX 25% PASSING ( ) I -Love + l` } FLOW AREA OR'1SN4TTOFUNCTION ASACATCH <br />NO. 200 SIEVE, AND MAX PLASTICITY INDEX OF 4. A MIN. 12" COVER * PRE-TREATMENT STRUCTURES NOT SHOWNy } , aaslN. <br />a. MUST BE MAINTAINED BETWEEN BACKFILL EQUIPMENT AND THE TOP OF I ( ' <br />3. RESTRICTOR ASSEMBLYSEE DETAIL BAND <br />THE R-TANKr" SYSTEM AT ALL TIMES. TOTAL HEIGHT OF TOP BACKFILL f f STANDARD DRAWING 416, DETAIL C. <br />O / SHOULD NOT EXCEED 7'. CONTACT ACF ENVIRONMENTAL IF MORE THAN 7' <br />GEOGRID (TENSAR BY-1200 OR EQUAL) PLACED 12" ABOVE THE 1 GROUT 0 <br />OR LESS THAN 20" OF TOP BACKFILL IS REQUIRED FROM TOP OF TANK Hp N s 4. FOR STEPS SEE STANDARD DRAWING L�. <br />" 0 O ( R-TANK SYSTEM. OVERLAP ADJACENT PANELS BY 18" MIN. GEOGRID CL NCI <br />TO TOP OF PAVEMENT). <br />' SHOULD EXTEND 3' BEYOND THE EXCAVATION FOOTPRINT. ct`AR�.NcL / P� 5. BAND STRAP v1{IT>-➢ GASKET. <br />� FRORn oLL PLAN I <br />APPURTENANCES <br />COVER FROM FINISH GRADE TO 9 6. SECURE RESTRICTOR TO CATCH BASIN WITH S <br />PAVED 36" (0,91 m) TOP OF TANK: GAUGE ALUIVIINU vl STRAPS AND SOLT-1-0 CATCH <br />a a UTILITY MARKERS AT BASIN''kVALL WITH STAINLESS STEEL ANCHOR <br />qcF a r' SURFACE MIN. 24" (0,51 rn) MIN. <br />/ CORNERS (TYP.) i SOL T& ONE STRAP ABOVE AND BELOW OUTLET <br />84" (2,13 m) MAX r REQUIRED, INTERMEDIATE STRAPS REQUIRED <br />c f lE: 492.33 OUT S r EL: 497.21 _ _ - ! �I j � FOF fiESTRICTGR RISERS vREATEP TI,AN 12' <br />v <br />�:,- <br />ABOVE OUTLET. <br />V� <br />a OVERFLOW STA DPIPE 31.. 9 <br />- ci+ <br />J G� A ! $rS._.��-F-E -iis. I Imo.( i E� 7. ORALUPvI1NUILVROD LIFT HANDLE ASSEMBLY <br />. �� <�� ✓ d�� ��Ei� �C �!i ���i �s�� i-�-- -i-���-T� i SEE STANDARD DRAWING 416. <br />35LF 8" SD ©0.5% �L }�2521- - J Lam_ = A (i' � '12 (0„ 30 F !- { 111� i t E 1 I = �l i i L� V l i I i _ a <br />lIi�l I <br />F�EE 3la ➢i { i O d' '' t .�` daO Ek 'Or•-r_ . / �/// 1 a ° .Q �a,` <br />.11,1� <br />=1 a <br />Ii_ <br />I LiE1 �I�IJI: OVERFLOW <br />zIE �7 <br />IE: 492.15 (IN) {HEFT PIPE t9 _ H1�-E <br />"d 41- <br />. OPTIONAL <br />� : I PIPE i I ( 9 1 FLOW <br />- -, <br />-1 3�I.=I1SCALE: 203" <br />.;f <br />a� <br />-�- <br />L <br />�� - _•vL �� 4" FLOW <br />(0.08 m) _ , ®�1--�. �.----- y, .�1. � � � � I-•_, __$ , � E ! , .1, � i ,; -I , i•--�.�.i;-.� E i � � f i; _{ I I.� . d c , i � I�� ._,! €-� a-, s i _--t I �-l.es ! ! �.�; I m.� E �. ,--? � ; ���a �.., € �-.�.-� I <br />I- <br />^� MIN. ; ! !R-� ., , . �., , , L .., , € <br />i_.! �I W W - I I - I _. I I __ - E -' i= '. I _ -= ° I - ° = 6 _, , != m.i F OUTLET PIPE I , e <br />- 1. ,..➢®, I(�I _. I off., �:�, :EI ,.�E_ �-�€6. �� ,.(i ,��_-..� .�-iil��:��II_� �k:L �I� �i.�,(! 1 I.�I,� i�I�.� �! ,.�. <br />I -ry w_G II !I a I _°I 11i <br />O a k}f ,- 1-w1� i(( €1-.I.,, G,, ,__ II��.�., 1 ,II�fl1-I� <br />n �0 2® Eii""9kP'-{€, ,,i #f( tl€ S,r�iiP Ei! '!Pi kiE t!s '!t@€@""iii�Cs"`1!i"""!I!-"€i�-"!€! i@@ !.I <br />° 24" 0.61 m ddd <br />( ) SIDE BACKFILL: 24" MIN. OF FREE DRAINING <br />.,-,. BASE: 3" MIN. FREE DRAINING BACKFILL (SPEC SECTION BACKFILL (SPEC SECTION 2.03B): STONE <1.5" <br />h 2038) COMPACTED TO 95% STANDARD PROCTOR DENSITY IS <br />1 R-TANKHp UNITS WRAPPED IN 8 OZ. OR SOIL (USCS CLASS GW GP, SW OR SP). _ <br />f' a• REQUIRED * TO PROVIDE A LEVEL BASE SURFACE. MUST BE -' <br />NONWOVEN GEOTEXTILE (OR EQUAL) MUST BE FREE FROM LUMPS, DEBRIS AND TYPE L CATCH BASIN <br />z .. SMOOTH, FREE OF LUMPS OR DEBRIS, AND EXTEND 2' -� " <br />CITY OF EVERE1 <br />; �' LOAD RATING: 33.4 PSI (MODULE ONLY) BEYOND R-TANKHp FOOTPRINT. A BEARING CAPACITY OF OTHER SHARP OBJECTS. SPREAD EVENLY TO .,4 DID, MIN � , <br />r PREVENT R-TANKHp MOVEMENT. COMPACT SIDE 9 ELEVATION� PUSLI WORKS PA a <br />f ` EXCAVATION LINE 2,000 PSF MUST BE ACHIEVED PRIOR TO INSTALLING BACKFILL WITH POWERED MECHANICAL`` <br />R-TANKHp. NATIVE SOILS MAY BE ACCEPTABLE IF DETERMINED € 2ry snzs » ;.` r.F-r k "� ;'% <br />(AND IMPERMEABLE LINER TO BE STABLEBY OWNERCOMPACTOR IN 12" LIFTS. -- a3/1 <br />. 'S ENGINEER, i DETAIL "A: TYPICAL RESTRICTOR INSTALLATION TYPICAL RESTRICTOR <br />IF REQUIRED) <br />d <br />N INSTALLATION <br />41 <br />. d * FOR INFILTRATION APPLICATIONS, BASE SHALL BE 4" MIN. UNCOMPACTED FREE DRAINING BACKFILL (SPEC SECTION 2.036) TO PROVIDE A LEVEL BASE SURFACE. MUST BE SMOOTH, <br />A FREE OF LUMPS OR DEBRIS, AND EXTEND 2' BEYOND R-TANKHp FOOTPRINT. A BEARING CAPACITY OF 2,000 PSF MUST BE ACHIEVED PRIOR TO INSTALLING R-TANKHp. Z TYPICAL RESTRICTOR INSTALLATION <br />\,/ p° C�.1 N.T.S. (CITY OF EVERETT STD. 415) <br />1 R-TANK DETAIL <br />NOT TO SCALE <br />491.67 (OUT) <br />�e <br />r' <br />23LF 12" SD 0 0% <br />a d CB#3 <br />V, CONTROL <br />STRUCTURE <br />z , RIM: 498.42± <br />s % �O IE: 491.67 (IN) <br />IE: 491.67 .(OUT) <br />4 ' <br />Provide, a " drop <br />Provide e " rop from the edge <br />'he d e��� a <br />she e ' ' <br />O <br />pavemem BSA bottom width <br />Edge of cries, V mini num <br />Or CLflrb-cut <br />s>3 <br />" in board <br />aggregate, or sod <br />Sidewalk <br />r <br />` '_49 a 00 <br />w r y 4T P th <br />1 +a+l?° V 11_4 1 I-••---1 P i <br />'?Fie <br />f1 j <br />_ .. _ <br />- _ w,, <br />mulch, <br />- -- . --1 <br />aagreaate, or sod <br />coarse compost <br />I-k in ponding area <br />Mineral e aggregate <br />Mineiral aggregate Underdrain pipe 8" pipe <br />bottom width to match <br />4BIORETENTION <br />C4 1 BOTTOM AREA = 388 SF <br />NOT TO SCALE <br />CA UTION., <br />THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION, <br />DIMENSION, AND DEPTH OF ALL EXISTING UTILITIES WHETHER SHOWN ON THESE <br />PLANS OR NOT, BY POTHOLING THE UTILITIES AND SURVEYING THE HORIZONTAL <br />AND VERTICAL LOCATION PRIOR TO CONSTRUCTION. THIS SHALL INCLUDE <br />CALLING UTILITY LOCATE © 1-800-424-5555 POTHOLING ALL OF THE EXISTING <br />UTILITIES AT LOCATIONS OF NEW UTILITY CROSSINGS TO PHYSICALLY VERIFY <br />WHETHER OR NOT CONFLICTS EXIST. LOCATIONS OF SAID UTILITIES AS SHOWN <br />ON THESE PLANS ARE BASED UPON THE UNVERIFIED PUBLIC INFORMATION AND <br />ARE SUBJECT TO VARIATION. IF CONFLICTS SHOULD OCCUR, THE CONTRACTOR <br />SHALL CONSULT WITH INSIGHT ENGINEERING COMPANY TO RESOLVE ALL <br />PROBLEMS PRIOR TO PROCEEDING WITH CONSTRUCTION. <br />1. MINIMIZE COMPACTION OF THE BASE AND SIDEWALLS OF THE BIORETENTION. <br />2. EXCAVATION SHALL NOT OCCUR IN WET OR SATURATED CONDITIONS <br />3. EXCAVATION SHALL ONLY BE PERFORMED BY MACHINERY OPERATING ADJACENT TO THE <br />BIORETENTION AND NO HEAVY EQUIPMENT WITH NARROW TRACKS, NARROW TIRES, OR <br />LARGE LUGGED HIGH PRESSURE TIRES SHOULD BE ALLOWED ON THE BOTTOM OF THE <br />BIORETENTION. <br />4. A LETTER FROM THE GEOTECHNICAL ENGINEER AND ENGINEER OF RECORD STATING <br />BIORETENTION CELL WERE CONSTRUCTED PER PLAN AND WILL FUNCTION AS DETAILED IN <br />DRAINAGE AND GEOTECHNICAL REPORT IS TO BE PROVIDED TO THE CITY AT FINAL <br />INSPECTION. <br />BIORE TEN TION INSTALLATION SEQ UFNCE <br />1. BIORETENTIONS SHALL BE EXCAVATED DURING CONSTRUCTION. <br />2. AFTER EXCAVATION, PLANTING SOIL MIX SHALL BE INSTALLED AND STABILIZED. <br />3. INSTALL CONSTRUCTION FENCING AROUND BIORETENTIONS TO PROTECT FROM COMPACTION. <br />4. PLANTS SHALL BE INSTALLED AFTER CONSTRUCTION IS COMPLETE, IRRIGATION NEEDS TO BE PROVIDED UNTIL <br />PLANT ESTABLISHMENT. <br />DEFAULT BIORETENTION SOIL MEDIA (BSM) <br />PROJECTS WHICH USE THE FOLLOWING REQUIREMENTSFOR THE BIORETENTION SOIL MEDIA DO NOT <br />E <br />HAVE TO TEST THE MEDIA FOR IT SATURATED HYDRAULIC CONDUCTIVITY (AKA. INFILTRATION RATE). THEY MAY ASSUME THE <br />RATES SPECIFIED IN THE SUBSECTION TITLED "DETERMINING BIORETENTION SOIL <br />MIX INFILTRATION RATE." <br />MINERAL AGGREGATE <br />PERCENT FINES: A RANGE OF 2 TO 4 PERCENT PASSING THE #200 SIEVE IS IDEAL AND FINES SHOULD <br />NOT BE ABOVE 5 PERCENT FOR A PROPER FUNCTIONING SPECIFICATION ACCORDING TO ASTM D422. <br />AGGREGATE GRADATION <br />THE AGGREGATE PORTION OF THE BSM SHOULD BE WELL -GRADED. ACCORDING TO ASTM D 2487- <br />98 (CLASSIFICATION OF SOILS FOR ENGINEERING PURPOSES (UNIFIED SOIL CLASSIFICATION SYSTEM)), <br />WELL -GRADED SAND SHOULD HAVE THE FOLLOWING GRADATION COEFFICIENTS: <br />L COEFFICIENT OF UNIFORMITY (CU = D60/D10) EQUAL TO OR GREATER THAN 4, AND <br />,.COEFFICIENT OF CURVE (CC = (D30)2/D60 X D10) GREATER THAN OR EQUAL TO I AND LESS THAN OR EQUAL TO 3. <br />TABLE V-7.4.1 GENERAL GUIDELINE FOR MINERAL AGGREGATE GRADATION (P.975) PROVIDES A <br />GRADATION GUIDELINE FOR THE AGGREGATE COMPONENT OF A BIORETENTION SOIL MIX SPECIFICATION <br />IN WESTERN WASHINGTON (HINMAN, ROBERTSON, 2007). THE SAND GRADATION BELOW IS OFTEN <br />SUPPLIED AS A WELL -GRADED UTILITY OR SCREENED. WITH COMPOST THIS BLEND PROVIDES ENOUGH <br />FINES FOR ADEQUATE WATER RETENTION, HYDRAULIC CONDUCTIVITY WITHIN RECOMMENDED RANGE <br />(SEE BELOW), POLLUTANT REMOVAL CAPABILITY, AND PLANT GROWTH CHARACTERISTICS FOR MEETING <br />DESIGN GUIDELINES AND OBJECTIVES. <br />F.11-1 . - <br />i <br />1 <br />SIEVE SIZE <br />PERCENT PASSING <br />318" <br />100 <br />#4 <br />95-100 <br />#10 <br />75-90 <br />#40 <br />25-40 <br />#100 <br />44-10 <br />#200 <br />2-5 <br />ELBOW ----- STANDPIPE WALL <br />�, sTu6 vGELDea <br />/ 1-0 STAND Pi PE <br />tt <br />- IN1tERTELEV PER PLANS <br />ORIFICE PLATE WELDED <br />T O STUB. ORIFICE / AND ELBOW TO STUB <br />MACHINE -CUT / WITH REMOVABLE WATER <br />TIGHT COUPLING <br />ALL PARTS TO BE R-6061-T6 ALUMINUM <br />DETAIL "A" SECONDARY ORIFICE <br />ALUMINUM ROD <br />LIFT HANDLE <br />ASSEMBLY <br />r% <br />STAINLESS STEEL <br />BOLTS WITH <br />LOCKING NUTS <br />LIFT GATE & FIFE, <br />SEE DETAIL"B" <br />ALL 1/4" R-6051-T6 <br />>� ALUMINUM <br />J <br />- 8" OR 12", FOR SIZE <br />SEE DETAIL "B" <br />9 <br />--- - WELD GATE -� <br />j ASSEMBLY TO PIPE <br />jhf - UFT'SATE $HALL BE CONSTRUCTED OF: <br />1/4" R-6061-T6 ALUMiNUM WITH CLOSED CELL <br />NEOPRENE PER ASTM 1056-67 CHEMICAL <br />RESISTANT (OIL & GREASE), OZONE RESISTANT, -20° <br />TO 180" F SERVICE TEMPERATURE <br />DETAIL "C" LIFT GATE ASSEMBLY & GATE DETAIL <br />ORIFICE I ' <br />DETAIL "A" <br />ALUIVIINUi; <br />DETAIL "C" <br />INVERT ELE <br />491. <br />WHERE EXISTING SOILS MEET THE ABOVE AGGREGATE GRADATION, THOSE SOILS MAY BE AMENDED <br />RATHER THAN IMPORTING MINERAL AGGREGATE. <br />COMPOST TO AGGREGATE RATIO, ORGANIC MATTER CONTENT, CATION EXCHANGE CAPACITY <br />• COMPOST TO AGGREGATE RATIO: 60-65 PERCENT MINERAL AGGREGATE, 35 - 40 PERCENT COMPOST <br />BY VOLUME. <br />® ORGANIC MATTER CONTENT: 5 -8 PERCENT BY WEIGHT. <br />® CATION EXCHANGE CAPACITY (CEC) MUST BE > 5 MILLIEQUIVALENTS/100 G DRY SOIL NOTE: <br />SOIL MIXES MEETING THE ABOVE SPECIFICATIONS DO NOT HAVE TO BE TESTED FOR CEC. <br />THEY WILL READILY MEET THE MINIMUM CEC. <br />COMPOST <br />TO ENSURE THAT THE BSM WILL SUPPORT HEALTHY PLANT GROWTH AND ROOT DEVELOPMENT, CONTRIBUTE <br />TO BIOFILTRATION OF POLLUTANTS, AND NOT RESTRICT INFILTRATION WHEN USED IN THE PROPORTIONS <br />CITED HEREIN, THE FOLLOWING COMPOST STANDARDS ARE REQUIRED. <br />MEETS THE DEFINITION OF "COMPOSTED MATERIAL" IN WAC 173-350-100 AND COMPLIES <br />WITH TESTING PARAMETERS AND OTHER STANDARDS IN WAC 173-350-220. <br />® PRODUCED AT A COMPOSTING FACILITY THAT IS PERMITTED BY THE JURISDICTIONAL HEALTH <br />AUTHORITY. PERMITTED COMPOST FACILITIES IN WASHINGTON ARE INCLUDED ON A LIST AVAILABLE <br />AT HTTP://WWW.E.CY. WA. GOV/PROGRAMS/SWFAfORGANICS•/SOILHTML <br />® THE COMPOST PRODUCT MUST ORIGINATE A MINIMUM OF 65 PERCENT BY VOLUME FROM <br />RECYCLED PLANT WASTE COMPRISED OF "YARD DEBRIS,""CROP RESIDUES,"AND "BULKING <br />AGENTS" AS THOSE TERMS ARE DEFINED IN WAC 173-350-100, A MAXIMUM OF 35 PERCENT <br />BY VOLUME OF "POST -CONSUMER FOOD WASTE"AS DEFINED IN WAC 173-350-100, BUT NOT INCLUDING <br />BIOSOLIDS, MAY BE SUBSTITUTED FOR RECYCLED PLANT WASTE. <br />® STABLE (LOW OXYGEN USE AND CO2 GENERATION) AND MATURE (CAPABLE OF SUPPORTING PLANT GROWTH) BY <br />TESTS SHOWN BELOW. THIS IS CRITICAL TO PLANT SUCCESS IN A BIORETENTION SOIL MIXES. <br />® MOISTURE CONTENT RANGE: NO VISIBLE FREE WATER OR DUST PRODUCED WHEN HANDLING THE MATERIAL. <br />® TESTED IN ACCORDANCE WITH THE U.S. COMPOSTING COUNCIL "TEST METHOD FOR THE EXAMINATION OF COMPOST <br />AND COMPOSTING" (TMECC), AS ESTABLISHED IN THE COMPOSTING COUNCIL'S "SEAL OF TESTING <br />ASSURANCE" (STA) PROGRAM. MOST WASHINGTON COMPOST FACILITIES NOW USE THESE TESTS. <br />OVERFLOW EL=495,21 <br />OPTIONAL NOTCH WEIR ORIFICE <br />EL=494.71, LENGTH=0.042 <br />RESTRICTOR UNITSHALL BE <br />CONSTRUCTED OF CORRUGATED <br />ALUIV INUM PINE ALCLAD 3004. H34, <br />ASSFITO M 197-82(1986) OR EQUAL, <br />GA.LV,AN17ED STEEL WILL NOT BE <br />PERMITTED. <br />INVERT ELEV PER PLANS 491.67 <br />RESTRICTOR PLATE WITH ORIFICE <br />DIA=D 5Z <br />DIM <br />DESCRIPTION <br />SIZE <br />A <br />OUTLET <br />18" AND SMALLER <br />2 ". AND ?LARGER <br />B <br />CLEAN OUT <br />3 ID <br />ZL ID <br />C <br />GATE SIZE <br />3" OPENING <br />12" OPENING <br />D <br />ANGLE <br />Y4z°i <br />34°r <br />DETAIL "B" TYPICAL RESTRICTOR ASSEMBLY <br />LIFT GATE ASSEMBLY &SECONDARY ORIFICE DETAIL <br />N.T.S. (CITY OF EVERETT STD. 416) <br />® SCREENED TO THE FOLLOWING SIZE GRADATIONS FOR FINE COMPOST WHEN TESTED IN ACCORDANCE WITH <br />TMECC TEST METHOD 02.02-B, SAMPLE SIEVING FOR AGGREGATE SIZE CLASSIFICATION." <br />m FINE COMPOST SHALL MEET THE FOLLOWING GRADATION BY DRY WEIGHT <br />® MINIMUM PERCENT PASSING 2": 100% <br />® MINIMUM PERCENT PASSING 1": 99% <br />• MINIMUM PERCENT PASSING 5/8": 90% <br />® MINIMUM PERCENT PASSING %": 75% <br />® PH BETWEEN 6.0 AND 8.5 (TMECC 04.11-A). "PHYSICAL CONTAMINANTS" (AS DEFINED IN <br />WAC 173 350 100) CONTENT LESS THAT 1 % BY WEIGHT (TMECC 03.08-A) TOTAL, NOT TO EXCEED 0.25 <br />PERCENT FILM PLASTIC BY DRY WEIGHT. <br />• MINIMUM ORGANIC MATTER CONTENT OF 40% (TMECC 05.07-A "LOSS ON IGNITION) <br />• SOLUBLE SALT CONTENT LESS THAN 4.0 DS/M (MMHOS/CM) (TMECC 04,10-A "ELECTRICAL <br />CONDUCTIVITY, 1:5 SLURRY METHOD, MASS BASIS'') <br />® MATURITY INDICATORS FROM A CUCUMBER BIOASSAY (TMECC 05.05-A "SEEDLING EMERGENCE AND RELATIVE <br />GROWTH ) MUST BE GREATER THAN 80%FOR BOTH EMERGENCE AND VIGOR') <br />® STABILITY OF 7 MG CO2-CIG OM/DAY OR BELOW (TMECC 05.08-B "CARBON DIOXIDE EVOLUTION RATE') <br />® CARBON TO NITROGEN RATIO (TMECC 05.02A "CARBON TO NITROGEN RATIO" WHICH USES 04.01 "ORGANIC <br />CARBON"AND 04.02D "TOTAL NITROGEN BY OXIDATION") OF LESS THAN 25:1. THE C:N RATIO MAY BE UP <br />TO 35:1 FOR PLANTINGS COMPOSED ENTIRELY OF PUGET SOUND LOWLAND NATIVE SPECIES AND UP TO 40:1 <br />FOR COARSE COMPOST TO BE USED AS A SURFACE MULCH (NOT IN A SOIL MIX). <br />u <br />YV ,, ,do- ; <br />� fi <br />Y <br />L�S��se iv <br />c <br />!= - 1� d, <br />1 ,� E T:..vING <br />I� U' <br />Vct E'E2;'t''•'au ryN On T iv <br />a� ,F _7. P ,, ram! T <br />'� <br />AND <br />TrZA <br />L, <br />r i I � �B�➢ct�o <br />