HomeMy WebLinkAbout21b_16107 2016-02-05 (Weston) Mitigation PlanNE 7TH PLNILE AVE NE
DATE:JOB NUMBER:DESIGN BY:DRAWN BY:CHECK BY:Planting Plan, Plant Schedule,& NotesSHEET:1 OF 2 02/05/2016 16‐107 ES EARC ESNO. DATE NOTES
Sewall Wetland Consulting, Inc.
PO Box 880 ‐ Fall City, Washington 98024 Phone: 253‐859‐0515SITE PLAN REFERENCES:1. SITE SURVEY AND PRELIMINARY PLAT PLANS WERE PROVIDED BYSITE DEVELOPMENT ASSOCIATES (1724 W. MARINE VIEW DRIVE#140 ‐ EVERETT, WASHINGTON 98201) TO PREPARE THESEDRAWINGS. SITE SURVEY AND PRELIMINARY PLAT PLANS WEREMODIFIED FOR VISUAL ENHANCEMENT.2. VERTICAL DATUM: NAVD 88 PER CITY OF RENTON VERTICALCONTROL.3. BASIS OF BEARINGS: NAD 83‐91.A PORTION OF THE NW 14 OF THE SW 14 OF SECTION 11, TOWNSHIP 23 NORTH, RANGE 5 EAST, W.M.702 NILE AVENUE NE ‐ KING COUNTY TAX PARCEL #112305‐900211CRITICAL AREA MITIGATION SITE PLANSCALE = 1:40NCATEGORY III WETLANDFORESTED(866 SF WETLAND AREA ON‐SITE)SOIL DECOMPACTION AND AMENDMENT SPECIFICATIONS:PRIOR TO PLANT INSTALLATION, DECOMPACT AND AMEND SOILS IN THE SHADED AREAS SHOWN IN THIS DETAIL PERTHE FOLLOWING SPECIFICATIONS:MECHANICALLY DECOMPACT SOIL TO A MINIMUM DEPTH OF 12 INCHES.APPLY 4 INCHES OF ORGANIC COMPOST COMPRISING CEDAR GROVE COMPOSTING "BUILDERS BLEND"(WWW.CEDAR‐GROVE.COM; 1‐877‐SOILS4U) OR APPROVED EQUAL TO THE GRADED AREA.UNIFORMLY TILL IN COMPOST TO ACHIEVE A UNIFORM MIXTURE OF EXISTING SOIL AND COMPOST WITHIN THEUPPER 8 INCHES OF THE DECOMPACTED SOIL.RAKE/GRADE FINAL SURFACE TO PROVIDE A UNIFORM APPEARANCE.APPLY 6" MULCH TO ALL DECOMPACTED AND/OR AMENDED SOIL. SEE MULCH SPECIFICATIONS DETAIL 2‐X.325426123456CRITICAL AREA SITE PLAN NOTES:SOFT SURFACE PATH (DESIGN BY OTHERS).PROVIDE GAP IN CRITICAL AREA FENCE FOR PATHCLEARING LIMITS PER TESC PLAN (DESIGN BY OTHERS).DECOMPACT AND AMEND SOILS PER SPECIFICATIONS IN DETAIL 4.INSTALL CRITICAL FENCE AND SIGNAGE AT BUFFER LIMITS (330 LF;5 SIGNS). SEE DETAIL 2‐1 AND DETAIL 2‐2.INSTALL NATIVE PLANTS THROUGHOUT ON‐SITE BUFFER. SEEDETAIL 2.RECOMMENDED CONSTRUCTION SEQUENCE:1. REQUEST AND ATTEND PRE‐CONSTRUCTION MEETING WITHOWNER.2. DECOMPACT AND AMEND SOILS (SEE DETAIL 3).3. INSTALL NATIVE PLANTS (SEE DETAIL 2).4. INSTALL MULCH (SEE DETAIL 2‐3).5. INSTALL CRITICAL AREA FENCE AND SIGNAGE (DETAIL 2‐1 ANDDETAIL 2‐2).6. MAINTAIN AND MONITOR MITIGATION FOR 5 YEARS (SEE SHEET 2).GENERAL CONSTRUCTION NOTES:1. CONSTRUCTION SHALL BE IN ACCORDANCE WITH ALL CITY OFRENTON CODES, ORDINANCES, AND REGULATIONS.2. BEFORE THE START OF ANY CONSTRUCTION, A PRE‐CONSTRUCTIONMEETING MUST BE HELD BETWEEN CITY OF RENTON, THE OWNER,AND THE PLAN DESIGNER.3. A COPY OF THESE APPROVED DRAWINGS MUST BE ON THE JOBSITE WHENEVER CONSTRUCTION IS IN PROGRESS.4. SITE CONDITIONS MAY VARY BASED ON SEASON AND/OR TIME OFYEAR. THE CONSTRUCTION CONTRACTOR SHALL ACCOMMODATEREALIZED AND ANTICIPATED SITE CONDITIONS WHEN COMPLETINGTHE WORK SHOWN ON THESE DRAWINGS.5. THE CONSTRUCTION CONTRACTOR SHALL BE RESPONSIBLE FORPROVIDING ADEQUATE SAFEGUARDS, SAFETY DEVICES,PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDEDACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THEPUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THEPERFORMANCE OF THE WORK SHOWN ON THESE DRAWINGS. ANYWORK WITHIN THE TRAVELED RIGHT‐OF‐WAY THAT MAYINTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE TRAFFICCONTROL IN ACCORDANCE WITH ANY AND ALL CITY OF RENTONSTANDARDS.21PLANTING PLANSCALE = 1:20COMMON NAME SCIENTIFIC NAME SIZE/FORM QTY SPACINGBIGLEAF MAPLEACER MACROPHYLLUM 2 GALLON CONTAINERIZED 50 AS‐SHOWNDOUGLAS‐FIRPSEUDOTSUGA MENZIESII 2 GALLON CONTAINERIZED 78 AS‐SHOWNWESTERN REDCEDARTHUJA PLICATA 2 GALLON CONTAINERIZED 19 AS‐SHOWN TOTAL TREES = 147VINE MAPLEACER CIRCINATUM2 GALLON CONTAINERIZED 30 AS‐SHOWNWESTERN SERVICEBERRYAMELANCHIER ALNIFOLIA2 GALLON CONTAINERIZED 49 AS‐SHOWNBLACK HAWTHORNCRATAEGUS DOUGLASII2 GALLON CONTAINERIZED 30 AS‐SHOWNOCEANSPRAYHOLODISCUS DISCOLOR2 GALLON CONTAINERIZED 50 AS‐SHOWNREDFLOWER CURRANTRIBES SANGUINEUM2 GALLON CONTAINERIZED 50 AS‐SHOWNBALDHIP ROSEROSA GYMNOCARPA2 GALLON CONTAINERIZED 57 AS‐SHOWNCOMMON SNOWBERRYSYMPHORICARPOS ALBUS2 GALLON CONTAINERIZED 88 AS‐SHOWN TOTAL SHRUBS = 354SHRUBSTREESPLANT MATERIAL SOURCE AND SPECIFICATIONS:PLANTS SHALL BE DERIVED FROM STOCK ACCLIMATED TO WESTERN WASHINGTON ENVIRONMENTAL CONDITIONS, HAVING BEENCONSISTENTLY CULTIVATED AND GROWN UNDER SIMILAR CONDITIONS. ACCEPTABLE PLANT SUPPLIERS INCLUDE STORM LAKE GROWERS(WWW.SLGROWERS.COM), SOUND NATIVE PLANTS (WWW.SOUNDNATIVEPLANTS.COM), OR APPROVED EQUAL.PLANTS SHALL BE NATIVE TO THE PACIFIC NORTHWEST, PREFERABLY THE PUGET SOUND REGION OF WASHINGTON STATE. PLANTS SHALL BEPROPAGATED FROM NATIVE STOCK; NO CULTIVARS OR HORTICULTURAL VARIETIES ARE ALLOWED. SALVAGED PLANTS ARE NOT ACCEPTABLE.PLANTS SHALL BE NORMAL IN PATTERN OF GROWTH, HEALTHY, WELL‐BRANCHED AND HAVE ALL LEADERS AND BUDS INTACT. TREES SHALLNOT HAVE SUNSCALDS, DISFIGURING KNOTS, FRESH CUTS OF LIMBS, DAMAGED LEADERS, AND/OR DEFORMED TRUNKS.CONTAINERIZED PLANT STOCK SHALL BE GROWN IN A CONTAINER LONG ENOUGH TO DEVELOP A ROOT SYSTEM THAT REACHES THE EDGES OFTHE CONTAINER IN WHICH IT HAS GROWN. TREES AND SHRUBS SHALL BE WELL ROOTED AND SHALL HAVE SUFFICIENT ROOT MASS TO HOLDTOGETHER THE SOIL, IN WHICH PLANT IS GROWING, WHEN REMOVED FROM THE POT.NPLANTING PLAN NOTES:1. PROTECT AND ACCOMMODATE EXISTING NATIVE VEGETATION WITHIN WORK AREAS.2. PRIOR TO PLANT INSTALLATION, DECOMPACT AND AMEND SOILS PER DETAIL 3.3. PLANT MATERIAL QUALITY AND LOCATIONS SHALL BE INSPECTED BY PLAN DESIGNER PRIOR TO INSTALLATION.4. PLANT LOCATIONS SHOWN ARE APPROXIMATE. ADJUST PLANT LOCATIONS TO ACCOMMODATE SITECONDITIONS AND/OR PER PLAN DESIGNER AT THE TIME OF INSTALLATION.5. SEE SHEET 2 FOR PLANT INSTALLATION DETAILS AND SPECIFICATIONS.6. FOLLOWING PLANT INSTALLATION, PLACE MULCH AT THE BASE OF PLANTS PER DETAIL 2‐3.TEMPORARY IRRIGATION REQUIREMENTS:TEMPORARY IRRIGATION SHALL BE PROVIDED FOR TWO (2) GROWING SEASONS FOLLOWINGPLANT INSTALLATION. IRRIGATION SHALL BE PROVIDED BY AN ABOVE GROUND AUTOMATICSPRINKLER OR AUTOMATIC DRIP IRRIGATION AND SHALL PROVIDE A MINIMUM RAINFALLEQUIVALENT OF 1 INCH PER WEEK FROM JUNE 15 THROUGH SEPTEMBER 15. IRRIGATION SHALL BEAPPLIED IN A MANNER THAT MAINTAINS PLANT HEALTH, PREVENTS WILTING, AND PROMOTESDEEP PLANT ROOT SYSTEMS.Know what'sRUNDERGROUND UTILITY LOCATIONS SHOWN AREAPPROXIMATE.UTILITY LOCATIONS AND CHARACTERISTICS SHOWNON THIS DRAWING, IF ANY, ARE BASED ON THE FIELDLOCATION OF THE APPARENT SURFACE EVIDENCE OFEXISTING STRUCTURES. THE UNDERGROUNDROUTING AND CONDITION OF BURIED UTILITIES HASNOT BEEN VERIFIED OR CONFIRMED. ADDITIONALUTILITY LOCATION AND MAPPING MAY BEREQUIRED. FIELD LOCATE, VERIFY DEPTH OF, ANDADEQUATELY PROTECT ALL UTILITIES PRIOR TO THESTART OF WORK.31SOIL DECOMPACTION AND AMENDMENT PLANSCALE = 1:40NWESTERN REDCEDAR(THUJA PLICATA) ‐ TYPVINE MAPLE(ACER CIRCINATUM) ‐ TYPDOUGLAS‐FIR(PSEUDOTSUGA MENZIESII) ‐ TYPBALDHIP ROSE(ROSA GYMNOCARPA) ‐ TYPCOMMON SNOWBERRY(SYMPHORICARPOS ALBUS) ‐ TYPREDFLOWER CURRANT(RIBES SANGUINEUM) ‐ TYPWESTERN SERVICEBERRY(AMELANCHIER ALNIFOLIA) ‐ TYPBIGLEAF MAPLE(ACER MACROPHYLLUM) ‐ TYPBLACK HAWTHORN(CRATAEGUS DOUGLASII) ‐ TYPOCEANSPRAY(HOLODISCUS DISCOLOR) ‐ TYPPLANTED AREA = 12,206 SFSOIL DECOMPACTION/AMENDMENT AREA = 4,877 SFPLANTED AREA REQ'D PER STD SPACING PER PLANBUFFER ENHANCEMENT 147 TREES (9' OC) 147 TREES (12,206 SF) 342 SHRUBS (6' OC) 354 SHRUBSPLANT QUANTITY CALCULATIONS (FOR PERMITTING PURPOSES):TESC NOTES:1. REFER TO SITE TESC PLAN (DESIGN BY OTHERS). ADJUST, AMEND, AND/OR ADD TO THE TESC MEASURES TOACCOMMODATE SITE AND WEATHER CONDITIONS AND/OR AS OTHERWISE DIRECTED BY OWNER AND/OR THE CITYOF RENTON.PROJECT:
CRITICAL AREA MITIGATION PLAN
‐ PLAT OF WESTON NORTH ‐
SITE ADDRESS:CLIENT:
702 NILE AVENUE NE WESTON HEIGHTS, LLC
RENTON, WASHINGTON 15 LAKE BELLEVUE, STE #102
PARCEL NO. 112305‐9002 BELLEVUE, WASHINGTON 98005 1
DATE:JOB NUMBER:DESIGN BY:DRAWN BY:CHECK BY:Details,Maintenance &Monitoring PlanSHEET:2 OF 2 02/05/2016 16‐107 ES EARC ESNO. DATE NOTES
Sewall Wetland Consulting, Inc.
PO Box 880 ‐ Fall City, Washington 98024 Phone: 253‐859‐0515
PROJECT:
CRITICAL AREA MITIGATION PLAN
‐ PLAT OF WESTON NORTH ‐
SITE ADDRESS:CLIENT:
702 NILE AVENUE NE WESTON HEIGHTS, LLC
RENTON, WASHINGTON 15 LAKE BELLEVUE, STE #102
PARCEL NO. 112305‐9002 BELLEVUE, WASHINGTON 98005 NATIVE SOIL58" MINUS CRUSHED ROCKBACKFILL. COMPACT TO 95%MIN. DENSITYMOUND TODRAIN AWAYFROM POST6" MIN. DIA. SQUARE ORROUND ROUGH CUT WOODPOST ‐ UNTREATED (TYP)5" MIN. DIA. ROUGHCUT WOOD RAIL ‐UNTREATED (TYP)10' MAX3' MIN.12" ‐ 18"2' MIN.CRITICAL AREA FENCE INSTALLATION NOTES:1. FENCE SHALL BE COMMERCIALLY AVAILABLE POST AND RAIL SYSTEM PER THE MIN.SPECIFICATIONS SHOWN IN THIS DETAIL.2. WOOD SHALL BE WESTERN REDCEDAR OR EQUAL.NON‐BUFFERCRITICAL AREABUFFERCRITICAL AREA FENCECRITICAL AREA SIGNEVERY 100 LF OR 1 PERLOT/TRACT, WHICHEVERIS GREATER.12CRITICAL AREA FENCE INSTALLATION DETAILNO SCALECRITICAL AREA SIGNCRITICAL AREA SIGN NOTES:1. SIGN CONTENT, COLOR, AND MATERIAL SHALL CONFORM TO CITY OF RENTONSTANDARDS.2. SIGNS SHALL BE POSTED AT THE OUTER LIMITS OF THE CRITICAL AREA (WETLAND ORSTREAM) BUFFER FACING AWAY FROM THE CRITICAL AREA.3. SIGNS SHALL BE POSTED EVERY 100 LF OR 1 PER LOT/TRACT, WHICHEVER IS GREATER.4. ATTACH TO FENCE USING 5/16" DIA. GALVANIZED LAG BOLT. IF POST IS USED, SET POSTA MINIMUM OF 3' BELOW GRADE. POST SHALL BE SET IN CONCRETE.5. IF SIGN PLASTIC, GLUE SIGN TO 1/2" CDX PLYWOOD PRIOR TO ATTACHING TO FENCE.12"18"22CRITICAL AREA SIGN DETAILNO SCALE32TREE AND SHRUB INSTALLATION DETAILSNO SCALEPLAN GOALS, OBJECTIVES, AND PERFORMANCE STANDARDS:PLAN GOALS, OBJECTIVES, AND PERFORMANCE STANDARDS ARE OUTLINED INTHE TABLE BELOW. THE GOALS AND OBJECTIVES OF THIS PLAN ARE CONSIDEREDACHIEVED WHEN THE PERFORMANCE STANDARDS ARE SATISFIED.MONITORING PLAN (DURATION = 5 YEARS):AS‐BUILTSCHEDULE: IMMEDIATELY FOLLOWING CONSTRUCTIONFOLLOWING COMPLETION OF THE WORK SHOWN ON THIS PLAN, A QUALIFIEDPROFESSIONAL SHALL PREPARE AN AS‐BUILT OF THE WORK COVERED BY THISPLAN. THE AS‐BUILT SHALL SUMMARIZE THE COMPLETED WORK AS WELL ASANY DEVIATIONS FROM THE APPROVED VERSION OF THIS PLAN.IN ADDITION TO THE AS‐BUILT, BASELINE MONITORING DATA SHALL BECOLLECTED AND PERMANENT PHOTO POINTS SHALL BE ESTABLISHED. BASELINEMONITORING DATA AND PHOTOGRAPHS SHALL BE CONSISTENT WITH THATDESCRIBED FOR "ANNUAL MONITORING" (SEE BELOW).THE AS‐BUILT AND BASELINE MONITORING DATA SHALL BE SUBMITTED TO THECITY OF RENTON NO LATER THAN 30 DAYS FROM THE DATE THAT THE WORKSHOWN ON THIS PLAN HAS BEEN COMPLETED.ANNUAL MONITORING (5 YEARS)SCHEDULE: QUARTERLY DURING THE FIRST YEAR FOLLOWING PLANTINSTALLATION AND THEN ANNUALLY FOR 4 ADDITIONAL YEARS.FOLLOWING ACCEPTANCE OF THE AS‐BUILT, ANNUAL MONITORING SHALL BECOMPLETED FOR A PERIOD OF FIVE (5) YEARS. ANNUAL MONITORING SHALL BECOMPLETED BY A QUALIFIED PROFESSIONAL AND SHALL COMPRISE DETAILEDSITE ASSESSMENTS AND REPORTING PER THE FOLLOWING SCHEDULE:QUARTERLY DURING THE FIRST YEAR (YEAR 1) FOLLOWING INITIAL PLANTINSTALLATION; ANDIN AUGUST OR SEPTEMBER OF THE SECOND THROUGH FIFTH YEARS (YEAR2 THROUGH YEAR 5) FOLLOWING INITIAL PLANT INSTALLATION.EACH DETAILED SITE ASSESSMENT SHALL TO EVALUATE SITE CONDITIONS PERTHE CURRENT YEAR'S PERFORMANCE STANDARDS. THE FOLLOWINGINFORMATION SHALL BE COLLECTED AND ASSESSED RELATIVE TO THEPERFORMANCE STANDARDS ESTABLISHED FOR THE PROJECT:THE PERCENT SURVIVAL OF INSTALLED PLANT STOCK (YEAR 1 THROUGHYEAR 2 ONLY). A DIRECT COUNT INVENTORY AND ASSESSMENT OF ALLINSTALLED PLANTS SHALL BE USED TO EVALUATE PERCENT SURVIVAL. THERATIONALE FOR POOR CONDITIONS, IF PRESENT, WILL BE DETERMINED TOTHE EXTENT FEASIBLE.THE PERCENT COVERAGE PROVIDED BY INSTALLED PLANT SPECIES (ALLYEARS). INSTALLED PLANT STOCK PERCENT COVERAGE SHALL BEASSESSED USING APPROPRIATELY SIZED SAMPLE PLOTS OR LINEINTERCEPT TRANSECTS.THE SPECIES COMPOSITION OF AND PERCENT COVERAGE PROVIDED BYNOXIOUS WEED SPECIES (ALL YEARS). SPECIES COMPOSITION ANDPERCENT COVERAGE BY NOXIOUS WEEDS SHALL BE ASSESSED USINGSAMPLE PLOTS OR LINE INTERCEPT TRANSECTS .IN ADDITION TO THE DATA COLLECTION AND ANALYSIS REGARDING PLANTCOMMUNITY CONDITIONS, PHOTOGRAPHS OF EACH WORK AREA SHALL BETAKEN FROM THE PERMANENT PHOTO POINTS ESTABLISHED DURING THEAS‐BUILT.QUARTERLY MONITORING REPORTS SHALL BE SUBMITTED TO THE CITY OFRENTON NO LATER THAN 30 DAYS FOLLOWING EACH MONITORINGASSESSMENT.ANNUAL MONITORING REPORTS SHALL BE SUBMITTED TO THE CITY OF RENTONNO LATER THAN OCTOBER 31 OF THE RESPECTIVE MONITORING YEAR.CONTINGENCY PLAN:SHOULD ANY COMPLIANCE MONITORING ASSESSMENT REVEAL THAT THEPERFORMANCE STANDARDS FOR THE RESPECTIVE YEAR ARE NOT SATISFIED, THEPERMITTEE SHALL WORK WITH THE CITY OF RENTON TO DEVELOP A CONTINGENCYPLAN TO ADDRESS THE DEFICIENCY(IES). CONTINGENCY PLANS CAN INCLUDE, BUTARE NOT LIMITED TO, THE FOLLOWING ACTIONS:1. ADDITIONAL PLANT INSTALLATION;2. EROSION CONTROL;3. HERBIVORY PROTECTION;4. MODIFICATION TO THE IRRIGATION REGIME; AND/OR5. PLANT SUBSTITUTIONS OF TYPE, SIZE, QUANTITY, AND LOCATION.SUCH CONTINGENCY PLAN SHALL BE SUBMITTED TO THE CITY OF RENTON BYJANUARY 31 OF ANY YEAR WHEN DEFICIENCIES ARE DISCOVERED. UNLESSOTHERWISE APPROVED BY THE CITY OF RENTON, ACTIONS SPECIFIED ON ANAPPROVED CONTINGENCY PLAN MUST BE COMPLETED WITHIN 60 DAYS. IF THEFAILURE IS SUBSTANTIAL, THE CITY OF RENTON MAY EXTEND THE COMPLIANCEMONITORING PERIOD FOR THE WORK SHOWN ON THESE DRAWINGS.MAINTENANCE PLAN:THIS SECTION PROVIDES A GENERAL OVERVIEW OF THE MAINTENANCE PROGRAMNECESSARY TO ENSURE THE PERFORMANCE STANDARDS ESTABLISHED FOR THISPLAN ARE ACHIEVED.NOXIOUS WEED CONTROLFOLLOWING PLANT INSTALLATION AND AT REGULAR INTERVALS DURING THEMONITORING PERIOD, NOXIOUS WEED CONTROL SHALL OCCUR ON A SPOTTREATMENT BASIS WITHIN EACH WORK AREA.TARGET NOXIOUS WEED SPECIES SHALL INCLUDE THE FOLLOWING: ALL CLASS "A","B", AND "C" NOXIOUS WEEDS (INCLUDING NON‐REGULATED "B" AND "C" NOXIOUSWEEDS) IDENTIFIED ON THE LATEST KING COUNTY NOXIOUS WEED LIST.NOXIOUS WEED CONTROL WORK SHALL CONSIST OF THE CUTTING AND REMOVALFROM THE SITE OF ALL NOXIOUS WEED SPECIES STEMS, CANES, RUNNERS, SHOOTS,SEED PODS, FRUITING BODIES, AND LEAVES PER THE FOLLOWING METHODS:1. HAND PULLING.2. MANUALLY CUTTING USING MACHETES, LOPPERS, AND/OR CLIPPERS.SPOT TREATMENT SHALL OCCUR MONTHLY AND/OR AT A GREATER FREQUENCY, IFNECESSARY, TO CONTROL NOXIOUS WEED SPECIES TO A MAXIMUM OF 10% OR LESSCOVERAGE.DURING ALL NOXIOUS WEED CONTROL WORK, EXISTING OR PLANTING NATIVEVEGETATION SHALL BE PROTECTED FROM DAMAGE.GENERAL MAINTENANCEEACH WORK AREA SHALL BE MAINTAINED AT REGULAR INTERVALS DURING THEMONITORING PERIOD TO PROMOTE THE SUCCESSFUL ESTABLISHMENT ANDVIGOROUS GROWTH OF THE INSTALLED PLANT STOCK.GENERAL MAINTENANCE SHALL INCLUDE:1. WEEDING THE BASE OF INSTALLED PLANTS.2. RE‐APPLYING BARK MULCH TO MAINTAIN A 6" MINIMUM APPLIEDTHICKNESS ‐ YEAR 1 ONLY.3. THE PRUNING OF INSTALLED PLANTS TO REMOVE DEAD WOOD ANDPROMOTE VIGOROUS PLANT GROWTH AND PROPER FORM.4. THE REPLACEMENT OF PLANTS THAT APPEAR TO BE IN DISTRESS AND/ORDISEASED.5. THE REMOVAL OF TRASH, LITTER, AND/OR OTHER NON‐DECOMPOSINGDEBRIS.GENERAL MAINTENANCE WORK SHALL OCCUR MONTHLY DURING THE GROWINGSEASON AND/OR AT A FREQUENCY OTHERWISE NECESSARY TO ENSURE THESUCCESSFUL ESTABLISHMENT AND VIGOROUS GROWTH OF THE INSTALLED PLANTSAND/OR THE CONTROL OF NOXIOUS WEEDS.TEMPORARY IRRIGATIONTEMPORARY IRRIGATION SHALL BE PROVIDED FOR TWO (2) GROWING SEASONSFOLLOWING PLANT INSTALLATION. IRRIGATION SHALL BE APPLIED PER THESPECIFICATIONS DESCRIBED ON SHEET 1.MONITORING & MAINTENANCE PLANPLAN GOALS, OBJECTIVES, MONITORING SCHEDULE, & PERFORMANCE STANDARDSGOALTO SUCCESSFULLY ENHANCE ON‐SITECRITICAL AREA BUFFER.TO LIMIT NOXIOUS WEED SPECIESWITHIN ON‐SITE CRITICAL AREABUFFER.OBJECTIVETO INSTALL AND SUCCESSFULLYESTABLISH NATIVE PLANTINGS(TREES AND SHRUBS) WITHINCRITICAL AREA BUFFER.TO PROVIDE FULL INITIALCONTROL OF NOXIOUS WEEDSPECIES AND THEN TO MINIMIZETHE GENERAL PRESENCE OFNOXIOUS WEED SPECIES.PERFORMANCE STANDARDS100% SURVIVAL BY INSTALLED PLANTS AFTER THE FIRSTGROWING SEASON. THIS STANDARD CAN BE MET THROUGHPLANT ESTABLISHMENT OR REPLANTING, AS NECESSARY, TOACHIEVE THE REQUIRED PLANT NUMBERS.85% SURVIVAL BY INSTALLED PLANTS AFTER THE SECONDGROWING SEASONS.60% AVERAGE COVERAGE BY NATIVE WOODY PLANT SPECIESAFTER THE FIFTH GROWING SEASON. UP TO 20% OF THENATIVE WOODY PLANT SPECIES COVERAGE MAY BECOMPRISED OF DESIRABLE NATIVE COLONIZING SPECIES.LESS THAN 10% COVERAGE BY ALL CLASS "A", "B", AND "C"NOXIOUS WEEDS (INCLUDING NON‐REGULATED "B" AND "C"NOXIOUS WEEDS AND "WEEDS OF CONCERN") IDENTIFIEDON THE LATEST KING COUNTY NOXIOUS WEED LIST. SCHEDULE YEAR 1: QUARTERLYYEARS 2, 3, 4, & 5: LATE SUMMERYEAR 1: QUARTERLYYEARS 2, 3, 4, & 5: LATE SUMMERNATIVE SOILCUT CIRCLING ROOTSAND SPREAD OR"BUTTERFLY" ROOTBALL. MIN. 1.5 TIMES THEWIDTH OF THE ROOTBALLBACKFILL WITH NATIVESOIL. COMPACT BY HAND.PLACE TOP OF ROOTBALL1 INCH ABOVE THE LEVELOF NATIVE SOIL. BEFOREMULCH, POTTING SOILSHOULD BE VISIBLE.PLACE 1 FOOT RADIUS MULCHCIRCLE AT BASE OF INSTALLEDPLANT. MULCH DEPTH =MINIMUM 6 INCHES.PLACE TOP OF ROOTBALL1 INCH ABOVE THE LEVELOF NATIVE SOIL. BEFOREMULCH, POTTING SOILSHOULD BE VISIBLE.PLACE 1 FOOT RADIUS MULCHCIRCLE AT BASE OF INSTALLEDPLANT. MULCH DEPTH =MINIMUM 6 INCHES.NATIVE SOILBACKFILL WITH NATIVESOIL. COMPACT BY HAND. MIN. 1.5 TIMES THEWIDTH OF THE ROOTBALLMULCH SPECIFICATION:MULCH SHALL BE COMMERCIALLY AVAILABLE "DOT WOOD CHIP MULCH"(WWW.PACIFICTOPSOILS.COM; 425‐337‐2700), ARBORIST CHIPS, OR APPROVED EQUAL.MULCH SHALL NOT CONTAIN RESIN, TANNIN, OR OTHER COMPOUNDS IN QUANTITIESTHAT WOULD BE DETRIMENTAL TO PLANT LIFE. MULCH SHALL NOT BE DERIVED FROMSTUMP GRINDINGS AND SHALL NOT CONTAIN SOIL. HOG FUEL OR EQUAL IS NOTACCEPTABLE. SUBJECT TO REVIEW BY THE PLAN DESIGNER, LOCAL ARBORIST AND/ORCOMMERCIAL TREE TRIMMING COMPANIES MAY BE ALTERNATIVE ACCEPTABLE MATERIALSOURCES (WWW.CHIPDROP.IN).SPECIAL NOTE:MULCH SHALL BE APPLIED TO ALLDECOMPACTED AND/OR AMENDED SOILSTO A MIN. DEPTH OF 6 INCHES.