HomeMy WebLinkAboutLandscape_Set_Aug_4_2017_review comments planningPROPOSED SHELL ST
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'++JJJJcc@@@rrrLLLc@@rLLLJJJcc4.5'(w) LANDSCAPEBUFFER (BED: 170 s.f.)4.3'(w) LANDSCAPEBUFFER (BED: 100 s.f.)JJJJJc1-CV2-CV3-JS3-JS2-HSLLJ@@2-AM1-PN2-JS2-BTLOW SHRUBS & GROUNDCOVERTO MAINTAIN SIGHT VISIBILITY FORPARKED CAR (BACKING UP)SS, 22 s.f.SS, 50 s.f.2-LA1-JS3-BT3-BT2-PA5-JSSS, 35 s.f.SS, 35 s.f.rrr3-RH1-PP3-LA2-PMSS, 14 s.f.1-CV1-CV1-BT2-PM4-HS1-PPSS,30 sfTS,27 sf3-AM1-BT3-LA1-PM1-BT3-RHTS,27 sf1-PP1-CV3-LASS,17 sf1-RH2-PM2-HS2-AM1-BTBERM BED 12" TO ASSURE POSITIVE DRAINAGEccc@@J1-PA3-CV1-JS3-HS2-AM3-LA2-PMSS, 36 s.f.2-NSSS, 30 s.f.@BERM BED 6" TO ASSURE POSITIVE DRAINAGE2-PM1-BT3-HS1-AMTS, 20 s.f.LANDSCAPEBED: 26 s.f.LANDSCAPEBED: 219 s.f.LANDSCAPEBED: 107 s.f.LANDSCAPEBED: 224 s.f.LANDSCAPEBED: 388 s.f.LANDSCAPEBED: 142 s.f.4-CCLANDSCAPEBED: 33 s.f.NOTE:ALL PLANTS ARE DROUGHT-TOLERANT.HOWEVER, A TEMPORARY SOURCE OFWATER MUST BE PROVIDED FOR A MIN.OF 2-GROWING SEASONS TO ALLOWPLANTS TO BECOME ESTABLISHED. THECONTRACTOR SHALL PROVIDE A PLAN OFHOW THIS WATERING & OVERALL PLANTMAINTENANCE WILL BE PERFORMED.SHRUBS REQUIRED: 8SHRUBS PROVIDED: 12DECIDUOUS: 50%SHRUBS REQUIRED: 20SHRUBS PROVIDED: 28DECIDUOUS: 50%LLL1-BTL1-LASHRUBS REQUIRED: 6SHRUBS PROVIDED: 8DECIDUOUS: 50%LL2-LASHRUBS REQUIRED: 11SHRUBS PROVIDED: 15DECIDUOUS: 47%LLLDO NOT SCALE DRAWINGS. CONTRACTOR MUST VERIFY ALLDIMENSIONS AND ADVISE CONSULTANTS OF ANY ERRORS OROMISSIONS. NO VARIATIONS OR MODIFICATIONS TO WORKSHOWN SHALL BE IMPLEMENTED WITHOUT PRIOR WRITTENAPPROVAL. ALL PREVIOUS ISSUES OF THIS DRAWING ARESUPERSEDED BY THE LATEST REVISION. ALL DRAWINGS ANDSPECIFICATIONS REMAIN THE PROPERTY OF ASPEN DESIGNGROUP.SITE PLANNINGLANDSCAPEARCHITECTUREA S P E NCITY APPROVAL BLOCKSOIL / COMPOST / MULCH ZONESIMPORTED 3-WAY TOPSOIL (LOCAL SOURCE) ROTO-TILLED INTOPLANTING BEDS COMPOST (LOCAL SOURCE) THOROUGHLY MIXED INTO SOIL ADD FERTILIZER / SOIL AMENDMENTS / SOIL POLYMERS3"(d) FINE TO MEDIUM FIR / CEDAR BARK MULCH.TOP MULCHPROJECT DATAADDRESS:2800 N.E. SUNSET BLVD.RENTON, WA 98056CURRENT ZONING:CVSITE AREA:11,250 s.f. (0.258 ACRES)GAS STATIONLANDSCAPE SCHEDULETREESSHRUBS2"(d) 3/8"(-) CRUSHED ROCK, LIGHT TAN / BEIGE IN COLOR.TOP GRAVEL MULCHPROPOSED USE:LANDSCAPE PLANSCALE: 1" = 10.0'LANDSCAPE NOTESSOIL BELOW TO PREVENT SOIL LAYERING.PROFILE.SYMBOLBOTANICAL NAMECOMMON NAMESIZELANDSCAPE PERCENT:PINUS NIGRA 'ARNOLD SENTINEL'ARNOLD SENTINEL PINE5'-6'(h)PAROTTIA PERSICA 'VANESSA'PERSIAN IRONWOOD2" CAL.COMMENTSGOOD FORMBERBERIS THUNBERGIANA 'CONCORDE'CONCORDE RED BARBERRY2 Gal.SELECT GOOD REDSYMBOLBOTANICAL NAMECOMMON NAMESIZECOMMENTSAs shownSPACINGPINUS MUGO 'SHERWOOD COMPACT'DWARF SHERWOOD MUGO PINE15"(w)PIN-CUSHION FORMGROUNDCOVER / ORNAMENTAL GRASSSYMBOLBOTANICAL NAMECOMMON NAMESIZECOMMENTSSPACINGHELICTOTRICHON SEMPERVIRENSBLUE OAT GRASSAs shownSEDUM SPATH. 'CAPE BLANCO'CAPE BLANCO STONECROP18" o.c.BTABR.ABR.ABR.PNPPPMHSSSAs shown1 Gal.1 Gal.COLOR & FORMPICK GOODBLUE COLOR Permit SubmittalPermit SubmittalQTY.QTY.QTY.Nurseryman's Association by the American Standard for Nursery Stock.= 3 tablets= 2 tablets= 8 tablets= 6 tabletsShrubShrub14.2-5 gallon 1 gallon15.16.2.0" cal. - 4.0" cal.1.5" cal. - 2.0" cal.Deciduous treeDeciduous treeApply fertilizer tablets as indicated in the following table:A lack of maintenance shall constitute a violation of local Municipal Code.by Owner or Lessee of the property as to pruning, watering or otherLandscaped areas on private property shall be reasonably maintainedrequirements to create an attractive, safe appearance for development.6.All plants shall meet the minimum size specified on the plan. One plantfrom each grouping shall be labeled, indicating the plant name and size.Tags shall then be removed after review.9.8.7.10.11.12.areas adjacent to conc. pads/walks to compact, then add additional barkPlanting beds shall have a mix of 3"(d) layer of medium-ground bark or2"(d) gravel rock mulch where indicated. Rake beds smooth & tamp-down An insecticide and fungicide application shall be performed w/ type to beselected by contractor and submitted in writing for review & approval. A pre & post-emergent herbicide shall be applied to all planter beds.Herbicide shall be Surflan A.S. tank-mixed w/ Roundup at a rate of 4 qt's.per acre. Adhere to all product manufacturer's directions in addition to all environmental regulations. Do not apply in areas that drain directly tocritical sensitive areas. Do not apply when wind speed exceeds 5 mph.Stockpile plant material upon delivery to the site in a shady location,embedded in sawdust or mulch. Stockpile all plants near a source ofwater - water at least once a day to maintain healthy plant stock.All plants shall be installed per the planting details. Alternate stakingmethods may be proposed for review and approval.All plants shall be sprayed w/a anti-dessicant w/in the first 24 hours.13.Install all plant material during favorable weather and within seasonalplanting limitations. Do not install plants when daily high temperaturesexceed 90°(F) degrees or low tempratures are below 32°(F) degrees.Flowering fruit trees may need to be dug after 3 consecutive nights oftemperatures less than 45 (f) degrees in the Fall or as determined by to 1/4"-1/2" below finish grade of conc. surface (where occuring)2.3.5.4.Plants shall originate from established nurseries located w/in region ofproject . Plants that are not available in size specified or quantity maybe secured from outside the region if submitted for review and approval.will be accepted unless submitted in writing for approval.All plants shall be balled & burlapped or container grown as specified.No container grown stock will be accepted if deemed to be root-bound.All plastic root wrapping material shall be removed. No bare root stockLandscape contractor shall field locate all utility lines prior to the start of construction. The use of on-site utility plans as a part of this contract areavailable for review.a 1-year warranty from date of Substantial Completion. Contractor shallfrom City w/living plants of equal size to original plant. Plants are underDefective/dead plants shall be replaced w/in 6 months after notification1.Plant material shall conform to guidelines established by the American= 7 tablets6.0' - 8.0' + high Evergreen tree17.sidewalk or asphalt, a root barrier panel shall be added on the side ofAt tree locations that are 4.0' or less to a utility structure, pipe, curbshall be Deep Root UB-24-2 24"(w)x24"(d) ribbed panels w/intermittentthe root ball that is closest to item that is to be protected. Barrierspanel breaks as needed to allow groundwater to flow freely and notoversaturate rootball. Place root barrier panels in trench with verticalribs facing toward rootball and align in a straight fashion. Keep top of root barrier's double-top edge at least 1/2" above finish grade.proper maintenance. Provide a written maintenance manual for completemaintain landscape under this contract for entire 1-year period to assurelandscape & assist in transition of maintenance from Contractor to Owner.calendar year to the Owner to assure proper long-term maintenance oflocal nursery. Weather data will be from the nearest airport location to project site (Paine Field, Everett, WA)18.after instllation for 2 weeks. Thereafter, Landscape Contractor shallLandscape Contractor shall provide watering of plants every other day water once a week for one year between April 15th-September 15th to coincide with the 1-year warranty period. New plants need to get fullyestablished. There is no nearby water source - allow for a water truck.19.capturing rainwater toward root zone. Add Soil-Moist polymers at plantConstruct water saucers at each large shrub & tree location to assist inpits at a rate recommended by manufacturer. At steep slope locations,stake trees & provide water catchment (low berm) at low side of slope.LANDSCAPE AREA:1,409 s.f.12.52%13219 s.f.112 plts.14913SPACING IN12"3"+NYSSA SYLVATICA 'WILDFIRE'WILDFIRE SOURGUM2" CAL.SELECT GOOD TREE FORM w/NS2PEDESTRIAN CLEARANCESELECT GOOD TREE FORM w/PEDESTRIAN CLEARANCELAVANDULA ANGUSTIFOLIA 'HIDCOTE'HIDCOTE ENGLISH LAVENDER2 Gal.PIN-CUSHION FORMLAAs shown17RUDBECKIA HIRTA 'GOLDSTURM'GOLDSTURM BLACK-EYED SUSAN1 Gal.PIN-CUSHION FORMRHAs shown7JUNIPERUS HETZII 'COLUMNARIS'COLUMNAR HETZII JUNIPER5'-6'(h)PIN-CUSHION FORMJSAs shown15CEANOTHUS 'VICTORIA'VICTORIA CEANOTHUS5 Gal.As shownCV9PEROVSKIA ATRIPLICIFOLIA 'LIL' SPIRES'LIL' SPIRES RUSSIAN SAGE2 Gal.PIN-CUSHION FORMPAAs shown3THYMUS SERPHYLUM 'PINK CHINTZ'PINK CHINTZ THYME18" o.c.TS1 Gal.67 s.f.SPACING2"(d) GRAVELJc@rLACHILLEA MILLE. 'DESERT EVE RED'DESERT EVE RED YARROWAs shownAM1 Gal.8CLEMATIS ARMANDII 'AVALANCHE'AVALANCHE CLEMATISAs shownCC1 Gal.4TRAIN VINESTO TRELLIS34 plts.PAUL J. DIXCERTIFICATE NO. 620STATE OF WASHINGTONREGISTERED LANDSCAPE ARCHITECTPaul
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DO NOT SCALE DRAWINGS. CONTRACTOR MUST VERIFY ALLDIMENSIONS AND ADVISE CONSULTANTS OF ANY ERRORS OROMISSIONS. NO VARIATIONS OR MODIFICATIONS TO WORKSHOWN SHALL BE IMPLEMENTED WITHOUT PRIOR WRITTENAPPROVAL. ALL PREVIOUS ISSUES OF THIS DRAWING ARESUPERSEDED BY THE LATEST REVISION. ALL DRAWINGS ANDSPECIFICATIONS REMAIN THE PROPERTY OF ASPEN DESIGNGROUP.SITE PLANNINGLANDSCAPEARCHITECTUREA S P E NPermit SubmittalSCALE: NOT TO SCALEDECIDUOUS TREE PLANTING1SCALE: NOT TO SCALECONIFEROUS TREE PLANTING2SCALE: NOT TO SCALEORNAMENTAL SHRUB PLANTING3L2.0L1.0L2.0L1.0L2.0L1.0SCALE: NOT TO SCALEGROUNDCOVER PLANTING4L2.0L1.02-TIMESROOTBALLCONSTRUCT A WATERING BASINOUT OF IMPORTED TOPSOIL ATPERIMETER OF SHRUB.SCARIFY SIDES & BOTTOM OFPLANTING PITCONSTRUCT A 4"-6" LEVELING MOUND OF COMPACTED SOIL BOTTOM OF PLANTING PIT. TO DOWNSPOUT STORMSYSTEM OR APPROVEDCONC. CURB OR CURB &GUTTER PER PLAN.ROAD / STREETPLANTER STRIP4'-0" dia. PLANTING PIT(3'-0" dia. AT BOTTOM OF PIT)TIGHTLINEEQUAL (NOT A WETLAND)12'-0" SECTION OF 4" dia. SMOOTH-WALL PVCPERF. PIPE AT EACH TREE BEDDED IN MIN. 4"(d)PEA GRAVEL RNVRLOPE (NO FILTER FABRIC).INSTALL IN ROOT-WAY PARALLEL TO ROADWAYWITH TIGHTLINE BETWEEN.CONCRETE SIDEWALK6"6"3'-0" MIN. TO PIPE INVERT2'-6" MIN. TO TOP OF GRAVEL2" dia. x 6'-0" TREATED LODGEPOLE PINE TREESTAKES. STAKE TREES OUTSIDE ROOTBALLAND PARALLEL TO ROADWAY.1" HEAVY CHAIN-LOCK TREE TIES OR SIMILAR.REMOVE AFTER (1) 1 YEAR.SET TREE STRAIGHT AND SET ROOTBALL ON TAMPED SOIL PEDESTAL. TOP OF ROOTBALLMUST REMAIN SLIGHTLY ABOVE FINISH GRADE.BACKFILL PLANTING PIT HALF-FULL W/IMPORTED SOIL, NO AMENDMENTS. TAMPSOIL TO STABILIZE ROOTBALL. COMPLETEBACKFILL OF PIT AND TAMP AGAIN.NOTES:PLANTING WITHIN PLANTING STRIPS OR ROOT-WAYSSHALL NOT PROCEED UNTIL SITE PREPARATION HASBEEN APPROVED BY THE CITY IN ACCORDANCE W/THE DEVELOPMENT STANDARDS.1.STREET TREES SHALL BE 2.0" CALIPER OR LARGER.2.TREES SHALL CONFORM TO MOST RECENT ANSI 260.1AMERICAN STANDARD FOR NURSERY STOCK. FIRSTTREE LIMBS SHALL BE 5'-0" ABOVE GRADE OR HIGHER.NO TREES SHALL BE PLANTED UNTIL THE CITY HAS3.APPROVED THE NURSERY STOCK WITHIN DESIGNATEDINSPECTION PERIOD.EXCAVATE HOLE INTO IMPORTED TOPSOIL TO 1" LESSTHAN HEIGHT OF ROOTBALL AND 2-x ROOTBALL WIDTH.TAMP BOTTOM OF PIT UNDER ROOTBALL THOROUGHLYTO KEEP TREE FROM SETTLING. BUTTRESS AT BOTTOM 4.OF PIT NO LESS THAN 3'-0"(w) IF NEED TO REINFORCELATERAL SUPPORT.DO NOT DAMAGE BALLED & BURLAPPED ROOT BALLSWHEN PLANTING. REMOVE ALL WIRE, STRING & BURLAPFROM TOP & SIDES OF BALL ONLY AFTER PLACING IN HOLE.COMPLETELY REMOVE ALL FABRIC FROM GROW-BAG TREES5.CUT & SPREAD KINKED ROOTS TO ELIMINATE CIRCULATINGOF ROOTS AROUND CONTAINER STOCK.CONSTRUCT SOIL WATER DAMAROUND PLANTING PIT TO HOLDWATER FOR DEEPER SOAKING ATLEAST 24" FROM TRUNK.PROVIDE 3"(d) LAYER OF COMPOSTED MEDIUMTO COARSE BARK MULCH, MIN. 24" RADIUS AREAAROUND TREE, PULL BARK 3" AWAY FROM TRUNK.PLACE OSMOCOTE PLUS 15-9-12 SLOW-RELEASEFERTILIZER OR SIMILAR AT MANUFACTURER'SRECOMMENDED RATE OF APPLICATION EVENLYOVER THE SOIL OF THE PLANTING PIT.6.NOTES (CONT.):WATER IMMEDIATELY & THOUROUGHLY TWICEPER WEEK DURING THE 1st MONTH, THEN ONCEPER WEEK THROUGH REMAINDER OF THE DRYSEASON. WATER A MIN. OF ONCE PER MONTH7.DURING THE SECOND SUMMER SEASON.TO STREET STORM SYSTEM ORAPPROVED OUTFALL. OTHERTO DOWNSPOUT STORMSYSTEM OR APPROVEDPLANTER STRIP4'-0" dia. PLANTING PIT(3'-0" dia. AT BOTTOM OF PIT)TIGHTLINEEQUAL (NOT A WETLAND)12'-0" SECTION OF 4" dia. SMOOTH-WALL PVCPERF. PIPE AT EACH TREE BEDDED IN MIN. 4"(d)PEA GRAVEL RNVRLOPE (NO FILTER FABRIC).INSTALL IN ROOT-WAY PARALLEL TO ROADWAYWITH TIGHTLINE BETWEEN.3'-0" MIN. TO PIPE INVERT2'-6" MIN. TO TOP OF GRAVEL1.5" x 1.5" x 8'-0" T-RAIL IRON STAKES INSTALLEDOUTSIDE ROOTBALL WITH ONE STAKE LOCATEDON SIDE OF PREVAILING WIND. WOOD STAKES1" HEAVY CHAIN-LOCK TREE TIES OR SIMILAR.CITY ARBORIST TO REVIEW AFTER (1) YEAR TOSET TREE STRAIGHT AND SET ROOTBALL ON TAMPED SOIL PEDESTAL. TOP OF ROOTBALLMUST REMAIN SLIGHTLY ABOVE FINISH GRADE,BACKFILL PLANTING PIT HALF-FULL W/IMPORTED PLANTING TOPSOIL. TAMPSOIL TO STABILIZE ROOTBALL. FINISHBACKFILL OF PIT AND TAMP AGAIN.NOTES:PLANTING WITHIN PLANTING STRIPS OR ROOT-WAYSSHALL NOT PROCEED UNTIL SITE PREPARATION HASBEEN APPROVED BY THE CITY IN ACCORDANCE W/THE DEVELOPMENT STANDARDS.1.TREES SHALL CONFORM TO MOST RECENT ANSI 260.1AMERICAN STANDARD FOR NURSERY STOCK. FIRSTTREE LIMBS SHALL BE 5'-0" ABOVE GRADE OR HIGHER.NO TREES SHALL BE PLANTED UNTIL THE CITY HAS3.APPROVED THE NURSERY STOCK WITHIN DESIGNATEDINSPECTION PERIOD.EXCAVATE HOLE INTO IMPORTED TOPSOIL TO 1" LESSTHAN HEIGHT OF ROOTBALL AND 2-x ROOTBALL WIDTH.TAMP BOTTOM OF PIT UNDER ROOTBALL THOROUGHLYTO KEEP TREE FROM SETTLING. BUTTRESS AT BOTTOM 4.OF PIT NO LESS THAN 3'-0"(w) IF NEED TO REINFORCELATERAL SUPPORT.DO NOT DAMAGE BALLED & BURLAPPED ROOT BALLSREMOVE ALL WIRE, STRING & BURLAP FROM TOP &SIDES OF BALL ONLY AFTER PLACING IN HOLE.COMPLETELY REMOVE ALL FABRIC FROM GROW-BAG 5.TREES. CUT & SPREAD KINKED ROOTS TO ELIMINATECIRCULING OF ROOTS AROUND CONTAINER STOCK.CONSTRUCT SOIL WATER DAMAROUND PLANTING PIT TO HOLDWATER FOR DEEPER SOAKING ATLEAST 24" FROM TRUNK.PROVIDE 3"(d) LAYER OF COMPOSTED MEDIUMTO COARSE BARK MULCH, MIN. 24" RADIUS AREAAROUND TREE, PULL BARK 3" AWAY FROM TRUNK.PLACE OSMOCOTE PLUS 15-9-12 SLOW-RELEASEFERTILIZER OR SIMILAR AT MANUFACTURER'SRECOMMENDED RATE OF APPLICATION EVENLYOVER THE SOIL OF THE PLANTING PIT.6.WATER IMMEDIATELY & THOUROUGHLY TWICEPER WEEK DURING THE 1st MONTH, THEN ONCEPER WEEK THROUGH REMAINDER OF THE DRYSEASON. WATER A MIN. OF ONCE PER MONTH7.DURING THE SECOND SUMMER SEASON.ASSURE TREE IS SUFFICIENTLY SECURE IN GROUND (AT WINDY SITES) TO ASSURE LONGTERM SURVIVAL, TREE MAY NEED TO HAVE STAKES IN PLACE AN ADDITIONAL YEAR.MAY BE USED IN SHELTERED LOCATIONS WHEREBUILDING BLOCKS STRONG WINDS.THAN STREET TREE LOCATIONS, ONLY INSTALL DRAINS AT SITELOCATIONS WHERE ADVERSEDRAINAGE OCCURS / HARDPAN /CLAY SOILS.SIMILAR TO HEIGHT OF TREE NURSERY.NOTE:AT WINDY SITES, ASSURE ALL STAKING ANDTREE GUYING METHODS ARE USED SO TREEWILL BE SECURE UP TO 70 mph WIND SPEED.PRUNE DEAD / BROKENBRANCHES. PRUNE TO SHAPE IF REQUIRED ORIN A HEDGE CONDITION.SECURE SHRUB IN ANUPRIGHT POSITION. ADDA SMALL WOOD STAKETO SECURE PLANT ATWINDY SITES. LOOP "TIE"AROUND STEM TO SECURE,SHRUB, YET ALLOW FORPLANT MOVEMENT.EXCAVATE SHRUB PLANTINGPIT 2-x THE SIZE OF ROOTBALL.GENTLY BACKFILL w/IMPORTEDPLANTING TOPSOIL, COMPACTLIGHTLY.REMOVE THE TOP 1/3 - 1/2OF WRAPPED BURLAP.SET BASE OF SHRUB STEM ATORIGINAL NURSERY GRADE.DO NOT COVER STEM w/BARKOR TOPSOIL.NOTE:WATER NEWLY INSTALLEDSHRUBS IMMEDIATELY AFTERPLANTING & AS NEEDED INDRY OR WINDY WEATHER.MIN. 2"(d) BARK MULCH LAYER.SPACE GROUNDCOVERPLANTS PER LANDSCAPESCHEDULE.2"(d) LAYER OF MEDIUMSIZED BARK MULCH. ADDMULCH PRIOR TO PLANT INSTALLATION.PLANTING TOPSOIL PERPLANS & SPECIFICATIONS.NOTES:PROVIDE GRANULAR HERBICIDEABOVE & BELOW MULCH LAYER.PRE-EMERGENT SHALL BE PERRONSTAR, INC. OR APPROVEDEQUAL. APPLICATION SHALL BEPER THE MANUFACTURER'S DIRECTIONS & SHALL ADHERETO ALL ENVIRONMENTAL CODESAND REGULATIONS.SPACING, UNO.TRIANGULAR SCARIFY TOP 6" OF SUBGRADETO ELIMINATE ANY COMPACTED,SMOOTH SURFACES TO ALLOWIMPROVED WATER INFILTRATION1.KEEP PLANTS MOIST & SHADEDUNTIL TIME OF PLANTING.2.INSTALL GROUNDCOVER PLANTSIN STRAIGHT, UPRIGHT POSITION3.LEVEL TO FINISH GRADE.AT LOCATIONS WHERE CLAY SOILIS PRESENT, BLEND IN IMPORTEDSOIL, AMENDMENTS & ORGANICCOMPOST PER AGRICULTURALSOIL LABORATORY RESULTS AND4.RECOMMENDATIONS.AT LOCATIONS WHERE SANDYSOIL IS PRESENT, FOLLOW NO. 4ABOVE WITH THE ADDITION OF 5.AGED MANURE.CLCLTO STREET STORM SYSTEM ORAPPROVED OUTFALL. OTHERTHAN STREET TREE LOCATIONS, ONLY INSTALL DRAINS AT SITELOCATIONS WHERE ADVERSEDRAINAGE OCCURS / HARDPAN /CLAY SOILS.PAUL J. DIXCERTIFICATE NO. 620STATE OF WASHINGTONREGISTERED LANDSCAPE ARCHITECTPaul
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