HomeMy WebLinkAboutTR_Tree_Retention_Plan_3-15-19WASHING
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PARCEL NO.
3023059099
+/- 25,415 SF
PARTIALLY
COVERED
OUTDOOR
LUMBER SALES
56'WETLAND BUFFERPARCEL NO.
3023059098
PARCEL
BOUNDARY
LINE
PARCEL BOUNDARY LINE
PROPOSED FIRE
HYDRANT
PARCEL BOUNDARY LINE
PARCEL NO.
3023059091
TURF (TYPICAL)CUT TURF EDGE (TYP.)
NEW BUILDING
40,000 SF
FOOTPRINT EXISTING
WAREHOUSE TO
REMAIN
EXISTING
OFFICE TO
REMAIN
+/- 6,100 SQ. FT.
PARTIALLY COVERED
OUTDOOR LUMBER
SALES10'TREE / UTILITY CONFLICTS
NORTH AND SOUTH OF
TREES, SEE
NOTE #6 THIS SHEET
NEW DRIVEWAY
APPROACH
EAST VALLEY ROAD
NEW DRIVEWAY
APPROACH
EXISTING FIRE
HYDRANT
TREE / UTILITY CONFLICTS
NORTH OF TREE, SEE
NOTE #6 THIS SHEET
3'8'TREE / UTILITY CONFLICTS
NORTH OF TREE, SEE
NOTE #6 THIS SHEET
TREE / UTILITY CONFLICTS
NORTH OF TREE, SEE
NOTE #6 THIS SHEET TREE / UTILITY CONFLICTS
SOUTH OF TREE, SEE
NOTE #6 THIS SHEET
IN COMPLIANCE WITH CITY OF RENTON STANDARDSAAANNNNNNN
COMPTON LUMBER RENTON
A-NNNNNNN
TEL FAX www.ahbl.com WEBTELFAXwww.ahbl.com WEBTELFAXwww.ahbl.com WEB
2215 North 30th Street, Suite 300 Tacoma, WA 98403
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NGRAPHIC SCALE
0 30 60
1" = 30 FEET
15
1.IRRIGATION SYSTEM DESIGN PLANS WILL BE INCLUDED FOR PERMITTING.
2.SEE SHEET L2.1 FOR PLANTING SCHEDULE AND DETAILS.
3.SHE SHEET L4.1 FOR IRRIGATION DETAILS.
4.SEE SHEET L5.1 FOR LANDSCAPE AND IRRIGATION SPECIFICATIONS.
5.SIGNIFICANT TREES WITHIN WETLAND BUFFERS AND BOUNDARIES HAVE NOT BEEN LOCATED
AND IDENTIFIED AND ARE NOT INCLUDED IN THE TREE RETENTION CALCULATIONS.
6.CONTRACTOR SHALL INSTALL TREES WITH UTILITY SETBACKS AS SPECIFIED IN THE CITY OF
RENTON INTERIM STREET TREE PLANTING STANDARDS AND RECOMMENDED TREE LIST (6'
SETBACK FROM FIRE HYDRANTS AND UNDERGROUND UTILITIES, 10' SETBACK FROM UTILITY
POLES AND DRIVEWAYS, 25' SETBACK FROM STREET LIGHTS. 10' SETBACK IS REQUIRED FROM
ALL STORM DRAINAGE STRUCTURES INCLUDING PIPES, ON SITE AND IN THE R.O.W., PER
RMC 4.4.070.H.6.B.II
THE FOLLOWING TABLE IS PROVIDED FOR LANDSCAPE CALCULATIONS INDICATED IN CITY OF
RENTON MUNICIPAL CODE 4-4-070 LANDSCAPING.
ZONE: CA - COMMERCIAL ARTERIAL
STREET FRONTAGE LANDSCAPE LENGTH = 500 LF
REQUIRED STREET TREES (1 PER 25 LF) = 20*PROVIDED TREES = 16**
PERIMETER PARKING LOT LANDSCAPING (RCMC 4-4-070-H-4)
STREET FRONTAGE LANDSCAPE LENGTH = 347 LF
STREET FRONTAGE LANDSCAPE WIDTH = 10 LF
STREET FRONTAGE LANDSCAPE AREA = 3470 SF
REQUIRED SHRUBS (1 PER 20 SF ) = 174 PROVIDED SHRUBS =174
REQUIRED TREES (1 PER 30 LF) = 12* PROVIDED TREES = 8**
INTERIOR PARKING LOT LANDSCAPING (RCMC 4-4-070-H-5)
STALLS PROVIDED = 104
LANDSCAPE AREA REQ'D @ 25 SF PER SPACE =2,475 SF AREA PROVIDED =2,531 SF
REQUIRED SHRUBS (1 PER 20 SF ) = 124 PROVIDED SHRUBS = 124
REQUIRED TREES (1 PER 6 PARKING SPACES) = 17 PROVIDED TREES = 17
NOTE*: PER CITY OF RENTON, D-18 SUPPLEMENTAL, INTERIM STREET TREE PLANTING
STANDARDS AND RECOMMENDED TREE LIST
NOTE**: NUMBER OF TREES REDUCED DUE TO TREE UTILITY CONFLICTS, SEE NOTE #6 THIS
SHEET.
DATE: March 14, 2019 FILENAME: \\ahbl.com\data\Projects\2019\2190112\40_LAN\CAD\2190112-SH_LND.dwg
LANDSCAPE & TREE
RETENTION PLAN
NOTES
LIMITS OF LANDSC
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THIS AREA TO
REMAIN
UNDISTURBED
THIS AREA TO
REMAIN
UNDISTURBED
UNKNOWN 18"
UNKNOWN 12"
UNKNOWN 14"
UNKNOWN 8"
UNKNOWN 10"
UNKNOWN 10"
UNKNOWN 12"
(1 OF 6) TREES TO REPLACE
REMOVED SIGNIFICANT TREES.
TREE TO
REMAIN
EXISTING TREE TO REMAIN
EXISTING TREE TO BE REMOVED
LEGENDLIMITS OF LANDSCAPE WORKLIMITS OF LANDSCAPE WORK(1 OF 6) TREES TO REPLACE
REMOVED SIGNIFICANT TREES.
(2 OF 6) TREES TO REPLACE
REMOVED SIGNIFICANT TREES.
(2 OF 6) TREES TO REPLACE
REMOVED SIGNIFICANT TREES.
LANDSCAPE DATA TABLE
UTILITY POLE
L1.1
1 4
IN COMPLIANCE WITH CITY OF RENTON STANDARDSAAANNNNNNN
COMPTON LUMBER RENTON
A-NNNNNNN
TEL FAX www.ahbl.com WEBTELFAXwww.ahbl.com WEBTELFAXwww.ahbl.com WEB
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PLANTING SCHEDULE
& DETAILS
TREES BOTANICAL NAME COMMON NAME CONT CAL SIZE QTY
ACER RUBRUM `BOWHALL`BOWHALL MAPLE B&B 2" CAL 4
AMELANCHIER X GRANDIFLORA `AUTUMN BRILLIANCE``AUTUMN BRILLIANCE` SERVICEBERRY B&B 2" CAL 16
CARPINUS BETULUS `FRANZ FONTAINE`FRANZ FONTAINE HORNBEAM B&B 2" CAL 12
PARROTIA PERSICA `VANESSA`PERSIAN PARROTIA B&B 2" CAL 8
PINUS FLEXILIS `VANDERWOLF`S PYRAMID`VANDERWOLF`S PYRAMID PINE B&B 8` MIN.1
ULMUS X `NEW HORIZON`NEW HORIZON ELM B&B 2" CAL 12` MIN.6
CLEAR TRURK TO 8`
SHRUBS BOTANICAL NAME COMMON NAME CONT SPACING QTY
CALAMAGROSTIS X ACUTIFLORA `AVALANCHE`FEATHER REED GRASS 2 GAL 36" o.c.164
JUNIPERUS SABINA `BUFFALO`BUFFALO JUNIPER 3 GAL 72" o.c.103
NANDINA DOMESTICA `NANA`DWARF SACRED BAMBOO 2 GAL 36" o.c.31
PHYSOCARPUS OPULIFOLIUS `DART`S GOLD`YELLOW NINEBARK 3 GAL 60" o.c.44
PINUS MUGO `MOPS`MUGO PINE 3 GAL 48" o.c.83
GROUND COVERS BOTANICAL NAME COMMON NAME CONT SPACING QTY
ARCTOSTAPHYLOS UVA-URSI `EMERALD CARPET`EMERALD CARPET MANZANITA 1 GAL 36" o.c.2,898 SF
MULCH INORGANIC RIVER ROCK RIVER ROCK MULCH 3/4" TO 2" NATIVE RIVER ROCK MIX 487 SF
TURF GRASS HYDROSEED HYDROSEED 3,805 SF
PLANT SCHEDULE
1.SEEDS TO BE DELIVERED TO THE JOB SITE IN UNOPENED BAGS BEARING THE SEED SUPPLIER'S TAG SHOWING
THE PROPORTIONS AND MIX COMPONENTS OF THE SEED CONTAINED IN EACH BAG INCLUDING THE AREA TO BE
COVERED BY THE SEED CONTAINED IN EACH BAG.
2.PROVIDE FRESH, CLEAN, NEW-CROP SEED COMPLYING WITH TOLERANCE OF PURITY AND GERMINATION
ESTABLISHED BY THE OFFICIAL SEED ANALYSIS OF NORTH AMERICA. PROVIDE SEED MIXTURE COMPOSED OF
GRASS SPECIES AND PERCENTAGES AS SPECIFIED BY SEED MANUFACTURER OR SUPPLIER.
3.TURF GRASS SEED MIX: PROVIDE MIXTURE COMPOSED OF GRASSES IN THE FOLLOWING AMOUNTS:
3.1.1.SPECIES PERCENTAGE
PERENNIAL RYEGRASS 60%
HARD FESCUE 60%
KENTUCKY BLUEGRASS 20%
4.FERTILIZER:PER SEED SUPPLIER'S RECOMMENDATIONS.
5.ALL SEEDING OF SLOPES SHALL BE INSTALLED WITH AN APPROVED TACKIFIER OR EQUIVALENT.
6.SEED DURING THE FALL WHEN RAINS ARE EXPECTED AT MANUFACTURER'S OR SUPPLIERS RECOMMENDED
TIMES AND RATES.
HYDROSEED NOTES
ROOT FLARE MUST BE VISIBLE. TREES
WITHOUT VISIBLE ROOT FLARE SHALL
BE REJECTED BEFORE PLANTING.
PLACE ROOT FLARE LEVEL OR 1"
ABOVE FINISH GRADE. DO NOT COVER
ROOT FLARE WITH SOIL OR MULCH.
REMOVE WIRE AND BURLAP TO
BOTTOM OF ROOT BALL AFTER
SETTING IN PIT
PLACE ROOT BALL ON UNDISTURBED
SOIL TO REDUCE SETTLING
TAMP SOIL AROUND ROOT BALL
FIRMLY W/ FOOT PRESSURE SO THAT
THE ROOT BALL DOES NOT SHIFT
3X ROOT BALL DIA. MIN.
EQ.EQ.
4" CLR. MIN.
DIG PIT SHALLOW AND WIDE
TREE PLANTING
NTS
1 P C20
NOTES:
1. ALIGN STAKES PERPENDICULAR OR PARALLEL TO CURB & SIDEWALK,
WHICHEVER IS CLOSER TO WIND DIRECTION.
2. SEE PLANTING NOTES & SPECIFICATIONS (IF PROVIDED) FOR MORE
INFORMATION
:,ND D,5ECT,2N
PLAN5' MIN.2' MIN."CHAIN-LOCK" RUBBER GUY
TIES OR APPROVED EQUAL.
2X2 HARDWOOD STAKES. DRIVE
STAKE OUTSIDE OF ROOTBALL.
(2) STAKES PER TREE.
TREE TRUNK
GUYLINE
STAKE
MULCH. DO NOT PLACE MULCH
AGAINST TRUNK.
522T %ALL
DECIDUOUS TREE PLANTING
NTS
3"-4" HIGH WATERING RING
DIG PIT SHALLOW AND WIDE
3X ROOTBALL DIA.
2 P C20
FINISH GRADE AT LAWN AREA
OR PLANTING BED.
REMOVE EXCESS SOIL THAT MAY
HAVE ACCUMULATED ABOVE THE
TRUNK FLARE PRIOR TO DIGGING
AT NURSERY.
TRUNK FLARE (SET AT 1" ABOVE
FINISHED GRADE)
PRUNE ANY GIRDLING OR
ADVENTITIOUS ROOTS PRIOR TO
BACKFILLING.
REMOVE WIRE BASKET (NO
EXCEPTIONS) AND ANY OTHER
SYNTHETIC MATERIAL FROM
ROOTBALL. CUT BACK AND REMOVE
BURLAP FROM TOP AND SIDE OF
ROOTBALL.
SET BALL ON COMPACTED SOIL
MOUND TO PREVENT SETTLING.
NOTES:
1.TREES PLANTED TOO DEEP WITHOUT EXPOSING ROOT FLARE WILL BE REJECTED AND
SHALL BE REMOVED AND REPLANTED AT PROPER DEPTH.
2.REPLACEMENT OF REJECTED TREES WILL BE DONE AT THE CONTRACTOR'S EXPENSE.
ROOTBALL
NTS
3 P C20
2X THE SIZE
OF ROOTBALL6"VARIESLIGHTLY COMPACTED SOIL
MIX, WATER THOROUGHLY
BACKFILL WITH SOIL
MIX AND WATER IN
FORM CONTINUOUS
3" HIGH WATER BASIN
BERM
MULCH. DO NOT COVER
TRUNK OR STEMS.
ROOT COLLAR OF SHRUB
SHALL NOT BE COVERED
WITH SOIL OR MULCH.
EXPOSE ROOT COLLAR
FOR INSPECTION BY L.A.
FINISHED
GRADE
REMOVE CONTAINER /
BURLAP AND WIRE
BASKET FROM TOP AND
SIDES OF ROOTBALL
3X THE SIZE
OF ROOTBALL
SHRUB PLANTING
NTS
4 P C20
L2.1
2 4
IN COMPLIANCE WITH CITY OF RENTON STANDARDSAAANNNNNNN
COMPTON LUMBER RENTON
A-NNNNNNN
TEL FAX www.ahbl.com WEBTELFAXwww.ahbl.com WEBTELFAXwww.ahbl.com WEB
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IRRIGATION NOTES &
DETAILS6'-0''ELECTRIC AUTOMATIC
CONTROLLER AS SPECIFIED.
WALL MOUNTED BRACED PER
MANUFACTURER (SEE
IRRIGATION PLAN FOR
LOCATION)
2" DIA. SCH. 40 PVC CONDUIT WITH
LONG SWEEP ELL FOR UF DIRECT
BURIAL WIRES TO VALVES.
ALLOW A MAXIMUM OF 24 WIRES
PER CONDUIT
1'' METAL CONDUIT
WITH LONG SWEEP ELL
FOR 110V POWER
SOURCE AS PER
ELECTRICAL CODES
FINISHED FLOOR. EXTEND
CONDUIT 18" BEYOND FOOTING.
8 FT. COPPER
GROUND AS PER
LOCAL CODE
18" MIN.CONTROLLER WALL MOUNT
NTS
1 P C20
IRRIGATION MAINLINE
ISOLATION VALVES
QUICK COUPLER
ISOLATION GATE VALVE
IRRIGATION METER,
SEE CIVIL PLANS
MANUAL DRAIN VALVE (TYP.)
MUNICIPAL WATER
SUPPLY LINE, SEE CIVIL
PVC MAINLINE, SIZE
AS NECESSARY
DOUBLE CHECK
VALVE ASSEMBLY
W W W W
POC SCHEMATIC
NTS P C202 GATE VALVE
10x16 VALVE BOX W/ EXTENSION(S)
SET FLUSH WITH FINISHED GRADE IN
TURF AREAS, 1" ABOVE FINISH GRADE IN
SHRUBS AREAS
GATE VALVE AS SPECIFIED,
SAME SIZE AS MAINLINE
SCHEDULE 80 NIPPLES
MAINLINE
(2) 2X8X16 SUPPORT BLOCKS
2 CU. FT WASHED DRAIN ROCK
USE TEFLON TAPE ON ALL THREADED CONNECTIONS.
SCHEDULE 80 UNIONS
4 P C20
FINISHED GRADE
PAVING SECTION PER
CIVIL PLANS
COMPACTED BACKFILL
AT 85% DENSITY
(SOIL BACKFILL)
AT 95% DENISTY
(STRUCTURAL)
LATERAL LINE(S)
SLEEVE(S), 2-TIMES
LINE SIZE MIN.
MAIN LINE(S)
VALVE WIRING
PIPE BED MATERIAL TO
BE CLEAN AND FREE OF
ROCK LARGER THAN
1/2-INCH
6" OFFSET12" TYPICAL24" TYPICALBEDMATERIAL4"4"4" MIN.4" MIN.
4" MIN.4" MIN.24" MINIMUMSAND4"4"NOTES:
·DIMENSIONS ARE MINIMUM
CLEARANCES.
·ALL SLEEVING TRENCH BACKFILL
MATERIAL SHALL BE CLASS "B"
OR BETTER (MAX. OF 10%
PASSING NO.40 SCREEN) AND BE
COMPACTED TO MIN. 95%
OPTIMUM DENSITY (MODIFIED
PROCTOR).
·INSTALL METALLIC DETECTABLE
WARNING TAPE 6" ABOVE ALL
MAINLINE.
·DO NOT TAPE OR BUNDLE WIRES
IN SLEEVES.
FINISHED SURFACE
TRENCHING
NTS
5 P C20
POP-UP SPRAY HEAD W/ FLEX JOINT
LATERNAL LINE DEPTH12" MIN.-18" MAX.VARIES6" MAX
1/2"-3/4"HARDSCAPE
SURFACE
NOTE:
USE TEFLON TAPE ON ALL THREADED
FITTINGS
PLASTIC SPRAY NOZZLE
POP UP SPRAY HEAD OR
FLOOD BUBBLER
FINISH GRADE
FLUSH w/ FINISHED GRADE
(TOP OF MULCH) IN BED AREAS
PVC SCH 40 TEE OR ELL
SLIP x FIPT x SLIP
SCH 40 PVC LATERAL
SWING PIPE (FLEXIBLE)
18" LENGTH BY 1/2" DIA.
1/2 INCH MALE NPT x 0.490
INCH BARB ELBOW
6 P C20
10" DIA. VALVE BOX W/
LOCKING LID,
EXTENSIONS (AS REQ'D)
SCH 40 PVC MAIN LINE
SCH 80 PVC ELL OR
TEE W/ REDUCER
SCH 80 3/4" PVC ELLS W/
PVC NIPPLES IN BETWEEN
3/4" SCH 80 PVC STREET
ELL W/ 6" LENGTH OF PVC
PIPE W/ HOLES DRILLED
FOR DRAIN LINE
1/2 CU YD OF WASHED
DRAIN ROCK, WRAP IN
FILTER FABRIC
NOTE: USE TEFLON TAPE ON ALL THREADED FITTINGS.
MANUAL DRAIN
VALVE PER PLAN W/
LONG KEY FOR
OPERATION
ALTERNATIVE
OUTFALL
PIPE TO
DRAINAGE
STRUCTURE
OR WATER
COURSE
FINISH GRADE
26" MIN.TYP,SUPPORT VALVE BOX
WITH (4) BRICKS-TYP.
MANUAL DRAIN VALVE
P C207 4" MIN.12" BELOW GRADEREMOTE CONTROL VALVES
NTS
VALVE BOX W/ EXTENSIONS,
SET 2" ABOVE GRADE IN
SHRUBS, FLUSH IN TURF.
WATERPROOF WIRE
CONNECTORS ON 36"
LOOPED WIRES.
REMOTE CONTROL VALVE
TRUE UNION PVC BALL
VALVE WITH SCH. 80
NIPPLES
SCH 80 UNION
LATERAL, 24"
MIN. TO FIRST
FITTING
6X2X16 CONC. BLOCK, ONE PER
CORNER (4 TOTAL)
FILTER FABRIC, WRAP UP ALL
SIDES ABOVE OPENINGS
WASHED DRAIN ROCK SUMP, 2
CUBIC FEET MIN.SCH. 40 RISER
MAINLINE
P C203
L4.1
3 4
IN COMPLIANCE WITH CITY OF RENTON STANDARDSAAANNNNNNN
COMPTON LUMBER RENTON
A-NNNNNNN
TEL FAX www.ahbl.com WEBTELFAXwww.ahbl.com WEBTELFAXwww.ahbl.com WEB
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LANDSCAPE &
IRRIGATION NOTES
GENERAL:
1.INSTALL ALL EQUIPMENT PER CITY OF RENTON PLUMBING CODES,
AND APPLICABLE COUNTY, STATE AND FEDERAL CODES.
CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL
PERMITS, TESTS, AND INSPECTIONS REQUIRED FOR THE
IRRIGATION SYSTEM.
2.IRRIGATION DESIGN IS DIAGRAMMATIC. ALL PIPING, VALVES, ETC.
SHOWN WITHIN PAVED AREAS IS FOR DESIGN CLARIFICATION ONLY
AND SHALL BE INSTALLED IN PLANTING AREAS WHERE POSSIBLE.
AVOID ANY CONFLICTS BETWEEN THE IRRIGATION SYSTEM,
PLANTING AND ARCHITECTURAL FEATURES.
3.DO NOT WILLFULLY INSTALL THE SPRINKLER SYSTEM AS SHOWN
ON THE DRAWINGS WHEN IT IS OBVIOUS IN THE FIELD THAT
OBSTRUCTIONS, GRADE DIFFERENCES OR DIFFERENCES IN THE
AREA DIMENSIONS EXIST THAT MIGHT NOT HAVE BEEN
CONSIDERED IN THE ENGINEERING. SUCH OBSTRUCTIONS OR
DIFFERENCES SHOULD BE BROUGHT TO THE ATTENTION OF THE
OWNER'S AUTHORIZED REPRESENTATIVE. IN THE EVENT THAT
THIS NOTIFICATION IS NOT PERFORMED, THE IRRIGATION
CONTRACTOR SHALL ASSUME FULL RESPONSIBILITY FOR ANY
REVISIONS NECESSARY.
4.IT IS THE RESPONSIBILITY OF THE IRRIGATION CONTRACTOR TO
FAMILIARIZE HIMSELF WITH ALL GRADE DIFFERENCES, LOCATION
OF WALLS, RETAINING WALLS, ETC. THE SHALL COORDINATE HIS
WORK WITH THE GENERAL CONTRACTOR AND OTHER
SUBCONTRACTORS FOR THE LOCATION AND THE INSTALLATION OF
PIPE SLEEVES THROUGH WALLS, UNDER ROADWAYS, PAVING,
STRUCTURES, ETC.
5.SEE PLUMBING AND ELECTRICAL DRAWINGS TO VERIFY UTILITY
LOCATIONS. IF UTILITIES ARE DAMAGED IN THE COURSE OF WORK,
CONTRACTOR SHALL INFORM THE GENERAL CONTRACTOR AND LA,
AND MAKE ANY REPAIRS REQUIRED, AT NO COST TO THE OWNER.
6.NOTIFY LANDSCAPE ARCHITECT OF ANY ASPECTS OF LAYOUT
THAT WILL PROVIDE INCOMPLETE OR INSUFFICIENT WATER
COVERAGE OF PLANT MATERIAL AND DO NOT PROCEED UNTIL
THEIR INSTRUCTIONS ARE OBTAINED.
7.INSTALLER SHALL BE RESPONSIBLE FOR KEEPING EXACT
ACCURATE NOTES AND "AS-BUILTS" FOR THE CREATION OF THE
"RECORD DRAWINGS" OF THE INSTALLED SYSTEM.
8.CONTRACTOR SHALL WARRANTY THE IRRIGATION SYSTEM IN
EVERY DETAIL FOR A ONE YEAR PERIOD FOLLOWING THE DATE OF
ACCEPTANCE. CONTRACTOR SHALL PROVIDE SPRING START-UP
AND WINTERIZATION FOR THE FIRST YEAR.
PIPING:
1.FOR PVC MAIN LINE PIPING INSIDE SLEEVES USE 1120-315 PSI PVC
PLASTIC PIPE WITH SCHEDULE 40 PVC COUPLINGS.
2.IN ADDITION TO THE SLEEVES AND CONDUITS SHOWN ON THE
DRAWINGS, THE IRRIGATION CONTRACTOR SHALL BE
RESPONSIBLE FOR THE INSTALLATION OF REQUIRED SLEEVES AND
CONDUITS OF SUFFICIENT SIZE UNDER ALL PAVED AREA
CROSSINGS.
3.ALL LATERAL PIPING BENEATH PAVED AREAS SHALL BE SCHEDULE
40 PVC PIPE.
4.WHERE IT IS NECESSARY TO EXCAVATE ADJACENT TO EXISTING
TREES, THE CONTRACTOR SHALL USE ALL POSSIBLE CARE TO
AVOID INJURY TO TREES, AND TREE ROOTS. EXCAVATION IN
AREAS WHERE 2 INCH AND LARGER ROOTS OCCUR SHALL BE DONE
BY HAND. ROOTS 2 INCHES AND LARGER IN DIAMETER SHALL BE
WRAPPED IN A PLASTIC BAG AND SECURED WITH A RUBBER BAND.
TRENCHES ADJACENT TO TREE SHOULD BE CLOSED WITHIN 24
HOURS; WHERE THIS IS NOT POSSIBLE, THE SIDE OF THE TRENCH
ADJACENT TO THE TREE SHALL BE KEPT SHADED WITH BURLAP OR
CANVAS.
BACKFLOW PREVENTION ASSEMBLY:
1.THE BACKFLOW DEVICE SHALL BE INSTALLED ACCORDING TO
LOCAL WATER PURVEYOR, HEALTH DEPARTMENT, STATE, AND
FEDERAL REQUIREMENTS.
2.INSTALL BACKFLOW ASSEMBLY IN CENTER OF VALVE BOX. ALLOW
ADEQUATE ROOM (6-8" PREFERABLY) ON BOTH SIDES OF
ASSEMBLY FOR ACCESS.
3.STACKED VAULT BOXES MUST BE PERMANENTLY FASTENED
TOGETHER.
4.SUPPORT ALL DOUBLE CHECK ASSEMBLIES 1.5" IN SIZE AND
GREATER. SUPPORTS SHALL NOT INTERFERE WITH MAINTENANCE
OR NORMAL OPERATION OF THE ASSEMBLY.
5.FLUSH LINES THOROUGHLY BEFORE INSTALLING ASSEMBLY.
6.WHERE DISTANCE BETWEEN WATER METER OR TAP AND
BACKFLOW DEVICE IS GREATER THAN 10', ALL EXPOSED PIPING
SHALL BE STENCILED "FEED LINE TO BACKFLOW PREVENTER - DO
NOT TAP" AT 5' INTERVALS.
7.IRRIGATION CONTRACTOR TO COORDINATE WITH RENTON WATER
DEPARTMENT FOR PRE-INSTALLATION REQUIREMENTS, MUNICIPAL
INSTALLATION, INSPECTION AND TESTING OF BACKFLOW
PREVENTION DEVICE.
VALVES:
1.VALVE LOCATIONS SHOWN ARE DIAGRAMMATIC. INSTALL IN
GROUND COVER/SHRUB AREAS WHERE POSSIBLE.
2.INSTALL VALVE BOXES MINIMUM 12" FROM AND PERPENDICULAR
TO WALK, CURB, LAWN, BUILDING OR LANDSCAPE FEATURE. AT
MULTIPLE VALVE BOX GROUPS, EACH BOX SHALL BE AN EQUAL
DISTANCE FROM THE WALK, CURB, LAWN, ETC. AND EACH BOX
SHALL BE MINIMUM 12" APART. SHORT SIDE OF VALVE BOXES
SHALL BE PARALLEL TO WALK, CURB, LAWN, ETC.
3.LOCATE QUICK COUPLING VALVE 12" FROM HARDSCAPE AREA AND
NO FURTHER THAN 100' APART.
CONTROLLER & WIRING:
1.ELECTRICAL CONTRACTOR TO SUPPLY 120 VAC (2.5 AMP) SERVICE
TO CONTROLLER LOCATION. IRRIGATION CONTRACTOR TO MAKE
FINAL CONNECTION FROM ELECTRICAL STUB-OUT TO
CONTROLLER.
2.EACH CONTROLLER SHALL HAVE ITS OWN INDEPENDENT GROUND
WIRE.
3.REMOTE CONTROL VALVES SHALL BE WIRED TO CONTROLLER IN
SEQUENCE AS SHOWN ON PLANS. RUN WIRE FROM EACH RCV TO
THE CONTROLLER. SPLICING WIRES TOGETHER OUTSIDE OF
VALVE BOXES WILL NOT BE PERMITTED. SPLICING OF 24-VOLT
WIRES WILL NOT BE PERMITTED EXCEPT IN VALVE BOXES. LEAVE
A 24" COIL OF EXCESS WIRE AT EACH SPLICE AND 100 FEET ON
CENTER ALONG WIRE RUN. TAPE WIRE IN BUNDLES 10 FEET ON
CENTER. NO TAPING PERMITTED INSIDE SLEEVES.
4.SPLICE CONTROL WIRES USING 3M-DBY, OR APPROVED SPLICE
KITS, AND PROVIDE A 24" EXPANSION LOOP FOR ALL CONTROL
WIRES.
5.INSTALL A SPARE CONTROL WIRE OF A DIFFERENT COLOR ALONG
THE ENTIRE MAIN LINE. LOOP 36" EXCESS WIRE INTO EACH SINGLE
VALVE BOX AND INTO ONE VALVE BOX IN EACH GROUP OF VALVES.
SPRINKLERS:
1.ALL SPRINKLER HEADS SHALL BE SET PERPENDICULAR TO FINISH
GRADE OF THE AREA TO BE IRRIGATED UNLESS OTHERWISE
DESIGNATED ON THE PLANS.
2.IN LOCATIONS WHERE LOW HEAD DRAINAGE WILL CAUSE EROSION
AND EXCESS WATER, USE POP-UP SPRINKLER MODELS WITH
INTEGRAL CHECK VALVE OR CHECK VALVE ON SHRUB RISERS IN
LIEU OF SCHEDULE 80 COUPLING.
3.THE IRRIGATION CONTRACTOR SHALL FLUSH AND ADJUST ALL
SPRINKLER HEADS FOR OPTIMUM PERFORMANCE AND TO
PREVENT OVERSPRAY ONTO WALKS, ROADWAYS AND/OR
BUILDINGS AS MUCH AS POSSIBLE. THIS SHALL INCLUDE
SELECTING THE BEST DEGREE OF ARC TO FIT THE EXISTING SITE
CONDITIONS AND TO THROTTLE THE FLOW CONTROL AT EACH
VALVE TO OBTAIN THE OPTIMUM OPERATING PRESSURE FOR EACH
SYSTEM.
4.WHEN VERTICAL OBSTRUCTIONS (STREET LIGHTS, TREES, FIRE
HYDRANTS, ETC.) INTERFERE WITH THE SPRAY PATTERN OF THE
HEADS SO AS TO PREVENT PROPER COVERAGE, THE IRRIGATION
CONTRACTOR SHALL FIELD ADJUST THE SPRINKLER SYSTEM BY
INSTALLING A QUARTER, THIRD OR HALF CIRCLE HEAD AT THE
SIDES OF THE OBSTRUCTION SO AS TO PROVIDE PROPER
COVERAGE. ALL ADJUSTMENTS SHALL BE MADE AT NO
ADDITIONAL COST TO THE OWNER.
OPERATION:
1.IRRIGATION CONTRACTOR SHALL INSTALL PROVISIONS FOR
WINTERIZATION BY PROVIDING BOTH MANUAL DRAINS AT ALL LOW
POINTS (AUTOMATIC DRAIN VALVES ARE NOT PERMITTED) AND A
MEANS TO BLOW OUT IRRIGATIONS SYSTEM PIPES WITH
PRESSURIZED AIR. SLOPE PIPE AT 1/2" MIN. TO DRAINS.
PRESSURIZED AIR NOT TO EXCEED 20 PSI ON DRIP IRRIGATION
LINES.
2.OPERATE IRRIGATION CONTROLLER(S) BETWEEN THE HOURS OF
10:00 PM AND 5:00 AM TO MINIMIZE CONFLICTS WITH PEDESTRIANS
AND VEHICULAR PARKING OR TRAFFIC.
3.INSTALL AIR RELIEF VALVES PER MANUFACTURER'S
RECOMMENDATIONS, IN CONTROL VALVE BOXES.
4.INSTALL DRIP LINES ACCORDING TO MANUFACTURER'S
INSTRUCTIONS. NO DRIP TUBING SHALL BE LEFT EXPOSED.
IRRIGATION SPECIFICATIONS
SITE PREPARATION
1.SEE CIVIL DRAWINGS FOR GRADING, AND UTILITY LOCATIONS AND
DIMENSIONS. CONTRACTOR SHALL BE RESPONSIBLE FOR
CONFIRMING LOCATION OF ALL UTILITIES. CALL FOR UTILITY
LOCATIONS PRIOR TO DEMOLITION. CONSULT WITH ARCHITECT
AND/ OR GENERAL CONTRACTOR PRIOR TO DEMOLITION.
2.CONTRACTOR SHALL NOTIFY THE OWNER'S REPRESENTATIVE OF
ANY DISCREPANCIES FOUND IN PLANS OR DEVIATIONS FROM
DOCUMENTED ON-SITE CONDITIONS. FAILURE TO NOTIFY THE
OWNER'S REPRESENTATIVE IN A TIMELY MANNER SHALL RESULT IN
CONTRACTOR ASSUMING RESPONSIBILITY FOR COSTS
ASSOCIATED WITH ANY AND ALL REMEDIAL MEASURES REQUIRED.
3.CONTRACTOR AND ALL SUBCONTRACTORS SHALL CONFORM TO
ALL STATE AND/OR LOCAL CODES.
4.CONTRACTOR SHALL INSTALL ALL PRODUCTS PER
MANUFACTURERS SPECIFICATIONS.
5.IF UTILITIES ARE ENCOUNTERED, CONTRACTOR SHALL PROMPTLY
INFORM BUILDING REPRESENTATIVE AND OWNER'S
REPRESENTATIVE AND REPAIR ANY DAMAGES.
6.CONTRACTOR AND ALL SUBCONTRACTORS SHALL CLEAN UP ALL
DEBRIS AND LEAVE SITE IN A NEAT AND ORGANIZED CONDITION
DAILY. CONTRACTOR SHALL CLEAN ADJACENT SURFACES DAILY AS
NECESSARY (COORDINATE WITH GENERAL CONTRACTOR FOR
APPROVAL) DAILY.
7.CONTRACTOR SHALL SUBMIT LANDSCAPE PROJECT SCHEDULE TO
LANDSCAPE ARCHITECT (L.A.), A MINIMUM OF 4 WEEKS PRIOR TO
START OF ANY LANDSCAPE WORK.
BULK MATERIALS:
1.DO NOT DUMP OR STORE BULK MATERIALS NEAR STRUCTURES,
UTILITIES, WALKWAYS AND PAVEMENTS OR ON EXISTING TURF
AREAS OR PLANTS.
2.PROVIDE EROSION-CONTROL MEASURES TO PREVENT EROSION
OR DISPLACEMENT OF BULK MATERIALS, DISCHARGE OF
SOIL-BEARING WATER RUNOFF, AND AIRBORNE DUST REACHING
ADJACENT PROPERTIES, WATER CONVEYANCE SYSTEMS, OR
WALKWAYS.
3.DO NOT MOVE OR HANDLE MATERIALS WHEN THEY ARE
SATURATED OR FROZEN.
PLANTING SOIL:
1.LANDSCAPE AREAS SHALL BE DEEP TILLED TO A DEPTH OF AT
LEAST 12 INCHES TO FACILITATE DEEP WATER PENETRATION AND
SOIL OXYGENATION.
2.FOR ALL NEWLY LANDSCAPED AREAS, 4 CUBIC YARDS OF
COMPOST PER 1,000 SQUARE FEET OF LANDSCAPE AREA SHALL BE
INCORPORATED TO A DEPTH OF AT LEAST 4 INCHES.
3.FOR ALL NEWLY LANDSCAPED AREAS, INSTALL SANDY LOAM
TOPSOIL. SPREAD TO DEPTHS IN PLAN NOTES, IN ADDITION TO THE
INCORPORATION OF ORGANIC MATTER INTO THE TOP HORIZON OF
THE IMPORTED SOIL.
4.TOPSOIL SHALL BE 3-PART SANDY LOAM TOPSOIL FROM CEDAR
GROVE OR APPROVED ALTERNATE.
4.COMPOST SHALL BE COMPOST MULCH FROM CEDAR GROVE OR
APPROVED EQUAL.
MULCHING:
1.MEDIUM (3-4" SIZE) RED FIR BARK MULCH SHALL BE APPLIED TO
ALL PLANTING AREAS. MULCHES SHALL BE APPLIED TO THE
FOLLOWING DEPTHS: 3 INCHES OVER BARE SOIL, AND 2 INCHES
WHERE PLANT MATERIALS WILL COVER.
2.TOP OF MULCH SHALL BE FLUSH WITH FINISH GRADES. DO NOT
PLACE MULCH WITHIN 2 INCHES OF TRUNKS OR STEMS.
PREPARATION:
1.CLEAN SOIL OF CONCRETE SLURRY, CONCRETE LAYERS OR
CHUNKS, CEMENT, PLASTER, BUILDING DEBRIS, OILS, GASOLINE,
DIESEL FUEL, PAINT THINNER, TURPENTINE, TAR, ROOFING
COMPOUND, ACID AND OTHER EXTRANEOUS MATERIALS THAT ARE
HARMFUL TO PLANT GROWTH.
PLACING MANUFACTURED PLANTING TOPSOIL OVER EXPOSED
SUBGRADE:
1.TILL SUBGRADE TO A MINIMUM DEPTH OF 12" INCHES. REMOVE
STONES LARGER THAN 1-1/2 INCHES IN ANY DIMENSION AND
STICKS, ROOTS, RUBBISH, AND OTHER EXTRANEOUS MATTER AND
LEGALLY DISPOSE OF THEM OFF OWNER'S PROPERTY.
2.APPLY, ADD SOIL AMENDMENTS, AND MIX APPROXIMATELY HALF
THE THICKNESS OF TOPSOIL OVER PREPARED, LOOSENED
SUBGRADE. MIX THOROUGHLY INTO TOP 4 INCHES OF SUBGRADE.
SPREAD REMAINDER OF TOPSOIL.
3.SPREAD UNAMENDED SOIL TO TOTAL DEPTH REQUIRED TO MEET
FINISH GRADES AFTER NATURAL SETTLEMENT. DO NOT SPREAD IF
SOIL OR SUBGRADE IS FROZEN, MUDDY, OR EXCESSIVELY WET.
4.APPLY AND MIX TOPSOIL IN LIFTS NOT EXCEEDING 8 INCHES IN
LOOSE DEPTH FOR MATERIAL COMPACTED BY COMPACTION
EQUIPMENT, AND NOT MORE THAN 6 INCHES IN LOOSE DEPTH FOR
MATERIAL COMPACTED BY HAND-OPERATED TAMPERS.
PROTECTION:
1.IF PLANTING SOIL OR SUBGRADE IS OVERCOMPACTED, DISTURBED,
OR CONTAMINATED BY FOREIGN OR DELETERIOUS MATERIALS OR
LIQUIDS, REMOVE THE PLANTING SOIL AND CONTAMINATION,
RESTORE THE SUBGRADE AS DIRECTED BY LANDSCAPE
ARCHITECT AND REPLACE CONTAMINATED PLANTING SOIL WITH
NEW PLANTING SOIL.
2.REMOVE SURPLUS SOIL AND WASTE MATERIAL INCLUDING EXCESS
SUBSOIL, UNSUITABLE MATERIALS, TRASH, AND DEBRIS AND
LEGALLY DISPOSE OF THEM OFF OWNER'S PROPERTY UNLESS
OTHERWISE INDICATED.
PLANT MATERIAL OBSERVATION:
1.DO NOT PRUNE TREES AND SHRUBS BEFORE DELIVERY. PROTECT
BARK, BRANCHES AND ROOT SYSTEMS FROM SUN SCALD, DRYING,
WIND BURN, SWEATING, WHIPPING, AND OTHER HANDLING AND
TYING DAMAGE. PROVIDE PROTECTIVE COVERING OF PLANTS
DURING SHIPPING AND DELIVERY.
PREPARATION:
1.PROTECT STRUCTURES, UTILITIES, SIDEWALKS, PAVEMENTS, AND
OTHER FACILITIES AND TURF AREAS AND EXISTING PLANTS FROM
DAMAGE CAUSED BY PLANTING OPERATIONS.
2.LAYOUT PLANTS AT LOCATIONS DIRECTED BY PLAN. STAKE
LOCATIONS OF INDIVIDUAL TREES AND SHRUBS AND OUTLINE
AREAS FOR MULTIPLE PLANTINGS.
3.DELIVERY: DELIVER PLANTS AFTER PREPARATIONS FOR PLANTING
HAVE BEEN COMPLETED AND INSTALL IMMEDIATELY. IF PLANTING
IS DELAYED MORE THAN SIX HOURS AFTER DELIVERY, SET PLANTS
AND TREES IN THEIR APPROPRIATE ASPECT (SUN, FILTERED SUN,
OR SHADE), PROTECT FROM WEATHER AND MECHANICAL DAMAGE,
AND KEEP ROOTS MOIST.
4.FIELD CONDITIONS: VERIFY ACTUAL GRADE ELEVATIONS, SERVICE
AND UTILITY LOCATIONS, IRRIGATION SYSTEM COMPONENTS, AND
DIMENSIONS OF PLANTINGS AND CONSTRUCTION CONTIGUOUS
WITH NEW PLANTINGS BY FIELD MEASUREMENTS BEFORE
PROCEEDING WITH PLANTING WORK.
5.PLANT MATERIAL: FURNISH NURSERY GROWN PLANTS TRUE TO
GENUS, SPECIES, VARIETY, CULTIVARS, STEM FORM, SHEARING,
AND OTHER FEATURES INDICATED ON PLANT SCHEDULE WITH
HEALTHY ROOT SYSTEMS DEVELOPED BY TRANSPLANTING OR
ROOT PRUNING. PROVIDE WELL-SHAPED, FULL-BRANCHED,
HEALTHY, VIGOROUS STOCK, DENSELY FOLIATED WHEN IN LEAF
AND FREE OF DISEASE, PESTS, EGGS, LARVAE AND DEFECTS SUCH
AS KNOTS, SUN SCALD, INJURIES, ABRASIONS AND
DISFIGUREMENT.
6.PRUNING: PRUNE, THIN, AND SHAPE TREES, SHRUBS AND VINES AS
DIRECTED BY LANDSCAPE ARCHITECT.
7.LABELING: LABEL AT LEAST ONE PLANT OF EACH VARIETY, SIZE,
AND CALIPER WITH A SECURELY ATTACHED, WATERPROOF TAG
BEARING LEGIBLE DESIGNATION OF COMMON NAME AND FULL
SCIENTIFIC NAME, INCLUDING GENUS AND SPECIES.
8.IF FORMAL ARRANGEMENTS OR CONSECUTIVE ORDER OF PLANTS
IS INDICATED ON THE THE DRAWINGS, SELECT STOCK FOR
UNIFORM HEIGHT AND SPREAD, AND NUMBER THE LABELS TO
ASSURE SYMMETRY IN PLANTING.
PLANTING:
1.THE CONTRACTOR SHALL VERIFY ALL PLANT MATERIAL
QUANTITIES PRIOR TO INSTALLATION. ANY PLANT MATERIAL
QUANTITIES LISTED ARE FOR THE CONVENIENCE OF THE
CONTRACTOR. ACTUAL NUMBER OF SYMBOLS SHALL HAVE
PRIORITY OVER QUANTITY DESIGNATED. THE CONTRACTOR SHALL
BE RESPONSIBLE FOR COUNTING THE TOTAL NUMBER OF PLANTS
INDICATED ON THE PLANS AND ESTIMATING GROUNDCOVER
QUANTITIES.
2.THE CONTRACTOR SHALL FURNISH AND PAY FOR ALL CONTAINER
OR FIELD GROWN TREES, SHRUBS AND VINES, INCLUDING SEEDED
AND SODDED TURF, HYDROMULCHES AND FLATTED
GROUNDCOVERS. THE CONTRACTOR SHALL ALSO BE
RESPONSIBLE AND PAY FOR: PLANTING OF ALL PLANT MATERIALS;
THE SPECIFIED GUARANTEE OF ALL PLANT MATERIALS; THE
STAKING AND GUYING OF TREES AND THE CONTINUOUS
PROTECTION OF ALL PLANT MATERIALS UPON THEIR ARRIVAL AT
THE SITE.
3.SET OUT AND SPACE GROUND COVER AND PLANTS OTHER THAN
TREES, SHRUBS AND VINES AS INDICATED ON DRAWINGS IN EVEN
ROWS WITH TRIANGULAR SPACING.
4.USE PLANTING SOIL FOR BACKFILL.
5.DIG HOLES LARGE ENOUGH TO ALLOW SPREADING OF ROOTS.
6.WATER THOROUGHLY AFTER PLANTING, TAKING CARE NOT TO
COVER PLANT CROWNS WITH WET SOIL.
7.PROTECT PLANTS FROM HOT SUN AND WIND; REMOVE
PROTECTION IF PLANTS SHOW EVIDENCE OF RECOVERY FROM
TRANSPLANTING SHOCK.
8.THIRTY (30) DAYS AFTER INSTALLATION ALL LANDSCAPE SHALL BE
FERTILIZED WITH BEST FERTILIZER COMPANY 16-6-8 OR
APPROVED EQUAL, APPLIED AT THE RATE OF SIX POUNDS (6 LBS.)
PER 1,000 SQUARE FEET. FERTILIZER APPLICATION SHALL BE
CONTINUED THEREAFTER AT MONTHLY INTERVALS.
9.FERTILIZER TABLETS SHALL BE AGRIFORM, 21 GRAM TABLETS
(20-10-5) IN QUANTITIES AS FOLLOWS:
1 AND 3 GALLON SHRUBS -1
5 GALLON SHRUB AND TREE -3
15 GALLON SHRUB -4
15 GALLON TREE -5
1 PER 4" OF ROOT BALL SIZE
10.PLACE TABLETS AT HALF THE DEPTH OF THE ROOTBALL.
REPAIR AND REPLACEMENT:
1.REPAIR OR REPLACE EXISTING OR NEW TREES AND OTHER PLANTS
THAT ARE DAMAGED BY CONSTRUCTION OPERATIONS, IN A
MANNER APPROVED BY LANDSCAPE ARCHITECT.
CLEANING AND PROTECTION:
1.DURING PLANTING, KEEP ADJACENT PAVING AND CONSTRUCTION
CLEAN AND WORK AREA IN AN ORDERLY CONDITION.
2.REMOVE SURPLUS SOIL AND WASTE MATERIAL INCLUDING EXCESS
SUBSOIL, UNSUITABLE SOIL, TRASH, AND DEBRIS AND LEGALLY
DISPOSE OF THEM OFF OWNER'S PROPERTY.
3.PROTECT PLANTS FROM DAMAGE DUE TO LANDSCAPE
OPERATIONS AND OPERATIONS OF OTHER CONTRACTORS AND
TRADES. MAINTAIN PROTECTION DURING INSTALLATION AND
MAINTENANCE PERIODS.
4.AFTER INSTALLATION AND BEFORE SUBSTANTIAL COMPLETION,
REMOVE NURSERY TAGS, NURSERY STAKES, TIE TAPE, WIRE,
BURLAP, AND OTHER DEBRIS FROM PLANT MATERIAL, PLANTING
AREAS, AND PROJECT SITE.
MAINTENANCE SERVICE:
1.LANDSCAPE CONTRACTOR SHALL PROVIDE MAINTENANCE BY
SKILLED EMPLOYEES OF LANDSCAPE INSTALLER AND MAINTAIN
THE PLANT MATERIAL, IRRIGATION SYSTEM AND KEEP PLANTED
AREAS WEED FREE. BEGIN MAINTENANCE IMMEDIATELY AFTER
PLANTS ARE INSTALLED AND CONTINUE UNTIL PLANTINGS ARE
ACCEPTABLY HEALTHY AND WELL ESTABLISHED AND
THROUGHOUT WARRANTY PERIOD.
WARRANTY:
1.INSTALLER AGREES TO REPAIR OR REPLACE PLANTINGS AND
ACCESSORIES THAT FAIL IN MATERIALS, WORKMANSHIP, OR
GROWTH WITHIN SPECIFIED WARRANTY PERIOD. WARRANTY
PERIOD TO BE FOR 12 MONTHS FROM DATE OF UNTIL FINAL
ACCEPTANCE IS RECEIVED IN WRITING FROM THE OWNERS
REPRESENTATIVE.
LANDSCAPE SPECIFICATIONS
L5.1
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