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I. REFER TO INDIVIDUAL SHEET LI FOR
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SPECIFICATION AND IRRIGATION
PERFORMANCE SPECIFICATION.
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DWO.DATE
08/16/22
PROD. NO.
JBA-2129
ASSOCIATES
Site Planning / Landscape Aresltecturs
SHEET
1 OF 4
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DWG.DATE 08/16/22
PROD. NO. JBA-2129
SHEET 2 OF 4
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5'-(
2'-1
2 x BALL DIA.
5' x 2" x 2" CEDAR STAKE, 2 PER TREE.
SET STAKES PARALLEL TO PREVAILING
WIND. SECURE WITH RUBBER CINCH TIES.
DO NOT PENETRATE ROOTBALL.
SEE NOTE 3.
ROOT GROWN TO BE 1-2"
ABOVE FINISH GRADE.
TRUNK FLARE MUST BE VISIBLE
IN PLANTING BEDS:
MULCH AS SPECIFIED.
BRUSH AWAY FROM TRUNK.
FERTILIZER TAB5 AS SPECIFIED
SNIP BASKET 8
TURN BACK BURLAP 1/3
BAGKFILL W/ TOPSOIL MIX
AS 5PEG'D $ TAMP LOOSELY
IN 4"-6" LIFTS
NOTES:
I. REMOVE ALL TWINE, ROPE, OR BINDINGS FROM ALL TRUNKS.
2. REMOVE BURLAP AND WIRE BASKETS FROM THE TOP 1/3 OF ALL ROOT BALLS AFTER
PLANTIN6. IF 5YNTHETIG WRAP/BURLAP 15 USED, IT MUST BE COMPLETELY REMOVED.
3. 5TAKIN6 OF TREES TO BE THE GONTRAGTOR'S OPTION; HOWEVER, THE CONTRACTOR 15
RESPONSIBLE TO INSURE THAT ALL TREES ARE PLANTED STRA16HT AND REMAIN
5TRA16HT FOR A MIN OF I YEAR. ALL 5TAKIN6 SHALL BE REMOVED AT THE END OF
THE I YEAR WARRANTY PERIOD.
4. TREES PLANTED IN TURF AREAS: REMOVE TURF 3' DIA. FROM TREE TRUNK.
OI TREE PLANTIN6/STAKIN6
NOT TO 51-ALE
3" OF MULCH AS SPECIFIED.
BRUSH AWAY FROM STEM.
TURN BACK BURLAP, TOP 1/3 OF BALL.
KEEP GROUND LINE SAME AS NURSERY.
FERTILIZER TAB5 AS SPECIFIED
PLANTING SOIL AS PER SPECS.
NOTE: DIG HOLE TWIGE THE SIZE OF ROOTBALL.
O SHRUB PLANTIN6
TURF
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FINISH J
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SIZE
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PIGEA 6LAUGA 'DENSATA'
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PIGEA ABIES
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SHADE TREES (GLASS III)
LP BLOOD600D LONDON PLANETREE
PLATANUS x AGERIFOLIA 'BLOOD600D'
2" GAL BSB
APPROVED RESIDENTIAL STREET TREE SELECTION
LIST:
SHADE/STREET TREES (GLASS II)
AUTUMN PURPLE ASH
FRAXINUS AMERIGANA 'AUTUMN PURPLE'
2" GAL BSB
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6LEDITSIA TRIAGANTHOS INERMIS 'SKYGOLE'
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TILIA GORDATA
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SS SPRING SNOW CRABAPPLE MALUS 'SPRIN&SNOW' 2" GAL BSB
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LA'j��I AL A AL JLA71 ®'j��I �l 07E5-
LOCATION AREA REQUIRED PROVIDED I. ALL PLANTING AREAS SHALL BE INSTALLED BE IN AGGORDANGE WITH CITY OF MERIDIAN LANDSCAPE CODE.
REFER TO SHT L3 - SPEC, SEGTION 32 CIO 00 - LANDSCAPE SPEGIFIGATIONS.
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N. McDERMOTT RD. 25' 565' / 35' = 16 TREES 32 TREES
(+ ADDITIONAL 259 2. ALL PLANTING AREAS TO BE WATERED WITH AN AUTOMATIC UNDERGROUND IRRIGATION SYSTEM. REFER TO
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SHT L3 - SPEC SEGTION 32 84 00 - IRRIGATION PERFORMANCE SPEGIFIGATIONS.
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PARK/GOMMON OPEN SPAGE 10,885 SF/8000 = I TREES 13 TREES 3. LOCATE AND PROTECT ALL UTILITIES DURING GONSTRUGTION.
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4. TREES SHALL NOT BE PLANTED WITHIN THE 10-FOOT GLEAR ZONE OF ALL STORM DRAIN PIPE, STRUCTURES, OR
FACILITIES. SEEPAGE BEDS MUST BE PROTEGTED FROM ANY AND ALL CONTAMINATION DURING THE
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NUMBER OF RESIDENTIAL LOTS: 40 GONSTRUGTION AND INSTALLATION OF THE LANDSCAPE IRRIGATION SYSTEM. NO SOD SHALL BE PLACED
LINEAR FEET OF PARK STRIP: 2,206 LF OVER OPEN SAND WINDOWS WHERE INDICATED ON PLAN.
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40 LOTS X 26' DRIVEWAY WIDTH: 1,040 LFft4
5. NO TREES SHALL IMPEDE THE 40' VISION TRIANGLE AT ALL INTERSECTIONS. NO CONIFEROUS TREES OR
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LINEAR FEET OF RESIDENTIAL PARK STRIPS MINUS DRIVEWAY WIDTHS: 1,16(6 LF SHRUBS OVER 3' H16H AT MATURITY WILL BE LOCATED WITHIN SIGHT TRIANGLE OR ROW. AS TREES MATURE,
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THE OWNER SHALL BE RESPONSIBLE FOR PRUNING TREE CANOPIES TO MEET REQUIREMENTS FOR MAINTAINING
NUMBER OF TREES REG2UIRED IN RESIDENTIAL PARK STRIPS: 33 TREES GLEAR VISIBILITY WITHIN 40' STREET VISION TRIANGLE.
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1,16(6 LF / 35' = 33 TREES REQUIRED
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(b. TREES SHALL BE PLANTED NO CLOSER THAN 50' FROM INTERSECTION STOP 516NS.
NUMBER OF TREES PROVIDED ON RESIDENTIAL STREETS: 41 TREES
7. GLASS 11 TREES AND LANDSCAPE IN FRONT OF BUILDING LOTS ON INTERIOR STREETS TO BE GOMPLETED
TOTAL NUMBER OF TREES: 86 TREES DURING GONSTRUGTION ON THESE LOTS. TREE LOGATIONS MAY BE ALTERED TO AGGOMMODATE DRIVEWAYS
AND UTILITIES. TREES MUST BE GLASS II AND SHALL NOT BE PLANTED WITHIN 5' OF WATER METERS OR
UNDERGROUND UTILITY LINES. TREE SPEGIES TO BE SELEGTED BY HOME OWNER/BUILDER FROM APPROVED
RESIDENTIAL STREET TREE SELECTION LIST AS SHOWN IN PLANT SGHEDULE.
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8. PLANT LIST IS SUBJEGT TO SUBSTITUTIONS OF SIMILAR SPEGIES DUE TO PLANT MATERIAL AVAILABILITY.
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BURLAP AND WIRE BASKETS TO BE REMOVED FROM ROOT BALL AS MUCH AS POSSIBLE, AT LEAST HALFWAY
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DOWN THE BALL OF THE TREE. ALL NYLON ROPES TO BE GOMPLETELY REMOVED FROM TREES.
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cf. ALL EXISTING TREE ON SITE ARE 5GRUB VOLUNTEER TREES ALONG DITCH BANKS AND ARE TO BE REMOVED.
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NO EXISTING TREES ON SITE TO BE MITIGATED FOR.
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10. STREET TREES SHALL BE PLANTED NO CLOSER THAN 25FROM STREET LIGHT FIXTURES.
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11. MULGH FOR PLANTING BEDS SHALL BE ROCK MULCH, 3/4"-1" CRUSHED BASALT LANDSGAPE ROGK.
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LANDSGAPE FABRIC, IS REQUIRED BENEATH ROGK MULCH IN ALL LANDSGAPE AREAS IT IS INSTALLED.
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REFER TO SHT L3 - SPEC, SEGTION 32 GO 00 - LANDSCAPE SPEGIFIGATIONS.
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JENSENBELTS
ASSOCIATES
She Wining / Landso a Architecture
1509 Tyrod tens. Ste no Bolan. D Wm
ri. tzoto 349-795 ..w. onoonb ts.
SCALE AS SHOWN
DWG.DATE 08/16/22
PROD. NO. JBA-2129
SHEET 3 OF 4
L2
SECTION 32 90 00 - LANDSCAPE WORK
SECTION 32 84 00 - IRRIGATION (PERFORMANCE)
PART 1-GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of Contract, including General and Supplementary
Conditions and Division 1 Specification Sections.
1.2 SUMMARY
A. This Section includes provisions for the following items:
1. Trees.
2. Shrubs; Ground cover.
3. Lawns.
4. Topsoil and Soil Amendments.
5. Miscellaneous Landscape Elements.
6. Initial maintenance of landscape materials.
B. Related Sections: The following sections contain requirements.
1. Underground sprinkler system is specified in Section 32 84 00 - Irrigation
1.3 QUALITY ASSURANCE
A. Subcontract landscape work to a single firm specializing in landscape work.
B. Source Quality Control:
1. General: Ship landscape materials with certificates of inspection required by governing
authorities. Comply with regulations applicable to landscape materials.
2. Do not make substitutions. If specified landscape material is not obtainable, submit proof
of non -availability to Architect, with proposal for use of equivalent material.
3. Analysis and Standards: Package standard products with manufacturer's certified
analysis. For other materials, provide analysis by recognized laboratory made in
accordance with methods established by the Association of Official Agriculture Chemists,
wherever applicable.
4. Trees, Shrubs and Groundcovers: Provide trees, shrubs, and groundcovers of quantity,
size, genus, species, and variety shown and scheduled for work complying with
recommendations and requirements of ANSI Z60.1 "American Standard for Nursery
Stock". Provide healthy, vigorous stock, grown in recognized nursery in accordance with
good horticultural practice and free of disease, insects, eggs, larvae, and defects such as
knots, sun -scald, injuries, abrasions, or disfigurement.
5. Label at least one tree and one shrub of each variety with attached waterproof tag with
legible designation of botanical and common name.
a. Where formal arrangements or consecutive order of trees or shrubs are shown, select
stock for uniform height and spread.
6. Inspection: The Architect may inspect trees and shrubs either at place of growth or at site
before planting, for compliance with requirements for genus, species, variety, size, and
quality. Architect retains right to further inspect trees and shrubs for size and condition of
balls and root systems, insects, injuries and latent defects, and to reject unsatisfactory or
defective material at any time during progress of work. Remove rejected trees or shrubs
immediately from project site.
1.4 SUBMITTALS
A. General: Submit the following in accordance with Conditions of Contract and Division 1
Specification Sections.
B. Plant and Material Certifications:
1. Certificates of inspection as required by governmental authorities.
2. Manufacturer's or vendor's certified analysis for soil amendments and fertilizer materials.
3. Label data substantiating that plants, trees, shrubs and planting materials comply
specified requirements.
C. Mulch: Submit 1 gal bag of mulch sample for approval.
1.5 DELIVERY, STORAGE AND HANDLING
A. Sod: Time delivery so that sod will be placed within 24 hours after stripping. Protect sod
against drying and breaking of rolled strips.
B. Trees and Shrubs: Provide freshly dug trees and shrubs. Do not prune prior to delivery
unless otherwise approved by Architect. Do not bend or bind tie trees or shrubs in such
manner as to damage bark, break branches, or destroy natural shape. Provide protective
covering during delivery. Do not drop balled and burlapped stock during delivery.
C. Deliver trees and shrubs after preparations for planting have been completed and plant
immediately. If planting is delayed more than 6 hours after delivery, set trees and shrubs in
shade, protect from weather and mechanical damage, and keep roots moist by covering with
mulch, burlap or other acceptable means of retaining moisture.
D. Do not remove container -grown stock from containers until planting time.
E. Do not drop or dump materials from vehicles during delivery or handling. Avoid any damage
to rootballs during deliver, storage and handling.
1.6 JOB CONDITIONS
A. Utilities: Determine location of underground utilities and work in a manner which will avoid
possible damage. Hand excavate, as required. Maintain grade stakes until removal is
mutually agreed upon by parties concerned.
B. Excavation: When conditions detrimental to plant growth are encountered, such rubble fill,
adverse drainage conditions, or obstructions, notify Architect before planting.
C. Adjacent Landscape: Protect planted areas adjacent to construction area. Replace or
recondition to prior conditions at project completion.
1.7 SEQUENCING AND SCHEDULING
A. Planting Time: Proceed with, and complete landscape work as rapidly as portions of site
become available, working within seasonal limitations for each kind of landscape work
required.
1. Plant or install all plant materials during normal planting seasons from 15 March to
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15 November.
2. Correlate planting with specified maintenance periods to provide maintenance from
date of substantial completion.
B. Coordination with Lawns: Plant trees and shrubs after final grades are established and prior
9
to planting of lawns, unless otherwise acceptable to Architect. If planting of trees and shrubs
occurs after lawn work, protect lawn areas and promptly repair damage to lawns resulting
from planting operations.
1.8 SPECIAL PROJECT WARRANTY
A. Warranty lawns through specified lawn maintenance period, until Final Project Acceptance.
B. Warranty trees and shrubs, for a period of one year after date of substantial completion,
against defects including death and unsatisfactory growth, except for defects resulting from
neglect by Owner, abuse or damage by others, or unusual phenomena or incidents beyond
Landscape Installer's control.
C. Remove and replace trees, shrubs, or other plants dead or in unhealthy condition during
warranty period. Make replacements during growth season following end of warranty period.
Replace trees and shrubs which are in doubtful condition at end of warranty period; unless,
in opinion of Architect, it is advisable to extend warranty period for a full growing season.
PART 2-PRODUCTS
2.1 TOPSOIL
A. If deemed usable, native topsoil shall be stockpiled for re -use in landscape work. Topsoil
shall be fertile, friable, natural loam, surface soil, reasonable free of subsoil, clay lumps,
brush, weeds, roots, stumps, stones larger than 1 inch in any dimension, and other
extraneous or toxic matter harmful to plant growth.
1. Contractor shall send a minimum of three (3) representative topsoil samples for testing.
See testing requirements below. Contractor is responsible for whatever soil additives are
recommended by the tests. Submit to Architect for approval. Compost will be added to
other additives and added regardless of test results.
B. If quantity of stockpiled topsoil is insufficient, contractor to provide imported topsoil that is
fertile, friable, natural loam, surface soil, reasonably free of subsoil, clay lumps, brush,
weeds and other litter, and free of roots, stumps, stones larger than 1 inches in any
dimension, and other extraneous or toxic matter harmful to plant growth.
1. Obtain topsoil from local sources or areas with similar soil characteristics to that of project
site. Obtain topsoil only from naturally well -drained sites where topsoil occurs in a depth
of not less than 4 inches. Do not obtain from bogs or marshes.
2. Composition: Topsoil shall contain from 1 to 20% organic matter as determined by the
Organic Carbon, 6A, Chemical Analysis Method described in USDA Soil Survey
Investigation Report No. 1. Maximum particle size, 3/4-inch, with maximum 3% retained
on 1/4-inch screen.
Other components shall conform to the following limits:
pH 6.5 to 7.5
Soluble Salts 600 ppm maximum
Silt 25-50%
Clay 10-30%
Sand 20-50%
3. Contractor shall submit representative soil report on imported topsoil proposed for use for
approval. Report shall meet standards below. Contractor is responsible for whatever
soil additives are recommended by the test. Compost will be in addition to other
additives and added regardless of test results.
C. Soil Testing
1. Soil tests are required for this project (see above for requirements). Test shall be provided
as follows:
a. Provide certified analysis at time of sample submitted (three samples imported
topsoil). Amend soils per chemist's recommendations and as herein specified unless
otherwise approved by Architect.
2. Test shall include, but not limited to recommendations on chemical distributions, organic
contents, pH factors, and sieve analysis as necessary. Test #1T by Western
Laboratories (1-800-658-3858) is required.
3. Contractor is responsible for whatever soil additives are recommended by the soil testing
laboratory.
4. Contractor shall coordinate, obtain and pay for all soil tests.
5. If regenerative noxious weeds are present in the soil, remove all resultant growth
including roots throughout one-year period after acceptance of work, at no cost to Owner.
2.2 pH ADJUSTERS
A. When pH does not comply with this specification, commercial grade aluminum sulfate shall
be used to adjust soil pH.
2.3 SOIL AMENDMENTS
A. Compost: Compost: "Cascade Compost" from Cloverdale Nursery (208) 375-5262 and
NuSoll Compost (208) 629-6912 or approved equal in equal amounts by volume.
B. Commercial Fertilizer: Fertilizer shall be complete, standard commercial brand fertilizer. It
shall be free-flowingand packaged in new waterproof, non -overlaid bags clearly labeled as
P 9 P 9 Y
to weight, manufacturer, and content. Protect materials from deterioration during delivery
and while stored at site.
1. Commercial fertilizer "A" for trees and shrubs duringlantin • slow release A riform
planting; 9
Planting 5-gram tablets 20-10-5 type or equal.
2. Commercial fertilizer "B" for lawn areas applied to bed prior to sodding, to be 16-16-17
PP P 9�
applied at the rate of ten pounds per acre.
3. Commercial fertilizer "C" for lawn areas three to four weeks after planting sod. Organic
Fertilizer Mllorganite (6-0-2) type or equal.
C. Herbicide: Pre -emergent for topical application in planting beds. Oxiadiazon 2G brand or
pre -approved equal. Use in accordance with manufacturer's recommendation on all planting
beds.
2.4 PLANT MATERIALS
A. Quality: Provide trees, shrubs, and other plants of size, genus, species, and variety shown
for landscape work and complying with recommendations and requirements of ANSI Z60.1
"American Standard for Nursery Stock".
B. Deciduous Trees: Provide trees of height and caliper scheduled or shown with branching
configuration recommended by ANSI Z60.1 for type and species required. Single stem trees
except where special forms are shown or listed.
C. Deciduous Shrubs: Provide shrubs of the height shown or listed, not less than minimum
number of canes required by ANSI Z60.1 for type and height of shrub.
D. Coniferous and Broadleafed Evergreens: Provide evergreens of sizes shown or listed.
Dimensions indicate minimum spread for spreading and semi -spreading type evergreens
and height for other types, such as globe, dwarf, cone, pyramidal, broad upright, and
columnar. Provide normal quality evergreens with well balanced form complying with
requirements for other size relationships to the primary dimension shown.
2.5 GRASS MATERIALS
A. Lawn sod: Provide strongly rooted sod, not less than 1 growing season old, and free of
weeds and undesirable native grasses. Provide only sod capable of growth and
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development when planted (viable, not dormant).
1. Provide sod of uniform ad sizes with maximum 5% deviation in either length or width.
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Broken pads or pads with uneven ends will not be acceptable. Sod pads incapable of
supporting their own weight when suspended vertically with a firm grasp on upper 10%
of pad will be rejected.
B. Provide sod composed of: Rhizomatous Tall Fescue (RTF) from the The Turf
Company, Meridian, ID (208) 888-3760 or approved equal.
2.6 MISCELLANEOUS LANDSCAPE MATERIALS
A. Anti -Desiccant: Emulsion type, film -forming agent designed to permit transpiration, but retard
excessive loss of moisture from plants. Deliver in manufacturer's fully identified containers
and mix in accordance with manufacturer's instructions.
B. Mulch: Mulch for planting beds shall be rock mulch, 3/4"-1" crushed basalt landscape rock
(or approved equal), consistent in appearance, and shall contain no toxic substance
detrimental to plant life. Landscape Fabric is required beneath rock mulch in all landscape
areas it is installed.
C. Stakes and Guys: Provide stakes and deadmen of sound new hardwood, treated softwood,
or redwood, free of knot holes and other defects. Provide wire ties and guys of 2-strand,
twisted, pliable galvanized iron wire, not lighter than 12 ga. with zinc -coated turnbuckles.
Provide not less than 2 inch diameter rubber or plastic hose, cut to required lengths and of
uniform color, material, and size to protect tree trunks from damage by wires.
PART 3 - EXECUTION
3.1 PREPARATION -GENERAL
A. General Contractor shall be responsible for excavating planting areas to appropriate depths
for placement of topsoil as specified herein.
B. Lay out individual tree and shrub locations and areas for multiple plantings. Stake locations
and outline areas and secure Architect's acceptance before start of planting work. Make
minor adjustments as may be required.
3.2 PREPARATION OF PLANTING SOIL
A. Before mixing, clean topsoil of roots, plants, sod, stones, clay lumps, and other extraneous
materials harmful or toxic to plant growth.
B. Mix specified compost and fertilizers with topsoil at rates specified. Delay mixing fertilizer if
planting will not follow placing of planting soil in a few days.
Compost: Lawn Areas: 114 compost, : 3/4 topsoil.
Shrub Areas: 1/3 compost, 2/3 topsoil.
Fertilizer: Per soil test and manufacture's recommendations.
C. For shrub and lawn area, mix planting soil either prior to planting or apply on surface of
topsoil and mix thoroughly before planting.
3.3 PREPARATION FOR PLANTING LAWNS
A. After excavating and removing surface material to proper depth, loosen subgrade of lawn
areas to a minimum depth of 4 inches. Remove stones measuring over 1-1/2 inches in any
dimension. Remove sticks, roots, rubbish, and other extraneous matter. Limit preparation to
areas which will be planted promptly after preparation.
1. Spread topsoil mix to minimum depth of 4 inches for sodded lawns as required to meet
lines, grades, and elevations shown, after light rolling, addition of amendments, and
natural settlement. Place approximately 1/2 of total amount of topsoil required. Work
into top of loosened subgrade to create a transition layer and then place remainder of
planting soil. Add specified soil amendments as required and mix thoroughly into upper 4
inches of topsoil.
3.4 PREPARATION OF PLANTING BEDS
A. Loosen subgrade of planting areas to a minimum depth of 6 inches using a cult!-mulcher or
similar equipment. Remove stones measuring over 1 1/2 inches in any dimension. Remove
stocks, stones, rubbish, and other extraneous matter.
B. Spread planting soil mixture to minimum 12 inch depth required to meet lines, grades, and
elevations shown, after light rolling and natural settlement. Add 1 1/2 inches of specified
compost over entire planting area and mix thoroughly into upper 6 inches of topsoil. Place
approximately 1/2 of total amount of planting soil required. Work into top of loosened
subgrade to create a transition layer, then place remainder of the planting soil.
C. Apply Pre -Emergent per manufacturer's recommendation.
3.5 PLANTING TREES AND SHRUBS
A. Set balled and burlapped (B&B) stock on layer of compacted planting soil mixture, plumb and
in center of pit or trench with top of ball at same elevation as adjacent finished landscape
grades. Remove burlap from sides of balls; retain on bottoms. When set, place additional
backfill around base and sides of ball, and work each layer to settle backfill and eliminate
voids and air pockets. Place fertilizer tablets in excavated area per manufacture's written
instructions. When excavation is approximately 2/3 full, water roughly before placing
remainder of backfill. Repeat watering until no more is absorbed. Water again after placing
final layer of backfill. Remove all ties from around base of trunk.
B. Set container grown stock, as specified, for balled burlapped stock, except cut cans on 2
sides with an approved can cutter and remove can; remove bottoms of wooden boxes after
partial backfilling so as not to damage root balls.
C. Trees planted in turf area: Remove turf 3' dia around tree trunk. Dish top of backfill to allow
for mulching.
9
D. Mulch its and planted areas. Provide not less than following thickness of mulch and work
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into to of backfill and finish level with adjacent finish grades.
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1. Provide 3 inches thickness of mulch.
E. If season and weather conditions dictate apply anti -desiccant, using power spray, to provide
an adequate film over trunks, branches, stems, twigs and foliage.
F. Prune, thin out, and shape trees and shrubs in accordance with standard horticultural
practice. Prune trees to retain required height and spread. Unless otherwise directed by
Architect, do not cut tree leaders, and remove only injured or dead branches from flowering
trees, if any. Prune shrubs to retain natural character.
G. Remove and replace excessively pruned or misformed stock resulting from improper pruning.
H. Guy and stake trees immediately after planting, as indicated.
I. Apply approved herbicide to all shrub bed areas at manufacture specified rate. Re -apply as
necessary for elimination of weeds.
3.6 SODDING NEW LAWNS
A. General: Install lawn sod in all areas designated on the drawings.
B. Soil Preparation
1. Any sod lawn areas that may have become compacted prior to sodding must be scarified
to a depth of eight (8) inches by approved means, then finish graded as hereinbefore
described.
C. La sod within 24 hours from time of stripping. Do not plant dormant sod or if round is
YP 9
frozen.
D. Sod Placement
1. Sod will be brought onto lawn areas by wheeled means with proper protection of sod
beds. Sod layers shall be experienced, or if inexperienced, shall be constantly
supervised by an experienced foreman. The Contractor shall insure that the base
immediately ahead of sod layer is moist. Sod shall be laid tight with not gaps. Allowance
shall be made for shrinkage. Lay sod with long edges perpendicular to primary slope.
2. Lay to form a solid mass with tightly fitted joints. Butt ends and sides of strips; do not
overlap. Stagger strips to offset joints in adjacent courses. Work on boards to avoid
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damage to subgrade or sod. Tam or roll lightly to ensure contact with subgrade. Work
9 9 P 9 Y 9
sifted soil into minor cracks between pieces; remove excess to avoid smothering of
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adjacent grass.
3. Sod shall be rolled with a two hundred (200) pound roller after installation to insure
proper contact between soil and sod. Final rolling must provide a uniform surface. After
final rolling, the sod lawn shall be mowed and watered. Approval of sod lawns shall be
based on uniform, healthy and vigorous growth with no dry or dead spots.
4. Add fertilizer "B" at the manufacturer's recommended application rate.
E. Water sod thoroughly with a fine spray immediately after planting.
F. Sodded Lawn Establishment
1. The Contractor shall be responsible for first mowing, subsequent mowin s and fertilizing
P 9, q 9 9
of sod lawn areas until Final Acceptance of the project.
2. Mowing shall be done by an approved "reel" type mower. Mower blades shall be set at
two (2) inches high for all mowings.
3. Subsequent fertilizing shall occur three to four weeks after installation. Apply fertilizer as
per the Manufacturer's recommended application rate. Verify all methods of application.
Contractor shall notify the Architect in writing that the fertilizer applications have occurred
and on what dates.
3.7 MAINTENANCE
A. Begin landscape maintenance immediately after planting. Maintenance shall continue until
Project Final Acceptance.
B. Maintain trees, shrubs, and other plants by pruning, cultivating, and weeding as required for
healthy growth. Restore planting saucers. Tighten and repair stake and guy supports and
reset trees and shrubs to proper grades or vertical position as required. Restore or replace
damaged wrappings. Spray as required to keep trees and shrubs free of insects and disease.
C. Maintain lawns by watering, fertilizing, weeding, mowing, trimming, and other operations
such as tolling, regrading and replanting as required to establish a smooth, acceptable lawn,
free of eroded or bare areas.
D. Maintain lawns for no less than period stated above, or longer as required to establish
acceptable lawn.
3.8 CLEANUP AND PROTECTION
A. During landscape work, keep pavements clean and work area in an orderly condition.
B. Protect landscape work and materials from damage due to landscape operations, operations
by other contractors and trades, and trespassers. Maintain protection during installation and
maintenance periods. Treat, repair, or replace damaged landscape work as directed.
3.9 INSPECTION AND ACCEPTANCE
A. When landscape work is completed, including maintenance, Architect will, upon request,
make an inspection to determine acceptability.
B. When inspected landscape work does not comply with requirements, replace rejected work
and continue specified maintenance until reinspected by Architect and found to be acceptable.
Remove rejected plants and materials promptly from project site.
END OF SECTION
PART 1-GENERAL
1.1 CONDITIONS AND REQUIREMENTS:
A. General and Supplementary Conditions, and Division 1 General Requirements.
1.2 SUMMARY
A. Work included:
1. Provide and install a complete and operating automatic irrigation system for
all lawn and planting areas.
2. Connect to main water supply at existing site stubout as provided.
3. Sleeving under paved areas (by others)
4. Obtain and pay for all permits and fees for the work of this section.
5. Perform work on a design/construct basis, subject to the requirements of
the Contract Documents, applicable codes, and good design practice.
6. Winterization of system.
1.3 SUBMITTALS
A. Within 30 days after Contractor's receipt of Owner's Notice to Proceed, submit:
1. Manufacturer's printed product information and catalog cut sheets for all
system components; five copies.
B. Shop Drawings: Submit shop drawings for underground irrigation system including
plan layout and details illustrating location and type of head, type and size
of valve, piping circuits, circuit GPM, pipe size, controls, and accessories.
C. Record Drawings: At completion of this work, submit to the Contractor:
1. Record Drawings; reproducible and five prints.
2. Operations and Maintenance information (2 copies), including:
a. Information including descriptive details, parts list, specifications,
maintenance schedules and procedures for system components.
b. Operation, adjustment of system and components instructions.
c. Winterization procedures.
d. Schedule indicating required open valve time to produce given precipitation
amounts and seasonal adjustments.
e. Warranties and guarantees.
f. Submit five copies.
1.4 GUARANTEE
A. Guarantee in writing all materials, equipment and workmanship furnished to be
free of all defects of workmanship and materials. Within one year after date of
Substantial Completion repair or replace all defective parts or workmanship that
may be found at no additional cost to Owner.
B. Fill and repair all depressions and replace all necessary lawn and planting which
result from the settlement of irrigation trenches for one year after date of
Substantial Completion.
C. Supply all manufacturer's printed guarantees.
1.5 QUALITY ASSURANCE
A. Contractor shall be licensed in the State in which this work is being performed.
B. Contractor shall have at least two years prior experience in projects of equal
or larger scope. Provide minimum of three references and list of similar
projects with owners' names, addresses, and phone numbers, when requested by
Owner.
C. Contractor shall employ on site at all times a foreman who is thoroughly
experienced and competent in all phases of the work of this Section.
1.6 SYSTEM DESCRIPTION
A. Design requirements:
1. Minimum water coverage: Planting areas - 85%, Lawn areas - 100%
2. Layout system to obtain optimum coverage using manufacturer's standard
heads. Spray on walks, walls or paved areas is not acceptable.
3. Zoning shall be designed for optimum use of available pressure and efficient
distribution for types of plantings and shapes of planting areas.
4. Design pressures: Install pressure regulating equipment as necessary.
5. Provide/install approved fixed tee or coupling device for air blow winterization.
Location shall be on main supply line downstream from main shut off valve.
6. Install approved backflow prevention device in conformance with local or
prevailing codes, and in approved site location. Provide for drainage
without erosive damage.
1.7 EXTRA EQUIPMENT
A. In addition to installed system, furnish owner with the following:
1. Valve operating key and marker key.
2. Wrench for each sprinkler head cover type.
3. Two (2) sprinkler head bodies of each size and type.
4. Two (2) nozzles for each size and type used.
B. Store above items safely until Substantial Completion.
C. Deliver above items at Substantial Completion.
PART 2-PRODUCTS
2.1 PIPE AND FITTINGS
A. PVC 1120, ASTM D-1784, permanently marked with manufacturer's name,
schedule rating, size, type. Solvent -weld type:
1. Pipe:
a. Pressure lines: Schedule 40 solvent weld.
b. Lateral lines: Class 200 pvc.
c. Sleeving: Class 200 pvc.
2. Fittings: Schedule 40 PVC solvent -weld type. Install threaded joints where
9 YP 1
required at valves risers etc.
3. Risers: Lawn and shrub heads - flexible and damage -resistant plastic
"polypipe" riser.
4. Solvent: NSF approved solvent for Type I & II PVC.
B. Polyethylene Pipe
1. Pipe: Class 100, 3/4" lateral line, for use on drip irrigation zone(s) where
drip tubing is not otherwise used.
2. Fittings: Schedule 80 PVC.
3. Clamps: Stainless Steel.
C. Drip Line: Netafim Techline Dripperline, with .6 GPH drippers at 18" spacing.
2.2 SPRINKLER HEADS
A. Description: Appropriate for application in throw, pressure and discharge. Each
type of head shall be of a single manufacturer.
1. Lawn heads: pop-up type.
B. Manufacturer: Rainbird, Hunter, Weathermatic Irrigation Company.
2.3 AUTOMATIC CONTROL SYSTEM
A. General; Furnish low voltage system manufactured expressly for control of
automatic circuit valves of underground irrigation systems. Provide unit of
capacity to suit number of circuits as indicated.
B. Control Enclosure: Manufacturer's standard wall mount with locking cover,
complying with NFPA 70.
C. Circuit Control: each circuit variable from approximately 5 to 60 minutes.
Including switch for manual or automatic operation of each circuit.
D. Timing Device: Adjustable 24-hour and 7 or 14 day clocks to operate any time
of day and skip any day in a 7 or 14 day period.
E. Wiring: Solid or stranded direct -burial type as recommended by manufacturer
of control unit; type AWG-UF, UL approved.
2.4 VALVING
A. Manual valves: brass or bronze for direct burial, gate valves, 150 pound class,
threaded connection with cross type handle designed to receive operating key.
B. Automatic circuit valves: high impact plastic with corrosion -resistant internal
parts. Low power solenoid control, normally closed, with manual flow
adjustment; same manufacturer as control unit.
1. Standard sprinkler valve shall be Rainbird PEB-PRS-B. Use scrubber
valve if not connected to potable water.
2. Drip Control Zone Kit: Hunter PCZ-101.
C. Quick coupler valve: brass or bronze construction with hinged top. One per zone
or valve grouping.
D. Manual drain valves:
1. Bronze construction, straight type, 150 pound class, threaded connections,
with cross type operating handle designed to receive operating key. Calco,
Champion 100, or approved equal.
2. Size: 3/4 inch.
E. Pressure Regulator: Netafim Model PRV075HF35, 3/4", one per zones.
F. Flushing Valve: Netafim Model TLFV-1, two per zone (each end).
G. Filter: Netafim Model DF075-120, 3/4" filter; one per drip zone.
H. Air Relief Valve: Netafim Model TLAVRV,
2.5 MISCELLANEOUS
A. Chemicals: primer and solvent glue as required by pipe manufacturer.
B. Valve box - high impact plastic, green in color.
C. Valve cover and frame - compatible with valve box with provision for locking.
D. Drainage backfill - clean gravel or crushed stone, graded from 3" max to 3/4" min.
PART 3 - EXECUTION
3.1 GENERAL
A. Install system to provide for adequate protection against freeze damage.
B. Install system in accordance with approved Contractor design drawings. All
deviations from the plans must be approved, and clearly recorded on record drawing.
C. Install system and components in strict accordance with manufacturer's
recommendations.
D. Install quick coupler(s) on main supply line, approximately equal spacing, at
valve box locations or intervals of approximately 200 feet, whichever is greater.
Locate adjacent to paved surfaces, at valve boxes where practical.
3.2 SURFACE CONDITIONS
A. Examine the areas and conditions under which work will be performed. Notify
Contractor of conditions detrimental to timely and proper completion of Section
work. Do not proceed until unsatisfactory conditions are corrected.
B. Locate all underground utilities and structures and notify Architect of any
conflict with Section work. Protect structures and utilities. Repair or
replace said structures or utilities damaged by this work at no cost to the Owner.
3.3 SLEEVING
A. Sleeving installed by others. Coordinate with other trades.
3.4 TRENCHING AND BACKFILLING
A. Trenching and backfilling shall be per applicable ISPWC Section.
B. Cut trenches straight and without abrupt grade changes to allow the following
minimum cover:
1. Main Lines and Sleeving: 18 inches.
2. PVC Laterals: 12 inches.
C. Surround lines with 2 inches of clean rock -free material on all sides.
3.5 MISCELLANEOUS VALVES
A. Install manual drain valves up stream. Install devise at mainline tap in accordance
with manufacturer requirements for complete operation. Install backflow provision
and connect to controller.
3.6 CIRCUIT VALVES
A. Install in valve box, arranged for easy adjustment and removal.
1. Provide union on downstream side.
2. Adjust automatic control valves to provide flow rate of rated operating
pressure required for each sprinkler circuit.
3.7 PIPE INSTALLATION
A. Lay PVC pipe in accordance with standard and acceptable practice. Thrust
blocks to be used at points of intersection and change of direction in main line
pipe as per manufacturer's recommended specifications. Install manual drains.
B. PVC pipe joints solvent welded except as indicated. Cut pipe square, deburr,
PP joints,PP
wipe from surface all saw chips, dust, dirt, moisture and any foreign matter
which may contaminate the cemented joint. Apply cleaner/primer and solvent
cement, make joints in accordance with manufacturer's recommendations. Use
Teflon thread sealant (tape) at all threaded joints.
C.Contractor shall size pipe according to schedule provided. Flow velocities shall
not exceed 5 feet/second in all cases. Lateral lines shall be laid out and installed
per zone to balance the pressure loss and provide minimum fluctuation in system
operating pressures.
Pipe Size Pipe Section Pipe Size Pipe Section
3/4" 0-9 GPM 1 1/2" 26-34 GPM
1" 10-17 GPM 2" 35-50 GPM
1 1/4" 18-25 GPM 2 1/2" 51-80 GPM
D. Techline Drip Line: Place in shallow furrow at 1"-2" below finish topsoil grade, below layer
of specified mulch. Lay in uniform grid pattern in groundcover/shrub areas (rows 18"-24"
apart max). Coll 20 linear feet at each balled and burlapped tree around base and to allow
for tree removal if required. Staple drip line every 36" max. Flush all lines with full head
of water prior to installation of flush valves at end of circuit runs.
E. Flush Valves: Install flush valve at end of each drip line run.
3.8 SPRINKLER HEADS
A. Flush circuit lines with full head of water prior to head installation.
1. Install heads at level with mulch
2. Locate part -circle shrubbery heads to maintain a minimum distance of six
inches (6") from walls and four inches (4") from other boundaries unless
otherwise indicated. Keep overspray to a minimum.
3.9 CONTROL WIRE INSTALLATION
A. Burywires beside or below main line pipe in same trench.
P P
B. Bundle multiple wires together with tape at ten feet (1 0') maximum intervals.
C. Provide 36 inch loop in wires at each valve where controls are connected and
at 100' maximum intervals between.
D. Make all electrical joints (splices) in boxes only. Make electrical joints
waterproof. Scotch -Lock connectors, or approved.
3.10 AUTOMATIC CONTROLLER
A. Install on site as approved. Verify location with Owner Representative.
B. Install typewritten legend inside controller door.
3.11 TESTING
A. Do not allow or cause any work of this Section to be covered up or enclosed
until it has been inspected and tested.
B. Pressure testing:
1. Make necessary provision for thoroughly bleeding the line of air and debris.
2. Before testing, cap all risers, and install all valves.
3. Fill all main supply lines with water. Pressurize to 100 psi. Close air supply and test
for leakage. Test shall be approved if no greater than 5 psi loss occurs in 15 minutes.
4. Fill all zone lines with water to static pressure. Hold for 15 minutes. Inspect for leakage.
5. Contractor shall provide all required testing equipment and personnel. Test
shall be performed in presence of Architect. Contractor shall make notice
of test (48) hours in advance.
6. Provide required testing equipment and personnel.
7. Repair leaks, and retest until acceptance by the Architect.
C. Coverage inspection: upon completion of all systems, perform a coverage test to determine
if coverage of water afforded all areas is complete, adequate and uniform. Change heads,
nozzles, orifices and/or adjustment as directed to provide uniform coverage.
D. Final inspection:
1. Clean, adjust, and balance all systems. Verify that:
a. Remote control valves are properly balanced;
b. Heads are properly adjusted for radius and arc of coverage;
c. The installed system is workable, clean and efficient.
E. Winterization: Winterize system at the end of first season of system operation.
Review procedures with Owner Representative.
END OF SECTION
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DWG.DATE 08/16/22
PROJ. NO. JBA-2129
SHEET 4 OF 4
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