HomeMy WebLinkAbout02930.pdf BICKFORD OF CARMEL, IN 12/12/2012
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SECTION 02930 - LANDSCAPE PLANTS
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 1 Specification Sections, apply to this Section.
1.2 SUMMARY
A. This Section includes the following:
1. Shrubs
2. Perennials
3. Topsoil and soil amendments
4. Fertilizers
5. Mulch
B. Related Sections include the following:
1. Division 2 Section “Site Clearing” for protection of existing trees and planting, topsoil
stripping and stockpiling, and site clearing.
2. Division 2 Section “Earthwork” for excavation, filling, and rough grading and for
subsurface aggregate drainage and drainage backfill materials.
1.3 SUBMITTALS
A. Product Data: For each type of product indicated.
B. Samples for Verification: For each of the following:
1. 1 lb of mulch for each color and texture of stone mulch required, in labeled plastic bags.
C. Product Certificates: For each type of manufactured product, signed by product manufacturer,
and complying with the following:
1. Manufacturer's certified analysis for standard products.
D. Qualification Data: For Landscape Installer and Park Maintainer. To demonstrate their
capabilities and experience.
1. Provide to the Architect two recent project examples for both installation and maintenance of
like scale and work, with project name and address, and addresses and phone numbers
where owners can be contacted. Provide 4 x 5 color pictures to show breadth of project
examples. Project references must demonstrate first class installation and/or maintenance
quality. Contractors with unparalleled reference examples that fall short of the landscape and
maintenance work described herein will be rejected from performing the work. Material Test
Reports: For existing surface soil and imported topsoil.
E. Planting Schedule: Indicating anticipated planting dated for landscape plants.
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F. Maintenance Instructions: Recommended procedures to be established by Owner for
maintenance of exterior plants during a calendar year growing season. Submit before
expiration of required maintenance periods.
1.4 QUALITY ASSURANCE
A. Installer Qualifications: A qualified landscape installer whose work has resulted in successful
establishment of exterior plants. (Refer to submittal requirements).
1. Installer's Field Supervision: Require Installer to maintain an experienced full-time
supervisor on Project site when exterior planting is in progress.
B. Soil-Testing Laboratory Qualifications: An independent laboratory, recognized by the State
Department of Agriculture, with the experience and capability to conduct the testing indicated
and that specializes in types of tests to be performed.
C. Topsoil Analysis: Furnish soil analysis by a qualified soil-testing laboratory stating percentages
of organic matter; gradation of sand, silt, and clay content; cation exchange capacity;
deleterious material; pH; and mineral and plant-nutrient content of topsoil.
1. Report suitability of topsoil for plant growth. State recommended quantities of nitrogen,
phosphorus, and potash nutrients and soil amendments to be added to produce a
satisfactory topsoil.
D. Provide quality, size, genus, species, and variety of landscape plants indicated, complying with
applicable requirements in ANSI Z60.1, "American Standard for Nursery Stock."
E. Shrub Measurements: Measure according to ANSI Z60.1 with branches and trunks or canes in
their normal position. Do not prune to obtain required sizes. Measure main body of tree or
shrub for height and spread; do not measure branches or roots tip-to-tip.
F. Inspection: Architect may observe trees, shrubs and perennials either at place of growth or at
site before planting for compliance with requirements for genus, species, variety, size, and
quality. The 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, shrubs or
perennials immediately from Project site.
G. Preinstallation Conference: Conduct meeting at Project site prior to beginning work to
coordinate installation and review project requirements.
1.5 DELIVERY, STORAGE, AND HANDLING
A. Deliver exterior plants freshly dug.
1. Immediately after digging up bare-root stock, pack root system in wet straw, hay, or other
suitable material to keep root system moist until planting.
B. Do not prune trees and shrubs before delivery, except as approved by the Architect. Protect
bark, branches, and root systems from sun scald, drying, sweating, whipping, and other
handling and tying damage. Do not bend or bind-tie trees or shrubs in such a manner as to
destroy their natural shape. Provide protective covering of exterior plants during delivery. Do
not drop exterior plants during delivery.
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C. Handle planting stock by root ball.
D. Deliver exterior plants after preparations for planting have been completed and install
immediately. If planting is delayed more than six hours after delivery, set exterior plants trees in
shade, protect from weather and mechanical damage, and keep roots moist.
1. Set balled stock on ground and cover ball with soil, peat moss, sawdust, or other
acceptable material.
2. Do not remove container-grown stock from containers before time of planting.
3. Water root systems of exterior plants stored on-site with a fine-mist spray. Water as
often as necessary to maintain root systems in a moist condition.
1.6 JOB CONDITIONS
A. Utilities: Determine locations of above grade and underground utilities and perform work in a
manner, which will avoid damage. Utilities can be flagged by calling (800) DIG-RITE. Hand
excavate, as required. Maintain grade stakes until parties concerned mutually agree upon
removal.
B. Excavation: When conditions detrimental to plant growth are encountered, such as rubble fill,
adverse drainage conditions, or obstructions, notify the Architect before planting.
1.7 COORDINATE AND SCHEDULING
A. Coordinate installation of planting materials during normal planting seasons for each type of
plant material required.
1. The planting dates for balled and burlapped/container trees and shrubs shall be during
the months between October 1 and May 15. Planting shall be done only when the
ground is not frozen, snow covered, or in an otherwise unsuitable condition for planting.
2. Deviations shall not be made unless written approval is obtained by the Architect.
B. Planting shall be done in planting season to give plants the best chance for survival.
C. 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.
D. Correlate planting with specified maintenance periods to provide maintenance from date of
provisional acceptance.
E. Plant trees and shrubs after final grades are established and prior to planting of lawns, unless
otherwise acceptable to Owner’s Representative. 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 CLEAN-UP AND PROTECTION
A. During landscape work, keep pavements clean and work area in an orderly condition.
B. Soil or similar material which has been brought onto paved areas by hauling operations or
otherwise shall be removed promptly, keeping the area clean at all times. Upon completion of
the planting, excess soil, stones and debris which have not previously been cleaned up shall be
removed from the site or disposed of, as directed by the Owner’s Representative. Ground
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areas disturbed as a result of planting operations shall be restored to their original condition or
to the desired new appearance.
C. Protect existing and new landscape work and materials from damage due to landscape
operation, operations by other contractors and trades, and trespassers. Maintain protection
during installation and maintenance periods. Treat, repair or replace damaged landscape work
as directed.
1.9 MAINTENANCE
A. Trees, Shrubs, Perennials, Ornamental Grasses, Ground Covers, Vines, Aquatic Plants, Etc.:
Maintain for the following maintenance period by pruning, dead heading, cultivating, watering,
weeding, fertilizing, restoring planting saucers, tightening and repairing stakes and guy
supports, and resetting to proper grades or vertical position, as required to establish healthy,
viable plantings. Spray as required to keep trees and shrubs free of insects and disease.
Restore or replace damaged tree wrappings.
1. Maintenance Period: Up until Substantial Completion.
1.10 INSPECTION
A. When landscape work is completed, including maintenance, the Architect will, upon request,
make an inspection to determine acceptability.
B. Landscape work may be inspected for acceptance in portions as agreeable to the Architect,
provided each portion of work, offered for inspection is complete.
C. When inspected landscape work does not comply with requirements, replace rejected work and
continue specified maintenance until re-inspected by the Architect and found to be acceptable.
Remove rejected plants and materials promptly from project site.
1.11 PROVISIONAL ACCEPTANCE
A. At the conclusion of the planting installation, an inspection shall be made by the Architect. The
purpose of the inspection shall be for provisional acceptance of contract work, excluding
guarantee and maintenance of plant materials. At the conclusion of inspection the Contractor
shall receive notification of provisional acceptance, any items not accepted by the Architect
shall be rectified by the Contractor upon receipt of notice at his own expense.
1.12 FINAL ACCEPTANCE
A. At the conclusion of the guarantee and maintenance period, an inspection shall be made by the
Architect. The purpose of this inspection shall be for final acceptance of the project. As
determined by the Architect, dead and/or deficient material and workmanship shall be noted
and sent to the Contractor in writing. Upon receipt the Contractor shall be responsible for
rectifying any problem from the inspection at his own expense. After completion of punch list
by the Contractor, the Architect shall notify the Contractor in writing of his final acceptance of
the project relieving the Contractor of his responsibilities.
B. Special Guarantee: Contractor shall guarantee the living planting materials for period of time
as shown below against defects including death and unsatisfactory growth, except for defects
resulting from vandalism and abnormal weather conditions unusual for guarantee period, or
incidents that are beyond Contractor’s control. During the period, the Contractor shall maintain
the plant materials weekly (or more as necessary), for improper watering and other
maintenance conditions that might be injurious to the plant material. Otherwise, plants found to
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be dead or damaged will be assumed to be in that condition due to improper planting or
unhealthy plants and shall be replaced by the Contractor at no expense to the Owner.
1. Contractor shall guarantee the following living planting materials for a period for two
calendar years after date of provisional acceptance of landscape work.
C. Remove and replace dead planting materials immediately unless permission has been granted
by the Architect to plant in the succeeding planting season.
D. Replace planting materials that are more than 25 percent dead or in an unhealthy condition at
end of guarantee period.
E. Plants used for replacement shall be of the same variety and size as originally specified in the
plant schedule. Replacements shall be made within two days of request pending favorable
seasonal planting times.
F. All tree wrapping paper, stakes and guy wires shall be removed from the plantings by the
Contractor after one year has lapsed and has been approved by the Architect.
PART 2 - PRODUCTS
2.1 TREE, SHRUB, ORNAMENTAL GRASS, PERENNIAL AND GROUNDCOVER MATERIAL
A. General: Furnish nursery-grown trees, shrubs and groundcovers conforming to ANSI Z60.1,
ornamental grasses and perennials, and with healthy root systems developed by transplanting
or root pruning. Provide well-shaped, fully branched, healthy, vigorous stock free of disease,
insects, eggs, larvae, and defects such as knots, sun scald, injuries, abrasions, and
disfigurement.
B. Grade: Provide trees, shrubs and groundcover of sizes and grades conforming to ANSI Z60.1
for type of trees and shrubs required. Trees and shrubs of a larger size may be used if
acceptable to Owner, with a proportionate increase in size of roots or balls.
C. Label each tree, shrub, ornamental grass, groundcover and perennial mass with securely
attached, waterproof tag bearing legible designation of botanical and common name.
2.2 SHADE AND FLOWERING TREES
A. Shade Trees: Single-stem trees, unless specified otherwise, with straight trunk, well-balanced
crown, and intact leader, of height and caliper indicated, conforming to ANSI Z60.1 for type of
trees required.
1. Branching Height: 1/3 to ½ of tree height.
B. Small Trees: Small upright or spreading type, branched or pruned naturally according to
species and type, and with relationship of caliper, height, and branching recommended by
ANSI Z60.1; stem form as follows:
1. Form: Single stem.
2. Form: Multi-stem, clump with 3 or more main stems.
C. Provide balled and burlapped trees except where bare root trees are indicated.
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1. Container grown trees will be acceptable in lieu of balled and burlapped trees subject to
meeting ANSI Z60.1 limitations for container stock.
2.3 CONIFEROUS EVERGREENS
A. Form and Size: Normal quality, well balanced, coniferous evergreens, of type, height, spread,
and shape required, conforming to ANSI Z60.1.
B. Provide balled and burlapped coniferous evergreens.
C. Container grown coniferous evergreens will be acceptable in lieu of balled and burlapped
coniferous evergreens subject to meeting ANSI Z30.1 limitations for container.
2.4 ORNAMENTAL GRASSES, PERENNIALS AND VINES
A. Ornamental Grasses, Perennials and Vines: Provide species indicated, established and well
rooted in pots or similar containers, and complying with ANSI Z60.1 and the following
requirements:
1. Perennials: Provide healthy, field-grown plants from a commercial nursery, of species
and variety shown or listed. Plants shall be full headed and well rooted. Architect will
reject plants that do not fill the mass/dimensions of the container.
2. Fast-Growing Vines: Provide vines of species indicated complying with requirements in
ANSI Z60.1 as follows:
a. Two-year plants with heavy, well-branched tops, with not less than 3 runners 18
inches or more in length, and with a vigorous well-developed root system.
b. Provide field-grown vines. Vines grown in pots or other containers of adequate
size and acclimated to outside conditions will also be acceptable.
2.5 SOIL AMENDMENTS
A. Lime: ASTM C 602, Class T. Agricultural limestone containing a minimum 80 percent calcium
carbonate equivalent, with a minimum 99 percent passing a No. 8 (2.36 mm) sieve and a
minimum 75 percent passing a No. 60 (250 mm) sieve. Provide lime in the form of dolomitic
limestone.
B. Aluminum Sulfate: Commercial grade, unadulterated.
C. Sand: Clean, washed, natural or manufactured sand, free of toxic materials.
D. Sphagnum Peat Moss: for acid tolerant trees and shrubs, provide moss peat, with a pH range
of 3.2 to 4.5, course fibrous texture, medium divided sphagnum moss peat or reed sedge peat.
E. Ground Bark Humus: Decomposed, nitrogen treated, of uniform texture, free of ships, stones,
sticks, soils, or toxic materials.
F. Manure: Well rotted, unleached stable or cattle manure containing not more than 25 percent by
volume of straw, sawdust, or other bedding materials; free of toxic substances, stones, sticks,
soil, weed seed, and material harmful to plant growth.
G. Herbicides: EPA registered and approved, of type recommended by Manufacturers.
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H. Shredded Pine Bark Chips: Between ½” to 1-1/2” in diameter/length.
I. Water: Potable.
2.6 TOPSOIL
A. Topsoil: ASTM D 5268, pH range of 5.5 to 7, a minimum of 4 percent organic material content;
free of stones 1 inch or larger in any dimension and other extraneous materials harmful to plant
growth.
1. Topsoil Source: Reuse surface soil stockpiled on-site. Verify suitability of stockpiled
surface soil to produce topsoil. Clean surface soil of roots, plants, sod, stones, clay
lumps, and other extraneous materials harmful to plant growth.
a. Supplement with imported or manufactured topsoil from off-site sources when
quantities are insufficient. Obtain topsoil displaced from naturally well-drained
construction or mining sites where topsoil occurs at least 4 inches deep; do not
obtain from bogs or marshes.
2. Topsoil Source: Import topsoil or manufactured topsoil from off-site sources. Obtain
topsoil displaced from naturally well-drained construction or mining sites where topsoil
occurs at least 4 inches deep; do not obtain from bogs or marshes.
3. Topsoil Source: Amend existing in-place surface soil to produce topsoil. Verify suitability
of surface soil to produce topsoil. Clean surface soil of roots, plants, sod, stones, clay
lumps, and other extraneous materials harmful to plant growth.
a. Surface soil may be supplemented with imported or manufactured topsoil from off-
site sources. Obtain topsoil displaced from naturally well-drained construction or
mining sites where topsoil occurs at least 4 inches deep; do not obtain from bogs
or marshes.
2.7 FERTILIZER
A. Bonemeal: Commercial, raw or steamed, finely ground; a minimum of 4 percent nitrogen and
20 percent phosphoric acid.
B. Superphosphate: Commercial, phosphate mixture, soluble; a minimum of 20 percent available
phosphoric acid.
C. Commercial Fertilizer: Commercial-grade complete fertilizer of neutral character, consisting of
fast- and slow-release nitrogen, 50 percent derived from natural organic sources of urea
formaldehyde, phosphorous, and potassium in the following composition:
1. Composition: Nitrogen, phosphorous, and potassium in amounts recommended in soil
reports from a qualified soil-testing agency.
D. Slow-Release Fertilizer: Granular or pelleted fertilizer consisting of 50 percent water-insoluble
nitrogen, phosphorus, and potassium in the following composition:
1. Composition: Nitrogen, phosphorous, and potassium in amounts recommended in soil
reports from a qualified soil-testing agency.
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2.8 ROOT STIMULATOR
A. Root Stimulator: Apply/Mix the following as per the manufacturer’s specifications.
1. Trees: “Mycor Tree Saver Transplant” manufactured by Plant Health Care, Inc.
2. Shrub and Perennial Planting Beds: “Mycor 4-7-4 Plant Saver” manufactured by Plant
Health Care, Inc.
2.9 MULCHES
A. Hardwood Mulch: Free from deleterious materials and suitable as a top dressing of trees and
shrubs, consisting of the following:
1. Type: Double-ground hardwood mulch, dyed dark brown.
2.10 MISCELLANEOUS PRODUCTS
A. Antidesiccant: Water-insoluble emulsion, permeable moisture retarder, film forming, for trees
and shrubs. Deliver in original, sealed, and fully labeled containers and mix according to
manufacturer's written instructions.
2.11 PLANTING SOIL MIX
A. Planting Soil Mix: Mix topsoil with the following soil amendments and fertilizers in the following
quantities:
1. 60% Topsoil, as specified.
2. 40% Prepared Additives, by volume as follows:
a. 2 parts humas and/or peat.
b. 1 part shredded pine bark (bark pieces between ½” and 1-1/2” in length/diameter.
c. 1 part strilized cow manuare.
3. Commercial fertilizer as recommended by soil report.
4. Lime as recommended by soil report.
5. Root stimulator per manufacturer’s recommendations.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine areas to receive exterior plants for compliance with requirements and conditions
affecting installation and performance. Proceed with installation only after unsatisfactory
conditions have been corrected.
3.2 PREPARATION
A. Protect structures, utilities, sidewalks, pavements, and other facilities, and lawns and existing
exterior plants from damage caused by planting operations.
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B. Provide erosion-control measures to prevent erosion or displacement of soils and discharge of
soil-bearing water runoff or airborne dust to adjacent properties and walkways.
C. Lay out individual tree and shrub locations and areas for multiple exterior plantings. Stake
locations, outline areas, adjust locations when requested, and obtain the Architect's acceptance
of layout before planting. Make minor adjustments as required.
D. Apply antidesiccant to trees and shrubs using power spray to provide an adequate film over
trunks, branches, stems, twigs, and foliage to protect during digging, handling, and
transportation.
1. If deciduous trees or shrubs are moved in full leaf, spray with antidesiccant at nursery
before moving and again two weeks after planting.
3.3 PLANTING BED ESTABLISHMENT
A. Loosen subgrade of planting beds to a minimum depth of 6 inches. Remove stones larger than
1 inch in any dimension and sticks, roots, rubbish, and other extraneous matter and legally
dispose of them off Owner's property.
1. Apply fertilizer directly to subgrade before loosening.
2. Spread topsoil (if necessary) apply soil amendments and fertilizer on surface, and
thoroughly blend planting soil mix.
a. Delay mixing fertilizer with planting soil if planting will not proceed within a few
days.
3. Spread planting soil mix to a depth of 4 inches but not less than required to meet finish
grades after natural settlement. Do not spread if planting soil or subgrade is frozen,
muddy, or excessively wet.
a. Spread approximately one-half the thickness of planting soil mix over loosened
subgrade. Mix thoroughly into top 4 inches of subgrade. Spread remainder of
planting soil mix.
B. Finish Grading: Grade planting beds to a smooth, uniform surface plane with loose, uniformly
fine texture. Roll and rake, remove ridges, and fill depressions to meet finish grades.
C. Restore planting beds if eroded or otherwise disturbed after finish grading and before planting.
3.4 TREE AND SHRUB EXCAVATION
A. Pits and Trenches: Excavate circular pits with sides sloped inward. Trim base leaving center
area raised slightly to support root ball and assist in drainage. Do not further disturb base.
Scarify sides of plant pit glazed or smoothed during excavation.
1. Excavate at least 12 inches wider than root ball or container.
B. Subsoil removed from excavations may be used as backfill.
C. Obstructions: Notify the Architect if unexpected rock or obstructions detrimental to trees or
shrubs are encountered in excavations.
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1. Hardpan Layer: Drill 6-inch diameter holes into free-draining strata or to a depth of 10
feet (3 m), whichever is less, and backfill with free-draining material.
D. Drainage: Notify the Architect if subsoil conditions evidence unexpected water seepage or
retention in tree or shrub pits.
E. Fill excavations with water and allow to percolate away before positioning trees and shrubs.
3.5 TREE, SHRUB AND MISCELLAEOUS PLANTS PLANTING
A. Set balled and burlapped stock plumb and in center of pit or trench with top of root ball 1 inch
above adjacent finish grades.
1. Remove burlap and wire baskets from tops of root balls and partially from sides, but do
not remove from under root balls. Remove pallets, if any, before setting. Do not use
planting stock if root ball is cracked or broken before or during planting operation.
2. Place backfill around root ball in layers, tamping to settle mix and eliminate voids and air
pockets. When pit is approximately one-half backfilled, water thoroughly before placing
remainder of backfill. Repeat watering until no more water is absorbed. Water again
after placing and tamping final layer of planting soil mix.
B. Set container grown stock plumb and in center of pit or trench with top of root ball flush with
adjacent finish grades.
1. Carefully remove root ball from container without damaging root ball or plant.
2. Place planting soil mix around root ball in layers, tamping to settle mix and eliminate
voids and air pockets. When pit is approximately one-half backfilled, water thoroughly
before placing remainder of backfill. Repeat watering until no more water is absorbed.
Water again after placing and tamping final layer of planting soil mix.
3.6 TREE AND SHRUB PRUNING
A. Prune, thin, and shape trees and shrubs as directed by the Architect.
B. Prune, thin, and shape trees and shrubs according to standard horticultural practice. Prune
trees to retain required height and spread. Unless otherwise indicated by the Architect, do not
cut tree leaders; remove only injured or dead branches from flowering trees. Prune shrubs to
retain natural character. Shrub sizes indicated are sizes after pruning.
3.7 GUYING AND STAKING
A. Upright Staking and Tying: Stake trees of 2- through 5-inch caliper. Stake trees of less than 2-
inch caliper only as required to prevent wind tip-out. Use a minimum of 2 stakes of length
required to penetrate at least 18 inches below bottom of backfilled excavation and to extend at
least 48 inches above grade. Set vertical stakes and space to avoid penetrating root balls or
root masses. Support trees with two strands of tie wire connected to nylon webbing guard.
Allow enough slack to avoid rigid restraint of tree. Place stakes in north – south axis where only
2 are needed. Keep look consistent and neat. Use the number of stakes as follows:
1. Use 1 stake per caliper inch or 3’ height increment thereof. Space stakes equally around
trees.
2. Attach plastic flagging tape to tie wire centered between each stake and trunk.
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3.8 GROUND COVER AND PLANT PLANTING
A. Set out and space ground cover and plants as indicated in plant list or plan.
B. Dig holes large enough to allow spreading of roots, and backfill with planting soil.
C. Work soil around roots to eliminate air pockets and leave a slight saucer indentation around
plants to hold water.
D. Water thoroughly after planting, taking care not to cover plant crowns with wet soil.
3.9 PLANTING BED MULCHING
A. Mulch backfilled surfaces of planting beds and other areas indicated.
1. Mulch: Apply 3 inch average thickness of smulch, and finish level with adjacent finish
grades. Do not place mulch against plant stems.
3.10 EDGING INSTALLATION –N/A
A. Aluminum Edging: Install aluminum edging where indicated according to manufacturer's written
instructions. Anchor with aluminum stakes spaced approximately 48 inches apart, driven below
top elevation of edging.
3.11 CLEANUP AND PROTECTION
A. During exterior planting, keep adjacent pavings and construction clean and work area in an
orderly condition.
B. Protect exterior plants from damage due to landscape operations, operations by other
contractors and trades, and others. Maintain protection during installation and maintenance
periods. Treat, repair, or replace damaged exterior planting.
3.12 DISPOSAL
A. Disposal: Remove surplus soil and waste material, including excess subsoil, unsuitable soil,
trash, and debris, and legally dispose of them off Owner's property.
END OF SECTION 02930