HomeMy WebLinkAbout2879-6,1_______ - _11/
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02910 LANDSCAPE PLANTING
D.
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Nomenclature conforms to customary nursery usage; for
B. Pmt___ ec =- -
SCALE:
the term defines a plant having three or
PART 1 -GENERAL
CHECKED BY. IAPPROVED
..q411160-1.�
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more,cation,
trunks of nearly equaltidiameter.
1.01 RELATED DOCUMENTS
E.
Seeds are to be fresh, clean, new crop seed composed of the
All trees, 5 gallory or larger; -shall be guaranteed by the Contractor
1 • Protect all Planting areas from damage of all kinds from
varieties mixed in proportions and testing minimum percentage .of
All materials and work shall conform to the Standard Specifications for.
a
purity and germination as indicated herein.
Public Works Construction (Green Book) or as modified in the General
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Conditions and Special Provisions. In cases where specification conflicts 0
2,04 Mulch:
Redwood or Douglas Fir clean shredded bark mulch. Submit
occur between this section and others referenced, the specification
sample for approval by City's Authorized Representative.
requiring the highest level of workmanship, materials or strength ratings
and/or final acceptable by the City's Authorized Representative.
2.
will prevail.
2.05 Tree
Stakes and Guys: .
1.02 SCOPE
A.
For anchors to hold the guy wires, provide standard product of
Plant ground cover in pits at least 4" x 4" x 4". Moisten the
B.
Maxwell Steel Company, Santa Fe Springs, California. Or, Redwood
A. Work included: All labor, materials, appliances, tools, equipment,
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deadman 4" x 4" x 60" as required by drawings. ,
. facilities, transportation and services necessary for an incidental to •
City's Authorized Representative shall remove and replace all
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• performing all operations of the work of this section, complete as
B.
Hose for covering wires and for staking trees: Provide. -new Wonder
shown on the drawings and specified herein. Work includes, but is
UQ
Tree Ties. .
not limited, to the following:
4)
requirements of guarantee. Replacements shall be made in the
A. Water Basins:
C.
Guy wire: Galvanized twisted triple strand guying wire, 10 ga. or as
1. Examine all other sections for work related to those other
original planting, and all such replacement materials shall be
approved.
sections and required to be included as work under this
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guaranteed as specified for the original guaranteed m4terials.
section.
D.
Anchor (deadman) for holding guys: 4" x 4" x 60" long.
2. Finish grading of planting areas.
E.
Flags for guys: 1 /1 " diameter, white neoprene tubing X-0".
3. Providing and preparing soil and soil mixes.
F.
Tree stakes: Of pressure -treated lodgepole pine, 10'-0" long by 2-
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1/2" diameter. Drive at least 2'-0" into native earth below plant pit
- 4. Planting, including ground cover, trees, shrubs, -seeded and
2. In rainy season, open basins to allow surface drainage away
and not less than 3'-0" below finished grade.
sodded lawns.
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from the root crown shere excess water may accumulate. -
2.06 Header Material
5. Staking, guying and espaliering.
Restore watering basins at end of rainy season.
A.
Concrete headers and mow strips shall be installed according to the
B. Related work in other section:
MAINTENANCE SECTION 02970
respective details and in strict adherence to the dimensioning plan.
2.
On slopes, construct half -mounds on the lower side if full
A form for the above shall be staked at 5 feet maximum intervals
1. Site clearing.
wand to break the water force. Do not permit crown roots to
become exposed to air through dislodging of soil and mulch.
and all forming shall be approved in the field by the City's
. •.
. Authorized Representative prior -to pouring.
2. Site Irrigation
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;,Forming stakes shall be at least two inches by four inches actual
- 3. Hydroseeding.
dimensions,'- of length necessary to extend into solid earth a
•
After watering, refill settlement within the basins to the
minimum of twelve (1 2) inches. •
4. Landscape Maintenance -
2.07 Other Materials: Materials not specifically described but required for a
complete and proper installation shall be as selected by the Contractor
1.03 Quality Assurance:
subject to the approval of the City's Authorized Representative.
A. Standards:
PART 3 -EXECUTION
1. Provide plants and planting material meeting or exceeding
specifications of Federal, State, County and City laws
3.01 Surface Conditions and Protection of Property:
requiring inspection for plant disease and insect control.
1. All areas between plants, including watering basins shall be weed
4.
Watering basins shall be planted with ground cover in normal
A.
Prior to excavation for planting or placing of stakes, locate all
2. Provide quality and size conforming with current edition of
electrical cables, conduits and all utility lines so that proper
"Horticultural Standards" for number one edition nursery
requirements that apply to this Section.
precautions may be taken not to damage such improvements. In
stock as adopted by the American Association of
pattern.
the event of a conflict between such lines and plant location,
Nurserymen.
2. Use only recommended and legally approved herbicides to
promptly notify the City's Authorized Representative, who shall
General: - I
B.
arrange for relocation of one or other. Failure to follow this
3. Provide plants which are true to name. Tag one of each
procedure places upon the Contractor the responsibility to repair
bundle or lot with the name and size of plants in accordance.
Related Work in Other Sections:
damages at his own expense, which result from work hereunder.
with the standards of. practice of American Association of
to a smooth, firm surface with uniform grade.
. • . .
_the
Nurserymen.. . .
3.02
Grading:
4. In all cases, botanical names shall take precedence over
A.
Where any portion of the irrigation system is installed after grading
common names:
and the fertilizing has been performed, refill and refertiiize the upper
Soil Preparation - Section 02920
Lawns and Grasses - Section 02930
portion of the backfill in accordance with the provisions of this
B. Workmanship: Perform work in accordance with the best standards
prepared area prior to planting. Use sod unless seed is
Section.
of practice for landscape work and under the continual supervision
1. Prune trees to select and develop permanent scaffold branches
of a competent foreman capable of interpreting the drawings and
B.
- Fine grading: Upon completion of rough and finish grading, perform
specifications.
required fine grading of planting areas.
C. Quantities and types: Plant materials shall be furnished in the
1. Do not work the soil when moisture content is so great that
quantities and/or spacing as shown or noted for each location, and
Sod installation:
excessive compaction will occur, nor when soil is so dry that
shall be of the species, kinds, sizes, etc., as symboled and/or
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clods will not break readily,
described in the "List of Plant Materials", all as indicated on the
to overlay one another.
drawings.
1. install sod immediately after its delivery to the job site.
2. Apply water, if necessary, to provide ideal content for tilling
•
and for planting.
D. Verification of dimensions and quantities: All scaled dimensions are
A.
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approximate. Before proceeding with any work, carefully check and '
3. Grade so as to anticipate the finished grade:
verify all dimensions and quantities and immediately inform the
narrow V-shaped branched forks that lack strength. Reduce
City's Authorized Representative of any discrepancy between the
200 lb., water -ballast roller immediately after the first
a. Remove or redistribute excess soil before the
drawings and/or specifications and actual conditions. No work shall
toppling and wind damage by thinning out crowns.
application of fertilizer and mulch.
be done in any area where there is any such discrepancy until
b. Where soil is to be replaced by plants and mulch, make
approval for same has been given by the City's Authorized
allowance to prevent deficiency in the depth of mulch
Representative.when
final grading is completed.
1.04 Submittals: I.. .
3. Keep sodded areas thoroughly watered and continuously
4. Before and during preliminary fine grading, dig out and remove
2. Guide for Fertilizing Shade and Ornamental Trees.
maintaining a natural appearance and balancing crown with roots.
all weeds and grasses. Dispose of off-site.
A. Product data:
C.
Grades and elevations: When fine grading is completed (including
1. Materials list of items proposed to be provided under this
weeding and fertilizing), and the soil has dried sufficiently to be
Section.
readily worked, grade the lawn and planting areas to the elevations
shown on the Drawings:
2. Complete data demonstrating compliance with the specified
1. Where grades are not otherwise indicated, provide uniform
requirements. This shall not in any way be construed as
levels or slopes between points where elevations are given,
permitting substitutions.
barricades, signs, and other protection as needed.
B. Certification: Provide a certificate with each delivery of bulk
1. Perform all work in accordance with all a
applicable laws, codes
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2. Make minor adjus ments.,,pf grade where so directed by the
material, stating the source,, quantity, and type of material, and
City's Authorized Represehtative.
stating that the material conforms with the specified requirements:
to fewer than six buds of leaves on such branches. Only cut
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3. Provide finished grades which are even, uniform and without
1. For bulk delivered organic fertilizer, also show on the
abrupt change of surface.
certificate the volume, net weight, and percentages of
erect without staking or other support.
nitrogen and phosphorus and potassium.
an acceptable stand of grass is assured.
4, Slope soil areas away from structures to allow natural runoff
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of water, remodeling surfaces as required to do so. Grade low
2. For other fertilizers and soil conditions in containers,. show on
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spots and pockets when soil is at optimum moisture content
the certificate the total quantities by weight and volume for
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for working.
each material.
installing of all agricultural chemicals.
wind and storm damage. Do primary pruning of deciduous trees
5. Provide final finished grades in planting areas 1-1/2" below
3. Samples: In addition to other Samples which may be required
I
paving and curbs or as shown on the drawings.
by the Architect, submit samples of each of the specified
3. The County Agricultural Commissioner's Office must by law, be
fertilizers, mulch and soil conditioners.
6. Obtain approval from the City's Authorized Representative
given a monthly record of all herbicides, insecticides and disease
prior to any planting.
1.05 Product Handling: immediately remove from the job site all plants which
. are not true to name, and all materials which do not comply with the
3.03
SOIL PREPARATION
specified requirements.
hazards at anytime of year as required.
A.
For planting areas under 33% slope (3:1), .uniformly broadcast and
1.06 Warranty:
Work Force:
thoroughly incorporate the soil preparation mix as indicated on the
.
healthy seed growth.
plans to a depth of 6" by mechanical tiller or similar means.
A. General:
8. Make all cuts clean and close to the trunk, without cutting into the
.
B.
For planting areas over 33% slope (3:1), uniformly broadcast and
1. Warrant shrubs and -ground cover to grow and be healthy for a
lightly rake in the soil preparation mix as indicated on the plan.
period of one year after completion of the specified
time foreman assigned to the job for the duration of the contract.
branches flush with trunk or lateral branch. Make larger suts
maintenance period.
C.
For hydroseeded slope areas, refer to Hydromulching Section
.
(one (1) inch in diameter or larger) parallel to shoulder rings,
02920.
2. Warrant trees to live and grow in an acceptable upright
landscape maintenance supervision, with experience or training in
position for a period of one year following completion of the
3.04 PLANT
PIT AND BACKFILL SOIL
specified maintenance period.
turf management, entomology, pest control, soils, fertilizers and
g• Branches too heavy to handle shall be pre-cut in tree stages to
.
A.
Plant pits for container plants shall have vertical sides and shall be
B. Replacements:
prevent splitting or peeling of bark. Make the first two (2) cuts
the size noted on drawings.
1. Where plants show signs of failure to grow at any time during
B.
Backfill material for plant pits shall be a mixture as noted on
the life of the Contract, including the specified maintenance
3.07 WATERING:
drawings. The materials shall be thoroughly mixed to the bottom of
period, and where plants are so injured or damaged as to
branch. Make the third cut at the trunk to remove the resulting
stub.
the pit so that they are evenly distributed and without clods or
render them unsuitable for the intended purpose, immediately
-lumps. Backfill shall be so placed in the pits that the plant will be
remove such plants and replace with new plants meeting the
immediately after planting, apply water to each tree, vine and shrub in a
at its- natural growing height and the backfill material will be level
specified requirements and at no additional cost to the
10. Do not prune or clip shrubs into balled or boxed forms unless
one inch below surrounding soil after settlement.
Owner.
C.
Position the plant in the hole and backfill no higher than halfway up
2. Where plants for any reason fail to meet requirements of the
the rootball. Place the recommended number of tablets evenly
warranty, within ten days after being so notified by the
A.
around the perimeter of, and immediately adjacent to the root ball
Architect, remove such plants and replace with new plants
work force at all times. Notify Agency of all changes in
at a depth which is between the middle and the bottom of the
meeting the specified requirements and at no additional cost
irrigation system within one hour after ground cover planting.
rootball. Complete the backfilling, tamp and water.
to the Owner.
3.05
PLANTING TREES, SHRUBS AND GROUND COVER:
PART 2 PRODUCTS
A.
General:
2.01 Topsoil: Existing soil on the site shall be used as topsoil for planting
1. Plant nursery stock immediately upon delivery to the site and
purposes insofar as possible, but shall be free of debris, oil, weeds or other
Submit to Agency's Authorized Representative for approval, two (2)
approval by the City's Authorized Representative, except
foreign matter. Contaminated soil shall be removed' and replace with
grass and other planting.
that, if this is not feasible, heel -in the bare root and balled
acceptable existing soil or imported soil. If site soil is used it must be
as outlined in the University of California Publications
AXT-311,"Staking
material with damp soil to protect from sun and wind.
screened to remove rocks 1" and larger from the top 6".
Landscape Trees".
C.
2. Regularly water nursery stock in containers, and place them
A. Imported soil if indicated on plans shall be sandy textured. Silt plus
p P
1. Schedule of maintenance operations and monthly status report
in a cool area protected from sun and drying wind.
clay content of this soil shall not be greater than 15% by weight.
watered with the irrigation system.
The boron content of this soil shall not be greater than 1 part per
3.03 GROUND COVERS
3. Do not plant until irrigation system installation is complete
million as measured on the saturation extract. The sodium
and until final grades are established and approved.
absorption ration (SAR) shall ' not exceed 3.0 millimhos per
. centimeter at 25 degrees C. In order to insure conformance,
control advisor for all weed, pest and disease controls restricted
4. Plant locations shown on the drawings are tentative and
samples of the imported soil shall be submitted to Soil and Plant
Trees smaller than 30" box size:
subject to minor modification in the field as directed by the
. Laboratory, Santa Ana, (Telephone 1714) 558-8333) for analysis
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City's Authorized Representative. Make such modifications
prior to use. Results of testing shall be delivered to the City's
of location at no additional cost to the City.
Authorized Representative for approval.
.
State or Federal government pertaining to this work.
5. Set plants so that when settled they will bear the same
2.02 Fertilizers and soil conditioners:
stake 24" into solid ground.
relation to the natural grade in the container.
A. Organic amendment shall be nitrolized -mineralized redwood shaving
ground covers.
6. Place each plant in the center of the pit and backfill with the
(.5% actual nitrogen) or nitrolized-mineralized fir shaving. (.8%
prepared soil:
actual nitrogen) or nitrolized-mineralized fir bark 0 % actual
penetrating, crowding or injuring the roots.
nitrogen). It shall be fine textured, having actual minimum 80%
1. Control weeds, preferably with pre -emergent herbicides and with
a. Do not use muddy sail for backfilling.
' passing #8 screen and minimum 95% passing #4 screen. Salinity
A.
b. Do not fill above the'crown.
shall not be higher than 3.5 millimhos per centimeter at 25 degrees
C. Cut off broken and frayed roots. I
C as measured by saturation extract conductivity.
with the Agency's representative to clarify scope of work and
d. Place 21 gram "Agriform" plant tablets in plant pit for 1
gal. and larger materials at the manufacturer's
B. Commercial fertilizer: Provide an approved standard brand
.
recratetablet
fforplants, 3
1e
i.e.plants,
conforming with pertinent State fertilizer laws, uniform in
B.
mmend5 gal.ded gal.
tab 4 for gal
composition, dry and free flowing. Provide the following
e. Tamp the backfill vigorously to -eliminate air pockets.
percentages by weight as noted in 3.04 of these specifications.
trees, shrubs, ground covers and lawn, recording all plant materals
A. Watering:
B.
Planting trees:
C. Agricultural gypsum: Containing 98% minimum calcium sulphate.
per tree unless otherwise directed.
C.
1. Dig tree holes with vertical walls and level bottoms, .making
D. Soil Sulfur: Agricultural grade sulfur containing a minimum Qf 96%
the hole. twice -the diameter of the root ball and 1-1 /2 times -
sulfur.
system, making sure that faulty electrical controllers, broken or
the depth of the root ball for trees up to and including 24"
2. Protect bark of tree by covering with rubber hose.
size - for trees 36" 'box size and larger dig holes twice the
E. Iron Sulfate: 20°!o iron derived from ferric and ferrous sulfate, 10%
diameter
diameter of the root bail and 12" deeper than the root ball
sulfur
depth. Loosen the soil at side and bottoms.
2.03 Plant Materials
2. Backfill the hole with the specified mix, compacting as
required, to the bottom of the boxed- soil; insert the tree to
A. Quality and size of all plants shall conform to the California
into undisturbed soil and tightening guy lines to firm tension.
the required grade; and backfill around sides with the
Standard Grading Code of nursery stock and shall be No. 1 grade.
C.
specified mix.
They shall be vigorous, of normal growth, free from disease, insects,
Perform all maintenance duringhours mutual) agreed upon between
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3. Water at night if irrigation system is electrically controlled.
-Otherwise watering shall be done during early mornings.
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insect eggs and larvae. All plants shall equal or exceed the
C.
Planting shrubs, vines, and ground cover:
measurements specified in plant list.
1. Plant shrubs and vines in pits at least 12" greater in diameter
B. Container stock shall have grown in containers for at least one
B.
than their ball of earth, and at least 6" below the bottom of
year, but not over three years. Samples shall be shown to prove
3.09
the ball.
- -'--- - - that -no rpotbound conditions exist. No container plants that have
as often as necessary to perform specified maintenance in accordance
with the approved maintenance schedule.
1. Control broad leaf weeds with selective herbicides.
cracked or broken balls of earth, when taken from containers, shall
Vines: Unless otherwise directed by the City's Authorized
2. Loosen the compacted soil at bottom of pits, and fill with the
be planted except. on special approval.
2. In area where crabgrass has infested the lawn, apply a selective
specified mix, to the bottom of the ball.
. C. Plants shall have been grown under climatic conditions comparable
3. Set the plant and backfill to the required grade with the
to those of the project site, unless otherwise specifically approved
specified mix, thoroughly tamping and watering.
by the City's Authorized Representative.
1.
PART 2 - PRODUCTS
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INSPECTIONS:
.N# . . . . .
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3. Apply per -emergent herbicides such as Dacthal, Balan, or
.5-r ,
Ar
4.
Remove vines from stakes, untie and fasten to adjacent
3.12 GUARANTEE
B. Pmt___ ec =- -
SCALE:
surfaces as directed by the City's Authorized Representative.
DATE. •.
CHECKED BY. IAPPROVED
..q411160-1.�
1.'t'-
BY: ' / .
DATE:�ai �9f
CiTY ENGINEER R.C.E. 25126 EXP.DATE 12 31 9
DWG. NO.:
471
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A.
All trees, 5 gallory or larger; -shall be guaranteed by the Contractor
1 • Protect all Planting areas from damage of all kinds from
5.
Prepare depressed water basin as wide as plant rootballs at
a
to live and grow in an acceptable upright position for a period of
beginning of work until Final Acceptance by the Agency's
Q
each plant. Water thoroughly, backfilling v�rids with the
one year after completion of the specified maintenance period
Authorized Representative.
W
prepared mix.
.10
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and/or final acceptable by the City's Authorized Representative.
2.
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Replacement plants shall be of a size, condition and variety
6.
Plant ground cover in pits at least 4" x 4" x 4". Moisten the
B.
The Contractor, within fifteen days of. written notification by the
acceptable to Agency's Authorized Representative.
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areas prior to planting, and do not plant in dry soil. Set plants
City's Authorized Representative shall remove and replace all
3.03 TREES AND SHRUBS
in center of pits so that crown of plant will be level with
guaranteed plant materials which, for any reason, fail to meet the
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finished grade after settling of soil, then backfill and water.
4)
requirements of guarantee. Replacements shall be made in the
A. Water Basins:
original planting, and all such replacement materials shall be
D. Watering basin: Construct a mound of soil around each tree and
Z
guaranteed as specified for the original guaranteed m4terials.
1. Maintain all watering basins around plants so that enough water
plant to form a watering basin, placed at the edge and following the
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can be applied to establish moisture through major root zones.
shape of the root ball:
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2. In rainy season, open basins to allow surface drainage away
1.
, Make basin berms for trees, shrubs, and vines from 5 gal.,
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. -_ - .. -_ .--- - -- -------r---
from the root crown shere excess water may accumulate. -
0 "
and larger containers at least 4" high. Unless otherwise
Restore watering basins at end of rainy season.
directed, make other mounds at least 2" high.
LANDSCAPE
MAINTENANCE SECTION 02970
3. For supplement hand watering of watering basins, use a water
2.
On slopes, construct half -mounds on the lower side if full
o �
wand to break the water force. Do not permit crown roots to
become exposed to air through dislodging of soil and mulch.
mounds are not practical. -
PART 1 -GENERAL
M. ,"-.
B. Resetting, Reset plants to proper grades or upright position.
3.
After watering, refill settlement within the basins to the
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I
required grade, using the specified mix and recovering the
1.01 DESCRIPTION
C. Weed Control:
surface with the specified mulch.
A.
Related Requirements: Reveiw the General Conditions, Standard
1. All areas between plants, including watering basins shall be weed
4.
Watering basins shall be planted with ground cover in normal
Specifications and Special Provisions, which contain information and
free. .
requirements that apply to this Section.
pattern.
-
2. Use only recommended and legally approved herbicides to
A.
General: - I
B.
Work Included: Provide Landscape Maintenance, complete as specified.
control weed growth. '_.
1. Prepare the areas as previously specified, then rake and roll
C.
Related Work in Other Sections:
3. Avoid frequent soil.cultiviation that destroys shallow roots and
to a smooth, firm surface with uniform grade.
breaks the seal of pre -emergent herbicides.
Irrigation System - Section 02810
2. Secure the City's Authorized Representative approval of
Soil Preparation - Section 02920
Lawns and Grasses - Section 02930
D. pruning`:
prepared area prior to planting. Use sod unless seed is
Trees, Shrubs, and Ground Covers - Section 02950
1. Prune trees to select and develop permanent scaffold branches
specifically requested.
that are .smaller in diameter than the trunk or branch to shich they
. are attached, and which ahve vertical spacing of eighteen (I 8)
B.
Sod installation:
1.02 QUALITY ASSURANCE
inches to forty-eight (48) inches and radial orientation so as not
'
to overlay one another.
1. install sod immediately after its delivery to the job site.
A.
Applicable Standards: Apply as described in the -following:
2. Prune trees to eliminate diseased or damaged growth, and
2. Set sod tight, without gaps between pieces, and roll with a
narrow V-shaped branched forks that lack strength. Reduce
200 lb., water -ballast roller immediately after the first
1. General Conditions, Special Provisions, Exhibit 'A" and
toppling and wind damage by thinning out crowns.
watering.
Appendix 1.
3. Prune trees to maintain growth within space limitations,
3. Keep sodded areas thoroughly watered and continuously
2. Guide for Fertilizing Shade and Ornamental Trees.
maintaining a natural appearance and balancing crown with roots.
moist as required to assure continued growth and to maintain
3. Pruning Standards for Shade Trees.
4. No stripping of lower branches raisin u
PP g ('raising p") of young trees
health condition.
Y
will be permitted.
B.
uirements R of Re
� €tllglo�,Y Agencies:
4. Protect sodded areas by erecting temporary fences,
5. Retain lower branches a "tipped back" or pinched condition to
barricades, signs, and other protection as needed.
1. Perform all work in accordance with all a
applicable laws, codes
pp
promote caliper trunk growth (tapered trunk). Do not cut back
and regulations required by authorities having jurisduction over
to fewer than six buds of leaves on such branches. Only cut
5. Where sodded areas do not show a prompt viable response of
such work.
lower branched flush with the trunk after the tree is able to stand
grass, re -sod as originally specified at ten day intervals until
erect without staking or other support.
an acceptable stand of grass is assured.
2. Provide for all inspections and permits required by Federal,
State, or local authorities in furnishing, transporting, and
6. Thin out and shape evergreen trees when necessary to prevent
C.
Seed installation:
installing of all agricultural chemicals.
wind and storm damage. Do primary pruning of deciduous trees
during the dormant season. Do not permit any pruning of trees
1. Proceed per section and "Hydroseeding".
3. The County Agricultural Commissioner's Office must by law, be
prone to excessive 'bleeding' during growth season.
.
given a monthly record of all herbicides, insecticides and disease
control chemicals used.
7. Prune damaged trees or those that constitute health or safety
2. Keep seeded areas thoroughly watered and continuously
hazards at anytime of year as required.
moist as required to assure germination and to maintain
C.
Work Force:
healthy seed growth.
8. Make all cuts clean and close to the trunk, without cutting into the
.
1. pence: The landscape maintenance firm shall have a full
branch collar. "Stubbing" will not be permitted. Cut smaller
3. ,Protect seeded areas by erecting temporary fences,
time foreman assigned to the job for the duration of the contract.
branches flush with trunk or lateral branch. Make larger suts
barricades, signs and other protection as needed.
He shall have a minimum of four (4) years -
(one (1) inch in diameter or larger) parallel to shoulder rings,
landscape maintenance supervision, with experience or training in
with the top edge of the cut at the trunk or lateral branch.
4. Where seeded areas do not show a prompt catch of grass, re-
turf management, entomology, pest control, soils, fertilizers and
g• Branches too heavy to handle shall be pre-cut in tree stages to
seed as originally specified until an acceptable stand of grass
-plant identification. HE MUST SPEAK ENGLISH
prevent splitting or peeling of bark. Make the first two (2) cuts
is assured.
FLUEIVT'LY.
eighteen (18) inches or more from the trunk to remove the
3.07 WATERING:
2. Labor Force: The landscape maintenance firm's labor force shall
branch. Make the third cut at the trunk to remove the resulting
stub.
be thoroughly familiar and trained in the work to be
immediately after planting, apply water to each tree, vine and shrub in a
accomplished and perform the task in a competent, efficient
'manner acceptable to the Agency.
10. Do not prune or clip shrubs into balled or boxed forms unless
moderate hose stream in the planting basins until the material above the
specifically called for by design.
roots is completely saturated -from the bottom to the top.
3. Supgrvision: The forman shall directly employ and supervise the
E. Staking and Guying of Trees:
A.
Provide thorough watering of ground cover by means of the
work force at all times. Notify Agency of all changes in
irrigation system within one hour after ground cover planting.
supervision.
1. Inspect stakes and guys at least one month to check for rubbing
B.
Apply water in such quantities, and at such intervals, as required to
1.03 SUBMITTALS
I
that causes bark wounds.
.
keep the ground moist at all times well below the root system of
A.
Submit to Agency's Authorized Representative for approval, two (2)
2. Contorm to the recommended procedures of staking and guying
grass and other planting.
copies each of the following items:
as outlined in the University of California Publications
AXT-311,"Staking
Landscape Trees".
C.
Provide hose watering for plants which cannot be efficiently
1. Schedule of maintenance operations and monthly status report
watered with the irrigation system.
including list of all equipment and materials proposed for the job.
3.03 GROUND COVERS
.3.08
TREE STAKING
2. Written application recommendation by a licensed agricultural pest
A. Watering:
control advisor for all weed, pest and disease controls restricted
A.
Trees smaller than 30" box size:
by the Director of Agriculture proposed for this work.
1. Check for moisture penetration throughout the root zone at least
1. Where trees are not to be guyed at time of planting, stake
3. All licenses and insurances required b the Cit of Fontana the
�l y Y ,
two (2) times a month.
such trees by placing stake in the prepared hole and driving
State or Federal government pertaining to this work.
2. Water as frequently as necessary to maintain healthy growth of
stake 24" into solid ground.
4. Monthly record of all herbicides, insecticides and disease control
ground covers.
2. Place the stake as close to the tree as possible without
chemicals used for the project.
B Weed Control: ,
penetrating, crowding or injuring the roots.
1.04 PROJECT CONDITIONS
1. Control weeds, preferably with pre -emergent herbicides and with
3. Fasten the tree to the upper end of stake in at least two
A.
Site Visit: At beginning of maintenance period, visit and walk the site
selective systemic herbicied.
places, using Wonder Tree Ties to protect the trunk.
with the Agency's representative to clarify scope of work and
2. Minimize hawing of weeds in order to avoid plant damage
o
understand existing projectisite conditions. .
.
B.
Trees 30" box size and larger.
B.
I
Documentation of Conditions: Document general condition of existing
3.04 LAWNS -
•
trees, shrubs, ground covers and lawn, recording all plant materals
A. Watering:
1. Guy immediately after planting, using not less than three guys
which are damaged or dying, if any,
per tree unless otherwise directed.
C.
Irrigation System: Document general condition of existing irrigation
1• Water lawns at such frequency as weather conditions require, to
system, making sure that faulty electrical controllers, broken or
replenish soil moisture to six (6) inches below root zone.
2. Protect bark of tree by covering with rubber hose.
inoperable sprinkler heads (or emitters) are reported.
2. Provide a total of one and one-half (1-112) inches of water
3. Use the specified guy anchors, driving to a minimum of 24"
weekly duing hot summer weather, in five (5) applications per
into undisturbed soil and tightening guy lines to firm tension.
1.05 SCHEDULING
week.
C.
Trees in planters over concrete structural slab sha_11 be guyed and
A.
Perform all maintenance duringhours mutual) agreed upon between
y g
3. Water at night if irrigation system is electrically controlled.
-Otherwise watering shall be done during early mornings.
secured to deadmen or planter walls as directed.
Agency and Contractor.
...
B.
Work force shall be present at the project site at least once a week and
B. Weed Control For Weed Free Lawns:
3.09
-
VINE ESPALIERING
as often as necessary to perform specified maintenance in accordance
with the approved maintenance schedule.
1. Control broad leaf weeds with selective herbicides.
A.
Vines: Unless otherwise directed by the City's Authorized
2. In area where crabgrass has infested the lawn, apply a selective
Representative fasten vines and train them against fences or walls-
post -emergent herbicide as soon aspossible and prior to
in normal fan position.
PART 2 - PRODUCTS
flowering.
3.10
INSPECTIONS:
3. Apply per -emergent herbicides such as Dacthal, Balan, or
In
addition to normal progress inspections, schedule and conduct the
2.01 ACCEPTABLE MANUFACTURERS
Betasan prior to crabgrass germination.
following formal inspections, giving the City's Authorized Representative
A.
Fertilizers:
4. Do not irrigate for forty-eight (48) hours after application -of all
at
least 24 hours prior notice of readiness for inspection.
herbicide sprays.
Sierra Chemical Company
A.
Inspection when shrubs and plants are spotted for planting, but
1001 yosemite Drive
5. Coordinate application of herbicides with thatch control and
before planting holes are excavated.
Milpitas, California 95035
reseeding schedule as described below.
B.
Final inspection after completion of planting, and prior to
(408) 263-8080
6. Weeds are defined as any plant that is not on the approved plant
maintenance period.
B.
Herbicides:
pallet list or within the hydroseeding mix.
1. Schedule this inspection sufficiently in advance, and in
Chevron Chemical Company 17.
All herbicides shall be applied by licensed applicator per the
manufacturer's instructions.
cooperation with the City's Authorized Representative, so
575 Market Street
San Francisco, California 94105
that final inspection may be conducted within 48 hours after
y
{415) 894-0880
C. MowinMowing a_nd Edging.,
completion of planting.
Phone -Poulenc Chemical Company
I . Mow lawns when they reach two and one-half (2-1/2) inches
C.
Final inspection at the end of the maintenance period, provided all
Agra Chemical Division
high•
previous deficiencies have been corrected.P.O.
Box 125
Monmouth Junction, New Jersey 0$852
2. Trim edges at least two (2) times per month or as needed for
3.11
MAINTENANCE
(201) 297-0100
neat appearance. Vaccume clippings.
A.
Maintain planting, starting with the planting operations and
Ciba-Geigy Corporation
D. Reseeding of Lawn Areas: Match existing seed mix of adjacent areas.
continuing for 90 calendar days after planting and approved by the
Agricultural Division
E. Top Dress Fertilizer:
City's Authorized Representative.
P.O. Box 1830
Greensboro, North Carolina 27419
B.
Work included:
(919) 292-7100
1. See Section 02930 - Lawns and Grasses for type of fertilizer to
be used.
1. Include watering, weeding, cultivating, caring for the plants,
Elanco Products Company
740 S. Alabama Street
2. Contractor shall apply top dress fertilizer to all lawn areas in two
edging, mowing, spraying, pruning, and other activities
Indianapolis, Indiana 462$5
India India261-3638
(2) complete and separate applications- during the 90 -day
Maintenance Period unless otherwise recommended by the
required to keep the plant materials in a healthy growing
condition and to keep the planted areas neat and attractive
fertilizer manufacturer or a certified horticulturist employed by -
during the maintenance period.
The Dow Chemical Company
the contractor.
2. Provide equipment and means for proper application of water
P.O. Box 1706
Midland_, Missouri 48640
3. The first application shall take place no later than the end of the
second week of the ninety (90) day period. The second
to those planted areas not equipped with an irrigation system.
application shall occur just prior to the end of the ninety (90) day
3M Company -Agri Chemicals Project
Maintenance Period and Fina) Appectance.
3. Protect planted areas against damage, including erosion and
3M Center, Building 223-6SE
trespassing, by providing and maintaining proper safeguards.
St. Paul, Minnesota 55144
(317) 261-3000
3.05 INSECTS, PESTS, AND DISEASE CONTROL
4. Where lawn areas have required re -sodding, maintain such re-
sodded areas for at least 30 calendar days unless otherwise
2,02 MAS
A. I Inspect all plant materials for signs of stress, damage and
approved by the City's Authorized Representative.
A.
�gn�ji All materials and equipment, unless otherwise indicated, shall
potentialtrouble
potential trouble from the following:
5. Mow the grass with a reel type mower, equipped with rollers,
be provided by the Contractor.
1. Presence of insects, moles, gophers, ground squirrels, snails and
slugs in planting areas. .
before the areas exceed 3" in height but not less than 2".
B.
Water: Clean, potable and fresh, furnished and paid for by the
Collect the grass clippings during mowing operations and
Contractor.
2. Discolored or blotching leaves or needles.
remove from the site.
I
C.
Fertilizers:
3. Unusually light green or yellowish green color inconsistent with
6. After each cutting, trim the edge of the grass to a neat and
normal green color of leaves,
uniform line.
1. Tightly -compressed, slow-release and long-lasting complete
7. After the initial mowing, mow grass a minimum of once every
fertilizer tablets bearing manufacturer's label of guaranteed
analysis of chemicals present.
B. Personnel: Perform spraying for insect, pest and disease control only
by qualified, trained personnel.
seven days, with a final mowing four days prior to the end of
the maintenance period. Make a fertilizer application 3 days
2. Balanced, once -a -season application controlled -released fertilizers
C. Application: Spray with extreme care to avoid all hazards to any person
after the final mowing using material specified in Article 2.02
with a blend of coated pills which supply controlled -release
or pet in the area or adjacent areas.
B at the rate of 5 lbs./1000 sq.ft.
nitrogen, phospOorus andpotassium, and phosphorus.
-
8. Fertilize ground cover areas . using material specified at the
D•
Herbicides. Insecticide d'Fun
3.06 IRRIGATION SYS'T'EM
rate of 5 lbs/,000 sq.ft., ten days prior to end of
• . . -
maintenance period.
1. Obtain best quality materials with original manufactrer's
A. general•
C.
At the end of the maintenance period, all plant material shall be in a
containers, properly labeled with guaranteed analysis.
1. Repair without charge to Agency all damages to system caused
healthy growing condition, except that replacements required
2. Use non -staining materials.
by Contractor's operations. Perform all repairs within one (1)
watering period.
because of vandalism or other caused beyond the control of the
.
Contractor are not part of the contract.
E.
Lawn Seed for Reseeding: Match existing lawn mix.
2. Report promptly to Agency all aecidential damage not resulting
D.
Repairs: -
F.
Replacement Tree Guys. Stakes. Ties and Wires: Match existing
from Contractor's negiignece or operations.
materials on the site.
3. Do not run the irrigation system during rainy -periods. Set and
1. Exterminate gophers and moles and repair damage. -
program automatic controllers for seasonal water requirements.
2. Where depressions are caused by vehicles, bicycles, etc.
PART 3 - EXECUTION
4. Two (2) times a month, use a probe or other acceptable toot to
check the rootball moisture of representative plana as well as the
E.
Fertilizing: Fertilize shrubs and ground cover with two applications,3.01
GENERAL
surrounding soil.
at the rate of 5 lbs/1000 sq.ft., once every month starting 30 days
after installation of area, distributed uniformly. Water thoroughly
A.
Duration: Continuously maintain each plant and each portion of ground
B. Cleaning Aad Monitoring the S,ystelM
immediately after application.
cover arra after installation, during progress of work, and for a period
1. Continually monitor the irrigation systems to verify that they are
of ninety (90) days after completion of all planting work until Final
funcitioning properly as designed: Make program adjustments
F.
Extension of maintenance period: Continue the maintenance period
Acceptance by the Agency's Authorized Representative. -
required by changing field conditions.
at no additional cost to the City until previously noted deficiencies
- .
have been corrected.
1 2. Clean pump filter and strainer as after as necessary to keep the
.. - . ..
irrigation systems free of sand and other debris.
3. -- Prevent spraying on windows, building walls, by balancing the
throttle control on the remote control valves and the adjustment
screws on the sprinkler heads. Do not allow water to atomize
and drift.
C. Air Blow -Out: .
1. Set automatic control stations to two and one half (2-1/2) minutes
timing.
2. Attach hose from portable air compressor to one (1) inch air inlet
installed on main line at backflow preventer.
3. Operate compressor at one hundred (100) cubic feet per sencond
. at 60-80 PSI.
D, Manual Drain Valves: Open manual drain valves located al low points
on the main line to' drain completely after air blow-out has been
completed.
E. Backflow Preventer. Rotate backflow unit at unions and open pet cocks
and drain. Reverse operation and tighten unions to resume irrigation.
3.07 THE NINETY (90) DAY MAIN'T'ENANCE PERIOD
A. Preliminary Review: As soon as all plantings are completed per
Contract Documents, hold a preliminary review to determine the
condition of the work. -
B. Date of Review: Submit a written request to the Agency's Authorized
Representative at least five (5) working days prior to anticipated date of
review.
C. Beginning of the Ninety (90) Day aintenance Period: The date on
which the Agency's Authorized Representative issues a letter of .
Preliminary Acceptance to the Contractor. By this date, all plant
materials shall be planted and all areas requiring hydroseeded lawns shall
be completed. . .
3.08 PRE -FINAL AND FINAL ACCEPTANCE '
A. Conditions for Pre -Final Acceptance of Work at End of Maintenance
1. Each plant shall be alive and thriving, showing signs of growth
and no signs of stress, disease, or any other.
2. All plants not meeting these conditions shall be replaced and a
Ninety (90) Day Maintenance Period commenced for such plants.
3. Lawn areas shall be 100% weed free unless otherwise approved
by the Agency's Authorized Representative.
4. Lawn areas shall have 100% germination and establishment of
turf.
B. Corrective Work#
1. Work requiring corrective action or replacement in the judgement
of the Agency's Authorized Representative shall be performed
within ten (10) calendar days after the Pre -Final Review.
. .
-2. Perform cotfective work and materials replacement in accordance
with the Drawings and Specifications and shall be made by the
Contractor at no cost to the Agency.
3. After corrective work is completed, the Contractor shall again
request a Pre -Final Review for Pre-Fi W Acceptance as outlined
above.
4. Continue maintenance of all landscaped area until such time as all
corrective mueasures have been completed and accepted by the
Agency's Authorized Representative.
C. Final Acceptance: Final approval and acceptance of the work will be
given when the following conditions, as determined by the Agency's
Authorized Representative have been met:
1. At completion of the ninety (90) day maintenance period, and
when one hundred (100) percent germination and plant
establishment is obtained.
2. All planting area shall be weed free unless otherwise approved
by the Agency's Authorized Representative.
3. After final inspection and acceptance by the Agency's Authorized
Representative. '
4. The Agency's Authorized Representative reserves the option to
extend- the maintenance period beyond (90)� days specified, if they
determined that further maintenance is necessary to provide the
one hundred (100) percent establishment required by the Contract
Documents. -
5. Approval and acceptance for operation and maintenance will be
given in writing by the Agnecy's Authorized Representative.
3.09 WARRANTY PERIOD AND REPLACEMENTS OF PLANT MATERIALS
A. Specific Requirements: Refer to the following sections:
1. Lawns and Grasses - Section 02930 .
2. Trees, Shrubs, and Ground Covers - Section 02950
r,
CITY OF FONTANA, CALIFORNIA
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DRAWN BY.
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DESIGNED BY:
DATE. •.
CHECKED BY. IAPPROVED
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BY: ' / .
DATE:�ai �9f
CiTY ENGINEER R.C.E. 25126 EXP.DATE 12 31 9
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