HomeMy WebLinkAbout5679-13BENCH MARK: #377 BASIS OF BEARINGS:
N & F IN PP # 408083E BASIS OF BEARINGS N. 00'27'13" E
(STAMPED F.U.W.B.M.) AS SHOWN ON TRACT MAP NO. 1321
5E CORNER HEMLOCK & FOOTHILL AVE. BOOK 221, PAGE 3-6.
ELEVATION: 1259.54
VI. WEED CONTROL:
A. KILLING WEEDS: Contractor shall germinate and destroy
existing weed seeds before preparing areas for
planting. Sufficient water shall be applied to cause
week seed to sprout. Young weeds shall then be
destroyed and removed before they have opportunity to
set seed.
B. ADDITIONAL REQUIREMENTS. For additional weed killing,
refer to Planting Notes on the Planting Plan.
W1. SOIL PREPARATION:
A. SOIL REPORT, Before starting soil preparation the
Contractor shall submit a soil report to the Owner and
Landscape Architect. If no soil report is submitted
It will be assumed that amendments were not added and
the Landscape Contractor will be requested togive a
credit for soil preparation.
B. COMPACTED AREAS: Soil areas that are compacted to
more than 929 during site preparation shall be ripped
to a minimum of 12 prior to beginning soil
preparation. These areas shall be defined by the
Landscape Architect and be billed as an
extra if the unit price is quoted in the bid.
C. METHOD OF MIXING: If the slope is under 2 1/2 to 1
the soil preparation materials should be broadcast
uniformly over all landscape areas and worked to a
depth of 6" by a rototiller or other acceptable
mechanical means to obtain a uniform blend to
the soil. If the slope is greater than 2 1/2 to 1 the
amendments shall be hydraulically applied for areas
over 1000 square feet and raked in for small areas.
For the soil amendment mix refer to the Planting Notes
on the Planting Plan.
D. EXTRANEOUS MATERIAL: In addition to the work
specified above the Contractor shall remove all
extraneous material that is exposed on the surface and
grade to facilitate run—off of surface water-
E.
aterE. DELIVER SLIPS: Supply delivery slips from the
supplier for the soil amendments to the site (Bulk
loads from the Contractors yard will not be accepted.
Supply empty bags for fertilizer to the Superintendent
of the job.)
Vill. SHRUB AND TREE PLANTING:
A. CORRELATION: Trees and shrubs shall not be planted
until all operations in conjunction with the
installation of the sprinkler system have been
completed, final grades have been established, and the
planting beds properly prepared by cultivation and
fertilization as covered in these specifications.
8. HANDLING AND STORAGE: All plants shall be handled and
stored so they are adequately protected from drying
out, sun, windburn or any other injury.
C. PLANTING TIME: No planting shall take place during
extremely hot, dry, windy or freezing weather.
D. LOCATIONS: Relative position of all plants and trees
is subject to approval of the Landscape Architect and
they shall, if necessary, be relocated at his
direction as part of this contract.
E. DISTRIBUTION: No more plants shall be distributed
about the landscape area than can be planted and
watered on the some day.
F. CONTAINER REMOVAL: Plant containers shall be removed
when planting the plants. Cons shall be split on both
sides. An axe or spade shall not be used. All
containers shall be removed from the site.
G. PLAN77NG PITS: All tree and shrub pits shall have a
diameter of at least twice the diameter of the
rootball. Pit depths shall be minimum 12" deeper than
the rootball for trees and 8" deeper than the root
ball for shrubs or as per planting details.
H. PLACING. Plants shall be placed and held during
backfill in an upright position in the center of the
pit. Plants shall be held at, or slightly above
nursery level_ The earth ball shall be kept intact.
Any exposed roots shall be spread. Injured roots
shall be pruned.
I. BACKFILL: Plant pit backfilling soil shall consist of
I part nitrogen stabilized sawdust — 2 parts topsoil.
Materials shall be thoroughly mixed before
replacement. In addition to backfill commercial
fertilizer 20-10-5 Agriform 21 gram tablets shall be
added to plant pits at the following rates.
• one tablet per one gallon container
• two tablets per five gallon container
• three tablets per 15 gallon container
• four tablets per 20" and 24" box
• five tablets per 30" box
• six tablets per 36" box
• seven tablets per 42" box
• eight tablets per 60" box
• nine tablets per 72" box
• ten tablets per 84" box
• ground cover plants planted from flats or liners in
2:.1 or steeper slopes shall receive one 5 gram tablet
per plant
J. WATERING When the pit has been backfilled to three—
quarters of its depth water shall be poured about the
roots. Air pockets shall be eliminated and backfill
continued until the backfill Is brought to the grade
level.
K. COMPACTING: Backfill shall not be compacted around
the roots or ball of the plant during or after
planting. The backfill on which the plant ball rests
shall be lightly compacted.
M. STAKING: Stakes shall be driven to sufficient depth
to hold tree rigid. Tree shall be supported by at
least two ties (see details).
0. PRUNING: Limbs, branches, cones and runners which
require trimming shall be removed to leave a clean cut
flush with trunk. (Pruning only as directed by the
Landscape Architect).
P. PLANTING BEDS: Planting beds shall be edged and
cultivated to the line shown. Beds shall be brought
to a smooth even surface conforming to established
grades after full settlement has occurred.
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XI. SHRUB COVER AREAS:
A. REFERENCE: Refer to Paragraphs V. - W. VIII. for
finish grading, weed control, and soil preparation.
B. SOIL PREPARATION., Prepare the soil as per these
specifications and the planting Notes on the Planting
Plan.
C. GRADING: Areas shall be raked and floated smooth to
provide a true and uniform surface.
D. PLANT PITS AND FERTILIZER: Planting pits for ground
cover shall be 4" x 4" or adequate to accept material
from flats without crushing or deforming the rootball.
Place a 20-10-5— Agriform 5 gram fertilizer tablet in
each ground cover.
E. PLANTING: All ground cover areas noted on the plans
shall be rooted cuttings from flats and shall be
planted in staggered rows continuously under all trees
and shrubs at the spacing indicated on the plans. All
plants shall be protected from drying out prior to
planting.
F. WATERING: Each section of ground cover shall be
immediately watered upon completion of planting, and
thereafter as required.
G. SPACING FROM EDGE: The first row of ground cover
should always be within 6" of the edge of the planting
area.
X SEASONAL COLOR:
A. REFERENCE: Refer to Paragraphs V W. WI. for finish
grading, weed control, and soil preparation.
B. SOIL PREPARATION:. Prepare the soil as per these
specifications and the Planting Notes on the Planting
Plan.
C. GRADING: Areas shall be raked and floated smooth to
provide a true and uniform surface.
D. QUALITY OF PLANTS: Plants shall be healthy annual
plant material in 4" pots in boom.
E. PLANT PITS AND FERTILIZER: Each plant pit for
seasonal color shall be 6"x6"x6" with one teaspoon of
bone meal mix into the backfill mix. (Use shrub
backfill mix). Do not use Agriform plant tablets.
G. WATERING: Each section of seasonal color shall be
immediately watered upon completion of planting, and
watered thereafter as required.
H. SPACING FROM EDGE.• The first row of seasonal color
should always be within 6" of the edge of the planting
area.
XI. SOD LAWN MATERIALS & PLANTING (IF APPLICABLE):
A. QUALITY: Sod shall be #Grade, machine cut at a
uniform thickness of 5/8" excluding tip growth and
thatch, weed free and shall be no less than eight
months nor more than sixteen months old.
B. TIMING: Installation shall take place within 24 hours
after harvesting.
C. REFERENCE: Refer to Paragraphs V. W. VII. for finish
grading, weed control, and soil preparation.
D. PREPARATION: Sod area prior to planting shall be
rolled lightly and watered to a depth of 6" the day
prior to planting. if any air pocketsare found, the
area shall be regraded as necessary. Lightly water
the area to be planted just prior to planting.
E. INSTALLATION: Sod shall be laid in a staggered
pattern, with tight joints and in the same direction
each time. On all slopes sod shall be installed from
the bottom up and the newly laid sod should be
protected by walking on boards as installer moves
upward. On metal staples will be allowed. No sod of
less than 18" in length will be allowed. No sod of
less than 18" in length will be allowed.
F. JOINTS: Adjoin the section of sod firmly together.
If air spaces occur between sections of sod they must
be filled with sand or have the sod relaid.
G. ROLLING: Roll sod with on adequately weighted roller
to smooth out the sod bed.
H. PROTEC77ON OF EDGES: Regrade to protect the edges
from drying if mowing edge is not used.
I. WATERING After installation sod must be kept
thoroughly watered to a depth of 6 No foot traffic
should be allowed for 2 or 3 weeks from the date of
installation.
J. INSPECTION BY SUPPLIER: If there are any questions
regarding the quality of sod installation a
representative of the supplier shall be requested to
inspect the installation and the Contractor called out
by the suppliers representative.
X11. SEED LAWN PLANTING (IF APPLICABLE):
A. REFERENCE: Refer to paragraphs V, W, Oil, for
finish grading, weed control, and soil preparation.
B. PREPARATION: Cultivate to a depth of 2" below finish
grade, remove stones, foreign growth of any kind and
extraneous matter, and grade to remove ridges and
depressions so that areas after settlement will
conform to the finish grade. Roll and rake lightly
until the surface is smooth, friable and of uniform
fine texture.
C. SOWING: Sow lawn seed in the area designated on the
drawings at the rate as designated on the planting
notes. Sow the lawn in two directions.
D. TOP DRESSING Rake lightly, spread 1/4" of Par -5 top
dressing with a mechanical spreader, roll with 200 Ib.
roller and water with a fine spray.
X111. HYDROSEEDING SPECIFICATIONS (IF APPLICABLE):
A. GENERAL: The hydro—mulch shall be applied in the form
of a slurry consisting of wood cellulose fibre, seed,
chemical additives, commercial fertilizer and water.
When hydraulically sprayed on the soil surface the
hydromulching shall form a blotter like ground cover
impregnated uniformly with seed and fertilizer and
shall allow the absorption of moisture and rain fall
to percolate to the underlying soil. hydro—mulch
specifications may be superseded by the Horticultural
soils test.
REV. I REVISION DESCRIPTION I DATE I ENGR.I CITY I DATE
B. SEED MIXES; Seed mixes to be used on this project are
designated on the plans and noted in the plant legend.
C. GUARANTEE: The Landscape Contractor shall be
responsible for the quality of all labor and materials
as provided by subcontractors and suppliers, including
seed mix, hydroslurry ingredients and their
application.
D. PRESOAKING SEED: Seed noted to be pre—soaked shall be
done so in clean potable water for twelve (12)
consecutive hours prior to hydroseeding. After
soaking is started, seed that drys out will be deemed
unacceptable.
E. PREPARATION:
1. All hydroslurry mixes shall be mixed at the site
under the observation of the Owner and Landscape
Architect as it is placed in the hydroslurry
tank.
2. Begin slurry preparation by adding water to the
tank when the engine is at one—half throttle.
When the water level has reached the height of
the agitator shaft and good recirculation has
been established, add the fertilizer to the
mixture (the tank shall be at least 1/3 filled
with water at this time).
3. Open the engine throttle to full speed when the
tank is 1/2 filled with water. Add all organic
amendments, fiber, seedmix and chemicals by the
time the tank is 2/3 to 3/4 full.
4. Start spraying immediately when the tank is full
and the slurry is mixed.
F. APPLICATION:
1. Apply the hydromulching in the form of a slurry
consisting of organic soil amendments,
commercial fertilizer, and other chemicals
called for. When hydraulically sprayed onto the
soil, the mulch shall form a blotter like
material. Direct the spray operation so that
the slurry spray will also penetrate the soil
surface as to drill and mix the slurry
components into the soil, thus ensuring maximum
impregnation and coverage. The impregnation and
mixing of components will help in retaining
moisture while stabilizing soil surface from
superficial erosion.
2. Spray the area with a uniform visible coat using
the dark color of cellulose fiber or organic
amendment as a visible guide. The slurry shall
be applied in a downward drilling motion via a
fan stream nozzle.
G. TIME LIMIT: All hydroslurry mixture that has not been
used within two (2) hours shall be disposed of off—
site at the Contractor's expense.
H. CLEAN—UP: Any slurry sprayed or spilled in an area
other than that designated in the plans shall be
cleaned up at the Contractor's expense.
1. RESEEDING: All bare spots shall be reseeded by the
Contractor within ten (10) days. The Contractor will
be responsible for all reseed areas for as long after
seeding as necessary until an acceptable stand of
hydroseeded material is realized and approved by the
Owner.
J. GERMINATION STAGE IRRIGATION: Approximately twenty
five (25) hours after hydromulching the planting
areas, initiate the watering sequence. The water
should be left on long enough to moisten the soil
thoroughly to the depth of the fiber, taking care not
to super saturate or to wash the fiber or soil
particles off the slopes. The Contractor will have to
repair all seed washing or erosion at his own expense.
The fiber and seed must be irrigated lightly and
frequently to maintainoptimum moisture content for
maximum germination. At all times the irrigation
system must be observed while in operation.
Irrigation sequence must be determined by air
temperature, prevailing wind velocity, soil texture,
orientation and other logistical problems. It is
imperative that the soil be kept moist at all times
during the germination period.. The light, frequent
irrigation sequence should continue until the
seedlings hove grown beyond the germination stage.
K. ESTABLISHMENT STATE IRRIGATION: The irrigation
sequence (frequency) shall be reduced while the
duration of each watering cycle will be increased. A
specific watering program shall be approved by the
Owner and Landscape Architect but should approximate
watering once a day through completion of the
maintenance period.
L. HARDENING OFF STAGE IRRIGATION: At the end of the 90—
day establishment period, as determined by the
Landscape Architect, reduce the watering frequency to
once every three (3) days, while increasing the
duration of the water sufficiently to allow for
maximum water penetration for the expanding root
system, while at the same time taking care not to
cause erosion. The precise watering reduction program
shall be determined by the Landscape Architect.
XIV. SCOPE OF EROSION CONTROL WORK:
A. EROSION CONTROL- Installation will be required in
locations specifically delineated on the drawings or
as necessary due to field conditions.
1. The surface of the slopes shall uniformly smooth
and even with all debris and rocks raked out.
The soil shall be sufficiently moist to permit
the firm laying of erosion control matting and
to prevent sloughing of topsoil.
2. The erosion control matting shall be laid with
the direction of flow of surface drainage, and
in accordance with the manufacturer's
directions. The matting shall be cut to provide
a visually pleasing slope.
3. The matting shall be stapled in place and firmly
embedded by means of tamping or rolling, as
approved by the Owner, to ensure thatthe
matting is in contact with the soil and that no
erosion can take place under the matting.
4. Planting of turf, ground covers, shrubs and/or
vines may be required in areas protected by
erosion control matting as specified in the
plans or as becomes necessary.
XV REPLACEMENTS:
A. GENERAL: The Contractor shall immediately replace
any and all plant materials which for any reason die
or are damaged while under his care. Replacements
shall be made with plants of like kind and size in the
some manner as specified for the original planting.
XVI. CLEAN—UP
A. GENERAL: After all installation operations have been
completed remove all trash, excess soil, empty plant
containers and rubbish from the property. All scars,
ruts or other marks in the area caused by this work
shall be repaired and the ground left in a neat and
orderly condition throughout the site. Contractor
shall pick up all trash resulting from this work no
less than each Friday before leaving the site, once a
week and/or the last working day each week. All trash
shall be removed completely from the site.
B. TOP SOIL: Excess topsoil shall be removed from the
site.
C. NEATNESS Leave the sidewalks and streets in a neat
and clean condition at the end of the day.
D. REMOVAL OF TAGS: Remove all tags, labels, nursery
stakes and ties from all plants unless otherwise
directed, only at the end of all installations.
XVII. PROTECTION:
A. GENERAL: At all times during construction, adequate
protection shall be provided for all planted areas
against damage of any kind, until final acceptance by
the Landscape Architect.
B. RESPONSIBILITY.. The Contractor shall be held
responsible for the care and preservation of all
existing buildings and structures on the. property and
adjacent premises. Any part of them injured, damaged
or disturbed because of his work shall be repaired,
replaced or cleaned by him at his expense.
XWII.GUARANTEE:
A. SHRUBS: All shrubs shall be guaranteed as to growth
and health for a period of ninety days after
completion of the specified maintenance period and/or
final acceptance by the Owner.
B. TREES., Trees shall be guaranteed to live and grow in
acceptable upright position for one year after the
specified maintenance period and/or final acceptance
by the Owner. The owner must provide adequate
maintenance to insure the extended guarantee on trees.
C. DEFINITION OF DEATH: Plants which die or lose more
than 309 of their original leaves shall be replaced.
D. REPLACEMENT., The Contractor within seven (7) days of
written notification by the Owner shall remove and
replace all guaranteed plant materials which, for any
reason, fail to meet the requirements of this
guarantee. Replacement shall be made with plant
materials as indicated or specified for the first
planting and all such replacement materials shall be
guaranteed as specified for the original guaranteed
material.
XIX. MAINTENANCE
A. MAINTENANCE PERIOD: The maintenance period shall
commence upon the Owner's written approval of all
phases of planting installation and shall be for the
following period:90 DAYS.
B. GENERAL: The general care and maintenance of all
areas shall consist of proper watering, fertilization,
weeding, clean—up to maintain all plants and turf in a
healthy, growing condition and as noted below.
C. GROUND COVER: Ground cover from flats—areas without
overseed — apply a pre—emergent herbicide in
accordance with the manufacturer's printed
instructions.
D. FERTILIZATION: Maintenance work shall include
fertilization with a commercial fertilizer at 30 day
intervals as noted herein. The fertilizer may be
superseded by the soils report and shall be approved
by the Landscape Architect.
E. WEEDING: Any concentrated development of weed growth
that may appear in planting areas during the
maintenance period shall be removed at 10 day
intervals. The Contractor shall remove such
concentrations of weeds manually.
F. GROUND COVER AREAS: Cultivate all non—hydroseeded
ground cover areas at not more than 10 day intervals.
G. SHRUBS AND TREES., All shrubs shall be pinch—pruned as
necessary to encourage new growth. Dead, wilted
flowers and dead foliage shall be continuously
removed. No pruning shall be done to shrubs or trees
without the approval and under the direction of the
Landscape Architect. All wounds over 1-1/2 inches in
diameter shall be sealed with an approved tree seal.
H. TURF AREAS: Edge and mow to a height of 2 inches
whenever the turf reaches a height of 3 inches. Grass
clippings shall be removed off—site.
I. SUBSURFACE DRAINS: All subsurface area drains shall
be periodically flushed with clear water to avoid
bund—up of silt and debris. Keep all drain inlets
clear of leaves, trash and other debris.
J. PROTECTION: During the maintenance period, the
Contractor shall be responsible for maintaining
adequate protection of all planting areas. Any
damaged areas shall be repaired at the Contractors
expense.
K. RE—HYDROSEEDING: The Contractor shall re—hydroseed
all hydroseed areas eroded or non—germinating at the
end of each 30 days of maintenance.
L. IRRIGATION: All irrigation must be operating properly
and adjusted properly for efficient coverage and
minimum oversproy at the end of the maintenance
period.
M. FINAL ACCEPTANCE: Will be given at the end of the
maintenance period for all planted areas once
hydroseed germination and plant establishment has been
obtained and there are no barren areas larger than 3"
x 3". All plants must be in a healthy, growing
condition as approved by the Landscape Architect and
Owner.
YEARSSHOULD CONSTRUCTION OF THE REOUIRED IMPROVEMENTS NOT
COMMENCE W17HIN TWO OF THE DATE OF APPROVAL SHOWN
HEREON AND CARRIED FORTH IN A DILIGENTMANNER, THE CITY
• • • •• .1,90
• ti . . • -i•ti --
N. CONDITION OF SITE: During the maintenance period,
keep the project neat and free from debris at all
times. Obtain the Owners approval for onsite storage
of equipment or maintenance materials.
XX FINAL CONSTRUCTION INSPECTION AND FINAL
MAINTENANCE INSPECTION:
A. FINAL CONSTRUCTION INSPECTION: When oil landscape
improvements have been installed in accordance with
the plans and specifications the Contractor shall
notify the Landscape Architect and request a "Final
Construction" inspection. If the Landscape Architect
determines the work to be substantially complete and
in conformance with plans and specifications, the
Contractor will be advised that the basic maintenance
period is started.
1. In order to be substantially complete, at least
the following must have been finished:
a. All fine grading, including elimination of
low points that hold runoff.
b. A complete and operable irrigation system.
C. Installation of all plant materials.
d. Seeding of all seeded areas.
2. Minor pick—up items may be completed during the
basic maintenance period such as:
a. Resodding of bare spots in lawn.
b. Replacement of damages or non—conforming
plant material.
C. Re—staking or tying of trees.
d. Lowering of sprinkler heads to grade after
turf has established.
f. Replacement of unauthorized substitutions.
B. FINAL MAINTENANCE INSPECTION: At the end of
maintenance period and when ground covers and turf
have established and all pick—up items have been
completed, the Contractor shall request a final
maintenance inspection. The Contractor will be
advised by the Landscape Architect at the final
inspection that work is or is not satisfactory.
1. If the work is satisfactory, the basic
maintenance period will end on the date of the
final inspection.
2. If the work is unsatisfactory the basic
maintenance period will continue at no
additional expense to the Owner until the work
has been completed, inspected and approved by
the Landscape Architect.
C. FAILURE TO PASS INSPECTION: If work fails to pass
final inspection, any subsequent inspections must be
rescheduled as per above, and will be charged to the
Contractor at the prevailing hourly rate of the
Landscape Architect.
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LANDSCAPE
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