HomeMy WebLinkAbout2135-l-3LANDSCAPE SPECIFICATIONS
I. GENERAL CONDITIONS
1. Contract Documents: consist of Specifications and
. its General Conditions, and the draHrings. The in-
. tent of these documents is to include all labor,
materials, appliances, and services necessary for
the proper.execution of the work. The documents
are to be considered as ane, and whatever is called.
for by any part shall be as binding as if called
fo*r by al 1 parts,. Porti ons of .the drawings which
are diagramatic in nature, (as sprinkler plans)
shall be followed according to good construction .
practices. - .
2. Verification: The Contractor shall verify measure -
meats on the drawings before beginning work. In
case of error or discrepancy in the drawings or
specifications or in -the work of others affecting
his work, he shall notify the Landscape Architect
immediately. The Contractor shall be held respon-
sible for any damages or less due to his failure
to observe these instructions. .
3. Materials, Appliances, Employees: The Contractor '
shall provide and pay for all materials, labor,
tools and other items necessary and incidental.to
completion of his work.
All materials shall be new, and both workmenship
and materials shall be of first class quality.
A11 workmen and sub -.contractors shall be skilled
. in their trades, and adequately insured for lin-
bility, and licensed. All phases of work shall
` � be continuously directed by a capable foreman.
4. Ordinances and Regulations: All local, municipal,
and state laws and rules and regulations governing
or relating to any portion of this work are hereby
incorporated into and made a part of these specif-
ications; and their provisions shall be carried
out by the Contractor. Anything contained in these
specifications shall not be construed to conflict
with any of the above rules and regulations or
requirer�ents of the same. However, when these
specifications and drawings call for or describe
materials,, workmacship, or construction of a better -
quality, higher standard, or larger size than is "
required -by the above rmles and regulations, the
provisions of these specifications and drawings shall
take precedence. The Contractor shall obtain and
pay for all permits and inspections as required by
the City or County.
- .5. Protection of Work: The Contractor shall adequately
protect the work, adjacent property, and the public
and shall be responsible for any damage or injury of
his act, as required by conditions of permit,
' 6. Chan,4es in the Mork: The t?wner may order changes in
the work, the Contract sum .being adjusted accordingly,
. All such orders, and adjustments shall be in writing.
Claims by the Contractor for extras must be made in
� writing before executing the work involved, and must
be approved by the Owner before proceeding, - '
7, Correction of Work:• The Contractor shall re -execute
any work chat fails to conform to the requirements of
the contract, to remedy any defects due to faulty
materials or workmanship according to the terms of
the specifications,
8. Authorit of the Landsca a Architect: The Landscape
Architect sha 1 act as the authorized representative
of the Owner, and have the authority to accept or re-
ject materials or workmanship and to make minor changes
in the work not involving extra cost. He will inter-
pret the meaning of the Contract Documents and may stop
work if necessary to insure its proper execution.
9. Subcontractors: Portions of the work executed by sub-
contractors shall be performed according to the same
- requirements as tie Contractor, including General
Conditions, Specifications, Contract Drawings, and
City requisites.
10.,Underground Utilities: The Contractor shall be res-
ponsible for verifying locations of all existing util- '
ities, and for protection of same. Damages resulting
from his work or that of his subcontractors, shall be
restored to original condition at their own expense.
11. Re airs: In the absence of the Contractor, the Owner
reserves the right to make any emergency repairs re-
quired for protection of the site, the work, or ad-
jacent improvements: costs of such repairs to be
back -charged to the contractor.
12. Unit: The Landscape Contractor who provides the Owner
and Landscape Architect with the acceptable low bid
shall provide the Landscape Architect with unit costs
for irrigation, planting_, square foot calculations and
other information, when requested. All unit casts
shall be directly applicable to the bid figures.
IRRIATIQN SPECIFICATIONS .-
I. SCOPE OF WORK
The Contractor shall provide all labor, tools, mach-
. iner^y, materials, and processes necessary to install
a complete irrigation system as shown on the plans and
or specified herein. I �
II. GENERAL REQUIREMENTS
1. Water Supply: The Contractor shall verify and be fam- .
iliar with the source of water supply to the sprinkler
system as indicated on the drawings.
2. Irrigation Design Review: It is the Contractor's res-
- ponsibility to review irrigation drawings and note any
areas he believes additional heads or valves are re-
quired prior to submitting bid. If no changes are
submitted, Contractor is responsible for full coverage
of the sprinkler system and to provide any additional .
equipment as necessary at the Contractor's expense.
- 3. Diagrammatic Design: All pipe valves, etc., shown ,
• within paved areas are for design clarification only
and shall be installed in planting areas where poss-
ible. .
4. Material Installation: All materials shall be in in-
stalled in accordance with the methods, techniques and
specifications set forth by each respective manufact-
urer. A11 pertinent descriptive literature issued by
these manufacturers become part of these specifications
after having been approved by the Owner's authorized
representative. Such installation practices shall be
followed only if the directions of the sprinkler draw-
ings and specifications do not thoroughly and completely
. order the methods or techniques to be followed,
Install all equipment and materials as shown in details.
5. Obstructions/Discrepancies: The irrigation contractor
shall not willfully install the sprinkler system as in-
dicated on drawings when it is obvious in the field that
there are unknown obstructions grade differences and/
or discrepancies in the area dimensions until such
conditions are brought to the attention of the Landscape
Architect.
III. WORK INCLUDED -
The work shall include all material, labor, and equip-
ment necessary to complete the irrigation system as
herien specified. Principal items of work include:
1, Blackflow prevention units and connections to
domestic main lines.
2. PVC main lines from points of connection to
. valves designated.
3. Trenching and backfilling far sprinkler system.
4. Automatic controllers, valves, 110V wiring,
power source connections, law voltage wiring
and connections in accordance with local codes
and manufacturer's recommendations.
5. Lateral line piping anal fittings, sprinkler
heads, swing joints.
6. Tests, inspections, and final inspections.
7. Record (as built} drawings.
8. Clean up and disposal.
9. Guarantee. •
IV. MATERIALS, MATERIALS LIST, AND SAMPLES
All materials and equipment to be installed shall be
-new and the best of their respective kinds. The Con-
tractor shall submit a complete list of materials. to
the Landscape Architect for approval upon request.
Submit such samples and catalog data as the Landscape
Architect may direct.
1. Plastic piµe shall be of the classes, types, and
. sizes indicated on the plan.
2. PVC plastic fittings shall be heavy pattern, sched-
ul e 40, and of the same PVC type as the .pipe.
3. PVC solvent shall be as recommended by the Fipe '
manufacturer for use with his pipe.
4. Automatic remote control valves shall be installed
in a valve box as indicated on the plan.
. 5. Vacuum breakers (backflow preventers) shall be as
..1 indicated on the plan.
N�T�aM• NO. 16GA•3GX42 .
0 ' -
IU. PIATERIALS, MATERIALS LIST,AND SAMPLES (CONTINUED)
6. Sprinkler heads shall be as indicated on
the plan.
7. Automatic controllers shall be as indicated on
the plan.
- 8, "Electric wire shall be as noted on plan.
9. Wiring under paving shall be pulled through
PVC plastic sleeves or electric conduit.
V. RECORD DRAWINGS (AS-BUILTS.)
The Contractor shall keep a current and continuous
record of all changes that may occur and shall del-
iver a clear and legible set of record drawings to
the Construction Inspector proir to the final accept-
ance of the work. Two sets of prints an white back-
ground and one set of sepia transparencies will be
furnished by the Landscape Architect upon request far
this purpose. Qne set may be used for field nota-
tions and the second set shall be kept in the Const-
ruction office for the record: These drawings shall
show dimensional locations of buried pipe and valves,
notations in the routing of the pipe, etc. All mea-
surments -shall be made prior -to backfilling and shall
be taken from permanent above grade points. All in-
formation on the prints shall be transferred to the
sepia transparencies and given to the Landscape Arch-
itect at the completion of the Contract.
Vi. INSTALLATION
1. Excavation:
A. Contractor shall verify exact location of all
existing subsurface utilities (Mechanical and
Electrical} prior to excavation. Any utilities,
A.C. Paving, concrete work, etc., destroyed or
damaged by any work under this. contract shall be
repaired or replaced at the Contractor's expense.
B. Trenches for pipe shall be cut to required grade
line at a,true gradient to provide uniform support .
for the ful l 1 ength of pipe.
C. Depth of trenches shall be sufficient to provide
a minimum cover above the top of the -pipe as -
follows: -
l. 18" over pressure main line and control wires.
2, 12" over non pressure lateral lines.
2. JOINING PIPE:
A, The Contractor is responsible to be familiar with
the methods of�assembling, joining, and installing
the various types of pipe to be used. He will
adhere in strict accordance with the manufacturers
recommended procedures.
B, No PVC pipe shall be threaded and all transition
from PVC to -metal piping shall be by PVC male,
thread adaptor fitting. -
3. BACKFLOW PREVENTER:
A. The prevention device specified herein shall be
verified with Local Plumbing and Health Codes.
In event of any confliction on device approval
the Landscape Architect shall be notified Prior
To Bid Opening.
4. TESTS:
A, Ail main lines in the system shall be capped and
pressure tested at i psi.
B. Pressure shall be sustained in the lines for not
less than (�, hours. If leaks develops the joints
shall be replaced and the test repeated until the
entire system is watertight.
C. Tests shall be observed and approved by Owner's
representative prior to backfill.
D. When the sprinkler system is completed the Con-
tractor in the presence of the Owner's represt-
ative, shall perform a test coverage of water aff-
orded the lawn and planting areas complete and ad-
equate. The. Contractor sha) l furnish al l mater-
ials and perform all work required to correct any
inadequacies of coverage disclosed (See Item II -2) -
E. The Contractor shall Inform the'Owner's represent-
ative of any deviation from the plan required to
wind, planting, soil or site conditions that bear
on present coverage.
5. SPRINKLER HEAD INSTALLATION:
Unless specifically detailed or dimensioned an the
drawings otherwise:
A. Shrubbery or groundcover spray heads adjacent -to
curbs or walks shall be installed 6" away from the
curb or walk and _the nozzle shall be 6" above fin-
ished grade.
B. Shrubbery spray fiends adjacent to buildings, -
fences, or similar structures shall. be installed
six inches away from the structure and the nozzle
shall be six inches above finished grade. Shrubb-
ery spray heads not near paving or structures
shall be set six inches above finish grade.
C. All sprinkler heads adjacent to paving to have
swing joints.
6. SPRINKLER HEAD ADJUSTMENTS:
A. The irrigation contractor shall flush and adjust
all sprinkler heads for optimum performance and
to prevent overspray onto walks and buildings as -
much as possible. This shall include selecting
the best degree of arc to_fit existing site
conditions.
7. CLOSING IN UNINSPECTED WORK:
Contractor shall not allow or cause any of his work
to be covered or enclosed until it has been inspect-
ed, tested and approved by authorized representative .
of Owner. Shuuld any of his work be enclosed or -
covered before such inspection and test, he shall
uncover work at his ov�rn expense and after it has
been inspected, tested and approved, shall make all
repairs with like materials necessary to restore
all his work and that of other Contractors to its
original condition.
8, BACKFILLING
A. Bac fill shall not be placed until the installed
sprinkler system has been inspected and approved
by the Owner's representative.
B. Trenches shall be backfilled with a minimum of 4"
of fine, granular materials to protect the pipe
from the clods or rocks of the remaining excavated
dirt to be used as backfill. The Contractor shall
not place detrimental subsoil in the top 6" of
backfi 11.
C. If settlement occurs and adjustments in pipes, "
valves, sprinkler heads or sod is necessary to
bring the system to proper working order, the
Contractor shall, as a part of the work under this
contract make all the necessary adjustments with-
out extra cost to the Owner.
9, AUTOMATIC CONTROLLER:
A. 120 volt -electrical power outlet to controller
shall be provided by others. Irrigation con-
tractor shall be responsible for making hook-up
from outlet to controller.
B. A11 wire from controller to electric control
valves shall be U.F, #14-600 volt direct buriel.\,
Use black for pilot, white for common. Install
in common trench with main line pipe where poss-
ible. Provide minimum 18" cover.
C. Wire connections shall be made with "Scotch -Lok"
wire connector sealing packs #3576 or�approved
equal.
D. There shall be a control wire from each control
valve running to the controller, and each control
valve shall be connected to the common ground.
(Ail valves in manifold shall be manifolded at the
controller.)
E. All electrical work shall comply with applicable
codes.
VII. GUARANTEE .
1, The Contractor shall guarantee the entire system
against all defects and faults of materials and
workmanship, and shall maintain the systems in
perfect working order for one year from the date of
completion by the Contractor without cost to the
Owner.
2. After the system has been completed and the connec-
tions made the Contractor shall instruct the Own-
er or his reprQsentative, iri the operation and
maintenance of the system.
r
PLANTING SPECI>'ICATIONS (CONT-INUED)
VIII. PROTECTION (CONTINUED)
2. The Contractor Shd11 Be Held Responsible: for the
care and preservation of all existing buildings
" � and structures on property and adjacent premises.
Any part of them injured, damaged or disturbed .
r�ecause of his work shall be repaired, replaced
or cleaned by him at his expense.
XiV. REPLACEr�ENTS I .
1. Contractor Shall Immediate) Re lace: any and
all p ant 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 same manner as specified for the original
planting. ..
XV. CLEAN-UP _
1. 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 through-
out the site. Contractor shall pick up all trash -
resulting from -this work no less than each
Friday befor"e leaving the site, once a week and/ . .
or the last working day each week. All trash
shall be removed completely from the,site.
2. Excess To soil: shall be removed from the site.
3. Sidewa ks and Streets: are to left in a neat
and clean condition at the end of each working
day. .
4. Remove All Tags: labels, nursery stakes and ties
from all plants unless otherwise directed. -
XVI. GUARANTEE _ "
1. All shrubs shall be guaranteed as to growth and -
health fora period of ninety days after com-
pletion of the specified maintenance period and/ -
or final acceptance by the Owner.
2. gees shall be guaranteed tQ live and grow in
acceptable upright position for six months after
specified maintenance period andJor final accept -
once by the Owner. Owner must provide adequate .
maintenance to insure the extended guarantee on
trees,
- 3. Plants which die or lose more than 30�of their
original leaves shall be replaced.
4. The Contractor, within fifteen (15) days of
written notification by the Owner shall remove
and replace ail guaranteed plant materials .
which, for any reason, fail to meet the requirement .
of this guarantee. Replacement shall be made
with plant materials as indicated or specified
for the first planting, and al] such replacement
materials shall bP guaranteed as specified for the
original.
XVII. 1�1AINTENANCE -
1. After all work indicated on the drawings or herein
specifiE�d has been completed, inspected, and approved
by the Owrier or his representative, the Contractor
shall maintain all planted areas by means of continuous
watering, weeding, rolling, m*,wing, reseeding,
edging and/or any other operations necessary for their
care and upkeep for a period of not less than
sixty (60) days. At the end of the maintenance
• period, all plant materials shall be in a healthy,
growing condition. .
2. All planted areas shall receive a fertilizer
application of 20 pounds per 1,000 square feet .
of GRO-POWER 58 days fol l ovri ng beginning of
maintenance. Water in thoroughly after .
application. .
XVIII. FINAL INSPECTION •
1. Final inspection of fawns and planting will be
made at conclusion of maintenance of lawns in
the case of seed lawn and at completion in the
case of sod lawn. Request for inspection must "
be made at least 3 days prior tv the anticipated .
. date. For this inspection the site must be
thoroughly cleaned up and all debris and excess
material removed.
2. If work fails to pass final inspection, any sub-
sequent inspections must be rescheduled as per
above, and will be charged to Contractor.
XIX. CERTIFICATION
Prior to the job acceptance, written certification
shall be submitted to the Owner and Landscape
Architect for the following items:
1. Quantity of commercial fertilizer and organic
fertilizer.
2. Quantity of all specified soil amendments.
-3. Quantity•of seed,
4, Quantity of commercial fertilizer used during
contract maintenance period,
Inspections
1. After installation, an inspection of the irrigation system
shall be made by the Parks Department of all points of connection, backflow
protection devices, mainlines, electrical connections and control valves.
Contact the Parks Department to arrange inspection at least 48 hours in
advande of the desired inspection.
2. Prior to the maintenance period commencing, as inspection of
the coanpleted landscape installation shall be arranged. It is the contrac-
tors responsibility to inform the Parks Department of completion of the
work. This inspection will include: -
a. An irrigation coverage test and compliance with item (Z)
above.
b. Compliance to approved landscape pleas
c. Plantings including street trees. Contact Parks Dept. for
species and locations.
d. Any.special conditions of approval attached to project.
e. .Certification by a landscape architect or approved
landscaper that all landscaping and irrigation was
installed according to specifications and city requirements.
The owner's representative and landscape contractor must be
present at this inspection.
-
Maintenance guidelines
Landscaping shall be maintained in a neat, clean, and healthy
condition. This shall include, but not be limited to:
Z. Cultivation of planted beds at intervals (not to exceed ten
(10) days.) .
2. Regular mowing to naiatain a lava height not -to exceed 2 inches
(will vary with species)•
3. Regular pruning of plants as necessary to control and direct
- growth.
4. Scheduled maintenance of irrigation controller to assure proper .
application rate of nater necessary for proper plant growth.
S. Immediate replacement of plant materials as needed due to death
or lack of growth.
6. Fertilization on a regular schedule as recommended by the manu-
facturer to grovide proper pleat growth.
1. Regair or reglacement of irrigation system components as needed
to maintain good working condition.
- 8. Stakes, guys and ties on trees shall be checked regularly for
correct function. Ties are to be adjusted to avoid abrasions or
girdling of trunks ar branches.
9. Upon completion, and periodically during the one (1) year main-
, tenance period inspections shall be made by the Parks Department staff. If
the landscape has been maintained satisfactorily in accordance with the
landscape maintenance standards, maintenance bonding held on the project
shall be released at the end of this period.-
\
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REVISIONS BY
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PLANTING SPECIFICATIONS
..
I. SCOPE OF WORK c:
VII. FINISH GRADING (CONTINUED}
Furnish all labor, materials, and equipment necessary
elevations. .
to provide and install plant materials as shown on
4.
Soil Areas Adjacent to Buildin s: shall slope away
the drawings or as specified herein.
rom the bui dings at 1% minimum,
II, VERIFICATION OF SITE CONDITIONS
5.
Rock or Clods: over 1" in diameter shall'be on top
1.
Contractor Is- Responsible For Verifying: The location
of prepared planting bed. .
.
of all utility lines and -other underground obstruc-
6.
Planting Beds: shall be raked smooth and put in first -
tions so that proper precautions maybe taken not to
class condition before acceptance by Landscape Architect.
disturb or damage such improvements. In the event
of a conflict between such lines and plant loco-
VIII, SHRUB AND TREE PLANTING
.tions, the Contractor shall promptly notify the
1•
Correlation: Trees and shrubs shall not be planted until
Landscape Architect, who shall arrange for, the re-
-
all operations in conjunction with the installation of
location of one or the other. Failing to follow
the sprinkler system has been completed, final grades have
this procedure, the Contractor shall at his own-
been established, and the lantin beds rl erl re-
expense make any and all repairs for damages result-
pared. by cultivation and fertilization ap coveredpin
ing from his work.
these specifications. '
2.
Rernove Rock Or Other Under round Obstructions:
2.
Plantin�Time: No planting shall take place during
except utility lines or of project install-
extremely hot, dry, windy or freezing weather,
_portions
allation) to depths necessary to permit proper in-
3.
Locations: Relative position of all plants and trees is
stallation of planting, unless other locations for
subject to approval of the Landscape Architect, and
interfering elements are ordered.
.they shall, if necessary, be relocated at his direction,
3.
Dimensions: All scaled d�'mensions are approximate.
as art of this Contract.
p
Before proceeding with anY work, the Contractor shall
4.
Distribution: No more plants shall be distributed about
.
carefully check and verify all dimensions and quant-
the andscape area than can be planted and watered on
sties, and shall immediately inform the Landscape
the same da y• �
I�rchitect of any discrepancy between the information
5.
.
Container Removal: Plant containers shall be removed.
from doing any work in said areas until given approval
Cans shall be split on both sides. An axe or spade
to do so by the Landscape Architect. �
shall not be used, All containers shall be removed from
4.
Sub -surface Drainage Or Soil Conditions: Should
the site.
subsurface drainage or soil conditions be encountered
6.
�
Plantin Pits.: All tree and shrub its shall have a
,� p
which would be detrimental to growth or survival of
diameter of at least twice the diameter of the root.
plant material, the Contractor shall notify the Land-
Pit depths shall be 1�2" deeper than the root ball for
.
scope Architect in writing, stating the condtions
trees and 8" dee er than the root ball for shrubs.
p
and submitting a proposal covering cost of correc-
7.
Placin : Plants shall be placed and held during back-. ;
tion. If the Contractor fails to notify the Land-
fil in an upright position 'in the center of the pit.
scope Architect of such conditions, he shall be res-
Plants shall be held at, or slightly above nursery
-
ponsible for plant material under the guarantee
level. The earth bail shall be kept intact. Any ex -
clause of the specification.
posed roots shall be spread, Injured roots shall be
III. MATERIALS
pruned.
1.
Sail Amendments: � �
8.
Backfill: Plant pit backfilling soil shall consist of
A. Redwood sawdust shall be free of shavings or
1 part Nitrohumus - 2 parts topsoil. Materials shall be
particles of other �voods such as pine or fir,
thoroughly mixed before placement. In addition to
j
supplied in bulk and ,5% nitrogen stabilized fir
backfill commercial fertilizer 20-10-5 Agriform 21 gram
or redwood bark ground to 0-1/4 particle size,
tablets shall be added to plant pits at the following
.7% nitrogen stabilized, �
rates:
.
B. Soil sulfur of standard commercial grade.
1 Tablet per 1 gallon Plant
C. Gypsum of standard agricultural grade.
3 Tablets per 5 gallon Plant .
D. Humus-"GRO-POWER" 5-3-1 as supplied by Southern
-
4 Tablets per 15 gallon Plant .
.
California Organic Fertilizer Company.
1 tablet per 1/2: Caliper Tree Trunk
E. -Peat moss of commercial nursery grade. -.
For specimen plants larger than 15 gallon.
2.
Top Soil:
9.
Watering: When the pit has been backfilled to three -
.
A. Topsoil shall consist of a fertile, friable natural
quarters of its depth, waters:ia-1l be poured about the
loam, of uniform quality, free from subsoil, hard
roots. Air pockets shall be eliminated and backfill
clods, stiff clay, hard pan, sods, partially
continued until the backfill is brought to the grade
.
disintegrated debris, or any other undesirable
level. .
.
material.
10,
Compacting: Backfill shall be uncompacted around the _
B. Topsoil shall not contain obnoxious weeds, such
roots or ball of the plant during or after planting.
as morning glory, sore), oxalis, spurge, annual
The backfill on which the plant ball rests shall be
bluegrass, nut grass, or Bermuda grass.
lightly compacted.
3.
Plant Materials:
11,
Settlement: Plants which settle shall be raised to the
A. Plant names used in the -Plant List conform to
required level or replaced at the option of Contractor.
"Standardized Plant Names" by American Joint
Raised plants which fail to grow shall be replaced.
Committee on Horticultural Nomenclature, except
12.
Stakin Stakes shall be driven to sufficient depth
in cases not covered therein. In these instances
to hold tree rigid, Tree shall be supported by at least _
the established cu"s tom of the nursery trade is
two ties. -
13,
Prunin Limbs, branches, canes and runners which re airs
B, Plantseshall be sound health vi orous free
' y' g
trimming shall be removed to leave a clean cut flush with
from'disease, insect pests or their eggs and shall -
trunk of adjacent asphaltic tree plant.
_
have healthy, normal root systems, well filling
14.
Planting Beds: Planting beds shall be edged and cultivated
their containers, but not to the point of being
to the line shown. Beds shall be brought to a smooth
root bound.
- I
even surface conforming to established grades after full
C. Plants shall not be pruned prior to delivery
settlement has occurred.
.
except a5 authorized by the Landscape Architect.
IX. GROUND CaVER AREAS .
In no case shall trees be topped before delivery.
1.
Refer to Paragraphs VI, VII, VIII, for soil preparation,
D. All plant material shall be subject to approval
finish grading and weed control.
of size, health, quality, character, etc., by
2.
Areas Shall be Raked: and floated smooth to provide
the Landscape Architect.
a true and uniform surface.
E. The height and spread of all plant material
3.
Soil Preparation: as er these s ecifica tions.
P P
shall be measured with branches i.n their normal
4.
Planting Pits: for ground covers shall be 4" x 4", or
position.
adequate to accept material from flats without crushing
F. The caliper of all trees shall be measured 4"
or deforming the root ball.
above the surface of the ground.
5.
Plant at Spacings: -and in areas indicated on the drawings.
G. Where caliper or other dimensions of any plant
Soil shall be firmly pressed around each plant, and the
materials are omitted from the plant list, it
excess soil removed from .the crown.
shall be understood that these plant materials
6.
Watering: Each section of ground cover shall be immediately
shall be normal stock for type listed,
watered upon completion of planting.
H. Plant material shall be symmetrical, typical
X. SOD
LAWN MATERIALS
for variety and species, and shall conform
1,
Sod: shall be #1 Grade, machine cut ata uniform thickness
to measurements specified in the plant list.
of 5/8" excluding top growth and thatch, weed free and
I. Plant material larger than those specified may
shall be no less than eight (8} months nor more than
be supplied if complying in all other respects,
sixteen months old,
and at no additional cost to the Owner, upon
2.
Installation: shall take place from within 24 hours after
approval of the Landscape Architect.
harvesting.
J. All plant materials must have been previously
XI. SOD
LAWN PLANTING (IF APPLICABLE)
inspected at the nursery by the County�Hort-
1.
Refer to Paragraphs VI, VII, VIII, for soil preparation,
icultural Department, and shall be subject to
finish grading and weed control.
acceptance as to quality by the Landscape
2.
Sod Area Prior T� Planting: shall be rolled li htl and
9 y
Architect.
watered to a depth of 6" the day prior to planting. If
K. Substitutions will be permitted only'as in-
any air pockets are found the area should be regraded as
dicated, or if proof is submitted that any
necessary. Lightly water the area to be planted just
plant specified is not available a proposal
prior to planting.
will be considered for the use of the nearest
3.
Sod Shall Be Laid in a Staggered Pattern: tight joints
equivalent size or variety with an equitable
and in the same direction each time. On all slopes sod
'
adjustment of the contract price.
shall be instal led from the bottom up and the newly laid
L. Quantities given in the plant list on the
sod should be protected by walking on boards as installer
drawings are for the convenience of the con-
moves upward. On slopes pin the sod down with wooden pegs .
tractors only. Quantities shown on the plan
no metal staples will be allowed. No sod of less than
are the final authority and shall be furnished
18" in length will be allowed. .
and installed as shown.
4.
Upon Installation: of a sizeable portion of sod it should
4.
Lawn Materials -Seed Lawn:
be immediately watered. On hot days this is approximately
A. Seed shall be clean, fresh, new crop seed and
30 minutes of ter laying.
shall be of mixture as noted in the General
5.
After Install tion: it must be kept thoroughly watered to.
Notes on the Planting Plan.
a depth of 6". No foot traffic should be allowed for 2 to
B. Seed shall be mixed by a dealer and furnished
3 weeks from the date of installation.
with the dealer's guaranteed statement of
XII. HYDRO -MULCHING
composition and percentage of purity which
1.
Weed Control: Water and fertilize all areas two weeks with
shall be furnished to the Landscape Architect.
sprinkler system to germinate weed seeds. Apply contact
-
5.
Stakes:
herbicide to weeds.
A. All stakes shall be treated Lodgepole Pine 3"
2.
Water all areas again for two weeks to germinate more weeds.
diameter.
Apply contact herbicide to kill weeds and then scarify
B, Length as noted on plan.
sloped to remove bulk of Yreeds and expose soil to attain
IV. OBSTRUCTION BELOW GROUND
proper hy�rroseed mulch adhesion.
1.
Contractor is Responsible: for verifying the ioc-
3.
Fertilizer: The fertilizer shall be in pellet or granular
ation of all utility lines and other underground
form and shall comply with the chemical analysis specified,
obstructions so that proper precaution may be
The fertilizershall be thoroughly mixed and incorporated in
taken not to disturb or damage such improvements.
the Hydro -mulching slurry. Apply at the rate of 300 lbs.
In the event of a conflict between such lines
per acre 16-8-8 + iron or 17-13-5 + iron, slow release .
and plant locations, the Contractor shall promptly
fertilizer, 1000 lbs..per acre of GRO-POWER organic fertil-
notify the Landscape Architect, who shall arrange
izer and 100 lbs. per acre of 31-0-0 I.B.D.O. fertilizer.
for the relocation of one or the other. Failing
4,
Wood Fiber: The Hydro -mulch mix shall include cellulose
to follow this procedure, the Contractor shall at
mulching fiber. The fiber shall be mixed in the hydroseeder
his own expense make any and all repairs for
with water, fertilizer, binder and seed and applied at the
`lbs.
damages resulting from his -work.
rate of 1500 (dry weight} per acre for lawns and slopes
2.
Remove Rock or Other Under round Obstructions:
of 3:1 or flatter and 2000 lbs. (dry weight) per acre for
except utility lines or portions of profect in-
slopes steeper than 3:1. '
stallation) to depths necessary to permit proper
5.
Erosion Control Chemical: Use Terra -Tac #8 at the rate of
installation of planting, unless other locations
50 lbs. per acre. The chemical is to be mixed in the Hydro -
for interfering elements are ordered.
seeding slurry. This chimical stabilant is to stabilize the
V. SOIL PREPARATION
soil particles and tack the seed, fiber, fertilizer and soil
1.
Soil Areas That Compacted: during site prep-
together thus minimizing erosion.
.Are
aration-should be ripped to a minimum of 12" prior
6.
Moisture Retention Additive: Use CPA -1200 Humectant at the
to beginning soil preparation.
rate of 50 lbs. per acre. Incorporate chemical in the Hydro -
2.
Soil Preparation Materials: should be broadcast
seeding slurry. This chemical helps improve the water
uniformly over all landscape areas and worked to
holding, capacity with resultant increase in germination.
a depth of 6" by a rototiller or other acceptable
Note: Fertilizers, chemicals and application rates are sub -
mechanical means to obtain a uniform blend to
jest to modification due to imput from soils analysis and
the soil. For the soil amendment mix refer to
site conditions.
the Planting Notes on the Planting Plan.
7.
Application: The operator shall apply tree seeds to slopes
3.
Extraneous Material: in addition to the work
in drifts using only water, seeds and an indicator dye.
sped �e a one the contractor shall remove all
This shall be accomplished immediately prior to regular .
extraneous material that is exposed on the surface,
hydroseed mulch application. The operator shall spray the
and grading to facilitate run-off of surface water.
sloped with a uniform, visible coat by using the green color
VI. WEED CONTRQL
of the wood pulp as a guide. The slurry shall be applied
1.
Germinate And Destroy: all existing weed seeds
in'a sweeping motion, in an arched stream so as to fall like
.b fe ore preparing areas for planting. Sufficient
rain allowing the wood fibers to build on each other until
water shall be applied to cause weed seed to sprout.
a good coat. is achieved and the material is spread at the
Young weeds shall then be destroyed by use of Rot-
required rate per acre.
otilier, before they have opportunity to set seed.
8.
Reseeding: A11 bare spots shall be reseeded by the Contractor
2.
Additional Weed Killing: refer to Planting Notes
within 60 days providing the lack of cover growth caused by
on the Planting Plan. -
excessive watering by the Contractor,
VII. FINISH
GRADING
9.
Refertilizing: All hydroseeded areas shall be refertiiized
1.
Till: all planting areas as herein specified.
30 days after installation by the Contractor with same
• 2.
Floating: after tilling, all areas shall be brought
fertilizer types and amounts as used in the original app -
to uniform grade by floating or hand raking.
lication. -
3.
Finish Grade of Planting -Areas: after application
XIII. PROTECTION .
of soil amendments shall be 1-1/2" below top of con-
1.
At A11 Times Darin Construction: adequate protection shall' .
Crete walks and curb grades or as noted by spot
be provided for all p ante areas against damage of any kind,
.
until final acceptance by the Engineer,
y.
r
PLANTING SPECI>'ICATIONS (CONT-INUED)
VIII. PROTECTION (CONTINUED)
2. The Contractor Shd11 Be Held Responsible: for the
care and preservation of all existing buildings
" � and structures on property and adjacent premises.
Any part of them injured, damaged or disturbed .
r�ecause of his work shall be repaired, replaced
or cleaned by him at his expense.
XiV. REPLACEr�ENTS I .
1. Contractor Shall Immediate) Re lace: any and
all p ant 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 same manner as specified for the original
planting. ..
XV. CLEAN-UP _
1. 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 through-
out the site. Contractor shall pick up all trash -
resulting from -this work no less than each
Friday befor"e leaving the site, once a week and/ . .
or the last working day each week. All trash
shall be removed completely from the,site.
2. Excess To soil: shall be removed from the site.
3. Sidewa ks and Streets: are to left in a neat
and clean condition at the end of each working
day. .
4. Remove All Tags: labels, nursery stakes and ties
from all plants unless otherwise directed. -
XVI. GUARANTEE _ "
1. All shrubs shall be guaranteed as to growth and -
health fora period of ninety days after com-
pletion of the specified maintenance period and/ -
or final acceptance by the Owner.
2. gees shall be guaranteed tQ live and grow in
acceptable upright position for six months after
specified maintenance period andJor final accept -
once by the Owner. Owner must provide adequate .
maintenance to insure the extended guarantee on
trees,
- 3. Plants which die or lose more than 30�of their
original leaves shall be replaced.
4. The Contractor, within fifteen (15) days of
written notification by the Owner shall remove
and replace ail guaranteed plant materials .
which, for any reason, fail to meet the requirement .
of this guarantee. Replacement shall be made
with plant materials as indicated or specified
for the first planting, and al] such replacement
materials shall bP guaranteed as specified for the
original.
XVII. 1�1AINTENANCE -
1. After all work indicated on the drawings or herein
specifiE�d has been completed, inspected, and approved
by the Owrier or his representative, the Contractor
shall maintain all planted areas by means of continuous
watering, weeding, rolling, m*,wing, reseeding,
edging and/or any other operations necessary for their
care and upkeep for a period of not less than
sixty (60) days. At the end of the maintenance
• period, all plant materials shall be in a healthy,
growing condition. .
2. All planted areas shall receive a fertilizer
application of 20 pounds per 1,000 square feet .
of GRO-POWER 58 days fol l ovri ng beginning of
maintenance. Water in thoroughly after .
application. .
XVIII. FINAL INSPECTION •
1. Final inspection of fawns and planting will be
made at conclusion of maintenance of lawns in
the case of seed lawn and at completion in the
case of sod lawn. Request for inspection must "
be made at least 3 days prior tv the anticipated .
. date. For this inspection the site must be
thoroughly cleaned up and all debris and excess
material removed.
2. If work fails to pass final inspection, any sub-
sequent inspections must be rescheduled as per
above, and will be charged to Contractor.
XIX. CERTIFICATION
Prior to the job acceptance, written certification
shall be submitted to the Owner and Landscape
Architect for the following items:
1. Quantity of commercial fertilizer and organic
fertilizer.
2. Quantity of all specified soil amendments.
-3. Quantity•of seed,
4, Quantity of commercial fertilizer used during
contract maintenance period,
Inspections
1. After installation, an inspection of the irrigation system
shall be made by the Parks Department of all points of connection, backflow
protection devices, mainlines, electrical connections and control valves.
Contact the Parks Department to arrange inspection at least 48 hours in
advande of the desired inspection.
2. Prior to the maintenance period commencing, as inspection of
the coanpleted landscape installation shall be arranged. It is the contrac-
tors responsibility to inform the Parks Department of completion of the
work. This inspection will include: -
a. An irrigation coverage test and compliance with item (Z)
above.
b. Compliance to approved landscape pleas
c. Plantings including street trees. Contact Parks Dept. for
species and locations.
d. Any.special conditions of approval attached to project.
e. .Certification by a landscape architect or approved
landscaper that all landscaping and irrigation was
installed according to specifications and city requirements.
The owner's representative and landscape contractor must be
present at this inspection.
-
Maintenance guidelines
Landscaping shall be maintained in a neat, clean, and healthy
condition. This shall include, but not be limited to:
Z. Cultivation of planted beds at intervals (not to exceed ten
(10) days.) .
2. Regular mowing to naiatain a lava height not -to exceed 2 inches
(will vary with species)•
3. Regular pruning of plants as necessary to control and direct
- growth.
4. Scheduled maintenance of irrigation controller to assure proper .
application rate of nater necessary for proper plant growth.
S. Immediate replacement of plant materials as needed due to death
or lack of growth.
6. Fertilization on a regular schedule as recommended by the manu-
facturer to grovide proper pleat growth.
1. Regair or reglacement of irrigation system components as needed
to maintain good working condition.
- 8. Stakes, guys and ties on trees shall be checked regularly for
correct function. Ties are to be adjusted to avoid abrasions or
girdling of trunks ar branches.
9. Upon completion, and periodically during the one (1) year main-
, tenance period inspections shall be made by the Parks Department staff. If
the landscape has been maintained satisfactorily in accordance with the
landscape maintenance standards, maintenance bonding held on the project
shall be released at the end of this period.-
\
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REVISIONS BY
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