HomeMy WebLinkAbout3156-16LANDSCAPE IRRIGATION SYSTEM
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PART 1 - GENERAL
1.01
Refer to standard contract documents for non-technical contractual requirements and conditions,
1.02 SCOPE OF WORK:
Furnish labor, materials, equipment, appliances and services necessary for the execution and completion of
"Landscape Irrigation" as indicated on the drawings and/or herein specified.
Materials shall be of first quality and of domestic manufacture unless otherwise noted.
2.01 SUBMISSION FOR APPROVAL:
Furnish the articles, equipment, materials, or processes specified by name on the drawings and in
specifications. No substitutions will be allowed without prior written approval of the Owner's Representative,
A. A complete material list shall be submitted to the Owner's Representative prior to
performing any yvork. Catalog data and full descriptive literature must be submitted
whenever the use of items different than those specified is requested. Notarized
certificates must be submitted by plastic pipe and fitting manufacturer indicating that
material complies with specifications, unless material has been previously approved.
B. The material list shall be submitted using the following layout (double space between each
item):
Item No. Description Manufacturer Model#
1. Pressure Supply Lines Lasco Schedule 40
2� Lawn Head Buckner #404
3. Etc. Etc. Etc.
C. Equipment or materials installed or furnished without the prior approval of the Owner's
Representative may be rejected and such material removed from the site at no expense to
the Owner.
D. Approval of any items, alternates, or substitutes indicates only that product(s) apparently
meet the requirements of the drawings and specifications on the basis of the information
or samples submitted.
E. ManufaCtUrer's warranties shall not relieve liability under the guarantee. Such warranties
shall only supplement the guarantee. The Owner's Representative may, at his option,
require a manufacturer's warranty on any product offered for use,
2.02 GENERAL PIPING
A. Pressure supply line from point of connection through backflow prevention unit shall be
per local code. Pressure supply lines downstream of backflow prevention unit shall be per
thelegend.
B. Non -pressure lines shall be Class 200 PVC pipe.
2.03 PLASTIC PIPE AND FITTINGS
A. All pipe shall be extruded of an improved PVC virgin pipe compound featuring high tensile
strength, high chemical resistance and high impact strength. In terms of the current
ASTM Standard D-1769 or D-2241, this compound shall meet the requirements of cell
classification 12454B for pipe and 13454B for fittings. This compound must have a 2,000
psi hydrostatic design stress rating,
B. All pipe must bear the following markings: Manufacturer's name, nominal pipe size,
schedule or class, pressure rating in P.S.I., and NSF (National Sanitation Foundation).
The manufacturer shall also mark the date of extrusion on the pipe.
C. Solvent cement joints for plastic pipe and fittings shall be made as prescribed by the
manufacturer. The high chemical resistance of the pipe and fitting compounds specified
in the foregoing sections makes it mandatory that an aggressive primer, which is a true
solvent for PVC, be used in conjunction with a solvent cement designed for the fit of the
pipe and the fittings of each size range specified.
D. Each pipe installer expected to make solvent joints shall receive instructions in the proper
assembly of such joints from the representative of either pipe, cement, or fitting
manufacturer before starting the job, unless he has been previously instructed on
recommended solvent cementing procedures by a competent representative of the
manufacturer.
E. All fittings shall be standard weight schedule 40, At the purchaser's discretion, contract
preference may be given those suppliers able to furnish all types of fittings required under
this contract f rom a single manufacturer, in order that responsibility will not be divided in
warranty claim situations.
F. All fittings shall be injection molded of an improved PVC fittings compound featuring high
tensile strength, high chemical resistance, and high impact strength. In terms of the
current ASTM Standard D-1784-69, the compound must meet the requirements described
in cell classification 13454B. Where threads are required in plastic fittings, these shall be
injection molded also, All tees and ells shall be side gated.
G. Apply primer and solvent on all pipe sizes and fittings. Primer solvent on both female and
male ends.
H. All fittings shall bear the company's name or trademark, material designation, size
applicable I.P.S. schedule, and NSF seal of approval,
1. All threaded nipples shall be standard weight Schedule 80, with molded threads.
2.04 PVC CONDUIT/SLEEVING
Pipe that is used for control wires sleeving shall be PVC conduit Schedule 40: Type 1220. All wires under
paving shall be installed in PVC conduit, or sleeves as indicated in details and Legend.
2.05 RING-TITE PVC PIPE
A. All pipe indicated on the working drawings, shall be Class 160 PSI Johns -Manville PVC
pipe with ring-tite joints.
B. All ring-tite joints shall be sealed with rubber rings as provided by the manufacturer. All
pipe joints shall provide for expansion and contraction.
C. Thrust blocks shall be provided as required for proper anchorage and durabWty of the -
tits pipe, (Refer to Details)
2.06 BRASS PIPE AND FITTINGS (if required)
A. Brass pipe shall be 80% red brass, American National Standard Institute (ANSI),
Schedule 40 screwed pipe. Fittings shall be medium brass, screwed 125 pound
2.07 BACKFLOW PREVENTION UNIT:
See plan for type, manufacturer, and size.
2.08 QUICK COUPLING VALVES
A. The body of the valve shall be red brass with a wall thickness guaranteed to
normal working pressure of 150 pounds per square inch without leakage. Valve shall have
a 3/4 -inch female threaded opening at base.
B. Hinge cover shall be red brass with a rubber -like vinyl cover bonded to it in such a manner
that it becomes a permanent -type cover, yellow in color, Hinge shall be locking type.
C. Quick couplers shall be installed as indicated on Plan and Details.
2.09 AUTOMATIC CONTROL VALVES, ELECTRICAL
A. Valve shall be per legend.
B. Valve shall be capable of being operated in the field without electricity at the controller, by
a bleeding valve,
C. Valve shall be completely serviceable in the field without removing valve body from the
line.
D. Valve shall be installed in a shrub area whenever possible and installed according to
construction detail.
2.1 0 GATE VALVES
Approved gate valves shall be Nibco T-1 13 or Hammond 606-32 with bronze turning handles. Size and
location shall be as indicated on Plan,
2.11 VALVE BOXES
All remote control valves, gate valves, subsurface pressure regulators, and pressure relief valves shall be
installed in suitable valve boxes as shown in details, complete with locking covers. All shall be'Christie',
or an approved equal. Install tags.
2.12 AUTOMATIC CONTROLLER
A. The Automatic Sprinkler Controller shall be as noted in the legend.
B. All wiring to and from the controller shall be through color -coded plugs and sockets. The
controller shall be locking, weather-proof type, constructed of heavy gauge steel with
corrosion resistant enamel finish inside and out.
2.13 ELECTRICAL, HIGH VOLTAGE
A. Power to and connection to the automatic controller shall be provided by the Owner.
B. All electrical equipment outside of buildings shall be Nema 3 type, waterproof for
installation.
C. All high voltage work shall be installed under this section. Refer to Wiring, Low Voltage for
additional information.
2.14 WIRING, LOW VOLTAGE
A. Connections between the controller and remote control valves shall be made with
burial AWG -UF type wire, installed in accordance with valve manufacturer's
specifications. Wire color: black or color coded for control, white for ground.
B. Sizing of wire shall be according to manufacturer recommendations, in no case less than
#14 in size, taped at 10' intervals.
2.15 SMALL SHRUBBERY SPRINKLER HEADS
See irrigation plan legend for manufacturer and model numbers.
PART 3 - EXECUTI
3.01 GENERAL
A. Materials shall be of first quality and of domestic manufacturer unless otherwise noted
B. Coordinate the installation of all sprinkler materials, including pipe, with the landscape
drawings, to avoid interfering with the trees, shrubs, or other planting.
C. For purposed of legibility, sprinkler lines are essentially diagrammatic. Although size and
location of sprinkler equipment are drawn to scale whenever possible, make use of all
in all of the contract documents and verify this information at construction site.
D. All work called for on the 'drawings by notes shall be furnished and installed whether or not
specifically mentioned in1k;'specifications.
E. Do not willfully install the sprinkler system as indicated on the drawings when it is obvious
in the field that unknown obstructions or grade differences exist, that might not have been
considered in the engineering or if discrepancies in construction details, legend, or
specific notes are discovered. All such obstructions or discrepancies should be brought
to the attention of the Owner's Representative. In the event this is not done, the
Contractor must assume full responsibility for revisions necessary, Before any work
commences, confer with the Owner's Representative regarding general details of work of
this contract.
3.02 OBSERVATION SCHEDULE
I
A. Contractor will be responsible for notifying the Landscape Architect and Owner's
Representative in advance for the following observations according to the time indicated
-Pre-job Conference - 7 days
*Pressure supply line installation and testing - 36 hours
#System layout - 36 hours Coverage tests - 36 hours
*Final Inspection - 48 hours
B� When observations have been conducted by other than the regular Owner's
Representative, show evidence of when and by whom these observations were
C. No observation will commence without as -built drawings.
3.03 WATER SUPPLY:
Connections to the existing points of connection shall be at the approximate locations shown on the
drawings, Minor changes caused by actual site conditions shall be made without additional cost to the
Owner.
3.04 LAYOUT:
Layout sprinkler heads and make any minor adjustments required due to differences between site and
drawings. Any such deviations in layout shall be within the intent of the original drawings, and without
additional cost to the Owner. Layout shall be approved by the Owner's Representative before installation.
3.05 GRADES:
Before starting work on the sprinkler system, carefully check all grades to determine that work may safely
proceed, keeping within the specified material depths,
3.06 ASSEMBLIES
A. Install the backflow assembly at the height required by local codes.
B. Routing of pressure supply lines as indicated on drawings is diagrammatic. Install lines
(and various assemblies) to conform with details on plans.
C. Install no multiple assemblies on plastic lines. Provide each assembly with its own outlet.
When called for, the pressure relief valve shall be the last assembly.
D. Brass pipe and fittings shall be assembled using Teflon dope, or equivalent, applied to the
male threads only, This is also true of plastic pipe and threaded fittings.
3.07 LINE CLEARANCE:
All lines shall have a minimum clearance of 4 inches from each other, and 6 inches from lines of other trades,
Parallel lines shall not be installed directly over one another.
3.08 TRENCHING
A. Dig trenched and support pipe continuously on bottom of ditch. Lay pipe to an
grade. Trenching excavation shall follow layout indicated on drawings and as noted.
Where lines occur under paved area, these dimensions shall be considered below
subgrade.
B. Provide minimum cover of 18 inches on all pressure supply lines.
C. Provide minimum cover of 18 inches for all control wires. Provide minimum cover of 12
inches for non -pressure lines.
D. Provide minimum cover of 24 inches for all lines under paving.
3.09 BACKFILLING
A. Initial backfill on all lines shall be of a fine granular material with no foreign matter larger
that 1/2 -inch in size, Backfill material shall be approved soil,
B. Backfill material shall be tamped in 4 -inch layers, under the pipe and uniformly on both
sides for the full width of the trench and the full length of the pipe. Materials shall be
sufficiently damp to permit thorough compaction under and on each side of pipe, to
provide support free of voids. Backfill for trenching shall be compacted to dry density
equal to the adjacent undisturbed soil, and shall conform to adjacent grades without dips,
sunken areas, humps, or other irregularities, Under no circumstances shall truck wheels
be used for compacting soil.
C. Provide sand backfill a minimum of 6 inches over and under all piping under paved areas.
3.10 PVC PIPE
A. PVC pipe shall be snaked in a manner which will provide for expansion and contraction as
recommended by the pipe manufacturer installed label up.
S. All plastic to metal joints shall be made with plastic male adaptors, unless otherwise
shown in details.
C. The joints shall be allowed to set at least twenty-four (24) hours before pressure is applied
to the PVC pipe system,
D. Main lines shall be tested in place before backfilling for a period of not less than four (4)
hours and shall shown no leakage or loss of pressure. During the test period, minimum
test pressure, at the highest point of the section being tested, shall be 150 pounds per
square inch. Center filling of pipe lengths is allowed,
E. After all new sprinkler piping and risers are in place and connected, all necessary
has been completed and prior to the installation of sprinkler heads, control valves shall
opened and a full head of water used to flush out the system for a minimum of five (5)
minutes.
F. At the conclusion of a system flushing, the heads shall be installed and tested for
operation in accordance with design requirements under normal operating pressure.
Contractor shall verity head pressures with pitot tube and adjust valve to correspond with
design pressure,
3.11 INSTALLATION OF RING-TITE PVC PIPE
A. Except as may be noted in other parts of the Specifications or on the drawings,
installation of Ring-Tite pipe and connecting fittings shall be outlined in manual
furnished by pipe manufacturer, or as set forth by the Johns-Mansville Company Manual
#772-62A. This shall include, but not be limited to, the installation of the pipe at the
depth and the correct location of concrete thrust blocks of adequate sizes. Contractor
shall make available the services of the manufacturer's representative at the start of the
installation and during construction.
a. Each line shall be tested at a pressure 50 PSI greater than the manufacturer's
recommended working pressure for a period of four (4) hours, with the couplings and
connections exposed and with the center of pipe section sufficiently supported and filled
to hold pipe in place,
3.12 SPRINKLERS
A. All nozzles on sprinklers shall be tightened after installation. All sprinklers having an
adjustment stem shall be adjusted on a lateral line for the proper radius, diameter and/or
gallonage per approval of the Owner's Representative.
B. Sprinkler heads and risers shall be installed according to details for final approval.
C. Spacing of heads shall not exceed the maximum indicated on the drawings. In no case
shall the spacing exceed the maximum recommendation by the manufacturer.
3.13 VALVES
A. Remote control valves shall be adjusted in order that a uniform distribution of water
applied by the sprinkler heads to the planting areas for each individual valve system.
B. Quick coupling valves shall be set approximately 12" from walks, curbs, header boards, or
paved areas where designed. Refer to installation detail, Place quick couplers in valve
boxes.
3.14 VALVE BOXES
A. Valve boxes shall be set one inch (1 ") above the designated finish grade in lawn areas and
three inches (3") above finish grade in ground cover areas.
B. Valve boxes installed near walks, curbs, header boards, and paving shall not abut those
items. Top surfaces shall be flush with, and perpendicular to, items listed above.
C. Valve boxes shall be installed in shrub planters, not in turf areas whenever possible,
unless otherwise approved.
3.15 AUTOMATIC CONTROLLER LOCATION AND INSTALLATION
A. The automatic controller shall be installed at the approximate location shown on the
unless otherwise instructed by the Owner's Representative.
B. All local and other applicable codes shall take precedence in connecting the 1 00 volt
electrical service to the controller. Owner shall provide power to controller. Irrigation
Contractor shall complete hook-up to controller.
C. There shall be adequate coverage of earth (1 8" minimum) over the 24 -volt control wire.
Bundle and tape wires at 10'0.C, and install adjacent to mainline.
3.16 CONTROL WIRE
A. All electrical equipment and wiring shall comply with local and state codes and be installed
by those skilled and licensed in the trade.
B. Connecting and splicing of wire at the valves or in the field shall be made using Rain Bird
Pen-Tite connectors.
C. Three (3') feet long Pig -Tail wire splices shall be allowed only at 1500 ft. intervals. The wire
splices shall be enclosed in an RCV Box with cover stenciled'E8' in yellow.
3.17 BACKIFLOW PREVENTION UNITS
A. The backflow prevention units shall be installed as shown on Plans and Details. Backflow
prevention units shall be installed per local codes including certification.
3.18 FLUSHING THE SYSTEM:
After all new sprinkler pipe lines and risers are in place and connected, all necessary diversion work has
been completed, and prior to installation of sprinkler heads, the control valves shall be opened and a full
head of water used to flush out the system for a minimum of 5 minutes. Sprinkler heads shall be installed
only after flushing of the system has been accomplished to the complete satisfaction of the Owner's
Representative,
3.19 ADJUSTING THE SYSTEM
A. Adjust the valves and alignment and cover,qge of all sprinkler heads. If it is determined
that adjustments in the irrigation equipment or nozzle changes will provide proper and
more adequate coverage, make all necessary changes or make arrangements with
manufacturer to have adjustments made, prior to any planting. These changes or
adjustments shall be made without additional cost to the Owner,
B. The entire system shall be operating properly before any planting operations commence.
J�� -
3.20 COVERAGE TEST:
2. Fertilizer plant tablets shall be'AGRIFORM SLOW RELEASE'to be applied per
DRAWN BY:
MILD
Manufacturer's Specifications.
When the sprinkler system is completed, perform a coverage test in the presence of the Owner's
-, 0) rl-
I __
< U *
XX
Representative to determine if the water coverage for planting areas is complete and adequate. Furnish
Application rates:
materials and perform all work required to correct any inadequacies of coverage due to deviations from
Apply 21 gram agriform tablets at the following rates per plant by size:
plans, or where the system has been willfully installed as indicated on the drawings when it is obviously
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inadequate, without bringing this to the attention of the Owner's Representative. This test shall be
Shrubs:
accomplished before planting begins.
*1 gal. shrub - 1 tablet
16
*5 gal. shrub - 3 tablets
3.21 HYDROSTATIC TEST:
el 5 gal. & 24" box shrubs - 1 tablet for each 1/2" of trunk Diameter or each foot of
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height or spread, I
All Hydrostatic tests shall be made only in the presence of the Owner's Representative, or other duly
Trees:
authorized representative of the Owner. No pipe shall be backfilled until it has been inspected, tested, and
Apply one 21 gram agriform tablet for each 1/2" of trunk diameter or each foot of
approved in writing. Pressure supply lines shall be tested under a hydrostatic pressure of 150 pounds per
height or spread.
square inch for a period of four hours.
Ground Cover:
Apply one 5 gram agriform tablet per rooted ground cover cutting. Refer to
3.22 COMPLETION
Manufacturer's Specification for installation procedure.
X Upon completion of the work, make ground surface level, remove excess materials,
3. Organic amendment shall be nitrolized redwood sawdust (.5% actual nitrogen),
rubbish, debris, etc., and remove construction and installation equipment from the
Fir Bark I% nitrogen). It shall be fine textured, having minimum 80% passing #8
premises.
screen and minimum 95% passing #4 mesh screen. Salinity shall be no higher
than 3.5 millimhos per centimeter at 25 Centigrade as measured by saturation
B. Supply as part of this contract the following tools:
extract conductivity. Organic amendment shall be mineralized with iron sulfate.
XX
Pine shall not be used as an organic amendment.
a Two wrenches for disassembling and adjusting each type of sprinkler head supplied.
* Two keys for each automatic controller,
4. Import soil, if required, shall be free from debris, roots, and large rock and shall
* Four quick coupler keys with attached hose swivels.
be of the same structure and USDA classification as the site soil and shall be
* Four (4) of each of all types of sprinkler heads and nozzles.
free of all deleterious materials harmful to plant life. Expansive soil is not
* Two keys for enclosure look.
acceptable.
* Two cover lifting tools for valve boxes.
B. Plant Materials
C. The above equipment shall be turned over to the Owner at the conclusion of the project.
Before final acceptance can occur, evidence that the Owner has received materials must
1. Quality and size of all plants shall conform to the California Standard
be shown to the Owner's Representative.
Code of nursery stock and shall be No. 1 grade. Plants shall be vigorous, or
normal growth, free from disease, insects, insect eggs and larvae. All plants
PART 4- RECORD DRAWINGS, CHARa & MANUAL
shall equal or exceed any measurements specified and shall be supplied from
source indicated when a source is specified.
4.01 RECORD DRAWINGS
2, Container stock shall have grown in containers for at least one year, but not over
two years. Samples shall be shown to prove that no rootbound
A. Record accurately on one set of black and white prints of the drawings, all changes in the
prevail. No container plants that have cracked or broken balls of earth, when
work constituting departures from the original contract drawings, including changes in
taken from container, shall be planted except on special approval from the
both pressure and non -pressure lines.
Owner's Representative.
B. Upon completion of each increment of work, transfer all such information and
3. Nomenclature conforms to customary nursery usage: For clarification, the term
to the prints. The changes and dimensions shall be recorded in a legible and workmanlike
"multi -trunk" defines a plant having a minimum of three trunks and a maximum of
manner to the satisfaction of the Owner's Representative. When the drawings are .
five trunks of nearly equal diameter.
approved, transfer all information to a set of reproducible drawings at cost by the Owner's
Representative,
4. Inspections; All plant materials must have been previously inspected at the
nursery by a State or County Horticultural Department, and shall be subject to
C. Dimensions trom two permanent points of reference (buildings, monuments, sidewalks,
the inspection and approval of the Landscape Architect before planting.
curbs, pavement, etc.). Locations shown on as -built drawings shall be kept day to day as
the project is being installed. All dimensions noted on drawings shall be 3/8 -inch in size.
a. Inspection of Plant Material: Inspection of plant materials required by
City, County, State. or Federal authorities shall be the responsibility of
D. Show locations and depths of the following items:
the Contractor and where necessary he shall have secured permits or
certificates prior to delivery of plants to the site,
*Point of connection,
-Routing of sprinkler pressure lines (dimension maximum 100 feet along routing).
b, Plants shall be subject to inspection and approval or rejection at place
*Sprinkler control valves (buried only),
of growth and on the project site at any time before and during progress
*Routing of control valves.
of work or during the maintenance period, Poor condition, latent
*Other related equipment (as may be directed by the Owner's Representative).
defects, injuries, and improper size, variety, and shape shall be cause
for rejection. Rejected plants shall be removed from the project site
E. Quick coupling valves.
immediately.
F. Maintain as -built drawings on site at all times.
5. Substitutions for the indicated plant materials will be permitted provided the
substitute materials are approved in advance by the Landscape Architect and
G. Make all changes to reproducible drawings in ink. If necessary, use eradicating fluid when
the substitutions are made at no additional cost to Owner. Except for authorized
redoing drawings.
variations, all substitute plant materials shall conform to the requirements of
these specifications. If the accepted substitute materials are of a less value
4.02 CONTROLLER CHARTS
than those indicated or specified, the Contract price will be adjusted in
accordance with the provisions of the Contract.
A. As -built drawings must be approved by the Owner's Representative before charts are
C. Tree support materials:
prepared,
B. Provide one controller chart for each controller supplied, of the maximum size the
1 . Stakes for tree support shall be lodgepole pine free from knots, rot, cross grain
controller door will allow, showing the area covered by the automatic controller. The chart
or other defects that would impair strength. Stakes shall be pressure treated
is to be a reduced drawing of the actual as -built system, However, in the event
with pentachlorophenol, and a minimum of 2" diameter by 10'-O" long and pointed at
controller sequence is not legible when the drawing is reduced, it shall be enlarged to a
one end.
size that will be readable when reduced. The chart shall be a blackline print and a different
color shall be used to show the area of coverage for each station,
2. Ties for holding trees shall be "cinch -tie" or approved equal. "Cinch -tie" manuf.
by V.I.T. Products, 15561 Product Lane, D-4, Huntington Beach, CA 92649.
C. When completed and approved, the chart shall be hermetically sealed between two
of plastic, each piece being a minimum 20 mils. thick. The chart shall be mounted using
3. Tree guying materials shall be as follows:
Velcro or approved equal type of tape.
(a) Ground anchors for guying shall be redwood per detail.
D. These charts must be completed and approved prior to final inspection of the irrigation
system.
(b) Guying wire shall be 12 gauge annealed galvanized steel.
4.03 OPERATION AND MAINTENANCE MANUALS
(c) Guying cablo shall be a minimum of two strands, making a 3/16"
diameter steei cable.
,A. Prepare and deliver to the Owner',- Representative within ten days ty calendar prior
fol) Hose chafing guards shall be new or used 2 -ply, one half inch (1/2")
completion of construction, all required and necessary descriptive material in complete
I reinforced rubber or plastic hose and shall be all the same color on the
detail and sufficient quantity, roperly pre ared in individual bound copies of the operation
and maintenance manual. T�e manual Nall describe the material installed and shall be in
project. Length shall be one and one-half times the
sufficient detail to permit the operating personnel to understand, operate, and maintain all
circumference of the plant at its base,
equipment. Spare parts lists and related manufacturer information shall be included for
each equipment item installed. Each complete, bound manual shall include the following
(e) Guying cable shall be covered with 3/8" dia x 3" long white PVC tubing.
information:
(f) Turnbuckles shall be galvanized or cadmium -plated steel and have a 3"
1 , triclex sheet stating Contractor's address and telephone number, duration of
minimum lengthwise opening fitted with screw eyes.
guarantee period, list of equipment with names and addresses of local
manufacturer representatives.
(9) Duckbill 88 -OTS earth anchor may be used as an alternate to the guying
materials specified above manuf. by Foresight Products, Inc. North
2. Complete operating and maintenance instructions on all major 3quipment.
Glen, Colorado, (1-800) 325-5360�
B. In addition to the above maintenance manuals, provide the maintenance personnel
D. Mulching: Mulch shall consist of processed wood fiber material equal to or supplied
instructions for major equipment and show written evidence to the Owner's
by Intravaia Rock and Sand, Upland, CA, (909) 982-6713. Submit sample of any
Representative at the conclusion of the project that this service has been rendered.
alternative material prior to purchase and/or placement for Owner's Representative's
approval.
PART 5 - GUARANTEES
..
E. Lawn from Sod: Marathon 11 Hybrid Fescue. Submittal fortype and grower required for
A. The entire sprinkler system shall be unconditionally guaranteed by Contractor as to
Architect's approval.
material and workmanship, including settling of backfilled areas below grade for a period of
F. Header board/Mowstrip: See details.
one (1) year following the date of final acceptance of the work, Owner may exercise
option to withhold part of final payment until the one year product/workmanship guarantee
G. Herbicides:
has elapsed from date of final acceptance.
S. If within one year from the date of completion, settlement occurs, and adjustments in
1. Herbicides used must comply with all applicable State and Federal laws and be
registered with the U.S. Environmental Protection Agency Herbicide control shall
pipes, valves and sprinkler heads or paving is necessary to bring the system or paving to
be:
the proper level of the permanent grades, contractor, as part of the work under his
contract, shall make all adjustments without extra cost to Owner, including the restoration
(a) Pre -emergency application of "Treflan 5% Granules" or equivalent,
of all damaged planting, paving or other improvements of any kind. Should any difficulties
applied according to manufacturer's recommendations and incorporated
develop within the specified guarantee period which Owner feels may be due to inferior
into soil as specified.
material and/or workmanship, these difficulties shall be immediately corrected by
Contractor to the satisfaction of Owner at no additional cost to Owner, within 48 hours of
(b) Post - emergence application of "Round -up" or equivalent, applied as
written notice, including any and all other damage caused by such defects. Failure of
specified by manufacturer. Spray with extreme care to avoid contact
Contractor to respond in a timely manner to repair damaged conditions, shall prompt owner
with landscape plantings.
to repair same and deduct costs of labor, material and equipment used from Contractor's
final payment.
PART 3 -
EXECUTION
C. The Owner reserves the privilege of making any emergency repair without relieving
3.01 GENERAL PREPARATION
Contractor's warranty obligations.
A. Commence work as directed by the Owner's Representative and conduct operations
D. Written guarantee shall be supplied in the completion of the project, showing date
continually to completion unless weather conditions are unfavorable. All work shall
completion.
conform to high standards of practice within the trade.
END OF SECTION
B. Clean up and remove from planting areas all existing plant material not removed under the
PLANTING
general site construction contract, including roots and any accumulated debris and
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rubbish before commencing work. Legally dispose of such materials off the site.
PART 1 - GENERA
C. Underground Obstructions to Planting:
1.01
I . If underground utilities, construction or solid rock ledges are encountered, other
locations for planting maybe selected by the Owner's Representative. Damage
Refer to standard contract documents for non-technical contractual requirements and conditions.
to utility lines shall be repaired at the Contractor's expense at no additional cost
to the Owner or Tenant.
1.02 SCOPE
D. Protection of Existing Vegetation:
A. Work included: All labor and materials, appliances, tools, equipment, facilities,
1 . If lawns have been established prior to planting operations, the surrounding turf
transportation, and services necessary for and incidental to performing all operations in
shall be covered in a ma;i-ner that will protect turf areas before excavations
connection with furnishing, delivery, and installation of "Landscaping", complete, as
begin.
shown on the drawings and/or specified herein. Work includes, but is not limited to the
following:
E. Storage: Store plants and materials on the project site, and ensure that they are
protected from damage by sun, rain, wind, theft, vandalism, and construction work, Water
I . Provide the fine grading in all areas to be planted.
plants regularly.
2. Furnish and apply weed control to all planting areas.
3.02 INSPECTION OF WORK IN PROGRESS
3. Preparation of soil in all planting areas per soils analysis.
A. Installations and operations in progress must be approved at various stages by the
4. Furnish and install all plant materials.
Owner's authorized Representative.
5, Stake trees,
B. In no event shall the Contractor proceed from one state to another of the work, without
prior approval of the Owner's authorized Representative.
6. Furnish and install sodded lawn.
C. The Contractor must notify the Owner's authorized Representative for inspections of the
7. Furnish and install redwood header board.
following stages of work:
8. Furnish and apply bark mulch.
1 . When all grading within planting areas has been completed.
9. Pruning of nursery stock.
2. When all plants are ready to be delivered at the nursery or when plants have been
delivered to the site and prior to any planting.
10. Maintenance of all plantings until end of maintenance period and acceptance,
3. When all trees and shrubs have been spotted on the site where shown on the
11. Guarantee of materials and workmanship.
drawings.
B. Related work specified under other contracts (copies available from the Owner).
4. When all tree and shrub pits have been excavated after water has leached out of
the pits,
1 . Concrete sidewalks and curbs.
5� When weed germination and removal is complete, and seedbed is prepared but
2. Asphalt paving.
prior to installation of seed.
3. Rough grading.
3.03 FINE GRADING
4. Electrical.
A. The Contractor shall import soil as required. The Contractor's bid shall indicate
the total in-place cost of required import. No additional charges will be allowed.
C. Verification of Plant Quantities: Quantities given for plant materials are shown for
convenience only. The Contractor shall provide all plants shown on the plans.
B. The soil shall not be worked when moisture content is so great that excessive compaction
will occur, nor when it is so dry that dust will form, or clods not readily break up.
PART 2 - MATERIALS
C. The Contractor shall be responsible for dust control in areas within the scope of this
contract.
2.01 MATERIALS:
D. Rip in two directions to the depth of 12" on all areas upon which fill will be placed.
If requested, samples of soils additives and plants shall be submitted for inspection and stored on the site
until furnishing of materials is completed. Delivery may begin upon approval of samples, or as directed by
E. Rough grade requirements shall allow for soil amendments, Coordinate with General
the Owner's Representative. A copy of delivery slips on all materials used on project shall be forwarded to
Contractor.
the Owner's Representative. Substitutions in any material will not be permitted unless specifically approved
in writing by the Owner's Representative.
F. Bring to the attention of the Owner's authorized Representative all soil in planting areas
that contain any deleterious substances such as oil, plaster concrete, gasoline, paints,
A. Soil and Soil Amendments:
solvents, etc.. Upon the approval of the Owner's authorized Representative, remove and
1 . Fertilizer for soil conditioning and maintenance shall bear the manufacturer's
dispose of all above mentioned soil to the level of dryness in the affected areas, The
affected soil shall be replaced with native soil. If the Contractor fails to notify Owner's
guaranteed analysis, and shall be as recommended in the required soils
authorized Representative of the above- me nti o,ied soil, the Contractor shall be
laboratory report.
responsible for any damage to installed plants caused by such substances.
G. If an area to be landscaped is not acceptable to the Contractor, he shall notify the
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Owner's Representative.
"I I
H. Finish grade all planting areas to a smooth and even conditions, making certain that no
water pockets or irregularities remain, Remove and dispose of all foreign materials,
and rocks over one inch in diameter within six inches of the surface so that, after
conditions and planting, the finish grade in shrub and in groundcover areas is 3" below the
top of all curbs and 11" below the top of all walks.
1. Omit rototilling on slopes 2 to 1 or greater in ration. Instead, lightly hand scarify the soil.
Refer to Drawings for sloped areas, if any.
J. Patch all areas having damage from erosion and so related earth moving to create a
smooth and regular surface for planting. Final grade to be approved by Owner's
Representative.
3.04 SOIL CONDITIONING (also see Fine Grading Section)
A. Broadcast the recommended soil additives per 1,000 square feet and cultivate to a depth
of 6" based upon required soils and plant laboratory report. It is the Contractor's
responsibility to obtain soils tests. Soils analysis shall be done by Soils & Plant
Laboratory, Inc. 412 S. Lyon, Santa Ana, CA (714) 558-8333. Copies of the report
be sent to the Owner's Representatives.
B. For bidding purposes when no soils report is available in all planting areas the following
application shall be made per 1,000 square feet of area and shall be thoroughly
in two directions into the top 9" of soil, and the area watered down:
2 CU. YDS. nitrolized wood shavings
20 LBS. iron sulfate
C. Planting pits shall be excavated three times the diameter and 2" shallower than the rootball
depth for trees, twice as wide and 6" deeper than the rootball for shrubs. (Refer to planting
details).
D. For plants other then azaleas, camellias, and ferns backf ill plant pits with soil
excavated from pit, Do not any additional amend nts to backfill mix.
E. Prepare soil mix for back fill in pits for gzaleas, camellias, ferns and other plants (as
specified) as follows:
1/3 Washed Plaster sand
1/3 Canadian Peat Moss
1/3 Loamite or Forest Humus
F. Backf ill mix for Palms shall be concrete sand. (Refer to details)
G. The prepared soil shall be uniformly blended in an area adjacent to the planting work and
shall be accurately proportioned using a suitable measuring container. Unused
excavated soil shall be removed from site. Protect the mix from water until it has
placed in backfill around plants,
3.05 WEED CONTROUABATEMENT
A. Weed abatement: after earthwork, installation of irrigation system, and soil preparation,
but prior to planting, perform weed abatement program to all planting areas as follows:
I . Hydroseeded or hand seeded planting areas;
a. Apply sulfate of ammonia at the rate of 5 Lbs. per 1,000 Sq. Ft. to all
areas be planted.
b. Keep area moist by regular irrigations for a period of two (2) weeks to
germinate existing weed seeds.
C. At the end of two weeks, apply "Round -Up Pro" or equal systemic herbicide
Do not irrigate within six (6) hours after application. Herbicide shall be
applied by an individual with appropriate license, refer to MFG
specifications for period of time required from time of application to time
of implementing planting. After complete weed kill, remove all weed
residue and top growth and dispose of in a legal manner.
Alternative methods of weed kill for item C may be Total Veg, Killer or
Glyfos applied per licensed herbicide agency and specifications.
2. Shrub and hand planted ground cover areas;
a. Apply pre -emergent weed control chemicals to hand planted
groundcover areas. Do not apply to areas to be seeded.
b. Proceed with installation of shrubs and groundcover after removal of
any weeds by cultivation.
C. If stubborn and residual weeds should persist, i.e. Bermuda cirass,
eradication procedure shoud be repeated, The type of weeds that
exist should be identified and coordinated with an approved licensed
pest control advisor to ensure compatibility with chemical and season
of application. Do not use material or method that would adversely
affect new plantings, slope stabilization, or hydroseeding.
B. The Contractor shall be responsible for control of weeds in all landscape areas through
final acceptance of the work. Any selective weed control spray or physical weed removal
shall be the Contractor's responsibility and the Contractor shall repair any damage
resulting from weed control activity.
C. All herbicides shall be applied only by a licensed herbicide application agency. No
herbicides shall be applied without first obtaining written approval from the city inspector.
3.06 PLANTING SHALL BE DONE AS FOLLOWS:
A. Planting of Trees
1. Position plants in plant locations indicated on drawings and secure approval
before excavating pits, making necessary adjustments as indicated.
2, All pits for trees shall be dug square with bottom level, the length of sides
equal to three times the width and 2" less than the depth of the tree root ball.
Compacted soils at sides and bottoms shall be loosened by scarifying or other
approved method. Once the tree is poistioned in the pit, the pit shall be filled
with soil as per specs, thoroughly settled by water application. (Refer to
planting details and spacing details.)
3. Prepare depressed water basin as wide as plant rootballs at each plant. Water
thoroughly, backfilling any voids with additional soil.
B , Planting Vines, Shrubs and Groundcovers
1 . Vine and shrubs shall be planted in pits at least one and one-half times greater
than the diameter of the rootball and 6" below the bottom of the ball.
Compacted soil at bottom of pit shall be loosened and the pit filled with "native
soil" to the bottom of the ball. When the plant has been properly set, the pit shall
be filled to the required grade with amended soil and thoroughly settled by
tamping and watering. All vines shall be removed from stakes, untied, and
securely fastened in an approved manner to the wall, fence or other surface next
to which they are planted. (Refer to planting details)
2. Prepare a depressed water basin as wide as plant root balls at each plant, Water
thoroughly, backfilling any voids with additional prepared planting mix.
3. Ground Covers
(a) Pits for flat sized plants to be at least 4" x 4" x 4". Ground cover areas
shall be moistened prior to planting. No flatted liner, or potted plants
shall be planted in dry soil,
(b) Set plants in center of pits so that crown of plant will be level with
finished grade after settling of soil, then backtill, and water. (Refer to
spacing detail)
(c) Flatted plants shall be well -rooted with runners at least 4" but not more
than 6" in length.
C. Trees and Vines Occurring in Lawn
1 , Trees and vines occurring in lawn shall be planted before final preparation of
those areas.
2. All trees shall be installed with bark protection devices at their crowns. (Refer to
planting detail)
3. Lawn around trees shall be installed no closer to the tree trunk than the width of the
rootball, and shall be maintained at this distance.
3.07 TURF GRASS SOD
A. Roll subgrade when soil is reasonably dry, using a 125 pound water ballast roller. If rolling
will not firm the sod bed underneath, it shall be permitted to settle until the Owner's
Representative determines a satisfactory condition has developed. Re -rake or scarify all
irregularities and cut or fill as required to establish uniform grade. Roll area again to obtain
a uniform grade. Areas to be planted to lawn, shall be finished smooth, satisfactory to the
Owner's Representative before any sod is placed,
B. Sod is to be freshly cut and placed in sections not smaller than one square foot. Stagger
the joints between rolls. Sift soil (use soil waste that has fallen off sod) into all joints to fill
any voids created. Roll sod with lightly weighted roller after completion of all sodding
operations.
C. The lawn edges shall be maintained in a neat condition until acceptance of the work.
D. Sufficient measures shall be taken to the Contractor to ensure the lawns against damage
resulting from pedestrian traffic. If any type of barrier is used, it must meet with the
approval of the Owner's Representative, Any damage to the lawns shall be repaired by
the Contractor before acceptance will be made.
E. Repair: When any portion of the sod area becomes discolored, waterlogged, or otherwise
damaged or unhealthy following sodding within the period of Contractor's responsibility,
the affected portion shall be repaired to re-establish the condition and grade of the soil
prior to installation and shall then be replanted as originally specified at no cost to the
Owner.
.
3.08 HYDROSEEDING
A. Slope areas: Refer to planting plan and slope mix designs for types and amount of seeds
to be used. Alternate seed mixes may be used only upon approval of the Landscape
Architect or the Owner's Representative. The designed slurry mixes shall be applied by an
approved hydromulch company. Designed slurry mixes will be either for irrigated or non-
irrigated slope conditions, (Refer to plans and seed mix designs). Each container of
slurry mix shall be applied within a 2 hour time limit, or be rejected and removed at
Contractor's expense,
B. Turf Areas: The designed seed and slurry mix shall be applied in designated areas by an
approved hydromulch company within a 2 hour time limit per container mix, (Refer to
Planting Plan and Legend). Where applicable, a substitute seed mix may be used only
upon approval of the Landscape Architect or Owner's Representative.
C. Daily Work Sheets: Daily work sheets shall be signed by the Nozzlemen and sent to the
Owner's Representative for payment approval. The following information shall be
recorded:
1 . Seed - types, amounts
2. Fertilizer - analysis, amount
t��_I,w I
3. Mulch - type, amount
4. Seeding additive - type, amount
5. Number of loads - amount of water
6. Area covered - in acres
7� Equipment used - capacity and license number
I D. Protection/Clean-up; Prevent and/or clean-up overspray onto concrete reservoirs,
drainage ditches, channels, structures, roads and walkways. Overspray and spillage
onto restricted areas shall be removed the same day at Contractor's expense to the
satisfaction of the Owner's Representative.
3.09 STAKING (See Staking Details)
A. Stakes shall be driven into the ground in such a way as to minimize damage to the
rootball of the tree, and shall be placed so that the tree will blow away from the stakes,
except where such placement will be subject to damage by parked cars.
B. Form loops around trunk with ties, and securely attach to stake(s). Attach loose enough
so that tree can sway slightly in the wind. (Refer to Detail)
3.10 GUYING
Trees 36" box size or larger, shall be immediately guyed after planting with four guys per tree. (Refer to
Detail)
3.11 PRUNING:
Pruning of nursery stock shall not be done prior to delivery. Plants and trees shall only be pruned for health
or structural reasons, including the need to eliminate diseased, damaged, or structurally unsound growth.
Pruning shall be performed according to ANSI A-300 or International Society of Arboriculture standards
under supervision of a qualified arborist approved by the Landscape Architect. LEAVE OPEN WOUNDS
TO AIR-DRY - DO NOT USE ANY FORM OF "TREE PAINT" OR WOUND SEALER.
3.12 MULCHING:
A. All planting areas (except as noted) shall be mulched (top dressed) with a minimum of 2"
depth layer of wood fiber material. Remove mulch failing on hard -surface areas,
3.13 CLEAN-UP
A. During the course of the work and at its conclusion, remove surface material from the site
and leave the premises in a neat and clean condition.
B. Remove all tags, labels, nursery stakes and ties from all plants,
3.14 PROTECTION
Contractor shall carefully and continuously protect all areas included in the Contract, including plant
materials, fences, supports, public safety, etc., until final acceptance of the work by the Owner's
Representative.
3.15 MAINTENANCE I
A. Maintenance operations shall begin immediately after each plant is planted and shall be
continued satisfactorily for a period of 90 days after the time all items of work have been
completed as specified herein and to the satisfaction of the Owner's Representative.
B. During the maintenance period specified in paragraph A. above, all plants and planted
areas shall be kept watered at all times; weeds shall be removed and disposed of; basins
and depressions shall be maintained and cultivated and kept well formed around trees and
shrubs; paper and debris shall be regularly removed from planters; and water system shall
be maintained and repaired; rodents shall be controlled; and the entire project shall be so
cared for that a neat and clean condition is presented at all times. Keep walks and
swept clean. Legally dispose of excess materials including paper and debris in planted
areas.
C. Maintain a sufficient number of men and adequate equipment to perform the maintenance
work herein specified from the time of planting until completion of the maintenance period
and acceptance by the Owner.
D. An application of fertilizer shall be made to all landscape areas just prior to the completion
of the maintenance period according to the recommendations for the required soils
laboratory report.
E. A written notice requesting a pre -maintenance inspection shall be received by the Owner's
Representative at least 5 days to completion of the project.
F. A written notice requesting final inspection shall be received by the Owner's
Representative at least 5 days prior to completion of maintenance period.
G. The Contractor shall make a periodic inspection of plant materials until the end of the
guarantee plant period. If unfavorable conditions exist which might be harmful to the
guaranteed plant, the Contractor shall notify the Owner in writing of the condition, or he
may be held responsible under the guarantee.
H. Pre -maintenance inspection and final inspections are to be held with the understanding
that the project has been reviewed by the principals of the responsible Contractor in
advance of the review by the Owner's Representative and/or Owner. Discrepancies noted
during this advance review are to be corrected before the project receives these official
inspections,
L The Landscape Contractor shall refer to the Landscape Maintenance Manual for further
maintenance requirements (if applicable),
PART 4 - GUARAN
4.01 GUARANTEE
All shrubs and groundcover shall be guaranteed by Contractor as to growth and health for period of ninety
(90) days after completion of the specified maintenance period, and/or final acceptance by tha Owner's
representative, All trees up to 24" box size shall be guaranteed by Contractor to live and grow in an
acceptable upright position for a period of six (6) months after completion of the specified maintenance
period, and/or final acceptance by the Owner's representative. Trees in 24" boxes or larger, and all field
grown specimens shall be guaranteed by Contractor to live and grow in an acceptable upright manner for a
period of one (1) year after completion of the specified maintenance period, and/or final acceptance by the
Owner's representative.
4.02 REPLACEMENT STOCK
All replacement stock shall be subject to the same warranty requirements as the original stock. Any
damage due to replacement operations shall be repaired by the Landscape Contractor. At the end of the
warranty period, inspections shall be made jointly by the Tenant's Construction Representative, Developer,
Tenant and Landscape Contractor, All plants and lawn areas not in a healthy growing condition shall be
removed and replaced with plants and grasses of a like kind and size before the close of the next planting
season.
END OF SECTION
PM
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ARCHITECTURE
SITE PLANNING
10621 Church St., Suite 106
Rancho Cucamonga, CA 91730
(909) 464-2800
Fax (909) 484-2802
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