HomeMy WebLinkAbout4070-12BENCHMARK
SAN BERNARDINO COUNTY
B.M. OF 627, NAVD 88
ELEVATION: 1011.70 FEET
IRRIGATION SYSTEM - AUTOMATIC
A. GENERAL
1. Contractor shall provide all labor, materials, and equipment necessary to
furnish and install the irrigation system as indicated on the drawings
and as specified herein.
2. Coordinate the installation of all irrigation materials with the
construction of site amenities and planting.
3. All work on the irrigation system, including hydrostatic, coverage, and
operational tests and the backfilling and compaction of trenches shall
be performed before planting operations.
4. Drawings are diagrammatic and shall be adjusted as necessary to
conform to actual field conditions. Costs incurred due to any
adjustment for coverage, including those requested by the City
Authorized Rep. relative to the location of irrigation heads as shown on
the drawings shall be the responsibility of the Contractor.
5. Point of connection (P.O.C.) and operating pressure (P.S.I.) shall be as
indicated on the drawings. Contractor shall verify the location and size
of water source, PSI, and electrical supply prior to commencing
installation. In case of discrepancy, Contractor shall immediately notify
the City Authorized Rep.
B. QUALITY ASSURANCE
1. All local and state laws, rules and regulations governing or relating to
any portion of the irrigation system are hereby incorporated into and
made a part of these specifications. However, if these specifications
call for or describe materials, workmanship or construction of a better
quality, higher standard or larger size than is required by the above
rules, regulations or requirements, these specifications and the drawings
shall take precedence.
2. In the event any equipment or methods indicated on the drawings or
specified herein conflict with applicable regulations, Contractor shall
immediately notify the City Authorized Rep. and Landscape Architect in.
writing prior to installation. In case of discrepancy, Contractor shall
immediately notify the City Authorized Rep.
3. Due to the scale of the drawings, it is not possible to indicate all
offsets, fittings, sleeves, and related other equipment, which may be
required. Contractor shall carefully investigate the structural and
finished conditions affecting the work and install a complete irrigation
system within the intent of the drawings and specifications.
4. Manufacturer's warranties shall not relieve the Contractor of liability
under the provisions for guarantees.
C. MATERIALS LIST
1 • Within fifteen (15) calendar days after award of Contract and prior to
installation, the Contractor shall submit to the City Authorized Rep. a
list of materials including the manufacturer, description, model number
and installation data.
2. Equipment or materials installed or furnished without prior acceptance
may be rejected and such materials removed from the site at the
Contractor's expense.
D. PRODUCT DELIVERY, STORAGE AND HANDLING
Contractor shall exercise care in handling, loading, unloading and storing
of irrigation materials and equipment.
E. PLASTIC PIPE
1. Plastic pipe, where indicated on the drawings, shall be injection molded;
rigid; unplasticized polyvinyl chloride (PVC); NSF approved; of high
tensile strength, chemical resistant and impact strength; and depending
on class and grade, conform to ASTM 2241 or ASTM D-1785.
2. Fittings and couplings shall be threaded PVC Schedule 80 conforming to
ASTM D-2464; or slip -fitting, tapered socket, solvent -weld type, PVC
Schedule 40 conforming to ASTM D-2466 or PVC Schedule 80
conforming to ASTM D-2467.
3. Solvent cement and primer for rigid PVC solvent -weld pipe and fittings
shall be of commercial quality, IAPMO approved, conforming to ASTM
D-2564.
F. BRASS PIPE
1. Brass pipe, where indicated on the drawings, shall be 86% red brass,
American National Standards Institute, Schedule 40 screwed pipe,
conforming to Federal Specifications WW -P-351.
2. Fittings shall be medium brass, screwed 125 pound class, conforming to
Federal Specifications WW -P-460.
GALVAN I ZED PIPE
1. Galvan steel pipe, where indicated on the drawin oo�be ASA
Schedule 40 teel screwed pipe. Fit ' a I be medium
galvanized screwed be all on.
2. All galvanized pipe Ings In d below grade shall be painted
with tw oats of Koppers #50 Bitum or approved equal.
s may be wrapped with an approved asphaltic
H. UVR-PVC PIPE
UVR-PVC pipe, where indicated on the drawings, shall be ultra -violet
resistant, Schedule 40 PVC pipe. Fittings shall be UVR-PVC fittings.
I. BACKFLOW PREVENTION UNIT
Backflow prevention unit shall be factory assembled and shall be as
indicated in the Irrigation Legend on the drawings, or approved equal.
Contractor shall install backflow prevention unit as indicated in the
details on the drawings and in accordance with manufacturer's
recommendation.
i
TOLL FREE 1 -800-227-2600
A PUBLIC SERVICE BY UNDERGROUND SERVICE ALERT
REV. REVISION DESCRIPTION
1A PLANTING AND IRRIGATION REVISION
J. VALVE BOXES
1. Gate valves and remote control valves, except for anti -siphon valves,
shall be installed below grade as indicated in the details on the
drawings, in lockable valve boxes manufactured by Brooks, Fraser,
Ametek, or approved equal.
2. Valve box lids shall be green in color. Gate valves shall be identified
by stamping "GV" on the valve box cover. Remote control valves shall
be identified by stamping "RCV" and station number on the valve box
cover.
3• Valve boxes shall be set one inch (1") above finish grade, with valves
set at sufficient depth to provide appropriate clearance between the
cover and valve.
K. ISOLATION VALVES
1. Isolation valves (gate) shall be as indicated in the Irrigation Legend on
the drawings, or approved equal. Contractor shall install isolation valves
as indicated in the details on the drawings and in accordance with
manufacturer's recommendation.
2. The operating unit shall be line -sized and have any arrow cast in the
metal indicating the direction of opening. Valve shall conform to
American Water Works Standards.
3. Isolation valves shall be designed to permit dismantling to replace sealing
components without removal of the valve body from the pipeline.
4. Isolation valves shall be installed with operating nuts.
L. QUICK COUPLING VALVES
Quick coupling valves shall be as indicated in the Irrigation Legend on the
drawings, or approved equal. Contractor shall install quick coupler valves
as indicated in the details on the drawings and in accordance with
manufacturer's recommendations, with a molded vinyl or thermoplastic
rubber locking yellow cover. Coupler keys and hose ells shall be of the
same manufacturer as the valve.
M. ANTI -DRAIN VALVES
Where indicated on the drawings, and as needed for field conditions,
anti -drain valves shall be as indicated in the Irrigation Legend on the
drawings, or approved equal. Anti -drain valves shall be line -sized and
installed on the riser directly under the irrigation heads in accordance
with manufacturer's recommendations.
N. REMOTE CONTROL VALVES
Remote control valves shall be solenoid activated, of the type,
manufacturer and size as indicated in the Irrigation Legend on the
drawings, or approved equal. Contractor shall install remote control
valves as indicated in the details on the drawings and in accordance
with manufacturer's recommendations.
0. CONTROLLERS AND WIRING
1. Controller shall be of the type and manufacturer as indicated in the
Irrigation Legend on the drawings, or approved equal. Contractor shall
install controller as indicated in the details on the drawings and in
accordance with manufacturer's recommendations.
2. Connections between the controller and the remote control valves shall
be made with direct burial solid copper wire. Control wire shall be #14
AWG, Type U.F., 600 volt. Common wire shall be #12 AWG. Wire shall
be PVC insulated of single conductor type, underground feeder cable,
U.L. approved.
3. As practical, pilot wires shall be a different color for each valve.
Common wires shall be white with a different color stripe for each
automatic controller.
4. Wire shall be buried a minimum of eighteen inches (18") in depth and
whenever possible shall occupy the same trench as the mainline; bundled
and secured to irrigation pipelines at ten foot (10') intervals with plastic
electrical tape, providing sufficient slack for expansion and contraction.
5. Wire for slope systems shall be installed in a UVR PVC sleeve laid
adjacent to the on -grade pipes.
6. Provide a separate ground wire for each controller.
7. An expansion curl shall be provided within three feet (3') of each wire
connection and change of direction, and at least every 100 feet of wire
length on longer runs.
8. All splices shall be made with Scotch -Lok #3576 Connector Sealing
Packs, Rain Bird Pen-Tite, Sears DS -400 wire connectors, 3M DBY wire
sealing packs, or approved equal. Use one (1) splice per connector
sealing pack. Wire splices shall be located in pull boxes set one inch
(1") above finish grade.
9. Field splices between the controller and remote control valves will not
be permitted.
10. Install a spare control wire of a different color along entire mainline.
Loop thirty-six inches (36") excess wire into each single box and into
one valve box in each group of valves.
P. IRRIGATION HEADS
1. Irrigation heads shall be of the manufacturer, size, type, and rate of
precipitation with the diameter (or radius) of throw, pressure, and
discharge as specified in the Irrigation Legend on the drawings, or
approved equal, and installed as indicated in the details on the drawings
and in accordance with manufacturer's recommendations.
2. Riser units shall be oriented perpendicular to the finish grade with
nipples of the some size as the riser opening in the irrigation head.
3. Spacing of heads shall not exceed the maximum shown on the drawings
and in no case exceed the maximum spacing recommended by the
manufacturer.
DATE I ENGR. I CITY I DATE
8/12/08
n \A/Nl F R
KB HOME Greater Los Angeles
Inland Valley Division
36310 Inland Valley Drive
Wildomar CA 92595
Q. INSTALLATION
1. Pipe shall be cut square and the ends reamed out to the full inside
diameter of the pipe and thoroughly cleaned of dirt, dust and moisture
before installation.
2. PVC pipe shall be protected from tool damage during assembly. Plastic
pipe which has been nicked, scarred or damaged shall be removed and
replaced at the Contractor's expense.
3. PVC solvent -weld joints shall be made in accordance with ASTM
D-2855. Pipe shall not be exposed to water for twenty-four (24)
hours after solvent -weld joints are completed.
4. Trenches shall be of open vertical construction to appropriate depths as
indicated on the drawings and specified herein. PVC pipe shall be laid
on native grade or certified compacted subgrade, free of rocks or
sharp -edged objects and snaked from side to side in the trench to
allow for expansion and contraction.
5. Teflon tape shall be used on all threaded PVC to PVC and on all
threaded PVC to metal joints.
6. Brass pipe and fittings shall be assembled using Teflon dope, applied to
the male threads only.
7. Galvanized pipe threads shall be cut with clean, sharp dies, conforming
to American Standards Association Specification. Male pipe threads
shall be coated with a non-toxic, non -hardening, non -corrosive joint
compound.
8. Galvanized pipe or ultra -violet resistant (UVR) PVC installed on grade
shall be anchored at intervals not to exceed ten feet (10'), with #4
rebar, with a "J" hooked radius.
9. Rubber Ring Seal Joint:
a. Use factory -made male end or prepare field -cut male end to exact
specifications of factory -made end.
b. Carefully clean bell or coupling and insert rubber ring without lubricant.
Position ring carefully according to manufacturers recommendations.
c. Lubricate male end according to manufacturers recommendations and
insert male end to specified depth. Use hands only when inserting PVC
pipe.
d. Thrust blocks shall be provided where necessary to resist system pressure
on ring-tite pipe and fittings. Blocks shall be concrete and the size shall
be based on an average soil safe bearing load of 1000 pounds per square
foot.
e. Form thrust blocks in such a manner that concrete comes in contact only
with the fittings. Thrust blocks shall be between solid soil and the fitting.
10. Irrigation lines and control wiring shall be installed under paving in
separate PVC Schedule 40 sleeves. Sleeves shall be installed with the
coverage depths as specified herein.
11. Piping under existing pavement may be installed by jacking, boring or
hydraulic driving, except that no hydraulic driving will be permitted under
asphaltic concrete pavement. Where cutting or breaking of existing
pavement is necessary, obtain permission from the City Authorized Rep.
before cutting or breaking pavement and then make all necessary repairs
and replacements to the satisfaction of the City Authorized Rep., and at
no additional cost to the City Authorized Rep.
12. All lines shall have a minimum horizontal clearance of six inches (6")
from each other and from lines of other trades. Parallel lines shall not
be installed directly over one another.
13. Provide the following minimum coverage (where lines occur under paved
areas, these coverage depths shall be considered below subgrade):
Pressure mainline 18"
Non -pressure lateral lines 12"
Control wiring 18"
R. ADJUSTING AND TESTING THE SYSTEM
1 Contractor shall furnish all equipment, materials and labor to conduct
pipeline pressure tests, coverage tests and operational tests. All tests
shall be made in the presence of the City Authorized Rep. prior to
planting operations. Trenches shall not be backfilled until the pipeline
pressure tests have been performed to the satisfaction of the City
Authorized Rep.
2• After completion of pipeline assembly, prior to installation of terminal
fittings, including but not limited to remote control valves and quick
coupler valves, entire system shall be thoroughly flushed to remove dirt,
scale or other deleterious material.
3. With open ends capped, prior to installing valves, test pressure supply
lines for six (6) hours at 150 PSI. Center load PVC pipe with a small
amount of backfill to prevent arching and whipping under pressure.
4. Contractor shall be responsible for correcting any portions of the work
twenty (24) hours in advance for the following inspections;
- system layout
- pressure pipeline tests
- coverage tests
- operational tests (prior to commencing planting operations)
5. Coverage test shall demonstrate that each station area is balanced to
provide uniform and adequate coverage.
6. Operational test shall demonstrate the performance and operation of all
components of the controller system. Remote control valves shall be
properly balanced, heads adjusted for coverage and system shall be
workable, clean and efficient.
7. Contractor shall be responsible for correcting any portions of the work
that are not properly installed and retesting until installation has been
accepted by the City Authorized Rep.
APPLICANT/DEVELOPER
KB HOME Greater Los Angeles
Inland Valley Division
36310 Inland Valley Drive
Wildomar CA 92595
SEAL -LANDSCAPE ARCHITECT I DI LALLO
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S. BACKFILLING
1. Backfill material shall be free from large clods, stones, and other
objectionable materials, exceeding three inches (3") in diameter.
2. Trenches located under areas where paving or concrete will be installed
shall be backfilled with a six inch (6") layer of sand below the pipe and
three inches (3") above the pipe, and compacted in accordance with
the requirements of the Earthwork Section.
T. MATERIALS TO BE FURNISHED
Contractor shall furnish the City Authorized Rep. the following materials
at the end of construction, prior to the Post -Installation Maintenance
Peri#o (2) sets of special tools required for removing, disassembling and
adjusting each type of sprinkler and valve supplied on the project.
Two (2) five foot (5) valve keys for operating isolation valves.
Two (2) keys for each controller.
One (1) quick coupler key and matching hose swivels for each quick
coupler valve installed.
One (1) set each approved as -built and record drawings.
Two (2) sets each approved controller charts.
U. AS -BUILT AND RECORD DRAWINGS
1 • Contractor shall maintain and keep up to date one (1) set of bluelines
showing the "as -built" location of major features of the project and
indicating changes that may occur during installation.
2. Prior to acceptance of the work, Contractor shall furnish the City
Authorized Rep. with one (1) set of reproducible transparencies as the
Record Set showing the as -built data, of a quality satisfactory to the
City Authorized Rep. Transfer as -built data in ink (no ball point pen)
and eradicate outdated items.
3. Dimension from two (2) permanent points of reference (buildings,
monuments, sidewalks, curbs, pavement) the location of the following
items:
Point of connection to existing water lines.
Point of connection to existing electrical power.
Irrigation valves.
Routing of irrigation pressure lines
(dimensions, maximum 100' along route).
Remote control valves.
Routing of control valves.
Quick coupling valves.
Other related equipment as requested by the City Authorized Rep.
4. Contractor shall submit As-built/Record Drawings to City Authorized
Rep. for review prior to completing Controller Charts.
V. CONTROLLER CHARTS
Contractor shall provide two (2) controller charts for each controller
supplied. The controller charts shall show the area controlled and shall
be the maximum size which the controller door will allow. The controller
charts shall be a photographic print with a different .color indicating the
area of coverage for each station. When completed and approved, the
controller charts shall be hermetically sealed between two (2) pieces of
transparent plastic, each being a minimum of twenty (20) mils thick.
W. OPERATION AND MAINTENANCE MANUALS
Prepare and deliver four (4) individually bound copies of the Operation and
Maintenance Manual to the City Authorized Rep. at least ten (10) calendar
days prior to acceptance of the work. The Manual shall include descriptive
material of equipment installed and shall be in sufficient detail for
maintenance personnel to understand, operate and maintain all equipment.
Each complete, bound manual shall include the following:
Index sheets stating Contractor's address and telephone number, list
of equipment with names and addresses of local manufacturers
representatives.
Catalog and parts sheets on all material and equipment installed.
Guarantee statement.
Complete operating and maintenance instructions.
X. GUARANTEE
1. Contractor shall guarantee all materials and equipment for one (1) year
from the date of acceptance of the work. Should any trouble develop
within the time specified due to inferior or faulty materials or workmanship,
the Contractor shall be responsible for costs incurred due to repair and
replacement.
2. Sample Guarantee to be provided to City Authorized Rep.:
GUARANTEE FOR IRRIGATION SYSTEM
We hereby guarantee that the irrigation system furnished and installed is
free from defects in materials and workmanship and the work has been
completed in accordance with the contract documents, ordinary wear and
tear and unusual abuse, or neglect excepted. We agree to repair or
replace any defects in material or workmanship which may develop during
the period of one (1) year from date of acceptance and also to repair or
replace any damage resulting from the repairing or replacing of such
defects at no additional cost to the City Authorized Rep. We shall make
such repairs or replacements within a reasonable time after receipt of
written notice from the City Authorized Rep. We authorize the City
Authorized Rep. to proceed to have said repairs or replacements made at
our expense and we will pay the costs and charges therefore upon
demand.
PROJECT:
LOCATION:
Signed:
Contractor
Address:
END OF SECTION
11830 PIERCE ST. UNIT 200
LANDSCAPE .RIVERSIDE, CA 92505
ARCHITECTURE P: 951.582.4058
INC. F: 951.582.4056
PREPARED BY: PETER R. DI LALLO R.L.A. N0. --1211--
. DATE: 04-31-09
DATE:
CITY OF FONTANA, CALIFORNIA
IRRIGATION SPECIFICATIONS
DRAWN BY: SCALE:
TRACT 17027
DM1 "=20'
DESIGNED BY: C M M US N I T , FACILITIES DATE:
DM / ,D I / R I �?/T 08.12.2008
CHECKED BY:
PRD 6.11 /
CIT ENGINEER R.C.E.
APPROVED FOR CONSTRUCTION
/0�� -,0-46
DATE:
PLOT DATE:
DRAWINGNO.: 12
407 0 /2CO
09.29.2008