HomeMy WebLinkAbout2880-101-1
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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
1 1 Piping under existingrydroul
ement may be installed by jacking, boring or hydraulic
driving, except that no ic driving will be permitted under asphaltic concrete
pavement. Where cutting or breaking of existingpavement is necessary, obtain
permission from the Owner before cutting or breakng pavement and then ake all
necessary repairs and replacements to the satisfaction of the. Owner, and at no
additional cost to the Owner.
12. All lines shall hove 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 sholl be considered below sub9 rode)
Pressure mainline 18*
Non -pressure lateral lines 12"
Control wring 1864
R ADJUSTINO AND TESTiNQ THE SYSTEM
1 Contractor shall furnish all equipment, materials and labor to conductp�pelrne
pressure tests, coverage tests and operational tests All tests shall be mode in the
presence of the Owner prior to planting operotions. Trenches shall not be bockfilled
until the pipeline pressure tests have been performed to the satisfaction of the
Owner
2 After completion of pipeline assembly, prior to installation of terminol fittings,
includrn�c 0- not limited to remote control volves and quick coupler valves, entre
syste shall be thoroughly flushed to remove dirt, scale or other deleterious rnoterlol
3 With open ends copy d, prior to installing valves, test pressure supply Ines for six
(�) hours at 156 PSI Center load PVC pipe with o small amount of backfill to
i 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 plonting operations)
5 Coverage test shall demonstrate that each station area is balanced to provide
uniform and adequate coverage
6 Operational test sholl demonstrate the performance and operation of all com onents
of the controller system Remote control valves shall be properly bolonceo heads
ean
adjusted for coverage and system shall be workable, cland efficient
7 Contractor shall be responsible for correcting any portions of the work that are not
properly instolled and retesting until installation hos been accepted by the Owner
S BACKFILLING
1 Backfill material shall be free from large clods, stones, and other objectionable
materials, exceeding three insches (3") in diameter
2 Trenches located under areas where oving or concrete will be installed shoJI be
backfilled with a six inch (6") layer orsond below the pipe and three inchesi (3")
above the pipe, and compacted in accordance with the requirements of the
Earthwork Section
T MATERIALS TO BE FURNISHED
Contractor sholl furnish the Owner the following materials at the end of construction, prior
to the Post-Installotlon Maintenance Period.-
Two
eriod:Two (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 motching hose swivels for each quick coupler valve
installed
One (1) set each approved as -built and record drawings.
Two (2) sets each approved controller chorts.
U AS -BUILT AND RECORD DRAWINGS
1 . Contractor sholl maintain and keep u to date one (1), set of bluelines showing the
"as -built" location of major features or ne project and indicating changes that may
occur during installation.
2. Prior to acceptance of the work, Contractor shall furnish the Owner with one (1) set
of reproducible transparencies as the Record Set showing the os -built data, of a.
quality satisfactory to the Owner. Transfer os -built data in ink (no boll 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 Owner.
4. Contractor shall submit As-built/Record Drawings to Owner for review prior to
completing Controller Charts.
V. CONTROLLER CHARTS
A
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 com feted 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) individual bound copies of the Operation and Maintenance
Manual to the Owner at least ten (1 0) 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:
1 Index sheets statin Contractor's address and telephone number, list of equipment
with names and addresses of local manufacturers representatives.
2 Catalog and ports sheets on oil material and equipment installed.
3 Guarantee statement
A. Complete operating and maintenance instructions
X GUARANTEE
1 Contractor shall guarantee oil materials and equipment for one (1) year from the
dote of acceptance of the work. Should any trouble develop within the time
specified due to inferior or foully materials or workmanship, the Contractor shall be
responsible for costs incurred due to repair and replacement
2 Sample Guarantee to be provided to Owner -
GUARANTEE FOR iRRIGA TION SYSTEM
We hereby guorontee that the irrigation system furnished and installed is free from
defects in moteriols and workmanship and the work hos been completed in
accordance with the contract documents, ordinary wear and tear and unusual
abuse, or n�agbct excepted We agree to repair or reploce orl)
defects in material
or workmanship which may develop during theJomoge
eriod of one year from dote of
acceptance and also to reporr or replace any resulting from the repairing
or replacing of such defects of no additional cost to the Owner. We shall mak
such re irs or replocements within o reasonable time.. after receipt of written notice
from the Owner We authorize the Owner to proceed to have soid re oirs or
replacements mode at our expense and we will pothe costs and charges herefore
upon demand
PROJECT
I OCA TIO .
Signed.-
Contractor
igned.Contractor
Address.
SCAR:
DING. NO
.R �LC.E 25126 EXP OAtE 1112/)11/9
W
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IRRiGATl I 1-*S'TEM - AUTOMATIC
o
c.
A. GENERAL
ment necessary to furnish
1. Contractor shall provide all labor, materials, and equTrowings
and install the irrigation system as indicated on the and as specified
3. Isolation valves shall be designed to permit dismantling to replace sealing
herein.
cam onents without removal of the valve bad from the pipeline
P y e p pe e
2. Coordinate the installation of all irrigation materials with the construction of site
4. Isolation valves shall be installed with operating nuts
omenities and planting
L QUiCK COUPLING VALVES
3. All work on the irriggation system, including h drostatic, coverage, and operational
tests and the bockfilling and compaction o� trenches shall be before
Quick coupling valves shot) be os indicated in the Irrigation Legend on the drawings, or
e9
performed
P
planting operations.
approved equal Contractor shall install quick coupler valves as indicated in the details
oc�
on the drawings and in accordance with manufacturer's recommendations, with a molded
4. Drawings ore diagrommotic and shall be adjusted as necessary to conform to o =tuol
vinyl or thermoplastic rubber locking yellow cover. Coupler keys and hose ells sholl be
of the some manufacturer as the volae.
field conditions. Costs incurred due to any od�ustment for coverage, includingthose
g,
by the Owner location
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requested relative to the of irrigation heads as shown n the
M ANTI -DRAIN VALVES
drawings shall be the responsibility of the Contractor
5. Point of connection P.O.C. and operating pressure P.S.I. sholl be as indicated on
r►� P )
drawi Contractor fy
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 -
the n9 s. sholl ver ti
the loco on or� size of watersource,P 1
PSI,
electrical supply prior to commencin installation. In case of discrepancy,
dram valves shall be line -sized and installed on the riser directly under the Irrigation
Contractor shall immediately notify the �wner
heads in accordance with manufacturer's recommendations
B. QUALITY ASSURANCE
N REMOTE CONTROL VALVES
1 . All local and state laws, rules and regulations governing or relating to any portion
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
of the irrigation system are hereby incorporated into and mode a part of these
specifications- However, if these specifications call for or describe materials,
install remote control valves as indicated in the details on the drawings and .n accordance
workmanship or construction of a better quolity,.,hi6her standard or larger size than
with manufacturer's recommendations
u
is required by the above rules, regulations or requirements, these specifications and
O CONTROLLERS AND WIRING
the drawings shall take precedence
2. in the event any equipment or methods indicated on the drowin s or s ecified
9 P
I Controller shall be of the type and manufacturer as indicated in the Irrigation Legend
on the drawinggs, or approved equal Contractor shall install controller as indicated
herein conflict with applicable regulations, Contractor shall immediately notify the
in the details on the drawings and in accordance with manufacturer's
Owner or Landscape Architect in writing prior to installation In case of
recommendations
discrepancy, Contractor shall immediately notify the Owner.
3. Due to the scale of the drawings, .t is not possible to indicate all offsets, fittings,
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, Tyype U F , 600
sleeves, and related other equipment, which may be required. Contractor shall
carefully investigate the structural and finished conditions affecting the work and
volt Common wire shall be #t 12 AWG Wire shall be PVC insulated of single
conductor type, underground feeder cable, U l approved
install a complete irrigation system within the intent of the drawings and -
g
specifications.
P
3 Aspractical, plot wires shall be a different color for each valve Common wires
4 Manufacturers warranties shall not relieve the Contractor of liability under the
shall be white with a different color stripe for each automatic controller
provisions for guarantees
-4 Wire shall be buried a minimum of e� hteen inches (18" �n depth and whenever
P ossible shall occupythe same trend as the mainline, bundled and secured to
C. MATERIALS LIST
errg tion pipelines at ten foot (10') intervals with plastic electrical tape providing
suff�cient slack for expansion and contraction
1 . Within fifteen (15) calendar days after sword of Contract and prior to installation,
the Contractor shall submit to the Owner a list of materials including the
t t
5 Wire for slope systems shall be installed �n a UVR PVC sleeve laid adjacent to the
P y i
manufacturer, description, model number and installation data
on -grade pipes
2 Equipment or mote{ iols installed or furnished without prior acceptance may be
6 Provide a separate ground wire for each controller
rejected and such materials .removed from the site at the Contractor's expense.
7 An expansion curl shall be .provided within three feet (3') of each wire connection
D. PRODUCT DELIVERY, STORAGE AND HANDLING
and change of direction, and at least every 100 feet of wire length on longer runs'
Contractor shall exercise core in handling, loading, unloading and storing of irrigation
8 AllsP laces shall be made with Scotch -Lok #3576 Connector Sealing Pocks. Rain Bird
materials and a ui mens
q P
Pen- ate, 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
E PLASTIC PIPE
in pull boxes set one inch' (1 ") above finish grade
1 . Plastic pipe, where indicated on the drawings, shall be injection molded, rigid;
9 Field splices between the controller and remote control valves will not be permuted
unplasticized polyvinyl chloride (PVC); NSF appproved, of high tensile strength;
chemical resistant and impact strength, and depending on class and grade, conform
10 Install a spare control wire of a different color along entire ma►niine- loo thirty-six
g P'
to ASTM 2241 or ASTM D-1 785
inches (36) excess wire into each single box and into one valve box in each group
of valves
2. Fittings and couplings shall be threaded PVC Schedule 80 conformin to ASTM D-
2462,
P IRRIGATION HEADS
or slidfitting, tapered socket, solvent -weld type, PVC Schedule 48 conforming
to ASTM D-2466 or PV Schedule f _
C Sc edu e 80 conforming to ASTM D 2467.
1 Irrigation heads shall be of the manufacturer, size, type, and rate of precipitotion
with the diameter throw, discharge
3. Solvent cement n rimer for rigid P
and P e o g d VC solvent -weld pipe and fittings shall be of
PAPMO
(or radius) of :pressure, and ass ecified to the
9
commercial quality approved, conforming to ASTM D-2564.
Irrigation Legend on the drawings, or approved equal, and stalled as indicated
p
.n the details on the drawings and .n accordance with manufacturer's
F BRASS PIPE
recommendations
1 Brass pipe, where indicated on the drawings, shall be 86% red bross, American
2 Riser units shall be oriented perpendicular to the finish grade- with nipples of the
National Standards Institute, Schedule 40 screwed pipe, conforming to Federal
some size as the riser opening in- the irrigation head
Specifications WW -P-351
3 Spacing of heads shall not exceed the maximum shown on the drawings and in no
2' Fittings shall be medium brass, screwed 125 ound close conforming t Federal
P c o g o edero
case exceed the maximum spacing recommended by the manufactur
Specifications WW -P-460.
Q INSTALLATION
G. GALVANIZED PIPE
1 Pipe shall be cut s uore and the ends reamed out to the full inside diameter of the
1 Galvanized t Ii t
steel pipe, where indicated on the drawings, shall be ASA Schedule 40
pipe and thoroughly cleaned of dirt, dust and moisture before installation
mild steel screwed pipe. Fittings shall be medium olvanized screwed beaded
malleable iron. g
2 PVC pipe shall be protected from tool domoge during assembly. Plastic pipe which
has
been nicked, scarred or damaged shall be removed and replaced at the
2. All galvanised pipe and fittings installed below grade shall be painted with two (2)
Contractor's expense
.
coats of Koppers #50 Bitumastic, or approved equal. Pipes may be wrapped with
on approved asphaltic tope.
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 aher solvent -weld joints are
H UVR-PVC PIPE'
completed.
aVR -PVC where indicated on the drawings, shall be ultra -violet resistant, Schedule
pipe,
4. Trenches sholl be. of open vertical construction to appropriate depths as indicated
the drowings herein. PVC be laid
40 PVC Fittings shall be UVR-PVC fittings.
P P g g
on and specified pipe shall on native rade or
certified compacted subgrade, free of rocks or sharp -edged objects and snaked
I. BACKFLOW PREVENTION UNIT
from side to side in the trench to allow for expansion and contraction.
Backflow prevention unit shall be factory assembled and shall be as indicated in the
5. Teflon tape shall be used on all threaded PVC to PVC and on all threaded PVC to
Irrigation legend on the drawings, or approved equal. Contractor sholi install backflow
metal joints.
prevention unit as indicated in the details on the drawings and in accordance with
manufacturer's recommendation.
6. Brass i e and f ittin s shall be assembled Teflon dope, applied to the male
threads only.gus-Ing P PP
J. VALVE BOXES
7 Galvanized pipe threads shall be cut with clean, sharp dies, conforming to
1 Gate valves and remote control valves, except for onti-siphon valves shall be
American Standards Association Specification. Male pipe threads sho.11 be coated
installed below grade as indicated in the details on the drawings, in lockable valve
with a nor}toxic, non -hardening, non -corrosive joint compound.
boxes manufactured by Brooks, Fraser, Ametek, or approved equal. -
8. Galvanized pipe or ultra -violet resistant UVR PVC installed on rode shall be
pp ( } g
2. Valve box lids shall be green in color. Gate valves shot) be identified b stamping
anchored at intervals not to exceed ten feet (10'), with #4 rebar, with a T hooked
"GV" on the valve box cover Remote control valves shall be identified by stamping
radius.
"RCV" and station number on the valve box cover.
9. Rubber Ring Sea[Joint'
3' Valve boxes shall be set one inch (I" above finish grade, with valves set at
sufficient depth to appropriate clearance between the
factory
provide cover and valve.
a. Use -made male end or prepare field -cut male end to exact
specifications of factory -made end.
K. ISOLATION VALVES
1. Isolation. valves (ball shall be as indicated in the Irrigation Legend- on the drowins,
b. Carefully clean bell or coupling and insert rubber ring without lubricant.
Position ring carefully according to manufacturers recommendations.
ora roved equal. Contractor shall install isolation valves pp q o 0ti n o a ves os indicated to the
details on the drawings and in accordance with manufacturer's recommendation.
C. lubricate male end according to manufacturers recommendations and insert
male end to specified Aepth. Use hands only when inserting PVC pipe".
2. The operating unit shall be line -sized and have any arrow cost in the metal
indicatingg the direction of opening. Valve shall conform to American Water Works
d. Thrust blocks shall be provided where necessaryto resists stem pressure on
Stondar.ds.
rin Lite i and fittings. Blocks shall be concrete and the size shll be based
on on average soil sfe bearing load of 1000q
per s oundsquare foot.
P P
e. Form thrust blocks in such a manner that concrete gomes 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
1 1 Piping under existingrydroul
ement may be installed by jacking, boring or hydraulic
driving, except that no ic driving will be permitted under asphaltic concrete
pavement. Where cutting or breaking of existingpavement is necessary, obtain
permission from the Owner before cutting or breakng pavement and then ake all
necessary repairs and replacements to the satisfaction of the. Owner, and at no
additional cost to the Owner.
12. All lines shall hove 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 sholl be considered below sub9 rode)
Pressure mainline 18*
Non -pressure lateral lines 12"
Control wring 1864
R ADJUSTINO AND TESTiNQ THE SYSTEM
1 Contractor shall furnish all equipment, materials and labor to conductp�pelrne
pressure tests, coverage tests and operational tests All tests shall be mode in the
presence of the Owner prior to planting operotions. Trenches shall not be bockfilled
until the pipeline pressure tests have been performed to the satisfaction of the
Owner
2 After completion of pipeline assembly, prior to installation of terminol fittings,
includrn�c 0- not limited to remote control volves and quick coupler valves, entre
syste shall be thoroughly flushed to remove dirt, scale or other deleterious rnoterlol
3 With open ends copy d, prior to installing valves, test pressure supply Ines for six
(�) hours at 156 PSI Center load PVC pipe with o small amount of backfill to
i 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 plonting operations)
5 Coverage test shall demonstrate that each station area is balanced to provide
uniform and adequate coverage
6 Operational test sholl demonstrate the performance and operation of all com onents
of the controller system Remote control valves shall be properly bolonceo heads
ean
adjusted for coverage and system shall be workable, cland efficient
7 Contractor shall be responsible for correcting any portions of the work that are not
properly instolled and retesting until installation hos been accepted by the Owner
S BACKFILLING
1 Backfill material shall be free from large clods, stones, and other objectionable
materials, exceeding three insches (3") in diameter
2 Trenches located under areas where oving or concrete will be installed shoJI be
backfilled with a six inch (6") layer orsond below the pipe and three inchesi (3")
above the pipe, and compacted in accordance with the requirements of the
Earthwork Section
T MATERIALS TO BE FURNISHED
Contractor sholl furnish the Owner the following materials at the end of construction, prior
to the Post-Installotlon Maintenance Period.-
Two
eriod:Two (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 motching hose swivels for each quick coupler valve
installed
One (1) set each approved as -built and record drawings.
Two (2) sets each approved controller chorts.
U AS -BUILT AND RECORD DRAWINGS
1 . Contractor sholl maintain and keep u to date one (1), set of bluelines showing the
"as -built" location of major features or ne project and indicating changes that may
occur during installation.
2. Prior to acceptance of the work, Contractor shall furnish the Owner with one (1) set
of reproducible transparencies as the Record Set showing the os -built data, of a.
quality satisfactory to the Owner. Transfer os -built data in ink (no boll 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 Owner.
4. Contractor shall submit As-built/Record Drawings to Owner for review prior to
completing Controller Charts.
V. CONTROLLER CHARTS
A
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 com feted 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) individual bound copies of the Operation and Maintenance
Manual to the Owner at least ten (1 0) 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:
1 Index sheets statin Contractor's address and telephone number, list of equipment
with names and addresses of local manufacturers representatives.
2 Catalog and ports sheets on oil material and equipment installed.
3 Guarantee statement
A. Complete operating and maintenance instructions
X GUARANTEE
1 Contractor shall guarantee oil materials and equipment for one (1) year from the
dote of acceptance of the work. Should any trouble develop within the time
specified due to inferior or foully materials or workmanship, the Contractor shall be
responsible for costs incurred due to repair and replacement
2 Sample Guarantee to be provided to Owner -
GUARANTEE FOR iRRIGA TION SYSTEM
We hereby guorontee that the irrigation system furnished and installed is free from
defects in moteriols and workmanship and the work hos been completed in
accordance with the contract documents, ordinary wear and tear and unusual
abuse, or n�agbct excepted We agree to repair or reploce orl)
defects in material
or workmanship which may develop during theJomoge
eriod of one year from dote of
acceptance and also to reporr or replace any resulting from the repairing
or replacing of such defects of no additional cost to the Owner. We shall mak
such re irs or replocements within o reasonable time.. after receipt of written notice
from the Owner We authorize the Owner to proceed to have soid re oirs or
replacements mode at our expense and we will pothe costs and charges herefore
upon demand
PROJECT
I OCA TIO .
Signed.-
Contractor
igned.Contractor
Address.
SCAR:
DING. NO
.R �LC.E 25126 EXP OAtE 1112/)11/9
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