HomeMy WebLinkAbout3161-2810 Irrigotion lines and control wiring shall be installed under poving in seporote PVC
Schedule 40 sleeves. Sleeves shall be installed with the coverage depths as
specified herein
1 1 Piping under existing pavement may be installed by jacking, boring or hydraulic
driving, except that no hydraulic driving will be permitted under aspf�oltic concrete
pavement Where cutting or breaking of existing pavement is necessary, obtain
permission from the Owner before cutting or breaking pavement and then make 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 cleoronce 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 subgrode)
Pressure mainline 18
Non -pressure lateral lines 12"
Control wiring 18"
R ADJUSTING AND TESTINQ 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 Owner prior to planting operations Trenches shall not be backfilled
until the pipeline pressure tests have been performed to the satisfaction of the
Owner
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 XII be thoroughly hushed to remove dirt, scale or other deleterious material
3 With open ends copped, prior to installing valves, test pressure supply Imes for six
(6) hours at 125 PSI Center load PVC pipe with a small amount of backl+ll 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 tF�e 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 properlx balanced heads
adjusted for coverage and system shall be workable clean and eff+c+eni
7 Contractor shall be responsible for correcting anportions of the work that ore not
properly installed and retesting until installation l as been accepted by the Owner
S BACKFILLING
I 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 paving or concrete will be installed shall be
bockiilled with a six inch (6") loyer 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 Owner the following materials at the end of construction pr+or
to the Post-Instollot+on Maintenance Period.
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 'toot (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 keepNe
o date one (1) set of bluelines showing the
"osrbuih" location of major features 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 as -built data, of o.
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
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 leted 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 ) 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:
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e
1 Index sheets stating Contractor's address and telephone number, list of equipment
with names and addresses of local manufacturers representatives
..
2 Catalog and parts sheets on all material and equipment installed
3 Guarantee statement
4 Complete operating and maintenance instructions
X GUARANTEE
1 Contractor shall guarantee all materials and equipment for one (1) year from
date of acceptance of the work. Should any trouble develop within the
specified due to inferior or foulty materials or workmanship, the Contractor sho
responsible for costs incurred due to repair and replacement
2 Sample Guarantee to be provided to Owner
GUARANTEE FOR IRRIGATION SYSTEM
We hereby guarantee shot the irrigation system furnished and installed is free i
defects in moterrols and workmanship and the work hos been complete+
accordance with the contract documents, ordinary wear and tear and unu
abuse, or neglecrt excepted We agree to repair or replace o71)ear
defects in mote
or workmonship which may develop during the period of one yfrom do
occeptonce and also to repair or replace any damage resulting from the repo
or replacing of such defects of no additional cost to the Owner We shall rr
such repairs or replocements within o reasonable time ofte. receipt of written nc
from the Owner We authorize the Owner to proceed to hove said re� it
replacements mode at our expense and we will pay the costs and charges there
upon demand
PROJECT
t OCA TiO
Signed
Contractor
Address.
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IRRIGATION SYSTEM - AUTOMATIC
A. GENERAL
mens necessary to furnish
1. Contractor shall provide all labor, materials, and aquTrowings
and install the irrigation indicated the
3. Isolation valves shall be delignod to permit dismantling to replace sealing
system as on and as specified
components without removal of the valve body from the pipeline
P Y
herein.
4 Isolation valves shall be installed with operating nuts
2. Coordinate the installation of all irrigation materials with the construction of site
amenities and planting
l QUICK COUPLING VALVES
3. All work on the trnytion system, including hxdrostatic, coverage, and operational
Quick coupling valves shall be as indicated in the Irrigation legend on the drawings, or
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tests and the backfilling and compaction of trenches shall be performed before
equal shall install quick coupler valves as indicated in the details
approved IContractor
planting operations.
on the drawings and in occordonce with manufacturer's recommendations, with a molded
4. Drawings are diagrammatic and shall be adjusted as necessary to conform to v :tuol
vinyl or thermoplastic rubber lockingg yellow cover. Coupler keys and hose ells shall be
of the some manufacturer as the valve
field conditions. Costs incurred due to any adjustment for coverse, includingthose
by Owner location
requested the relative to the of irrigation heads as shown on 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.) shall be as indicated on
drawings. Contractor fysource,
Where indicated on the drawings, and as needed for field conditions, anti-droin valves
shall be as indicated in the Irrigation legend on the drawings, or approved equal Anti -
the ng s�ll
vera the bcvtion and size of water r P SI, and
drain valves shall be Ione -sized and installed on the user directly under the irrigation
electrical supply prior to commencin installation In case of discrepancy,
heads in accordance with manufacturer's recommendations
Contractor shall immediately notify the Owner
N REMOTE CONTROL VALVES
B. QUALITY ASSURANCE
Remote control valves shall be solenoid activated, of the type, manufacturer and size as
1 . All local and state laws, rules and regulations governing or relating to any portion
indicated in the Irrigation legend on the drawings, or approved equal Contractor shall
of the irrigation system ore hereby incorporated into and mode a part of these
install remote control valves as indicated in the details on the drawings and in accordance
specifications However, if these specification call for or describe materials,
with manufacturer's recommendations
workmanship or construction of a better quality,.hi&,her standard or largger size than
is required by the above rules, regulations or requirements, these specificotions and
O CONTROLIERS AND WIRING
the drawings shall take precedence
2 In the event any equipment or methods indicated on the drawings or specified
1 Controller shall be of the type and manufacturer as indicated in the Irrigation Legend
on the drawing s, 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 notifythe Owner
2 Connections between the controller and the remote control valves shall be made with
3 Due to the scale of the drawings, it is not possible to indicate all offsets, fittings,
direct burial solid copper wire Control wire shall be # 14 AWG Type U F , 600
sleeves, and related other equipment, which may be required Contractor shall
volt Common wire shall be # 12 AWG Wire shall be PVC insulated of single
carefully investigate the structural and finished conditions affecting the work and
conductor type, underground feeder cable. U l approved
install a complete irrigation system within the intent of the drawings and
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s
■ ecifications
P
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 Manufacturer's warranties shall not relieve the Contractor of liability under the
provisions for guarantees
4 Wire shall be buried a minimum of eihteen inches (18" +n depth and whenever
in
P ossible shall occupythe some trench as the mainline, and secured to
C. MATERIALS LIST
irri anon pipelines at ten foot (10') intervols with plastic electrical tape providing
suftIcient slack for expansion and contraction
1 . Within fifteen '(15) calendar days after award of Centroct and prior to installation
the Contractor shall submit to the Owner a list of materials including the
5 Wire for slope systems shall be installed in a UVR PVC sleeve laid adjacent to the
manufacturer, description, model number and installation data
on -grade pipes
2 Equipment or mate, ials 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 or 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 Allsppices shall be mode with Scotch -Lok #3576 Connector Sealing Pocks Roin Bird
materials and a ui ment
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
unplosticized polyvinyl chloride (PVC), NSF opproved, of high tensile strength,
chemical resistant and impost strength, and depending on Gloss and grade, conform
10 Install a spare control wire of a different color aloe entire mainiine loo thirty-six
g P �
- to ASTM 2241 or ASTM D-1785
inches (36 J 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 conforming to ASTM D-
2464, itting,
P IRRIGATION HEADS
or sl►�f tapered socket, solvent -weld type, PVC Schedule 40 conforming
to ASTM D-2466 or PV Schedule conforming t
C Sc edu e 80 con o ng o ASTM D-2467
1 Irrigation heads shall be of the manufacturer, size, type, and rote of precipitation
with the diameter throw, discharge
3 Solvent cement n
and
rimer for rigid PV v t
e o g d C sol en weld pipe and fittings shall be of
(or radius) of pressure, and as specified in the
commercial quality,
[APMO approved, conforming to ASTM D-2564
Irrigation legend on the drawings, or op
p roved equal, and installed as indicated
in the details on the drawings and
in accordance with manufacturer's
F BRASS PIPE
recommendations
1 Brass pipe, where indicated on the drawings, shall be 86% red brass, 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 exceea the maximum shown on the drawings and in no
2 Fittin s shall medium r r w 1
bebass, screwed ed 25 pound class, conforming to Federal
case exceed the maximum spacing recommended by the manufacture
Speciticotions WW -P-460
Q INSTALLATION
G GALVANIZED PIPE
1 Pipe shall be cur square and the ends reamed out to the full inside diameter of the
� 1 Galvanized steel pi 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 galvanized screwed beaded
malleable iron.
2 PVC pipe shall be protected from tool damege during assembly .Plastic pipe which
has
been nicked, scarred or damaged shall be removed and replaced at the
2. All galvanized pipe and fittings installed below grade shall be pointed with two (2)
Contractor's expense
coats of Koppers #50 Bitumostic, or approved equal. Pipes may be wrapped with
an 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 after solvent -weld joints are
H UVR-PVC PiPE
completed
aVR -PVC pipe, where indicated on the drawings, shall be ultra -violet resistant, Schedule
4 Trenches shall be of open vertical construction to appropriate depths as indicated
40 PVC pipe. Fittings shall be UVR PVC fittings
P P g g
on the drawings and specified herein. PVC pipe shall be laid on native grode 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 shall 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 fittings shall be assembled using Teflon dope, applied to the mole
threads aril g 9 P PP
Y
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 anti -siphon valves shall
American Standards Association Specification. Male pipe threads shall be coated
installed below rade as indicated in the details on the drawings, in lockable vale
9 g, e
with a non-toxic, non -hardening, non -corrosive joint compound.
boxes manufactured by Brooks, Fraser, Ametek, or approved equal
8 Galvanized pipe or ultra -violet resistantUVRde shall be
PVC installed onith ra
(10')
• 2 Valve box lids shall be green in color. Gate valves shall be identified by stumping
anchored at intervals not to exceed ten feet with #4 rebor,
( )� wa "" 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 Seal Joint -
1 Valve boxes shall be set one inch (I" above finish grade, with valves set of
sufficient depth to between the
Use factory
provide appropriate clearance cover and valve.
a: -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 drawin s,
b Carefully clean bell or coupling and insert rubber ring without lubricant.
Position ring carefully according to manufacturers recommendations.
oro roved equal. Contractor shall install isolation vale Indicatedg
PP q es as in the
details on the drawings and in accordance with manufacturer's recommendation.
C. lubricate male end according to manufacturers recommendations and insert
mole end to specified depth. Use hands only when inserting PVC pipe.
2. The operating unit shall be line -sized and hove any arrow cast in the metol
indicating the direction of opening. Valve shall conform to American Water Works
d. Thrust blocks shall be provided where necessaryto resist system pressure on
Standards.
ri tite i and fittings. Blocks shall be concrete and the size shall be based
on vn average soil sfe bearing load of 1000 poundsq
P er square foot. -
e. Form thrust blocks in such a manner that concrete domes in contact only with
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N the fittings. Thrust blocks shall be between solid soil and the fitting.
10 Irrigotion lines and control wiring shall be installed under poving in seporote PVC
Schedule 40 sleeves. Sleeves shall be installed with the coverage depths as
specified herein
1 1 Piping under existing pavement may be installed by jacking, boring or hydraulic
driving, except that no hydraulic driving will be permitted under aspf�oltic concrete
pavement Where cutting or breaking of existing pavement is necessary, obtain
permission from the Owner before cutting or breaking pavement and then make 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 cleoronce 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 subgrode)
Pressure mainline 18
Non -pressure lateral lines 12"
Control wiring 18"
R ADJUSTING AND TESTINQ 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 Owner prior to planting operations Trenches shall not be backfilled
until the pipeline pressure tests have been performed to the satisfaction of the
Owner
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 XII be thoroughly hushed to remove dirt, scale or other deleterious material
3 With open ends copped, prior to installing valves, test pressure supply Imes for six
(6) hours at 125 PSI Center load PVC pipe with a small amount of backl+ll 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 tF�e 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 properlx balanced heads
adjusted for coverage and system shall be workable clean and eff+c+eni
7 Contractor shall be responsible for correcting anportions of the work that ore not
properly installed and retesting until installation l as been accepted by the Owner
S BACKFILLING
I 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 paving or concrete will be installed shall be
bockiilled with a six inch (6") loyer 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 Owner the following materials at the end of construction pr+or
to the Post-Instollot+on Maintenance Period.
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 'toot (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 keepNe
o date one (1) set of bluelines showing the
"osrbuih" location of major features 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 as -built data, of o.
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
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 leted 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 ) 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:
s�
e
1 Index sheets stating Contractor's address and telephone number, list of equipment
with names and addresses of local manufacturers representatives
..
2 Catalog and parts sheets on all material and equipment installed
3 Guarantee statement
4 Complete operating and maintenance instructions
X GUARANTEE
1 Contractor shall guarantee all materials and equipment for one (1) year from
date of acceptance of the work. Should any trouble develop within the
specified due to inferior or foulty materials or workmanship, the Contractor sho
responsible for costs incurred due to repair and replacement
2 Sample Guarantee to be provided to Owner
GUARANTEE FOR IRRIGATION SYSTEM
We hereby guarantee shot the irrigation system furnished and installed is free i
defects in moterrols and workmanship and the work hos been complete+
accordance with the contract documents, ordinary wear and tear and unu
abuse, or neglecrt excepted We agree to repair or replace o71)ear
defects in mote
or workmonship which may develop during the period of one yfrom do
occeptonce and also to repair or replace any damage resulting from the repo
or replacing of such defects of no additional cost to the Owner We shall rr
such repairs or replocements within o reasonable time ofte. receipt of written nc
from the Owner We authorize the Owner to proceed to hove said re� it
replacements mode at our expense and we will pay the costs and charges there
upon demand
PROJECT
t OCA TiO
Signed
Contractor
Address.
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