HomeMy WebLinkAboutC803.IrrigationSpecificationsPLOT DATE: 7/10/2019 9:22 AMPLOT SCALE: 1:2.5849EDIT DATE: 7/10/2019EDITED BY: JEFFZDRAWING FILE: C:\Users\jeffz\OneDrive - Kenney Machinery Corp\LANDTECH CURRENT FILES\Intuitive Health - Structurepoint\Intuitive Health_irrg.dwg7260 Shadeland Station | Indianapolis, Indiana 46256
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Project Number
CERTIFIED BY
ISSUANCE INDEX
DATE:
PROJECT PHASE:
REVISION SCHEDULE
NO.DESCRIPTION DATE
04/17/2019
DP/ADLS
2018.02759
INDIANAPOLIS
REHABILITATION
INSTITUTE
12325 PENNSYLVANIA ST
CARMEL, INDIANA 46033
WB DEVELOPMENT PARTNERS
4441 W AIRPORT FREEWAY
SUITE 330
IRVING, TEXAS 75062
PHONE: (214) 699-5137
C803
IRRIGATION
SPECIFICATIONS
PLANTING IRRIGATION
32 8400
Issued For Bid32 8400 07/10/2019
PART 1 - GENERAL
1.1 DESCRIPTION OF WORK
A.General.
1.The extents of the landscape irrigation is shown on the drawing.
2.Unless otherwise specified, the plans and specifications are intended to include everything obviously requisite
and necessary for the proper installation and completion of the work, whether or not each necessary item is
mentioned herein. The plans and specifications are intended to be cooperative and any time called for in one
and not the other shall be as binding as if called for in both.
1.2 QUALITY ASSURANCE
A.Manufacturing Qualifications.
1.Provide the landscape irrigation system as a complete unit produced by the manufacturers specified for all
portions of the work including booster-pump, sprinkler heads and nozzles, drip-tubing, valves, pipe circuits,
controllers and rain-sensors. Materials shall be purchased from a local authorized distributor of the specified
products. The products specified for this project were specifically selected for this irrigation system.
B.Installer Qualifications.
1.Acceptable installers per General Conditions of Specifications.
C.Testing.
1.Pressure testing/verification shall be the responsibility of the irrigation contractor.
D.Requirements of Regulatory Agencies.
1.System shall comply with the requirements of state and local codes and ordinances.
2.Electrical devices shall carry Underwriters' Laboratory labels.
1.3 REFERENCES
A.ASTM D2241 - Polyvinyl chloride plastic pipe.
B.ASTM D2564 - Solvent cement for polyvinyl chloride plastic pipe and fittings.
1.4 SUBMITTALS
A.As-Builts.
1.Submit 'As-Built' drawings after Substantial Completion.
2.As-Built drawings shall be blackline prints (2 copies), same size as the original drawings; contractor should also
provide a PDF file of the As-Built.
B.Manufacturer's Data.
1.Submit one combined PDF of manufacturer's specifications and instructions for all materials and products to be
used on the project, prior to beginning work.
1.5 GUARANTEE
A.The Contractor shall furnish a written warranty to the effect that all materials and work furnished under this section
is warranted for at least one year (from date of 'Finish-out'), shall be free from defects and faulty workmanship and
that any defective material or work shall be promptly repaired or replaced without additional cost to the Owner.
1.6 PROJECT/SITE CONDITIONS
A.Protection.
1.Protect structures, streets, curbs, sidewalks, fences, walls, trees and other existing features from damage.
1.7 SEQUENCING/SCHEDULING
A.Irrigation system shall be installed and made operable before any seeding and sodding operations commence in
lawn area. Drip-tubing placement in planting beds should follow planting. Coordinate irrigation installation and final
head placement (height of sprinklers above grade) with contractors doing sodding and planting. In all affected
areas, the ground should be restored to its original grade as existed just before installation began.
1.8 OPERATION AND MAINTENANCE
A.Provide instructions covering full operation, care and maintenance of system and controls. Also provide
manufacturers' parts catalogs.
B.Provide schedule showing length of time each valve is to be open (during May, July and September) to serve as a
guide for the owner in establishing an appropriate 'water-window'.
PART 2 - PRODUCTS
2.1 MATERIALS
A.Automatic Controller.
1.Contractor shall provide and install new controller, as shown on plans (exact location in Mechanical Room to be
determined). Model shall be: RainBird #ESP-LXME or Weathermatic SL1600, each with the appropriate number
of expansion stations/modules to accommodate the number of zones shown on the plan.
2.Wireless rain-freeze sensor (#WR2-RFC for on-site monitoring) shall work in conjunction with Rainbird's
ESP-LXME controller. For the Weathermatic controller, provide and install the wireless #SLW5 which shall work
with the Weathermatic SL1600 controller. Sensor shall be installed within 500 feet of the controller. Mount
sensor in exposed (to rain & sun) location, without any overhanging obstructions. Consult with Owner's
representative to determine location and positioning of unit. Controller needs 120V AC power connection. It is
contractor's responsibility to ensure effective communication between rain-freeze (or weather) sensor and
controller.
B.Controller - Valve Communications.
1.Communication between the controller and the valves shall be accomplished with copper wire with an exterior
jacket which is U.L. listed for direct burial and sprinkler control. The contractor shall be responsible for correct
wire sizing for distance and voltage loss. Use 18 gauge multi-strand wire for zone wires and #14 gauge for
common wire runs. All field connections and splices shall be made in accordance with National Electrical
Code® Articles 300.5 (Underground Installations) and 110.14 (Electrical Connections) using only 3M DBY-6 or
DBR-6 connectors, which are UL listed under "UL 486D-Direct Burial", for wet or damp locations, 600 volts.
C.Valves/Controls.
1.Quick coupling valves.
a.Rain Bird #3-RC, or Hunter #HQ-3 (3/4” body with rubber cover)
b.Supply appropriate matching key and hose ell.
c.All quick coupling valves shall be connected to the mainline by Spears or Lasco 1” triple-elbow swing joints
and placed in valve boxes when outside.
2.Automatic valves: The automatic control valves shall be plastic valves operated by low-power solenoid, normally
closed, manual flow adjustment, as indicated on plans: 1” Rain Bird #100-PGA, or Hunter PGV-101G (when
needed: #150-PGA or PGV-151).
3.Backflow preventer: Febco #825Y-15 provided and installed by Irrigation contractor (shown outside but may be
inside Mechanical Room).
4.Master valves: not used on this system.
D.Valve Enclosure.
1. Control valves and quick-coupling valves shall be enclosed in a fiberglass valve boxes such as Carson's
“Spec Grade” or Rainbird's “VB Series”, or approved equal. Valve boxes are to be filled with a minimum of 6” of
washed gravel below pipe level to insure adequate drainage.
E.Pipe.
1.Main line piping shall be Class 200 polyvinyl chloride (PVC) solvent-weld (1.5”) pipe as manufactured by
Cresline, or other approved equal. Pipe shall carry the N.S.F. seal of approval and meet the following
specifications: ASTM D-2241, SDR 21 or latest revisions. Lateral pipes shall be Class 200 PVC, SDR 21,
solvent-weld pipe.
F.Sleeves.
1.Sleeves shall be twice the nominal size of the pipe to be carried within, unless noted differently. Sleeves for
control wire only shall be 1.5” diameter, placed alongside (or above) each sleeve for the mainline.
2.Under paving and where indicated on drawings, install sleeves as follows: 4” and smaller shall be Schedule 40
PVC (ASTM D-1785). Tape ends of sleeves and mark sleeve locations with above grade stakes with
appropriate annotation, i.e. “irrigation sleeves”. Stakes shall be protected. Do not backfill over sleeve locations
behind back of curbs or along walk edges, until work has been completed.
G.Pipe Fittings.
1.For main and all laterals, PVC fittings shall be solvent weld Schedule 40 standard weight. Attachment shall be
made with both a primer and a solvent cement, as approved by the manufacturer.
H.Sprinkler Heads.
1.Rotors and Spray Heads
1)The spray heads shall be Rain Bird #1804-SAM-PRS and Rain Bird #1812-SAM-PRS, or Hunter
#PROS-04-PR30-CV and #PROS-12-PR30-CV with nozzles as shown in Irrigation Schedule.
2)Rotors shall be Rain Bird #5004 and #3504, or Hunter #PGP and #PGJ. (See 'Schedule' to see where
located.)
I.Sprinkler Risers.
1.Sprinkler heads are to be connected to the laterals by Rainbird SPX Swing-pipe and associated fittings, or
'Funny Pipe' by Irritrol/Toro.
J.Drip Irrigation.
1.Continuously self-flushing, pressure-compensating dripline with internal check-valves, specifically manufactured
for landscape applications. Drip-tubing shall be 17 mm (outside diameter), shall consist of 5/8” (nominal) low
density, linear polyethylene tubing housing internal pressure-compensating, continuously self-flushing, integral
drip emitters with check-valves, and shall have insert fittings made by same manufacturer. The emitters should
have the ability to independently regulate discharge rates, with an output pressure of between 8-50 psi, at a
constant flow. The emitters shall be spaced at 18” and have discharge rates of: 0.61 gallons per hour for
planting areas, utilizing a combination turbulent flow/reduced pressure cell mechanism and a diaphragm to
maintain uniform discharge rates. The emitters shall continuously clean themselves while in operation. In
groundcover and shrub beds, the dripline shall have the 0.60 gph emitters spaced 18” apart, with approximately
18” spacing between rows, providing a precipitation rate of approximately 0.43 inches/hour (applying ¼” of
water in 35 minutes).
2.Rain Bird's #XFCV-06-18 or Netafim #TLCV-6-18 (at 18” rows)
K.Booster Pump.
1.If pressure is less than 72 psi at point-of-connection before backflow preventer, contractor shall provide and
install a Rain Bird #LC750 ¾ hp (or Munro #CP075B) booster-pump package. (For bidding purposes, contractor
shall assume that this booster-pump and pump-start relay will be necessary on both systems.)
L.Manufacturer/Supplier.
1.The materials chosen for the design of the sprinkler system have been specifically referred to by manufacturer,
enabling the Owner to establish the level of quality and performance required by the system design. After award
of contract and prior to beginning work, the contractor shall submit for approval a combined PDF set of the
complete list of materials to be installed. Landscape architect will review submittals and determine if products
are acceptable.
M.Acceptable Manufacturers of Whole-good Products.
1.Rain Bird or Hunter sprinklers and valves only
2.Weathermatic or Rain Bird controller and wireless rain-freeze sensor
PART 3 - EXECUTION
A.WATER SUPPLY
1.Supply to irrigation system shall be from a water supply, as shown on the plans. Backflow preventer will be
provided and installed by irrigation contractor. Irrigation contractor's responsibility begins at the intake end of the
backflow preventer.
B.SYSTEM DESIGN
1.Lay out work as closely as possible to the drawings. The drawings, though carefully drawn, are generally
diagrammatic to the extent that all offsets and fittings are not necessarily shown as they may exist on site.
2.The Contractor shall be responsible for full and complete coverage of irrigated areas as to spacing and
precipitation rates being matched and shall make any necessary adjustments to the system at no additional
charge to the Owner. Head spacing as shown on the drawings is predicated on the water pressure being 35-45
psi at the heads. Head spacing shall not exceed 55 percent of manufacturer's stated diameter. Contractor shall
verify existing working pressure before commencing work. Revisions to the irrigation system must be submitted
to the landscape architect in written form for approval.
C.TRENCHING, BACKFILLING AND COMPACTING
1.Pulling, Excavating and Trenching.
a.Trenching, backfilling and compacting shall be as per Sitework Specifications - Trenching and Backfilling for
utilities.
b.If trenching, trenches shall be made wide enough to allow a minimum of 6 inches between parallel pipe
lines. If pulling, the same lateral distance shall be observed.
2.Minimum Cover.
a.An absolute minimum of 12 inches cover shall be held over laterals. Mains and control wires shall be 18”
(minimum) below finished grade, except where crossing roads/walks. Where crossing under roadways, top
of sleeves shall be 18” below subgrade, which is grade before crushed-stone is laid for paving bed.
3.Backfill.
a.Backfilling and backfill material shall be as per Sitework Specifications. Backfilling shall be done in 6” layers
and compacted after each layer, to prevent excessive settling.
b.Backfilling of trenches containing plastic pipe shall be done when pipe is cool to avoid excessive contraction
in cold weather. Such backfilling can be done in early morning hours or the pipe may be water cooled prior
to backfilling procedures. Re-seed trenched or disturbed areas to match adjacent existing turfgrass.
c.Where pipe is pulled into the ground, slit-domes shall be compacted to original grade after pulling. Re-seed
disturbed areas (slits from pulled pipe) to match adjacent existing turfgrass.
4.Pavements, Walks, Etc.
a.Communication wire must be placed in 1.5” sleeves under pavement, drives and walks, etc.
b.Sleeves required (including for 'Alternate' areas) shall be furnished and installed by the Irrigation Contractor,
unless directed otherwise.
D.INSTALLATION
1.General.
a.Unless otherwise indicated, comply with requirements of the Local Plumbing Code.
b.Install piping, valves, controls and sprinklers in accordance with manufacturer's written instructions.
c.Drip-tubing should be installed so that the tubing is pushed down 2-3” into the soil, and stapled every 36”,
below the top of soil. Mulch will be placed on top of that.
2.Automatic Controllers.
a.Controller shall be wall-mounted in Mechanical Room. Use manufacturer's instructions and template for
installation.
b.Power to the controllers and control wires shall be in EMT tubing or Schedule 80 PVC conduit.
c.Connect remote control valves to controller in a sequence corresponding with station settings, as denoted
on the plan.
d.Communication circuitry shall be run, wherever possible, along with the mainline.
e.A minimum of 24 inches of wire (one 8” diameter loop) shall be left at each valve to provide slack.
3.Piping.
a Provide pipe from approved manufacturer.
b.Pipe may be assembled and welded on the surface.
c.Plastic pipe and fittings shall be solvent welded using solvents and methods as recommended by
manufacturer of the pipe, except where screwed connections are required. Pipe and fittings shall be
thoroughly cleaned of dirt, dust and moisture before applying solvent with a non-synthetic bristle brush.
d.When pipe is pulled into the ground, all PVC pipe shall be solvent welded at least 24 hours before pulling.
e.Make all connections between plastic pipe and metal valves or steel pipe with threaded fittings using plastic
male adapters.
f.Use dielectric fittings at connection where pipes of dissimilar metal are joined.
g.Lay pipe on solid subbase, uniformly sloped without humps or depressions.
h.Trenches (or pulls) shall be snaked, or the pipe snaked, within the trench to allow for expansion and
contraction of pipe.
i.At wall penetrations, pack the opening around pipe with non-shrink grout. At exterior face, leave a perimeter
slot approximately ½” wide by ¾” deep. Fill this slot with backer rod and an acceptable elastomeric sealant.
Repair below grade waterproofing disturbed by this work and make penetration watertight.
j.Install PVC pipe in dry weather when temperature is above 40 degrees F in strict accordance with
manufacturer's instructions. Allow joints to cure at least 24 hours at temperatures above 40 degrees F
before testing, unless otherwise recommended by manufacturer.
4 Sprinkler Heads
a.Install heads at proper grade level as per manufacturer's recommendation.
b.Use only Teflon tape for sealing heads and riser assemblies when required
5 Closing of Pipes and Flushing Lines.
a.Cap or plug openings as soon as lines have been installed to prevent the entrance of materials that would
obstruct the pipe. Leave in place until removal is necessary for completion of the installation. Thoroughly
flush out water lines and before installing heads, valves, and other hydrants.
b.Test in accordance with industry standards and pipe ratings.
c.Upon completion of the testing, the Contractor shall complete assembly and adjust sprinkler heads for
proper distribution.
6 Grounding.
Provide grounding of system components according to manufacturers' recommendations and guidelines. If
booster-pump is needed, pump manufacturer provides explicit details on grounding requirements for
booster-pumps. Controller manufacturers provide recommended grounding requirements and practices for
their controllers. Ensure that controller and booster-pump are grounded according to manufacturers'
specifications. Show locations and include details of grounding on shop-drawing submittals prior to
installation.
E.TESTING
1.Hydrostatic Testing.
a.General Requirements: Perform testing in presence of Owner's Representative. Notify Landscape
Architect not less than 72 hours before start of testing.
b.Procedures of Testing:
1)Center load piping with backfill to prevent arching or slipping under pressure.
2)Apply a continuous and static water pressure of not less than 100 psi after welded plastic joints have
cured not less than 24 hours, with the risers capped, as follows:
a)Test main lines and sub-mains for 2 hours with minimal pressure drop (5%, or to 95 psi).
b)Repair leaks resulting from tests and retest until satisfactory results are obtained. Upon completion
of testing, Contractor shall install sprinkler heads and complete assembly.
2.Performance Test.
a.General Requirements: Notify Landscape Architect, in writing, when the irrigation system is in place and
ready for a performance test. Do not notify Landscape Architect until Irrigation Contractor has thoroughly
observed operation of the irrigation system and found it to be satisfactory. Make adjustments and
corrections in the system, if necessary, during performance testing. If performance test fails and additional
site observations are required by Landscape Architect/ Owners Representative, Irrigation Contractor may be
liable to compensate Landscape Architect/ Owners Representative for those additional observations.
b.Materials and Labor: Provide all items necessary to conduct the performance test.
3.Operational Testing.
a.Perform operational testing after backfill is completed and sprinkler heads are adjusted to final position.
b.Demonstrate to the Owner that system meets coverage requirements and that automatic controls function
properly.
c.Coverage requirements are based on operation of one circuit at a time, unless noted differently.
F.TRAINING
1.Personnel Training.
a.Contractor shall be responsible for the training of as many personnel as the Owner shall deem necessary.
b.Contractor shall be responsible for one closing and one opening of the system during the appropriate times
of the year as part of the training of the Owner's personnel.
c.Contractor training shall include general trouble-shooting and operation of the system with reference to
head, valve and controller operation.
G.SPARE PARTS
1.Submit spare parts as pertains to warranted materials, described by manufacturers' warranties.
2.Provide:
a.Two extra sprinkler heads and one extra control valve of each size and type.
b.One key for quick coupling valves.
c.Owners/operational manuals available on controller, heads, valves and pump (if used).
H.CLEAN UP
1.Remove debris, resulting from work of this Section, from the site.
2.Re-seed trenched or disturbed areas to match adjacent existing turfgrass.
I.ADJUSTMENT
1.After completion of grading, seeding or sodding, if applicable, contractor shall return to the jobsite to perform
any final adjustments to the system, which might be deemed necessary.
2.Maintenance shall include, in addition to initial start-up, one winterization and one Spring start-up the following
year. Re-set heads twice, as directed, if necessary.
END OF SECTION
INDIANAPOLIS
REHABILITATION
HOSPITAL