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Section 20 - Landscaping

test shall be done to determine that all sprinklers function according to manufacturer’s data.

The Contractor shall replace any sprinklers/emitters not functioning as specified; otherwise

correct system to provide satisfactory performance and retest.

The controller shall be tested in the automatic, semi-automatic, and manual operation

20-5.04 Installation

Foreign material shall be prevented from entering the irrigation system during installation.

Immediately prior to assembling, all pipes, valves, and fittings shall be cleaned. All unattached

ends of pipe, fittings, and valves shall be plugged or capped pending attachment of additional

pipe or fittings. All lines shall be thoroughly flushed out prior to attachment of sprinklers,

emitters, and other terminal fittings. Repair of irrigation systems shall be made within one (1)

Calendar Day after a malfunction or damage to any portion of the system has occurred, unless

otherwise directed by the Agency.

The system shall completely, efficiently and evenly irrigate all areas, and shall be left ready

for operation to the satisfaction of the Agency.

The Contractor shall install the specified pipe, valves fittings, wiring, switches, controls and

appurtenances at the locations shown on the Plans. The irrigation system as shown on the

Plans, except for sprinkler locations, is diagrammatic. The Agency will, or direct the Contractor

to, determine specific locations.

The Contractor shall provide, at the work site, temporary facilities required for the safe and

proper storage of materials, tools, etc. These facilities shall be constructed only in locations

approved by the Agency or as designated on the Plans, and must not interfere with the work of

any other contractor. At such times as the Contractor’s facilities interfere with the proper

installation and completion of the Work, they shall be removed by the Contractor, at the

Contractor’s expense, within three (3) Calendar Days after having been notified by the Agency

that such removal is necessary.

20-5.04.B Irrigation Sleeving

Sleeving for water line crossovers and sprinkler control crossovers shall conform to Section

50-43.18, “Irrigation Sleeving Conduit”, of these Specifications.

Control wire, water supply line or lateral line pipe crossovers shall be installed in conduits or

as shown on the Plans. After completing conduit backfill and prior to performing the pressure

test on a water line crossover, the Contractor shall demonstrate that the water line crossover

can be moved longitudinally within the conduit. Where water line crossovers are installed for

future use, the ends of such crossovers shall be capped immediately after testing. Conduits

shall extend twelve inches (12”) beyond edge of paving unless otherwise noted on the Plans.

The location of each conduit shall be designated by cementing a Type A pavement marker

to the paved shoulder near each end and over the centerline of the conduit using a standard set

type adhesive. Type A pavement markers and adhesive shall conform to the provisions in

Section 85, "Pavement Markers”, of the State Specifications and shall not conflict with existing

markers within the project site.

20-5.04.C Water Line Crossovers

Water line crossovers are supply line or lateral line pipes installed in conduits.

Water line crossovers shall be polyvinyl chloride (PVC) plastic pipe, Class 315 or Schedule

40, with a minimum pressure rating of three hundred fifteen (315) pounds per square inch, and

shall be sized as shown or specified in the Contract .

After completing conduit backfill and prior to performing the pressure test on a water line

crossover, the Contractor shall demonstrate that the water line crossover can be moved