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City of Frisco Engineering Standards

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Version 6/19/12<br />

SECTION 328000<br />

IRRIGATION SYSTEM<br />

PART l - GENERAL<br />

1.01 DESCRIPTION<br />

A. Provide complete Irrigation System as shown on plans as described herein.<br />

1.01 REFERENCES<br />

A. Refer to <strong>City</strong> <strong>of</strong> <strong>Frisco</strong>’s Approved Material List.<br />

1.02 RELATED SECTIONS<br />

A. Section 329223 - Turfgrass Planting<br />

B. Section 329300 - Tree, Shrub, and Groundcover Planting<br />

l.03 QUALITY ASSURANCE<br />

A. Substitutions:<br />

1. Time: Submit substitution request in writing seven (7) days prior to bid opening.<br />

2. Required Submittal Material:<br />

a. Sample proposed substitute sprinkler.<br />

b. Manufacturer's data <strong>of</strong> sprinkler, discharge rates (GPM), minimum allowable<br />

operating pressure, maximum allowable spacing and distance <strong>of</strong> throw.<br />

c. Detailed pressure loss computations if proposed differ from those specified.<br />

d. If proposed substitute require a change in head and piping layout as designed, submit<br />

detailed drawings showing design changes and proposed layout.<br />

3. Approval: Approval <strong>of</strong> proposed substitute will not relieve responsibility for providing a<br />

system that will operate according to intent <strong>of</strong> originally designed system.<br />

B. Installer:<br />

1. Irrigator licensed in State with 5 years minimum continuous experience installing<br />

systems <strong>of</strong> this size and complexity must supervise installation.<br />

2. Complete mainline installation with personnel that have successfully installed equipment<br />

and materials as specified on at least three other projects equal in scope.<br />

C. Testing: Perform required testing under observations <strong>of</strong> Owner. Give 48 hours notice that<br />

such tests are to be conducted.<br />

D. Assembly Procedures:<br />

1. Do not alter design hydraulics by installing additional tees or elbows unless approved by<br />

Owner.<br />

<strong>City</strong> <strong>of</strong> <strong>Frisco</strong> May 2012<br />

Standard Technical Specification Irrigation System 328000-1

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