City of Frisco Engineering Standards

SECTION 328000
IRRIGATION SYSTEM
PART l - GENERAL
1.01 DESCRIPTION
A. Provide complete Irrigation System as shown on plans as described herein.
1.01 REFERENCES
A. Refer to City of Frisco’s Approved Material List.
1.02 RELATED SECTIONS
A. Section 329223 - Turfgrass Planting
B. Section 329300 - Tree, Shrub, and Groundcover Planting
l.03 QUALITY ASSURANCE
A. Substitutions:
1. Time: Submit substitution request in writing seven (7) days prior to bid opening.
2. Required Submittal Material:
a. Sample proposed substitute sprinkler.
b. Manufacturer's data of sprinkler, discharge rates (GPM), minimum allowable
operating pressure, maximum allowable spacing and distance of throw.
c. Detailed pressure loss computations if proposed differ from those specified.
d. If proposed substitute require a change in head and piping layout as designed, submit
detailed drawings showing design changes and proposed layout.
3. Approval: Approval of proposed substitute will not relieve responsibility for providing a
system that will operate according to intent of originally designed system.
B. Installer:
1. Irrigator licensed in State with 5 years minimum continuous experience installing
systems of this size and complexity must supervise installation.
2. Complete mainline installation with personnel that have successfully installed equipment
and materials as specified on at least three other projects equal in scope.
C. Testing: Perform required testing under observations of Owner. Give 48 hours notice that
such tests are to be conducted.
D. Assembly Procedures:
1. Do not alter design hydraulics by installing additional tees or elbows unless approved by
Owner.
City of Frisco May 2012
Standard Technical Specification Irrigation System 328000-1