City of Frisco Engineering Standards

Engineering Standards
5.3 Reclaimed Water System - General
A. Design criteria for all reclaimed water systems shall comply with TCEQ Chapter 210 (Use of
Reclaimed Water), latest revision. Chapter 210 is included in Part I of Title 30 of the Texas
Administrative Code.
B. Line sizes shall comply with the Reclaimed Water Distribution System Master Plan.
C. Reclaimed water mains shall be sized and extended through the limits of a development to serve
adjacent properties.
5.3.1. Reclaimed Water Main Location
A. Reclaimed water mains shall be located behind the curb outside of street paving.
B. Reclaimed water mains crossing under storm sewers shall follow the same criteria as water mains
in Section 5.1.2A.
5.3.2. Horizontal and Vertical Alignment
A. The horizontal and vertical alignment for the reclaimed water system shall follow the same
criteria as the water system in Section 5.1.2.
5.3.3. Separation Distance between Reclaimed Water and Other Systems
A. The separation distance for the reclaimed water and potable water main shall follow the same
criteria as the water system in Section 5.1.3.
B. The minimum horizontal separation distance between reclaimed water and wastewater mains
shall be 3’ outside to outside, with the reclaimed water main located at or above the wastewater
main.
C. Reclaimed water mains that parallel wastewater mains may be placed in the same benched trench.
D. Reclaimed water mains crossing wastewater mains shall follow the same criteria as water mains
in Section 5.1.3.
5.3.4. Reclaimed Water System Materials
A. Reclaimed water mains shall utilize the same pipe materials as water mains per Section 5.1.6.
B. All reclaimed water main pipe shall be manufactured in purple or encased in purple polyethylene
tubing.
Section 5 – Water & Wastewater Design Requirements May 2012 Page 5-16