Res 2021-134/approving the submittal of the amended 2019 revised Water Conservation and Drought Response Plan to the Texas Water Development Board

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City Code Chapter 14, Buildings and Building Regulations Article 6, Plumbing Code DIVISION 2. WATER CONSERVATION (1) Irrigation plan design and installation shall meet the minimum standards and rules of the Texas Administrative Code. (2) Beginning January 1, 2010, either a licensed irrigator or a licensed irrigation technician as defined by Title 30, Texas Administrative Code, Chapter 30 and required by Chapter 1903 of the Texas Occupations Code, or as defined by Chapter 365, Title 22 of the Texas Administrative Code and required by Chapter 1301 of the Texas Occupations Code, shall be on-site at all times while the landscape irrigation system is being installed. When an irrigator is not onsite, the irrigator shall be responsible for ensuring that a licensed irrigation technician is on-site to supervise the installation of the irrigation system. (3) Completion, maintenance, alteration, repair, or service of irrigation systems shall comply with the landscape irrigation rules promulgated by the Texas Commission on Environmental Quality and contained in Chapter 344, Subchapter A, § 344.1, Subchapter C, §§ 344.30-344.38, Subchapter D, §§ 344.40-344.43 and Subchapters E and F, §§ 344.50-344.65 Texas Administrative Code (effective January 1, 2009), as the same may be from time to time amended. (i) In addition to the requirements under 30 TAC Chapter 344, all new landscape irrigation systems must be designed, installed and operated in accordance with the following requirements: (1) Above -ground emission devices must be attached to lateral lines with flexible pipe or swing joints. (2) Use of shrub risers is prohibited. Surface or subsurface drip irrigation, or low -angle spray heads that direct water to the base of the plant may be used in lieu of shrub risers. (3) Irrigation controllers must be capable of providing multiple irrigation programs, with at least three (3) start times per program. (4) Irrigation controllers must be capable of limiting irrigation frequency to once every seven (7) days and once every fourteen (14) days as per drought restrictions. (5) Irrigation controllers must have a water budgeting feature. (6) Landscape irrigation systems must have a master valve. (7) Zone valves must be equipped with an adjustable flow control. (8) Zone valves must be enclosed in an accessible valve box. (9) Check valves are required where elevation differences may result in low -head drainage. Check valves may be located at the sprinkler head(s) or on the lateral line. (j) All new ICI and multi -family residential landscape irrigation systems must also be designed, installed and operated in accordance with the following requirements: (1) A separate metered water service must be utilized for the landscape irrigation system. M