3.4.1 All maintenance and testing shall be performed during the Department’s regular working hours: Monday-Friday 6:30 A.M. – 3:00 P.M. (CST). 3.4.2 SYSTEM ACTIVATION/REACTIVATION 3.4.2.1 Testing shall be performed at a pre-designated time (typically March - April). 3.4.2.2 Turn on point of connection. 3.4.2.3 Close drains and backflow prevention device. Check point of connection for hold of water pressure/leaks (e.g., water or flow meter). 3.4.2.4 Check the operation of zones from the controller. Provide written recommendations on controller programming changes as necessary. Install a new battery. Replace the as-built irrigation system site plan with a new copy. 3.4.2.5 Check sensors (e.g., moisture, rain, temperature, wind). 3.4.2.6 Turn on all zones. Inspect for needed adjustments. Clean valve filters, head strainers, and adjust spray patterns. 3.4.2.7 Check valves. Adjust flow and pressure as necessary. Check wire connections. Tag/retag valves per the asbuilt irrigation system site plan with Owner’s tags. 3.4.2.8 Check quick coupler valves for leaks and proper operation. 3.4.2.9 Check calibration/recalibration fertigation/chemigation as required, if required. 3.4.2.10 Flush and inspect the beginning, middle, and end of all drip and micro-emitter lines. 3.4.2.11 Activate/re-activate pump(s). 3.4.2.12 Provide written inspection report by location including results of each action, test, check, and inspection listed above to the Springfield Branson National Airport. 3.4.3 BLACKFLOW PREVENTION DEVICE TEST 3.4.3.1 Testing shall be performed in conjunction with the System Activation/Reactivation testing by an individual certified by the Missouri Department of Natural Resources to perform backflow prevention. 3.4.3.2 Test backflow prevention device test. Shall be performed by a certified backflow prevention assembly testing in accordance with Code of State Regulation 10 CSR 60-11.010 through .030. 3.4.3.3 Provide the results of each action, test, check, and inspection listed above to the Springfield Branson National Airport.
