i. Check for accumulation of fallen leaves, mud, soil, and weeds at all drainage points throughout the Green roof system. Remove and clean. ii. Check for any blockage or damage of irrigation hose. Inspect the line-flushing valve during irrigation. Replace faulty componentsiii. Check to ensure the pipeline and valve are operating properly without leakage. Perform a general operation test. vi. Check for problems with the drip Emitter Perform a general operation test. v. Check for filter is operating properly Perform a general operation test Vi Check for problems with the irrigation control timer and its solar power panel Perform a general operation test Vii Check to ensure the irrigation timing is set correctly for proper health growth Perform a general operation test