Perform a 5-year internal assessment of system piping that is due. If an obstruction is present, this can render the sprinkler system not properly operate in the case of a fire. Tech will need to perform testing in the main entrance. They will not be able to access any other areas of the building due to the walkway width and height of the ceiling. NFPA 25 (14.2.1.1) An assessment of the internal condition of piping shall be conducted at a minimum of every 5 years or in accordance with 14.2.1.2 to inspect for the presence of foreign organic and inorganic material. Perform a 5-year internal inspection of the system check valve of both systems. NFPA 25 (13.4.1.2) Alarm valves and their associated strainers, filters, and restrictions orifices shall be inspected internally every 5 years unless tests indicate a greater frequency is necessary. Perform a 5-year internal inspection of the Fire Department Connection (FDC) check valve. NFPA 25 (13.4.2.1) Check valves shall be inspected in