Sprinkler Repair The dry pendents in the garage are due for testing because they have been in service for 10 years. Approval of replacement will consist of two steps: obtaining the sprinkler heads' measurements. Once the measurements are received, the next step would be to send a quote with the replacements' total cost. NOTE: Cutting the ceiling to obtain measurements is required. The fire sprinkler system control valve is not monitored. The tech will add supervision of the valve. This will prevent tampering with. NFPA 25 (13.3.1.3) Each normally open valve shall be secured utilizing a seal or a lock or shall be electrically supervised in accordance with applicable NFPA standards.