If flexible sprinkler hose is going to be installed, the following will apply and will be required to be submitted:
NFPA 13 9.2.1.3.3.2 Provide spec sheet for suspended ceiling tile grid showing it meets ASTM C 635.
NFPA 13 9.2.1.3.3.4 * Where flexible sprinkler hose fittings are used to connect sprinklers to branch lines in suspended ceilings, a label limiting relocation of the sprinkler shall be provided on the anchoring component.
An example of language for the label is as follows: CAUTION: DO NOT REMOVE THIS LABEL.Relocation of this device should only be performed by qualified and/or licensed individuals that are aware of the original system design criteria, hydraulic criteria, sprinkler head listing parameters, and knowledge of the state and local codes including NFPA 13 installation standards. Relocation of the device without this knowledge could adversely affect the performance of this fire protection and life safety system.