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.
Friday, August 7, 2020 1439 hrs. DF: I spoke with Brad Bell with DynaFire regarding the ceiling grid spec sheet. Brad said he will verify with me and if it is ASTM C 1635, email the spec sheet. I also emailed Brad the code reference and said that I will hold the rejecting the permit until COB Monday 08/10/20.
Monday, August 10, 2020 1200 hrs. DF: Received via email from Mr. Bell a copy of USG DONN Brand DX/DXL Acoustical Suspension System meeting ASTM C 635.