NFPA 76-2020 Standard for the Fire Protection of Telecommunications Facilities

NFPA 76-2020 Standard for the Fire Protection of Telecommunications Facilities. 8.2.3.6 Spot—wpe smoke detectors within aisle colltainment systems shall be rated I or the intended temperatures of hot aisles witeti installed itt those Iocaiunis. 8.2.3.7 Where aisle containinent systenis are itistalled, the existing suppression and detection sstems shall be esaluated to (It’teriniltr if it is Itrcrssarv to mo(lify them iii order to ntaiulain coiiipliance with the applicable codes and statidaids. 8.2.3.8 Where autolnauc sprinklers are present. and the appli. cation of aisle containment systems or hot air collars creates obstructions to proper olwIation ot sprinkler s sterns, the sprinkler system shall be modified to comply with NFPA 13. 8.2.3.8.1* Sprinkler em modifications shall not be required where all of the following conditions are met: (1 )* An automatic meamis of smoke detection initiates the removal of the obstruction prior to the suppression System operation. (2) Removing the ohstntrtion or portion thereof does not compromise means of egress iwi NFPA 101. (3) The design and installation of memoable obstruction elements comply with 1.4.1.1 and Section 1.6. (4) The releasing devices are listed for the application. (5) The obstructions are removed lOt the entire suppression zone, except where the requirements of 8.2.3. are met. 8.2.3.9 Where gaseous suppression systems are present. they shall be designed to develop the required concentration of agent for the entire volume they serve in accordance with NFPA 2001. 8.2.3.10 11 the aisle containnwnt presents the gaseoLLs suppression sstem, where present, from producing the required design concentrations throughout the entire volume served, the gaseous suppression s%’stem shall be modified to produce the required concentration throughout the volume served. 8.2.3.10.1 Gaseous suppression system modifications shall not be requited where all of the lOllowing conditions are met: 1) * An automatic means of smoke detection initiates the removal of the obsuuction prior to the suppression system operation. (2) Removing the obstruction or portion thereNFPA 76 pdf download.