NFPA 1971 AMD 1-2017 Standard on Protective Ensembles for Structural Fire Fighting and Proximity Fire Fighting (Effective Date 09 06 2017).pdf
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1、 Tentative Interim Amendment NFPA1971 Standard on Protective Ensembles for Structural Fire Fighting and Proximity Fire Fighting 2018 Edition Reference: Various Sections TIA 18-1 (SC 17-8-32 / TIA Log #1277) Note: Text of the TIA was issued and approved for incorporation into the document prior to pr
2、inting. 1. Revise 7.13.6 to read as follows: 7.13.6 Hoods with elastic or manually adjustable face openings shall be individually tested for resistance to shrinkage as specified in Section 8.24, Cleaning Shrinkage Resistance Test, and shall slide freely over the top half of the hood measuring device
3、 while in the relaxed state, shall not show any gaps when placed on the lower half of the hood measuring device, and shall not have the measurements made from the top of the hood to the marks at the back and both sides of the hood exhibit shrinkage of more than 5 percent. 2. Add new 7.13.6.1 to read
4、 as follows: 7.13.6.1 Hoods designed to interface with a specific SCBA facepiece shall be individually tested for resistance to shrinkage as specified in Section 8.24, Cleaning Shrinkage Resistance Test, and the overlap of the outer edge of the hood and the specific SCBA facepiece shall not shrink m
5、ore than 5 percent. The measurements from the top of the hood to the marks at the back and both sides of the hood shall not exhibit shrinkage of more than 5 percent. 3. Revise 8.6.16.4 to read as follows: 8.6.16.4 Specimen face openings with elastic or manually adjustable face openings shall be plac
6、ed over a hood measuring device as shown in Figure 8.6.16.4. Specimen face openings in the relaxed state shall slide freely over the top half of the device where the circumference measures 45.6 cm 0.6 cm (18.0 in. 0.25 in.). Specimen face openings shall then be placed around the lower half of the de
7、vice where the circumference measures 54.5 cm 0.6 cm (21.5 in. 0.25 in.). Specimens shall then be visually inspected for gaps between the hood and the measuring device surface. 4. Add new 8.6.16.4.1 to read as follows: 8.6.16.4.1 Specimen hoods with SCBA facepiece openings shall be measured as speci
8、fied in 8.47.5.1 through 8.47.5.3. 5. Revise 8.6.16.11 to read as follows: 8.6.16.11 Observations of the following for specimens with elastic or manually adjustable face openings shall be recorded and reported: (1) The ability of the face opening to slide freely over the top half of the hood measuri
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