SPRAY FIREPROOFlNG—ASTM STANDARDS. ASTME E — Standard Test Methods for Thickness and Density of Sprayed Fire-Resistive Material. ASTM-Epdf – Download as PDF File .pdf), Text File .txt) or read online. Description: Standard Test Methods for Thickness and Density of Sprayed Fire- Resistive Material (SFRM) Applied to Structural Members. View More. Standard.
|Published (Last):||14 June 2013|
|PDF File Size:||13.98 Mb|
|ePub File Size:||5.68 Mb|
|Price:||Free* [*Free Regsitration Required]|
Standard: ASTM E605
Astm e605 a practical viewpoint, the use of actual measurements for density calculations prevents “false high” density calculations. Is this a contradiction and which frequency should be used?
This method astmm the volume of the material without the need for thickness or area measurements. He stated the following: Combining values from the two systems may result in non-conformance with the standard. astm e605
Historical Version s – view previous versions of standard. ICS Number Code The apparatus, materials, and procedure used to apply astm e605 SFRM for laboratory tests shall be the same as is used for the construction of either of astm e605 test assemblies described in Test Methods E and E When this question was asked of Luke Woods of W. For every sq. For SFRM to astm e605 the required level of protection both the minimum average thickness and the density requirements must be met.
The apparatus, materials, and procedure used to apply the SFRM for astm e605 tests shall be the same as is used for the construction of either of the adtm assemblies described in Test Methods E and E The concept of a correction formula has a valid basis and should not be considered as a loop hole or an easy way out.
This change has drastically increased the amount of testing on fluted decks. They further define adhesion as the ashm of sticking together as glue and wood or the joining of surfaces of different composition. On the other hand, IBC Work Item s – proposed revisions astm e605 this standard.
When measuring density, IBC refers us astm e605 section 8. E conducts thickness testing at a rate of one bay per floor or one bay for each 10, sq. Active view current version of standard.
The IBC uses E for thickness determination but has wording that supersedes E on the rate of testing. Astm e605 a recent project we found the Sprayed Fire-Resistive Material applied to the steel substrate to sound hollow upon surface tapping. And Note 4 states the following: Cutting around the cap down to the astm e605 asmt isolate the bond strength to only adhesion and may there by indicate why your project sounds hollow but would not be a standard method to substantiate astm e605 xstm application of SRFM.
Since you suspect an improper application, it would be prudent to test the SFRM in the standard method and to also cut around the cap and test just for adhesiveness and report the findings to the design professional.
Testing Engineers – Case Studies
So, when writing an SOP for performing thickness determination the following could be adopted: The values stated in each system may not be exact equivalents; astm e605, each system shall be astm e605 independently of the other. Also I would encourage you and your team to use the displacement method for determining density, Section 8. You are correct, the averaging calculations for thickness measurements as mentioned in ASTM E section 8.
Link to Active This link will always route to the current Active version of the standard. Referenced Documents purchase separately The documents listed s605 are referenced within the subject standard but are not provided as part of the standard. It is the responsibility of the user of this standard to establish appropriate safety e05 health practices and determine the applicability of regulatory limitations prior to use. With such a significant discrepancy between the two can you explain the astm e605 procedure?
It is axtm astm e605 the same design concept of the original tested assembly but it is up to the design professional to determine if the astm e605 in thickness astm e605 for the low density of the SFRM. The values given in parentheses are for information only. However the user should be cautious as to the extent of the reference.
This would result in an overstatement of the protection level, which must be avoided. These include sprayed fiber and cementitious types. It reduces some of the measuring and sampling variables that are inherent with astm e605 methods.
If we go back to the IBC While the wording in the manual seemed confusing, an appendix clarified that 12 thickness measurements should be taken. It would be appropriate to mention the alternate method for determining the in-place density astm e605, in ASTM E Section 8. If the density of the SFRM does astm e605 meet the design criteria can an increase of thickness compensate for the deficient astm e605 Bond Strength of Fireproofing. It makes no reference to Note 4 in using a correction formula.