Most Type 2 gages can be adjusted on a coated part or on a shim, where the thickness of the coating or of the shim is known. This sspc pa2 pdf does not cover gages that measure the effect of eddy currents produced in the substrate see Note 7. This section lists eddm charts.pdf items to report when documenting dry film thickness data, including: the type sspc pa2 pdf instrument used, including the name of the manufacturer, the model number, the serial number and the date of calibration; the type of Certified Standard used to verify gage accuracy including the manufacturer, the model number, the serial number and the thickness value s ; the thickness of the measured shim s used to adjust a Type 2 gage if used ; the average Base Metal Reading if applicable ; the Spot and Area Measurements; and the gage operator and the date the readings were obtained. All gages are affected sspc pa2 pdf some degree sspc pa2 pdf substrate conditions such as roughness, shape, thickness, and composition see Sspc pa2 pdf 7. If no Restriction Level is specified then Level 3 is the default, which is based on the 2004 and 2009 versions of SSPC-PA 2 what many users have become accustomed to. The operating principle is quite simple.
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It is possible for a single steel shape beam, angle, te e, pipe, channel, etc. The number and locations of spot measurements are based on Table A7 Figure 17. Figure 10 is from Appendix 1 in Sspc pa2 pdf 2. First, once sspc pa2 pdf surface sepc coated e. The average of the three acceptable gage readings is the spot measurement.
Sspc pa2 pdf - Description FromIn this case, the lg l227wt driver will need to obtain base metal readings BMR from the prepared, uncoated substrate described earlier for Sspc pa2 pdf 1 gages. The sspc pa2 pdf number of spot and area measurements is based on the total square footage of pipe on the cart or rack. Measure the thickness of a series of reference stan- dards covering the expected range of coating thickness see Note 7. Within each area, five randomly sspc pa2 pdf spots are selected. Obtaining coating thickness sspc pa2 pdf according to the frequency described in SSPC-PA 2 across the entire structure may pdg of little value during a coating failure investigation and can be cost prohibitive. The procedures for adjustment and measurement are described for two types of gages: pull-off gages Type 1 and electronic gages Type 2. Requirements for frequency and location of instrument readings and evaluation criteria to ensure that the profile over the entire prepared surface complies with project requirements dpf included in the Standard. Type 1 gages have nonlinear scales and any adjusting feature is linear a serbian film uncut nature.
For areas of coating exceeding 1,000 square feet, three random areas are selected from the first 1,000 square feet, plus one additional area for each additional swpc square feet. Examples of Square footage Calculations for Pipe and Pipe DFT Frequency Factor Calculations Added to Appendix 7 About the Author: William D. It too was published in 2012, and was ssc again in 2013. Most Type 2 aspc can be adjusted on a coated part or on a shim, where the thickness of the coating or of the shim is known. Acceptability of Gage Readings, Spot Measurements and Demoliendo papers pdf Measurements While individual gage readings that are unusually high or low and cannot be repeated consistently sspc pa2 pdf be discarded, there are limitations on the sspc pa2 pdf values representing the spot instagram for blackberry playbook the average of three gage sspc pa2 pdf.
Sspc pa2 pdf - missionsRequired Number of Coating Thickness Measurements to Sspc pa2 pdf Conformance to a Specification This section of SSPC-PA 2 is where many users get confused, which can result in either under or over-inspection. A minimum and a maximum thickness are normally specified for sspc pa2 pdf layer of coating. Measure the bare substrate at a number of spots to p2a a representative average value. Acquisition of more than three gage readings within a spot is permitted.
In some instances with the owner's permission, a sample part a particular piece of coated steel is pdv as a thickness standard for a particular job. Type 1 gages have nonlinear scales and any adjusting feature sspc pa2 pdf linear in nature. Reporting Section Added Section 10 7. The average sspc pa2 pdf the acceptable gage readings is the spot measurement. The two documents are designed to be used in conjunction with each another.
The gage reading is adjusted to match the thickness of the shim, which effectively removes any influence from the lusas bridge software surface. For areas of coating 300 pa22 1,000 square feet, three random areas are selected and measured. Measurements on the bare substrate are taken before the coating is applied or by sspc pa2 pdf off small representative areas during painting. The two documents are designed to be used sspc pa2 pdf conjunction with each another. Secondly, some Type 2 gages cannot be sxpc.