ASME A112.20.1:2004 pdf download

12-17-2022 comment

ASME A112.20.1:2004 pdf download Qualification of Installers of High Purity Piping Systems
1.4 Examiners of High Purity Piping System WeldingNonmandatory Appendix A provides suggestedguidelines for examiners of high purity piping systemwelding
2GENERAL KNOWLEDGE
2.1 Terms and Definitions
The high purity piping system installer shall demon.strate a basic working knowledge of the appropriate andpertinent terms contained in the standards referenced inpara, 1.3 and this Standard.
2.2 Laws,Codes, Rules, Listing Agencies, andRegulations
The high purity piping systems installer shall be ableto identify and demonstrate knowledge of the applicablelaws, codes, rules, listing agencies, and regulations fromthe federal, state, provincial, and local levels recognizedby the Authority Having Jurisdiction relating to highpurity piping installations.
3 PRODUCT PERFORMANCE KNOWLEDGE
3.1 Major Components
The high purity system installer shall be able to listthe parts and identify the major components of highpurity piping systems and equipment.
3.2 Application and Testing
The high purity piping system installer shall be able toidentify and describe the proper application and testingprocedures of high purity piping systems.
4 PRODUCT INSTALLATION KNOWLEDGE4.1 Installation Requirements
The high purity system installer shall be able to under-stand and recognize the proper installation requirements for the high purity systems pertaining to
(a) high purity system component manufacturer recommendations
(b) ventilation and accessibility requirements for nonmetallic welding procedures
(c) Code requirements(d) cleanliness in handling high purity piping components and system cleanliness
(e) safety
4.2 Improper Installations
The high purity piping systems installer shall be ableto recognize and identify improprieties in high puritypiping systems installation.
SYSTEM AND SYSTEM COMPONENTACCEPTANCE TESTING KNOWLEDGE
5.1 Test Procedures
The high purity system installer shall demonstrate aknowledge of acceptable systems and approved materi-als, proper material handling,proper flushing, cleaningand neutralizing of piping systems, system installationand certification procedures, installer-performed testing, and verification test in accordance with ASME BPEBioprocessing Equipment.
52 Precautions and Safe Practices
The high purity piping system installer shall be ableto describe the precautions and safe practices duringacceptance tests in accordance with OSHA (Occupational Safety and Health Administration) related to
(a) confined spaces safety(b) site notification
(c) shutdown notification
(d) electricity and safety
(e) tool utilization
(f) lockout/tagout of equipment, systems, and components
(g) hazard communication standards (hazcom)
(h) applicable permits
6 ADDITIONAL HIGH PURITY SYSTEMS AND
MATERIAL KNOWLEDGE REQUIRED
6.1 High Purity Gases
The high purity piping system installer shall understand the following terms, common gases, and requirements contained in SEMI F79, SEMI F78, and SEMI E52:
(a) Terms
(1) ceiling limit
(2) control area
(3) controls
(4) cryogenic liquid
(5) density

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