ASME A112.20.1:2004 pdf free download

ASME A112.20.1:2004 pdf free download.Qualification of lnstallers of High Purity Piping Systems.
ASME A112.20.1 establishes minimum training and performance criteria, identified by industry consensus, for high purity piping system installers. It applies to any individual who installs high purity piping systems, which are typically specified for critical clean applications in the semiconductor, pharmaceutical, biotechnology, chemical, fiber optics, food, and dairy industries.
1.2 Levels of Qualification
This Standard establishes qualification and certification requirements for Levels I through 5 for installers of high purity piping systems for either liquid or gaseous products. The levels are as follows:
(a) Level 1 qualification shall include a minimum of 10 hr of the most current OSI-JA General Safety Training Course or equivalent, and 6 hr of high purity safety and protocol.
(b) Level 2 qualification shall include completion of Level I requirements and an additional 8 hr of practical training in material and component awareness, handling, rigging, storage, tools, and equipment specific to the high purity industry.
(c) Lez’rI 3 qualification shall include completion of Level I and 2 requirements and an additional 16 hr of training in system installation, material end preparation, purging, slope verification, pipe support, and basic material joining in accordance with requirements in appropriate standards referenced in para. 1.3.
(d) Level 4 qualification shall include completion of Levels 1, 2, and 3 requirements and a mandatory four years of documented practical experience (recognized by the ANSI accredited third party certifier) in the piping industry and an additional 24 hr of training in system installation, codes and standards awareness, thermal plastic fusion, welding, brazing, and bending in accordance with the requirements in appropriate standards referenced in para. 1,3 and applicable manufacturer specifications. In addition, the Level 4 High Purity Installer shall be a certified metallic and/or nonmetallic welder in accordance with para. 8.
6.4 Nonmetallic Joining Techniques
The high purity piping system installer shall understand the following nonmetallic joining techniques found in standards referenced in para. 1.3 and appropriate manufacturers certification requirements:
(a) butt fusion
(b) socket fusion
(c) IR-fusion-infrared butt fusion
(d) bead and crevice free fusion process
(e) mechanical connections
(1) flanges
(2) threads
(3) sanitary fittings
(4) unions
(5) flair
(6) compression
(7) metal-to-plastic transition joints
7 CERTIFICATiON OF HIGH PURITY SYSTEM INSTALLERS
7.1 Overview
Certification to this Standard shall be through an ISO/ IEC 17024 ANSI accredited third party certifier. Certification shall include the successful completion of a minimum number of hours of training appropriate for the level of qualification outlined in paras. 1.2 and 7 of this Standard that includes a written and a practical examination covering all facets of this Standard.
7.2 Practical Experience
7.2.1 Level 4. The qualified L.evel 4 high purity piping system installer shall have a minimum of four years of documented practical experience (recognized by the ANSI third party certifier) in the installation of piping systems.
7.2.2 Level 5. The qualified Level 5 high purity piping system installer shall have an additional two years of documented practical experience (recognized by the ANSI third party certifier) in the high purity field.
7.3 Recertification of High Purity Piping System Installers
All levels of high purity installer certification shall be renewed at a minimum of every five years. Recertification shall include a written and practical examination covering all facets of the latest edition of this Standard.
7.4 Metallic Welding Qualifications
Each welding procedure. welder, or welding operator shall be qualified in accordance with Section IX of the ASME Boiler and Pressure Vessel Code, as specified in ASME B31.1 and ASME 631.3. In addition, each orbital welding operator shall qualify separately on the smallest and largest site to be welded in production.