Perform and oversee PWHT of pressure vessels, heat exchangers and piping according to Company, Quality and Customer standards; prepares preheat charts and monitors preheating during welding operations.
Follow oral and written instructions as well as set parameters within a specified range, observe safety regulations and report incidents to management.
Qualifications
Candidates for PWHT Technical Certification should hold four to five years of experience within the industry and should be willing to travel between locations for work. In addition, their technical knowledge must enable them to control heating and cooling rates effectively while their English and Math knowledge should enable them to read instructions and documentation efficiently.
Candidate for this position are accountable for preheating and post-weld heat treatment (PWHT) of various pipes and equipment according to Company, Quality, and Client standards. They prepare heat bands with thermocouples installed for pre-heat of pipe welds before welding operations begin and monitor preheat charts during this process. In addition, they provide documentation (heat treatment temperature charts) to Quality personnel for inclusion into weld packages while selecting appropriate equipment and planning the layout of PWHT processes.
They must also follow oral and written directives given by management as well as perform semi-skilled tasks that come under their purview. Furthermore, they must observe the functioning of PWHT to identify safety hazards, determine any adjustments needed or replacement requirements and keep their work areas and tools tidy and clean.
Experience
Manage and oversee preheating and postweld heat treatment (PWHT) of various pipes and equipment in accordance with Company, Quality, and Client standards. PWHT processes involve specific heating/cooling rates which require specific equipment. PWHT Technicians must have the ability to read and interpret instructions, documentation and engineering drawings as well as select suitable equipment and plan the layout of PWHT processes. Furthermore, they should coordinate with other PWHT Technicians as well as assign resources accordingly. They must also be willing to spend extended periods away from home on behalf of the Company. PWHT technicians play an essential role in controlling heating and cooling cycles of materials used across Power Generation, Oil & Gas, Chemical Mining Aerospace industries as well as others.
Skills
An Electrical Heat Treatment technician (EHTT) is a specialist who uses electric current to subject materials to extreme temperatures for hardening purposes. To be effective at their job, these technicians must possess exceptional technical proficiency as well as read and interpret engineering drawings and documentation correctly.
PWHT technicians need to be adept at communicating effectively with other members of their team and must be comfortable working away from home for extended periods. The position requires strong work ethics as its duties include preheating and postweld heat treatment (PWHT) of pipes and equipment, using both electric and gas processes, including preheating/postweld heat treatments (PWHT) processes. In order to perform their duties successfully, these technicians need a firm grasp of industry standards/procedures/regulations/safety regulations etc.
Important skills of a PWHT technician include being able to work within precise limits with high levels of accuracy, as well as being able to analyze machine operations to identify potential issues, solve complex ones quickly and maintain accurate records and documentation for management and other senior technicians.
Education
PWHT technicians require formal qualifications and certification for this role, typically including English and math skills for controlling heating/cooling rates, reading/comprehending plans/drawings, self-reliance when working away from home for their company, keen interest in heat treatment environments as well as material-specific PWHT capabilities.