NCCER Pipefitting Level 4

Issued by NCCER

This individual has demonstrated the ability to: • Interpret symbols used on P&IDs • Explain how control points, coordinates, and elevations are used on P&IDs • Read P&IDs, piping arrangement drawings, and isometric drawings • Calculate offsets using trigonometry, tables, and charts • Lay out and fabricate miter turns, saddles, and supports • Describe thermal expansion and how to accommodate it • Explain how to minimize pipe weld stress • Identify in-line specialties …see more skills below.

Type Validation
Time Hours

Additional Details

Skills

more skills below

Earning Criteria

…skills continued… • Install steam traps • Assemble flared and compression joints using copper tubing • Solder and braze copper tubing and fittings • Lay out and create bends in piping and tubing • Remove, install, and maintain glass-lined piping systems • Explain how to safely hot tap existing piping • Remove and install threaded and flanged valves • Replace valve stem O-rings • Replace bonnet gaskets • Repack a valve • Identify the skills, knowledge, and abilities needed by crew leaders
Completed training through an NCCER Accredited training organization. Successfully demonstrated to an NCCER-certified instructor and/or evaluator the performance task requirements for this level. Successfully completed the course modules and passed the knowledge based examinations.