Grade 12 Manual Metal Arc Welding

Content standard

The learners demonstrate an understanding of the concepts and principles of the fillet welding in carbon steel plates in PA (1F), PC (2F), PF (3F) and PE (4F) positions.

Performance standard

The learners perform fillet welding procedures in carbon steel plates in PA (1F), PC (2F), PF (3F) and PE (4F) positions, following the safety precautions. Inspect visually and compute the service cost based on job requirements.

Learning competencies (8)

• MMAWLD-G12-Q2-01

  Discuss fillet welding in carbon steel plates and the prescribed welding positions; PA (1F), PC (2F), PF (3F) and PE (4F)

• MMAWLD-G12-Q2-02

  Prepare tools, materials and equipment for fillet welding

• MMAWLD-G12-Q2-03

  Perform fillet welding in carbon steel plates PA (1F) position

• MMAWLD-G12-Q2-04

  Perform fillet welding in carbon steel plates in PC (2F) position

• MMAWLD-G12-Q2-05

  Perform fillet welding in carbon steel plates in PF (3F) position

• MMAWLD-G12-Q2-06

  Perform fillet welding in carbon steel plates in PE (4F) position

• MMAWLD-G12-Q2-07

  Perform visual weld inspection

• MMAWLD-G12-Q2-08

  Compute the service cost based on the job requirements

Content standard

The learners demonstrate an understanding of the concepts and principles of the groove welding in carbon steel plates in PA (1G), PC (2G), PF (3G) and PE (4G) positions.

Performance standard

The learners perform groove welding procedures in carbon steel plates in PA (1G), PC (2G), PF (3G) and PE (4G) positions following the safety precautions. Inspect visually and compute the service cost based on job requirements.

Learning competencies (8)

• MMAWLD-G12-Q3-01

  Discuss groove welding in carbon steel plates and the prescribed welding positions; PA (1G), PC (2G), PF (3G) and PE (4G)

• MMAWLD-G12-Q3-02

  Prepare tools, materials and equipment for groove welding carbon steel plates

• MMAWLD-G12-Q3-03

  Perform groove welding in carbon steel plates in PA (1G) position

• MMAWLD-G12-Q3-04

  Perform groove welding in carbon steel plates in PC (2G) position

• MMAWLD-G12-Q3-05

  Perform groove welding in carbon steel plates in a PF (3G) position

• MMAWLD-G12-Q3-06

  Perform groove welding in carbon steel plates in the PE (4G) position

• MMAWLD-G12-Q3-07

  Perform visual weld inspection

• MMAWLD-G12-Q3-08

  Compute the service cost based on the job requirements

Content standard

The learners demonstrate an understanding of the concepts and principles of groove welding in carbon steel pipes in PA (1G), PC (2G), PH (5G) and H-LO45 (6G) positions.

Performance standard

The learners perform groove welding in carbon steel pipes in PA (1G), PC (2G), PH (5G) and H-LO45 (6G) positions following the safety precautions. Inspect visually and compute the service cost based on job requirements.

Learning competencies (8)

• MMAWLD-G12-Q4-01

  Discuss groove welding in carbon steel plates and the prescribed welding positions; PA (1G), PC (2G), PH (5G) and H-LO45 (6G)

• MMAWLD-G12-Q4-02

  Prepare tools, materials and equipment for groove welding in carbon steel pipes

• MMAWLD-G12-Q4-03

  Perform groove welding in carbon steel pipes in PA (1G) position

• MMAWLD-G12-Q4-04

  Perform groove welding in carbon steel pipes PC (2G) position

• MMAWLD-G12-Q4-05

  Perform groove welding in carbon steel pipes PH (5G) position

• MMAWLD-G12-Q4-06

  Perform groove welding in carbon steel pipes H-LO45 (6G) position

• MMAWLD-G12-Q4-07

  Perform visual weld inspection

• MMAWLD-G12-Q4-08

  Compute the service cost based on the job requirements