Official Course Description: MCCCD Approval: 07/22/08
SUN136 20052-20086	LEC	2 Credit(s)	2 Period(s)
Socket and Butt Weld Pipe Fabrication
Socket and butt weld piping including materials, fittings, and drawings. Methods for determining pipe length and procedures for aligning fittings. Oxyacetylene torch for cutting plate steel, holes and pipe. Pipe end preparation including length determination, backing rings, clamps, alignment tools and procedures. Prerequisites: (Registered apprentice status and ABC152) or permission of the apprenticeship coordinator.

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MCCCD Official Course Competencies:
SUN136   20052-20086	Socket and Butt Weld Pipe Fabrication

1.	Identify and explain types of socket weld piping materials and fittings. (I)
2.	Read and interpret socket weld piping drawings. (II)
3.	Determine pipe lengths between socket weld fittings. (III)
4.	Fabricate socket weld fittings to pipe. (IV)
5.	Identify butt weld piping materials and fittings. (V)
6.	Read and interpret butt weld piping drawings. (VI)
7.	Cut and bevel plate steel using an oxyacetylene torch. VII)
8.	Cut holes and pipe using an oxyacetylene torch. (VII)
9.	Prepare pipe ends for fit-up. (VIII)
10.	Determine pipe lengths between fittings. (IX)
11.	Select and install backing rings. (X)
12.	Use of and care for clamps and alignment tools. (XI)
13.	Perform alignment procedures for specific types of fittings. (XII)

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MCCCD Official Course Outline:
SUN136   20052-20086	Socket and Butt Weld Pipe Fabrication

I. Socket weld piping materials and fittings A. Materials 1. Carbon steel 2. Stainless steel 3. Galvanized pipe B. Sizes 1. Outside diameter 2. Inside diameter 3. Wall thickness 4. Manufacturer's weight C. Common fittings 1. 90 degree elbow 2. Cross 3. Tee 4. 45 degree elbow 5. Coupling 6. Swage D. Miscellaneous fittings 1. Unions 2. Caps 3. Reducers E. Special branch fittings 1. Sockolets 2. Elbolets 3. Atrolets F. Flanges 1. Pressure ratings 2. Installation methods II. Piping drawings A. Types 1. Double-line 2. Single-line 3. Isometric 4. Plan 5. Elevation B. Symbols 1. 90 degree ell 2. 45 degree ell 3. Union 4. Cap 5. Tee 6. Lateral 7. Reducers and swages 8. Ball valves 9. Regular-type, wrench-operated plug valve 10. Hyperseal-type, wrench operated plug valve 11. Gate valve 12. Globe valve 13. Check valve 14. angle valve 15. Motor or control valve C. Line numbers D. Specifications book III. Pipe length determination A. Take-out B. Center-to-end dimensions C. Proper placement D. Method 1. Enter-to-center 2. Center-to-face 3. Face-to-face IV. Socket weld pipe fitting fabrication and alignment A. Cutting pipe B. Preparing pipe and fittings C. Alignment of fittings 1. 90 degree elbow to pipe 2. Squaring pipe into 90 degree elbow 3. Flange to pipe 4. 45 degree elbow to pipe using levels 5. 45 degree elbow to pipe using squares 6. Pipe joined by couplings V. Butt weld piping materials and fittings A. Pipe sizes 1. Outside diameter 2. Inside diameter 3. Wall thickness 4. Manufacturer's weight B. American Society for Testing and Materials (ASTM) identification system C. Materials 1. Carbon steel 2. Stainless steel D. Fittings 1. Elbows and return bends 2. Branch connections 3. Caps 4. Reducers 5. Flanges VI. Butt weld piping drawings A. Types 1. Double-line 2. Single-line 3. Isometric B. Symbols C. Line numbers D. Specifications book VII. Oxyacetylene cutting and beveling A. Cutting equipment B. Setting up equipment 1. Procedure 2. Safety precautions C. Lighting an oxyacetylene torch 1. Procedure 2. Safety precautions D. Cutting 1. Plate steel 2. Holes 3. Pipe E. Beveling plate steel VIII. Pipe ends preparation A. Preparing the edges 1. Chamfering 2. Beveling B. Cleaning the surfaces 1. Grinder inspection 2. Grinder operation IX. Pipe length determination A. Calculating take-out 1. General dimensions 2. Formulas for field calculations B. Spacing between pipes and fittings C. Calculating pipe length methods 1. Center-to-center 2. Center-to-face 3. Face-to-face X. Backing rings A. Purpose B. Common types 1. Type CCC 2. Type CC 3. Type C 4. Plain XI. Clamps and alignment tools A. Alignment devices 1. Angle iron jigs 2. Shop-made aligning dogs 3. Lever-type clamps 4. Hydraulic clamps 5. Chain-type clamps B. Other XII. Alignment procedures A. Internal misalignment B. Proper alignment procedures 1. Straight pipe 2. 45 degree elbow 3. 90 degree elbow 4. 90 degree corner 5. Pipe to flange 6. Pipe to tee

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