Official Course Description: MCCCD Approval: 10/22/96
ABA121 19972-20046	LEC	2 Credit(s)	2 Period(s)
Floor and Wall Systems
Framing systems, floor construction, center beam and post support systems. Construction of sills, joists and bridging. Subflooring, mechanical connectors and the use of prefabricated joists. Wall construction, stud walls, panelized walls, masonry walls, post and beam walls, use of metal studs and drywall construction. Prerequisites: (Indentured status with the Arizona Builders Alliance and ABA120) or permission of the apprenticeship coordinator.

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MCCCD Official Course Competencies:
ABA121   19972-20046	Floor and Wall Systems

1.	Identify and describe types of framing systems. (I)
2.	Explain specific types of sill construction and describe the construction of a center beam and post support system. (II)
3.	Lay out a floor including the sill, joists, bridging and openings. (III)
4.	Identify specific types of bridging and explain the effects of notching and drilling floor joists. (IV)
5.	Describe the types of sub-flooring and how it is applied. (V)
6.	Identify specific types of mechanical connectors and explain how each is installed. (VI)
7.	Describe the use of prefabricated joists in floor construction. (VII)
8.	Describe the construction of exterior and interior walls, including wooden sills, corner posts, studs, window and door openings, partitions, bracing and fire stops. (VIII, IX)
9.	Explain modular framing and describe its advantages. (X)
10.	Describe the installation of furring strips and wood opening frames in a masonry wall. (XI)
11.	Explain the advantages and use of metal studs. (XII)
12.	Describe specific types of wallboard, wallboard fasteners and the installation process. (XIII)

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MCCCD Official Course Outline:
ABA121   19972-20046	Floor and Wall Systems

I. Framing In Wood A. Shrinkage 1. Definition 2. Process 3. Causes 4. Effect on frame selection B. Early brace frame 1. Vertical position 2. Basic construction C. Balloon frame 1. Joints 2. Ribbon D. Modern brace frame 1. Improvements from early brace frame 2. Basic construction E. Platform frame 1. Basic construction 2. Sole plate 3. Top plate F. Plank and beam frame 1. Member size 2. Spacing frequency II. Construction A. Sills 1. Sill plates 2. Placement 3. Anchoring B. Beams 1. Construction 2. Placement C. Posts 1. Wood 2. Brick 3. Screw jacks 4. Lally columns D. Joists 1. Type 2. Installation III. Layout A. Sill plates B. Joists C. Girder beams D. Bridging E. Openings IV. Bridging A. Furring strips B. Solid C. Metal D. Notching and drilling joists 1. Code requirements 2. Limitations V. Subflooring A. Plywood sheets 1. Code requirements 2. Installation B. Tongue-and-groove plywood C. Boards D. Planking E. Other 1. Flake board 2. Chip board 3. Particle board 4. Fiber board F. Nails 1. Sinker 2. Grooved 3. Spiraled VI. Connectors A. Girder anchors B. Post caps 1. Single 2. Twin C. Joist hangers 1. Standard 2. Speed prong 3. UTF (Uniform -Top Floor) 4. Slope/skew 5. Specific skew 6. HU-HUC (Hanger Uniform - Hanger Uniform - Custom) D. Purlin hangers E. Framing hangers VII. Prefabricated Floor Joists A. Advantages 1. Versatile 2. Clear span 3. Quality assurance 4. Strength 5. Ease of installation 6. Light weight 7. Open web design 8. Nailable 9. Durable 10. Available 11. Inspectable 12. Cost B. Types - wood 1. Top chord bearing 2. Bottom chord bearing 3. Mid-depth bearing 4. Intermediate bearing 5. Bottom chord bearing-firewall 6. Continuous ribbon 7. Plywood ribbon C. Steel D. Plywood E. FlorTruss VIII. Wood Construction A. Sills 1. Solid 2. "T" type 3. "L" type B. Corner posts 1. Material 2. Strength C. Studs 1. Spacing 2. Wall layout 3. Installation D. Wall openings 1. Types 2. Trimmer studs 3. Headers 4. Cripples 5. Subsill E. Partition T's 1. Stronger 2. Most common 3. Without corner backing 4. With full backing F. Interior partitions 1. Materials 2. Methods IX. Exterior and Interior Walls A. Door and window 1. Layout plan 2. Measurements 3. Procedures 4. Interior door openings B. Bracing 1. Local codes 2. Methods 3. Rough door openings 4. Rough window openings C. Erection 1. Partial wall 2. Whole wall D. Plumbing 1. Tools 2. Techniques E. Panelized walls 1. Length variations 2. Advantages over site-constructed walls F. Firestops 1. Local codes 2. Horizontal method 3. Angular method X. Modular Framing A. Definitions B. Materials saved C. Strength XI. Masonry Construction A. Wall framing 1. Furring 2. Partition backing B. Window openings 1. Construction methods 2. Measurements C. Door openings 1. Rough bucks 2. Installation XII. Metal Studs A. Advantages 1. Strength 2. Installation time 3. Fireproof B. Types 1. Non-bearing walls 2. Lath and plaster 3. Wide flange C. Accessories 1. Tracks 2. Channels 3. Angles 4. Clips 5. Steel trusses D. Layout XIII. Wallboard A. Edges 1. Tapered 2. Beveled 3. Square 4. Tongue and groove B. Thickness 1. Dimensions 2. Uses 3. Benefits C. Fasteners and adhesives 1. Nails 2. Screws 3. Staples 4. Adhesives D. Application 1. Measuring 2. Cutting 3. Installing

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