Maricopa Community Colleges  GTC141   19952-20086 
Official Course Description: MCCCD Approval: 07/22/08
GTC141 19952-20086 L+L 3 Credit(s) 3 Period(s)
Qualified Framer IIB
Laying out, cutting and installing ceiling joists, and roof trusses. Estimating material requirements, procedures for roof framing, stair construction, installing doors and windows, porch and deck framing.
Prerequisites: GTC140 or permission of Instructor.
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MCCCD Official Course Competencies:
 
GTC141   19952-20086 Qualified Framer IIB
1. Describe specific procedures and demonstrate laying out, cutting and installing ceiling joists. (I)
2. Explaining the purpose and use of ribbands, strongbacks and backing. (II)
3. Fasten ceiling joists to walls and partitions. (III)
4. Design, layout, set and brace roof trusses. (IV)
5. Describe specific steps involved in estimating ceiling and roof materials requirements. (V)
6. Describe and apply step-by -step procedures for framing roofs. (VI)
7. Perform calculations required for stair layout. (VII)
8. Explain and apply the specific steps involved in laying out, cutting and constructing stair units. (VIII)
9. Describe procedures and install pre-hung doors and windows. (IX)
10. Describe procedures for assembly and install patio and garage doors. (X)
11. Describe and follow step-by-step procedures for porch and deck framing. (XI)
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MCCCD Official Course Outline:
 
GTC141   19952-20086 Qualified Framer IIB
    I. Ceiling joist - procedures
        A. Layout
        B. Cutting
        C. Installation
      II. Ribbands, strong backs and backing
          A. Purpose
          B. Installation procedures
        III. Fastening joists
            A. Nailing
            B. Blocking
          IV. Roof trusses
              A. Components
                1. Top and bottom chords
                2. Webbing
                3. Gusset plates
              B. Types
                1. King-post
                2. W (Fink truss)
                3. Scissors
                4. Queen-post
                5. Fan
                6. Hip
                7. Other
              C. Principles
                1. Engineered structural frame
                2. Load carried by outside walls
              D. Prefabricated
              E. Job built
              F. Design factors
                1. Slope
                2. Span
                3. Live load
                4. Dead load
                5. Wind stress
              G. Layout
              H. Installation
                1. Lifting
                2. Positioning
                3. Bracing
            V. Material estimation- ceiling and roofs
                A. Rafters
                  1. Line length
                  2. Rise
                  3. Run
                  4. Span
                  5. Overhang
                  6. Rafter tables
                B. Sheathing
                  1. Plywood
                  2. Insulation board
                  3. Conventional boards
                C. Roofing materials
                  1. Wood shingles
                  2. Asphalt shingles
              VI. Roofing framing
                  A. Types of roofs
                    1. Shed
                    2. gable
                    3. Hip
                    4. Gambrel
                    5. Mansard
                    6. Flat
                    7. Intersecting
                  B. Layout
                    1. Span
                    2. Run
                    3. Rise
                  C. Structural Factors
                    1. Dead load
                    2. Live load
                    3. Allowable span
                  D. Gable roofs
                    1. Laying out common rafters
                    2. Marking wall plates
                    3. Cutting and marking ridge board
                    4. Cutting common rafters
                    5. Placing ridge board and common rafters
                    6. Cutting common rafter overhang
                    7. Framing gable end overhang
                    8. Cutting and placing gables studs
                    9. Placing purlins and collar ties
                  E. Gambrel roofs
                    1. Laying out common rafters
                    2. Construction
                  F. Shed roofs
                    1. Rafter layout
                    2. Construction
                  G. Dormers
                    1. Gable
                    2. Shed
                  H. Hip roofs
                    1. Calculating length of hip rafters
                    2. laying out hip rafters
                    3. Backing/dropping hip rafters
                    4. Hip jack rafters
                    5. Roof construction
                  I. Intersecting roofs
                    1. Equal vs. unequal spans
                    2. Valley rafters
                    3. Valley jack rafters
                    4. Hip- valley cripple jack rafter
                    5. Valley cripple jack rafter
                    6. Roof construction
                VII. Stair layout- calculations
                    A. Riser heights
                    B. Tread width
                    C. Tread and riser combinations
                    D. Rise
                    E. Run
                  VIII. Stair construction
                      A. Components
                        1. Handrail
                        2. Closed and open stringers
                        3. Newel post
                        4. Tread
                        5. Riser
                        6. Nosing
                        7. Baluster
                        8. Other
                      B. Stringer layout
                        1. Tread and riser calculations
                        2. Story pole
                        3. Marking treads and risers
                        4. dropping the stringer
                        5. Attaching the stringer
                      C. interior stairways
                        1. Width
                        2. Handrail
                        3. Landings
                        4. Head room
                        5. Stairwell opening
                        6. Straight-flight stairways
                        7. Stairways with winders
                      D. Prefabricated stairways
                      E. Exterior stairways
                        1. Concrete base
                        2. Tread and riser design
                    IX. Installing prehung doors and windows
                        A. Windows units
                          1. Components
                          2. Types
                          3. Installation
                        B. Exterior door unit
                          1. Types
                          2. installation
                      X. Installation patio and garage doors
                          A. Patio doors
                            1. Types
                            2. Installation
                          B. Garage doors
                            1. Types
                            2. Installation
                        XI. Porch and deck framing
                            A. Wood-type
                            B. Fasteners and connectors
                            C. Construction
                              1. Ledger board/header
                              2. Support posts
                              3. Beams
                              4. Joists
                              5. Decking
                              6. Railing
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