Maricopa Community Colleges  CON203   19964-20046 
Official Course Description: MCCCD Approval: 04/23/96
CON203 19964-20046 LEC 1 Credit(s) 1 Period(s)
Residential and Commercial Layout
Using the engineer's transit, reading survey maps taking site elevations and establishing grades. Calculating cuts and fills. Laying out and leveling building foundations. Calculating costs. Laying out special projects. Prerequisites: (Indentured status with the Arizona Concrete Contractors Association and CON102 and CON103) or permission of the apprenticeship coordinator.
Go to Competencies    Go to Outline
 
MCCCD Official Course Competencies:
 
CON203   19964-20046 Residential and Commercial Layout
1. Describe the component parts and setup procedures for an engineer's transit. (I)
2. Explain procedures for reading survey maps and describe how to locate a specific building on the lot. (II)
3. Describe a builder's level and explain how to take site elevations. (III)
4. Describe the procedure for establishing grades on a building site. (IV)
5. Perform calculations for cuts and fills. (V)
6. Describe procedures for laying out a building foundation and perform the necessary calculations. (VI)
7. Perform calculations to determine the elevation of footers and forms. (VII)
8. Describe procedures for constructing and leveling a building foundation and complete a cost estimate worksheet. (VIII)
9. Explain procedures for laying out a circular stair. (IX)
10. Perform calculations to layout curved room corners and round, pentagonal, hexagonal and octagonal patios. (X)
Go to Description    Go to top of Competencies
 
MCCCD Official Course Outline:
 
CON203   19964-20046 Residential and Commercial Layout
    I. Engineer's transit
        A. Component parts
          1. telescope
          2. leveling vial
          3. circle
          4. optical plummet
        B. Level tube sensitivity
        C. Transit setup
          1. tripod
          2. leveling
      II. Survey maps
          A. Contour lines
          B. Compass bearings
            1. property lines
            2. bearings to azimuths
            3. curved lines
            4. bearings to interior angles
          C. Building location
            1. foundation plan
            2. plot plan
        III. Site elevations
            A. Builder's level
              1. dumpy
              2. transit
              3. automatic
            B. Taking elevations
              1. bench marks
              2. rod readings
              3. turning points
            C. Conversion charts
          IV. Establishing grades
              A. Establishing floor elevation
                1. basement floor
                2. finished floors
              B. Driveway grades
              C. Floor alignment in new additions
            V. Cuts and fills
                A. Calculations
                  1. cuts
                  2. fills
                B. Determining excavation quantities
              VI. Foundation layouts
                  A. Horizontal measurements on steep slopes
                    1. measuring techniques
                    2. calculating slope distance
                  B. Mathematics for foundation layouts
                    1. decimal equivalents
                    2. Pythagorean theorem
                    3. sines, cosines and tangents
                  C. Diagonals
                  D. Layout
                    1. small rectangles method
                    2. acute angle method
                VII. Elevations for footers and forms
                    A. Calculations for footer elevation
                    B. Formwork
                    C. Stepped footers
                    D. Stepped footer forms
                    E. Estimating footer costs
                      1. materials
                      2. labor
                  VIII. Foundation construction and leveling
                      A. Batter boards
                      B. Leveling foundation walls
                        1. story pole method
                        2. central leveling points method
                        3. checking cap blocks
                      C. Cost estimating
                        1. materials
                        2. labor
                    IX. Circular stairs
                        A. Layout
                          1. tread and riser dimensions
                          2. calculating radii of long and short arcs
                        B. Construction
                      X. Special layout problems
                          A. Curved room corners
                          B. Patios
                            1. round
                            2. pentagonal
                            3. hexagonal
                            4. octagonal
                      Go to Description    Go to top of Competencies    Go to top of Outline