Maricopa Community Colleges  GTC135   19972-20086 
Official Course Description: MCCCD Approval: 07/22/08
GTC135 19972-20086 LEC 3 Credit(s) 3 Period(s)
Asphalt Technician
Safety requirements, reading plans, profiles, sections and survey symbols. Filling out sample tickets and completing sample logs. Performing calculations and inputting and recording data. Using random numbers tables and methods for transporting and handling samples. Performing specific tests procedures, determining reasonableness of results and comparing results to specifications.
Prerequisites: GTC134 or permission of Instructor.
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MCCCD Official Course Competencies:
 
GTC135   19972-20086 Asphalt Technician
1. Explain the Occupational Safety and Health Administration (OSHA), Material Safety Data Sheets (MSDS) and Hazard Communication Standard (HAZCOM). (I)
2. Identify potential hazards on the job and describe specific steps to eliminate them. (II)
3. Demonstrate the ability to read plans, profiles and typical section sheets and specific survey symbols. (III)
4. Explain the concept of random sampling as it relates to asphalt testing, and how to obtain a random sample. (IV)
5. Demonstrate the use of a random numbers table. (V)
6. Describe specific procedures to obtain bituminous samples. (VI)
7. Demonstrate how to properly fill out a sample ticket. (VII)
8. Describe safe and proper methods of transporting and handling asphalt samples. (VIII)
9. Demonstrate the proper procedure for filling out sample logs and perform required calculations. (IX)
10. Describe specific types and purpose of control charts. (X)
11. Perform specific asphalt test procedures with minimal reference to written aids. (XI)
12. Determine reasonableness of results and compare results to specifications. (XII)
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MCCCD Official Course Outline:
 
GTC135   19972-20086 Asphalt Technician
    I. OSHA - MSDS and HAZCOM
        A. OSHA regulations applicable to asphalt testing
        B. MSDS requirements
          1. Labels
          2. Data sheets
        C. HAZCOM communication standards
          1. Information requirements
          2. Training requirements
        D. Impact on asphalt testing
      II. Safety - Field and Laboratory
          A. Safety in the field
            1. Housekeeping
            2. Trenches/excavations
            3. Safety barriers
            4. Protective gear
            5. Drugs and alcohol
            6. Vehicular traffic
            7. Other
          B. Safety in the laboratory
            1. Housekeeping
            2. Chemical spills
            3. Burns and cuts
            4. Proper dress and personal safety gear
            5. Drugs and alcohol
            6. Safety equipment
            7. Disposal of chemicals
            8. Volatile materials
            9. Nuclear gages
            10. Record keeping and reporting
            11. Other
        III. Plans and Typical Sections
            A. Plans layout
              1. Centerline
              2. Station numbers
              3. Structure locations
              4. Pipe locations
              5. Turnout location
              6. Toe of slope
              7. Right of way
              8. Cut section
            B. Profile sheet
              1. Elevations
              2. Vertical curves
              3. Existing groundline
              4. Cuts
              5. Fills
            C. Material information
              1. Section sheet
              2. Specifications
          IV. Random Sampling
              A. Definition
              B. Random number tables
              C. Computer generated random numbers
              D. Stratified random sampling
            V. Random Number Tables
                A. Random entry
                B. Longitudinal and transverse positions
                C. Calculations
                D. Determine locations
                E. Draw lot plot
              VI. Obtaining Samples of Bituminous Mixtures
                  A. Plant mixed bituminous
                    1. Materials required
                    2. Procedure
                  B. Asphaltic concrete friction course - procedure
                  C. Finished pavement - procedure
                  D. Road-mixed bituminous mixtures - procedure
                  E. Miscellaneous placement of bituminous mixtures - procedure
                VII. Sample Tickets
                    A. Instruction - AZ 104b
                    B. Information
                      1. Project code
                      2. Type of material samples
                      3. Purpose of sample
                      4. Testing lab
                      5. Test number
                      6. Name of individual who took
                      7. Date and time sample was taken
                      8. Where sample was taken
                      9. Source of material (supplier)
                      10. Project number
                      11. Clarifying remarks
                    C. Distribution
                  VIII. Handling and Transporting Samples
                      A. Handling precautions
                      B. Transportation requirements
                    IX. Sample Logs
                        A. Sample numbers
                        B. Customer identification numbers
                        C. Date sample received
                        D. Test dates
                        E. Dates results issued
                      X. Control Charts
                          A. Types
                            1. Run (trend)
                            2. Statistical - means and ranges
                          B. Benefits
                            1. Discover problems early
                            2. Decrease inspection frequency
                            3. Basis for altering specification limits
                            4. Lasting record of sample quality
                        XI. Tests
                            A. Sieve analysis - AZ 201c, AASHTO M92, M231 and T248
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Care of sieves
                              5. Sample preparation
                              6. Procedure
                              7. Calculations
                              8. Report
                            B. Percentage of crushed particles in cover materials or mineral aggregate fractured faces - AS 212d
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Procedure
                              5. Calculations
                            C. Total moisture content of aggregate by drying - AASHTO T255
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Procedure
                              5. Calculations
                            D. Flakiness index of aggregate - AZ 233b
                              1. Definition
                              2. Purpose
                              3. Safety
                              4. Materials
                              5. Sample preparation
                              6. Procedure
                              7. Calculations
                              8. Report
                            E. Particle shape and texture of fine aggregate using uncompacted void content - AZ 247
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Equipment calibration
                              5. Sample preparation
                              6. Procedure
                              7. Calculations
                            F. Preparing, splitting and testing of bituminous mixtures AZ 416c
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Sample prep
                              5. Procedure
                            G. Bitumen content of bituminous mixtures by vacuum extraction - AZ 402c
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Sample preparation
                              5. Procedure
                              6. Calculations
                            H. Maximum theoretical specific gravity of field produced bituminous mixtures - AZ 417b, AASHTO T209
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Calibrations
                              5. Sample preparation
                              6. Procedure
                              7. Fan drying
                              8. Calculations
                              9. Record
                            I. Compaction and testing of bituminous mixtures with marshall apparatus - AZ 410b, AASHTO T245
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Procedure
                              5. Specimen testing
                              6. Report
                            J. Moisture content of bituminous mixtures - AZ 406c
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Procedure
                              5. Calculations
                            K. Bulk specific gravity of compacted bituminous mixtures - AZ 415b, AASHTO T166
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Sample size
                              5. Procedure - method A
                              6. Calculations
                              7. Procedure - method B
                              8. Calculations
                              9. Procedure - method C
                              10. Calculations
                            L. Determination of asphalt retained in bituminous mixtures - AZ 407d
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Sample
                              5. Procedure
                              6. Calculations
                              7. Repeatability
                            M. Determination of voids in compacted bituminous mixtures - AZ 424
                              1. Purpose
                              2. Safety
                              3. Air voids from rice test
                              4. Voids relationships
                              5. Report
                            N. Plastic fines in graded aggregates and soils by use of the sand equivalent test - AASHTO T176
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Sample prep
                              5. Procedure
                              6. Calculations
                              7. Notes
                            O. Asphalt cement content of asphaltic concrete mixtures by the nuclear method - AZ 421 (interim) DEMONSTRATION ONLY
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Precautions
                              5. Samples
                              6. Equipment calibration
                              7. Procedure - laboratory calibration test sample
                              8. Procedure - field test sample
                              9. Report
                            P. Density of compacted bituminous mixtures by the nuclear method - AZ 412a DEMONSTRATION ONLY
                              1. Purpose
                              2. Safety
                              3. Materials
                              4. Standardization
                              5. Procedure
                              6. Calculations
                          XII. Evaluation of Results and Comparison to Specifications
                              A. Reasonableness
                              B. Specifications
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