ACR-HS.s1.t02

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(ARC) Standard 1:
Structural Analysis and Damage Repair

ACR-HS.s1.t02 Unibody and Unitized Structure Inspection, Measurement, and Repair

proficiency scale iconProficiency Scale


Students Competencies...

  • Analyze and identify misaligned or damaged steering, suspension, and powertrain mounting points that can cause vibration, steering, and chassis alignment problems.
  • Align or replace misaligned or damaged steering, suspension, and powertrain mounting points that can cause vibration, steering and chassis alignment problems.
  • Measure and diagnose unibody damage using tram gauge.
  • Measure and diagnose unibody vehicles using a dedicated (fixture) measuring system.
  • Diagnose and measure unibody vehicles using a three-dimensional measuring system (mechanical, electronic, and laser, etc.).
  • Determine the extent of the direct and indirect damage and the direction of impact; plan and document the methods and sequence of repair.
  • Attach anchoring devices to vehicle; remove or reposition components as necessary.
  • Straighten and align roof rails/headers and roof panels.
  • Straighten and align rocker panels and pillars.
  • Straighten and align vehicle openings and floor pans.
  • Straighten and align quarter panels, wheelhouse assemblies, and rear body sections (including rails and suspension/powertrain mounting points).
  • Straighten and align front-end sections (aprons, strut towers, upper and lower rails, steering, and suspension/power train mounting points, etc.).
  • Identify substrate and repair or replacement recommendations.
  • Identify proper cold stress relief methods.
  • Repair damage using power tools and hand tools to restore proper contours and dimensions.
  • Determine sectioning procedures of a steel body structure.
  • Remove and replace damaged structural components.
  • Restore corrosion protection to repaired or replaced structural areas, and anchoring locations.
  • Determine the extent of damage to aluminum structural components; repair, weld, or replace.
  • Analyze and identify crush/collapse zones.

Proficiency Scale

The student can...
1 Beginning

with help, demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) and some of the more complex ideas and processes (Score 3.0 content).

2 Developing

demonstrates no major errors or omissions regarding the simpler details and processes but exhibits major errors or omissions regarding the more complex ideas and processes (Score 3.0 content).

3 Proficient "The Standard."

demonstrates no major errors or omissions regarding any of the information and processes that were end of instruction expectations.

4 Advanced

demonstrates in-depth inferences and applications regarding more complex material that go beyond end of instruction expectations.

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