ENGINEERING TESTING AID II
Essential Job Functions
- Fills with a shovel, lifts onto a pickup truck, and transports bags of soil weighing approximately 90 pounds to the materials lab for analysis.
- Lifts asphalt cores and core barrels, weighing approximately 40 pounds, for asphalt pavement laboratory testing, and conducts field sampling of soils for California Bearing Ratio tests.
- Lifts and shifts the position of 40-pound loaded sieves in the prep room.
- Digs holes 8 inches in diameter and 4 feet deep in firm, dense soil using a manual post-hole digger.
- Prepares samples for testing by identifying, dating, separating, and logging information.
- Tests soil samples for compaction, consolidation, moisture content, shear strength, specific gravity, composition, and bearing value.
- Tests sand and rock samples for grading, abrasion resistance, specific gravity, sand equivalency, and plastic limits.
- Tests paving liquid and emulsified asphalt samples for flash point, viscosity, heat loss, sieve retention, penetration, stripping, softening point, and residue by evaporation.
- Tests asphalt and concrete mixtures for specific gravity, setting time, strength, oil content, and screen analysis.
- Assists in performing the simpler phases of a wide variety of specialized materials tests.
- Assists as a helper on a field crew operating test boring and sampling equipment.
- Records test data, performs computations, and prepares report forms and graphs.
- Operates testing machines and equipment to perform physical tests.
- Performs cleanup and minor maintenance to keep the laboratory and testing equipment clean and in working condition.
- Performs tensile tests on structural steel.
- Performs other duties related to the physical testing of engineering construction materials, as needed.
Requirements
- One year of experience in testing of soils, asphalt and concrete.
- Completion of 15 semester units or 22.5 quarter units in engineering, physical science, mathematics, or public works (i.e., construction inspections; traffic control) from an accredited college or university.
- A valid California Class C Driver License or the ability to utilize an alternative method of transportation when needed to carry out job-related essential functions.
Physical Class
Physical Class 4 – Arduous: This class involves frequent heavy lifting over 25 pounds, often combined with bending, twisting, or working above ground on irregular surfaces. It includes those positions that occasionally demand extraordinary physical activity such as those in Safety positions.
Special Requirement Information
To receive credit for your education, include a legible copy of all relevant documents, including your transcript from an accredited institution, within five (5) calendar days of filing your application. The document should show the field of study, number of units, and the type of unit system used (e.g., semester, quarter), and be in English. If not in English, then translation is required. International degrees must be evaluated for equivalency to U.S. standards and indicate the number of units and unit system. Documents marked as unofficial will not be accepted. For more information on our standards for educational documents, please visit: https://file.lacounty.gov/SDSInter/dhr/070812_PPG123.pdf. If you are unable to attach the required documents with your application, please submit them to PWExams@pw.lacounty.gov within five (5) calendar days of filing your application. When emailing, please indicate your name, the exam name, and the exam number. We do not accept password-protected documents. Ensure documents are unlocked before attaching to your application or sending to the exam analyst.