Technician Information for Jacob Jansen

First NameJacob
Last NameJansen
Technician ID03851

Associated Labs

Total 1 item.
Lab NameManager NameFull AddressDistrictPage Alias
CT D03 - North Region Materials LaboratoryAddisu Workineh5330 Arboga Road, Olivehurst, CA 959613Lab 1

Test Methods

California Test (CT) Certifications

Total 14 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 206 SpG & Absorption - Coarse Aggregates 2021-06-19ExpiredJackie TreatLab 1(No comments)
CT 207 SpG & Absorption - Fine Aggregates 2021-06-19ExpiredJackie TreatLab 1(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2022-01-11ExpiredRichard HibbardLab 1(No comments)
CT 301 "R" Value 2024-03-03ExpiredHusam MakhoulLab 1(No comments)
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2025-12-02ActiveGabriela LopezLab 1(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2025-12-02InactiveGabriela LopezLab 1Opted out of practical Exam
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2025-12-02ActiveGabriela LopezLab 1(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2025-12-02ActiveGabriela LopezLab 1(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2025-12-02InactiveGabriela LopezLab 1(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2025-12-02ActiveGabriela LopezLab 1(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2025-12-02InactiveGabriela LopezLab 1(No comments)
CT 227 Cleanness Value (JTCP - S&A)2025-12-02InactiveGabriela LopezLab 1(No comments)
CT 229 Durability (JTCP - S&A)2025-12-02InactiveGabriela LopezLab 1Opted out off practical Exam
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2025-12-02InactiveBrooke VanassaLab 1Did not participate in 2024 CSP CT 202. Please contact CSP@dot.ca.gov for reinstatement instructions.

AASHTO/ASTM Proficiencies