Technician Information for Brandon O'Brien

First NameBrandon
Last NameO'Brien
Technician ID04860

Associated Labs

Lab NameLab Lab Manager NameFull AddressLab Lab DistrictPage Alias
No results found.

Test Methods

California Test (CT) Certifications

Total 20 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2021-07-162024-07-16ExpiredSarbjit Grewal(No lab)(No comments)
CT 106 Definitions - Specific Gravity (SpG) 2021-03-232022-03-23ExpiredMartiniano Ruiz(No lab)(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2021-07-162024-07-16ExpiredSarbjit Grewal(No lab)(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2021-07-162024-07-16ExpiredSarbjit Grewal(No lab)(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2022-05-202025-05-20ExpiredAvinash Ralla(No lab)(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2022-05-202025-05-20ExpiredBrooke Vanassa(No lab)Did not participate in 2024 CSP CT 202. Please contact CSP@dot.ca.gov for reinstatement instructions.
CT 205 Percent Crushed Particles (JTCP - S&A)2022-05-202025-05-20ExpiredAvinash Ralla(No lab)(No comments)
CT 206 SpG & Absorption - Coarse Aggregates 2021-03-232022-03-23ExpiredMartiniano Ruiz(No lab)(No comments)
CT 207 SpG & Absorption - Fine Aggregates 2021-03-232022-03-23ExpiredMartiniano Ruiz(No lab)(No comments)
CT 211 LA Rattler 2021-03-232022-03-23ExpiredMartiniano Ruiz(No lab)(No comments)
CT 212 Unit Weight of Aggregates 2021-03-242022-03-24ExpiredMartiniano Ruiz(No lab)(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2022-05-202025-05-20ExpiredAvinash Ralla(No lab)(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2022-05-202025-05-20ExpiredAvinash Ralla(No lab)(No comments)
CT 227 Cleanness Value (JTCP - S&A)2022-05-202025-05-20ExpiredAvinash Ralla(No lab)(No comments)
CT 229 Durability (JTCP - S&A)2022-05-202025-05-20ExpiredAvinash Ralla(No lab)(No comments)
CT 234 Uncompacted void - Fine Aggregates 2021-03-232022-03-23ExpiredMartiniano Ruiz(No lab)(No comments)
CT 235 Flat and Elongated Particles 2021-03-242022-03-24ExpiredMartiniano Ruiz(No lab)(No comments)
CT 304 Sample Preparation - HMA 2021-03-252022-03-25ExpiredMartiniano Ruiz(No lab)(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2021-07-162024-07-16ExpiredSarbjit Grewal(No lab)(No comments)
CT 384 Combined Grade for HMA using up to 25% RAP 2021-03-252022-03-25ExpiredMartiniano Ruiz(No lab)(No comments)

AASHTO/ASTM Proficiencies

Total 19 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO T166 Bulk SpG of Compacted HMA - SSD (JTCP - HMA II)2020-11-032021-01-14ExpiredMartiniano Ruiz(No lab)(No comments)
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)2020-11-032021-01-14ExpiredMartiniano Ruiz(No lab)(No comments)
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)2020-11-032021-01-14ExpiredMartiniano Ruiz(No lab)(No comments)
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)2020-11-032021-01-14ExpiredMartiniano Ruiz(No lab)(No comments)
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)2020-11-032021-01-14ExpiredMartiniano Ruiz(No lab)(No comments)
AASHTO T304 Uncompacted Void - Fine Aggregate 2020-11-052021-11-05ExpiredMartiniano Ruiz(No lab)(No comments)
AASHTO T312 Gyratory Compactor 2020-12-032021-12-03ExpiredMartiniano Ruiz(No lab)(No comments)
AASHTO T84 SpG & Absorption - Fine Aggregates 2021-03-232022-03-23ExpiredMartiniano Ruiz(No lab)(No comments)
AASHTO T85 SpG & Absorption - Coarse Aggregates 2021-03-232022-03-23ExpiredMartiniano Ruiz(No lab)(No comments)
AASHTO T324 Hamburg Wheel-Track 2021-03-242022-03-24ExpiredMartiniano Ruiz(No lab)(No comments)
AASHTO T283 Moisture Induced Damage (TSR) 2021-03-252022-03-25ExpiredMartiniano Ruiz(No lab)(No comments)
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)2021-07-162024-07-16ExpiredSarbjit Grewal(No lab)(No comments)
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)2021-07-162024-07-16ExpiredSarbjit Grewal(No lab)(No comments)
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)2021-07-162024-07-16ExpiredSarbjit Grewal(No lab)(No comments)
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)2021-07-162024-07-16ExpiredSarbjit Grewal(No lab)(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)2021-07-162024-07-16ExpiredSarbjit Grewal(No lab)(No comments)
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)2021-07-162024-07-16ExpiredSarbjit Grewal(No lab)(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)2021-07-162024-07-16ExpiredSarbjit Grewal(No lab)(No comments)
AASHTO T335 Percentage of Fracture (JTCP - HMA I)2021-07-162024-07-16ExpiredSarbjit Grewal(No lab)(No comments)