Technician Information for Benjamin Estrada

First NameBenjamin
Last NameEstrada
Technician ID06136

Associated Labs

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

Test Methods

California Test (CT) Certifications

Total 12 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2023-04-212026-04-21ExpiredAvinash Ralla(No lab)(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2023-04-212026-04-21ExpiredAvinash Ralla(No lab)(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2023-04-212026-04-21ExpiredAvinash Ralla(No lab)(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2023-05-192026-05-19ActiveDavid Medina(No lab)(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)InactiveBenjamin Martinez(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)2023-05-192026-05-19ActiveDavid Medina(No lab)(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2023-05-192026-05-19ActiveDavid Medina(No lab)(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2023-05-192026-05-19ActiveDavid Medina(No lab)(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2023-05-192026-05-19ActiveDarrell Valasek(No lab)Expires 3 years from JTCP class date (5/19/23), second written exam given on 6/14/23 by IA 151
CT 227 Cleanness Value (JTCP - S&A)2023-05-192026-05-19ActiveDavid Medina(No lab)(No comments)
CT 229 Durability (JTCP - S&A)2023-05-192026-05-19ActiveDavid Medina(No lab)(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2023-04-212026-04-21ExpiredAvinash Ralla(No lab)(No comments)

AASHTO/ASTM Proficiencies

Total 13 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)2023-04-212026-04-21ExpiredAvinash Ralla(No lab)(No comments)
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)2023-04-212026-04-21ExpiredAvinash Ralla(No lab)(No comments)
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)2023-04-212026-04-21ExpiredAvinash Ralla(No lab)(No comments)
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)2023-04-212026-04-21ExpiredAvinash Ralla(No lab)(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)2023-04-212026-04-21ExpiredAvinash Ralla(No lab)(No comments)
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)2023-04-212026-04-21ExpiredAvinash Ralla(No lab)(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)2023-04-212026-04-21ExpiredAvinash Ralla(No lab)(No comments)
AASHTO T335 Percentage of Fracture (JTCP - HMA I)2023-04-212026-04-21ExpiredAvinash Ralla(No lab)(No comments)
AASHTO T166 Bulk SpG of Compacted HMA - SSD (JTCP - HMA II)2023-04-272026-04-27ExpiredGabriela Lopez(No lab)(No comments)
AASHTO T209 Max SpG and Density - HMA (JTCP - HMA II)2023-04-272026-04-27ExpiredGabriela Lopez(No lab)(No comments)
AASHTO T269 Percent Air Voids - HMA (JTCP - HMA II)2023-04-272026-04-27ExpiredGabriela Lopez(No lab)(No comments)
AASHTO T275 Bulk SpG - HMA (JTCP - HMA II)2023-04-272026-04-27ExpiredGabriela Lopez(No lab)(No comments)
AASHTO T308 AC Content (Ignition Oven) - HMA (JTCP - HMA II)2023-04-272026-04-27ExpiredAvinash Ralla(No lab)(No comments)