SIAD: Certificates for Cuong "Johnny" Do
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Certificates for Cuong "Johnny" Do

Basic Information

First NameCuong "Johnny"
Last NameDo
StatusActive

Associated Labs

Total 2 items.
Lab NameManager NameFull AddressDistrictPage Alias
D12 HB Materials Testing LaboratoryChad Claxton19601 Beach Boulevard, Huntington Beach, CA 9264812Lab 1
CT D12 - Field InspectionFrank Mai19601 Beach Boulevard, Huntington Beach, CA 9264812Lab 2

Test Methods

California Test (CT) Certifications

Total 27 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2026-12-15ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2026-12-15ActiveFirooz Ahmad HosainyLab 1, Lab 2IA 143
CT 125 HMA Sampling - HMA (JTCP - HMA I)2025-04-22ActiveFirooz Ahmad HosainyLab 1, Lab 2(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2026-12-15ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2026-12-15ActiveFirooz Ahmad HosainyLab 1IA 143
CT 205 Percent Crushed Particles (JTCP - S&A)2026-12-15IncompleteFirooz Ahmad HosainyLab 1(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2026-12-15ActiveFirooz Ahmad HosainyLab 1, Lab 2(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2026-12-15ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2026-12-15ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 227 Cleanness Value (JTCP - S&A)2026-12-15ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 229 Durability (JTCP - S&A)2026-12-15ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 231 Relative Compaction - Nuclear Gage 2026-01-30ActiveAshley ShawLab 1, Lab 2(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2025-04-22ActiveFirooz Ahmad HosainyLab 1(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2024-10-11ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2024-10-11ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2024-09-10ActiveEmily MerrittLab 1
Created based on CT521 certificate ID20562
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2024-09-10ActiveEmily MerrittLab 1 Created based on CT521 certificate ID20562
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2024-10-11ActiveAshley ShawLab 1, Lab 2Date adjusted to expire with Other ACI related Certs
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2024-09-10ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2024-09-10ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 533 Ball Penetration - PCC 2024-09-10ActiveMajid FahrtoshLab 1, Lab 2(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2024-10-11ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2024-10-11ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2024-10-11ActiveSarbjit Grewal(No lab)(No comments)
CT 552 Relative Compaction of Polymer Concrete 2025-02-06ActiveAshley ShawLab 1, Lab 2(No comments)
CT 556 Slump - PCC (JTCP - PCC)2024-10-11ActiveSarbjit GrewalLab 1, Lab 2(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2024-10-11ActiveSarbjit GrewalLab 1, Lab 2(No comments)

AASHTO/ASTM Proficiencies

Total 8 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
AASHTO T11 Sieve Analysis (Washing) - Fine Aggregates (JTCP - HMA I)2025-04-22ActiveFirooz Ahmad HosainyLab 1(No comments)
AASHTO T27 Sieve Analysis - Fine and Coarse Aggregates (JTCP - HMA I)2025-04-22ActiveFirooz Ahmad HosainyLab 1(No comments)
AASHTO R47 Reducing Samples of HMA (JTCP - HMA I)2025-04-22ActiveFirooz Ahmad HosainyLab 1(No comments)
AASHTO R76 Reducing Samples of Agg (JTCP - HMA I)2025-04-22ActiveFirooz Ahmad HosainyLab 1(No comments)
AASHTO T176 Sand Equivalent (JTCP - HMA I)2025-04-22ActiveFirooz Ahmad HosainyLab 1(No comments)
AASHTO T255 Evaporable Moisture Content (JTCP - HMA I)2025-04-22ActiveFirooz Ahmad HosainyLab 1(No comments)
AASHTO T329 Moisture Content (Oven Method) - HMA (JTCP - HMA I)2025-04-22ActiveFirooz Ahmad HosainyLab 1(No comments)
AASHTO T335 Percentage of Fracture (JTCP - HMA I)2025-04-22ActiveFirooz Ahmad HosainyLab 1(No comments)