Caltrans SIAD - Lab Information for BAGG Engineers

Lab details for BAGG Engineers

Basic Information

Lab Name	BAGG Engineers
Manager Name	Steve Knudson
Lab Email	steve.knudsen@baggengineers.com
Lab Telephone	650-852-9133
Lab Fax	650-852-9138
Lab Full Address	138 Charcot Avenue, San Jose, CA 95131
Zip	95131
Lab Type	Private
District	4
Mobile Lab Full Address	, ,

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RSP Information

RSP Shipping Address: 138 Charcot Avenue, San Jose, CA 95131

Test Methods

California Test (CT) Accreditations

Total 24 items.

Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Technician Certified?	Comments
CT 105: Calculations - Gradings (JTCP)	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 106: Definitions - Specific Gravity (SpG)	2026-04-15	2027-04-15	Active	David Small	No	(not set)
CT 125 AGG: Sampling - AGGREGATES (JTCP)	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 125 BIT: Sampling - BITUMINOUS	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 125 GEN: Sampling - GENERAL	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 125 HMA: Sampling - HMA	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 201: Sample Preparation - Soil and Aggregates (JTCP)	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 205: Percent Crushed Particles (JTCP)	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 216: Relative Compaction - Soils and Aggregates (JTCP)	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 217: Sand Equivalent (JTCP)	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 226: Moisture Content - Soils and Aggregates (JTCP)	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 227: Cleanness Value (JTCP)	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 229: Durability (JTCP)	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 231: Relative Compaction - Nuclear Gage	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 301: "R" Value	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 375: AC Density by Nuclear Gage	2026-04-15	2027-04-15	Active	David Small	Yes	(not set)
CT 504: Air Content of PCC - Pressure Method (JTCP)	2026-04-15	2027-04-15	Active	David Small	No	(not set)
CT 518: Unit Weight - PCC (JTCP)	2026-04-15	2027-04-15	Active	David Small	No	(not set)
CT 533: Ball Penetration - PCC	2026-04-15	2027-04-15	Active	David Small	No	(not set)
CT 539: Sampling Fresh Concrete (JTCP)	2026-04-15	2027-04-15	Active	David Small	No	(not set)
CT 540: Making Cylinders - PCC (JTCP)	2026-04-15	2027-04-15	Active	David Small	No	(not set)
CT 556: Slump - PCC (JTCP)	2026-04-15	2027-04-15	Active	David Small	No	(not set)
CT 557: Temperature - PCC (JTCP)	2026-04-15	2027-04-15	Active	David Small	No	(not set)

AASHTO/ASTM Proficiencies

Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Technician Certified?	Comments
No results found.

Technicians in the Lab

Technician Summary

Total 9 items.

First Name	Last Name	Actions
Steve	Knudsen	View
Alan	O'Driscoll	View
Brandon	Scoirtino	View
Minh	Thai	View
Amelia	Zavala	View
Madalene	Velasco	View
Shannon	Irion	View
Steven	Farrar	View
Sheldon	Blair	View

Technician Details

Details for Steve Knudsen

First Name	Steve
Last Name	Knudsen
Status	Active

Total 18 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 105: Calculations - Gradings (JTCP)	2026-05-08	2029-05-08	Active	Firooz Ahmad Hosainy	Yes
CT 125 AGG: Sampling - AGGREGATES (JTCP)	2026-05-08	2029-05-08	Active	Firooz Ahmad Hosainy	Yes
CT 125 AGG: Sampling - AGGREGATES	2026-04-02	2028-04-02	Active	David Small	Yes
CT 125 BIT: Sampling - BITUMINOUS	2026-04-02	2028-04-02	Active	David Small	Yes
CT 125 GEN: Sampling - GENERAL	2026-04-02	2028-04-02	Active	David Small	Yes
CT 125 HMA: Sampling - HMA (JTCP)	2022-02-23	2024-02-23	Expired	David Small	Yes
CT 125 HMA: Sampling - HMA	2026-04-02	2028-04-02	Active	David Small	Yes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)	2026-05-08	2029-05-08	Active	Firooz Ahmad Hosainy	Yes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)	2026-05-08	2029-05-08	Active	Firooz Ahmad Hosainy	Yes
CT 205: Percent Crushed Particles (JTCP)	2026-05-08	2029-05-08	Active	Firooz Ahmad Hosainy	Yes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)	2026-05-08	2029-05-08	Active	Firooz Ahmad Hosainy	Yes
CT 217: Sand Equivalent (JTCP)	2026-05-08	2029-05-08	Active	Firooz Ahmad Hosainy	Yes
CT 226: Moisture Content - Soils and Aggregates (JTCP)	2026-05-08	2029-05-08	Active	Firooz Ahmad Hosainy	Yes
CT 227: Cleanness Value (JTCP)	2026-05-08	2029-05-08	Active	Firooz Ahmad Hosainy	Yes
CT 229: Durability (JTCP)	2026-05-08	2029-05-08	Active	Firooz Ahmad Hosainy	Yes
CT 231: Relative Compaction - Nuclear Gage	2026-04-02	2028-04-02	Active	David Small	Yes
CT 301: "R" Value	2026-04-02	2028-04-02	Active	David Small	Yes
CT 375: AC Density by Nuclear Gage	2026-04-02	2028-04-02	Active	David Small	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Alan O'Driscoll

First Name	Alan
Last Name	O'Driscoll
Status	Active

Total 6 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES	2026-04-02	2028-04-02	Active	David Small	Yes
CT 125 BIT: Sampling - BITUMINOUS	2026-04-02	2028-04-02	Active	David Small	Yes
CT 125 GEN: Sampling - GENERAL	2026-04-02	2028-04-02	Active	David Small	Yes
CT 125 HMA: Sampling - HMA	2026-04-02	2028-04-02	Active	David Small	Yes
CT 231: Relative Compaction - Nuclear Gage	2026-04-02	2028-04-02	Active	David Small	Yes
CT 375: AC Density by Nuclear Gage	2026-04-02	2028-04-02	Active	David Small	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Brandon Scoirtino

First Name	Brandon
Last Name	Scoirtino
Status	Active

Total 6 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES	2026-04-02	2028-04-02	Active	David Small	Yes
CT 125 BIT: Sampling - BITUMINOUS	2026-04-02	2028-04-02	Active	David Small	Yes
CT 125 GEN: Sampling - GENERAL	2026-04-02	2028-04-02	Active	David Small	Yes
CT 125 HMA: Sampling - HMA	2026-04-02	2028-04-02	Active	David Small	Yes
CT 231: Relative Compaction - Nuclear Gage	2026-04-02	2028-04-02	Active	David Small	Yes
CT 375: AC Density by Nuclear Gage	2026-04-02	2028-04-02	Active	David Small	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Minh Thai

First Name	Minh
Last Name	Thai
Status	Active

Total 6 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES	2026-04-02	2028-04-02	Active	David Small	Yes
CT 125 BIT: Sampling - BITUMINOUS	2026-04-02	2028-04-02	Active	David Small	Yes
CT 125 GEN: Sampling - GENERAL	2026-04-02	2028-04-02	Active	David Small	Yes
CT 125 HMA: Sampling - HMA	2026-04-02	2028-04-02	Active	David Small	Yes
CT 231: Relative Compaction - Nuclear Gage	2026-04-02	2028-04-02	Active	David Small	Yes
CT 375: AC Density by Nuclear Gage	2026-04-02	2028-04-02	Active	David Small	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Amelia Zavala

First Name	Amelia
Last Name	Zavala
Status	Active

Total 11 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 105: Calculations - Gradings (JTCP)	2026-02-06	2029-02-06	Active	Firooz Ahmad Hosainy	Yes
CT 125 AGG: Sampling - AGGREGATES (JTCP)	2026-02-06	2029-02-06	Active	Firooz Ahmad Hosainy	Yes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)	2026-02-06	2029-02-06	Active	Firooz Ahmad Hosainy	Yes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)	2026-02-06	2029-02-06	Active	Firooz Ahmad Hosainy	Yes
CT 205: Percent Crushed Particles (JTCP)	2026-02-06	2029-02-06	Active	Firooz Ahmad Hosainy	Yes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)	2026-02-06	2029-02-06	Active	Firooz Ahmad Hosainy	Yes
CT 217: Sand Equivalent (JTCP)	2026-02-06	2029-02-06	Active	Firooz Ahmad Hosainy	Yes
CT 226: Moisture Content - Soils and Aggregates (JTCP)	2026-02-06	2029-02-06	Active	Firooz Ahmad Hosainy	Yes
CT 227: Cleanness Value (JTCP)	2026-02-06	2029-02-06	Active	Firooz Ahmad Hosainy	Yes
CT 229: Durability (JTCP)	2026-02-06	2029-02-06	Active	Firooz Ahmad Hosainy	Yes
CT 301: "R" Value	2026-04-15	2028-04-15	Active	David Small	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Madalene Velasco

First Name	Madalene
Last Name	Velasco
Status	Active

Total 3 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES	2026-04-02	2028-04-02	Active	David Small	Yes
CT 125 BIT: Sampling - BITUMINOUS	2026-04-15	2028-04-15	Active	David Small	Yes
CT 125 HMA: Sampling - HMA	2026-04-02	2028-04-02	Active	David Small	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Shannon Irion

First Name	Shannon
Last Name	Irion
Status	Active

Total 4 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES	2026-04-15	2028-04-15	Active	David Small	Yes
CT 125 HMA: Sampling - HMA	2026-04-15	2028-04-15	Active	David Small	Yes
CT 231: Relative Compaction - Nuclear Gage	2026-04-15	2028-04-15	Active	David Small	Yes
CT 375: AC Density by Nuclear Gage	2026-04-15	2028-04-15	Active	David Small	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Steven Farrar

First Name	Steven
Last Name	Farrar
Status	Active

Total 4 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES	2026-04-15	2028-04-15	Active	David Small	Yes
CT 125 HMA: Sampling - HMA	2026-04-15	2028-04-15	Active	David Small	Yes
CT 231: Relative Compaction - Nuclear Gage	2026-04-15	2028-04-15	Active	David Small	Yes
CT 375: AC Density by Nuclear Gage	2026-04-15	2028-04-15	Active	David Small	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Sheldon Blair

First Name	Sheldon
Last Name	Blair
Status	Active

Total 4 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES	2026-04-15	2028-04-15	Active	David Small	Yes
CT 125 HMA: Sampling - HMA	2026-04-15	2028-04-15	Active	David Small	Yes
CT 231: Relative Compaction - Nuclear Gage	2026-04-15	2028-04-15	Active	David Small	Yes
CT 375: AC Density by Nuclear Gage	2026-04-15	2028-04-15	Active	David Small	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

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