Lab details for Group Delta Consultants

Basic Information

Lab NameGroup Delta Consultants
Manager NameJanice Krehbiel
Lab Emailjan.krehbiel@nv5.com
Lab Telephone858-536-1000
Lab Fax858-536-8311
Lab Full Address9245 Activity Road, San Diego, CA 92126
Zip92126
Lab TypePrivate
District11
Mobile Lab Full Address, ,
Download TL-0113

RSP Information

9245 Acitivity Road, Suite 103, San Diego, CA 92126

Test Methods

California Test (CT) Accreditations

Total 47 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTechnician Certified?Comments
CT 105: Calculations - Gradings (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 125 ADMIX: Sampling - ADMIXTURE2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 125 AGG: Sampling - AGGREGATES (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 125 BIT: Sampling - BITUMINOUS2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 125 CEM: Sampling - CEM2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 125 HMA: Sampling - HMA (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 204: LL, PL, PI2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 205: Percent Crushed Particles (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 206: SpG & Absorption - Coarse Aggregates2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 207: SpG & Absorption - Fine Aggregates2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 208: Apparent SpG - Fine Aggregates2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 209: SpG for Soil2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 213: Organic Impurities of PCC sand2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 217: Sand Equivalent (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 226: Moisture Content - Soils and Aggregates (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 227: Cleanness Value (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 229: Durability (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 235: Flat and Elongated Particles2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 367: OBC2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 370: Moisture Content by Microwave2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 371: Moisture Induced Damage (TSR)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 504: Air Content of PCC - Pressure Method (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerYes(not set)
CT 518: Unit Weight - PCC (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerYes(not set)
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerYes(not set)
CT 533: Ball Penetration - PCC2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
CT 539: Sampling Fresh Concrete (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerYes(not set)
CT 540: Making Cylinders - PCC (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerYes(not set)
CT 543: Air Content of PCC - Volumetric Method (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerYes(not set)
CT 556: Slump - PCC (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerYes(not set)
CT 557: Temperature - PCC (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerYes(not set)
CT 105: Calculations - Gradings2025-12-152026-12-15ActiveEdwin Rojas FloresNo(not set)
CT 106: Definitions - Specific Gravity (SpG)2025-12-152026-12-15ActiveEdwin Rojas FloresNo(not set)
CT 125 AGG: Sampling - AGGREGATES2025-12-152026-12-15ActiveEdwin Rojas FloresNo(not set)
CT 125 GEN: Sampling - GENERAL2025-12-152026-12-15ActiveEdwin Rojas FloresNo(not set)
CT 125 HMA: Sampling - HMA2025-12-152026-12-15ActiveEdwin Rojas FloresNo(not set)
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2025-12-152026-12-15ActiveEdwin Rojas FloresNo(not set)
CT 231: Relative Compaction - Nuclear Gage2025-12-152026-12-15ActiveEdwin Rojas FloresNo(not set)
CT 301: "R" Value2025-12-152026-12-15ActiveEdwin Rojas FloresYes(not set)
CT 304: Sample Preparation - HMA2025-12-152026-12-15ActiveEdwin Rojas FloresYes(not set)
CT 308: Bulk SpG and Density - HMA2025-12-152026-12-15ActiveEdwin Rojas FloresYes(not set)
CT 309: Max SpG and Density - HMA2025-12-152026-12-15ActiveEdwin Rojas FloresYes(not set)
CT 366: Stabilometer2025-12-152026-12-15ActiveEdwin Rojas FloresYes(not set)
CT 375: AC Density by Nuclear Gage2025-12-152026-12-15ActiveEdwin Rojas FloresNo(not set)
CT 382: AC Content by Ignition Oven2025-12-152026-12-15ActiveEdwin Rojas FloresYes(not set)
CT 643: Resistivity and pH Measurements2025-12-152026-12-15ActiveEdwin Rojas FloresYes(not set)

AASHTO/ASTM Proficiencies

Total 13 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTechnician Certified?Comments
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
AASHTO T84: SpG & Absorption - Fine Aggregates2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
AASHTO T85: SpG & Absorption - Coarse Aggregates2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
AASHTO T176: Sand Equivalent (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
AASHTO T209: Max SpG and Density - HMA (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
AASHTO T269: Percent Air Voids - HMA (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
AASHTO T275: Bulk SpG - HMA (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
AASHTO T304: Uncompacted Void - Fine Aggregate2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
AASHTO T335: Percentage of Fracture (JTCP)2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)
ASTM D4791: Flat and Elongated Particles2024-11-122025-11-12ExpiredRoy(Chip) DennerNo(not set)

Technicians in the Lab

Technician Summary

Total 3 items.
First NameLast NameActions
JanKrehbiel View
Robert (Chase)Valarde View
JustinEstes View

Technician Details

Details for Jan Krehbiel

First NameJan
Last NameKrehbiel
StatusActive
Total 23 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2017-02-282023-06-30ExpiredBrandt HouchenYes
CT 106: Definitions - Specific Gravity (SpG)2017-02-282023-06-30ExpiredBrandt HouchenYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2017-02-282023-06-30ExpiredBrandt HouchenYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2017-02-282019-02-28ExpiredBrandt HouchenYes
CT 204: LL, PL, PI2017-08-252019-08-25ExpiredRoy(Chip) DennerYes
CT 206: SpG & Absorption - Coarse Aggregates2017-08-252019-08-25ExpiredRoy(Chip) DennerYes
CT 207: SpG & Absorption - Fine Aggregates2017-08-252019-08-25ExpiredRoy(Chip) DennerYes
CT 211: LA Rattler2015-08-252017-08-25ExpiredRoy(Chip) DennerYes
CT 217: Sand Equivalent (JTCP)2017-02-282019-02-28ExpiredBrandt HouchenYes
CT 226: Moisture Content - Soils and Aggregates (JTCP)2017-02-282019-02-28ExpiredBrandt HouchenYes
CT 229: Durability (JTCP)2017-08-252019-08-25ExpiredRoy(Chip) DennerYes
CT 301: "R" Value2024-07-192026-07-19ActiveRoy(Chip) DennerYes
CT 304: Sample Preparation - HMA2024-07-192026-07-19ActiveRoy(Chip) DennerYes
CT 308: Bulk SpG and Density - HMA2024-07-192026-07-19ActiveRoy(Chip) DennerYes
CT 309: Max SpG and Density - HMA2024-07-192026-07-19ActiveRoy(Chip) DennerYes
CT 366: Stabilometer2024-07-192026-07-19ActiveRoy(Chip) DennerYes
CT 370: Moisture Content by Microwave2020-07-142022-07-14ExpiredAfsaneh OstovarYes
CT 382: AC Content by Ignition Oven2024-07-192026-07-19ActiveRoy(Chip) DennerYes
CT 417: Test for Sulfate Content2019-08-222021-08-22ExpiredAfsaneh OstovarYes
CT 422: Test for Chloride Content2019-08-222021-08-22ExpiredAfsaneh OstovarYes
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)2017-09-192019-09-19ExpiredRoy(Chip) DennerNo
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)2017-09-192019-09-19ExpiredRoy(Chip) DennerNo
CT 643: Resistivity and pH Measurements2025-08-202027-08-20ActiveRoy(Chip) DennerYes
Total 8 items.
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)2017-02-282019-02-28ExpiredBrandt HouchenYes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)2017-02-282019-02-28ExpiredBrandt HouchenYes
AASHTO T176: Sand Equivalent (JTCP)2017-02-282019-02-28ExpiredBrandt HouchenYes
AASHTO T209: Max SpG and Density - HMA (JTCP)2016-05-102018-05-10ExpiredBrandt HouchenYes
AASHTO T269: Percent Air Voids - HMA (JTCP)2016-05-102018-05-10ExpiredBrandt HouchenYes
AASHTO T275: Bulk SpG - HMA (JTCP)2016-05-102018-05-10ExpiredBrandt HouchenYes
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)2016-05-102018-05-10ExpiredBrandt HouchenYes
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)2016-05-102018-05-10ExpiredBrandt HouchenYes

Details for Robert (Chase) Valarde

First NameRobert (Chase)
Last NameValarde
StatusActive
Total 16 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2016-03-102019-03-10ExpiredRobby RodriguezYes
CT 106: Definitions - Specific Gravity (SpG)2016-03-102018-03-10ExpiredRobby RodriguezYes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2016-03-102019-03-10ExpiredRobby RodriguezYes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2016-03-102017-03-10ExpiredBrandt HouchenYes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2015-12-172017-12-17ExpiredBrandt HouchenYes
CT 217: Sand Equivalent (JTCP)2016-03-102017-03-10ExpiredBrandt HouchenYes
CT 304: Sample Preparation - HMA2016-05-102018-05-10ExpiredBrandt HouchenYes
CT 308: Bulk SpG and Density - HMA2016-05-102018-05-10ExpiredBrandt HouchenYes
CT 309: Max SpG and Density - HMA2016-05-102018-05-10ExpiredBrandt HouchenYes
CT 366: Stabilometer2016-05-102018-05-10ExpiredBrandt HouchenYes
CT 370: Moisture Content by Microwave2016-05-102018-05-10ExpiredBrandt HouchenYes
CT 382: AC Content by Ignition Oven2016-05-102018-05-10ExpiredBrandt HouchenYes
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)2016-05-102018-05-10ExpiredBrandt HouchenNo
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)2016-05-102018-05-10ExpiredBrandt HouchenNo
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2016-03-102017-03-10ExpiredBrandt HouchenYes
CT 523.2 Section B.3: Flexural Strength (Lab Test)2016-03-102017-03-10ExpiredBrandt HouchenNo
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.

Details for Justin Estes

First NameJustin
Last NameEstes
StatusActive
Total 15 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 301: "R" Value2024-08-132026-08-13ActiveRoy(Chip) DennerYes
CT 304: Sample Preparation - HMA2024-08-132026-08-13ActiveRoy(Chip) DennerYes
CT 308: Bulk SpG and Density - HMA2024-08-162026-08-16ActiveRoy(Chip) DennerYes
CT 309: Max SpG and Density - HMA2024-08-132026-08-13ActiveRoy(Chip) DennerYes
CT 366: Stabilometer2024-08-132026-08-13ActiveRoy(Chip) DennerYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 518: Unit Weight - PCC (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)2019-01-312021-01-31ExpiredAfsaneh OstovarNo
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)2019-01-312021-01-31ExpiredAfsaneh OstovarNo
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 539: Sampling Fresh Concrete (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 540: Making Cylinders - PCC (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 543: Air Content of PCC - Volumetric Method (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 556: Slump - PCC (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
CT 557: Temperature - PCC (JTCP)2024-06-072029-06-07ActiveSarmad DalalYes
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
No results found.