John Atkinson is a principal with Holdrege & Kull. He manages the Lab and Field Operations for the firm and is the technical leader for the special inspection and materials testing staff. John has been with H&K since its inception in 1993.
Technical Staff
CHB – Engineering Field Technician
Registrations/Certifications:
Geologist in Training, CA 289
American Concrete Institute (ACI) Concrete Field Testing Technician – Grade I
Nuclear Density Gauge Operation
Caltrans Test Methods – 105, 125, 201, 202, 204, 216, 217, 226, 227, 231, 304, 308, 309, 370, 375, 382, 504, 518, 521, 533, 539, 540, 556, 557
CMC – Engineering Field Technician
Registrations/Certifications:
American Concrete Institute (ACI) – Grade 1 Concrete Field Testing
International Code Council (ICC) – Special Inspector for Structural Masonry, Structural Steel, and Welding
Caltrans Test Methods – 216, 231, 504, 518, 533, 539, 540, 556, 557
OSHA – 40-hour HAZWOPER
Nuclear Density Gauge Operation
CJO – Engineering Field Technician
Registrations/Certifications:
American Concrete Institute (ACI) – Concrete Field Testing Technician – Grade I
Nuclear Density Gauge Operation
Caltrans Test Methods – 125, 216, 231, 375, 504, 518, 523, 524, 533, 539, 540, 556, 557
Defensive Driving Training
CAJ – Engineering Field Supervisor
Registrations/Certifications:
American Concrete Institute (ACI) Concrete Field Testing Technician – Grade I
International Code Council (ICC) – Special Inspector for Reinforced Concrete, Structural Steel and Welding, and Structural Masonry
Ultrasonic Testing Level II
Caltrans Test Methods – 105, 125, 201, 202, 216, 217, 226, 231, 375, 504, 518, 533, 539, 540, 556, 557
Nuclear Density Gauge Operation
Confined Space Entry
Defensive Driving Training
DWP – Engineering Lab and Field Technician
Registrations/Certifications:
ACI Concrete Field Testing Technician – Grade 1, Aggregate Testing Technician – Level 1, Concrete Strength Testing Technician, Laboratory Testing Technician – Level I
AASHTO Test Methods – 11, 27, 30, 166, 176, 209, 210, 248, 255, 275, 308, 329
Caltrans Test Methods – 105, 125, 201, 202, 205, 216, 217, 226, 227, 229, 231, 308, 309, 370, 375, 382, 504, 518, 521, 523, 524, 533, 539, 540, 556, 557
Defensive Driving Training
CPR and Basic First Aid
JFH – Engineering Laboratory Supervisor
Registrations/Certifications:
American Concrete Institute (ACI) Concrete Field Testing Technician – Grade I; Concrete Strength Testing Technician
Caltrans Test Methods – 105, 106, 125, 201, 202, 204, 205, 206, 207, 213, 216, 226, 227, 229, 231, 235, 308, 309, 370, 375, 382, 504, 518, 521, 533, 539, 540, 556, 557, LP1, LP2, LP3, LP4, LP9
International Code Council – Reinforced Concrete, 1034487-88
Troxler Certified – Nuclear Gauge
JLP – Engineering Field Technican
Registrations/Certifications:
American Concrete Institute (ACI) Concrete Field Testing Technician – Grade I
AASHTO Test Methods – 11, 27, 30, 166, 176, 209, 210, 248, 255, 275, 308, 329
Caltrans Test Methods – 105, 125, 201, 202, 205, 216, 217, 226, 227, 229, 231, 308, 309, 370, 375, 382, 504, 518, 521, 523, 524, 533, 539, 540, 541, 552, 556, 557
California General Contractor’s License
Nuclear Density Gauge Operation, California
Defensive Driving Training
JWS – Engineering Field Technician
Registrations/Certifications:
American Concrete Institute, (ACI) Grade 1
Nuclear Gauge
International Code Council (ICC) Special Inspector:
Spray Applied Fireproofing
Reinforced Concrete
Structural Masonry,
Pre Stressed / Post Tensioned Concrete (pending)
Structural Steel and Welding
BRM – Engineering Field Supervisor
Registrations/Certifications:
American Concrete Institute (ACI) – Grade 1
American Welding Society (AWS) Certified Welding Inspector (QC-1)
American Society of Non-Destructive Testing, ASNT (Level II in training)
International Code Council (ICC) Special Inspection – Prestressed Concrete, Reinforced Concrete, Structural Steel and Welding, and Structural Masonry
OSHA 40-Hour Safety
Caltrans Test Methods – 125, 216, 231, 504, 518, 533, 539, 540, 557
Nuclear Density Gauge Operation
JDA – Engineering Lab and Field Technician
Registrations/Certifications:
Caltrans Test Methods –, 125, 216, 217, 226, 231, 308, 309, 375, 382, 504, 518, 521, 523, 524, 533, 539, 540, 556, 557
Nuclear Density Gauge Operation
Defensive Driver Training
KLM – Engineering Field Technician
Registrations/Certifications:
American Concrete Institute (ACI) Concrete Field Testing Technician – Grade I
Caltrans Test Methods – 205, 231, 375, 504, 518, 521, 523, 524, 533, 539, 540, 556, 557
Nuclear Density Gauge Operation, California
Defensive Driving Training
MLH – Engineering Lab Supervisor and Field Technician
Registrations/Certifications:
American Concrete Institute (ACI) Concrete Field Testing Technician – Grade 1; Aggregate Testing Technician – Level 1; Concrete Strength Testing Technician; Laboratory Testing Technician – Level I
American Concrete Institute (ACI) – Grade 1
AASHTO Test Methods – 11, 27, 30, 166, 176, 209, 210, 248, 255, 275, 308, 329
Caltrans Test Methods – 105, 125, 201, 202, 205, 216, 217, 226, 227, 229, 231, 308, 309, 370, 375, 382, 504, 518, 521, 523, 524, 533, 539, 540, 556, 557
National Institute for Certification in Engineering Technologies (NICET) – Concrete and Soils: Level I
PAM – Engineering Field Technician
Registrations/Certifications:
American Concrete Institute (ACI) Concrete Field Testing Technician – Grade I; Concrete Strength Testing Technician
Caltrans Test Methods –
216, 231, 504, 518, 533, 539, 540, 557
Nuclear Density Gauge Operation
Defensive Driving Training
RMH – Engineering Special Inspector
Registrations/Certifications:
American Concrete Institute (ACI) – Grade 1 Concrete Field Testing
International Code Council (ICC) Special Inspector for Reinforced Concrete, Structural Masonry, Structural Steel and Welding, Structural Steel and Bolting, Prestressed Concrete, Structural Welding, Master of Special Inspection
American Welding Society (AWS) Certified Welding Inspector
Nuclear Density Gauge Operation
Caltrans Test Methods – 105, 106, 125, 201, 202, 217, 226, 227, 231, 375, 504, 518, 533, 539, 540, 556, 557
ESY – Engineering Special Inspector
Registrations/Certifications:
California State Contractors License
American Welding Society (AWS) Certified Welding Inspector (D1.1)
Mine Safety and Health Administration (MSHA)
OSHA Safety Training
SKA – Engineering Lab and Field Technician
Registrations/Certifications:
American Concrete Institute (ACI) Concrete Field Testing Technician – Grade I
Caltrans Test Methods – 125, 216, 217, 226, 231, 308, 309, 375, 382, 504, 518, 533, 539, 540, 556, 557
TEP – Engineering Field Technician
Registrations/Certifications:
American Concrete Institute (ACI) Concrete Strength Testing Technician
International Code Council (ICC) – Reinforced Concrete, Structural Masonry, Prestressed Concrete
AASHTO Test Methods – 11, 27, 30, 166, 176, 209, 210, 248, 255, 275, 308, 329
Caltrans Test Methods –
105, 125, 201, 202, 216, 217, 226, 227, 231, 308, 309, 370, 375, 382, 504, 518, 523, 524, 533, 539, 540, 557
Nuclear Density Gauge
JDK – Engineering Field Supervisor
Registrations/Certifications:
American Concrete Institute (ACI) Concrete Field Testing Technician – Grade 1
Caltrans Test Methods – 125, 216, 231,375, 504, 518, 533, 539, 540, 556, 557
Nuclear Density Gauge Operation
SJS – Engineering Lab and Field Technician
Registrations/Certifications:
American Concrete Institute (ACI) Concrete Field Testing Technician – Grade 1
Caltrans Test Methods – 125, 216, 231,375, 504, 518, 533, 539, 540, 556, 557
Nuclear Density Gauge Operation
Holdrege & Kull’s technical staff qualifications are built on a solid foundation of trade-school curriculum, in-house and on-the-job training, continuing education and certification through industry organizations, and lab and field work experience. Our deep bench of qualified personnel allows H&K to provide services on diverse construction projects. The following matrix summarizes the breadth of industry certifications maintained by our field and laboratory staff. All H&K engineering technical staff have been trained in Defensive Driving Techniques, CPR, and Basic First Aid.
ACI – American Concrete Institute
ANST – American Society of Non-destructive Testing
AWS – American Welding Society
CTM – California Test Method (Caltrans)
ICC – International Code Council
NICET – National Institute for Certification in Engineering Technologies
OSHA – Occupational Safety and Health Administration