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Technical Staff

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John Atkinson

John Atkinson – Lab and Field Manager, Nevada City and Murphys Offices

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.

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CHB

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

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CMC

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

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CJO

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

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CAJ

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

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DWP

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

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JFH

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

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JLP

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

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JWS

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

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BRM

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

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JDA

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

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KLM

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

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MLH

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

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PAM

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

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RMH

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

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ESJ

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

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SKA

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

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TEP

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

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JDK

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

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SJS

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

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Technician TableHoldrege & 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

Office Locations

Nevada City | Truckee | Yuba City | Chico | Murphys

530.478.1305
Info@HandK.net

RSS Recent Earthquakes

  • M 3.6 - 8km NNE of Round Valley, CA April 23, 2018
  • M 3.9 - 13km NNE of Thousand Palms, CA April 23, 2018
  • M 4.1 - 141km SSW of Amatignak Island, Alaska April 23, 2018

Video of the Month

Grass Valley Sinkhole Time Lapse - January 11, 2017 to January 10, 2018

Shortcuts to Images & Info

ACI - AWS - NICET - ICC - ASNT - DSA - Caltrans Airports & Rail Award Winning Bridges & Overpasses Certified Engineering Geologist - CEG Certified Hydrogeologist - CHG Communications Towers Creeks, Streams, and Rivers Dams, Reservoirs, Canals & Levees Environmental Essential Services Expert Witness Hospitals & Clinics International Code Council - ICC Landfills Landslides & Slope Protection Mine Related Natural Disasters Pipelines & Tanks Principals Professional Engineer - PE Professional Geologist - PG Projects Recreation Facilities Registered Geotechnical Engineer - GE Roads, Bike Lanes, Trails, & Transit Centers Schools & Colleges Shoring / Rock Bolts Solar & Wind Technical Staff UAV Thermal Imaging Video Examples Water & Waste Water

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