Applied Shotcrete

Ca. Lic# 758547 | ACI Examiner #130770 | 415-378-8178 | Oscar@AppliedShotcrete.com | ACI Certified, Wet-Mix Shotcrete Service, Training, Education & Consulting

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To contact Oscar Duckworth, please call 1-415-378-8178 or fill out the form below. Thank you.

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Resources

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Publications

Of all Shotcrete's components, knowledge, by far, will have the
most influence on the Shotcrete material's hardened properties.

Are You Using The Right Wet-Mix Nozzle?
Shotcrete Magazine, April 2010

Is Your Wet-Mix Placement System Safe?
Shotcrete Magazine, July 2010

Is Your Company Policy On Equipment Wear Putting You At Risk?
Shotcrete Magazine, April 2011

The Correct Use Of Line Lubricants
Shotcrete Magazine, May 2011

Nozzleman Techniques: Improve Accuracy And Reduce Fatigue
Shotcrete Magazine, July 2011

Crossing The Line
Shotcrete Magazine, August 2011

California Wine Caves Showcase Wet-Mix Shotcrete
Shotcrete Magazine, September 2011

Imitating Nature's Stone Features With The Use Of Wet-Mix
Shotcrete Magazine, October 2011

Can Nozzleman Skill Affect Bond Quality?
Shotcrete Magazine, December 2011

Shotcrete Nozzleman Basics— Vertical Wall Construction
Shotcrete Magazine, July 2012

Can You Pass The Strength Panel Test?
Shotcrete Magazine, August 2013

New Construction Speed Savings Of 33-50%
US Green Council, August 2012

Better Bonding To The Substrate Enhances Durability
US Green Council, January 2013

Wet-Mix Equipment Basics All Nozzlemen Must Know
Shotcrete Magazine, 2014

Warning!! Improper Lubrication Can Dramatically Reduce
Equipment Service Life
Shotcrete Magazine, July 2014

False Security
Shotcrete Magazine, September 2012

Consulting

We offer expertise in the following fields:

•In-Place Analysis
•Mixture Design Evaluation
•Construction Practices
•Shotcrete Industry Risk Management
•Job-Specific Placement Methods
•Expert Witness

Testimonials

Tom Augusta, Owner, Weirdo Skateboards:

Oscar is the VERY BEST at what he does. He did the Shotcrete
here at the World Famous Weirdo Skateboard Bowl and the
GREAT Feedback from Skaters never stops. He is also caring,
personable, and very professional; a super guy to work with, an
absolute pleasure !!!

Robin Edwards, Owner, Robin Edwards Inc:

Mr. Duckworth (Oscar) is a rarity. I know him as both a leader
and a deep thinker. More than just a trusted critical piece of my
business (Shotcreted basements), he is a cheerleader for the
material, its applications, and the future of shotcrete.

Cheerleader, teacher, visionary. . . I've too often harnessed him
to fixing my technical problems, and not set him free to exploit
the true wonderful uses of shotcrete. Maybe you will be the one
to help unleash his art. In the meantime, just watch in awe,
and don't even try to keep up with him.

Neil Smith:

The best of the best, few men of this caliber nowadays.

Artin Hamamciyan:

The best at what he does. Honest and informed.

Resources

ACI American Concrete Institute
American Shotcrete Association
Gunite Supply
Redwood Equipment
Schwing of America
Putzmiester
Reed Pumps
Con-Forms
Euclid Chemicals
Quick-Crete
Mapei

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