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Safety Engineering Services

Jay W. Preston, CSP, PE, CMIOSH, President and CEO

Safety Engineer.......Accident Prevention Consulting.......Forensic Safety Engineering.......Accident Investigation.......Accident Reconstruction.......Safety Training.......College Safety Instruction.......Emergency Preparedness.......Safety and  Accident Prevention Expertise and Experience.....Expert Witness......

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Jay W. Preston, CEO

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Human Factors


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bulletCall: (310) 645-8789 for service.
bulletFax: (310) 645-8788.

I can assist in determining whether a machine is a Labor Code Section 4558 power press or not. See "What is a Power Press."

Accident investigations and consultations have dealt with safety aspects of many kinds of metalworking machinery with many different set-ups and processes.

Mechanical and Hydraulic Power Presses set up for:


Power Pressbrakes set up for:

bulletPressing operations


Shears (Guillotine and Alligator)


Drill Presses

Milling Machines

I have solid experience with evaluating and recommending safety devices and guarding for points of operation, moving parts, and drive mechanisms.  This has included fixed and movable barrier guards, proximity devices, restraints and pull back, pull out, or sweep (now impermissible) devices.

My library includes the codes and standards such as ANSI, OSHA, and ISO that apply to metalworking equipment. Also included is information relating to historical developments in machine guarding dating back to the oldest patents. My involvement in machinery accident prevention has included OSHA compliance audits and recommendations.  I have taught the "Machine Guarding" and "Lock-out Tag-out" class for the National Safety Council (L.A. Chapter).

My broad background has enabled me to suggest optimal solutions to machine guarding projects.

Copyright 2000 - 2011, Jay W. Preston.  Distribution permission granted when this notice is printed in full.  For questions or comments: contact  The J-P, Plus Design and SAFETYBIZ. are registered service marks of Jay William Preston. Permission for use of specific Safety Subject Information is only granted when this notice is printed in full and Preston has been contacted by phone, fax, or email prior to use.