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Stanford Nonstructural Hazard Mitigation Project

This document outlines a comprehensive classification methodology for equipment on campus as part of the Hazard Mitigation Project at Stanford. The system categorizes equipment into classes based on their location and standard attributes, such as "Computer Equipment" and "Shelves/Storage." Each class is further subdivided into sub-classes to account for unique characteristics and functions, including those of hazardous materials. This classification approach supports the identification of appropriate bracing solutions based on user inputs about equipment specifics, enhancing safety and compliance.

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Stanford Nonstructural Hazard Mitigation Project

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  1. Stanford Nonstructural Hazard Mitigation Project Fouad Bendimerad & Nathan Canney Equipment Classification System April 3, 2009

  2. Classification Methodology • Class • Overarching category that identifies equipment location or standard attributes. (i.e. desktop location, book shelves, or computer equipment) • Classes are arranged based upon how common they are on campus. • A class for “Unique Equipment” is formed to allow for discussion of “one-of-a-kind” equipment such as large magnets or pressure chambers. These will probably require non-standard bracing systems and will therefore require an equipment specific assessment.

  3. Classification Methodology • Sub-Class • Narrowing classification based upon equipment physical characteristics or function. (i.e. Top Heavy Equip., Fridges, and Contains Hazardous Material) • To allow for extension to unique equipment within a given class, a sub-class titled “Other” is added to each class.

  4. Classification Methodology • Bracing Solutions • A logic tree will connect a given Class and Sub-class to standard bracing options based upon user inputs about the equipment. These inputs will include equipment location in a room, surroundings and special user requirements. • There may be multiple bracing options for a given piece of equipment and many types of equipment will use similar bracing systems.

  5. Classification System • Class I: Computer Equipment • Sub-Class A – Computer Equipment Racks • Sub-Class B – Desktop Computer Equipment • Sub-Class C - Other

  6. Classification System • Class II: Shelves/Storage • Sub-Class A – Shelves/Storage housing Hazardous Material • Sub-Class B – Shelves/Storage housing books and other non-hazardous contents

  7. Classification System • Class II: Shelves/Storage (con’t) • Sub-Class C – Overhead Shelves housing lab equipment • Sub-Class D – Bracing of Shelving/Storage Units • Sub-Class E – Furniture • Sub-Class F - Other

  8. Classification System • Class III: Bench Top Equipment • Sub-Class A – Top Heavy Equipment • Sub-Class B – Large Base Equipment • Sub-Class C – Medium Box-Shaped Equipment

  9. Classification System • Class III: Bench Top Equipment (con’t) • Sub-Class D – Large Box-Shaped Equipment • Sub-Class E – Stacked Equipment • Sub-Class F – Equipment containing Hazardous Material • Sub-Class G - Other

  10. Classification System • Class IV: Freestanding Floor Equipment • Sub-Class A – Fridges, Freezers and other Equipment falling under Fire Marshal jurisdiction, height > 4 feet • Sub-Class B – Equipment with height < 4 feet

  11. Classification System • Class IV: Freestanding Floor Equipment (con’t) • Sub-Class C – Glove Boxes and Fume Hoods • Sub-Class D – Machine Shop Equipment • Sub-Class E - Other

  12. Classification System • Class V: Compressed Gases • Sub-Class A – Portable Gas Cylinders • Sub-Class B – Large Outdoor Storage Tank • Sub-Class C - Other

  13. Classification System • Class VI: Optical Tables • Sub-Class A – Standard Optical tables on Isolators • Sub-Class B – Granite Vibration Control Tables • Sub-Class C - Other

  14. Classification System • Class VII: Animal Storage • Sub-Class A – Glass Containers • Sub-Class B – Cages stored on movable racks • Sub-Class C – Large Animal Cages • Sub-Class D – Cages containing Hazardous/Biological Elements • Sub-Class E – Other

  15. Classification System • Class VIII: Unique Equipment • Sub-Class A – Other

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