Industrial Fans — Mechanical Safety of Fans — Guarding
1 Scope
This standard specifies requirements for the mechanical guarding of industrial fans.
The circumstances under which safety measures shall be taken are described and information on how hazards can be reduced or eliminated is given, along with guidance on safety practices and information for use.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB 2893-2001 Safety Colours (neq ISO 3864:1984)
GB 2894-1996 Safety Signs (neq ISO 3864:1984)
GB/T 19075-2003 Industrial Fans — Vocabulary and Definitions of Categories (ISO 13349:1999, IDT)
ISO 13852:1996 Safety of Machinery — Safety Distances to Prevent Danger Zones Being Reached by the Upper Limbs
ISO 14120 Safety of Machinery — General Requirements for the Design and Construction of Guards (Fixed, Movable)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 19075 and the following apply.
3.1
industrial fan
any fan used for industrial purposes, including the ventilation of buildings and mines but excluding ceiling, pedestal and similar circulation type fans such as those commonly used for non- industrial purposes
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3.2
normal operation
operation when the fan impeller is rotating and the fan is fulfilling its designed function of moving air
3.3
ancillary operation
operation when the fan impeller is stationary and all power to the fan has been disconnected to allow such activities as maintenance, cleaning, adjustment or troubleshooting to take place
Foreword II
1 Scope
2 Normative References
3 Terms and definitions
4 Hazards from Fans
5 Risk Assessment
6 Reduction of risk
7 Types of Safeguard
8 Guard Construction
9 Design of Fixed Guards and Fixed Distance Guards
10 Noise
11 Fans Enclosed within Units
12 Safe Working Practices
13 Information for Use
Bibliography
