NFPA 61C : 1989

Chapter 1 General
1.1 Scope
1.2 Purpose
1.3 Existing Facilities
1.4 Definitions
Chapter 2 Construction Requirements
2.1 General Requirements
2.2 Wall Construction
2.3 Roof Construction
2.4 Stairs, Elevators, and Manlifts
2.5 Bins and Tanks
Chapter 3 Ventilation and Venting
3.1 General
3.2 Venting of Bins and Tanks
Chapter 4 Explosion Relief and Venting
4.1 Scope
4.2 Requirements for Enclosures
4.3 Requirements for Equipment
Chapter 5 Equipment
5.1 Elevator Legs
5.2 Clutches and Drive Belts
5.3 Processing Equipment
5.4 Conveyors
5.5 Bearings
5.6 Spouts and Throw of Material
Chapter 6 Heated Devices and Processes
6.1 Heat Transfer Systems
6.2 Comfort Heating
Chapter 7 Dust Control
7.1 Removal of Static Dust
7.2 Dust Collection
7.3 Dust Collection Systems
Chapter 8 Pneumatic Conveying
8.1 General
8.2 General Design
8.3 Piping, Valves, and Blowers
8.4 Air Material Separators
8.5 Receiving and Shipping Conveyances
Chapter 9 Fire Protection
9.1 Portable Fire Extinguishers
9.2 Automatic Sprinklers
9.3 Supervisory Services
9.4 Standpipe and Hose
Chapter 10 Fumigation
10.1 Definitions
10.2 Regulatory Usage
10.3 Fire Hazards
10.4 Fire and Explosion Protection
10.5 Storage and Handling
10.6 Hazard Warning
Chapter 11 Supplemental Requirements
11.1 Electrical Wiring and Equipment
11.2 Cutting and Welding
11.3 Spark-Producing Portable Tools and Propellant-
      Actuated Tools
11.4 Static Electricity
11.5 Engine and Motor Driven Equipment
11.6 Smoking
11.7 Storage of Oils, Flammable Liquids, and LP-Gas
11.8 Control of Outside Contractors
11.9 Warning Signs
Chapter 12 Referenced Publications
Appendix A
Appendix B Supplmentary Information on Fire Protection
Appendix C Employee Health and Safety
Appendix D Schematics of Typical Pneumatic Conveying
            Installations
Appendix E Referenced Publications
Index

Provides the updated standard for construction, ventilation, and equipment in feed mills. Supplemental precautions are also included.