ADOPTS WITH AMENDMENTS:

NFPA 1, 2015

Heads up: There are no amended sections in this chapter.
Equipment, processes, and operations that involve the manufacture, processing, blending, repackaging, or handling of combustible particulate solids or combustible dusts regardless of concentration or particle size shall be installed and maintained in accordance with this chapter and the following standards as applicable:
  1. NFPA 61, Standard for the Prevention of Fires and Dust Explosions in Agricultural and Food Processing Facilities
  2. NFPA 69, Standard on Explosion Prevention Systems
  3. NFPA 85, Boiler and Combustion Systems Hazards Code
  4. NFPA 120, Standard for Fire Prevention and Control in Coal Mines
  5. NFPA 484, Standard for Combustible Metals
  6. NFPA 654, Standard for the Prevention of Fire and Dust Explosions from the Manufacturing, Processing, and Handling of Combustible Particulate Solids
  7. NFPA 655, Standard for Prevention of Sulfur Fires and Explosions
  8. NFPA 664, Standard for the Prevention of Fires and Explosions in Wood Processing and Woodworking Facilities
Permits, where required, shall comply with Section 1.12.
Continuous suction to minimize the escape of dust shall be provided for processes where combustible dust is liberated in normal operation. [654:8.1.1]
The dust shall be conveyed to air-material separators. [654:8.1.2]
All requirements of 40.3.2.1 through 40.3.2.3 shall be applied retroactively. [654:8.2]
Where the facility is intended to be operated with less than the dust accumulation defined by the owner/operator's chosen criterion in Section 6.1 of NFPA 654, the housekeeping frequency shall be established to ensure that the accumulated dust levels on walls, floors, and horizontal surfaces such as equipment, ducts, pipes, hoods, ledges, beams, and above suspended ceilings and other concealed surfaces, such as the interior of electrical enclosures, does not exceed the threshold dust mass/accumulation. [654:8.2.1.1]
Where the facility is intended to be operated with less than the dust accumulation defined by the owner/operator's chosen criterion in Section 6.1 of NFPA 654, a planned inspection process shall be implemented to evaluate dust accumulation rates and the housekeeping frequency required to maintain dust accumulations below the threshold dust mass/accumulation. [654:8.2.1.2]
Where the facility is intended to be operated with less than the dust accumulation defined by the owner/operators chosen criterion in Section 6.1 of NFPA 654, the housekeeping procedure shall include specific requirements establishing time to clean local spills or short-term accumulation to allow the elimination of the spilled mass or accumulation from the calculations in Section 6.1 of NFPA 654. [654:8.2.1.3]
Where the facility is intended to be operated with more than the dust accumulation defined by the owner/operator's chosen criterion in Section 6.1 of NFPA 654, a documented risk evaluation acceptable to the AHJ shall be permitted to be conducted to determine the level of housekeeping consistent with any dust explosion and dust flash fire protection measures provided in accordance with Section 6.4 and 11.2.2 of NFPA 654. [654:8.2.1.4]
Surfaces shall be cleaned in a manner that minimizes the risk of generating a fire or explosion hazard. [654:8.2.2.1]
Vacuuming shall be the preferred method of cleaning. [654:8.2.2.2]
Where vacuuming is impractical, permitted cleaning methods shall include sweeping and water wash-down. [654:8.2.2.3]
Blow-downs using compressed air or steam shall be permitted to be used for cleaning inaccessible surfaces or surfaces where other methods of cleaning result in greater personal safety risk. Where blow-down using compressed air is used, the following precautions shall be followed:
  1. Vacuuming, sweeping, or water wash-down methods are first used to clean surfaces that can be safely accessed prior to using compressed air.
  2. Dust accumulations in the area after vacuuming, sweeping, or water wash-down do not exceed the threshold dust accumulation.
  3. Compressed air hoses are equipped with pressure relief nozzles limiting the discharge gauge pressure to 30 psi (207 kPa) in accordance with the OSHA requirements in 29 CFR 1910.242(b), "Hand and Portable Power Tools and Equipment, General."
  4. All electrical equipment potentially exposed to airborne dust in the area meets, as a minimum, the requirements of NFPA 70, National Electrical Code, NEMA12 as defined by NEMA250; or the equivalent.
  5. All ignition sources and hot surfaces capable of igniting a dust cloud or dust layer are shut down or removed from the area. [654:8.2.2.4]
Housekeeping procedures shall be documented in accordance with the requirements of Sections 4.2 and 4.3 of NFPA 654. [654:8.2.2.5]
Portable vacuum cleaners that meet the following minimum requirements shall be permitted to be used to collect combustible particulate solids:
  1. Materials of construction shall comply with 7.13.2 and 9.3.2 of NFPA 654.
  2. Hoses shall be conductive or static dissipative.
  3. All conductive components, including wands and attachments, shall be bonded and grounded.
  4. Dust-laden air shall not pass through the fan or blower.
  5. Electrical motors shall not be in the dust-laden air stream unless listed for Class II, Division 1 locations.
  6. *When liquids or wet material are picked up by the vacuum cleaner, paper filter elements shall not be used.
  7. Vacuum cleaners used for metal dusts shall meet the requirements of NFPA 484, Standard for Combustible Metals. [654:8.2.3.1]
In Class II electrically classified (hazardous) locations, vacuum cleaners shall be listed for the purpose and location or shall be a fixed-pipe suction system with remotely located exhauster and air-material separator installed in conformance with Section 7.13 of NFPA 654, and shall be suitable for the dust being collected. [654:8.2.3.2]
Where flammable vapors or gases are present, vacuum cleaners shall be listed for Class I and Class II hazardous locations. [654:8.2.3.3]
A documented risk evaluation acceptable to the AHJ shall be permitted to be conducted to determine the level of protection to be provided according to this chapter. [654:9.1.1]
Means shall be provided to prevent foreign material from entering the system when such foreign material presents an ignition hazard. [654:9.1.2.1]
Floor sweepings shall not be returned to any machine. [654:9.1.2.2]
Foreign materials, such as tramp metal, that are capable of igniting combustible material being processed shall be removed from the process stream by one of the following methods:
  1. Permanent magnetic separators or electromagnetic separators that indicate loss of power to the separators
  2. Pneumatic separators
  3. Grates or other separation devices [654:9.1.2.3]
Where the process is configured such that the pneumatic conveying, dust collection, or centralized vacuum cleaning system conveys materials that can act as an ignition source, means shall be provided to minimize the hazard. [654:9.1.3.1]
The means used to minimize the ignition source hazard specified in 40.4.1.3.1 shall be permitted to include protection measures identified in 7.1.1 and Section 10.1 of NFPA 654, as appropriate. [654:9.1.3.2]
Belt drives shall be designed to stall without the belt's slipping, or a safety device shall be provided to shutdown the equipment if slippage occurs. [654:9.1.4]
Roller or ball bearings shall be used on all processing and transfer equipment. [654:9.1.5.1]
Bushings shall be permitted to be used when a documented engineering evaluation shows that mechanical loads and speeds preclude ignition due to frictional heating. [654:9.1.5.2]
Lubrication shall be performed in accordance with the manufacturer's recommendations. [654:9.1.5.3]
Equipment with moving parts shall be installed and maintained so that true alignment is maintained and clearance is provided to minimize friction. [654:9.1.6]
All electrical equipment and installations shall comply with the requirements of Section 6.6 of NFPA 654. [654:9.2]
The requirements of 40.4.3.1 through 40.4.3.1.4 shall be applied retroactively. [654:9.3]
For electrostatic hazard assessment purposes, MIE determination of dust clouds shall be based on a purely capacitive discharge circuit in accordance with ASTM E 2019, Standard Test Method for Minimum Ignition Energy of a Dust Cloud in Air. [654:9.3.1]
All system components shall be conductive. [654:9.3.2.1]
Nonconductive system components shall be permitted where all of the following conditions are met:
  1. Hybrid mixtures are not present.
  2. Conductive dusts are not handled.
  3. The MIE of the material being handled is greater than 3 mJ.
  4. The nonconductive components do not result in isolation of conductive components from ground.
  5. *The breakdown strength across nonconductive sheets, coatings, or membranes does not exceed 4 kV when used in high surface charging processes. [654:9.3.2.2]
Bonding and grounding with a resistance of less than 1.0 × 106 ohms to ground shall be provided for conductive components. [654:9.3.2.3]
Where belt drives are used, the belts shall be electrically conductive and have a resistance of less than 1.0 × 106 ohms to ground. [654:9.3.3]
FIBCs shall be permitted to be used for the handling and storage of combustible particulate solids in accordance with the requirements in 40.4.3.4.1 through 40.4.3.4.7. [654:9.3.4]
Electrostatic ignition hazards associated with the particulate and objects surrounding or inside of the FIBC shall be included in the process hazard analysis required by Section 4.2 of NFPA 654. [654:9.3.4.1]
Type A FIBCs shall be limited to use with noncombustible particulate solids or combustible particulate solids having MIE >1000 mJ. [654:9.3.4.2]
Type A FIBCs shall not be used in locations where flammable vapors are present. [654:9.3.4.2.1]
Type A FIBCs shall not be used with conductive particulate solids. [654:9.3.4.2.2]
Type B FIBCs shall be permitted to be used where combustible dusts having MIE >3 mJ are present. [654:9.3.4.3]
Type B FIBCs shall not be used in locations where flammable vapors are present. [654:9.3.4.3.1]
Type B FIBCs shall not be used for conductive particulate solids. [654:9.3.4.3.2]
Type C FIBCs shall be permitted to be used with combustible particulate solids and in locations where flammable vapors having MIE >0.14 mJ are present. [654:9.3.4.4]
Conductive FIBC elements shall terminate in a grounding tab, and resistance from these elements to the tab shall be less than 108 ohms. [654:9.3.4.4.1]
Type C FIBCs shall be grounded during filling and emptying operations with a resistance to ground of less than 25 ohms. [654:9.3.4.4.2]
Type C FIBCs shall be permitted to be used for conductive particulate solids. [654:9.3.4.4.3]
Type D FIBCs shall be permitted to be used with combustible particulate solids and in locations where flammable vapor atmospheres having MIE >0.14 mJ are present. [654:9.3.4.5]
Type D FIBCs shall not be permitted to be used for conductive particulate solids. [654:9.3.4.5.1]
Type B, Type C, and Type D FIBCs shall be tested and verified as safe for their intended use by a recognized testing organization in accordance with the requirements and test procedures specified in IEC 61340-4-4, Electrostatics — Part 4-4: Standard Test Methods for Specific Applications — Electrostatic Classification of Flexible Intermediate Bulk Containers, before being used in hazardous environments. [654:9.3.4.6]
Intended use shall include both the product being handled and the environment in which the FIBC will be used. [654:9.3.4.6.1]
Materials used to construct inner baffles, other than mesh or net baffles, shall meet the requirements for the bag type in which they are to be used. [654:9.3.4.6.2]
Documentation of test results shall be made available to the AHJ. [654:9.3.4.6.3]
FIBCs that have not been tested and verified for type in accordance with IEC 61340-4-4, Electrostatics — Part 4 4: Standard Test Methods for Specific Applications — Electrostatic Classification of Flexible Intermediate Bulk Containers, shall be not be used for combustible dusts or in flammable vapor atmospheres. [654:9.3.4.6.4]
Deviations from the requirements in 40.4.3.4.1 through 40.4.3.4.6 for safe use of FIBCs shall be permitted upon expert review and a documented risk assessment acceptable to the AHJ. [654:9.3.4.7]
Conductive RIBCs shall be permitted to be used for dispensing into any flammable vapor, gas, dust, or hybrid atmospheres provided that the RIBC is electrically grounded. [654:9.3.5.1]
Nonconductive RIBCs shall not be permitted to be used for applications, processes, or operations involving combustible particulate solids or where flammable vapors or gases are present unless a documented risk evaluation assessing the electrostatic hazards is acceptable to the AHJ. [654:9.3.5.2]
Particulate solids shall not be manually dumped directly into vessels containing flammable atmospheres (gases at a flammable concentration with an oxidant) or where displacement could cause a flammable atmosphere external to the vessel. [654:9.3.6]
Manual additions of solids through an open port or a manway into a vessel containing flammable atmospheres shall be permitted to be done in 50 lb (25 kg) batches or smaller, provided the requirements of 40.4.3.7.1 through 40.4.3.7.7 are satisfied. [654:9.3.7]
Conductive or static-dissipative components of the container shall be grounded. [654:9.3.7.1]
Direct emptying of powders from nonconductive plastic bags into a vessel that contains a flammable atmosphere shall be strictly prohibited. [654:9.3.7.2]
The use of nonconductive liners in grounded conductive or static-dissipative outer packaging shall be permitted, provided that the liner thickness is less than 0.08 in. (2 mm) and the liner cannot become detached during emptying. [654:9.3.7.3]
Loading chutes, receiving vessels, and auxiliary devices used for addition of bulk material shall be conductive and grounded. [654:9.3.7.4]
Personnel in the vicinity of openings of vessels that contain flammable atmospheres shall be grounded. [654:9.3.7.5]
Operators shall wear flame-resistant garments as specified in NFPA 2113, Standard on Selection, Care, Use, and Maintenance of Flame-Resistant Garments for Protection of Industrial Personnel Against Flash Fire, and any other personal protective equipment required for protection against flash fire hazards during charging operations. [654:9.3.7.6]
A documented risk evaluation acceptable to the AHJ shall be conducted to determine additional engineering and administrative controls necessary to protect against ignition of the flammable atmosphere. [654:9.3.7.7]
The requirements of 40.4.4.1 through 40.4.4.3 shall be applied retroactively. [654:9.4]
Cartridge-actuated tools shall not be used in areas where combustible material is produced, processed, or present unless all machinery is shut down and the area is cleaned and inspected to ensure the removal of all accumulations of combustible material. [654:9.4.1]
Accepted lockout/tagout procedures shall be followed for the shutdown of machinery. [654:9.4.2]
The use of cartridge-actuated tools shall be in accordance with 40.4.5.2. [654:9.4.3]
An inspection shall be made after the work is completed to ensure that no cartridges or charges are left in the area where they can enter equipment or be accidentally discharged after operation of the dust-producing or handling machinery is resumed. [654:9.4.4]
The requirements of 40.4.5.1 through 40.4.5.3 shall be applied retroactively. [654:9.5]
Cutting and welding shall comply with the applicable requirements of NFPA 51B, Standard for Fire Prevention During Welding, Cutting, and Other Hot Work. [654:9.5.1]
Grinding, chipping, and other operations that produce either sparks or open-flame ignition sources shall be controlled by a hot work permit system in accordance with NFPA 51B. [654:9.5.2]
Smoking shall be permitted only in designated areas. [654:9.5.3]
In areas processing combustible dust, process and comfort heating shall be provided by indirect means. [654:9.6.1]
Fired equipment shall be located outdoors or in a separate dust-free room or building. [654:9.6.2]
Air for combustion shall be taken from a clean outside source. [654:9.6.3]
Comfort air systems for processing areas containing combustible dust shall not be recirculated. [654:9.6.4]
Recirculating systems shall be permitted to be used provided that all of the following criteria are met:
  1. Only fresh makeup air is heated.
  2. The return air is filtered to prevent accumulations of dust in the recirculating system.
  3. The exhaust flow is balanced with fresh air intake. [654:9.6.5]
Comfort air shall not be permitted to flow from hazardous to nonhazardous areas. [654:9.6.6]
In areas where a dust explosion hazard or dust flash fire hazard exists, the temperature of external surfaces, such as compressors; steam, water, or process piping; ducts; and process equipment shall be maintained below 80 percent (in degrees Celsius) of the lower of the dust surface ignition temperature or the dust-cloud ignition temperature. [654:9.7]
Where used, industrial trucks shall be listed or approved for the electrical classification of the area, as determined by Section 6.5 of NFPA 654, and shall be used in accordance with NFPA 505, Fire Safety Standard for Powered Industrial Trucks Including Type Designations, Areas of Use, Conversions, Maintenance, and Operations. [654:9.8.1]
Where industrial trucks, in accordance with NFPA 505, Fire Safety Standard for Powered Industrial Trucks Including Type Designations, Areas of Use, Conversions, Maintenance, and Operations, are not commercially available, a documented risk assessment acceptable to the AHJ shall be permitted to be used to specify the fire and explosion prevention features for the equipment used. [654:9.8.2]
Fire protection systems, where installed, shall be specifically designed to address building protection, process equipment, and the chemical and physical properties of the materials being processed. [654:10.1]
Fire protection systems required by this chapter shall comply with 40.5.2.1 through 40.5.2.10. [654:10.2]
Fire-extinguishing agents shall be compatible with the conveyed materials. [654:10.2.1]
Where fire detection systems are incorporated into pneumatic conveying dust collection, or centralized vacuum cleaning systems, an analysis shall be conducted to identify safe interlocking requirements for air-moving devices and process operations. [654:10.2.2]
Where fire-fighting water or wet product can accumulate in the system, vessel and pipe supports shall be designed to support the additional water weight. [654:10.2.3]
Where fire detection systems are incorporated into the pneumatic conveying, dust collection, or centralized vacuum cleaning system, the fire detection systems shall be interlocked to shut down any active device feeding materials to the pneumatic conveying, dust collection, or centralized vacuum cleaning system, on actuation of the detection system. [654:10.2.4.1]
Where spark or infrared detection and extinguishing systems are provided, the process shall be permitted to continue operating on activation of the detection system. [654:10.2.4.2]
Where a spark or infrared detection system actuates a diverter valve that sends potentially burning material to a safe location, the process shall be permitted to continue operating on activation of the detection system. [654:10.2.4.3]
Where the actuation of fire-extinguishing systems is achieved by means of electronic fire detection, the fire detection system, including control panels, detectors, and notification appliances, shall be designed, installed, and maintained in accordance with NFPA 72. [654:10.2.5]
All fire detection initiating devices shall be connected to the fire detection control panel via Style D or E circuits as described in NFPA 72. [654:10.2.6]
All fire detection notification appliances shall be connected to the fire detection control panel via Style Y or Z circuits as described in NFPA 72. [654:10.2.7]
All fire-extinguishing system releasing devices, solenoids, or actuators shall be connected to the fire detection control panel via Style Z circuits as described in NFPA 72. [654:10.2.8.1]
The supervision shall include the continuity of the extinguishing system releasing device, whether that device is a solenoid coil, a detonator (explosive device) filament, or other such device. [654:10.2.8.2]
All supervisory devices that monitor critical elements or functions in the fire detection and extinguishing system shall be connected to the fire detection control panel via Style D or E circuits as described in NFPA 72. [654:10.2.9]
All fire protection abort gates or abort dampers shall be connected to the fire detection control panel via Style Z circuits as described in NFPA 72. [654:10.2.10.1]
The supervision shall include the continuity of the abort gate or abort damper releasing device, whether that device is a solenoid coil, a detonator (explosive device) filament, or other such device. [654:10.2.10.2]
Portable fire extinguishers shall be provided throughout all buildings in accordance with the requirements of Section 13.6. [654:10.3.1]
Personnel shall be trained to use portable fire extinguishers in a manner that minimizes the generation of dust clouds during discharge. [654:10.3.2]
Standpipes and hose, where provided, shall comply with Section 13.2. [654:10.4.1]
Portable spray hose nozzles that are listed or approved for use on Class C fires shall be provided in areas that contain dust, to limit the potential for generating unnecessary airborne dust during fire-fighting operations. [654:10.4.2.1]
Straight-stream nozzles shall not be used on fires in areas where dust clouds can be generated. [654:10.4.2.2]
Straight-stream nozzles or combination nozzles shall be permitted to be used to reach fires in locations that are otherwise inaccessible with the nozzles specified in 40.5.4.2.1. [654:10.4.2.3]
Private outside protection, including outside hydrants and hoses, where provided, shall comply with Section 13.3. [654:10.4.3]
Where a process that handles combustible particulate solids uses flammable or combustible liquids, a documented risk evaluation that is acceptable to the AHJ shall be used to determine the need for automatic sprinkler protection in the enclosure in which the process is located. [654:10.5.1]
Automatic sprinklers, where provided, shall be installed in accordance with Section 13.3. [654:10.5.2]
Where automatic sprinklers are installed, dust accumulation on overhead surfaces shall be minimized to prevent an excessive number of sprinkler heads from opening in the event of a fire. [654:10.5.3]
Spark/ember detection and extinguishing systems shall be designed, installed, and maintained in accordance with NFPA 69, Standard on Explosion Prevention Systems, and Section 13.7. [654:10.6]
Automatic extinguishing systems or special hazard extinguishing systems, where provided, shall be designed, installed, and maintained in accordance with the following standards, as applicable:
  1. NFPA 11, Standard for Low-, Medium-, and High-Expansion Foam
  2. NFPA 12, Standard on Carbon Dioxide Extinguishing Systems
  3. NFPA 12A, Standard on Halon 1301 Fire Extinguishing Systems
  4. NFPA 15, Standard for Water Spray Fixed Systems for Fire Protection
  5. NFPA 16, Standard for the Installation of Foam-Water Sprinkler and Foam-Water Spray Systems
  6. NFPA 17, Standard for Dry Chemical Extinguishing Systems
  7. NFPA 25, Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems
  8. NFPA 750, Standard on Water Mist Fire Protection Systems
  9. NFPA 2001, Standard on Clean Agent Fire Extinguishing Systems [654:10.7.1]
The extinguishing systems shall be designed and used in a manner that minimizes the generation of dust clouds during their discharge. [654:10.7.2]
Alarm service, if provided, shall comply with Section 13.7. [654:10.8]
Impairments shall include anything that interrupts the normal intended operation of the fire protect ion or explosion prevention system. [654:10.9.1]
A written impairment procedure shall be followed for every impairment to the fire protection or explosion prevention system. [654:10.9.2]
Impairments shall be limited in size and scope to the system or portion thereof being repaired, maintained, or modified. [654:10.9.3]
Impairment notification procedures shall be implemented by management to notify plant personnel and the AHJ of existing impairments and their restoration. [654:10.9.4]
The requirements of 40.6.2 and 40.6.3 shall be applied retroactively. [654:11.1]
Operating and maintenance procedures shall be developed. [654:11.2.1]
Operating and maintenance procedures shall address personal protective equipment (PPE), including flame-resistant garments, in accordance with the workplace hazard assessment required by NFPA 2113, Standard on Selection, Care, Use, and Maintenance of Flame-Resistant Garments for Protection of Industrial Personnel Against Flash Fire. [654:11.2.2]
A written emergency response plan shall be developed for preventing, preparing for, and responding to work-related emergencies including but not limited to fire and explosion. [654:11.2.3]
The plans and procedures shall be reviewed annually and as required by process changes. [654:11.2.4]
Initial and refresher training shall be provided to employees who are involved in operating, maintaining, and supervising facilities that handle combustible particulate solids. [654:11.3.1]
Initial and refresher training shall ensure that all employees are knowledgeable about the following:
  1. Hazards of their workplace
  2. General orientation, including plant safety rules
  3. Process description
  4. Equipment operation, safe startup and shutdown, and response to upset conditions
  5. The necessity for proper functioning of related fire and explosion protection systems
  6. Equipment maintenance requirements and practices
  7. Housekeeping requirements
  8. *Emergency response plans [654: 11.3.2]
The employer shall certify annually that the training and review required by 40.6.2 and 40.6.3 have been completed. [654:11.4]
Owner/operators shall ensure that the requirements of 40.6.5.1.1 through 40.6.5.5 are met. [654:11.5.1]
Only qualified contractors possessing the requisite craft skills shall be employed for work involving the installation, repair, or modification of buildings (interior and exterior), machinery, arid fire protection equipment. [654:11.5.1.1]
Contractors involved in the commissioning, repair, or modification of explosion protection equipment shall be qualified as specified in Chapter 15 of NFPA 69, Standard on Explosion Prevention Systems. [654:11.5.1.2]
Contractors operating owner/operator equipment shall be trained and qualified to operate the equipment and perform the work. [654:11.5.2.1]
Written documentation shall be maintained detailing the training that was provided and who received it. [654:11.5.2.2]
Contractors working on or near a given process shall be made aware of the potential hazards from and exposures to fire, explosion, or toxic releases. [654:11.5.3]
Contractors shall be trained and required to comply with the facility's safe work practices and policies, including but not limited to equipment lockout/tagout permitting, hot work permitting, fire system impairment handling, smoking, housekeeping, and use of personal protective equipment. [654:11.5.4]
Contractors shall be trained on the facility's emergency response and evacuation plan, including but not limited to emergency reporting procedures, safe egress points, and evacuation areas. [654:11.5.5]
The requirements of 40.7.1.1 through 40.7.1.3 shall be applied retroactively. [654:12.1]
An inspection, testing, and maintenance program shall be developed and implemented to ensure that the fire and explosion protection systems and related process controls and equipment perform as designed. [654:12.1.1]
The inspection, testing, and maintenance program shall include the following:
  1. Fire and explosion protection and prevention equipment in accordance with the applicable NFPA standards
  2. Dust control equipment
  3. Housekeeping
  4. Potential ignition sources
  5. *Electrical, process, and mechanical equipment, including process interlocks
  6. Process changes
  7. Lubrication of bearings [654:12.1.2]
Records shall be kept of maintenance and repairs performed. [654:12.1.3]
Bearings shall be lubricated and checked for excessive wear on a periodic basis. [654:12.2.1.1]
If the material has a tendency to adhere to the feeder or housing, the components shall be cleaned periodically to maintain good balance and minimize the probability of ignition. [654:12.2.1.2]
Fans and blowers shall be checked periodically for excessive heat and vibration. [654:12.2.2.1]
Maintenance, other than the lubrication of external bearings, shall not be performed on fans or blowers while the unit is operating. [654:12.2.2.2]
Bearings shall be lubricated and checked periodically for excessive wear. [654:12.2.2.3]
If the material has a tendency to adhere to the rotor or housing, the components shall be cleaned periodically to maintain good balance and minimize the probability of ignition. [654:12.2.2.4]
The surfaces of fan housings and other interior components shall be maintained free of rust. [654:12.2.2.5]
Aluminum paint shall not be used on interior steel surfaces. [654:12.2.2.6]
Air-material separation devices that are equipped with a means to dislodge particulates from the surface of filter media shall be inspected periodically as recommended in the manufacturer's instructions for signs of wear, friction, or clogging. [654:12.2.3.1.1]
These devices shall be adjusted and lubricated as recommended in the manufacturer's instructions. [654:12.2.3.1.2]
Air-material separators that recycle air (i.e., cyclones and filter media dust collectors) shall be maintained to comply with 6.1.3 of NFPA 654. [654:12.2.3.2]
Filter media shall not be replaced with an alternative type unless a thorough evaluation of the fire hazards has been performed, documented, and reviewed by management. [654:12.2.3.3]
Abort gates and abort dampers shall be adjusted and lubricated as recommended in the manufacturers' instructions. [654:12.2.4]
All fire detection equipment monitoring systems shall be maintained in accordance with the requirements of 13.7.4.4. [654:12.2.5.1]
All fire-extinguishing systems shall be maintained pursuant to the requirements established in the standard that governs the design and installation of the system. [654:12.2.5.2]
All vents for the relief of pressure caused by deflagrations shall be maintained. [654:12.2.5.3]
All explosion prevention systems and inerting systems shall be maintained pursuant to the requirements of NFPA 69. [654:12.2.5.4]
UpCodes Premium
Leverage the most sophisticated code compliance platform.
TRY FREE FOR TWO WEEKS VISIT PRICING