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printreg, February, 2001
RE: WI requirements for Solvent Storage


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From:Gary Jones(gjonesprinting@aol.com )
Date:Tue, 27 Feb 2001 15:18:02 EST


Tony: I agree with the previous responders on this one. You need to check with the local/state fire Marshall. Here in PA, if you store materials that present an explosion hazard in bulk, they need to placed into either solvent storage cabinets or a solvent storage room. The definition of a material with an explosion hazard in PA is any liquid with a flashpoint greater than 200oF and bulk means anything more that a 5 gallon container. Here is a quick bullet summary of OSHA's 1910.106 regulations on storage of flammable and combustible material: OSHA does have a set of regulations that govern the storage and handling of flammable and combustible materials. OSHA's regulations on this fall under 29 CFR 1910.106. 1910.106 generally mirrors NFPA 30, but unlike NFPA 30 has not been updated in many years. Nevertheless, here is a quick bullet summary of OSHA=E2=80=99s regulations

Definition of Flammable and Combustible Liquids Flammable Liquids:

Class I-A Flashpoint < 73oF and Boiling Point < 100oF

Class I-B Flashpoint < 73oF and Boiling Point > 100oF Class I-C Flashpoint Between 73oF - 100oF (No Boiling Point Cutoff)

Combustible Liquids Class II Flashpoint Between 100oF - 140oF

Class III-A Flashpoint Between 140oF - 200oF Class III-B Flashpoint P >200oF )

 

Container Limits According to federal OSHA 1910.106 (d)(2)(iii), individual containers of=20 flammable or combustible liquids must not exceed the volumes in table H-12 as follows:

Container Class IA Class IB Class IC ClassII Class III Glass or approved plastic

1 pt 1qt. 1 gal 1gal 1 gal Metal (other than DOT drums)

1 gal 5 gal 5 gal 5 gal 5gal Safety Cans

2 gal 5 gal 5 gal 5 gal 5gal Metal drums (DOT specifications)

60 gal 60 gal 60 gal 60 gal 60 gal Flammable/Combustible Storage

General Requirements Flammable/Combustible Liquids Not Stored To Limit Access To Exits,Stairways, Aisles & Halls. Flammable/Combustible Liquids Not Stored In Office Areas. Exception For Maintenance or Equipment Operation. Leaking Containers Removed To Storage Room or To Safe Location Outside Building o Contents Transferred To Undamaged Container. Outside Building Storage 1,100 Gallons Maximum of Flammable Or Combustible Liquids Allowed Adjacent To Buildings Located At Same Premises. Quantities In Excess of 1,100 Gallons Must Be Stored 10 Feet Between Buildings & Nearest Container of Flammable\Combustible Liquid. Storage Area To Be Graded Diverting Spills Away From Buildings or Other Exposures or Surrounded By Curb At Least 6 Inches High. Flammable Liquid Bulk Storage Quantities Allowed In Any One Fire Cutoff Area: o 25 Gallons of Class IA o 120 Gallons of Class IB, IC, II, or III o 660 Gallons of Class IB, IC, II or III In Single Port Tank Quantities Exceeding Above Amounts Required To Be Stored In Solvent Storage Room or Cabinets. Fire Cutoff Area Defined By NFPA Life Safety Code o Generally Means Separated By Walls & 2 Hr Fire Door Flammable/Combustible StorageStorage Cabinets Quantities Per Cabinet Limited To o 60 gallons of Class I and/or Class II liquids o 120 gallons of Class III liquids Construction of Solvent Storage Cabinet Bottom, Top, Door, and Sides of Metal Cabinets Shall Be No. 18 Gage Sheet Metal, Double Walled With 1 1/2-Inch Air Space. Door Shall Have Three-Point Lock. Door Sill Raised 2 Inches Above Bottom of Cabinet. Solvent Storage Room Requirements Pressure Relief Panel and Pressure Resistant Separating Walls Electrical Wiring:=20 o Class I, Division I or II, Group D o Grounding To Natural Ground Depressed Floor Stationary Fire Protection Ventilation - 1 CFM/Sq. Ft. Flammable Liquid Bulk Storage Containers Labeled, Grounded, and Approved Transfer Pump Used. Drip Pans With Flash Screen. Employees Trained In Emergency Procedures. No Smoking Signs Posted. Spill Cleanup, First Aid Materials and Alarm Signaling Nearby. Flammable Liquid Point Of Use Storage NFPA Approved Safety Cans, Undamaged, and Closed Unless in Use. No More Than One Day's Supply in Manufacturing Area. Keep Away From Ignition Sources. Use In Well Ventilated Area. Solvent Laden Shop Towels Stored In Closed Container. Gary Jones



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