Subpart H - Material Handling
- 2. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.250 General requirements for storage 1926.250(a) General. (1) “All materials stored in tiers shall be stacked, racked, blocked, interlocked, or otherwise secured to prevent sliding, falling or collapse.” 1926.250(a)(2) “Maximum safe load limits of floors within buildings and structures, in pounds per square foot, shall be conspicuously posted in all storage areas, except for floor or slab on grade. Maximum safe loads shall not be exceeded.”
- 3. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.250 General requirements for storage 1926.250(b)(6) “Brick stacks shall not be more than 7 feet in height. When a loose brick stack reaches a height of 4 feet, it shall be tapered back 2 inches in every foot of height above the 4-foot level.” 1926.250(b)(7) “When masonry blocks are stacked higher than 6 feet, the stack shall be tapered back one- half block per tier above the 6-foot level.” 3
- 4. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.250 General requirements for storage 1926.250(b)(8) “Lumber;” 1926.250(b)(8)(i) “Used lumber shall have all nails withdrawn before stacking.” 1926.250(b)(8)(ii) “Lumber shall be stacked on level and solidly supported sills.” 1926.250(b)(8)(iii) “Lumber shall be so stacked as to be stable and self supporting.” 1926.250(b)(8)(iv) “Lumber piles shall not exceed 20 feet in height provided that lumber to be handled manually shall not be stacked more than 16 feet high.”
- 5. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.250 General requirements for storage 1926.250(c) Housekeeping. “Storage areas shall be kept free from accumulation of materials that constitute hazards from tripping, fire, explosion, or pest harborage. Vegetation control will be exercised when necessary.” 5
- 6. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.251 Rigging equipment for material handling 1926.251(a) General. (1) “Rigging equipment for material handling shall be inspected prior to use on each shift and as necessary during its use to ensure that it is safe. Defective equipment shall be removed from service.” 6
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- 8. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.251 Rigging equipment for material handling 1926.251(a)(6) Inspections. “Each day before being used, the sling and all fastenings and attachments shall be inspected for damage or defects by a competent person designated by the employer. Additional inspections shall be performed during sling use, where service conditions warrant. Damaged or defective slings shall be immediately removed from service.” 8
- 9. OSHA OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION 1926.251 Rigging equipment for material handling Synthetic Fiber Metal Mesh Alloy Steel Wire Rope
- 10. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.251 Rigging equipment for material handling 1926.251(b) Alloy steel chains. (1) “Welded alloy steel chain slings shall have permanently affixed identification stating size, grade, rated capacity, and sling manufacturer.” 1926.251(b)(3) “Job or shop hooks and links, or makeshift fasteners, formed from bolts, rods, etc. or other such attachments, shall not be used.” 10
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- 12. It must be marked with grade or manufacturer's mark
- 13. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.251 Rigging equipment for material handling 1926.251(b)(6) Inspections. (i) “In addition to the inspection required by other paragraphs of this section, a thorough periodic inspection of alloy steel chain slings in use shall be made on a regular basis, to be determined on the basis of (A) frequency of sling use; (B) severity of service conditions; (C) nature of lifts being made; and (D) experience gained on the service life of slings used in similar circumstances. Such inspections shall in no event be at intervals greater than once every 12 months.”
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- 15. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.251 Rigging equipment for material handling 1926.251(b)(6)(ii) “The employer shall make and maintain a record of the most recent month in which each alloy steel chain sling was thoroughly inspected, and shall make such record available for examination.” 15
- 16. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.251 Rigging equipment for material handling 1926.251(c) Wire rope. (1) …………the safe working loads recommended by the manufacturer for specific, identifiable products shall be followed, provided that a safety factor of not less than 5 is maintained. 1926.251(c)(2) “Protruding ends of strands in splices on slings and bridles shall be covered or blunted.” 16
- 17. Wire Core Center Strand Wire rope
- 18. Left Regular Lay Right Regular Lay Left Lang Lay Right Lang Lay 18
- 19. One Wire Rope Lay One strand makes a 360 degree turn 19
- 20. Dead End 20
- 21. 6 x 25 Wire Rope Each strand contains 25 wires 6 Strands
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- 24. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.251 Rigging equipment for material handling 1926.251(c)(4)(i) “An eye splice made in any wire rope shall have not less than three full tucks. However, this requirement shall not operate to preclude the use of another form of splice or connection which can be shown to be as efficient and which is not otherwise prohibited.” 24
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- 26. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.251 Rigging equipment for material handling 1926.251(c)(5)((i) “When used for eye splices, the U- bolt shall be applied so that the “U” section is in contact with the dead end of the rope.” 26
- 27. Dead End 27
- 28. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.251 Rigging equipment for material handling 1926.251(c)(6) “Slings shall not be shortened with knots or bolts or other makeshift devices.” 1926.251(c)(7) “Slings legs shall not be kinked.” 1926.251(c)(8) “Slings used in a basket hitch shall have the loads balanced to prevent slippage.” 1926.251(c)(9) “Slings shall be padded or protected from the sharp edges of their loads.”
- 29. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.251 Rigging equipment for material handling 1926.251(c)(10) “Hands or fingers shall not be placed between the sling and its load while the sling is being tightened around the load.” 1926.251(c)(11) “Shock loading is prohibited.” 1926.251(c)(12) “A sling shall not be pulled from under a load when the load is resting on the sling.” 29
- 30. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.251 Synthetic webbing (nylon, polyester, and polypropylene) 1926.251(e)(1) “The employer shall have each synthetic web sling marked or coded to show:” 1926.251(e)(1)(i) “Name or trademark of manufacturer.” 1926.251(e)(1)(ii) “Rated capacities for the type of hitch.” 1926.251(e)(1)(iii) “ Type of material.” 30
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- 33. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.251 Synthetic webbing (nylon, polyester, and polypropylene) 1926.251(e)(4) Fittings. “Fittings shall be:” 1926.251(e)(4)(i) “Of a minimum breaking strength equal to that of the sling; and” 1926.251(e)(4)(ii) “Free of all sharp edges that could in any way damage the webbing.” 33
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- 35. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.251 Synthetic webbing (nylon, polyester, and polypropylene) 1926.251(e)(8) Removal from service. “Synthetic web slings shall be immediately removed from service if any of the following conditions are present:” 1926.251(e)(8)(i) “Acid or caustic burns;” 1926.251(e)(8)(ii) “Melting or charring of any part of the sling surface;” 1926.251(e)(8)(iii) “Snags, punctures, tears or cuts;” 1926.251(e)(8)(iv) “Broken or worn stitches; or” 1926.251(e)(8)(v) “Distortion of fittings.”
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- 38. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.252 Disposal of waste material 1926.252(a) “Whenever materials are dropped more than 20 feet to any point lying outside the exterior walls of the building, an enclosed chute of wood, or equivalent material, shall be used. For the purpose of this paragraph, an enclosed chute is a slide, closed in on all sides, through which material is moved from a high place to a lower one.” 38
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- 40. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.252 Disposal of waste material 1926.252(b) “When debris is dropped through holes in the floor without the use of chutes, the area onto which the material is dropped shall be completely enclosed with barricades not less than 42 inches high and not less than 6 feet back from the projected edge of the opening above. Signs warning of the hazard of falling materials shall be posted at each level. Removal shall not be permitted in this lower area until debris handling ceases above.” 40
- 41. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION Subpart H – Materials Handling, Storage, Use, and Disposal 1926.252 Disposal of waste material 1926.252(b) “Disposal of waste material or debris by burning shall comply with local fire regulations.” 1926.252(e) “All solvent waste, oily rags, and flammable liquids shall be kept in fire resistant covered containers until removed from worksite.” 41
- 42. OCCUPATIONAL SAFETY AND HEALTH OSHA ADMINISTRATION 1926.850 Prepatory operations 1926.850(h) “When debris is dropped through holes in the floor without the use of chutes, the area onto which the material is dropped shall be completely enclosed with barricades not less than 42 inches high and not less than 6 feet back from the projected edge of the opening above. Signs, warning of the hazard of falling materials, shall be posted at each level. Removal shall not be permitted in this lower area until debris handling ceases above.” 42