Bagged Materials
Bags and bundles should be stacked in interlocking rows to remain secure. Bagged material should be stacked by stepping back the layers and cross-keying the bags at least every ten layers. To remove bags from the stack, start from the top row first.
Bulk Materials
Ensure entry to bulk storage locations, such as silos, hoppers, tanks, or bins (which are also classified as confined spaces) complies with OSHA requirements and local operating procedures.
Lumber
Stack lumber on level and solidly supported sills so that the stacks are stable. Do not pile lumber more than 16 feet high.
Bricks and Masonry Blocks
Stack bricks and masonry blocks on level and solid surfaces.
- Bricks: Stack bricks no more than 7 feet high. Step back a loose brick stack at least 2 inches for every foot of height above 4 feet. Stack packaged brick no more than three units high.
- Masonry Blocks: Step back masonry blocks one-half block per tier above the 6-foot level.
Cement and Lime
Handling or storing cement or lime requires a job hazard analysis (JHA). Lime requires careful storage and handling procedures. Store unslaked lime in a dry area and, because it presents a fire hazard, separate it from other materials.
Knowledge Check Choose the best answer for the question.
4-7. What is the requirement for stacking bagged material so that they remain secure?
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