502 EM 385-1-1 Sections 14-19

14.C Material Storage.

1. Material must be stacked as low as practical and in no case higher than 20 ft (6 m) unless otherwise specified in this Section.
2. Storage of flammable and combustible materials is covered in Section 9.
3. Storage of hazardous and toxic agents is covered in Section 6.
4. Storage of compressed gas cylinders is covered in Section 20.D.03.

14.C.02 Materials that could become damaged or affected by exposure to the elements must be adequately covered or stored indoors.

14.C.03 Materials must not be stored in areas that would interfere with other normal operations.

14.C.04 Materials must not be stored directly under power lines unless safe clearance/distance from all materials to the power line is achieved. Documentation must be in an AHA.

14.C.05 Material storage must be in compliance with manufacturer's recommendations.

14.C.06 Materials stored inside buildings under construction must not be placed within 6 ft (1.8 m) of any hoistway or floor opening, or within 10 ft (3 m) of an exterior wall that does not extend above the materials stored.

14.C.07 Accessways must be kept clear.

14.C.08 Unauthorized persons must be prohibited from entering storage areas. All persons must be in a safe position while materials are being loaded or unloaded from railroad cars, trucks or barges.

14.C.09 Material must not be stored on scaffolds, work platforms, or runways in excess of the standards in Section 22.

14.C.10 Materials stored in bins or hoppers that could create an engulfment hazard must be evaluated and comply with the confined space requirements in Section 33.

14.C.11 Noncompatible materials must be segregated in storage.

14.C.13 Storage of bagged materials.

1. Bagged materials must be stacked by stepping back the layers and cross-keying the bags at least every 10 bags high.
2. Bags of cement and lime must not be stacked more than 10 high without setback, except when restrained by walls of appropriate strength.
3. The bags around the outside of the stack must be placed with the mouths of the bags facing the center of the stack.
4. During unstacking, the top of the stack must be kept nearly level and the necessary setback maintained.

14.C.14 Storage of brick.

1. Brick must be stacked on an even, solid surface.
2. Bricks stacks must not be more than 7 ft (2.1 m) high. When stacked loose brick reaches a height of 4 ft (1.2 m), it must be tapered back 2 in (5 cm) in every 1 ft (0.3 m) of height above the 4 ft (1.2 m) level.
3. Unitized brick (brick securely gathered into large standard packages and fastened with straps) must not be stacked more than three units high.

14.C.15 Storage of floor, wall, and partition block.

1. Blocks must be stacked in tiers on solid, level surfaces.
2. When masonry blocks are stacked higher than 6 ft (1.8 m), the stack must be tapered back one-half block per tier above the 6 ft level.

14.C.16 Storage of reinforcing and structural steel.

1. Reinforcing steel must be stored in orderly piles away from walkways and roadways.
2. Structural steel must be securely piled to prevent members sliding off or the pile toppling over.

14.C.17 Storage of cylindrical material.

1. Structural steel, poles, pipe, bar stock, and other cylindrical materials, unless racked, must be stacked and blocked so as to prevent spreading or tilting.
2. Pipe, unless racked, must not be stacked higher than 5 ft (1.5 m).
3. Either a pyramid or battened stack must be used.
4. Where a battened stack is used, the outside pile or pole must be securely chocked. Battened stacks must be tapered back at least one pile or pole in each tier.
5. Unloading of round material must be done so that no person is required to be on the unloading side of the carrier after the tie wires have been cut or during the unlocking of the stakes.

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