511 EM 385-1-1 Chapters 9-15

Sections

14-8. General Requirements.

Material Storage Guidelines

Securely stack and stabilize materials, ensuring they are safe from sliding or collapse, with heights as low as practical and in no case higher than 20 feet unless otherwise specified.
Protect materials susceptible to damage by the elements through adequate covering or indoor storage.
Position materials away from operational, power line, and construction areas to prevent obstruction and ensure safety.

Specific Storage Requirements

Follow manufacturer’s instructions and specific chapters in the manual for storing hazardous materials, gas cylinders, and materials sensitive to environmental conditions.
Ensure clear access by keeping storage areas free from materials and obstructions, and restrict unauthorized access.
Adhere to load limits when storing materials on scaffolds, platforms, or runways and maintain safety distances from hoist-ways, floor openings, and exterior walls.

Storage of Specific Materials

Store lumber, bagged materials, bricks, blocks, and reinforcing or structural steel in specified manners, ensuring stability and adhering to height restrictions.
For cylindrical materials, stack and block securely to prevent tilting or spreading and unload safely to avoid hazards.
Store flammable or paint-soiled materials, and temporary enclosures with care, using flame-resistant containers or coverings.

Knowledge Check Choose the best answer for the question.

14-6. Ensure stacked materials are safe from sliding or collapse, with heights _____.

no more than 3 stacked levels

in no case higher than 20 feet unless otherwise specified

not more than four times the width of the stack

over 20 feet only if approved by the KO or COR

You forgot to answer the question!

EM 385-1-1 Paragraph 14-8 (b.–b.(20)(d).

14-8. General Requirements. (b.–b.(20)(d).

b.  Material Storage.

(1)  Stack, block, interlock, and limit in height all material in bags, containers, bundles, or stored in tiers so that it is stable and secured against sliding or collapse.

(a)  Stack material as low as practical and in no case higher than 20 feet (6.1 m) unless otherwise specified in this chapter.

(b)  Store hazardous and toxic agents according to chapter 6.

(2)  Adequately cover or store indoors material that could become damaged or affected by exposure to the elements.

(3)  Do not store materials in areas that would interfere with other normal operations.

(4)  Do not store materials directly under power lines unless safe clearance or distance from all materials to the power line is achieved.  Document this situation in an AHA.  (See chapter 11)

(5)  Store materials according to the manufacturer’s recommended method of storage.

(6)  Do not place materials stored inside buildings under construction within 6 feet (1.8 m) of any hoist-way or floor opening, or within 10 feet (3 m) of an exterior wall that does not extend above the materials stored.

(7)  Keep all stairways, passageways, gangways, and accessways free of materials, supplies, and obstructions at all times.

(8)  Unauthorized persons are not permitted to enter storage areas.  Ensure that everyone is in a safe position while materials are being loaded or unloaded from railroad cars, trucks, or barges.

(9)  Do not store material on scaffolds, work platforms, or runways in excess of the load limits (see chapters 24 and 22).
    (10) Evaluate the containers, bins, or hoppers used for material storage to ensure that they comply with the confined space requirements of chapter 34.

(11)  Segregate noncompatible stored materials.

(12) Do not store flammable or combustible materials in areas where there is danger of underground fire.

(13) When not in use, store paint-soiled clothing and drop cloths in well-ventilated steel cabinets or containers.

(14) Cover temporary enclosures with flame-resistant tarpaulins or material of equivalent fire-resistant characteristics.

(15)  Storage of Lumber.

(a)  During construction, store lumber in sections that contain no more than one million board feet and locate them at least 10 feet (3 m) away from buildings.

(b)  Support lumber on stable sills and stack it level, stable, and self-supporting.

(d)  Do not pile lumber more than 20 feet (6.1 m) in height.  Do not stack manually handled lumber more than 16 feet (4.9 m) high.

(16)  Storage of Bagged Materials.

(a)  Stack bagged materials by stepping back the layers and cross keying the bags at least every 10 bags high.

(b)  Do not stack bags of cement or lime more than 10 high without setback, except when restrained by walls of appropriate strength.

(d)  During unstacking, keep the top of the stack nearly level and maintain the necessary setback.

(17)  Storage of Brick.

(a)  Stack bricks on an even, solid surface.

(b)  Do not stack bricks more than 7 feet (2.1 m) high.  When stacked loose brick reaches a height of 4 feet (1.2 m), taper it back 2 inches (5.1 cm) for every 1-foot (0.3 m) of height above the 4 feet (1.2 m) level.

(c)  Do not stack unitized brick (that is, brick securely gathered into large standard packages and fastened with straps) more than three units high.

(18)  Storage of Floor, Wall, and Partition Block.

(a)  Stack blocks in tiers on solid, level surfaces.

(b)  When masonry blocks are stacked higher than 6 feet (1.8 m), taper back the one-half block per tier above the 6 feet (1.8 m) level.

(19)  Storage of Reinforcing and Structural Steel.

(a)  Store reinforcing steel in orderly piles away from walkways and roadways.

(b)  Securely pile structural steel to prevent members sliding off or the pile toppling over.

(20)  Storage of Cylindrical Material.

(a)  Stack and block structural steel, poles, pipe, bar stock, and other cylindrical materials, unless racked, to prevent spreading or tilting.

(b)  Do not stack pipe, unless racked, higher than 5 feet (1.5 m).

(c)  Use either a pyramid or battened stack. Where a battened stack is used, securely chock the outside pile or pole.  Taper back battened stacks at least one pile or pole in each tier.

(d)  Unload round material using a method that does not require anyone to be on the unloading side of the carrier after the tie wires have been cut or during the unlocking of the stakes.