Silos

• Pages: 189-192

20. Silos

20.1. Construction and equipment of silos

General provisions

20.1.1. Silos should:

be erected on adequate foundations; and

withstand the stresses to which they will be subjected without

any deformation of walls, floors or other load-bearing parts.

20.1.2. Lanes for trackless vehicles that drive under the

discharge openings or appliances should allow an adequate

clearance between the vehicles and the silo.

20.1.3. Traffic lanes under silos should be clearly and durably

marked with the maximum width and height of vehicles allowed

to use them.

20.1.4. All places in silos to which workers have to go should

be provided with safe means of access such as stairs, fixed ladders,

columns of iron rungs, gangways, boatswain's chairs or hoists

complying with the relevant requirements of this Code.

20.1.5. Inside silos there should be no structure or projection

that hinders the flow of material.

20.1.6. Facilities should be provided to enable the quantity

of material in the silo to be assessed without entering the silo.

20.1.7. In closed parts of silos, only heating appliances with

no open flames should be used.

20.1.8. If silos have electric lighting the switches and sockets

should be outside near the entrances.

20.1.9. On silos, notices should be conspicuously displayed:

containing details of the requirements for entry contained

in paragraph 20.2.2; and

calling attention to the danger of sinking in fine materials.

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