What is the spacing distance between tanks storing Class I, II, or IIA?

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Multiple Choice

What is the spacing distance between tanks storing Class I, II, or IIA?

Explanation:
Spacing between tanks storing Class I, II, or IIA liquids is determined by one-sixth of the sum of their diameters. This rule provides enough separation to limit radiant heat transfer from one tank to another, reducing the risk of ignition spreading within a group of storage tanks. To apply it, add the diameters of the two tanks and take one-sixth of that total as the minimum clearance. For example, two tanks each 12 feet in diameter require (12 + 12) / 6 = 4 feet of spacing. This distance balances safety with practical space use; larger spacings would be unnecessary, while smaller spacings would raise the risk of fire spread.

Spacing between tanks storing Class I, II, or IIA liquids is determined by one-sixth of the sum of their diameters. This rule provides enough separation to limit radiant heat transfer from one tank to another, reducing the risk of ignition spreading within a group of storage tanks. To apply it, add the diameters of the two tanks and take one-sixth of that total as the minimum clearance. For example, two tanks each 12 feet in diameter require (12 + 12) / 6 = 4 feet of spacing. This distance balances safety with practical space use; larger spacings would be unnecessary, while smaller spacings would raise the risk of fire spread.

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