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What is the maximum allowable height for a retaining wall without the need for a building permit?

0.6 meters

Retaining walls are structures used to hold back soil or other materials. The maximum allowable height without a building permit varies depending on location, but usually ranges from 0.6 to 1.0 meter. Option B, C, and D are all incorrect as they exceed the maximum allowable height and would require a building permit. Additionally, it is important to note that local building codes and regulations should always be consulted before constructing a retaining wall.

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1.0 meter

1.5 meters

2.0 meters

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