Strip  - The main footing used in construction. Used on good ground. Usually a minimum of 1m deep., Wide strip - Reinforced and used on weaker or soft ground. Common on sandy soils., Trench fill - Where the footing is mass filled with concrete to use less blocks. Trench fill must be perfectly level, Stepped - Used on sloping ground. Level between each step, each step works block gauge. Prevents mass excavation., Raft - Used on unstable ground. Footing and floor are poured as one to create a whole structure. Reinforcement must be used., Pad - To support a point load like a pier or metal stanchion., Pile - Used on weak ground where the soil can not support the weight of the build. Common on industrial and commercial.,

Foundation identification

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