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As used in construction, the word is WALER or WALE- no H. It refers to a supporting beam or timber placed horizontally along an excavation. It takes it's name from the wale of a boat- a board running along the length of the boat. A brace for an excavation may be held open by "spreaders and walers". Spreaders run across the excavation, and brace against the walers- running down the length of the excavation, and the timbers- running up and down . See figure 19 on the link below.

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15y ago

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