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Re: Retaining Wall Question -Reply

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On the waterproofing question:

In a construction dispute that went to arbitration,  the Owner's lawyer
asserted that all retaining walls should be waterproofed against the soil.
This project was a residential "L" shaped retaining wall that had a stucco
finish on the rear yard side. The stucco became discolored after the
rainy season and the owners sued the engineer for not specifying
waterproofing.

Questions:  How many practicing engineers specify waterproofing for
retaining walls that  are not part of a weatherproof structure? How many
leave this decision to the architect? Do you believe this situation
constitutes a construction defect ? 

Tim McCormick, P.E.