Burbank's Benmar retaining walls

If you've been around Burbank for awhile, you know about the BenMar development from the 1950's.  This tract was converted into the 91504 ranch houses that we know and love.  But why are all the BenMar retaining walls failing? Are 60 years the maximum time that cinderblock can hold back dirt? Just asking...

Burbank's Benmar retaining walls Rating: 4.5 Diposkan Oleh: jembe