With any dislocated join, including the thumb, Mayo Clinic recommends seeking immediate medical care. First aid providers should splint the joint without attempting to bend it or force it back into...
Cost Of Retaining Wall. The cost of a retaining wall depends on the material chosen, the overall height of the wall and the length of the wall. Wood retaining walls start at $15 per square foot, while concrete retaining walls start at $20 per square foot.
Shopping for a retaining wall: 1  Hiring an engineer to help design a retaining wall can run about $200-$500 or more, depending on the complexity and extent of the project. 2  Hiring an engineer is strongly recommended for walls over 3 feet high.etaining walls are typically built to create a flat area on a sloped parcel or to control erosion by holding back soil, but they can also be an attractive addition, adding colors and textures to the landscape.