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.ength in Feet: 90. Built 90 feet length 4 ft high block retaining wall with grout and footings-a lot of concrete and rebar. Paid $6,000 for the wall itself, including drain pipe, plus about $3000 to dig a trench, remove extra dirt from the site, place gravel and backfill.