Aetnaâs standard HMO plans cover surgical dressings when they are medically necessary for wound debridement or for the treatment of a wound caused by, or treated by, a surgical procedure. Please check benefit plan descriptions.
The only drawback to this type of retaining wall is the lack of lateral strength it has. If too much water or extra pressure is exerted on the wall, it could fail in spots. Expect to pay between $15 and $30 per square foot of wall, depending on the style and strength of block you choose.
Concrete Retaining Wall Prices. Concrete retaining wall prices start around $30 per square foot including materials and installation and can go as high as $45 to $50 per square foot depending on how much prep work is involved in building the forms.Walls higher than four feet typically require a different type of form which will raise the cost.ailroad ties are the most commonly used wood for a retaining wall, and prices for this type of wall cost between $25 and $30 per square foot of wall.