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.
1 The price of retaining wall construction can depend on several factors. 2  The main difference in the price can be due to the type of material that will be used to build the wall. 3  On average, a professional contractor is going to charge anywhere from $17 to $35 per square face foot. A retaining wall that uses a material such as wood rather than brick can cost anywhere from $19 to $30 per square face foot for a professional laborer to come in. 2  Higher quality stone can cost upwards of $40 per square face foot.