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.
For the purpose of this discussion we will consider the costs of building a retaining wall from cast concrete and at a length of 50 linear feet. We will also take into consideration various heights as well, ranging from six, eight and ten feet. Costs will vary widely. 2  The Wall-for a cast in place (concrete) retaining wall with a vertical face, installed on no more than a 33 degree slope with a level embankment, at 6' high (including excavation and backfill) the cost will be $12,800.