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.
Individual, Pre-Formed Blocks. The cost of standard, pre-formed concrete blocks will range from approximately $2 to $3 per square foot. The cost of standard, pre-formed blocks for a project requiring 200 square feet of landscape curbing would total about $400 to $600.