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.
Length 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.