That really depends on the size of the wall...
Costs vary by geographic location.
Add the studs where needed.
A 2 x 4 is the most common size stud. Some people will use 2 x 6 lumber to increase insulation values or when your walls get over 10" in height.
function of frame wall
Depends on how big the wall is and how high.
Picture, Wall, Frame.
Remove rotted material from the wall and re-frame it using pressure treated lumber or a foam or tar paper membrane between the bottom plate and the concrete.
With the wall laying flat, measure diagonally from corner to corner both ways. Adjust the wall until these measurements are exactly the same. At that point you have a square wall. Either sheet the wall or run a piece of lumber diagonally from corner to corner nailing it to each stud, this will hold the wall square when it comes time to stand it up. Hope this helps
3- picture, frame, wall.
The multistorey shear wall will opening are called coupled shear wall. these can be idealised by a frame with infinite joints. the coupled is thus represented as a frame accept.
It depends on the size of the fountain. You have to calculate the height, depth, and width to figure out how much space is needed.
The finished wall width after wall coverings are applied.
If correctly installed there shouldn't be much damage done to your wall with this LCD TV mount. At the most there should be a few small holes from the insertion of screws. If installed correctly, this will do no more damage than if you were to hang a picture frame on your wall.