[edit on Wikidata] Spinal anaesthesia (or spinal anesthesia), also called spinal block, subarachnoid block, intradural block and intrathecal block, is a form of regional anaesthesia involving the injection of a local anaesthetic into the subarachnoid space, generally through a fine needle, usually 9 cm (3.5 in) long.
Calculate the amount of square inches that needs to be rebuilt. The rebuilding cost runs approximately $100 to $200 per square inch. This is determined by the materials used and the labor cost, which you can save on if you are rebuilding the chimney yourself.
How to Calculate Costs on a Chimney Rebuild. Written by ehow home & garden editor. Maintaining your fireplace and chimney can preserve the value of your home and prevent fires or other malfunctions.