[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.
1 Most chimneys are going to be within 20 to 25 linear feet. 2  The price for chimney relining depends on the type of materials that will be used for the job. 3  For example, a chimney that is 20 linear feet will cost anywhere from $960 to $1,640.