Bardiche at the top of the pole and one lower, at the base of the blade) or one socket at the top and one surface mount at the base, effectively mounting the heavy blade to the wooden shaft. This construction is also seen in Scottish polearms, such as the Lochaber axe and Jeddart staff, and bardiches are known to have been imported into Scotland in the 16th and 17th centuries Depending on the design of the particular weapons in question, at times a bardiche may greatly resemble a voulge. While the blade was often very long for an axe (usually exceeding
Bill of quantities As the rates for materials and labour change due to inflation, these books are frequently republished.. The practice historically of estimating building costs in this way arose from non-contractual measurements, taken off drawings to assist tenderers in quoting lump sum prices. There are different styles of bills of quantities, mainly the Elemental BOQ and Trade Bills. A Contingency sum is an item found within a Bill of quantities (BoQ). The item refers to unforeseeable cost likely to be incurred during the contract. There are two types of contingency sum. The first refers to a specific item, e.g., 'additional alterations to