Society for Creative Anachronism activities century) fencing manuals. Archery activities in the SCA include both target archery and combat archery, using equipment modified for safety in conjunction with armoured combat during melee scenarios. Armoured Combat (sometimes referred to as "Heavy Combat", "Heavy List", or "Heavy Fighting") using weapons fashioned to generally approximate the sword-and-shield, greatsword, spear, glaive and halberd of the High Middle Ages. Fencing or Rapier Combat, generally approximating the lightly armored "swashbuckling" of the 15th century and the 16th century, emphasizing the rapier over cutting swords. Many members of the Society study and practice period manuals from the salons of Western Europe whose
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