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T o p i c 3

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T o p i c 3

  2. 2. Bill of Quantity Describe the uses and importance of BoQ Unit of quantity measurement Recognize the structural drawing Estimate earthwork Produce taking off quantities of substructure
  3. 3. Bill of Quantity BQ are prepared by the quantity surveyors and are widely used for project costing, tendering, as part of contract documentation and for valuation of interim payment and variation orders. They are produced according to the locally produced Standard Method of Measurement (SMM)
  4. 4. To provide a basis for tendering used for valuation of interim payments used for valuation of variation orders to order and purchase materials
  5. 5. Size Unit 1. Length 2. Area 3. Volume 4. Weight 5. Amount 6. Work cannot be measured by any unit of measurement Meter Meter square Meter cube Kg Number Item
  6. 6. A structural drawing, a type of technical drawing, shows information about architectural foundations, roof, or other structural details. STRUCTURAL   DRAWINGS   (sometimes identified  with  the  designating  letter  S on their title blocks) consist of all the drawings that describe the structural members of the building and their relationship  to  each  other.  A  set  of  structural drawings includes foundation plans and details, framing plans and details, wall sections, column and   beam   details,   and   other   plans,   sections, details, and schedules necessary to describe the structural  components  of  the  building  or  structure. The general notes in the structural drawings should also include, when applicable, roof, floor, wind,  seismic,  and  other  loads, allowable soil pressure or pile bearing capacity, and allowable stresses of all material used in the design.
  7. 7. Taking off quantities of substructure: piling work for concrete pile and timber pile  work below lowest level (concrete, formwork and reinforcement) i. foundation ii. column stump iii. ground beam iv. ground slab.
  8. 8. Piling work
  9. 9. Foundation
  10. 10. Column stump
  11. 11. Ground Beam
  12. 12. Ground Slab