2011-10-29T20:19:22Z It consists of a ground floor and a basement (with one shear wall) while its foundation consists of spread footings tied by connecting beams as well as one The bill of quantities assists tenderers in the calculation of construction costs for their tender, and, as it means all tendering contractors will be pricing the same quantities (rather than taking-off quantities from the drawings and specifications themselves), it also In addition to raw materials, the quantity takeoff will include any prefabrication in construction that are necessary for the project. endstream After an estimator has compiled a comprehensive list of the materials required, their specifications, and their quantities, the estimator can then begin to prepare a material price estimate. 1. As you could assume, there are many, benefits of using construction estimating software. If the software has the capability, price information can be drawn from a database of current prices populated by the contractor. This book is very important to students studying Civil engineering and Quantity surveying in higher institutions. Taking off quantities: Civil Engineering demonstrates, through a series of detailed worked examples from a range of civil engineering projects, how the measurement techniques are actually used. Step 1: Calculate out the volume of mortar of one brick. Breaking down the Process You need to master how you will break down every process to suit your workflow. It includes a variety of trades such as clearing site, top soil removing, excavation, concrete work and You may also hear a quantity takeoff referred to as a construction takeoff. = c/c length + one breadth. A quantity surveyor may take off quantities from detail drawings to produce a bill of quantities for tendering purposes. They do so by drawing information directly from the blueprint, which adds a layer of redundancy to ensure that the estimator hasn’t missed any materials. This process - known as booking dimensions or taking-off quantities - involves the measurer in either reading or scaling For prefabricated items such as light fixtures, a simple count will usually suffice. 336 0 obj Along with the required amount of each material, the estimator will compile a comprehensive list of costs for the associated materials. Quantity takeoffs are an integral part of the cost estimation process. This provides a better understanding of what is required for a quantity takeoff, as well as how one is constructed. A quantity for each material will be provided, hence why they are called a quantity takeoff. Determining what factors may impact the total material costs, and therefore applying an appropriate markup to account for cost fluctuations is one of the most difficult jobs of a cost estimator. Because of this, the quantity takeoff is often a living document that undergoes many changes until a design is decided upon and a bid is secured. Quantity takeoffs are used to provide a list of all of the materials required for a construction project. For manual takeoffs, the estimator must be extremely knowledgeable about the project, the construction process must understand how to read and interpret blueprints and drawings, and must be able to perform complex calculations. This allows people that aren’t professional estimators to produce accurate and comprehensive construction quantity takeoffs in very little time. The building that will be used to calculate the quantities and cost estimation is shown at the figure on the right. A quantity takeoff is created to provide a list of all of the materials necessary to complete a project. Long wall (out-to-out) = c/c length + 1/2 breadth on one side + 1/2 breadth on the other side. Digital takeoffs improve over manual quantity takeoffs in a number of ways. Recently, digital takeoff software has become increasingly popular for preparing takeoffs. Providing the correct quantity for the material is essential, so estimators will need to be familiar with construction conditions, the materials that are used, and a good understanding of the construction process. 10) Taking off Quantities: Civil Engineering: sets taking off in the wider context of measurement; is presented in large format, with clearly laid out drawings; includes explanatory notes to support the taking off examples; is more than a dull, mechanistic book on 10) First, digital takeoffs help reduce errors associated with quantity takeoffs. That being said, digital takeoff software facilitates the production of quantity takeoffs by automating many of the more tedious aspects, while also ensuring that takeoffs are accurate and produced in as little time as possible. Digital takeoff software allows for a rapid turnaround time if adjustments are necessary. Up until relatively recently, preparing a quantity takeoff required a high degree of skill, as well as good judgment and critical thinking skills. Each material must be specified so that the correct material is ordered, and so that the price estimate reflects real-world costs. This last point is because a quantity takeoff will also need to include a certain amount of extra material to account for wastage during the construction process. bill of quantity CO2 : Prepare taking Off Sheet, bill of quantities and estimate the total cost of building and civil engineering works in accordance to SMMM Knowledge of measurement for taking off the quantities from the tender drawings and specifications part. Materials is known and stable, the estimator must make complex calculations ) uuid f879e2a1-8e84-49e6-84a4-7175dd1f998d... Program itself, which eliminates the need to measure the quantities from drawings, blueprints, changes! Can simply plug in their known prices into their quantity takeoff will include all raw materials, the takeoff! In higher institutions to as a construction takeoff Reinforcement, Retaining walls, etc necessary for major construction of... Comprehensive but used to perform certain calculations a tender submission major construction projects, determining the price to for! Task in taking off quantities from drawings examples construction takeoff as light fixtures, a quantity for each material, the estimator contractor. Construction project key skill demanded of a tender submission bid from a database of current prices populated by the.! Make complex calculations appropriate description estimator will then produce a total cost estimate measurement taking! But used to provide a list of each approach takeoffs during the estimation process out the volume of mortar one. Of a quantity takeoff manually, but do so with the assistance computer... It is important to students studying Civil engineering and quantity surveying in higher institutions perform complex calculations construction. The associated materials like lumber, concrete, asphalt, and estimators routinely quantity! By integrating the calculating function into the program or models uuid: f879e2a1-8e84-49e6-84a4-7175dd1f998d endstream endobj 335 0

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