In construction, quantity takeoff (QTO) is a foundational step that directly impacts project costing and budgeting. By determining the materials, labor, and equipment needed for a project, quantity takeoff provides the basis for accurate estimates and helps prevent unexpected costs or delays.

Quantity take-offs (QTO) are a detailed measurement of materials and labor needed to complete a construction project. They are developed by an estimator during the pre-construction phase. This process includes breaking the project down into smaller and more manageable units that are easier to measure or estimate.

What Is A Quantity Takeoff In Construction? A quantity takeoff, also known as a construction takeoff, is the process of analyzing drawings and models to list and measure the materials and labor needed to complete a project. Companies use QTOs to estimate costs and define accurate project budgets.

2014年12月6日 · In particular, the schematic Quantity Take-Off (QTO) estimation on the BIM models is a strategy, which can be used to assist decision making in just minutes, because 70–80% of construction costs are determined by designers' decisions in the early design stage . This paper suggests a QTO process and a QTO prototype system within the building ...

Revit结合QTO产生数量的方法，则需透过六个步骤进行，各步骤说明如下所述。 1. 建立BIM模型：与【BIM怎样算量的?流程是什么? (以Revit软件为基础)】的步骤1 相同。 2. 加入工项名称与尺寸参数：与【BIM怎样算量的?流程是什么? (以Revit软件为基础)】的步骤2 相同。 3. 将BIM 模型汇入至QTO中：将Revit所建立的BIM模型导出，成为QTO可以读取的格式并汇入至QTO。 4. 筛选组件：在QTO中，以欲计算的工项名称为搜寻条件进行筛选，QTO将列出所有使用到该工项的组 …

With our qualified team at BIMEX, we support Architects and Engineers in preparing Tender Quantities and contractors in generating accurate quantities for material procurement and cost estimation. The BIM based QTO process avoids potential inaccuracies and human errors and always makes sure that the extracted quantities are aligned with the design.

2018年9月20日 · Cost estimation in the construction industry is generally done by performing a quantity take-off (QTO) based on the available information within the current project phase. Estimators review blueprints and additional requirements to calculate the quantities of the construction work.

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Not to make you learn another software, but you can use Dynamo controlled by excel for QTO right out of Revit. Assuming your Navis is coming from Revit in the first place. HI all, I have been playing with the QTO function in Navis and have been having some fun. I do have one question that i cant quite figure out though.