CONSTRUCTION DRAWINGS

During the CD stage, the architect and consultants prepare their own sets of drawings, referred to as   construction drawings . Thus, a project has architectural construction drawings, civil and structural construction drawings, MEPF construction drawings, landscape construction drawings, and so on.

Construction drawings are dimensioned drawings (usually computer generated) that  fully delineate the building. They consist of floor plans, elevations, sections, schedules, and  various large-scale details. The details depict a small portion of the building that cannot be  adequately described on smaller-scale plans, elevations, or sections.    

Construction drawings are the drawings that the construction team uses to build the  building. Therefore, they must indicate the geometry, layout, dimensions, types of materials, details of assembling the components, colors and textures, and so on. Construction drawings are generally two-dimensional drawings, but three dimensional isometrics are sometimes used for complex details. Construction drawings are also used by the contractor to prepare a detailed cost estimate of the project at the time of bidding.

Construction drawings are not a sequence of assembly instructions, such as for a bicycle. Instead, they indicate what every component is and where it will be located when the building is completed. In other words, the design team decides the “what” and “where” of the building. The “how” and “when” of the building are entirely in the contractor’s domain.

NOTE

Working Drawings and Construction Drawings The term working drawings was used until the end of the  twentieth century for what are now commonly referred to as construction drawings.

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