You will identify an example of a DESIGN for constructability idea used on a project, and prepare (1) a short report. In the attachment browser below I have attached the document that identifies constructibility.
The report should describe a DESIGN DECISION / SOLUTION that was aiming at creating construction benefits, such as cost reduction, schedule reduction, improved safety, facilitate access, accommodate labor shortages, etc.
Submit a case that is found in online the literature/ website/Internet sources.
The report must be 2 pages long (PLUS figures, photos, drawings as needed).
It should provide a well-documented description of
- The SPECIFIC DESIGN solution. Provide technical details of the design solution (drawings, sketches, photos, etc.)
- The CONSTRUCTION NEEDS AND BENEFITS that the design decision supported. Be specific about the benefits: How much was the cost savings (labor savings, material, etc., schedule reduction, safety risk reduction, etc.).
We are looking for specific examples of design solutions (not improved construction methods, and not simply resolving design conflicts). For example, pre-assembly of the rebar is NOT a design solution, it’s a different construction method. However, if there were design changes to facilitate pre-assembly, then this is a design solution. Cases that present a problem of poor design, (for example conflicts between components that were corrected using BIM) are NOT good examples of constructability. Also, cases that describe a constructability method or tool in general (e.g. the use of BIM, or constructability review) are NOT examples of constructability. You should describe the design decisions that made to accommodate construction, and the benefits for construction.
Examples of design for constructability include (but not limited to) the following:
- Selection of design components with short lead time
- Modularization (that requires design adjustments)
- Prefabrication to reduce labor needs in remote areas
- Use of less hazardous/toxic/flammable material
- Design less deep trenches
- Design roofs for safer access
- Use local material vs. export / import
- Reduce complexity of the design (Reduce number of components, sizes, design mixes, etc.)
- Simplify details, connections
- Standardize the design for simpler formwork, and easier component fabrication and installation
- Design to accommodate field variability and reduce field rework
- Improved connections to facilitate assembly
- Overdesign floor slab for construction loads (e.g. equipment on slab)
- Design changes to help with access issues.
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