A framework for evaluation of improvement opportunities for environmental impacts on construction works using life cycle assessment and value stream mapping concepts: offsite and onsite building construction
Table 4.
Work breakdown structure(sectional) for offsite construction. Adapted from [57]
| Work description | Manpower information | | Number of workers on this work item | Round trip distances for all workers to the job site for this work item | Number of workers traveling to work with electric vehicles (Include additional note if commute to site is other than by fossil fuel or electric powered vehicle) | Number of days the workers are on this work item | Number of hours the workers are on this work item | Number of hours the employees work in a day | Other work items that the worker is working on the same day that the worker is on this work item | | Floor fabrication: Floor framing | | | | | | | | | Floor Sheathing | | | | | | | | | Floor finishing | | | | | | | | | Wall framing | | | | | | | | | | | | | | | | Roof framing | | | | | | | | | Roof interior | | | | | | | | | Roof finishing | | | | | | | | | Panel Assembly: Wall erection | | | | | | | | | | | | | | | | Roof erection | | | | | | | | | | | | | | | | Panel Connection | | | | | | | | | Construction finishing | | | | | | | | | Transportation of completed modules to site and completion of onsite portion of works | | | | | | | |
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