| Design attributes |
Standardisation and repetition |
Prefabrication |
Precast concrete, prefabricated utility products, prefabricated MEP, etc. |
Boton (2018), Hijazi et al. (2009), Zhang et al. (2016), and Khan (2019) |
| Grid layout |
(Horizontal/vertical/radial) grid dimensions, a repeated grid layout will lead to faster construction sequences |
Boton (2018), Hijazi et al. (2009), and Zhang et al. (2016) |
| Standard dimensions |
Dimensions for door, windows, partitions, tiles, etc. |
Boton (2018), Hijazi et al. (2009), and Zhang et al. (2016) |
| Economic |
Component flexibility |
Flexibility of movement of internal partitions (fixed/mobile) |
Boton (2018), Hijazi et al. (2009), and Zhang et al. (2016) |
| Resources availability |
Various resources such as building material, labour, and equipment can be approached, hired, and put to work for the execution of the project |
Boton (2018), Hijazi et al. (2009), Zhang et al. (2016), and Shash and Almufadhi (2021) |
| Labour skills |
Availability of special labour skills |
Boton (2018), Hijazi et al. (2009), and Zhang et al. (2016) |
| Team expertise |
The project team must be selected based on their experience knowledge and skills requirement for the project |
Shash and Almufadhi (2021) |
| Application of advance information technology |
Adoption of latest and modern computerised means of technology for the project |
Khan (2019) |
| Coordination or communication |
Coordination and communication among team members (builder and designer, site staff) |
Khan (2019) and Yoon et al. (2018) |
| Simplification of Design |
Designs considered efficient construction |
Khan (2019), Shash and Almufadhi (2021) |
| Construction methodology |
Major construction method options, in the project’s design phase |
Shash and Almufadhi (2021) |
| Structure system |
Structural frame types |
Steel frame, concrete frame, wood frame |
Yoon et al. (2018) |
| Roof types |
Gable, hip, Dutch, etc. |
Yoon et al. (2018) |
| Slab types |
Conventional, flat, waffle slabs |
Yoon et al. (2018) |
| Structural reinforcement scope |
The design and type of reinforcement |
Yoon et al. (2018) |
| High-strength concrete application |
The usage of high-strength concrete |
Yoon et al. (2018) |
| Construction attributes |
Space |
Material access |
Space for material storage and transportation on site |
Boton (2018), Hijazi et al. (2009), and Zhang et al. (2016) |
| Personnel access |
Accessibility of personnel for different site locations |
Boton (2018), Hijazi et al. (2009), and Zhang et al. (2016) |
| Equipment access |
Accessibility of equipment and tools for and from different site locations |
Boton (2018), Hijazi et al. (2009), and Zhang et al. (2016) |
| Installation |
Construction sequence |
Sequence of installation of components |
Boton (2018), Hijazi et al. (2009), and Zhang et al. (2016) |
| Time under ground |
Construction time under ground level |
Boton (2018), Hijazi et al. (2009), and Zhang et al. (2016) |
| Building envelope |
Construction of the whole building envelope |
Boton (2018), Hijazi et al. (2009), Zhang et al. (2016), and Yoon et al. (2018) |
| Weather effect |
Effect of climate conditions on construction work |
Boton (2018), Hijazi et al. (2009), Zhang et al. (2016), Khan (2019), and Yoon et al. (2018) |
| Safety |
Effect of construction sequence of workers’ safety |
Boton (2018), Hijazi et al. (2009), Zhang et al. (2016), and Yoon et al. (2018) |
| Waste management and appraisal recycling |
Organise and regulate the waste and convert waste into reusable products |
Khan (2019) |
| Encouragement to innovations |
Promotion of new ideas, the projects constructability can be enhanced using innovation ideas during the construction stage |
Khan (2019) |
| Document control |
Specifications |
The projects constructability can be enhanced by developing transparent specifications |
Khan (2019) |
| Simplification of technical specifications |
Detailed description of technical requirement in terms of suitability for design development of an item |
Khan (2019) |
| Qualifications, feedback and improvement in construction |
The projects constructability can be enhanced by utilising the lesson-learned databases and best-practices for other projects |
Shash and Almufadhi (2021) |
| Inspections and site meetings |
Quality of inspections and site meetings, level of knowledge sharing and capturing project objectives in accordance with client objectives |
Kotze and Wium (2019) |
| External impacts |
Utility availability |
Government facilities |
Availability of governmental facilities like electrical and infrastructure services |
Boton (2018), Hijazi et al. (2009), and Zhang et al. (2016) |
| Road-use ability |
Applicability of public roads for transportation |
Boton (2018), Hijazi et al. (2009), and Zhang et al. (2016) |
| Site impact |
Adjacent site |
Effect of current construction on adjacent constructions |
Boton (2018), Hijazi et al. (2009), and Zhang et al. (2016) |
| Infrastructures |
Effect of current construction on adjacent or nearby infrastructure constructions |
Boton (2018), Hijazi et al. (2009), and Zhang et al. (2016) |
| Other |
Corporate objectives |
Understand the project objectives as well as the client’s objectives |
Shash and Almufadhi (2021) |
| Bidding process |
The type of bid (design–build/ design–bid–build) |
Khan (2019) and Yoon et al. (2018) |
| Construction-driven schedule |
The schedules are prepared in the construction projects to keep a check on the various design and construction activities |
Khan (2019) and Shash and Almufadhi (2021) |
