Contractor-led design risk management in international large project: Korean contractor’s perspective

Figures & data

Figure 1. Korea annual construction output.

Source: Construction Association of Korea (CAK) and International Contractors Association of Korea (ICAK)

Figure 2. Research flow.

Table 1. Survey respondents.

Experience (Years)	Project Managing	Site Managing	Project Engineering	Design Managing	Other Roles	Total Responses
Under 10 11–15 16-20 21–30 Over 30	3 10 7 3 1	5 12 8 5 2	7 5 10 7 2	1 6 2 2-	-2 3 1 2	16 35 30 18 7
Total	24	32	31	11	8	106

Table 2. Results of Bartlett’s test and KMO measure.

Sampling adaptation measure of Kaiser–Meyer–Olkin (KMO)		,707
Bartlett’s sphericity test	Approximate Chi-square	637,095
	Df.	210
	Sig.	,000

Table 3. Importance weight and application preference rate.

No	Design Risk Management Factor	Importance weight			Application preference
		Lank	Mean	Standard Deviation	Lank	Mean	Standard Deviation
F01	Design/ Changed-design checklist in life cycle	14	3.239	1.128	27	1.809	0.985
F02	Clear scope of design and construction work/ responsibility	7	3.440	1.134	21	2.122	0.929
F03	Awareness of local regulations	26	2.540	1.223	9	3.133	1.136
F04	Design-related value engineering	3	4.181	1.037	17	2.462	0.937
F05	Involving the design manager from bid stage	16	3.210	0.932	22	2.081	0.936
F06	Design quality assurance practices	5	3.609	0.925	23	2.063	1.107
F07	Pre-construction study and review of design documents	8	3.436	1.161	16	2.470	0.977
F08	Structural grid planning review (over design, omission)	24	2.729	1.304	13	2.941	0.899
F09	Reasonable design fee structure	6	3.592	0.931	29	1.788	1.015
F10	Regular design meeting with supply chain	12	3.388	0.882	26	1.846	0.993
F11	Integrated design management team on-site	1	4.652	0.927	6	3.452	1.118
F12	Establishment of a project management information system (PMIS)	9	3.428	1.077	14	2.932	1.106
F13	Analysis of impact around the site (noise, hazard, vibration, dust)	28	2.319	1.232	10	3.126	1.022
F14	Establishment of shop drawing master schedule	21	3.098	1.220	15	2.483	0.963
F15	Standardization of different types of drawings and documents	13	3.364	0.903	7	3.448	1.114
F16	Standardisation of the pre-assembly/ Off-site	4	3.876	1.043	24	2.041	0.976
F17	Analysis of site conditions (site topography/ underground condition)	23	2.863	0.941	1	4.166	1.107
F18	Cooperation with interior design team	30	1.980	1.094	28	1.791	1.211
F19	Project documents review	15	3.231	1.089	2	4.132	1.102
F20	Awareness of international procurement (FEDIC/JCT)	17	3.178	0.899	12	3.097	0.973
F21	Technical support for sustainable design	10	3.423	1.148	30	1.692	0.998
F22	Lifecycle cost analysis (maintenance cost/ energy use)	27	2.537	0.934	18	2.254	0.957
F23	Simulation of environmental impact	29	2.015	1.187	20	2.135	1.144
F24	Previous projects case study	18	3.171	1.117	19	2.216	0.983
F25	Review of the design level compared to the project budget	25	2.558	1.066	8	3.179	1.125
F26	Approval working drawing and material samples	19	3.167	0.933	5	3.467	0.872
F27	BIM application/ simulation	2	4.403	0.917	4	4.039	1.105
F28	Pre-construction study and review of design documents	22	3.063	0.972	3	4.073	1.038
F29	Support for an environmental building certification	31	1.731	1.083	31	1.281	1.129
F30	Management of client’s design change requirements	20	3.152	1.094	11	3.101	0.931
F31	Design-related risk register	11	3.397	1.089	25	1.955	0.982

Shading 18 factors are used for Factor interrelationship analysis

Figure 3. Interrelationship between the DRM factors.

Figure 4. DRM factor causal loop.