Evaluating Supplier Management Maturity in Prefabricated Construction Project-Survey Analysis in China
Abstract
:1. Introduction
2. Literature Review
2.1. Supply Chain and Supplier Management in PCP
2.2. Supply Chain Management Maturity Model
2.3. Research Aims and Framework
3. Supplier Management Maturity Model
3.1. Developing Assessment Criteria System of Supplier Management
3.1.1. Procurement Process
3.1.2. Operation Efficiency
3.1.3. Relationship Coordination
3.1.4. Strategy Alignment
3.1.5. Corporation Social Responsibility
3.2. Defining Maturity Level of Supplier Management
4. Research Method
4.1. Data Collection
4.2. Data Analysis
5. Results
5.1. Overall Maturity Level of Supplier Management
5.2. Maturity Analysis of Different Group of Contractors
5.2.1. Independent Two-Samples t-Test for Contractor’s Business Scope
5.2.2. One-Way ANOVA Test for Procurement Method
5.2.3. One-Way ANOVA Test for PCP Construction Experience
6. Discussion
6.1. Overall Maturity Analysis of Supplier Management
6.2. Multiple Comparison between Different Groups
7. Conclusions
- The general maturity of supplier management about general contractors is relatively low, most indicators stay in the third level, where contractors maintain close relation in business with supplier but do not achieve inter-organizational integration between suppliers.
- Maturity on relationship coordination and strategy alignment lag behind procurement management and operation efficiency.
- Contractors integrated in engineering, procurement and construction are superior to design-bid-build contractors in supplier management, especially in relationship coordination and strategic alignment.
- Single business contractors have higher SMM than diversified ones. Construction experience is conductive to operation efficiency of supply chain.
- In terms of social responsibility, most contractors emphasize on workers safe and health, less attention on green technology and environmental protection. Moreover, there are no statistically significant differences in the performance of corporate social responsibility with business scope, procurement method and construction experience.
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
Appendix A
Indicator System | Maturity Level | |||||
---|---|---|---|---|---|---|
Dimension | Indicator | 1 | 2 | 3 | 4 | 5 |
Procurement process | F11 | undefined | Established but incomplete | Established and relatively complete | Established and quietly complete | Established and extremely complete |
F12 | undefined | Temporary plan for single project | Short-term plan for single project | Long-term plan for single project | Long-term plan for multiple projects | |
F13 | undefined | Single indicator (e.g., cost, time, quality) | Double indicators | Multi-index qualitative assessment | comprehensive quantitative assessment | |
F14 | undefined | Prioritization of the largest number of participants | Adoption of formal quotation and budget | Evaluation of budget based on clearly defined commercial and technical criteria | Adoption of electronic quotation tools | |
F15 | undefined | Established but incomplete | Established and relatively complete | Established and quietly complete | Established and extremely complete | |
Operation efficiency | F21 | Not available | A small number of PCs are available on time. | Most of PCs are available on time | Almost all PCs are available on time | All PCs delivery on time |
F22 | Most of PCs piled up, installment speed is quietly slow | Part of PCs piled up, installment speed is relatively slow | A small number of PCs piled up, installment speed is relatively fast | PCs barely piled up, installment speed is quietly fast | None PC pile up, installment speed is extremely fast | |
F23 | Ad-Hoc | Incomplete | Relatively complete | Quietly complete | Extremely complete | |
F25 | Ad-Hoc | Incomplete | Relatively complete | Quietly complete | Extremely complete | |
F26 | None | Occasional communication | Constant communication | Frequent communication | Closely communication | |
Relationship coordination | F31 | Ad-Hoc | Preliminarily established | Established short-term partnership relationship | Established long-term partnership relationship | Established strategic partnership relationship |
F32 | Completely distrust | Little trust | Relatively trust | Very trust | Full trust | |
F33 | Weak capability | Modest capability | Strong capability | Quiet strong capability | Extreme strong capability | |
F34 | Ad-Hoc | Limited improvement in intra-organization | Strong improvement in intra-organization | Limited improvement in inter-organization | Strong improvement in inter-organization | |
Strategic alignment | F41 | Ad-Hoc | Short-term target in single project | Long-term target in single project | Short-term target in multiple project | Long-term target in multiple project |
F42 | Ad-Hoc | Confrontation or arm length | Limited cooperation | Close Collaboration | Long-term collaboration | |
F43 | Ad-Hoc | Provide support with single resource in intra-organization | Provide support with multi resource in intra-organization | Provide support with multi resource in inter-organization | Strategic collaboration innovation | |
F44 | Ad-Hoc | Intra-organization | Inter-organization integration with small part of supplier | Inter-organization integration with large part of supplier | Strategic integration with supplier both in business and process | |
Corporate social responsibility | F51 | Poor | General | Strong | Quite strong | Extreme strong |
F52 | Poor | General | Strong | Quite strong | Extreme strong | |
F53 | Poor | General | Strong | Quite strong | Extreme strong | |
F54 | Undefined | No clear requirement and poor execution | With clear requirement and poor execution | With clear requirement and strong execution | With clear requirement and extreme strong execution | |
F55 | Poor | General | Strong | Quite strong | Extreme strong | |
F56 | Undefined | No clear requirement and poor execution | With clear requirement and poor execution | With clear requirement and strong execution | With clear requirement and extreme strong execution | |
F57 | Ad-Hoc | Accept passively | encouragement | Strongly support | Implement and supervise |
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Dimension | Code | Indicator | Definition | Sources |
---|---|---|---|---|
Procurement process (F1) | F11 | Purchasing procedure | The specific process of procurement task, whether there are relevant documents and procurement personnel | [9,11,12,40] |
F12 | Procurement plan | Forecasting the demand of building materials, buying and restocking planning and buying lead-time | [6,46] | |
F13 | Supplier selection criteria | Qualification and regulation of supplier selection | [11,12,41] | |
F14 | Quotation and budget | Selection and control of supplier’s bidding quotation, whether to establish budget control system | [11,13] | |
F15 | Procurement contract management | Manage obligation and the right of both parties during the contract execution, establish principles of benefit distribution and risk sharing | [40] | |
Operation efficiency (F2) | F21 | Delivery time of PC | Delivery of PC product from off-site to construction site in a timely manner | [9,19,20,23] |
F22 | Inventory management of PC | Organization of PC area, preservation of PC quality, control inventory cost | [47] | |
F23 | Site layout of PC | The placement sequence and location of PC production to facilitate assembly | [5] | |
F24 | Production change and responsibility assignment | Change of supplier contract price and responsibility due to change of product type and dimension | [5,12] | |
F25 | Information sharing and communication | Information exchange between participants, sharing learning and innovation | [9,19] | |
F26 | Application of advanced technology | Advanced technology, such as BIM, RFID, applied in PC design, manufacturing and assemble | [9] | |
Relationship coordination (F3) | F31 | Partnership relationship | Establish a long-term reliable relationship based on the contract | [38,42] |
F32 | Trust | Confidence in others’ credit, qualification, financial and operation ability, monitoring others’ work | [6] | |
F33 | Supplier coordination and leadership | Parties work collaboratively and how general contractor play a leading role in achieving cooperation | [14,29] | |
F34 | Continuous improvement | Feedback of performance to achieve mutual advantages and values constantly | [12] | |
Strategy alignment (F4) | F41 | Objective alignment | Share common goals, alignment with participants strategy | [12] |
F42 | Long-term cooperation | Maintain close cooperation on multiple projects, achieve inter-organizational collaboration in supply chain | [19,42] | |
F43 | Joint effort in technology innovation | A collaboration between contractors and suppliers to design and manufacture building product, achieve technical innovation. | [47,48] | |
F44 | Value chain integration | Realize integration of business process and information system among participants, maximize the value creation of suppliers | [6,15] | |
Corporate social responsibility (F5) | F51 | Fair wages and welfare of workers | Company can provide workers with decent wages and sound welfare | [49] |
F52 | Occupational health and safety of workers | Company can execute sound regulation and take measures to ensure worker’s health and safety | [45,50] | |
F53 | Training and career development of workers | Company can provide workers with career training opportunity constantly and highlight on workers development | [49,50] | |
F54 | Fair competition and corruption prevention | Fair purchase procedure, non-speculative behavior and corruption prevention to ensure a good corporate image | [45] | |
F55 | Implementation of environment regulation and standard | Participants can implement the environmental standards in the process of design, manufacture and construction | [39] | |
F56 | Energy and emission reduction | Participants can take measures to reduce energy consumption, dust, noise and water | [14,51] | |
F57 | Green design and cleaner technology | Collaboration between contractors and suppliers to develop green technology applying in product design, manufacturing and construction | [51] |
Level | Supply Process | Organizational Relationship |
---|---|---|
1 | Unstructured and ill-defined supply chain processes, undefined procurement procedure, disordered operation management. | One-time contractual relationship just based on purchasing activities, no partnership has been established. |
2 | Supply processes are being developed but defined processes are separate from one another, on-site and off-site operation management are disconnected. | Intra-organizational processes optimization to meet its goals, begin to establish communication in certain supply activity. |
3 | Measurement system are applied to manage process performance, including supplier evaluation and supply activity efficiency. | Establishing short-term cooperation with suppliers in certain project, frequent communication in supply activities. |
4 | Integrated processes with suppliers, off-site and on-site activities are synergistic, quantitative supplier evaluation system, long-term procurement plan. | Establish formal partnership relationship, decentralize some technical innovation activities to suppliers, provide support with multi resource in inter-organization. |
5 | Continuous improvement to its processes, adapt to meet owner’s needs dynamically, enable responsiveness to environmental changes | Strategic coordination with suppliers in business, long-term cooperation in multiple project, full inter-organizational communication integration. |
Items | Frequency | Percent |
---|---|---|
Business scope | ||
Single business | 7 | 20.59 |
Diversified business | 27 | 79.41 |
Procurement method | ||
EPC | 15 | 44.12 |
EMPC | 9 | 26.47 |
DB | 10 | 29.41 |
Number of contracted PCP | ||
<5 | 14 | 41.18 |
5–10 | 10 | 29.41 |
>10 | 10 | 29.41 |
Dimension | Number of Items | Cronbach’s Alpha |
---|---|---|
Purchase process | 5 | 0.849 |
Operation efficiency | 5 | 0.765 |
Relationship coordination | 4 | 0.826 |
Strategic alignment | 4 | 0.813 |
Corporate social responsibility | 6 | 0.825 |
Dimensions | Min | Max | Mean | Std. Dev |
---|---|---|---|---|
Purchase process | 2.00 | 4.60 | 3.37 | 0.648 |
Operation efficiency | 2.40 | 4.20 | 3.41 | 0.490 |
Relationship coordination | 2.00 | 4.25 | 3.11 | 0.607 |
Strategic alignment | 1.75 | 4.00 | 2.99 | 0.584 |
Corporate social responsibility | 2.33 | 4.00 | 3.23 | 0.338 |
Dimensions | Business Scope | N | Mean | Std. Deviation | t-Test for Equality of Means | ||
---|---|---|---|---|---|---|---|
T | Sig. (2-Tailed) | Mean Difference | |||||
Procurement process | Single | 7 | 3.97 | 0.315 | 3.090 | 0.004 | 0.757 |
Diversified | 27 | 3.21 | 0.622 | ||||
Operation efficiency | Single | 7 | 3.80 | 0.327 | 3.175 | 0.007 | 0.489 |
Diversified | 27 | 3.31 | 0.478 | ||||
Relationship coordination | Single | 7 | 3.79 | 0.304 | 5.419 | 0.000 | 0.841 |
Diversified | 27 | 2.94 | 0.543 | ||||
Strategy alignment | Single | 7 | 3.50 | 0.289 | 2.896 | 0.007 | 0.648 |
Diversified | 27 | 2.85 | 0.569 | ||||
Corporate social responsibility | Single | 7 | 3.33 | 0.096 | 0.901 | 0.375 | 0.130 |
Diversified | 27 | 3.20 | 0.374 |
Dimension | Procurement Method | Mean | Std. Deviation | Post Hoc | ANOVA | |||
---|---|---|---|---|---|---|---|---|
Dependent Variable | Mean Difference | Sig. | Items | Sig. | ||||
Procurement process | EPC | 3.44 | 0.525 | EMPC | −0.560 * | 0.013 | Between Groups | 0.000 |
DBB | 0.740 * | 0.001 | ||||||
EMPC | 4.00 | 0.200 | EPC | 0.560 * | 0.013 | |||
DBB | 1.300 * | 0.000 | Within Groups | |||||
DBB | 2.70 | 0.414 | EPC | −0.740 * | 0.001 | |||
DBB | −1.300 * | 0.000 | ||||||
Operation efficiency | EPC | 3.56 | 0.322 | EMPC | −0.240 | 0.225 | Between Groups | 0.000 |
DBB | 0.720 * | 0.000 | ||||||
EMPC | 3.80 | 0.265 | EPC | 0.240 | 0.225 | |||
DBB | 0.960 * | 0.000 | Within Groups | |||||
DBB | 2.84 | 0.324 | EPC | −0.720 * | 0.000 | |||
DBB | −0.960 * | 0.000 | ||||||
Relationship coordination | EPC | 3.10 | 0.399 | EMPC | −0.733 * | 0.000 | Between Groups | 0.000 |
DBB | 0.600 * | 0.001 | ||||||
EMPC | 3.83 | 0.250 | EPC | 0.733 * | 0.000 | |||
DBB | 1.333 * | 0.000 | Within Groups | |||||
DBB | 2.50 | 0.333 | EPC | −0.600 * | 0.001 | |||
DBB | −1.333 * | 0.000 | ||||||
Strategy alignment | EPC | 3.05 | 0.368 | EMPC | −0.561 * | 0.001 | Between Groups | 0.000 |
DBB | 0.725 * | 0.000 | ||||||
EMPC | 3.61 | 0.253 | EPC | 0.561 * | 0.001 | |||
DBB | 1.286 * | 0.000 | Within Groups | |||||
DBB | 2.33 | 0.313 | EPC | −0.725 * | 0.000 | |||
DBB | −1.286 * | 0.000 | ||||||
Corporate social responsibility | EPC | 3.27 | 0.392 | EMPC | −0.067 | 1.000 | Between Groups | 0.241 |
DBB | 0.183 | 0.564 | ||||||
EMPC | 3.33 | 0.220 | EPC | 0.067 | 1.000 | |||
DBB | 0.250 | 0.339 | Within Groups | |||||
DBB | 3.08 | 0.317 | EPC | −0.183 | 0.564 | |||
DBB | −0.250 | 0.339 |
Dimension | Construction Experience | Mean | Std. Deviation | Post Hoc | ANOVA | |||
---|---|---|---|---|---|---|---|---|
Dependent Variable | Mean Difference | Sig. | Items | Sig. | ||||
Procurement process | Poor | 2.73 | 0.320 | Middle | −0.851 * | 0.000 | Between Groups | 0.000 |
High | −1.331 * | 0.000 | ||||||
Middle | 3.58 | 0.305 | Poor | 0.851 * | 0.000 | |||
High | −0.480 * | 0.004 | Within Groups | |||||
High | 4.06 | 0.284 | Poor | 1.331 * | 0.000 | |||
Middle | 0.480 * | 0.004 | ||||||
Operation efficiency | Poor | 2.99 | 0.380 | Middle | −0.534 * | 0.001 | Between Groups | 0.000 |
High | −0.914 * | 0.000 | ||||||
Middle | 3.52 | 0.215 | Poor | 0.534 * | 0.001 | |||
High | −0.380 * | 0.027 | Within Groups | |||||
High | 3.90 | 0.254 | Poor | 0.914 * | 0.000 | |||
Middle | 0.380 * | 0.027 | ||||||
Relationship coordination | Poor | 2.54 | 0.323 | Middle | −0.739 * | 0.000 | Between Groups | 0.000 |
High | −1.239 * | 0.000 | ||||||
Middle | 3.28 | 0.322 | Poor | 0.739 * | 0.000 | |||
High | −0.500 * | 0.003 | Within Groups | |||||
High | 3.78 | 0.249 | Poor | 1.239 * | 0.000 | |||
Middle | 0.500 * | 0.003 | ||||||
Strategy alignment | Poor | 2.55 | 0.511 | Middle | −0.496 * | 0.026 | Between Groups | 0.000 |
High | −0.971 * | 0.000 | ||||||
Middle | 3.05 | 0.453 | Poor | 0.496 * | 0.026 | |||
High | −0.475 | 0.056 | Within Groups | |||||
High | 3.52 | 0.219 | Poor | 0.971 * | 0.000 | |||
Middle | 0.475 | 0.056 | ||||||
Corporate social responsibility | Poor | 3.08 | 0.344 | Middle | −0.217 | 0.347 | Between Groups | 0.093 |
High | −0.283 | 0.127 | ||||||
Middle | 3.30 | 0.322 | Poor | 0.217 | 0.347 | |||
High | −0.067 | 1.000 | Within Groups | |||||
High | 3.37 | 0.292 | Poor | 0.283 | 0.127 | |||
Middle | 0.067 | 1.000 |
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Liu, K.; Su, Y.; Zhang, S. Evaluating Supplier Management Maturity in Prefabricated Construction Project-Survey Analysis in China. Sustainability 2018, 10, 3046. https://0-doi-org.brum.beds.ac.uk/10.3390/su10093046
Liu K, Su Y, Zhang S. Evaluating Supplier Management Maturity in Prefabricated Construction Project-Survey Analysis in China. Sustainability. 2018; 10(9):3046. https://0-doi-org.brum.beds.ac.uk/10.3390/su10093046
Chicago/Turabian StyleLiu, Kangning, Yikun Su, and Shoujian Zhang. 2018. "Evaluating Supplier Management Maturity in Prefabricated Construction Project-Survey Analysis in China" Sustainability 10, no. 9: 3046. https://0-doi-org.brum.beds.ac.uk/10.3390/su10093046