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"construction procurement"
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The dream machine : the untold history of the notorious V-22 Osprey
Describes how development of the marine flyer was nearly halted by numerous accidents and political infighting throughout its testing stages, offering insight into its high cost and military potential.
Book
Impact of green construction procurement practices on the success of circular economy in Ghana
PurposeThis paper investigates the impact of green construction procurement practices (GCPPs) on circular economy (CE) success by identifying environmentally sustainable procurement practices that can promote a CE in the construction industry. The goal was to promote circularity in construction through GCPPs.Design/methodology/approachA quantitative research approach was adopted and purposively selected 100 respondents for a cross-sectional questionnaire survey. Data from the questionnaire survey were analysed using mean score ranking, One-sample t-test and regression analysis.FindingsThe study found that using on-site systematic waste management, project stakeholder commitment and support for green practices and environmental requirements in technical specifications, significantly impact CE success in construction, with a 12.8% variance in CE when green procurement is practised. This implies that GCPPs have positive repercussions on CE success, where the CE success is expected to change as GCPPs levels increase.Practical implicationsThe study provides insights into green procurement, promoting its use in infrastructure development and aiding clients, particularly in the government sector with insights into the challenges and practices involved in green procurement. Practitioners can also benefit from better implementing CE strategies to draft and manage contracts for infrastructure projects that prioritize circularity.Originality/valueThe limited impact of GCPPs on advancing CE principles in construction suggests policy and practice must strengthen procurement requirements to fully leverage spending and drive the sector’s transition towards a circular model. Also, novel insight is provided into the most effective types of GCPPs for promoting CE success, aiding policymakers in optimizing construction procurement strategies.
Journal Article
Legal framework of sustainable construction procurement to prevent land degradation: comparison between Indonesia, Singapore and Thailand
Purpose
This paper aims to analyze regulation regarding sustainable construction procurement in Southeast Asia and provide a reconstruction of regulation regarding the sustainable construction procurement to prevent land degradation.
Design/methodology/approach
This was done through legal research methods, mainly historical and systematical interpretation. The approaches used in this paper are the conceptual approach, statute approach and comparative approach.
Findings
By analyzing the related legal norms, it can be understood that many nations in Southeast Asia do not have regulation regarding sustainable construction procurement. Between Indonesia, Singapore and Thailand, only Indonesia has a ministrial regulation that provides general norms regarding sustainable construction procurement. Regarding the reconstruction of regulation, the bare minimum standards consist of principle, indicators, pillar, the phases of the procurement, law enforcement, both preventive and repressive, and sustainable procurement committee.
Research limitations/implications
This research is limited to regulation in Southeast Asian region. By analyzing the regulation, this paper will provide a reconstruction of regulations regarding sustainable construction procurement that will act as an ground rules. Having the same ground rules will create synergies between countries in Southeast Asia to apply the principles of sustainable procurement and move together toward to prevent land degradation.
Originality/value
To the best of the authors’ knowledge, this paper is the first systematic legal research that compares regulations from three nations in Southeast Asia regarding sustainable construction procurement and also the first paper to provide reconstruction of regulation regarding sustainable construction procurement to prevent land degradation.
Journal Article
Health and safety integration into the procurement stages of public construction projects in developing countries: A case of Ghana
The potential to promote health and safety (H and S) through public procurement has resulted in increased expectation for public sector clients to integrate H and S matters into their procurement decisions and practices. Developing countries are however far behind in this endeavour. Using qualitative research, therefore, this study explored how public clients integrate H and S into the procurement of public works. Data was collected through semi-structured interviews with 20 contractors and public sector clients who have vast experience in the procurement of public works. The data was analysed using both inductive and deductive thematic analyses. The findings show that the extent of H and S integration into the procurement process depended on the funding source(s) for public projects. H and S matters are generally overlooked in the various procurement stages for public projects funded by the government, while in those funded by international development agencies, H and S matters are prioritized, and therefore, given considerable attention. The research contributes to construction H and S improvement research in developing countries by giving insight into the extent of H and S integration into public procurement. It also contributes to the understanding of the influence of funding sources on the extent to which H and S matters are integrated into public procurement in developing countries.
Journal Article
Exploring anti-corruption capabilities of e-procurement in construction project delivery in Nigeria
The use of electronic (e-) procurement to support the execution of supply chain management activities in the different industrial sectors is permeating all regions of the world. However, in countries in sub-Saharan Africa where there is a significant level of corruption and unethical practices in the procurement process, there is a need for a better understanding of how e-Procurement can help to check the incidence of corrupt and unethical practices in construction project delivery. This study relied on a cross-sectional survey of 759 respondents, including architects, builders, engineers, estate/facilities managers, contractors, construction/ project managers, quantity surveyors, supply chain managers and others to identify and analyse the anti-corruption capabilities of e-Procurement in construction project delivery in Nigeria. The results of the descriptive statistics, relative importance index and principal components analysis identified 18 anti-corruption capabilities in e-Procurement in construction project delivery with the three most important ones being the capability of e-Procurement to ensure good inventory management/record keeping; accountability by providing audit services trail and minimise direct human contacts during bidding. The key underlying dimensions of these capabilities include the advantage of e-Procurement over the traditional paper-based method; transparent bidding process and increase in competition in construction project delivery process. The findings of this study have implications, especially, on the use of e-Procurement to curb corruption in construction procurement activities.
Journal Article
Multi-criteria decision-making model for EPC contractor prequalification: a hybrid approach
PurposeNowadays, engineering, procurement and construction (EPC) contracts are being widely used to perform industrial and infrastructure projects because of several reasons like high speed of implementation. However, these contracts are always accompanied by high risks and uncertainties. Thus, selection of the right EPC contractor has significant importance. This paper aims to present a fuzzy multi-criteria decision-making (MCDM) model for EPC contractor prequalification.Design/methodology/approachFirst, the EPC contractor prequalification criteria are defined by using literature review and interviewing experts. Second, the weights of criteria are determined by interviewing experts. Then, each EPC contractor is evaluated in each criterion. Finally, fuzzy weighted average (FWA) approach is employed to select the right contractor among potential EPC contractors.FindingsThe proposed model is prepared as an applicable model for clients to select the right EPC contractors among contractors who want to conduct the project.Originality/valueAs a lack of applicable model does exist to assign the prequalification of EPC contractors, this study is one of the first research studies which proposed a fuzzy MCDM model for evaluation of EPC contractors. To cope with the uncertainty of the prequalification problem, fuzzy logic has been used. Using fuzzy sets leads to reaching more reliable results. Also, a real case study is provided to explain the proposed model.
Journal Article
Integration of project management services for International Engineering, Procurement and Construction projects
PurposeInternational Engineering, Procurement and Construction (IEPC) projects deliver complex and critical infrastructure and construction projects. However, these projects face multiple challenges, especially in foreign construction markets, to the main contractors. The purpose of this article is to develop a tool for effective implementation of project management services for these international projects through upskilling and incorporate local expertise. Accordingly, the employment of a Native Project Management Consultant (NPMC) by the main contractor is proposed and investigated.Design/methodology/approachA three-stage research method was employed for triangulation of knowledge. Initially, a comprehensive literature review was carried out to examine the theoretical foundations of the study. The concepts were further explored through a survey and expert interviews. The study was performed in Iran as the host nation of multiple IEPC projects.FindingsIt was found that NPMC involvement has a significant contribution to the success of nearly all project management areas in IEPC projects. However, quality, schedule and budget management were the top-ranked areas. The study combines the results of previous studies with the interviews and questionnaire to create a tool designed to capture strategy actions and detailed activities designed to build capabilities in IEPC teams through the involvement of NPMCs.Practical implicationsA practical tool is developed which aims to enhance NPMC integration into IEPC projects. The tool is in-line with the project management concept of work-breakdown structure; which is understandable by project stakeholders.Originality/valueThe employment of NPMCs, and their potential role in IEPC projects has not been formally investigated and guidelines for such collaborations do not exist. The current study provides a platform for regulating such facilitators and enhancing project success.
Journal Article
Purchasing performance of engineering procurement and construction companies using a fuzzy quality function deployment approach
Purpose
This paper aims to empirically validate an integrated model, combining fuzzy analytical hierarchy processing and quality function deployment, used to construct a purchasing performance (PP) matrix for engineering procurement and construction companies (EPCs). The relationship is established by linking internal customer needs (“whats”; product-related factors), with engineering requirements (“hows”; buyer-related factors [BRFs] and organization-related factors). Three different of buying types are included: new task, straight rebuy and modified rebuy.
Design/methodology/approach
The paper uses qualitative and quantitative techniques to determine the factors affecting PP and the extent of their influence. Evaluation of the factors affecting the PP of EPC companies is based on 32 industry experts’ opinions, supported by the academic literature.
Findings
The most significant finding is that researchers should explicitly consider BRFs like buyer knowledge, which has been missing in earlier PP models. BRFs appear to be a link between different types of buying; ignoring their importance can lead to less optimized PP and erroneous findings.
Originality/value
This research is unique, as PP models of EPC firms have neither been published nor validated empirically, either nationally or internationally. This exploratory study adds to the body of knowledge both by identifying the emerging factors that constitute the construct of the PP of EPCs and by filling the gap between theory and practice concerning an evaluation of the PP of EPCs. Theoretical and practical implications are discussed.
Journal Article
Impact of Green Construction Procurement on Achieving Sustainable Economic Growth Influencing Green Logistic Services Management and Innovation Practices
Green construction procurement is a part of the sustainable development goals (SDGs) that influence economic growth on a strategic level. Adopting green technologies and practices has no longer been an option but a well-worth route for gaining a competitive advantage in the construction sector. The emergent concepts of green procurement and sustainability have raised the need to measure the financial performances in supply chain practices. Green procurement is now gaining importance in the construction industry and supply chain practices for a safer tomorrow. The study aimed to investigate the impact of construction procurement on green logistic services, innovation practices, and their subsequent role in gaining sustainable economic development goals. The population frame for this study was the project teams (engineers and project managers) of construction companies in China. The sampling design followed was convenient random sampling. The study was conducted using self-administered questionnaire surveys to avoid any respondent biases and/or errors. The study's findings show that construction procurement is partially associated with green logistic services management, which thoroughly determines the sustainable economic development goals. Furthermore, construction procurement is found to have a significant impact on green innovation practices that partially predict the SDGs, and the mediation of green logistic services and innovation practices are partially mediated to the construction procurement and sustainable goals. In the future, the study results will help the construction practitioners, contractors, bidders, and engineering community to shape their relationships in a greener way up or down the stream of their supply chains. Additionally, the implication of green procurement and logistic services offers many challenges in the long run for attaining SDGs; however, in the short run, it gives operational efficiency and less hazardous environmental emissions.
Journal Article
AI and Text-Mining Applications for Analyzing Contractor’s Risk in Invitation to Bid (ITB) and Contracts for Engineering Procurement and Construction (EPC) Projects
Contractors responsible for the whole execution of engineering, procurement, and construction (EPC) projects are exposed to multiple risks due to various unbalanced contracting methods such as lump-sum turn-key and low-bid selection. Although systematic risk management approaches are required to prevent unexpected damage to the EPC contractors in practice, there were no comprehensive digital toolboxes for identifying and managing risk provisions for ITB and contract documents. This study describes two core modules, Critical Risk Check (CRC) and Term Frequency Analysis (TFA), developed as a digital EPC contract risk analysis tool for contractors, using artificial intelligence and text-mining techniques. The CRC module automatically extracts risk-involved clauses in the EPC ITB and contracts by the phrase-matcher technique. A machine learning model was built in the TFA module for contractual risk extraction by using the named-entity recognition (NER) method. The risk-involved clauses collected for model development were converted into a database in JavaScript Object Notation (JSON) format, and the final results were saved in pickle format through the digital modules. In addition, optimization and reliability validation of these modules were performed through Proof of Concept (PoC) as a case study, and the modules were further developed to a cloud-service platform for application. The pilot test results showed that risk clause extraction accuracy rates with the CRC module and the TFA module were about 92% and 88%, respectively, whereas the risk clause extraction accuracy rates manually by the engineers were about 70% and 86%, respectively. The time required for ITB analysis was significantly shorter with the digital modules than by the engineers.
Journal Article