Critical Analysis of Time and Cost of Management and Traditional Contracts

Naoum, Shamil G.

doi:10.1061/(asce)0733-9364(1994)120:4(687)

Cited by 85 publications

(48 citation statements)

References 8 publications

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“…Any additions, deletions, or other revision to project goals and scope are considered to be changes, whether they increase or decrease the project cost or schedule. Most commonly, lack of timely and effective communication, lack of integration, uncertainty, a changing environment, and increasing project complexity are the drivers of project change (Naoum 1994). In addition, these changes may affect other aspects of the performing organization that may have program management implications.…”

Section: Introductionmentioning

confidence: 99%

Project Change Management System

2001

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Changes in projects are common and may be deleterious or beneficial-whether you see a change as a conflict or a valuable lesson depends only on your prospective. Project changes affect the cost, the scheduling, and the duration of projects, both directly and indirectly. Despite many articles and much discussion in practice and academic literature, there is a lack of information about systematic approaches to manage project change. This paper introduces a comprehensive project change management system that is founded on five principles: (1) promote a balanced change culture; (2) recognize change; (3) evaluate change; (4) implement change; and (5) continuously improve from lessons learned. By applying this project change management system, project participants can minimize deleterious change and promote beneficial change.

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Section: Introductionmentioning

confidence: 99%

Project Change Management System

2001

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“…Naoum [93] emphasized that lack of timely and effective communication, lack of integration, uncertainty, a changing environment and increasing project complexity are the drivers of project change. With a better understanding of which change factors or combination of change factors are most influential in the development of delay and disruption impacts, the construction industry will hopefully be able to better forecast and manage the impacts of design changes.…”

Section: Simulation Model As Decisionsupport and Communication Toolmentioning

confidence: 99%

A Conceptual Framework for Managing Design Changes in Building Construction

2016

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Abstract. Design changes have always been an innate feature of the construction industry. Despite the various project management techniques, many building construction projects still fail to achieve their time and cost objectives. This paper aims to focus on design changes as a major cause of time delays and cost overruns. It seeks to discuss the causing factors of design changes in building construction projects and highlighting the resulting rework that is detrimental to project performance. Hence, this paper also aims to present a conceptual framework which was developed to better manage design changes through clued-up management decision to avoid future claims and disputes. Recent and current literature is examined and reviewed. The review approach was based on related literature to identified themes. The existing literature is summarised into five discrete themes of "design changes", "rework", "time and cost overruns", "communication" and "decision-making". The synthesised literature is subsequently utilised in the development of conceptual map which provided the direction for designing the conceptual framework. Extensive review of preceding studies on causes of time and cost overruns reveals that design changes is identified as one of the significant factors. However, there are limited studies in this domain. The discussion presents a knowledge gap of linking design changes and rework with decision-making in project management. This finding suggests the need for further empirical study. The framework stresses the importance of communication and management decision as the control mechanism. Researchers and practitioners in construction management field will find this study useful in understanding the causing factors of design changes and its detrimental impacts to project performance which risk the project to claims and disputes. The conceptual framework presents an imperative outcome to encourage further research in developing conceptual causal model of design changes which shows the key causal variables and their feedback loops.

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“…Research on tendering criteria has traditionally focused on developing optimal bidding price prediction models or bidding strategies [14][15][16][17]. The decision about whether to participate in a tender is complex, and the decision factors and their relative importance vary between businesses [9,[18][19][20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

A Methodology to Detect the Deviations of the Project's Budget Compared to Market Prices

Bargues¹,

González-Cruz²,

González-Gaya³

et al. 2015

ujm

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The budget of a project reflects the cost of the investment needed to build an infrastructure, install a system or acquire new materials or supplies. A well-formulated budget in accordance with market prices, allows contractors to prepare offers according to their technical, economic and financial characteristics. On the other hand, it avoids current philosophies that aim to get the contract at any price. Philosophies subsequently used to point out problems and claims during the execution of the project (contradictory prices, delays, etc.) in order to recover some or the entire economic bid carried out during the tendering. In this paper a simple and fast methodology is developed to check if the tendering price is in accordance with market prices, so that the economic viability of the project is not at risk. The application of the methodology on a sample of projects allows us to check the influence of the type of project (civil or building) on the characteristics of the budget. It also allows us to point out the insufficient economic endowment of the projects as the start of the subsequent problems during the execution of the work.

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Critical Analysis of Time and Cost of Management and Traditional Contracts

Cited by 85 publications

References 8 publications

Project Change Management System

Project Change Management System

A Conceptual Framework for Managing Design Changes in Building Construction

A Methodology to Detect the Deviations of the Project's Budget Compared to Market Prices

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