Günhan, Suat Mehmet

Scholarly Output Search Results

Now showing 1 - 3 of 3

Citation - WoS: 32
Citation - Scopus: 40
Avoiding Change Orders in Public School Construction
(Asce-Amer Soc Civil Engineers, 2007) Guenhan, Suat; Arditi, David; Doyle, Jacqueline
Increased student enrollment and the current poor state of the educational infrastructure require the construction of more school buildings and the renovation of many of the existing ones. The large number and magnitude of change orders in these projects constitute an impediment to the rapid and economic delivery of these projects. A total of 6,585 change orders filed in a school district's projects in the 5 1/2 year period from 1999 to 2004 were analyzed in five categories including owner-directed changes, code compliance issues, errors/omissions in contract documents, discovered or changed conditions, and others. The results of the study indicate that the dollar value of change orders relative to the original contract can be reduced if preventive measures are taken. These measures include choosing the right construction management firm, emphasizing the definition of project scope early in the project, and effectively managing the precontract activities by conducting value engineering and constructability reviews. The results indicate that school projects can be completed with change orders not exceeding 5% of the contract value if these measures are taken. This study is of relevance to practitioners involved in school design and construction projects.
Citation - Scopus: 4
The Last Decade Analysis and the Near Future Trends in International Construction
(2009) Gunhan S.
The worldwide decrease of international construction activities starting from 1997 Asian crisis, started to gain momentum in 2002, and continues to grow parallel to world economic expansion. The paper analyzes the international construction sector within the 1997-2007 periods. It makes the world regional and the respective construction firms' analyses within the context of major trends such as firm acquisitions, facilities management, infrastructure projects, and public private partnership delivery systems. The paper suggests strategies and predicts the near future while highlighting the available threats and opportunities in international construction. Concluding remarks highlight that the most of the markets will continue to be attractive. China, Russia, Middle East and Eastern Europe are expected to be the leading markets although terrorist activity concerns exist in the Middle East. The trends such as the application of more innovative project delivery systems, increase in sustainability, and establishment of global professional and enterprise licensing arehighlighted. Copyright ASCE 2009.
Citation - WoS: 32
Citation - Scopus: 39
Budgeting owner's construction contingency
(Asce-Amer Soc Civil Engineers, 2007) Gunhan, Suat; Arditi, David
This paper attempts to find ways to reduce an owner's construction contingency budget such that just enough contingency is allocated that will allow the owner to deal with uncertainties but at the same time not tie up valuable funds that can be used for other activities. It is suggested that the common practice of allocating a fixed owner contingency (e.g., 10% of the contract value) to all projects contracted out by an owner is not appropriate. Instead, a methodology is proposed whereby the owner (1) analyzes historical project data; (2) identifies the line items that are problematic; (3) takes the necessary measures at the preconstruction stage to streamline these line items with respect to site conditions, time constraints, constructability issues, and project scope; and (4) finally budgets contingency funds based on this information. A case study was conducted to analyze the contingencies budgeted and actually spent by an owner in nine parking lot projects. The findings indicated that a systematic approach such as the methodology proposed in this paper is likely to minimize the owner's contingency budget.

Journal	Count
Building a Sustainable Future - Proceedings of the 2009 Construction Research Congress	1
Journal of Constructıon Engıneerıng And Management	1
Journal of Professıonal Issues in Engıneerıng Educatıon And Practıce	1

Günhan, Suat Mehmet

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Sustainable Development Goals

NO POVERTY

ZERO HUNGER

GOOD HEALTH AND WELL-BEING

QUALITY EDUCATION

GENDER EQUALITY

CLEAN WATER AND SANITATION

AFFORDABLE AND CLEAN ENERGY

DECENT WORK AND ECONOMIC GROWTH

INDUSTRY, INNOVATION AND INFRASTRUCTURE

REDUCED INEQUALITIES

SUSTAINABLE CITIES AND COMMUNITIES

RESPONSIBLE CONSUMPTION AND PRODUCTION

CLIMATE ACTION

LIFE BELOW WATER

LIFE ON LAND

PEACE, JUSTICE AND STRONG INSTITUTIONS

PARTNERSHIPS FOR THE GOALS

Documents

32

Citations

630

h-index

10

Documents

23

Citations

429

Scholarly Output

3

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2

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0/0

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0

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0

WoS Citation Count

64

Scopus Citation Count

83

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0

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0

WoS Citations per Publication

21.33

Scopus Citations per Publication

27.67

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0

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0

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Scholarly Output Search Results