Quantifying the effects of change orders on the cost of an oil and gas construction project.

Date

6-2016

Degree

Bachelor of Science in Civil Engineering

College

College of Engineering and Agro-Industrial Technology (CEAT)

Adviser/Committee Chair

Kimjay M. Lamar

Restrictions

Restricted: Not available to the general public. Access is available only after consultation with author/thesis adviser and only to those bound by the confidentiality agreement.

Abstract

Change orders are common disruptions and modifications in the orderly sequence of performance of a construction project. This study analyzed an oil and gas construction project commissioned by Fluor Daniel Philippines and the impact of change order on the project cost. To quantify the change order impacts, vital factors were considered including Type of Work or reason of change order, Timing,Time Index, and Productivity Loss. Analysis of variance showed that the type of work was not as significant predictor for the individual and overall change impacts. Using the other factors, two models were developed. The first model aims to quantify the additional cost of the current work to be changes. The second model aims to quantify the effect of the project cost on change orders. It can be used for estimating the total additional project cost due to change orders. Based on developed models, timing has the highest contribution to the change cost. It was determined by its positive coefficients of 276,614 and 179,651,257 for individual and overall change orders, respectively. The developed model was validated using the residual plot. Furthermore, the model was used to predict the cost of two change orders from Brisbane office and showed 7.124% and -7.149% deviation from the actual cost.

Language

English

Location

UPLB College of Engineering and Agro-Industrial Technology (CEAT)

Call Number

LG 993 2016 E63 /D45

Document Type

Thesis

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