Study of Important Factors for Quality Control of Construction of North Bangkok Power Plant Block 2

Abstract

The objective of the study was to investigate the key factors to control the quality of
the North Bangkok Power Plant block 2 construction. The study used a survey sampling
methods to collect opinions and attitudes concerned the 10 factors influencing the quality
variation. These factors were manpower, material, machine, financial, environment, regulation,
contract, design, construction and quality system. In a group of 62 representative samples
selected by using purposive sampling were 35 owner’s employees and 27 employees of the
contractor. Descriptive and inferential statistics were used to analyze the data. The results
showed that: (1) The top three key factors for the owner were design, manpower, and
construction respectively, while the top three key factors of the contractor were regulation,
design and manpower respectively; (2) When considered the comparison of the factors
influencing quality variation, the result showed that there was only the environmental
factor that two sampled groups had different opinions; (3) All 10 factors influencing quality
variation were found to be associated with the satisfaction on the quality of power plant
construction.