ACCEPTANCE OF FIDIC STANDARD CONTRACT IN AN ASIAN COUNTRY: A SURVEY IN THAILAND Kongkoon Tochaiwat 1 and Visuth Chovichien 2 1 Lecturer, Faculty of Architecture and Planning, Thammasat University, Thailand 2 Associcate Professor, Faculty of Engineering, Chulalongkorn University, Thailand ABSTRACT: The objective of this paper is to address the contract management issues and the guidelines for modifying the contract clauses to enhance efficient contract management of a FIDIC(1999) standard contract : the “Conditions of Contract for Construction for Building and Engineering Works Design by the Employer(First Edition)” in Asian developing countries by using Thailand as a case study. The study was done by reviewing related documents, analyzing basic issues, assessing the effect of each basic issue as to the contract management efficiency and establishing the guidelines for modifying the contract clauses. There are 13 issues, which can be divided into 4 groups, i.e. quality-related, cost-related, time-related and right-and-duty-related contract issues, to be realized in modifying the Construction Contract(1999). The three most important issues that affect the contract administration efficiency are 1) the absence of time-limits for engineer to execute his duties of determination 2) the engineer’s right to authorise major variation without the employer’s consent and 3) the