In Singapore, specifically in Kota Tinggi for the Public & Utility Board of Singapore, the project involved the extension of the Johor River Waterworks Scheme, stages 4 and 5. This extension encompassed civil and building works. Pembinaan Thin Chai Sdn.Bhd collaborated with Chai Mio Construction Sdn. Bhd. to complete this project. The work included concreting, carpentry, and bar bending. The total cost for this construction project was RM 1.1 million, and it commenced in May 1999.