Chuchawal Royal Haskoning (C-RH) is a firm of Consultants, Designers and Engineers. C-RH combines global expertise and local knowledge to produce integrated solutions for both our Local and International Clients. C-RH is a member of Royal HaskoningDHV. OUR THAI HERITAGE On November 5th 1969, the Dutch Firm De Weger Internationaal signed a contract for the design of the HO of The Bank of Thailand. This project laid the foundation of a fruitful cooperation between Mr. Chuchawal Pringpuangkeo, Design 103 Founder, and De Weger Internationaal. In September 1974, Chuchawal De Weger Internationaal was registered in Bangkok, Thailand. On August 8th 2008, CDW changed its name into Chuchawal-Royal Haskoning (C-RH). In 2012 Royal Haskoning merged with DHV and became Royal HaskoningDHV (RHDHV).