Preparation of a bid document, turnkey design and construction of drainage and wastewater treatment systems project has been continuing to this project at Phuket Municipality proposed to Public Works Department, which is an urgent turnkey design and construction project. The bidder has to propose the technical including the cost of the construction and operation. Therefore, the evaluation of the bid document has been considered to the technical and the cost of the construction and operation. Public Works Department (PWD) has assigned Progress Technology Consultants Co., Ltd. (PTC) to carry out this project as a consultant.

PTC has provided as follows :

• Set the criteria for examining the bid document.
  
  
• Set the criteria for the technical consideration emphasizing in the method of the evaluation of the bid document which has been divided into 12 subjects. Score in each subject is the multiple and the qualitative of the tender document for the consideration.
  
  
• Set the criteria for choosing the most appropriated bidder.
  
  
• Examine and evaluate on a bid document of all the bidder by examining the performance of the bidder and evaluate on the technical.
  
  
• Evaluate a bid document for the construction cost of the bidder who is in the criteria of the qualification of the bidder and the bid document for the technical in order to gain the most benefits to the public sector.
  
  
• Support the Public Works Department for negotiating with the most appropriated bidder.
  
  
• Prepare the report on the evaluation of the bid document.
  
  
• Compare between the cost and the wastewater treatment service fee.

Noticed of the bid document in this project consisted of 26 participants who bought the bid document and 8 company groups who are the bidders on September 1, 1993. The result of the bid document was shown that Chor Karn Chang Co., Ltd. was selected by PWD, with a total amount of 384 Million Baht. The construction has been completed since 1997