The purpose of the project is to revise and update the earlier design works, technical specifications and cost estimation as well as to prepare tender and prequalification bidding documents for construction of Nakhon Ratchasima Municipality’s water supply system.

The project’s scope of work included :

1. Revise and update the earlier design drawings of water transmission pipelines and     distribution network. The revisions have to take account of any completed distribution     network implemented by Nakhon Ratchasima Municipality in order to ensure that the     system can be operated as planned. The additional design works included:

• Raw water intake and transmission system at Lam Sae Dam: raw water pumping station (5,140 m3/hr) and transmission pipeline (Æ 1,100 – 1,200 mm, 70 km)
  
  
• Ban Mai-Nong-Bon water treatment system: a 4,400 m3/hr filtration system
  
  
• Distribution pipe network: distribution pipes (Æ 900 – 1,000 mm, 16 km)
  
  
• New Atsadang pumping station: clear water storage tank (24,000 m3) and distribution pumping station (6,000 m3/hr)
  
  
• Retrofitting of Makham Thao distribution pumping station: new distribution pumps (4,125 m3/hr)
  
  
• Atsadang pumping station: new distribution pumping station (1,125 m3/hr)
  
  
• Retrofitting and expanding of water distribution network
  
  
• SCADA system for integration control of  raw water intake and transmission, water treatment and water distribution systems
  
  

2. Update technical specifications

3. Update cost estimates of 4 construction contracts

4. Prepare tender documents

5. Prepare documents describing procedures in hiring consultant to supervise     construction of the project

6. Prepare prequalification bidding documents