Following a clear cabinet resolution on September 12, 1995 regarding the implementation of the ISP, MRTA has revised an early implementation plan to meet present conditions and requirements. In brief, the actual construction works have started in December 1996 and are going to take approximately 6 years to complete in year 2003. After system commissioning, it is planned that the north section open to public at the end of year 2002 and full system in middle of year 2003.

1) Civil Works

The construction of civil works are undertaken by MRTA and are divided into 5 different contracts. The “Design and Build” approach is also adopted for quick implementation of this project. The civil works contracts are listed as follows:

Contract I:
Underground Structures Underground Structures - South Section (Hua Lamphong - Huai Khwang)

Contract II:
Underground Structures - North Section (Huai Khwang - Bang Sue)

Contract III:
Depot

Contract IV:
Trackworks

Contract V:
Lifts and Escalators

2) M&E Works

The Mechanical and Electrical (M & E) works will be undertaken by private sector (concessionaire) through a concession contract. The concessionaire will also be responsible for the operation and maintenance of the system for a 25-year concession period. The E & M works are comprised as follows:

(1) Rolling Stock

(2) Signalling and communication

(3) Power supply

(4) Automatic fare collection

(5) Equipment for the Depot

3) Project Consultants

Four groups of internationally experienced consultants are commissioned to assist the MRTA during the implementation of this project as follows:

(1) Project Management Consultant (PMC)

(2) Construction Supervision Consultant for Contract I, II and V (CSC1)

(3) Construction Supervision Consultant for Contract III and IV (CSC2)

(4) Mechanical & Electrical Supervision Consultant (MESC)