BANGKOK MASS TRANSIT SYSTEM (MOCHIT – SAPAN MAI SECTION) RATCHAYOTHIN UNDERPASS

LOCATION:   Ratchayothin Intersection, Paholyothin Rd Bangkok, Thailand

 

CLIENT:        Office of Transport and traffic Policy and planning (OTP)

 

PERIOD OF SERVICES : Aug 2007 – Dec 2007

 

DESIGN FEE:                  1.8 MB

 

FINANCED BY:                 N/A

 

ASSOCIATED FIRMS:        PTE Engineering Co.,Ltd

 

DESCRIPTION OF PROJECT:

Due to the increasing demand of mass transit use of BTS, and to improve travel time and people life quality. The BMA decided to extend the elevated railway from Morchit station to Saphanmai. The project consists of elevated detail design of elevated railway track and stations.  The intersection between Paholyothin and Ratchapisek road is one of the major intersection and high traffic volume. The Morchit-Saphanmai (BTS-Green line) project is located along the paholyothin road, therefore, underpass along the ratchapisek road is essential. The 4-lanes underpass with 3.25m land width and 5.25m clearance height is typical underpass section.   

International Consultants Engineering Co.,Ltd. was awarded to carry out the detailed design of underpass.

SCOPE OF SERVICES:

·         Geotechnical investigation

·         Detailed engineering design of underpass as follow:

-       Cut-cover tunnel

-       Retaining structure and base slab

-       Pile Foundation

-       Approach structures and transition units

-        Traffic Management during construction and operation

-       M & E System Design

KEY FACTORS:

·         Design drawings, specifications & calculations

·         Tender documents (Contract, BOQ, Specification)

·         Soil / structure interaction analysis

·         Retaining Structure & Cut-cover tunnel design

·         M & E System Design

·         Traffic Management during construction and operation

·         Utility diversion

·         Construction sequences