The Purple Line

Background

     The Cabinet on the meeting on March 9th, 2010 acknowledged and agreed on the resolutions of the Land Traffic Management Committee meeting on February 8th, 2010 with Bangkok Metropolitan’s Railway Transportation Master Plan. The committee also assigned MRTA to implement the master plan in 10 years (operated within 2019) with 7 lines of the total distance of 154 kilometers. This includes MRT Purple Line Project (Tao Pun - Rat Burana Section) which is under MRTA’s responsibility.

     Later, the Cabinet on the meeting on July 25th, 2017 assigned MRTA to begin construction MRT Purple Line Project: Tao Pun - Rat Burana (Kanchanaphisek Road) Section’s civil works with the budget of 101,112 million Baht.


CharacteristIcs

Alignment

     The MRT Purple Line Project begins from Tao Pun Station (elevated) which is an interchange station between the M.R.T. Chalong Ratchadham Line and the M.R.T. Chaloem Ratchamongkhon Line. Where the route alignment elevates over Khlong Bang Sue then gradually descending to become underground structure passing under the Royal Thai Army Ordnance Department turns right along Thahan Road at the Anti Aircraft Artillery Division, pass Kiak Kai Intersection into Samsen Road passing the new Parliament House, Rajinibon School, Royal Irrigation Department, Vajira Hospital and National Library. The alignment passes under Khlong Bang Lamphu, turns left along Phra Sumen Road, passes Wat Bowonniwet Vihara, Ratchadamnoen Klang Road into Maha Chai Road, passing Wat Rat Natda Ram Worawihan, Romaneenart Park, into Chakphet Road. It then passes under Chao Phraya River at Phrapokklao Bridge to Prajadhipok Road, passing Ban Khaek Intersection, passes under Wong Wian Yai to Somdet Phrachao Taksin Road, passing Somdet Phra Pinklao Hospital and passes under Mahai Sawan Intersection. Then, transforms to elevated alignment and goes along Suksawat Road. It passes Dao Khanong Intersection, Bang Pakaeo Intersection, Pracha-Uthit Intersection, passes over Chalerm Mahanakorn Expressway. It then passes Phra Pradaeng Junction and the end of the train route at Khru Nai Station


Structure

     The civil works structure combines with underground structure and elevated structure. Its total distance is about 23.63 kilometers. (underground structure 14.29 kilometers and elevated structure 9.34 kilometers)


Railway System

     Heavy Rail Transit : HRT


Stations

     There will be 17 stations along the route, including 10 underground stations, 7 elevated stations


Depot and Stabling Yard

     Depot jointly with the M.R.T. Chalong Ratchadham Line at Khlong Bang Phai Depot and has stabling yard located on the south side of Kanchanapisek Road adjacent to the Bang Khru Expressway toll gate 3 of Kanchanaphisek Expressway (Bang Phli - Suk Sawat)


Park and Ride

     Park and Ride Building will be located in the area of Bang Pakok Station and Rat Burana Station

Project Cost

Detail
Cost (Million baht)
Property Survey
28.73
Land Acquisition
12,194.30
Civil Works
82,082.80
Consultant Fee for PIC and PMCSC 2,860.72
M&E Works and Rolling Stocks 23,064.00
Consultant Fee for M&E Works
615.00
Total
120,845.55


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