The Blue Line forms Bangkok's second urban rail system and comprises approximately 21km of rail and 19 stations, all underground. Halcrow carried out the detailed design of the Depot to serve the line.

The extremely poor ground conditions led to the design of an elevated concrete platform over an area of 54 hectares.

associated firms:

Pyramid Development Internatinoal Corp Ltd (PDI)

scope

Lead Designers to the Contracting Consortium for the Depot Platform Design under a Design and Construct Contract.

key factors

	Preparation of Geotechnical and Hydrological Reports and Environmental Impact Assessment
	Preparation of design drawings for an elevated concrete platform approximately 1200m long by 315m wide
	Approximately 17000 precast 500m dia spun concrete piles and 400 bored piles, 600m dia
	14000 precast concrete panels and 77,500m3 in-situ concrete slab
	Elevated walkways in stabling area
	10,200m uPVC under-platform drainage system
	Khlong (canal) bridges and retention works
	2 road bridges, 600m of roadworks, landscaping and fencing
	Construction support and co-ordination with other designated contractors