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VENTILATION SHAFTS- Tunnel ventilation shafts & VAC supply and

Exhaust shafts EXISTING ROAD WIDTH

- Minimum road width for six lanes to be maintained wherever the existing road is modified to accommodate station design - Road median to be rearranged accordingly

SIDEWALK- Minimum 1.5m sidewalk to be maintained

on either side of the roadSUBWAYS AND SKYWALKS

- Links with other important locations such as nearby Bus stand and Railway stations

FUTURE ESCALATORS- Provision for future installation of escalators from

street level to concourse level OTHER ASPECTS

- Existing utilities, flood level & entry to adjacent buildings

CHENNAI METRO RAIL PROJECT

SAIDAPET

GEMINI

TBM Starting Point

TBM Starting Point

TBM Exit Point

mosMetrostroy

mosMetrostroy

mosMetrostroy

= TBM Exit Point

= TBM Starting Point

SAIDAPET

GEMINI

MAY DAY PARK SHAFT

4 TBM will be used in this project. 2 of them will be assembled in May Day Park shaft.

From May Day Park Shaft both TBM will proceed to Gemini Station, passing the stations of Govt. Estate, LIC Building andThousand Lights. The fabric of lining elements and the evacuation of the excavated ground are done in May Day Park Shaft.

Another 2 will be assembled at the Cut & Cover Box Ramp near Saidapet Station.From the starting shaft both TBM will proceed to Gemini Station, passing through Saidapet, Chamiers Road and Teynampet.

The cross-passages for both tunnels will be constructed every 250 meters.