Metro Line - 9 & 7A

Mumbai Metro Line 9 & 7A (i.e. Line 7 Extension)

Metro Line 9 is extension of Line 7 from Andheri to CSIA and Dahisar to Mira Bhayander and is 13.581 km long (11.386 km elevated and 2.195km underground) with 10 stations.
It shall provide interconnectivity among the existing Western Express Highway, Western Railway, ongoing Metro Line 2A (Dahisar to D N Nagar) and Metro Line 7(Andheri (E) to Dahisar (E)).
It shall provide rail based access to the commercial, Govt. bodies and geographical landmarks in Mumbai.
It shall reduce the current travel time by anything between 50% and 75% depending on road conditions.


Length	13.581 km
Stations	10 Nos.
	Dahisar (E) to Mira-Bhayander ( All Elevated) 1. Dahisar, 2. Pandhurang Wadi, 3. Miragaon, 4. Kashigaon, 5. Sai Baba Nagar, 6. Meditiya Nagar, 7. Shahid Bhagat Singh Garden, 8. Subhash Chandra Bose Stadium Andheri (E) to CSIA extension 1. Airport Colony (elevated) and 2. CSIA (underground)
Elevated / Underground	11.386 km elevated and 2.195 km underground
Project base cost	Rs. 6607 Crore (including state taxes and 7.5% p.a escalation)
Ridership :
2021	Daily Ridership - 8.47 Lakh (PHPDT- 24585)
2031	Daily Ridership – 11.12 Lakh (PHPDT- 30389)
Rolling Stock	Width : 3.20 m Height : 3.90 m Length : 21.84 m
Capacity	8 coach train : 2352 persons

Updates as on 12th February 2024

Sr. No.	Name of Work	Status in %
Elevated Viaduct
1.	Working Pile	83% Completed
2.	Pile cap	79% Completed
3.	Pier	78% Completed
4.	Pier Cap Casting	74% Completed
5.	Pier Cap Erection	73% Completed
6.	U-Girder Casting	71% Completed
7.	Portal Beam Casting	76% Completed
8.	Portal beam Erection	71% Completed
9.	I-Girder Casting	66% Completed
10.	I-Girder Erection	42% Completed
11.	Deck Slab Casting	21% Completed
12.	Parapet Casting	32% Completed
13.	Parapet Erection	07% Completed
Elevated Station
14.	Working Pile	100% Completed
15.	Pile cap	100% Completed
16.	Pier (CL to PL)	97% Completed
17.	Pier – DHS Station (GL to PL)	100% Completed
18.	Hammer Head	97% Completed
19.	Concourse Pier Arm Erection	92% Completed
20.	Platform Pier arm Erection	95% Completed
21.	Portal beam Erection (Dahisar Station)	67% Completed
22.	U-Girder Casting	87% Completed
23.	U-Girder Erection	77% Completed
24.	L-Girder Erection	64% Completed
25.	T-Girder Erection	77% Completed
Flyover
26.	Pile cap	50% Completed
27.	Pier	87% Completed
28.	Hammer Head	89% Completed
29.	Abutment Pile Cap	75% Completed
30.	Dirt Wall	58% Completed
31.	Flyover Pier Cap Erection	95% Completed
32.	I-Girder Erection	74% Completed
33.	Deck Slab Casting	42% Completed
Entry Exit
34.	Working Pile	33% Completed
35.	Pile cap	20% Completed
36.	Columns	17% Completed
LINE 7A
Elevated Viaduct
1.	Working Pile	100% Completed
2.	Pier Cap Casting	91% Completed
3.	Pier Cap Erection	82% Completed
4.	U-Girder Casting	85% Completed
5.	U-Girder Erection	53% Completed
Elevated Station
1.	Working Pile	100% Completed
2.	Entry Exit-2 Piling	89% Completed
3.	Monolithic Pier	100% Completed
4.	Portal Pier (Up to PL)	100% Completed
5.	Pier Cap Casting	67% Completed
6.	Pier Cap Erection	33% Completed
7.	Portal Beam Casting at PL (Cast in Situ)	67% Completed
8.	U-Girder Casting	09% Completed
ELEVATED RAMP
1.	Elevated Ramp	15% Completed
CUT & COVER AND UG RAMP
1	Cut & Cover
a.	Micro Pile	66% Completed
b.	Excavation	20% Completed
c.	Anchor Drilling & Grouting	15% Completed
d.	Waler Erection	05% Completed
2	UG Ramp
a.	Capping Beam	69% Completed
b.	Excavation	70% Completed
UG CSMIA Station
1.	Excavation (m3)	77% Completed
2.	Anchor installation & grouting	76% Completed
3.	Waler Erection	68% Completed
4.	Anchor Stressing	71% Completed
Tunnel
1.	Tunnel Ring Segment Casting	66% Completed
2.	TBM-1 Main Drive (Down Line)	21% Completed
3.	TBM-2 Main Drive (Up Line)	07% Completed

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