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Old January 23rd, 2011, 10:56 AM   #4181
Abhishek901
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Quote:
Originally Posted by Ashis Mitra View Post
Why Mumbai metro chose overhead wire & standard gauge? Third rail is much aesthetic, and BG is faster than SG, both like Kolkata metro.
Stop tolling again and again posting same shit in every thread even after you receive replies for your questions.

Replies to your trolling in Delhi metro thread:

Quote:
Originally Posted by Ashis Mitra View Post
The Delhi tram, which was closed in 1962, was served in Old Delhi area. I heard the route was from Kashmir Gate to Chandni Chowk via Jama Mosque. All were single coach trams, used trolley pole. The total route was single tracked.

Why Delhi metro chose overhead wire? Third rail is much aesthetic, like Kolkata metro.

Also, mixed gage is not practical. Line 1 to 3 is in BG, but 4 to 6 is SG. So a metro can’t go from Dilshad Garden to Mundka, or Jahangirpuri to Saritavihar. Broad gauge trains are faster than standard gauge. I suggest like Kolkata metro, and the first 3 lines, future lines of Delhi metro should be in broad gauge again to smooth through running without interchanging much.
Quote:
Originally Posted by Abhishek901 View Post
Come on. Stop posting same tram thing again and again in every metro thread around the globe. Don't you get bored of it?

FYI, Delhi metro operates all lines independent of each other. Have you seen red line trains running on yellow line or blue line tracks ?

BTW line 4 is BG.

World's fastest train on wheels was Alstom TGV experimental train which ran at a top speed of 575 km/hr on standard gauge. You need faster train than this ?
Quote:
Originally Posted by Sridhar View Post
BG is not faster than SG. All the HSRs in the world in Europe, Japan, Korea, Taiwan and China are all SG. Typical top speeds in metro systems in dense urban areas are of the order of 80kmph (with an inter-station distance of about 1km, anything more is meaningless in any case). The capacity of the BG coach in the Delhi Metro is not higher than that of typical SG coaches. In fact, the Rotem coaches supplied in the first phase of the Delhi Metro are identical in dimension to the SG coaches supplied for the Hong Kong Metro, except the chassis which was BG instead of SG. The costs for SG are lower than for BG.

The BG vs. SG decision was essentially a turf battle between Delhi Metro and Indian Railways (with Mamata as Railways minister) in which the latter won out. All future lines, except extensions of existing BG lines will be on SG. Delhi Metro is in this unfortunate position due to Mamata's stupidity and that of her top officials who had no experience with metros, and have had no role in the development of the metro subsequently either. Either the system will continue in perpetuity with two gauges (perfectly feasible since the lines are typically independent, and with good interchange facilities, there is no need to run trains that traverse multiple lines). Or eventually, all the BG lines will be converted to SG. My own bet is that the system will continue to have two gauges for the foreseeable future.

Replies to your trolling in Bangalore metro thread:

Quote:
Originally Posted by Ashis Mitra View Post
I READ THAT Bengaluru is a green & spacious city, and not clumsy. Due to much open space, turning curve will be not a problem. So why Bengaluru metro chose standard gauge? BG is faster than SG, like Kolkata metro.

REALLY. THE BENGALURU METRO WIL BE OPENED FOR PUBLIC FROM 24/1/11?

Quote:
Originally Posted by sudheeshnairs View Post
It is the World Standard. Across the world, most modern cities run SG metro trains.

We are getting technology from overseas, so SG is always better, and more adaptable.

Delhi Metro which had initially gone for BG under pressure, later adapted SG for some of their recent lines.

Theoretically BG can be faster than SG as the speed is a function of the gauge. But do the world's fastest trains run on BG??

And how fast you expect a metro train to run, with stops about a km apart? I understand Bangalore Metro can have top speeds of about 80kph.
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Old January 23rd, 2011, 03:16 PM   #4182
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The patch of road which hasnt seen any activity leading to Andheri station from WEH is finally closed for traffic



The "football" pole near WEH

They have attached steel structures on the completed pole on for the cables i guess
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Old January 23rd, 2011, 03:26 PM   #4183
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WEH station from below



near kohinoor hotel


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Old January 23rd, 2011, 03:29 PM   #4184
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good pics CG


hmm its going to one hell of a slow ride if they gonna extend it to dahisar and add ten stops....


talk about long commuting time.


wise move to extend the line from ghatkopar to Mankhurd.
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Old January 23rd, 2011, 03:35 PM   #4185
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Substation near Marol depot
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Old January 23rd, 2011, 03:40 PM   #4186
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near sakinaka


Another complex struture, Asalpha station.The link road is I guess gonna go below the metro, they have made a new temporary asphalt road in the vicinity to construct the link road and the pillars over the current road.Expecting the current road to be closed down soon

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Old January 23rd, 2011, 03:48 PM   #4187
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Near asaipha village

Sakinaka junction

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Old January 23rd, 2011, 04:43 PM   #4188
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Excellent updates man.
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Old January 23rd, 2011, 05:15 PM   #4189
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Nice updates Coolguyz....humnn work looks little slow to me..good days ahead for mumbai....

cheers
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Old January 23rd, 2011, 05:23 PM   #4190
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great update.... cg
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Old January 23rd, 2011, 05:26 PM   #4191
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Nice updates CG
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Old January 23rd, 2011, 06:35 PM   #4192
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Coolguyz ....hum tumhaare bade aabhari hain !
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Old January 23rd, 2011, 06:44 PM   #4193
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gr8 pic CG .. Keep it coming
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Old January 23rd, 2011, 09:40 PM   #4194
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Quote:
Originally Posted by buddy_rohan View Post
There are no sections underground. choice of catenary is surely coz of 25kV AC but 25kV itself is not coz of elevated tracks or waterlogging. it is the operational need of a heavy metro and the location of substations (which is an issue in the heavily crowded corridor). 25kV allows longer sections with one substation.
There will be some underground line in future.

1) Bandra to Colaba.
2) Ghatkopar to Hutatma Chowk.
3) Sewri to Prabhadevi.
4) Sewri to Navi Mumbai.
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Old January 23rd, 2011, 09:42 PM   #4195
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Quote:
Originally Posted by Ashis Mitra View Post
There will be some underground line in future.

1) Bandra to Colaba.
2) Ghatkopar to Hutatma Chowk.
3) Sewri to Prabhadevi.
4) Sewri to Navi Mumbai.

thats through a bridge and not underground

unless you want to route it through chembur, which i doubt cause harbour line exists.
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Old January 23rd, 2011, 09:45 PM   #4196
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by my estimates

once Mumbai metro and phases are complete (phases 1 and 2 and 3) (total 150km)

85-90% of land area in Greater Mumbai will be 1km away from a metro or suburban station.

this excludes monorail which no doubt will cover even more ground.


Dare i say end feeder services like buses if that is the case?
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Old January 24th, 2011, 06:31 AM   #4197
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Quote:
Originally Posted by MeMumbaikar View Post
once Mumbai metro and phases are complete (phases 1 and 2 and 3) (total 150km)
so around 2050 then?
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Old January 24th, 2011, 06:32 AM   #4198
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nope I dont think.... but load will be less compare to whats now
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Old January 24th, 2011, 08:19 AM   #4199
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I'd say we can finish realistically by 2025 with all 3 phases.

Great updates CG
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Old January 24th, 2011, 08:37 PM   #4200
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Quote:
Originally Posted by Ashis Mitra View Post
There will be some underground line in future.

1) Bandra to Colaba.
2) Ghatkopar to Hutatma Chowk.
3) Sewri to Prabhadevi.
4) Sewri to Navi Mumbai.
I was taking about VAG line only.
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