Search found 837 matches

by vsunder
08 Mar 2021 01:05
Forum: Technology & Economic Forum
Topic: Civil Aviation Development & Discussion
Replies: 5798
Views: 674366

Re: Civil Aviation Development & Discussion

8th civil airport to be inaugurated tomorrow March 8th by CM UP Yogi Adityananath at Bareilly. Alliance Air will operate flights and soon after Indigo will start flight operations from Bareilly. https://twitter.com/811GK/status/1368130898621689859/photo/4 Bareilly is where the Jat Regiment regimenta...
by vsunder
07 Mar 2021 23:41
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Bridge over River Ghataprabha getting readied for Belgaum to Miraj and onwards to Pune doubling. RE is also taking place simultaneously between Londa and Pune. https://www.youtube.com/watch?v=9_NF-0c1n14 Parts of the Pune-Londa doubling and RE between Londa and Belagavi, you can see OHE poles on the...
by vsunder
06 Mar 2021 04:30
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Track linking and laying has started using NTC machines on the 127 km line that encircles NCR region around Delhi and links the end of the EDFC at Dadri to the start of the WDFC at Rewari. 10km is already laid. Machines lay 1.5 km of track a day with great precision. L&T is the prime contractor....
by vsunder
25 Feb 2021 07:15
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

88 new Railway projects were dedicated to the nation few days ago by PM Modi. Numerous things like FOBs in Kerala and RUBS in Goa etc. 1. Important take aways Jhargram to Kalaikunda third line which was commissioned a few days ago, on the Kharagpur-Tatanagar east-west route will help in decongestion...
by vsunder
25 Feb 2021 04:04
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

SWR on a roll. 1. Central air conditioning started and set at 23.5 C in the new terminal building Sir M. Visveswaraya terminal Bypannahalli. https://twitter.com/Lolita_TNIE/status/1364635419392897024 2. Doubled and Electrified line commissioned between Yelahanka and Makalidurga,(36 km) speeds are a ...
by vsunder
16 Feb 2021 23:04
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Habibganj Railway station modeled on Heidelberg railway station in Germany is scheduled to open end March 2021. PM Modi most likely will open the station. The commercial building on the left possibly will take more time to open. This video contains in part interviews with DRM Bhopal, Uday Borwankar ...
by vsunder
14 Feb 2021 07:38
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

vsunder ji, great job and great updates!!! Bharatvarsh is definitely on the march. Thanks. Eastern Railway becomes the first zone to achieve 100% electrification. https://www.financialexpress.com/infrastructure/railways/with-eastern-railway-becoming-100-electrified-indian-railways-eyes-complete-ele...
by vsunder
11 Feb 2021 04:47
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

1. Triple line CRS, Kharagpur to Jhargram 37 km, on the 132 km Kharagpur---Tatanagar/Adityapur section. CRS trial at 120 kmph yesterday Feb 9th. 1. Howrah---Kharagpur is triple lined. With Kharagpur to Tatanagar tripling, Howrah to Rajnandgaon (1000 km) will be essentially tripled on the East-West Q...
by vsunder
11 Feb 2021 02:17
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

https://twitter.com/SahilInfra/status/1 ... 4926026754

First open foundation L&T, package C4, Bullet train project, countdown started Dec 2024 completion.

LA is an issue in MH
by vsunder
06 Feb 2021 19:12
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Babina is actually 20kms from Jhansi. The entire Jhansi to Itarsi section 384 km is under tripling with 210 km complete. Bina to Bhopal/Habibganj is tripled while Habibganj to Barkheda is tripled, and Barkheda to Budni in the Ghats 5 tunnels under construction for the third line. Animal overpasses a...
by vsunder
06 Feb 2021 04:12
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Vsundar ji has a distinguished record in writing, but nothing that would ever go in a coffee table book :D Sorry, couldn’t resist. Had to brag that I have had the distinct pleasure and privilege of meeting vsundar ji in person. Back to the topic at hand: Palanpur in Gujarat is close to Deesa, which...
by vsunder
05 Feb 2021 22:14
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

1 ha of land remains to be acquired for land acquisition to be complete on EDFC excluding Sonnagar to Dankuni section. 9 ha of land needs to be acquired mainly around JNPT for land acquisition to be complete on WDFC. This is the current situation. Rough status of some sections. 1. Madar to Palanpur ...
by vsunder
04 Feb 2021 04:41
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

vsunder saar, some one on SSC is claiming that SBC-MYS line was recently upgraded to 130 Kph. Is there any truth to it? Short answer I do not know. It will be difficult though. The original tracks were laid by the Mysore State Railways who also laid the tracks from Yeshvantpur to Hindupur (doubling...
by vsunder
03 Feb 2021 22:14
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

OMAC/Italy OHE installation equipment at work on WDFC: sub-contractor Madhav Engineering for L&T and Mitsui. https://youtu.be/1Xo7AWSaG4E https://www.youtube.com/watch?v=ZUAcJkEoqEc OHE installation via trapeze artists and jugaad on NFR on IR between Guwahati and Jalpaiguri an ongoing project. T...
by vsunder
03 Feb 2021 06:31
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

^^^ Line tripling is going on the entire length of the Chennai to Delhi route. Some zones are not being diligent about it like CR and NCR, though SCR and WCR are being very diligent. The entire section Bina to Bhopal and Habibganj is third lined and bar a 25 km section in the ghats, Habibganj to Ita...
by vsunder
30 Jan 2021 22:52
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Massive yard re-modelling is taking place at SWR HQ Hubli. SWR is on a re-naming spree. Hubli is re-named to SSS Hubli Jn. Sri Siddharoodha Swami Hubli Jn. who was a saint in the early part of the 20th century with his matha at Hubli. Likewise Sir Mokshagundam Visweswarayya Third Coaching Terminal B...
by vsunder
30 Jan 2021 22:27
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

^^^ A few weeks ago New Jalpaiguri to Cooch Behar was energized. Pole installation has reached Rangiya and perhaps Guwahati outer. Doubling is complete in many block sections between Rangiya----Bongaigaon----Alipur Duar----Coochbehar-----Jalpaiguri. There was a cockup on the second bridge over Teest...
by vsunder
29 Jan 2021 02:32
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Windows on 1 AC on Rajdhani will be equipped with Liquid Crystal windows that become opaque at the touch of a switch, doing away with curtains, window shades or blinds:

https://twitter.com/drmubl/status/1354495239877136386
by vsunder
26 Jan 2021 22:20
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

New station Buildings at major cities in SWR: 1. Hosapete (Gateway to Hampi) with elements of Vijayanagara architecture https://www.youtube.com/watch?app=desktop&v=uj77uDjgf3M 2. Davangere railway station https://www.skyscrapercity.com/cdn-cgi/image/format=auto,onerror=redirect,width=1920,height...
by vsunder
26 Jan 2021 20:12
Forum: Technology & Economic Forum
Topic: Indian Roads Thread
Replies: 3118
Views: 398014

Re: Indian Roads Thread

Two Bridges across the Yamuna The first bridge is under construction on one of Yogi Adityanath's flagship projects, Bundelkhand Expressway and Defence Corridor, linking Chitrakoot Dham, a pilgrimage spot in Eastern UP, through Mahoba, Jhansi and the badlands where dacoity flourished and will join t...
by vsunder
26 Jan 2021 04:46
Forum: Technology & Economic Forum
Topic: Indian Roads Thread
Replies: 3118
Views: 398014

Re: Indian Roads Thread

65% of the strategic Z-Morh( Z-bend) tunnel is excavated and the escape tunnel will be done by March. This is a strategic tunnel connecting Kargil and Srinagar. Coupled with the under construction tunnel at Zoji La, it will provide all weather connectivity between Srinagar and Leh and obviate the ne...
by vsunder
26 Jan 2021 01:35
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

RVNL performing cut and connect at Karjoda(the first station north of Palanpur on the Delhi to Ahmedabad route) to connect WDFC tracks to IR tracks in early December in preparation for operationalizing Madar(Ajmer) to Palanpur section of WDFC. Rakes on WDFC will switch to IR here for onward journey ...
by vsunder
24 Jan 2021 19:57
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

I have made many allusions to brake pressure and so on. Brakes initially and historically were handbrakes applied by brakemen who sat on top of freight cars. This was very dangerous work and some years 5,000 brakemen lost their lives annually in the US in the 1860s. George Westinghouse invented the ...
by vsunder
24 Jan 2021 19:29
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Doubling is taking place for the first time ever deep in Peninsular India on the Madurai---Nagercoil---Kanniyakumari section, currently single line electrified. Chennai to Madurai was doubled and electrified around 2016. Numerous other lines around Madurai were electrified and also around Trichy. Tr...
by vsunder
24 Jan 2021 18:46
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

@Zynda: Yes a number of capacity enhancements measures were undertaken mainly during the early part of the lockdown on this Class B line, Bangalore City(SBC) and MAS(Chennai). Sectional speeds were increased and they even shot a video of a freight at "high speed" between Jolarpet(JTJ) and ...
by vsunder
24 Jan 2021 02:48
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

No can do on DFCs either as part of routine and safe operations. If you want gimmicks then one can do on DFC also. As per my understanding loop lines on DFC have been designed for 1500m or a bit more, double the length of IR rakes. Any rake longer than that poses a safety hazard and will extend into...
by vsunder
24 Jan 2021 00:09
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

^^^ High class chicanery and total ullu banoing by SECR and Ministry of Railways aided by that acolyte Siddharth. This can only happen since no passenger trains are running. Once passenger trains run Naag, Lizard of Mongolia, Saap etc etc will all die a natural death and since 99% of the population ...
by vsunder
23 Jan 2021 03:16
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Information about bridge over River Tons is also sparse(Tamsa of the Ramayana where Rama halted with the citizens of Ayodhya before sending them all back, it is one of the few rivers that joins Ganga about here at the right bank of Ganga and has its origins in the Chhotta Nagpur hills. A big Geology...
by vsunder
23 Jan 2021 02:56
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

There seems to be no news at all about two more tunnels on WDFC. Vasai detour (the old Portuguese Bassein) North tunnel 320m and Vasai detour south tunnel 430m. JICA the funding agency for WDFC is very strict with displacement of population and such things(ditto for High speed rail Mumbai to Ahmedab...
by vsunder
22 Jan 2021 23:04
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Third Line Progress on Trunk routes Kavali to Nellore on the Chennai to Howrah/Delhi/Hyderabad line. Solid progress with track linking now taking place. https://www.youtube.com/watch?v=fB3QQOJQn6Q Bridge in Nellore over River Penna also completed with space for a fourth line in future https://www.y...
by vsunder
22 Jan 2021 22:45
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Medha Servomotors has installed a TCAS on the level of ETCS-2 which is under trials on SCR between Umri and Sivungaon sections on the Mudkhed to Secunderabad section 21 km. The Modi Govt forced IR to abandon obtaining ETCS-2 systems from abroad and search for solutions inside India. ETCS-1 has been ...
by vsunder
22 Jan 2021 22:38
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

In 2008 UPA Govt. made a a grandiloquent announcement of gauge conversion of Bodinayakur to Madurai Metre gauge track. Bodi is the cardamom capital of the world at the foothills of the Western Ghat and Teni( a district HQ) also lies on this line about 10km from Bodi the terminus. Line was put in by ...
by vsunder
22 Jan 2021 22:20
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Link between North and South India completed. With CRS inspection and commissioning of 23km of re-gauging and simultaneously OHE electrification work of Lamta-Samnapur section between Jabalpur and Gondia, Modi Govt. has completed a project which it identified as critical. When the Govt. came to pow...
by vsunder
22 Jan 2021 19:51
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

DFC is using "two phase" 2x25 KV traction for superior tractive effort. Rest of IR is single phase 25KV. The single phase also forces IR to run EOG diesel power generation units on passenger trains. This is because the climate control equipment ACs etc on passenger coaches use 3-phase 415V...
by vsunder
21 Jan 2021 03:40
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Good to see you back, vsunder-saar, this thread missed your very detailed posts during DFC commissioning and it is always a pleasure to read :) Many Thanks. EOTT, End of Train telemetry devices a new era on IR. A new era has dawned in IR. End of Train telemetry devices were supposed to be part of t...
by vsunder
21 Jan 2021 03:17
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Both bridges across Yamuna at Noida and across Hindon River on the WDFC connecting Dadri on EDFC and Rewari are complete. Yamuna bridge was constructed by using a coffer dam to stop the flow of the river which needed the cooperation of the environmental agencies of Haryana and UP governments. L&...
by vsunder
21 Jan 2021 03:10
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

^^^^ Listen carefully at what is being explained. The manager states that 180 TEUs can be put onto a rake double stack. This is a IR rake not a DFC rake. DFC rakes are double the length. So DFC rakes double stacked capacity is 360 TEUs. As I said 109 rakes will run in each direction on the DFC per d...
by vsunder
21 Jan 2021 03:09
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

Here are two videos that explain operations at the container terminal at Kathuwas (between Ateli and Rewari) on the WDFC. This is a major container terminal. Material handling systems, tagging containers and how each port has its own siding line at the terminal is shown and explained. How errors are...
by vsunder
21 Jan 2021 03:06
Forum: Technology & Economic Forum
Topic: Indian Railways Thread (Dec 2015)
Replies: 3972
Views: 773823

Re: Indian Railways Thread (Dec 2015)

DFCs will become the lifeline of India. The Eastern DFC runs parallel to the busiest route in India. 110 freight rakes move on the Grand Chord section each day, roughly 55 in each direction. This is 2018 figures. All this traffic will move to the EDFC once the EDFC is fully constructed to West Benga...
by vsunder
09 Aug 2020 04:34
Forum: Technology & Economic Forum
Topic: BR Maths Corner-1
Replies: 2026
Views: 179099

Re: BR Maths Corner-1

This paper posted on Arxiv on Monday solves a 30 year old problem on the nodal sets of eigenfunctions. https://arxiv.org/pdf/2008.00677.pdf A nodal set is the set where the eigenfunction is not zero. A cheap summary of the result is Nodal sets cannot be thin and narrow. A first version of this resul...

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