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Blog Entry# 353075  
Posted: Feb 19 2012 (9:25AM)

19 Responses
Last Response: Feb 19 2012 (12:28PM)
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Feb 19 2012 (9:25AM)   15629/Chennai Egmore - Guwahati Express        
 

rdb**   20636 blog posts   252875 correct pred (77% accurate)  
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Doc. on Environment friendly Green toilets (CDTS) on IR coaches.
The discharge will happen only when speed reaches 30 kmph, thus preventing discharge at stations, when train is static..

9 posts - Sun Feb 19, 2012 - are hidden. Click to open.

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Feb 19 2012 (10:28AM)        

rdb**   20636 blog posts   252875 correct pred (77% accurate)  
Re# 353075-9               Tags   Past Edits
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And due to toilet waste spreading on tracks, (some 300,000 litres )across tracks require replacement every two years, despite the tracks normally lasting 30 years. This is what IIMA report said...

3111 views
Feb 19 2012 (10:33AM)        

Guest: 455cae1c   show all posts
Re# 353075-12               Tags   Past Edits
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sir, toilat waste falls in the middle of tracks not on the tracks...so nothing will happen to the iron tracks.

3106 views
Feb 19 2012 (10:36AM)        

Guest: 74c536c9   show all posts
Re# 353075-13               Tags   Past Edits
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The petition and the counter response was earlier posted by Roshan**.

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Feb 19 2012 (10:48AM)        

Crown Victoria*^   5703 blog posts   62827 correct pred (66% accurate)  
Re# 353075-14               Tags   Past Edits
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I think brother You might not be correct. If a Railfan is on Foot board or sitting beside a window on moving train with max speed. He can feel the sprinkle of Water coming from the front compartment. Do you have any Idea about that Water. That means it will not Dump in the middle of Track. It spreads like Hell.

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Feb 19 2012 (10:58AM)        

Guest: 74c536c9   show all posts
Re# 353075-15               Tags   Past Edits
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yes you are correct. it will be like sprinkling water. try to throw water on a fast moving body, it will hit the body and gets sprinkled on another person sitting at a distanc.

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Feb 19 2012 (11:02AM)        

S V Iyer*^   8941 blog posts   12074 correct pred (64% accurate)  
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In case of Foreign Railways discharge treatment is different. Have seen the treatment in case of China - Tibet rail line shown in Nat Geo. They said that all Coaches have a discharge box underneath and this is where the discharges are stored. Once the train halts at a major station (usually every 6-8 hrs or so) where halt is 10 mins, a special teams awaits. The discharge is pumped out from the carriage to the trucks waiting (by use of pipes). The trucks ten take it to the treatment plant / sewage plant etc. The entire pumping process takes 10 mins max as they ensure everything is ready when the train arrives.
.
They have also given the reason stating that if it is discharged enroute they will have to
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incur additional costs as lyf of the rail track and sleepers decreases.
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I have for a longtym felt that such discharge system should be used in Indian Railways also.

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Feb 19 2012 (11:05AM)        

rdb**   20636 blog posts   252875 correct pred (77% accurate)  
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The case is similar in England, Wales and Scotland [bit.ly/AqSBwl] ;
In England and Wales, the Environmental Permitting (England and Wales) Regulations 2010 (Schedule 3, D2) provide a special exemption to rail companies from the need to obtain a permit to dispose of this waste onto tracks. Similar exemptions are available in Scotland and Northern Ireland under their Waste Management Licensing regimes. This waste is deemed to be
low-risk waste that the Government has determined requires only light touch regulation.
The Rail companies must register the exercise of the exemption with the Environment Agency in England and Wales and in the case of Scotland and Northern Ireland registration is with the Scottish Environment Protection Agency (SEPA) and the Northern Ireland Environment
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Agency (NIEA) respectively. Rail companies must also ensure that the quantity of waste deposited per discharge must not exceed 25 litres, however there is no cumulative limit and therefore tens of thousands of litres of sink and toilet waste are discharged onto Britain's railway tracks every year.
"Most newer train carriages contain effluent retention tanks that are emptied regularly at maintenance depots, however older carriages including those of the InterCity model 125 still discharge waste onto tracks. Rail operators have argued that a comprehensive retrofitting of the older stock would be disproportionate to any health risks and prohibitively expensive. Prompted by health and safety concerns, research carried out by the Rail Safety and Standards Board in 2004 concluded that the health risks to rail workers were considered low and normal hygienic practices could mitigate risks of any exposure to microbiological contamination.This affects a minority of trains in service today as toilets that flush onto the track are being phased out as new rolling stock is introduced.” However, it is possible that a significant percentage of the carriages that still discharge waste onto tracks may be in service for up to a further ten years. This would continue to impact routes across the country, a consideration the Commission is likely to take into account in any investigation.

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Feb 19 2012 (11:07AM)        

Guest: 74c536c9   show all posts
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why cant we have the same in flights? Ie discharge mechanism in flights?

3043 views
Feb 19 2012 (11:10AM)        

S V Iyer*^   8941 blog posts   12074 correct pred (64% accurate)  
Re# 353075-19               Tags   Past Edits
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Discharge Mechanism in Flights is waterless i.e. there is no liquid to protect the people on the ground....and I heard its is vaccum based tech. Customised for flights only.

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Feb 19 2012 (11:17AM)        

rdb**   20636 blog posts   252875 correct pred (77% accurate)  
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For this query, here is an article of development of new alloy for preventing degradation of rails due to toilet discharge.[bit.ly/y0t6mG]
Nearly Rs.4.4 billion ($89 million) is spent annually on replacement of rails withdrawn prematurely due to corrosion.
A new alloy steel developed at the Indian Institute of Technology in Kanpur (IIT-K) has provided the answer to one of the major problems faced by the Indian railway system - corrosion of rails by toilet discharge. Field trials are in progress on use of NCC rails (Nickel, chromium and Copper - alloy rails) in Vijayawada -Chennai route of Vijayawada divn of SCR. So far performace is satisfactory.
/news/post/58938

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Feb 19 2012 (12:28PM)        

Guest: 455c8e4a   show all posts
Re# 353075-21               Tags   Past Edits
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Still whatever discharge(solid +liquid) is collected by ground staff in a air tight container called Honey pot and dumped in treatment plants,even though it is water free toilet

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