Civil Aviation Development & Discussion

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Karthik S
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Re: Civil Aviation Development & Discussion

Postby Karthik S » 09 Jan 2018 09:56

deejay wrote:
Suraj wrote:Do you have a source for this ? The previous article report header is Jan 9. This is essentially news reported today. What is the source of your material ?


Suraj, I have no official source but I can confirm that even the date Vips is saying will be an aggressive target to meet.


The expected completion sometime back was 2019, not it's extended by 2 years. It's indeed aggressive but Hyderabad's new International was built in similar time. So it's doable.

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Re: Civil Aviation Development & Discussion

Postby deejay » 09 Jan 2018 10:00

^LOI was issued in 2017. Expected completion was with the understanding that such administrative steps will be earlier. GVK (and I seriously cannot quote a source for this) is still looking for attractive funding. They will need to finalise that before the work gets on full steam. I will be happy with 2019, 2021 or 2022 but the more I track this the lower is my optimism.

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Re: Civil Aviation Development & Discussion

Postby Karthik S » 09 Jan 2018 10:25

Well I think all Indian construction companies are in similar financial condition.

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Re: Civil Aviation Development & Discussion

Postby Suraj » 09 Jan 2018 13:13

deejay wrote:
Suraj wrote:Do you have a source for this ? The previous article report header is Jan 9. This is essentially news reported today. What is the source of your material ?

Suraj, I have no official source but I can confirm that even the date Vips is saying will be an aggressive target to meet.

You can't confirm anything with no source. Like I said, source please. I'm not interested in personal speculation followed by more personal speculation :)

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Re: Civil Aviation Development & Discussion

Postby deejay » 09 Jan 2018 13:19

Suraj wrote:
deejay wrote:Suraj, I have no official source but I can confirm that even the date Vips is saying will be an aggressive target to meet.

You can't confirm anything with no source. Like I said, source please. I'm not interested in personal speculation followed by more personal speculation :)


Apologies. No source except me for funding issues.

Source on LOI :http://www.thehindubusinessline.com/economy/logistics/gvk-arm-gets-letter-of-award-for-airport-at-navi-mumbai/article9923704.ece

Edit: to add I did find an old news mentioning that it will take 06 years to complete the project though GVK always mentained it could meet the deadline.

https://timesofindia.indiatimes.com/city/mumbai/firms-shortlisted-for-navi-mumbai-airport-say-it-will-take-6-years-to-build/articleshow/56344583.cms

Tata Realty & Infrastructure, Hiranandani Group and GMR Infrastructure have said that they do not plan to put in financial bids on January 9 and will seek time to decide till issues linked to resettlement and pre-development work are resolved.GVK Power & Infrastructure-led Mumbai International Airport (MIAL) is the fourth bidder and the only one that has not expressed reluctance to meet the 42-month deadline which government intends to set.

A Tata Realty official said the deadline set by City and Industrial Development Corporation (Cidco), a planning agency of the state government, was "ridiculous"."The corporation want us to complete the work within three-and-a-half years when the ground leveling work itself will take over two years," he said.

Some of the bidders also cited a potential conflict of interest saying ground leveling work has been awarded to the subsidiary of one of the four bidders. "If the ground leveling work is deliberately delayed or not done properly , the winning bidder will face penalties or even face termination of contract.This is unfair," they said.

Darshan Hiranandani, whose construction firm has qualified along with Zurich Airport to bid for the project, said, "We strongly suggest Cidco think out of the box the way our country is currently doing." He said the corporation has still not received the final environmental clearance and hence all are "skeptical what riders it will come with".

"Land development work contracted or awarded has still not begun to convert into action. "Two tenders for land development have been scrapped, thereby creating worries on the timeline," he added. Bidders are concerned about the consequent impact on the cost of the project and whether the estimates provided by government are sufficient.

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Re: Civil Aviation Development & Discussion

Postby Vips » 09 Jan 2018 19:50

Suraj wrote:
deejay wrote:Suraj, I have no official source but I can confirm that even the date Vips is saying will be an aggressive target to meet.

You can't confirm anything with no source. Like I said, source please. I'm not interested in personal speculation followed by more personal speculation :)


Check this news report which was in November 2017. It mentions the flattening of the Hill from 90 Meters height to 8 meters itself will take around 2 years.

Imagine a natural formation as high as a 20-storey building, which is 2km north-south and 1km east-west, being flattened. This is what is happening at the Navi Mumbai International Airport site as a 90m hill is being levelled to 8m to make way for a runway and the project's core area.

The hill is being blasted in the afternoon and evening everyday in order to raze it. To speed up hill-cutting, City and Industrial Development Corporation (Cidco), the project's nodal development authority, is now planning to blast the hill during mornings as well. The work, which began in July, has been delayed due to monsoon, which withdrew only in October, and protests by project-affected persons. In the coming weeks, the hill will be blasted thrice a day—7am to 8am, besides the earlier 1pm to 2pm and 5pm to 6pm. It will take two years to level the hill.

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Re: Civil Aviation Development & Discussion

Postby Suraj » 09 Jan 2018 20:53

I still don't see anything to 'confirm' anything. As far as the news goes, they're being quite proactive to get the civic works done whatever it takes. They could expand the amount of work per blasting during day, or add more rounds of blasting at night, after all. It's challenging for sure, but most big projects are. When DEL was built as fast as it was, it made peoples' jaws drop too.

It's unnecessarily hasty to go about claiming to 'confirm' anything the day an agreement is signed, especially when the party involved hasn't exactly been a poor actor with past efforts. Why such behavior "I can confirm it won't happen" right the day it's signed ? Doesn't the presumptuousness of such a claim not bother folks ? It's challenging but they're not being completely ridiculous.

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Re: Civil Aviation Development & Discussion

Postby Vips » 09 Jan 2018 21:53

Suraj,DEL airport construction was a different case altogether. There were nil/negligible obstructions for GMR to overcome. They pretty much had 3500-4000 acres to play with as they deemed fit. So the pace of development there is not at all surprising.

For a government organization like CIDCO to compress the infra workload for completion in Navi Mumbai from 2 years to 6 months would be quite an accomplishment. If it happens we can hope the Navi Mumbai airport to come up in 36 Months. I just hope GVK is not foolhardy to start work only on the first phase of handling 10 million passengers as in that case the airport would reach saturation in the first year of operation itself !!! They should start with a plan to handle 30 Million Passengers a year. This is critical as the airport at Sahar would reach saturation point this year (45-50 million passengers)

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Re: Civil Aviation Development & Discussion

Postby Suraj » 09 Jan 2018 22:31

Everything has its own set of challenges. Before DEL, there was no guarantee they'd get it done in time for CWG2010, quite simply because that kind of engineering operations expertise had not previously been demonstrated. However, GMR succeeded. Likewise, GVK has demonstrated their ability to build something given near ridiculous constraints, e.g. current BOM T2 itself where they had to keep the old Sahar running even as they built on top of it. I went through T2 for the first time recently and it's jaw-dropping compared to the tired old place that stood there before.

I agree that they're dealing with substantial challenges, including the need to get the Nhave-Sewri link up by the time the airport's running. And 10 mppafor phase 1 seems far too low compared to what BOM needs. Never mind BOM, even DEL T3 is almost saturated. At least when it comes to earthworks, this is a problem they can deal with simply by throwing more resources and blasting shifts at it. Connectivity and capacity to me are greater challenges to the immediate viability of the airport upon opening.

Regardless, it would help to see more nuance than simply "I've confirmed (how ??) that it's not going to happen" the day the agreement is signed. Entities who have demonstrated their ability to do work need to be encouraged when they take on massive challenges rather than ridiculed. Without such a supportive ethos. such a culture will not develop. No purpose is served from some 'ain't gonna happen! lol!' kind of response to such challenges. BOM T2 was so spectacular, and the operations in my personal experience so smooth, that they've earned the right to a nuanced view of the matter.

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Re: Civil Aviation Development & Discussion

Postby nachiket » 10 Jan 2018 00:46

Vips wrote:I just hope GVK is not foolhardy to start work only on the first phase of handling 10 million passengers as in that case the airport would reach saturation in the first year of operation itself !!! They should start with a plan to handle 30 Million Passengers a year. This is critical as the airport at Sahar would reach saturation point this year (45-50 million passengers)


Suraj wrote: And 10 mppafor phase 1 seems far too low compared to what BOM needs. Never mind BOM, even DEL T3 is almost saturated.


The initial operations will be airlines shifting part or all operations from MIAL to get better/more time slots. GVK controls BOM too so they will have a good handle on how many flights they allow to move over. If it was a competing consortium trying to get as many flights as quickly as possible it might have been more difficult.

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Re: Civil Aviation Development & Discussion

Postby Vips » 10 Jan 2018 01:40

I think just the volume of flyers from catchment areas of Navi Mumbai and adjoining Thane District will be enough for GVK to not take any exercise in trying to divert any flights from Sahar to the new airport. The number of flyers out of Mumbai have been unnaturally restricted due to the limited choice of budget airline flights and landing slots. By the time the new airport is operational the pent up demand would have risen so much that all the airlines would have already planned for new/additional flight schedules which is delinked from the one they have for Sahar.
Last edited by Vips on 10 Jan 2018 01:43, edited 1 time in total.

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Re: Civil Aviation Development & Discussion

Postby Vips » 10 Jan 2018 01:43

Mumbai-Delhi Becomes Third Busiest Domestic Air Routes In The World.

Leaving behind San Francisco-Los Angeles and Cape Town-Johannesburg is the Mumbai-Delhi air route, the third busiest in the world.

According to a data compiled by OAG Aviation Worldwide Ltd, Mumbai-Delhi is the third busiest domestic air route in the entire world, after only Jeju-Seoul and Melbourne-Sydney air routes. A total of 47,462 flights flew between Mumbai and Delhi in the year 2017.

Lesser time travel as compared to other modes of transport, mainly Railways that takes more than 16 hours, contribute to its popularity. Travel time on flights between Mumbai, the financial capital of India, to Delhi, the national capital, takes less than two hours.

The GVK group-run Mumbai airport is also the world’s busiest amongst the single-runway facilities by handling 837 flights a day or one in 65 seconds on an average in fiscal 2017, according to a report published in May 2017.

In terms of the number of passengers also, the city airport tops with 45.2 million people flying in and out in fiscal 2017.

Indigo Airlines, the domestic air carrier also made it to the top 5 mega airlines measure by their On Time Performance (OTP).

Indigo, at number 4, recorded 81.22% of OTP for the year 2017.

Asia dominates the list as the fastest growing travel market with air route ofJeju-Soul becoming the busiest in the world. 65,000 trips were made between Soul, the Korean capital and Jeju island.

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Re: Civil Aviation Development & Discussion

Postby Suraj » 10 Jan 2018 02:08

BOM currently has a capacity of ~750 movements per day, but operates close to 1000 movements per day, as my article post earlier up in the thread shows. They're the busiest single-runway airport on the planet.

My recent experience transiting BOM (domestic-domestic) was excellent, on AI . Due to delays caused by DEL fog, our connection was not 1.5hrs but under 1hr. They herded people into pens at the jetbridge and escorted us to multiple waiting buses right below, and dispatched us across tarmac to waiting planes, all of which departed on time.

They couldn't even finish one of the two arms of T2 because the slums couldn't be removed. I think it's impressive what GVK accomplished and what they continue to do operationally; I experienced all the operations at BOM T2 recently - arrival/immigration, departure/immigration, intl-domestic, domestic-domestic and domestic-intl transfers. All were smooth, and the general experience was on par with or better than Singapore T3 before and after it.

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Re: Civil Aviation Development & Discussion

Postby Mort Walker » 10 Jan 2018 02:26

Even the new Mumbai airport will have only 2 runways. What will happen in 15 years when India is a $10T economy? They should have gone ahead with 4 runways.

Having over a 1000 operations with one runway may sound like a badge of honor, but one mistake by a pilot or ATC could create a real mess.

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Re: Civil Aviation Development & Discussion

Postby Vips » 10 Jan 2018 03:54

Mumbai may well be the first city in India to have 3 airports. There is news report that an Airport will come up in Kalyan (erstwhile aerodrome) to cater to UDAN and Budget airlines.There is 2000 acre land parcel in the possession of defence/central government.

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Re: Civil Aviation Development & Discussion

Postby Raveen » 10 Jan 2018 04:03

Deleted
Last edited by Suraj on 10 Jan 2018 04:21, edited 1 time in total.
Reason: Don't be so ridiculous as to suggest arson and destruction of property as a 'solution'. Consider yourself informally warned.

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Re: Civil Aviation Development & Discussion

Postby deejay » 10 Jan 2018 09:25

Suraj wrote:I still don't see anything to 'confirm' anything. As far as the news goes, they're being quite proactive to get the civic works done whatever it takes. They could expand the amount of work per blasting during day, or add more rounds of blasting at night, after all. It's challenging for sure, but most big projects are. When DEL was built as fast as it was, it made peoples' jaws drop too.

It's unnecessarily hasty to go about claiming to 'confirm' anything the day an agreement is signed, especially when the party involved hasn't exactly been a poor actor with past efforts. Why such behavior "I can confirm it won't happen" right the day it's signed ? Doesn't the presumptuousness of such a claim not bother folks ? It's challenging but they're not being completely ridiculous.


Alright Suraj I get your point. Perhaps you did not see my apology earlier. And I did not say "I can confirm it won't happen." I said "I can confirm that even the date Vips is saying will be an aggressive target to meet."

The issue here is the regulatory clearances for an airport like GVK has to build. The installation of NAVAIDS, calibration, certification and audit of the airport to the standards it is required by ICAO (to which India is a signatory) is sequential and unless these are met operations cannot start at the airport.

To get to this, they will need CIDCO to finish the leveling and hand over the land, finish construction and then move onto the above. The terminal is surely doable. The runway and NAVAIDS will take some time. Unfortunately they are sequential and dependent functions. It is indeed extremely aggressive. Regulatory work is a pain. This will be the final bottleneck.

Delhi airport for CWG deadline had all forces align to meet deadlines. Hope it happens here. Will be good for all of us

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Re: Civil Aviation Development & Discussion

Postby Suraj » 10 Jan 2018 10:25

That's the kind of nuanced explanation that works far better than the early responses to the news article, thanks :)

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Re: Civil Aviation Development & Discussion

Postby Singha » 10 Jan 2018 12:59

I doubt more land can be found easily for a 3rd airport. if enough land is available at present, better to go in for 3 parallel runways atleast...with space for 1 more. all new mega airports worldwide seem to have 4. dubai has 2 but is building a bigger one.

not just land but investment in roads and rapid rail will be needed for 3rd airport...better to double down on the 2nd one and make sure its bigger than peking. peking has a nice 3 parallel runways permitting a constant flow of takeoffs and landings unimpeded by any crossovers. and leaves room for repairs on one runway while keeping 2 up...likewise even the much maligned BIAL will soon have 2 parallel runways widely separated by 2km permitting soothing parallel landings or 1 arr,1 dep kind of 24x7 workflow :twisted:

Peking big dragon airport.

Image

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Re: Civil Aviation Development & Discussion

Postby deejay » 10 Jan 2018 13:05

Vips wrote:Mumbai may well be the first city in India to have 3 airports. There is news report that an Airport will come up in Kalyan (erstwhile aerodrome) to cater to UDAN and Budget airlines.There is 2000 acre land parcel in the possession of defence/central government.


That land parcel has a radar unit and some AD set up.

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Re: Civil Aviation Development & Discussion

Postby deejay » 10 Jan 2018 13:07

Singha wrote:I doubt more land can be found easily for a 3rd airport. if enough land is available at present, better to go in for 3 parallel runways atleast...with space for 1 more. all new mega airports worldwide seem to have 4. dubai has 2 but is building a bigger one.

not just land but investment in roads and rapid rail will be needed for 3rd airport...better to double down on the 2nd one and make sure its bigger than peking. peking has a nice 3 parallel runways permitting a constant flow of takeoffs and landings unimpeded by any crossovers. and leaves room for repairs on one runway while keeping 2 up...likewise even the much maligned BIAL will soon have 2 parallel runways widely separated by 2km permitting soothing parallel landings or 1 arr,1 dep kind of 24x7 workflow :twisted:

Peking big dragon airport.

Image


That Peking Airport layout is excellent. Thank You Singha Ji.

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Re: Civil Aviation Development & Discussion

Postby Singha » 10 Jan 2018 13:08

new BIAL T2 runway and terminal areas on the bottom and right of pic below
https://www.bangaloreaviation.com/wp-co ... n-2040.jpg

MUM should punch at its considerable weight and set high goals

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Re: Civil Aviation Development & Discussion

Postby Karthik S » 10 Jan 2018 13:09

Will be interesting to see if the NMIA will have automated people mover system, no mention of it so far. Looks like IGA will be the first airport to have one in India.

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Re: Civil Aviation Development & Discussion

Postby Singha » 10 Jan 2018 13:12

a true beast - the new dubai al maktoum airport masterplan - 6 parallel runways. the residential areas on left look odd, who would want to live under 1000s of heavies coming 24x7

Image

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Re: Civil Aviation Development & Discussion

Postby Karthik S » 10 Jan 2018 13:26

Singha wrote:new BIAL T2 runway and terminal areas on the bottom and right of pic below
https://www.bangaloreaviation.com/wp-co ... n-2040.jpg

MUM should punch at its considerable weight and set high goals


Did you see the landscape around NMIA? It looks like it's surrounded by water canals/streams and marsh lands. Any further parallel runway and concourse would have to built over such area. IMO that's not necessary, if you add the present passenger capacity of BOM and planned capacity oof NMIA, it exceeds that of DXB.

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Re: Civil Aviation Development & Discussion

Postby Vips » 10 Jan 2018 19:30

deejay wrote:
Vips wrote:Mumbai may well be the first city in India to have 3 airports. There is news report that an Airport will come up in Kalyan (erstwhile aerodrome) to cater to UDAN and Budget airlines.There is 2000 acre land parcel in the possession of defence/central government.


That land parcel has a radar unit and some AD set up.


Yes it also has a a BARC unit and operational line of sight or aircraft descent issues, but inspite of that there were plans to remove the Air Force/ BARC unit and make it work.

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Re: Civil Aviation Development & Discussion

Postby Mort Walker » 11 Jan 2018 08:53

Singha wrote:a true beast - the new dubai al maktoum airport masterplan - 6 parallel runways. the residential areas on left look odd, who would want to live under 1000s of heavies coming 24x7

Image


Not good enough.
Add 4 more runways and access to railway lines. Copy it for the 10 busiest airports in India. Don't think of today or even 10 years from now, but 15 to 20 years from now.

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Re: Civil Aviation Development & Discussion

Postby Singha » 11 Jan 2018 11:04

Karthik S wrote:
Singha wrote:new BIAL T2 runway and terminal areas on the bottom and right of pic below
https://www.bangaloreaviation.com/wp-co ... n-2040.jpg

MUM should punch at its considerable weight and set high goals


Did you see the landscape around NMIA? It looks like it's surrounded by water canals/streams and marsh lands. Any further parallel runway and concourse would have to built over such area. IMO that's not necessary, if you add the present passenger capacity of BOM and planned capacity oof NMIA, it exceeds that of DXB.


but unless they put in a maglev speed system how do pax & baggage move quickly between the two to catch connecting flights?
unmanned "mule" trains might be useful to move connecting pax baggage

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Re: Civil Aviation Development & Discussion

Postby Karthik S » 11 Jan 2018 11:59

Well, they'd have to operate just like EWR and JFK. If necessary, connecting flights that have long layovers can be done without maglev once trans-harbor link is opened around similar timeline using airport shuttles.

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Re: Civil Aviation Development & Discussion

Postby Mort Walker » 11 Jan 2018 21:28

Karthik S wrote:Well, they'd have to operate just like EWR and JFK. If necessary, connecting flights that have long layovers can be done without maglev once trans-harbor link is opened around similar timeline using airport shuttles.


Back in the 1970s. There was a helicopter shuttle between LGA, EWR to JFK. It was standard for passengers traveling internationally and then domestic within the US on the same ticket.

It’s better to build out an airport when you have the chance. Still cheaper and more efficient than running some high speed train. India’s time has come.

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Re: Civil Aviation Development & Discussion

Postby Suraj » 11 Jan 2018 21:53

Please stop posting ‘omg! Why didn’t they plan to build something bigger than Beijing with 6 runways?? Fail!!’ Kind of posts . These posts are tiresome noise, and I’ve half a mind to delete them.

A far more meaningful post would be something like a technical analysis of the incremental capacity gain of adding one runway, or the relationship between number of runways and overall runway count and land requirement for other airport infrastructure, for example .

But please stop this reactionary mob incitement . It is not courteous forum behavior. Please resist the urge to step in and post the first emotional thought that comes to mind .

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Re: Civil Aviation Development & Discussion

Postby Singha » 11 Jan 2018 22:54

Thats the cost benefit bania mentality that neuters the
P15a to 32 barak8 while similar ships have 48 or 64

Web scale is the only scale that matters now

Go big or go home

Airports are gates to a country. Must impress and intimidate.
Mahismati gondor et al had huge gates even mordor though humans are only about six feet tall

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Re: Civil Aviation Development & Discussion

Postby Mort Walker » 12 Jan 2018 01:45

This thread catches a lot of stuff related to civil aviation, but isn't restricted to airport operations and air traffic infrastructure. At the same time this thread gets tied up with terminal amenities, QoS of airlines, and singing paeans about the number of single runway operations at BOM - which should instead alarm people as it is a safety issue. At DEL there is a safety issue with Rwy 11/29 with a huge Shivaji statue on one end that needs to be removed. An on going problem for the last 8 years. But no one wants to talk about safety since it isn't glamorous.

It's hard to tell what the direction of the thread is at any given time. A more meaningful discussion could be had, but no one would post.

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Re: Civil Aviation Development & Discussion

Postby Suraj » 12 Jan 2018 01:59

Mort, it's not good enough to point fingers elsewhere. You're among the biggest culprits at such posting in this thread and elsewhere (e.g. economy, GST threads). But you could do better, and should just post to the best of your knowledge rather than complain.

Please don't discuss this matter further here though, use the forum feedback thread for anything further. Otherwise, please focus on keeping this thread technically detailed.

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Re: Civil Aviation Development & Discussion

Postby Karthik S » 12 Jan 2018 09:32

Mort Walker wrote:This thread catches a lot of stuff related to civil aviation, but isn't restricted to airport operations and air traffic infrastructure. At the same time this thread gets tied up with terminal amenities, QoS of airlines, and singing paeans about the number of single runway operations at BOM - which should instead alarm people as it is a safety issue. At DEL there is a safety issue with Rwy 11/29 with a huge Shivaji statue on one end that needs to be removed. An on going problem for the last 8 years. But no one wants to talk about safety since it isn't glamorous.

It's hard to tell what the direction of the thread is at any given time. A more meaningful discussion could be had, but no one would post.


Are you talking about "Shiv ji" murti? If so, the runway's angle has been adjusted so that the murti and runway don't align in a straight line.

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Re: Civil Aviation Development & Discussion

Postby deejay » 12 Jan 2018 09:55

Mort Walker wrote:... At DEL there is a safety issue with Rwy 11/29 with a huge Shivaji statue on one end that needs to be removed. An on going problem for the last 8 years. But no one wants to talk about safety since it isn't glamorous.

...


The current R/W threshold has been moved forward by about a 1000 feet plus to keep safety paramount. The reduction in R/W length has not affected operations for any kind of aircraft since the usable runway is still more than 9000 feet.

The Shiva statue is not a pressing challenge to anything from Palam.

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Re: Civil Aviation Development & Discussion

Postby Mort Walker » 12 Jan 2018 12:38

DEL RWY 11/29 was suppose to have precision approach with ILS for use primarily with the A380 in foggy or bad weather conditions. The Shiva statue is an encroachment like all other tall structures near an airport which in principle should go through a construction obstruction clearance process.

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Re: Civil Aviation Development & Discussion

Postby deejay » 12 Jan 2018 12:46

Mort Walker wrote:DEL RWY 11/29 was suppose to have precision approach with ILS for use primarily with the A380 in foggy or bad weather conditions. The Shiva statue is an encroachment like all other tall structures near an airport which in principle should go through a construction obstruction clearance process.


To avoid getting into unconfirmed personal news kind of situation, I will quote this article though it could have been much more comprehensive on all developments:

http://www.mydigitalfc.com/my-world/shiva-statue-delhi-no-more-tall-order-dial

Shiva statue in Delhi no more a tall order for DIAL
By FC Bureau, Wednesday, 1 March 2017

Touch-down shifted a little away from Runway 29 start point


A 65-feet Shiva statue, close to the landing path of Delhi airport, remains an obstacle to smooth aircraft operation. GMR group-led private airport operator DIAL, however, has found a way to beat the difficulty -- it has shifted the touchdown some 1,460 metre away from the start point of runway 29.

Officials of Airports Authority of India (AAI), a government entity that has leased the Indira Gandhi International (IGI) Airport to DIAL, stated the Shiva statue does not pose any safety threat to aircraft landing. Industry sources, however, said religious sentiments are holding the plan to reduce the height of the statue.

“Jayashree Trust of the Birlas, which manages the complex housing the Shiva idol, has agreed to a DIAL proposal to reduce the additional height of the statue but it wants the engineering work to be done by the airport operator, citing its inexperience in construction. It is willing to bear the cost of reducing the height. But DIAL does not want to take it up due to religious beliefs,” a source said.

The height of the Shiva statue is almost 36-feet more than the length specified in the no-objection certificate (NOC) issued by AAI in November 1989. AAI has repeatedly taken up the issue with the Trust but its management has contested the claim that it breached the terms of the NOC. The statue came up in 1994, much before the runway 29 that was planned in 2006. “It is pertinent to mention here that on November 6, 1989, NOC for height clearance (252.154 metre) ASML (average mean sea level) was issued by AAI to Jayashree Charity Trust for erecting the Shiva statue.

“But the additional height of the Shiva Murty has restricted the aircraft operation of runway 29/11 to only 2,820 metre out of the available runway length of 4,280 metre,” then AAI chairman VP Agrawal had written to the Trust, seeking immediate action to resolve the issue.

As the statues is close to the landing path, the incoming aircrafts land almost 2 kilometre away from the runway start point. This forces pilots to use full brakes and use reverse thrust to slow down while landing. As full length is not available for landing, pilots have to be extra alert and cautious. In addition, during the foggy winters and during low visibility time, pilots prefer to land on the other runway (called 10-28) due to better RVR (runway visibility range).

This further reduces optimum utilisation of the runway (29) that has been constructed at huge cost. “The height of the Shiva statue is not an obstruction with displacement of threshold position. Pilots prefer to land on runway 28 during the winters as visibility is better on this compared to runway 29,” said a pilot of a private airline.

An AAI official said since runway is displaced, the statue is no longer an obstacle but the issue of unused runway remains (for incoming flights). Further, he said operationally there was no issue and even aircraft like A380 can land comfortably. Since the runway is very long even if the initial portion remains unused it does not affect operations, he said.

Meanwhile, DIAL is planning to build another runway (fourth one) at the airport as part of second phase of expansion at an estimated cost of Rs 16,000 crore. The Shiva statue would not affect the proposed runway.

Singha
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Re: Civil Aviation Development & Discussion

Postby Singha » 12 Jan 2018 19:07

https://www.google.co.in/maps/@28.55563 ... a=!3m1!1e3

this area of IGI seems to have a lot of abandoned and repoed planes?

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Re: Civil Aviation Development & Discussion

Postby Vips » 12 Jan 2018 19:52

With parallel runways, Navi Mumbai airport could see 80 flights every hour.

The proposed Navi Mumbai International Airport (NMIA), which will have parallel runways, is likely to handle up to 80 flights every hour once both runways become operational, according to senior officials of the City Industrial and Development Corporation (CIDCO). The congested Chhatrapati Shivaji International Airport (CSIA) currently handles 48 flights per hour on an average, which on some days goes up to a maximum 51 flights.

The GVK Power and Infrastructure Ltd (GVKPIL) signed the concession agreement with CIDCO on Monday for forming special purpose vehicle (SPV) Navi Mumbai International Airport Private Ltd (NMIAL) that will build the new airport. While GVK will have to finalise a masterplan for NMIA within 90 days of signing the agreement, CIDCO has prepared an initial masterplan.

Officials said the parallel runways and rapid exit taxiways would give NMIA the capacity to handle more flights. The runways will be 4,000-m long and accommodate both widebody and narrowbody aircraft.

“Each runway will have two double rapid exit taxiways. There will be many entry and exit points on the taxiways. This will ensure minimum waiting time for flights,” said a senior CIDCO official.

In the first phase, NMIAL will construct one runway and a terminal building by 2019. “As there is ample space, there could be at least 80 gates,” the official added.

Also, NMIA is set to be one of the few airports in the world, where aircraft are refuelled through underground pipes. “There would be no need for tankers to refuel jets,” the official said.

Officials said the runway on the southern tip of the site would be constructed first as it lies at the base of Ulwe hill. “The runway on the southern side is likely to be constructed first. While discussions with the families are through, their movement to the new area needs to begin. It will happen gradually,” said Mohan Ninawe, chief spokesperson, CIDCO.

“We can comment on the development of the airport after we have submitted the final masterplan to the government,” a GVK spokesperson said.

CIDCO expects to use 200 hectares around the airport for commercial purposes. For smooth traffic movement, NMIAL will construct two entrances and exits.

As many as 2,700 project-affected families from a total 3,000 families are still to be rehabilitated. The agreement requires CIDCO to complete the rehabilitation in the next six months.


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