It al depends on whether the coal in question is inbound or outbound. loaded or unloaded from the dock or a jetty.

Your inquiry has too many questions that have to be answered here such as;

what about tides and thier effect on loading or unloading?

What size vessel?

Are they shallow draft or deep draft?

trans oceanic delivery or one ocean delivery?

will you be recieving goods inbound such as mining machinery at the same port?

Do you have a specific dedicated fleet owned by you for coal deliveries.

Do you load or unload railcars of coal?

What conveying equipment to do you have or do you need?

Are you conveyors fixed or mobile with telescoping loading chutes to fill the ships holds?

Do you use a reclaimer along the dock to stack/reclaim coal?

Are you intending to load/unload around the clock with a very large dedicated conveying system to a dock loading transfer conveyor to allow fast loading and egress?

Will rapid conveying interfere with the ships usable draft when filled and force it to push it self into the harbor floor and possibly rolling over from rapid un-even loading?

Ensiling any combustable material can and will lead to spontaneos combustion.

Hoow much fire suppression equipment is a vailable? do you currently have deluge guns portside?

What about any needed dredging if any for port entry and egress?

Will you or do you transload to/from barges

There are many coal terminal installations world wide and finding several will be easy to do.

The sister magazine published here by Herr Wolbier is your first step ask for a sample copy.

Ask coal age magazine to send you a sample copy of their publication to as they are a very good source of information as well.

We also have many engineers and consultants that are members of the forums as well.

lzaharis ■

For coal terminals with use of limited space

see http://www.eurosilo.com

Martin Wuerth

http://www.wuerthconsulting.ch ■

If the available area was represented in ISO units it would be helpful.

If you stockyard area is limited it might be prudent to convey the imports to a nearby expanse.

Silos are OK if you can totally evacuate them for the next customer. Combustion issues will be similar to the boiler feed bunkers in power stations etc. If you have a few hundred tonnes of Saath Efrican coal left in a silo and a ship comes in with Kalimanatan coal can you risk a mix? Not usually and so that silo footprint subtracts from the installed silage capacity.

Since you will be installing wagon loaders you probably have silos already planned. By all means increase the silo capacity but also make sure you have a nearby emergency open stockyard with a facility to return coal to the dockside on the bottom strand of the belt conveyor. Use that conveyor to dump and return remnant coal from the silos. That will give you time to consider possible/acceptable mixing for your customers. ■

I agree with louis on this subject,

Unless you can add more space somewhere you are going to have bulk carriers stacked like matches.

Is it possible to have jetty/island constructed nearby for immediate off loading?

lzaharis ■

With the potential of 10 million cubic yards of soft coal coming into the port yearly you could probably use a 48 inch capsule pipeline to deliver coal to the power stations to surpass the unloading as a capsule pipeline is more efficient than conveyors, trucks or rail.

The file I have attached will very informative for your use in my opinion and only my opinion.

lzaharis

Attachments

liu (PDF)

■

I think you should investigate:

-ship queuing dynamics, sizes, when available to berth, what ship fits what berth, timing

-ocean dynamics including tides, seasons, ship routes,

-weather dynamics over a yearly cycle, and available ships at sea

-berthing dynamics, go-no-go

-all demurrage penalties,

-stockyard type, size, stacking and reclaiming equipment, and arrangements,

-flow stream dynamics within the stockyard, ships, equipment, ...

-reliability, for their cost penalties

-equipment type and sizes, et al

Apply these points and many others to a good Monte Carlo model and create the answers to the points of interest you seek. ■

I also agree with Mr. Nordell as it is a case of the water glass is either half empty or half full with a lot of work involving a decision tree other wise know as the ben franklin close.

lzaharis ■

Does this mean that the entire import will be consumed and stored within the urban area? That is what you state!

Do you therefore anticipate problems with planning permissions? Surely there will be some problems storing the ash within the city limits. There will be ash from the power stations supplied within the city limits.

If the city is fully developed then why does it need a coal import terminal of this size?

Coal has now become part of cargo.

I feel there are some shortcomings in your quoted post and would recommend a reappraisal of the facility in the interests of the quality of life for the citizenry.

Otherwise your development will be all at sea. ■

please send me your e-mail as I will be more able to show you how the capsule pipeline works.

lzaharis@lightlink.com ■

In 1972 a 96 km overland was built to transport phosphate from mine to port in the Spanish Sahara. So why not a 200 km overland today?

CDI participated in a feasibility study, many years ago, to transport coal 143 km by belt conveyor and compared its cost with South African rail. The belt conveyor was substantially lower in capital and operating cost, did not have issues of partioning or sterilizing grazing land, could handle subsidence better than rail, was not dangerous to cattle, .....

So why not a 200km conveyor today? The rail will be more expensive by a large margin. ■

Originally Posted by S.M. Umarye

we are setting up a coal terminal in our port. we have limited stackyard area of about 1 lakh sq, mts. and huge demand.is silo design aworkable solution. If it is, then to what extent the terminal capacity will increase. Any port has adopted this techonology.

Dear Mr Umarye

I think the lack of expandable storage will eventually make your capital investment in silo a truoble. Also Coal is not meant for Silos

Silos usec free flowing material like grain etc

Since coal comes in variousd grades you will be severely restrained in providing silosd

However I can provide you with floating storage solutions at a fraction of your cost.

Mind you you have distinct advantages and adaptibility in this mode

Please revert if we can take this discussion forward

Best Regards

Capt Vivek

CEO

VEGA ENTERPRISES

983319656

enterprisevega@gmail.com ■

Dear Mr Umarye

Will need to see your total project and understand your requirements to offer you a tailor made solution

I wonder if your issue is evacuation of coal or not as more effective evacuation in hinterland would reduce your storage requirements which in terms of coal is an environmental issue

I would prefer to have your full details so that in 2010 , we can meet and discuss the matter

Best Regards

Capt Vivek ■