Back ground of Angola client
The client is from a comprehensive enterprise in Angola which is active in the field of Generators, accessories, automobiles, lubricants, tires, zinc plates, electrical appliances and others, etc.
This project is a new plant in Angola for the manufacturing of zinc sheets. With their new sector of manufacturing corrugated zinc sheet they are able to tailor the products to suit your roofing needs. They are able to offer customized orders and variable types,sizes and widths.
Initial inquiry on 2nd Aug. 2020
Message:
Dear Sir/Madam ,
I am interested in a
Gantry Crane with the below specifications -
12 meters length
06 meters Lifting height
45-50 tons Lifting capacity
To be used outdoors.
I will like you to send me a quotation on the NMG Series
Double Girder Gantry Crane.
Kind regards,
Nabil
Confirmation on crane capacity: 35 ton, 38 ton, 45 ton or 50 ton?
Dear Nabil,
Thanks for your below inquiry. This is Dora from Dongqi Group Yuantai Crane.
Attached please see our product catalogue.
Based on the information you provided, we have designed the gantry crane of 50ton as attached.
When you say 45-50ton capacity, we need to consider the maximum so the design is based on 50 ton capacity.
If the majority of weight to be handled is smaller than 50ton, please let us know so we can revise the design (for big gantry crane like this, capacity will reflect on the price.).
Besides, the power supply is 380volts 50hz 3phase, please correct me if this is wrong.
Quotation wise, do you prefer to include sea freight in the offer? If so, please let me know the destination port name.
Expect to hear from you soon, thanks!
Dear Dora,
I hope my email finds you well.
I replied to your email yesterday . Did you receive?
Average weight to be handled is 35 to 38 tons.
Power supply is correct 380volts 50hz 3phase
Destination port - Luanda ,Angola.
I forgot to include the travel distance for the crane in previous enquiry ,its 50 meters.
Hope to hear from you soon.
Kind regards,
Nabil Kafel
Confirmation on crane span: 12 meters or 11meters?
Dear Nabil,
Thanks for your reply.
It may work better if you could tell me your budget so we can see if there's possibility to reach an agreement.
few points from my side:
1.For capacity if the heaviest load is 38ton and average is 35-38ton, it's possible to make it 40t or 45t depending on the frequency of lifting on daily basis. If the crane is to lift very few 38t, 40t should work.If it is to lift mostly 40t, 45t capacity is better.
2.for span, is it possible to make the span (from rail centre to rail center) smaller than 12m, maybe 11m?This is because for 12m span,the main girders need extra steel plates and high-strength bolts because the main girders will be disconnected to fit in 40ft container.
Please share your comments about both capacity and span, as well as your budget. Meanwhile, I will try to apply the best discount for your order.Thanks.
Cranes specification confirmed: 35 ton, 11m
Dear Dora,
l hope my email finds you wel1.Thank you for your advice.
l did some contacts and found out that 35 tons will be ok for our project,the maximum load will be 30 tons.Regarding the length 11 meters will also be fine.
Kindly send me a quote on the above.
Kind regards,
Nabil Kafe1
Quick info on crane specification confirmation:
The lifting capacity is determized by two factors : 1) the weight range of the frequently hoisted material; 2) the weight of the heaviest material
For the span of 12m, it can be suggested to reduce the span to save the cost of cutting beam and freight.
Confirmation on travelling length & travelling speed
Thinking for your future needs
Dear Nabil,
lt was good speaking to your brother yesterday over the phone.
l have reached out to my clients in South Africa regarding the installation service.will update you once l receive quote from them.
For the 10t overhead crane, please see attached CIF quotation and revised design drawing (crane travelling speed increased to 40mDo you have any future plans to add another crane since the travelling distance is as long as 100m?
lf so, please let me know,so l can take it into consideration for both rails and bus bar.
The current rail and bus bar are suitable for one crane only.
Hope you could give enough thought to our offer, and l hope to hear from you soon, thanks!
Regards,
Dora
Sales Manger
Summary:
Provided 2 solutions:One is LD type single girder overhead crane with cd/md wire rope hoist and HD type single girder overhead crane with European style rope hoist. The Angola customers prefer the latter;
As the travelling length is 100m, the travelling speed should be discussed. For the standard speed of the cart is 20m/min, it would take longer time due to long travelling length, and it is suggested to speed up to 32m/min;
As for crane rail and crane busbar, it is necessary to take your future need into consideration for it involves with the type / model selection of the busbar. As for the 35 ton overhead crane for Angola project, there is no need to install another bridge crane in the future.
Quotation to the Angola 35 ton gantry cranes & 10 ton overhead cranes
Hello Nabil,
I'm delighted to hear from your brother that you've gained the greenlight from government for the land license.
As promised, I am sending you the updated offer as attached, they are:
quotation of 35ton 11m span 8m lifting height European-spec double girder gantry crane to be used outdoors
design drawing of 35ton gantry crane
quotation of 10ton 20m span 6m lifting height European-spec single girder overhead crane to be used indoors
design drawing of no.3
quotation of 10ton 20m span 6m lifting height traditional type single girder overhead crane (LD model)
design drawing of no.5
No.5 and 6 are for comparison of a difference model of single girder overhead crane which is more economical.
For 35t gantry crane, I have provided both options of 50m and 75m travelling distance. Hope it is clear for you.
Wining order
Dear Dora ,
Thank you very much for your email , we appreciate your time and effort put into this deal.
We have discussed me and my brothers and we have decided to go ahead with the purchase from you.
Further to your discussion with Hussein yesterday I will copy my brother Amin in Angola and he will contact you to discuss terms of payment and required documents.
I hope this will be a good beginning between our companies.
Kind regards,
Nabil Kafel
35 Ton Gantry Crane & 10 Ton Overhead Crane For Sale Angola