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Nairaland Forum / Nairaland / General / Properties / Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary (435 Views)
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Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 9:31am On Aug 26, 2021 |
Hi Guys, We recently got a request from a client to Design, Fabricate and Load test a Cargo Carrying unit (or container in local parlance) to satisfy the following requirements: 1. To be able to carry 8 oil drums(barrels) in its cargo hold for transfer from dock to vessel and vice versa (The primary requirement) 2. To be able to carry equipment / facilities of specified dimensions not exceeding 7MT (metric tons) 3. To be able to be lifted both by crane and forklift of rated capacities 4. To have a front openable cargo doors for ease of loading/unloading of cargo. Container is to be designed to DNV 2.7-1 and ISO 10855 specifications (two separate documents were later prepared to satisfy these two requirements Spyder880 deepwater Asquare84 n3xt 2 Likes |
Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 9:35am On Aug 26, 2021 |
DIMENSIONS AND RATINGS External Dimensions Length(Overall) : 2,951 (± 5) mm Width(Overall) : 1,674 (± 5) mm Height(Overall) : 1,425 (± 5) mm Internal Dimension Length : 2,694 (± 5) mm Width : 1,344 (± 5) mm Height : 1,094 (± 5) mm Forklift Pocket Width (internal dimension) : 234 mm Height (internal dimension) : 134 mm Center Distance : 1,000 mm Inside Cubic Capacity Capacity : 3.961m3 Ratings Estimated Tare Weight (CB Only) (T) (From Bill of Materials Information) : 1441 Kgs Tare Weight (CB Only) (Tw) Estimated Rigging and Fastening gear Weight) (R) : 75 Kgs Maximum Payload (P) : 7,000 Kgs Maximum Gross Weight (P+Tw+R) : 8,516 Kgs |
Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 9:46am On Aug 26, 2021 |
Structural Design: The conceptual design was analysed using Structural analysis Software (STAADPro) Two scenarios were considered as per specification requirements: 1. When container is lifted with maximum load with all manner of loading conditions and scenarios applied during a worst case offshore operation 2. When Container is lifted with forklift with similar loading scenarios as in (1) This is done to properly size the steel sections and plates to assure a proper balance of weight and strength
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Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 9:54am On Aug 26, 2021 |
After analysis, the detail design was prepared and MTO Generated for material purchase
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Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 10:00am On Aug 26, 2021 |
Fabrication starts! cutting and setting of steel members as per cutting list generated from detail design:
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Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 10:09am On Aug 26, 2021 |
Fit up and tack welding in progress
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Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 10:51am On Aug 26, 2021 |
moving to the permanent site...
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Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 1:21pm On Aug 26, 2021 |
almost getting there...
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Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 1:22pm On Aug 26, 2021 |
Time for NDT (Ultrasonic Testing was used at JCI yard portharcourt)
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Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 2:42pm On Aug 26, 2021 |
Coating time! Application of primer Application of marine based paint as per spec.
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Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 4:15pm On Aug 26, 2021 |
Load Testing of Cargo Basket Load testing was done at JCI yard Load test value was 2.5x (SWL of basket+ Basket weight)
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Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 4:19pm On Aug 26, 2021 |
Proudly Nigerian!
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Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by deepwater(f): 4:38pm On Aug 26, 2021 |
Good work Is this Class certified ? ABS / BV etc etc ? |
Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 9:19am On Aug 27, 2021 |
deepwater: It is an honour ma'am. It was initially proposed to be designed and certified in accordance to DNV 2.7-1(as a matter of fact, it was due to initial client requirements ) It was later revised to be designed and load-tested in accordance to BS EN ISO 10855 We also design and fabricate transportation/ lifting skids, Spreader bars/Frames, Work platforms , Waste skips etc in accordance to world class industry standards with respect to design and Fabrication/ construction We can perform design checks for the aforementioned including pressure vessels and piping We also perform scaffolding design and checks for onshore and offshore operations 1 Like |
Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 9:31am On Aug 27, 2021 |
Example of scaffolding design check for Total AMP2 platform
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Re: Design And Construction Of 7MT Cargo Carrying Unit To DNV 2.7-1 Spec. Diary by Epzilon: 12:47pm On Sep 01, 2021 |
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