Marine engineering, ship design

« Floating machines


Gravel production with bucket-ladder
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Name of floating machine:IGRICI 150 t/h bucket-ladder dredger
Floating machine category:Dredges
Type of purpose:Gravel production with bucket-ladder

Project's details:

Project name:Dredger stability calculation of IGRICI 150 t/h bucket-ladder dredger and partial filling the dredger's side pontoons with foam material, technical documentation

Applied rules/registers:

A belvízi utakon közlekedő úszólétesítmények hajózásra alkalmassága és megfelelősége feltételeiről, az úszóképesség vizsgálatáról és tanúsításáról szóló 13/2001. (IV.10.) KöViM rendelet. 

Main features:

Length overall with dredger and lifted dredging ladder, Lbef [m]97,84
Maximum length, Lmax1 [m]94,34
Maximum conveyor length, Lmax3 [3]75,84
Maximum breadth, Bmax [m]14,62
Pontoon breadth, B [m]14,62
Waterline breadth, Bcw1 [m]14,62
Depth, D [m]1,066
Freeboard, f [m]0,45
Airdraft from baseline, Hfix [m]9,75
Lightship of floating machine with bucket-ladder dredger, delta 0 [t]102,5
Maximum displacement with bucket-ladder dredger, delta maxv [t]122,6
Maximum displacement (with gravel piling), delta max [t]53,9
Lightship of floating belt conveyor [t]47,5
Maximum pontoon draugth, Th [m]0,602
Dredging, conveying mass flow [t/h]150
Crew, n1 [fő]2

Ship engineer tasks:

Technical description 
Drawings 
Detail calculations according to 13/2001. / II. / 17. regulation 
Calculation of hydrostatics 
Weight and stability calculation 
Subdivision and damage stability calculations 
Strength analysis