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Watertaxi3-1st Project Presentation-BUET

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  • 1. BANGLADESH UNIVERSITY OF ENGINEERING & TECHNOLOGY NAME 338 SHIP DESIGN PROJECT & PRESENTATION-1 DATE-26 AUG,2010
  • 2. DESIGN OF WATER TAXI
    • Project Supervisor
    • Khabirul Haque Chowdhury
    • Professor
    • Department of NAME, BUET.
    • Presented by
    • Hasib Ul Haque (0712014)
    • Ahmad Shibli Saleheen (0712018)
  • 3. Our first presentation on this project includes :
    • Principal particulars
    • Preliminary lightweight, deadweight and displacement
    • Preliminary GA
    • Preliminary lines plan
    • Preliminary hydrostatic calculation
  • 4. Owner’s Requirement
    • Ship type: Water Taxi
    • Capacity: 95 Passenger
    • Speed: 14 knots
    • Route: Sadarghat-Ashulia (29.5km)
  • 5. OBJECTIVES
      • To take advantage of Dhaka city’s circular waterway
    • To ease the water way communication with comfortable service
    • To reduce the pressure on land transport.
    • To safe people from horrible traffic jam
    • To establish a modern transport system which is more safe, affordable, technologically dependable, environment friendly, and acceptable to all citizens of the country
  • 6. Inland Water Transport Network by Category Class Indicated Draft Length in Km. Classification criteria I 3.6 meter 683 at least 3.6 m required to maintain round the year. II 2.1 meter 1000 major inland ports or place of economic importance to class I routes. III 1.5 meter 1885 seasonal in nature IV <1.5 meter 2400 in dry season no navigability Total 5968
  • 7. Circular Waterways around Dhaka
    • Total Length-110 km.
    • Already Completed:
    • Sadarghat to Ashulia (30 km);
    • Dredging: 17.44 lakh m 3 .
    • To be Completed:
    • Ashulia to Kanchpur (40 km);
    • Dredging: 34.73 lakh m 3 .
    Sadarghat Ashulia Kanchpur
  • 8. GENERAL PARTICULARS 25.79 m WATER TAXI
    • Classification Society: GL
    • Type: Small passenger vessel
  • 9. Information of basis ship MV TURAG & MV BURIGANGA
    • LOA 11.85m
    • LBP 11.7m
    • B 3.50m
    • D 1.40m
    • T 0.65m
    • Displacement 17.7 T
    • L/B 3.34
    • B/T 5.38
    • D/T 2.15
    • C b 0.60
  • 10. DETERMINATION OF PRINCIPAL PARTICULARS
    •   ASSUMPTION :
    • LOA/LBP = 1.05
    • LBP/B = 3.87
    • B/T = 4.20
    • D/T = 1.73
    • C b = 0.6
    • C d = 0.35
  • 11. LBP 25.79/LBP =1.05 = 24.4 m Breadth (B) 24.4/B= 3.87 = 6.30 m Draft (T) 6.30/T = 4.20 = 1.5 m Depth (D) D/1.5= 1.73 = 2.6 m
  • 12. PRINCIPAL PARTICULARS
    • Length Overall 25.79meter
    • LBP 24.4 meter
    • Breadth (moulded) 6.3 meter
    • Depth 2.6 meter
    • Max. Draught(moulded) 1.5 meter
    • (at full load)
  • 13. DISPLACEMENT ESTIMATION
    • DEADWEIGHT (DWT) CALCULATION :
    No of Person on board: No of passenger = 95 No of crew = 4 Total = 99 Weight Allowance per person: Weight per person = 75 kg Fresh water per person = 1 liter Luggage = 5 kg Total = 81kg Fuel needed per voyage : 500 liter Store + Allowance : 1000 kg Total Weight : (95*81) + (500*.80) + 1000 = 32.495 tonnes Cargo: (95*5)=0.475 tonnes Allowance : 10 tonnes Deadweight : Total weight + Cargo+Allowance = (32.495+.475+10)=42.97tonnes
  • 14. DISPLACEMENT ESTIMATION
    • LIGHT WEIGHT & DISPLACEMENT CALCULATION
    • Deadweight Coefficient : 0.35(Assuming)
    • Displacement :
    • Lightship :
    ∆ = DWT / C D = (42.97 / 0.35) tonnes = 122.77 tonnes. Light Weight = ∆ - DWT = ( 122.77 – 42.97) tonnes = 79.8 tonnes
  • 15. LINES PLAN
  • 16. BODY PLAN
  • 17. HALF BREADTH PLAN
  • 18. PROFILE PLAN
  • 19. GENARAL ARANGEMENT DRAWING
  • 20. MAIN DECK
  • 21. SPACE ALLOCATION
    • Passenger Compartment(1 st class)=7.885 m long
    • Passenger Compartment(2 nd class)=4m long
    • Canteen = 5.197m long
    • Toilet = (1.757m × 2 no.)
    • Navigation Room = 2.117m long
    • Crews’ Rest Room = 2.250m×1.684m
  • 22. HULL FORM
  • 23. Hydrostatic Particulars
    • Water Plane Area
    • Displacement
    • KB
    • BM L
    • MCT 1m
    • BM T
    • Block Coefficient, C b
    • Midship section Coefficient, C m
    • Prismatic Coefficient, C p
    • Water plane Coefficient, C w
    • Position of Center of flotation from amidship
    • Longitudinal Position of Center of buoyancy
  • 24. Formula used in hydrostatic calculation
    • Water plane Area :
    • In our lines plane we take total 11 Station. Multiplying the half ordinate of each station with the multipliers used in simpson’s first rule we find total product for area. Then,
    • Water plane area = 2 X h L /3 X total Product for area
    • Displacement :
    • In our lines plane we take total 4 water lines. After finding different water plane area
    • we use 5,8,-1 rule, simpson,s first rule & simpson’s second rule to find volume up to different water line. As our ship is an Inland waterways ship so Displacement is equals to volume.
    • Volume up to water line 1 = 1/12 X h v X Total Product for volume (By using 5,8,-1 rule).
    • Volume up to water line 2 = 1/3 X h v X Total Product for volume
    • (Using Simpson’s First rule).
    • Volume up to water line 3 = 3/8 X h v X Total Product for volume
    • (Using Simpson’s Second rule).
    • Volume up to water line 4 = 1/3 X h v X Total Product for volume
  • 25. Formula Used in Hydrostatic Calculation: Positions of Center of Buoyancy above keel ( KB ) : KB = Moment of Volume Displacement above base / Volume up to corresponding waterline Positions of Longitudinal Metacenter (BM L ) : BM L = Moment of Inertia about center of flotation ( I L ) / Displacement of volume Moment to Change trim 1m ( MCT 1m ) : MCT 1m = (I L X Displacement in ton ) / (L BP X Displacement in volume) Positions of Transverse Metacenter (BM T ) : BM T = Transverse Moment of Inertia / Moment of Volume.
  • 26. Formula Used in Hydrostatic Calculation: Block Coefficient (C B ): C B = Displacement in Volume / (L BP X B X draught at corresponding water plane.) Midship Area Coefficient (C m ) : C m = Midship Section Area / (B X draught at corresponding water plane.) Prismatic Coefficient (C p ) : C p = C B / C m Water plane Coefficient (C w ) : C w = Water plane Area / (B X L at corresponding water plane.)
  • 27. OFFSET TABLE Station WL-1 WL-2 WL-3 WL-4 0 2.282 0.5 0.134 1.759 2.474 1 0.061 0.958 2.256 2.628 1.5 0.585 1.941 2.494 2.771 2 1.443 2.312 2.686 2.865 3 2.209 2.722 2.909 3.016 4 2.571 2.922 3.077 3.127 5 2.644 3.034 3.142 3.150 6 2.024 2.696 2.992 3.132 7 0.946 2.039 2.606 2.889 8 0.503 1.149 1.817 2.289 8.5 0.338 0.760 1.243 1.783 9 0.188 0.436 0.771 1.188 9.5 0.063 0.178 0.341 0.621 10 0.025
  • 28. Hydrostatic Parameter
  • 29. Form Coefficient
  • 30. HYDROSTATIC CURVE Displacement
  • 31. HYDROSTATIC CURVE
  • 32. Hydrostatic Curve
  • 33. Hydrostatic Curve
  • 34. Hydrostatic Curve
  • 35. Hydrostatic Curve
  • 36. Class & Regulations followed
    • Classification
    • According to GL Rules & Guidance 2006
    • Regulations
    • SOLAS
    • Inland Shipping Ordinance (Passenger),2001.
    • Inland Shipping Ordinanace (Freeboard),2001
    • IMO stability Guideline
    • The Inland Shipping Ordinance,1976.
    • Maritimes Regulations of Bangladesh.
  • 37. Thank You