Single pull macgregor type hatch cover.pdf - Cochin University of ...

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2.4 LIFT AWAY 2.4.1 Description Figure 2.4 Lift away type covers Source: - Walter Vervloesem - IMCS Lift-away hatch covers for use on the weather deck are divided into two categories as follows: . SINGLE-PANEL COVERS: MULTI-PANEL COVERS: single-opening abreast with longitudinal joints . multi-opening abreast with transverse joints . Single-Panel types comprise one cover for each opening i.e. there are no joints. They are normally specified for bulk carriers in the case of single opening abreast, and for cellular containerships in the case of multi-opening abreast configurations. Multi-Panel covers comprise several separate panels for each hatch opening. They are used for cellular containerships in the case of longitudinal joints, and for multipurpose cargo ships and heavy cargo tonnage in the case of transversal joints 14
2.5 PIGGY BACK 2.5.1 Description Figure 2.5 Piggy type Source: - Walter Vervloesem - IMCS Lift and roll covers are a development of rolling covers and example is illustrated in fig. Each covers consists of two panels, one of which has powered wheels. In the way of the ‘dumb’ panel, four hydraulic rams which act vertically upwards are fitted with the coaming. These engage in lugs on the side of the panel to lift it high enough above the coaming for the motorized panel to roll underneath. The dumb panel is then lowered onto the motorized panel so that both can be moved together. The side coaming can be extended so that the two panels can be stowed beyond the hatch end. Alternatively these covers can be side rolling, stowing abreast the hatchway. There is in the theory no limit to the size of these covers composed of two 100-tonne panels for 26m by 23m hatch ways have been supplied for forest product carriers. 15
Page 1 and 2: SINGLE PULL MACGREGOR TYPE HATCH CO
Page 3 and 4: ACKNOWLEDGEMENT First of all we hel
Page 5 and 6: TABLE OF CONTENTS v Page no. CERTIF
Page 7 and 8: 5.1.4 Hatch Covers Design. 58 5.1.5
Page 9 and 10: LIST OF FIGURES Figure no: Title Pa
Page 11 and 12: Figure7.10 Bulwark 84 Figure7.11 Bu
Page 13 and 14: CHAPTER 1 - INTRODUCTION The classi
Page 15 and 16: leakage can cause cargo damage and,
Page 17 and 18: All types of wooden hatch were made
Page 19 and 20: The first horizontal rolling built
Page 21 and 22: CHAPTER 2 - TYPES OF HATCH COVERS M
Page 23 and 24: 2.1 SINGLE PULL 2.1.1 Description F
Page 25: 2.3 FOLDING & MULTI-TYPE 2.3.1 Desc
Page 29 and 30: 2.7 REEFERS HATCH COVERS Figure 2.7
Page 31 and 32: CHAPTER 3 - GENERAL REQUIREMENTS 3.
Page 33 and 34: secured by tarpaulins and battening
Page 35 and 36: force by the 1967 Merchant shipping
Page 37 and 38: 3.2.2 Cover Stowage Where a designe
Page 39 and 40: It is also necessary to provide dra
Page 41 and 42: Other steel hatch cover secured wea
Page 43 and 44: Table 3.4 Access equipment strength
Page 45 and 46: Longitudinal deformation of the top
Page 47 and 48: (vii) It should retain all the abov
Page 49 and 50: easier to handle without power assi
Page 51 and 52: � Keep wheels, cleats, hinge pins
Page 53 and 54: 4.2.2 Drive Chains; Check their Len
Page 55 and 56: Figure 4.2 Vessel in rough weather
Page 57 and 58: Figure 4.5 Never smoke in a hold. S
Page 59 and 60: Figure 4.9 Always wear protective h
Page 61 and 62: e taken when opening hatch covers e
Page 63 and 64: Remember to carry out a chalk test
Page 65 and 66: 4.6.13 Painting Corrosion occurs ma
Page 67 and 68: 11. Coaming. 12. Sheave. 13. Cross
Page 69 and 70: Breadth: 44.5cm 5.1.3 Hatch Coaming
Page 71 and 72: Slope: 1cm Total number of panels:
Page 73 and 74: Height of jack while normal conditi
Page 75 and 76: Pulley for rope Diameter: 2cm Width
Page 77 and 78:
Height from the deck: 7.2cm Height
Page 79 and 80:
CHAPTER 6 - FABRICATION The design
Page 81 and 82:
6.3 HATCH COAMING FABRICATION Broug
Page 83 and 84:
Using wood cutter length of 320 cm
Page 85 and 86:
Plastic wheels (16 pieces), metalli
Page 87 and 88:
At the top of the iron plate, rail
Page 89 and 90:
Figure 6.12: Crane space Source: Te
Page 91 and 92:
CHAPTER 7-ASSEMBLY OF FABRICATED PA
Page 93 and 94:
Source: Team 7.3 ASSEMBLY OF SIDE D
Page 95 and 96:
7.6 ASSEMBLY OF HATCH COVER All the
Page 97 and 98:
The whole bulwark is placed over th
Page 99 and 100:
Through the middle top eye bolt rop
Page 101 and 102:
The test involves placing (with hat
Page 103 and 104:
CHAPTER 9 - CONCLUSION Right from t
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