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

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

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LIST OF FIGURES<br />

Figure no: Title Page no:<br />

Figure 1.1 Simplified arrangement <strong>of</strong> a traditional <strong>hatch</strong> 4<br />

Figure 1.2 Arrangement <strong>of</strong> an early Mege folding steel <strong>hatch</strong> <strong>cover</strong> 8<br />

Figure 2.1 <strong>Single</strong> Pull Hatch Cover 11<br />

Figure 2.2 Side Rolling 12<br />

Figure 2.3 Folding and Multi –<strong>type</strong> 13<br />

Figure 2.4 Lift Away 14<br />

Figure 2.5 Piggy Back 15<br />

Figure 2.6 Stacking Covers 16<br />

Figure 2.7 Reefers Hatch Cover 17<br />

Figure 2.8 Spring Loaded Cover 18<br />

Figure 3.1 Deck Opening with Coaming 26<br />

Figure 3.2 Beam is treated as a Uniformly Loaded simply<br />

Supported Structure 27<br />

Figure 3.3 Detailed Analysis <strong>of</strong> the Structure <strong>of</strong> a 20,000 tdw<br />

bulk carrier 32<br />

Figure 3.4 Hydrostatic Pressure 33<br />

Figure 3.5 Torsional Distortion <strong>of</strong> Hatch Ways 34<br />

Figure 4.1 Hatch Panel 40<br />

Figure 4.2 Vessels in Rough Weather 43<br />

Figure 4.3 Check the Lock-Back Mechanism 44<br />

Figure 4.4 Do Not Use Damaged or Unsecured ladders 44<br />

Figure 4.5 Never Smoke in a Hold 45<br />

Figure 4.6 Never Climbs On Top Of Bulk Cargo Without A Lifeline. 45<br />

Figure 4.7 Never Carry Tools or Equipments While Descending or 46<br />

Ascending a Ladder<br />

Figure 4.8 Never stand on the coaming top when the <strong>hatch</strong> <strong>cover</strong>s are open 46<br />

Figure 4.9 Always wear protective headgear when working. 47<br />

Figure 4.10 Inspect wire 47<br />

Figure 4.11 Always takes precautions when fumigating. 48<br />

ix

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