Single pull macgregor type hatch cover.pdf - Cochin University of ...
Single pull macgregor type hatch cover.pdf - Cochin University of ...
Single pull macgregor type hatch cover.pdf - Cochin University of ...
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Other steel <strong>hatch</strong> <strong>cover</strong> secured weather<br />
tight with gaskets and clamping devices<br />
1) With maximum span <strong>of</strong> 1.5m. thickness increased<br />
proportionately for large spans.<br />
2)Maximum stress to be less than<br />
(minimum ultimate strength <strong>of</strong> steel)/(load factor)<br />
3)The strength and stiffness <strong>of</strong> <strong>cover</strong>s<br />
made <strong>of</strong> materials other than mild steel must<br />
be equivalent to those <strong>of</strong> mild steel to the satisfaction<br />
<strong>of</strong> administration<br />
3.3.1.2 Cleats<br />
mild steel<br />
Source: Cargo Access Equipment for Merchant Ships.<br />
load factor<br />
maximum<br />
deflection<br />
minimum<br />
29<br />
platethickness<br />
assumed load<br />
load factor<br />
maximum<br />
deflection<br />
minimum plate<br />
thickness<br />
The 1966 LLC requires that satisfactory means for securing weather tightness be<br />
provided, and gives requirements for <strong>cover</strong>s secured by tarpaulins and battens. For<br />
gasket <strong>cover</strong>s, details are usually agreed between the <strong>hatch</strong> <strong>cover</strong> designer and<br />
classification society.
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