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Container size; Hatch cover clearance; Visibility; The stowage plan shows cross sections of the ship bay by bay, to indicate where all the containers should be loaded. The plans change with each port of call as container are discharged or re-stowed and new containers are taken on board. [3] [14]
Butterworth hatches are not the main access hatches, but are the servicing hatches, and are generally closed with a metal cover plate with a gasket that is fastened to the deck by a number of bolts which stick up from the deck. Holes on the edges of the plate fit over these bolts and the cover is fastened down with nuts or dogs.
Beam – A measure of the width of the ship. There are two types: Beam, Overall (BOA), commonly referred to simply as Beam – The overall width of the ship measured at the widest point of the nominal waterline.
The open hatch bulk carrier, often referred to as OHBC or conbulker, is designed to offer direct access to the hold through cargo hatches which extend the full width of the vessel. As a result, large cargo units can be lowered into place. If it is possible, the holds or hatches are designed around standard cargo unit sizes.
The ship was originally built in 1979 for U.S. Steel [2] and was named for their former chairman and chief executive officer, Edwin H. Gott. . The ship was originally built with two 16-cylinder Enterprise DMRV-16-4 diesel engines which powered twin propellers and was rated at 19,500 brake horsepower (14,500 kW). [4]
[8]: 10 [9] The most common chart size was early established as the "Double-elephant", about 39 X 25.5 inches, and this has continued to be the case. [10] Chart design gradually simplified over the years, with less detail on land, focusing on features visible to the mariner. Contours were increasingly used for hills instead of hatching.
ISO standard 668 hence defines the exact lengths of all standard container sizes on purpose in such a way that shorter containers, joined with the also standard sized twistlocks, can always form longer, combined units of an exact length, identical to that of longer containers, or other combinations, such that the corner castings will always ...
The large M/D Center Section (1) covers most of the hatch to protect it from the meteoroid/debris environment. It has several straps and openings, depending on installed location. Most covers have a flap (2) over the hatch window, as seen here during STS-120. The flap is restrained by "hook and loop" closure, held with a snap.
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