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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Table 2.2 Summarizes the most important characteristics <strong>of</strong> each major <strong>type</strong><br />
NNo Cover <strong>type</strong> Usual<br />
ship<br />
<strong>type</strong>s<br />
Decks<br />
applicable<br />
Approxima<br />
te %<strong>of</strong><br />
<strong>cover</strong>s<br />
fitted to<br />
recent new<br />
ships<br />
Guide to<br />
minimum<br />
coaming<br />
height<br />
1 <strong>Single</strong> <strong>pull</strong> (D) Weather 41 Depends<br />
on<br />
section<br />
lengths<br />
but more<br />
than(A)<br />
2 Hydraulic (D) Weather/Tween 25 (A),(B)<br />
folding<br />
3 Wireoperated<br />
folding<br />
4 Direct <strong>pull</strong> All ships<br />
with<br />
cargo<br />
5<br />
Roll<br />
stowing<br />
6 Side and<br />
end rolling<br />
or(C)<br />
(D) Weather/Tween 10 (A),(B)<br />
or(C)<br />
gear<br />
Drive<br />
system<br />
Electric,<br />
hydraulic<br />
or ship’s<br />
cargo<br />
gear<br />
10<br />
Cleating<br />
system<br />
(E)<br />
Hydraulic (E)<br />
Weather 3 (A) Or(B) Ship<br />
crane or<br />
derrick<br />
(D) Weather 2 Depends<br />
on drum<br />
diameter<br />
but<br />
usually<br />
more<br />
than (A)<br />
All, but<br />
mainly<br />
large<br />
bulkers<br />
and<br />
OBOs<br />
7 Lift and roll All, but<br />
mainly<br />
8 Tweendeck<br />
sliding<br />
9 Pontoon<br />
(F)<br />
bunkers<br />
Multideck<br />
cargo<br />
ships<br />
Containe<br />
r ships,<br />
Multideck<br />
cargo<br />
ships<br />
or(B)<br />
Winch Screw or<br />
quickacting<br />
Electric or<br />
hydraulic<br />
Weather 4 (A) or (B) Electric or<br />
hydraulic<br />
Weather 2 (A) or (B) Electric or<br />
hydraulic<br />
Tween and Car<br />
decks<br />
Automatic<br />
(E)<br />
(E)<br />
(E)<br />
2 (C ) Electric Token<br />
Weather/Tween 11 (A), (B) or<br />
(C)<br />
Source: Cargo Access Equipment for Merchant Ships.<br />
Ship or<br />
shore<br />
crane<br />
(E)