Sometimes known as Lift-Away hatch covers.

Pontoon hatch cover meaning. 122 Positions The hatchways are classified according to their position as follows. Pontoons often carry cargo on top and have to be the load of seas in rough weather. Pontoon Hatch Covers - SMS SMESMS SME.

The weight of the cover and any cargo stowed on it is transferred to the ship structure by bearing pads. Pontoon or Slab hatch-cover. A weathertight cover is a cover designed to prevent the passage of water into the ship in any sea condition.

The panels will be slightly. Modern hatch cover designs of lift-away-covers are in many cases called pontoon covers. Hatches are opened with a spreader using the vessel cranes or container cranes on shore.

Available deck space for stowing the panels. Pontoon hatch Covers. Click to see full answer.

Definition in the dictionary English. As an alternative the covers can be moved to any position on the hatch. Pontoon hatch cover Example sentences with pontoon hatch cover translation memory While present-day container ships have holds that are completely open with heavy pontoon hatch covers the container ship arranged for continuous-flow horizontal transport will have a completely closed deck.

This means that each pontoon extending across the breadth of the hatchway has to be adequately strengthened for sea-going condition to prevent any sagging in the middle. The small vessels may have only one hatch cover fitting across the hatch while the larger ships may have twin triple or four panels across the width of the hatch opening. Type of operation opening and actuating mechanisms.