House the subject innovation is disposed in close contact with the deck downward to seal a portion of the manhole, provided the block formed with a drain hole is formed at one side, so is the upper side that is not in close contact with the deck, the lower fluid is projected upwardly from being introduced into the manhole wall arranged publication, there is installed connected to one side of the house arranged publication, installed in the partition wall which is disposed in close contact with the upper deck so as to surround the rest of the manhole portion that is not sealed by a house arranged publishing house arranged publication, the home arranged published in close contact with the deck, a clamping unit for fixing to the arrangement, is provided connected to the drain hole, the fluid flowing through the drain hole and provides a vessel for a manhole drainage device comprising a discharge hose to guide ships to be discharged to the outside.
Such, for ship manhole drainage is securely fixed to a house and then installed to be pressure fitted into the clamp to the deck downward to arrange published to seal a portion of the manhole, in close contact with the upper deck so as to surround the partition wall portion opening and the remaining manhole substate do. Thus, the fluid and debris on the deck, with the box through the manhole block is introduced into the vessel flowing into a collector arranged for publishing fluid and debris is able to be discharged to the outside of the ship through the drain hole and the drainage tubing.