Some cargo contamination issues and the failure of holds by surveyors stem from insufficient hold and hatch cover maintenance. It is recommended that regular inspections and preventative maintenance of cargo holds and hatch covers be carried out as part of a documented planned maintenance system, ideally following the discharge of each cargo. The periodic inspections should be carried out by a responsible officer, ideally the Chief Officer, and cover all structures, surfaces and fixtures and fittings within the holds. The scope of the hold inspection should include underdeck framing, pipework and guards, access ladders and supporting framework, manhole covers, bilges as well as bulkheads, stools, side framing and tanktops. Similarly, hatchcovers, coamings and associated fixtures and fittings should be periodically inspected and repaired as necessary to maintain weathertightness. [sic]

Source: West of England P&I Club
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Emphasis added by Coltraco Ultrasonics.