Deck structure maintenance Common maintenance items
Local plate replacement: replace deck steel plates exceeding code allowable limits due to severe corrosion or damage. structural reinforcement: repair welding stiffeners or sheathing panels in areas with insufficient strength (such as under the base of heavy equipment and corners of hatches). crack repair: discovered fatigue cracks are sanded, grooved, re-welded, and structural details are improved to reduce stress concentrations. dent correction: for local deformation caused by collision or falling of heavy objects, pyrotechnical correction or cold working repair. anti-slip treatment: repair or re-lay deck anti-slip coating, anti-slip sand and anti-slip strips. maintenance of ancillary facilities: repair or replace mooring equipment (fairleads, cable piles) bases, railings, ladders, watertight doors, etc.
