→ Checking of the satisfactory operation of all mechanically operated hatch covers should be made.

This includes-

.1 stowage and securing in open condition.

.2 proper fit and efficiency of sealing in closed condition; and

.3 operational testing of hydraulic and power components, wires, chains, and link drives.

→ The effectiveness of sealing arrangements of all hatches covers by hose testing or equivalent should be checked.