Answer
DD Checks before flooding:
• All Departments in charge to confirm that repairs assigned under their departments are completed
successful with tests and surveys are carried out
• check rudder plug and vent and also check if anode are fitted back on rudder
• Check hull for proper coating of paint
• Check ICCP anodes are fitted in position and cover removed
• Check Anodes are fitted properly on hull and cover removed (if ICCP is not installed)
• Oil level in strn tube
• Designate duties to all staff
• Check all DB tank plugs are secured
• Check all sea inlets and sea chests gratings are fitted
• Check echo sounder and logs are fitted and covers removed
• Check of Propeller and rudder are clear from any obstruction
• Check if anchor and anchor chain is secured on board
• Check all external connection (shore water supply, shore power cables) are removed
• Check inside the ship all repaired overboard valve are in place
• Secure any moving item inside the ship
• If there is any load shift or change in stability, inform the dock master
• Go through the checklist ag ain and satisfactory checklist to be signed by Master
• Master to sign authority for Flood Certificate
DD Checks after flooding:
• Air purge from all systems
• Check for any leaks
• Check inside the ship all repaired overboard valve are in place
• Secure any moving item inside the ship
• Check sounding of all tank and match them with the value obtain prior entering the Dry doc
• Check stability and trim of the ship. Positive GM should be maintained at all time