- Last discharge 100% C.O.W. (preferably last 3 discharges).
- Take on wash water to slop tanks and water wash all tanks and inert gas purge and gas free all tanks.
- Any additional ballast required in cargo tanks prior drydock.
- Decant slops.
- At anchor off drydock, disch slop residue to slop barge, then give rinse from the sea to the bottom of slop tank and discharge washings to barge.
- De-muck tanks
- Ballast spaces hose down and gas freed.
- Derrick and cranes down (to counteract roll)
- Eliminate free surface
- Adequate stability check (adequate GM to counteract the rise in ‘G’ due to ‘P’ force)
- Consultation of draft and trim (on advice of the drydock manager)
- Sound round all tanks
- Security lock-up spaces
- Lock-up toilets
- Rig fenders
- dock plan and shell expansion plans for shore positions
- Obtain facilities:- water, power, bonding, access and garbage disposal
- Sound round on the blocks
- Prepare a repair list (to allow cost/time estimates. Allows officer to monitor and protect owners interest
- Brief the ships Chief Officer of the need to obtain ‘wet soundings’ as well as ‘on the block’ ‘dry soundings’
- Withdraw any engine room bottom speed logs into the stow position.
