CHAPTER 5 THE DISCHARGE PORT

5.0 The discharge port
5.1 The discharge plan
5.1.1 Charterer's instructions vs. receiver's instructions
5.1.2 Trim, list, and bulkhead stresses
5.1.3 Discharge plan details
5.1.4 Heated cargo program
5.2 The crude oil washing programme
5.2.1 Charterer's instructions
5.2.2 COW for shipyard
5.3 Segregated ballast plan
5.4 Pre-arrival preparations
5.4.1 Official notifications
5.4.2 Arrival cargo preparations
5.4.3 Pumproom preparations
5.4.4 Other preparations
5.5 Heated cargo preparations
5.6 Anchoring and lightering; mooring at SPM's
5.6.1 Anchoring
5.6.2 Anchor watch
5.6.3 Lightering by barge
5.6.4 Mooring at SPM's
5.7 Ship-to-ship lightering
5.7.1 OCIMF guidelines
5.7.2 Before operations commence
5.7.3 Before approach and mooring
5.7.4 Before cargo transfer
5.7.5 Before un-mooring
5.7.6 Basic precautions
5.8 Navigation watch under pilotage
5.8.1 Panama canal
5.8.2 Master's instructions to the pilot
5.8.3 Watch Officer duties
5.9 Mooring the ship
5.9.1 Emergency release
5.9.2 Anchor and gangway
5.10 Clearing the ship
5.10.1 Health clearance
5.10.2 Customs and immigration clearance
5.11 Gauging and sampling tanks
5.11.1 Cargo temperature
5.11.2 Gauging tanks
5.11.3 Cargo calculation
5.11.4 Cargo sampling
5.11.5 In-line composite sampler
5.11.6 Free water measurement and letters of protest
5.12 Connecting cargo hoses
5.12.1 Inspection
5.12.2 Shore bonding wire
5.12.3 Connection hoses/arms
5.13 Inspections and checklists to prepare for cargo transfer
5.13.1 Inspection checklist
5.13.2 Declaration of inspection
5.14 The pre-transfer conference or key meeting
5.14.1 Information to be obtained
5.14.2 Information to be provided to the terminal
5.14.3 Revised discharging plan
5.14.4 Notice of readiness
5.15 Ship-terminal communications while discharging
5.15.1 Ship-to-terminal communications
5.15.2 Terminal-to-ship communications
5.15.3 Communications procedure
5.16 Pressure/vacuum valves and IGS pressure
5.16.1 PV valve setting
5.16.2 Inert gas system
5.16.3 IGS tank block valves
5.17 Lining up the ship's discharge system
5.17.1 Valve setting program
5.17.2 Valve setting procedure
5.17.3 Valves and valve position indicators
5.17.4 Independent check
5.17.5 Pumproom check
5.18 Setting the deck watch
5.18.1 Duties of the pumpman
5.19 Starting the discharge
5.19.1 Starting communications
5.19.2 Starting cargo pumps
5.19.3 Starting against shore back-pressure
5.19.4 Shore line displacements
5.19.5 Stripping tank water bottoms
5.19.6 Maximum discharge pressures and rates
5.19.7 Discharging to floating-roof tanks
5.19.8 High vapour-pressure cargo
5.20 Changing tanks ashore
5.21 Changing tanks on the ship
5.22 Discharging multiple grades
5.22.1 Two valve separation
5.22.2 Draining lines between grades
5.22.3 Heated cargo precautions
5.23 Sampling cargo discharge
5.24 Pumproom inspections
5.24.1 Pumproom ventilation
5.24.2 Checking sea valves
5.24.3 Logbook entries
5.25 Routine inspections while discharging
5.25.1 Tending moorings lines and gangway
5.25.2 Hoses and loading arms
5.25.3 Gangway watch
5.25.4 Discharge line joints and connections
5.25.5 Safety inspections
5.25.6 Garbage and other discharges
5.25.7 Engine room manning
5.25.8 Theft
5.26 Centrifugal and deepwell pump characteristics
5.26.1 Centrifugal pumps
5.26.2 Deepwell pumps
5.26.3 Screw pumps
5.26.4 Priming the pumps
5.27 Crude oil washing operations
5.27.1 COW training
5.27.2 COW procedures
5.27.3 COW checklists
5.27.4 Sludge and sediment control
5.27.5 Electrostatic hazards
5.27.6 COW problems
5.27.7 Charter party considerations
5.27.8 Unable to crude oil wash
5.28 Stripping cargo
5.28.1 Types of stripping systems
5.28.2 Stripping pumps
5.28.3 High-pour point cargo
5.28.4 Stripping high vapour pressure cargoes
5.28.5 Accumulation tank
5.28.6 Shore back-pressure
5.28.7 Other stripping considerations
5.28.8 Stripping deepwell pumps
5.29 Re-inspection of empty tanks
5.30 Multiple cargo discharge sequences
5.30.1 Changing tanks
5.30.2 Draining lines between grades
5.30.3 Changing shore connections
5.31 Stripping pipelines
5.32 Maintaining the tank atmosphere
5.33 Finishing cargo
5.34 Tank inspection and the dry certificate
5.35 ROB and off-test cargo
5.35.1 ROB cargo
5.35.2 ROB use as fuel
5.35.3 Off-test cargo
5.36 Impending cargo problems
5.36.1 Logbook entries and records
5.36.2 Notification of the P&l club
5.37 Slop tanks
5.37.1 Closed cycle COW operations
5.38 Cargo outturn
5.38.1 ROB measurement
5.38.2 Vessel experience factor
5.38.3 Shore tank figures and shortages
5.39 Cargo samples
5.39.1 Cargo contamination
5.40 Preparations for ballasting
5.40.1 Ballast lines in cargo tanks - precautions
5.41 Overflows and spills
5.41.1 Notice of berth contamination
5.42 Bunkering operations
5.42.1 Bunkering while discharging cargo
5.42.2 Bunkering precautions
5.42.3 Sampling before bunkering
5.42.4 Sampling and testing after bunkering
5.42.5 Slops and ROB as bunkers
5.42.6 Bunker notes
5.43 Taking fresh water
5.43.1 Non-potable water
5.44 Multiple port or dock discharges
5.44.1 Single grade cargo
5.44.2 Multi-grade cargoes
5.44.3 In-port movements