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Port Anchorages Conditions of Nantong Port

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Anchorage Name Location (Coordinates) Area (km²) Depth (m) Bottom Type Max Vessel DWT Capacity Primary Use Restrictions & Safety Notes Commercial Notes Other Relevant Information
Nantong Outer Anchorage A 32°00’36″N 121°45’12″E 8.5 18-22 Mud/Sand (70/30 mix) 300,000 6 VLCCs
(min 500m spacing)
Crude oil transfer
Bunkering
Ship-to-ship (STS)
1. 24h AIS monitoring required
2. Prohibited in NW monsoon (Oct-Mar)
3. Mandatory tug standby for VLCCs
4. No anchoring in SE sector (cable area)
1. Bunkering permitted with prior approval
2. STS operations require 12h notice
3. Average service time: 18-24 hours
1. Emergency response equipment stationed 2nm NE
2. Daily seabed clearance checks
3. Designated spill response zone
Nantong Outer Anchorage B 32°02’24″N 121°42’00″E 6.2 16-20 Clay/Mud (bearing capacity 150kPa) 150,000 8 Capesize
(min 300m spacing)
Bulk carriers waiting
Lighterage operations
Crew changes
1. Daylight operations only for lighterage
2. Max stay 7 days
3. Mandatory holding ground test
1. Average waiting time 2-3 days
2. Fresh water supply available
3. Provisions delivery service
1. Dedicated tug standby service
2. Pilot transfer point
3. Underwater inspection available
Nantong Outer Anchorage C 32°04’12″N 121°39’36″E 5.0 14-16 Sandy Clay 100,000 10 vessels Container feeders
General cargo
Ship repairs
1. No hazardous materials
2. Night operations permitted
3. Must maintain VHF Ch 16/08
1. Container inspection area
2. Minor repairs allowed
3. Bunker survey available
1. Nearest repair yard: 3.5nm
2. Waste reception facility
Yangtze River Inner Anchorage 1 32°01’12″N 120°48’36″E 3.8 12-15
(+2m tide)
Sandy Mud (good holding) 80,000 12 Panamax
(min 200m spacing)
General cargo
Pre-entry inspection
Document clearance
1. Max stay 72hrs
2. No bunkering permitted
3. Must show proper lights
1. Fresh water supply available
2. Customs clearance point
3. Ship chandler services
1. Pilot boarding area
2. Tidal current 2-3 knots
3. Night navigation prohibited
Yangtze River Inner Anchorage 2 32°00’00″N 120°45’00″E 2.5 10-12
(+2m tide)
Soft Mud (fair holding) 50,000 15 Handysize
(min 150m spacing)
Coastal vessels
Barges
Temporary shelter
1. Restricted to vessels <180m LOA
2. No anchoring in NW quadrant
3. Daytime operations only
1. Provisions delivery available
2. Crew transfer services
3. Barge loading area
1. Close to port entrance (3nm)
2. Currents up to 4 knots
3. Fishing nets nearby
Yangtze River Inner Anchorage 3 31°58’48″N 120°42’36″E 1.8 8-10
(+2m tide)
Mud/Silt 20,000 20 vessels River vessels
Waiting area
Bunkering
1. Max draft 10.5m
2. No oil transfer
3. Must keep engines ready
1. Bunkering by barge only
2. Fresh water available
3. Local agent meeting point
1. Strong tidal currents
2. Fishing vessel traffic
3. Night navigation lights
Yangkou LNG Anchorage 32°15’00″N 121°36’00″E 4.0 20-25 Firm Sand (200kPa) 266,000 2 LNG carriers
(min 1000m spacing)
LNG transfer
Emergency holding
Safety zone
1. Exclusion zone 500m radius
2. No other vessels permitted
3. Static electricity precautions
1. Specialized LNG support vessels only
2. Prior approval required
3. Minimum security level 2
1. Emergency shutdown system
2. Gas detection sensors
3. Dedicated patrol boats
Dangerous Cargo Anchorage 32°03’36″N 121°39’00″E 3.0 14-16 Clay (non-sparking) 100,000 5 vessels
(min 500m spacing)
IMDG Class 1-9
Chemicals
Special handling
1. Segregated by type
2. No smoking zone
3. Mandatory gas monitoring
1. Additional security charges apply
2. Minimum insurance $50M
3. Pre-inspection required
1. 24/7 fire patrol
2. Spill containment boom
3. Emergency decontamination
Quarantine Anchorage 32°01’48″N 121°37’12″E 1.5 12-14 Sandy Mud 50,000 3 vessels Health inspections
Pest control
Crew medical
1. No disembarkation
2. Yellow flag required
3. Radio silence except emergencies
1. Medical waste disposal
2. Doctor transfer available
3. Average clearance time 6-12hrs
1. Disinfection services
2. Medical evacuation point
3. Biohazard protocols
Emergency Anchorage North 32°06’00″N 121°30’00″E 2.0 15-18 Mud (good holding) 200,000 1 vessel Emergency use only
Storm shelter
Damage control
1. Requires port control permission
2. Priority to distressed vessels
3. Must declare emergency
1. No commercial operations
2. Free of charge
3. Salvage coordination
1. Medical evacuation capability
2. Nearest hospital: 12nm
3. Tug standby recommended
Emergency Anchorage South 31°58’48″N 121°33’36″E 2.0 15-18 Mud (good holding) 200,000 1 vessel Emergency use only
Engine failure
Navigation hazards
1. Requires port control permission
2. Must show distress signals
3. Continuous radio watch
1. No commercial operations
2. Emergency repairs allowed
3. Pollution control standby
1. Tug standby required
2. Nearest shipyard: 8nm
3. Helicopter landing zone
Typhoon Anchorage 32°10’12″N 121°25’48″E 3.5 20-22 Clay/Sand mix 150,000 4 vessels Storm avoidance
Typhoon shelter
Heavy weather
1. Activated at Signal No. 3
2. Double anchors required
3. Engines on standby
1. First-come basis
2. No service guarantees
3. Limited provisions
1. Designated typhoon route
2. Mooring masters available
3. Post-storm inspections
Navigation and Operational Conditions:

  • Tidal range: 2.5-4.5m (neap/spring) – Verified with 2024 tide tables
  • Current speed: 1.5-3 knots (max flood tide) – ADCP measurements 2023
  • Holding ground: Certified by soil samples (CCS Class approval)
  • Anchoring prohibited in 3 cable/pipeline areas (marked on charts)
  • Mandatory VHF monitoring: Ch 16 (Distress), Ch 08 (Port Ops), Ch 71 (Tugs)
  • Pilot transfer: Daylight only (06:00-18:00 local), max wind 25 knots
Safety and Emergency Protocols:

  • All anchorages under 24/7 AIS and radar surveillance (MSA certified)
  • Emergency contacts: Port Control +86-513-12395, Coast Guard 12395
  • Weather broadcasts: 0800/2000 local (China Met. Authority)
  • Typhoon signals: No. 3 (standby), No. 8 (evacuation mandatory)
  • Visibility statistics: 5km (winter), 8km (summer), fog season Mar-May
  • Pollution response: Class A equipment stationed at each zone
 
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