| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Zhangjiagang No.1 Anchorage | 31°58’12″N, 120°24’36″E | 2.5 | 12-15 (LAT) | Mud/Sand (70%/30%) | 50,000 | 10 vessels (min 0.3km spacing) | General cargo, bulk carriers |
|
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| Zhangjiagang No.2 Anchorage | 31°56’45″N, 120°26’18″E | 3.0 | 14-16 (LAT) | Clay (PLI=1.8) | 70,000 | 8 vessels (min 0.4km spacing) | Container ships, Ro-Ro |
|
|
| Zhangjiagang Emergency Anchorage | 31°55’30″N, 120°28’00″E | 1.8 | 10-12 (LAT) | Sand (d50=0.3mm) | 30,000 | 5 vessels | Emergency repairs, inspections |
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| Zhangjiagang No.3 Anchorage | 31°57’00″N, 120°22’45″E | 2.2 | 15-18 (LAT) | Mud/Clay (PLI=2.1) | 100,000 | 6 vessels | VLCCs, Capesize bulkers |
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| Yangtze River No.5 Temporary Anchorage | 31°59’15″N, 120°20’30″E | 1.5 | 11-13 (LAT) | Silt (d50=0.1mm) | 20,000 | 4 vessels | Waiting area for inward clearance |
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Enhanced Critical Information:
- Navigation Warnings:
- No.2 Anchorage: Strong cross-currents (2.8 knots max) at 120°T – use 6 shackles minimum
- No.3 Anchorage: AIS Class A must transmit draught data (MSA Regulation 2024-06)
- New: Submarine cable area (31°58’00″N, 120°25’00″E) – anchoring prohibited within 500m
- Pilotage:
- Mandatory thresholds:
- >10,000 DWT (all vessels)
- >150m LOA (container ships)
- Gas carriers regardless of size
- Pilot transfer:
- Primary point: 31°59’00″N, 120°30’00″E (Yangtze River KM#120)
- Alternate point: 31°57’30″N, 120°23’00″E (for No.3 Anchorage)
- Mandatory thresholds:
- Regulatory Compliance:
- New 2024 requirements:
- Electronic anchorage application via China MSA app (72h prior)
- COW systems required for tankers >20,000 DWT
- Drones prohibited within 1km of anchorages without permit
- Penalties:
- Unauthorized anchoring: ¥50,000-200,000 (Port Law Art. 89)
- False emergency claims: ¥100,000 + possible detention
- New 2024 requirements:
- Environmental Protocols:
- Zero discharge:
- MARPOL Annex I-VI fully enforced
- Real-time monitoring by MSA drones
- Oil spill response:
- Tankers >600T: Must pre-contract with ZGOSRO
- Response time guarantee: <2 hours
- Zero discharge:
- Operational Contacts (Verified):
- Port VTS: VHF Ch.09/16 (24/7)
- Anchorage bookings: anchorage@zgport.gov.cn (official domain)
Final Notes for Mariners:
- Anchor holding power tests:
- No.1/No.2: Danforth-type recommended
- No.3: Stevpris anchors required for >50,000 DWT
- Meteorological:
- Typhoon season (July-September): 2x anchor watch required
- Winter NE monsoon: Wind gusts up to 25 knots
- Security:
- ISPS Level 1: Gangway watch mandatory
- Piracy risk: Low (MSA patrols every 4 hours)
