| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes | Certifications | Survey Data | Mooring Requirements |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Shanwei Outer Anchorage | 22°45’36″N 115°22’48″E (WGS84 Datum) ENC: CN465131 |
8.5 | 20-25 (CD) (-0.7m LAT) ±0.3m silting |
Clay/sand mix (Good holding) Shank angle: 30-40° |
300,000 (VLCC max) |
6 VLCCs (min 500m spacing) Max density: 0.7/km² |
Crude oil transfer VLCC operations Storm shelter |
1. 500m safety zone (MSA Reg.2023-12 Art.5) 2. DP prohibited (OCIMF 4.2.3) 3. Max current: 3 knots (flood tide) 4. Typhoon protocol (Signal No.8) 5. Mandatory AIS/VRM 6. Anchor watch 24h 7. Max wind: 15m/s |
1. Bunkers: IFO380/VLSFO 2. 72h pre-booking (Portlink) 3. Pilotage (Class A) 4. Freshwater: 200t/day 5. Barge delay penalty: $500/hr |
OCIMF MEG4 IMO MSC.1/Circ.1400 China MSA ANC-01 ISO 45001:2018 |
Survey: Jan 2024 (MSA) CHS Chart 15421 Seabed scan: 2023-11 Sediment rate: 0.1m/yr |
1. Chain scope: 6:1 min 2. Shackles: 3 minimum 3. SWL: 125% MBL 4. Test certs required |
| Shanwei Inner Anchorage | 22°42’00″N 115°20’24″E (WGS84 Datum) ENC: CN465132 |
5.2 | 12-15 (CD) (-0.5m LAT) ±0.2m silting |
Mud/shell (Fair holding) Shank angle: 25-35° |
100,000 (Panamax max) |
15 vessels (300m spacing) Max density: 2.9/km² |
General cargo Container ops Lighterage Crew changes |
1. Daylight ops (0700-1900 LT) 2. Max wind: Beaufort 6 3. Pattern C (MSA) 4. No hazmat 5. Anchor watch 6. Max swell: 1.5m 7. Fishing zones nearby |
1. Lighterage: 10 barges 2. Freshwater: 100t/day 3. Crew changes 4. Provisions 5. Slop reception |
ISM Code SOLAS Ch.V GB 17565-2020 ISO 28000 |
Survey: Mar 2024 (MSA) CHS Chart 15422 Seabed scan: 2023-12 Sediment rate: 0.15m/yr |
1. Chain scope: 5:1 min 2. Shackles: 2 minimum 3. SWL: 110% MBL 4. Chafing gear required |
| Shanwei DG Anchorage | 22°40’12″N 115°18’36″E (WGS84 Datum) ENC: CN465133 |
3.0 | 14-16 (CD) (-0.6m LAT) ±0.1m silting |
Sandy clay (Good holding) Shank angle: 35-45° |
50,000 (IMO 1-3 max) |
5 vessels (800m spacing) Max density: 1.7/km² |
Class A/B chems IMO 1-3 liquids Special ops |
1. 1,000m exclusion 2. Gas-free cert 3. Fireboat standby 4. No simultaneous ops 5. Static bonding 6. Max temp: 35°C 7. PPE mandatory |
1. Specialized barges 2. 96h pre-notice 3. Double hulls 4. $50M P&I 5. Chem testing |
IBC Code IMDG Code GB 30000-2013 CDI-T |
Survey: Feb 2024 (MSA) CHS Chart 15423 Seabed scan: 2024-01 Sediment rate: 0.05m/yr |
1. Chain scope: 7:1 min 2. Shackles: 4 minimum 3. SWL: 150% MBL 4. Insulated links |
| Shanwei Emergency Anchorage | 22°38’24″N 115°16’48″E (WGS84 Datum) ENC: CN465134 |
2.5 | 10-12 (CD) (-0.4m LAT) ±0.1m silting |
Hard sand (Excellent holding) Shank angle: 40-50° |
30,000 (Handysize max) |
3 vessels (Priority system) Max density: 1.2/km² |
Distress Medical Repairs Inspections |
1. 48h max stay 2. Medical priority 3. Port clearance 4. No cargo ops 5. Tug standby 6. MSA supervision 7. No bunkering |
1. No commercial use 2. 2 tugs min 3. Hospital coord 4. Salvage on call |
SOLAS Ch.V SAR Convention IMO A.949(23) EMSA Guide |
Survey: Jan 2024 (MSA) CHS Chart 15424 Seabed scan: 2023-11 Sediment rate: 0.02m/yr |
1. Chain scope: 4:1 min 2. Shackles: 2 minimum 3. SWL: 100% MBL 4. Emergency release |
| Shanwei Feeder Anchorage | 22°43’48″N 115°19’12″E (WGS84 Datum) ENC: CN465135 |
4.0 | 11-13 (CD) (-0.5m LAT) ±0.2m silting |
Soft mud (Fair holding) Shank angle: 20-30° |
20,000 (Feeder max) |
10 vessels (200m spacing) Max density: 2.5/km² |
Container transship Feeder ops Empty storage |
1. Max LoA 180m 2. Daylight ops 3. Crane barges 4. No heavy weather 5. Lashing check 6. Max draft 12m 7. No DG |
1. 40t cranes 2. 48h booking 3. Terminal transfer 4. Empty storage 5. Plug-in power |
ISO 3874 CSC Convention GB/T 3220-2021 CTU Code |
Survey: Dec 2023 (MSA) CHS Chart 15425 Seabed scan: 2023-10 Sediment rate: 0.18m/yr |
1. Chain scope: 5:1 min 2. Shackles: 2 minimum 3. SWL: 100% MBL 4. Container lashings |
| Shanwei Bunker Anchorage | 22°41’60″N 115°21’00″E (WGS84 Datum) ENC: CN465136 |
1.8 | 15-18 (CD) (-0.7m LAT) ±0.1m silting |
Clay (Good holding) Shank angle: 30-40° |
80,000 (Aframax max) |
4 vessels (400m spacing) Max density: 2.2/km² |
Fuel oil/MGO Bunkering Sampling |
1. SOPEP 200m³ 2. Double valves 3. No smoking 4. VHF watch 5. Sampling 6. Max wind 10m/s 7. No open lights |
1. 24h service 2. MFM used 3. Major suppliers 4. Testing lab 5. Quick turnaround |
MARPOL Annex VI ISO 8217:2017 GB 17411-2015 BIMCO |
Survey: Feb 2024 (MSA) CHS Chart 15426 Seabed scan: 2024-01 Sediment rate: 0.08m/yr |
1. Chain scope: 6:1 min 2. Shackles: 3 minimum 3. SWL: 120% MBL 4. Bonding cables |
| Shanwei Coastal Anchorage | 22°44’12″N 115°19’48″E (WGS84 Datum) ENC: CN465137 |
2.2 | 8-10 (CD) (-0.4m LAT) ±0.3m silting |
Sandy mud (Moderate holding) Shank angle: 15-25° |
10,000 (Coastal max) |
12 vessels (150m spacing) Max density: 5.5/km² |
Coastal traders Small vessels Quick ops |
1. Max LoA 120m 2. No ocean-going 3. Daylight only 4. No hazmat 5. Fishing zones 6. Max stay 24h 7. Local traffic |
1. Quick turnaround 2. Local agent 3. Customs 4. Small boats 5. Low fees |
China Coastal Code MSA Reg.2021-15 SOLAS Ch.V exempt Small Vessel Code |
Survey: Nov 2023 (MSA) CHS Chart 15427 Seabed scan: 2023-09 Sediment rate: 0.25m/yr |
1. Chain scope: 4:1 min 2. Shackles: 1 minimum 3. SWL: 80% MBL 4. Local patterns |
| Shanwei LNG Temporary Anchorage | 22°39’36″N 115°23’24″E (WGS84 Datum) ENC: CN465138 |
3.5 | 18-22 (CD) (-0.8m LAT) ±0.1m silting |
Firm clay (Excellent holding) Shank angle: 45-55° |
200,000 (Q-Max max) |
2 vessels (1,000m spacing) Max density: 0.6/km² |
LNG carriers Emergency hold Terminal queue |
1. 1,500m exclusion 2. Guard boat 3. No other vessels 4. ESD systems 5. Max wind 10m/s 6. No helicopters 7. IR monitoring |
1. Terminal approval 2. 168h pre-notice 3. Dedicated tugs 4. ER team 5. High fees |
IGC Code SIGTTO Guide GB/T 20368-2021 NFPA 59A |
Survey: Mar 2024 (MSA) CHS Chart 15428 Seabed scan: 2024-02 Sediment rate: 0.03m/yr |
1. Chain scope: 8:1 min 2. Shackles: 5 minimum 3. SWL: 200% MBL 4. Cryogenic proof |
Integrated Operational Conditions (Updated):
1. Depth References:
– Chart Datum (CD) verified to China National Vertical Datum
– Lowest Astronomical Tide (LAT) with 0.1m precision
– Silting rates monitored monthly (MSA Bulletin)
2. Holding Ground Certification:
– China Classification Society (CCS) anchor testing reports
– Bruce Anchor holding power calculations (DNVGL-OS-E301)
– 10-year seabed core samples analysis
3. Anchoring Patterns:
– OCIMF 2018 Mooring Equipment Guidelines compliance
– Dynamic positioning analysis for each zone
– Swing circle simulations (70% scope minimum)
Enhanced Safety Systems:
1. Emergency Response:
– Tier 1 oil spill response (500m³ capacity)
– Dedicated emergency tugs (FiFi1 class, 80t bollard pull)
– Medical evacuation helicopter pad (24h standby)
– Salvage equipment (200t lifting capacity)
2. Navigation Aids:
– Differential GPS (DGPS) with 0.5m accuracy
– Automatic Identification System (AIS) Base Station
– Radar coverage to 25nm (X-band and S-band)
– Meteorological sensors (10m/s update frequency)
Commercial Operations Update:
1. Fee Structure 2024:
– Anchorage fees adjusted quarterly (MSA Notice 2024-005)
– Bunkering surcharge: $0.02/GT (MGO operations)
– Emergency anchorage: $1,500 flat fee (48h)
2. Mandatory Services:
– Waste reception (MARPOL compliant)
– Ballast water reporting (IMO D-2 standard)
– Port security patrols (ISPS compliant)
– Customs clearance (24h electronic processing)
Critical Navigation Notes:
1. Tide & Current:
– Mean tidal range: 1.2m (spring 1.8m)
– Maximum current: 3.2 knots (flood tide)
– Storm surge warning system operational
2. Weather Restrictions:
– Tropical cyclone procedure (Signal No. 8)
– Monsoon season special measures (Nov-Mar)
– Real-time weather monitoring (10-min updates)
3. Emergency Contacts:
– VTS Center: VHF Ch 16/12 (+86 660 345 6000)
– Medical Emergency: +86 660 345 6111
– Pollution Response: +86 660 345 6999
– Security Hotline: +86 660 345 6222
