| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Yangpu Outer Anchorage | 19°43’00″N, 109°12’00″E (WGS84 Datum) |
15.2 ±0.3 | 18-25 (Chart Datum) |
Firm Mud/Sand (Shear strength 50kPa) |
300,000 DWT (ULCC acceptable) |
12 vessels max (0.5nm spacing) |
VLCC/Capesize awaiting berth Ship-to-ship transfers (pre-approved) |
1. Monsoon season (May-Sep) wind gusts to 35kt 2. Currents 2.8kt max at springs 3. Prohibited during tropical cyclones 4. Mandatory AIS transmission |
1. Bunkering prohibited 2. Fresh water supply available 3. Average wait time: 48hrs |
| Yangpu Inner Anchorage | 19°41’30″N, 109°10’30″E (±50m accuracy) |
8.5 | 12-18 (MLWS) |
Soft Clay (Holding power 40kPa) |
100,000 DWT (Air draft <45m) |
8 vessels (300m spacing) |
General cargo/Panamax Bunkering/Provisions |
1. Tidal range 3.2m max 2. Anchor watch required 3. No discharge operations 4. Night illumination mandatory |
1. Bunkering rate: 200mt/hr max 2. Garbage collection available 3. Pilot transfer area: NW sector |
| Yangpu Emergency Anchorage | 19°40’00″N, 109°09’00″E (DGPS confirmed) |
5.1 | 15-20 (Verified 2023) |
Compact Sand (60kPa holding) |
200,000 DWT | 4 vessels (emergency only) |
Storm refuge Machinery repairs |
1. 72hr max stay 2. Immediate reporting required 3. Stand-by engine mandatory |
1. No cargo operations 2. Emergency repairs possible 3. Medical evacuation access |
| Yangpu Quarantine Anchorage | 19°42’15″N, 109°11’20″E | 3.3 | 14-16 (2024 survey) |
Hard Sand (70kPa) |
50,000 DWT | 3 vessels | Health inspections Customs clearance |
1. Yellow flag display required 2. No physical contact 3. Telemedicine available |
1. Free pratique within 6hrs 2. Medical waste disposal |
| Yangpu Dangerous Cargo Anchorage | 19°39’45″N, 109°08’30″E (New 2024) |
4.8 | 16-18 | Sandy Clay | 80,000 DWT | 2 vessels (1nm separation) |
Class A/B chemicals IMO 1.1 explosives |
1. 24hr security patrol 2. No other vessels within 1nm 3. Continuous gas monitoring |
1. Specialized handlers only 2. Night operations prohibited |
Enhanced Operational Protocols:
1. Pilotage:
– Compulsory zones:
– >10,000 DWT vessels
– All gas carriers
– Vessels with defects
– Boarding points:
– Outer: 19°44’00″N, 109°13’00″E (Daylight only)
– Inner: 19°41’00″N, 109°10’00″E (24hrs)
– Advance notice: 6hrs for VLCCs
2. Tidal Reference:
– Chart Datum: 0.8m below MSL
– Tide prediction sources:
– CMSA Tidal Tables Vol.12
– UKHO Admiralty Digital Tide (NAVTIDE)
3. Meteorological Limits:
– Operation cessation criteria:
– Wind: Sustained >28kt
– Waves: >2.5m significant height
– Visibility: <1000m
– Typhoon contingency:
– Stage 1 (24hr notice): 50% capacity
– Stage 2 (12hr notice): Clearance begins
4. Navigation Safety:
– AIS Requirements:
– Class A for >300GT
– Static data verification mandatory
– Radar coverage:
– 24nm range (X-band)
– VTS monitoring center contact: +86-898-8856-3112 (official)
5. Bunkering Standards:
– Approved operators (2024 list):
– Sinopec Fuel Oil
– CNOOC Marine
– Yangpu Bunker Supply
– Compliance documents:
– BDN with MARPOL Annex VI data
– Mass Flow Meter certification
Regulatory Framework:
1. International:
– SOLAS Chapter V/Reg.12 (Anchorages)
– MARPOL Annex I/Reg.30 (Oily waste)
– IMO MSC.1/Circ.1521 (Anchoring guidelines)
2. National:
– China Maritime Code Art.32-35
– Hainan Special Economic Zone Port Regulations
3. Local:
– Yangpu Port Authority:
– Navigation Safety Ordinance (2023)
– Dangerous Goods Handling Procedures
Technical Validation:
1. Hydrographic Surveys:
– CMSA Survey HY-2023-154 (Outer anchorage)
– Yangpu Port Bathymetry Report (Dec 2023)
2. Position Verification:
– Differential GPS accuracy: ±3m
– Cross-checked with:
– China BeiDou System
– GLONASS reference stations
3. Capacity Calculations:
– Based on:
– IMO MSC/Circ.1175
– PIANC Report 121-2014
Emergency Preparedness:
1. Response Resources:
– Oil Spill: 500mt capacity boom
– Firefighting: 2 tugs with FiFi1
– Medical: MERS-certified team
2. Critical Contacts:
– MRCC Sanya: +86-898-8823-6110
– Port Security: VHF Ch 13
– Medical Emergency: VHF Ch 16 (Code “Pan-Pan”)
