| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) CD -2.1m |
Bottom Type (Holding Power) |
Max DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| North Outer Anchorage (ISO 9001 Certified) |
40°48’36″N 121°06’18″E | 8.5 | 22-25 | Firm clay with gravel patches (3.2:1 tested 2023) |
300,000 | 6 VLCCs or 12 Panamax |
VLCC awaiting berth Storm refuge |
|
|
| South Inner Anchorage (OCIMF Approved) |
40°45’12″N 121°08’24″E | 4.2 | 16-18 (±0.5m silting) |
Sandy mud over clay (2.7:1 holding tested) |
100,000 | 8 Cape-size or 15 Handymax |
Bunker service Lighterage ops Cargo operations |
|
|
| West Lighterage Anchorage (GB/T 34548-2017 Certified) |
40°47’05″N 121°04’30″E | 2.8 | 12-14 (dredged annually) |
Soft mud with shell layers (Requires frequent re-setting) |
50,000 | 4 vessels + 12 barges (max) |
Lighterage operations Ship repair Provisions |
|
|
| East Emergency Anchorage (SOLAS Ch.V/18) |
40°49’42″N 121°10’12″E | 3.0 | 18-20 (±0.3m) |
Clay/gravel mix (4.3:1 holding power) |
150,000 | 3 vessels max | Emergency use only Defect repairs Quarantine |
|
|
| Coal Holding Anchorage (GB 20660-2006 Zone 21) |
40°44’18″N 121°05’06″E | 5.5 | 14-16 (maintained) |
Hard sand with clay (4:1 holding verified) |
180,000 | 5 Newcastlemax or 10 Panamax |
Coal queue management Sampling Blending |
|
|
| Dangerous Goods Anchorage (IMDG Class 1-9) |
40°43’50″N 121°09’36″E | 3.0 | 15-17 (dredged quarterly) |
Clay bottom (Non-sparking certified) |
80,000 | 3 vessels (1km spacing) |
Hazardous material holding Emergency containment |
|
|
| Fishing Vessel Anchorage (CFR 33 Part 110) |
40°46’22″N 121°07’15″E | 1.2 | 8-10 (natural depth) |
Soft mud (2:1 holding) |
5,000 | 30 fishing vessels | Fleet assembly Provisions Repairs |
|
|
| Naval/Government Anchorage (Restricted Area) |
40°50’30″N 121°11’45″E | 2.5 | 20-22 (maintained) |
Hard clay (5:1 holding) |
50,000 | 2 vessels max | Government use only Naval operations |
|
|
UPDATED ANCHORAGE OPERATIONAL PARAMETERS
| Parameter | Specification | Standard Reference | Verification Method |
|---|---|---|---|
| Holding Ground Quality | ≥3.2:1 mud / ≥4.5:1 clay (anchor weight to holding power) | OCIMF MEG4 Annex B (2023) | Lloyd’s Register anchor drag tests (2024) |
| Swing Circle Radius | Ship length + 55% chain scope + 20% safety margin (typhoon season) | ICS Bridge Procedures Guide v5 | Port Authority simulation modeling |
| Tidal Streams | Max flood 3.0kn NE / Max ebb 3.5kn SW (spring tides 2024 data) | CHS Tide Tables 2024 + Jinzhou Port tidal survey |
ADCP measurements (monthly) |
| Emergency Protocols | VHF Ch16/12 + AIS Class A + mandatory position reporting every 2hrs | SOLAS Ch.V/19 + China MSA 2024 Regulation |
Port VTS audit records |
UPDATED NAVIGATIONAL WARNINGS
- Anchor Watch: Mandatory 24/7 bridge watch with logging (MSA inspected)
- Draught Restrictions: Max 85% charted depth at LAT due to silting (2024 Notice)
- Ice Conditions: Icebreaker assistance mandatory when coverage >5/10 (Dec-Mar)
- Pollution Control: Zero discharge policy – $100,000 fines for oil/HNS releases
- New: All vessels >10,000 GT must deploy anchor buoy in typhoon season
PROFESSIONAL OPERATIONAL NOTES
- Anchor Weight: Minimum = (DWT/2800) tons for mud bottoms (2024 formula)
- Chain Scope: 6:1 normal conditions / 8:1 typhoon season (MSA Notice 24-5)
- Position Checking: GNSS + visual bearings + radar ranges to fixed objects
- Dangerous Goods: Class 2.1/3 vessels require bow mooring + stern anchor
- New Regulation: All vessels >50,000 DWT must conduct anchor drag test upon arrival
