Port Dolphins, Mooring Bouys, Piers , Berths , Lighterages and Wharves of Najin Port

By
wpoeditor
-
0
130
Logistics and transportation of Container Cargo ship and Cargo plane with working crane bridge in shipyard, logistic import export and transport industry background

1. Port Dolphins

Dolphin Name Location (WGS84) Structure Type Dimensions Function SWL (ton) Fender System Note
Najin Inner Dolphin #1 42°14’30″N 130°16’15″E Reinforced concrete 8m diameter Primary mooring 150 D-type rubber Built 2005, last inspected 2022
Najin Inner Dolphin #2 42°14’32″N 130°16’18″E Reinforced concrete 8m diameter Secondary mooring 150 D-type rubber Paired with #1, 50m spacing
Najin Outer Dolphin 42°15’05″N 130°17’20″E Steel pile cluster 6m diameter Navigation aid N/A N/A IALA compliant markers, radar reflector
Oil Terminal Dolphin A 42°13’45″N 130°15’40″E Concrete caisson 10m×10m Tanker mooring 100 Cell-type rubber Quick-release hooks, fireproof
Oil Terminal Dolphin B 42°13’47″N 130°15’42″E Concrete caisson 10m×10m Tanker mooring 100 Cell-type rubber Paired with Dolphin A
Emergency Mooring Dolphin 42°14’10″N 130°16’05″E Steel jacket 5m diameter Contingency use 50 D-type rubber Restricted access

2. Mooring Buoys

Buoy ID Position (WGS84) Type Max Vessel Size Light Characteristic Mooring Scope Chain Size Note
MB-1 42°15’00″N 130°17’00″E Single-point 10,000 DWT Fl R 5s 3:1 water depth 76mm studless Annual inspection, class certified
MB-2 42°16’10″N 130°18’15″E Multi-point 5,000 DWT Fl Y 10s 4-point spread 64mm studlink 200m scope, 10t sinkers
MB-3 42°14’20″N 130°16’30″E Emergency 3,000 DWT Fl G 6s 3:1 water depth 52mm studless Restricted use, no night ops
MB-4 42°13’50″N 130°15’50″E CALM buoy 15,000 DWT Fl W 15s Single-point 84mm studlink Oil transfer capable, 12″ hose

3. Piers

Pier Name Length (m) Width (m) Depth (m) Material Bollard Spacing Fender System Deck Load (t/m²) Note
East Pier 150 25 8.5 Concrete caisson 15m D-type rubber 15 Reconstructed 2010, cathodic protection
West Pier 200 30 9.0 Steel sheet pile 20m Cell-type rubber 20 Bollards SWL 50t, lighting 200lux
Military Pier 120 20 7.5 Concrete gravity 10m N/A 30 Restricted access, armored
Repair Pier 100 15 6.5 Steel pile 12m D-type rubber 10 Drydock access, 50t crane

4. Terminals and Berths

Terminal Name Berth Name Length (m) Depth (m) DWT Capacity Max LoA (m) Berth Type Shore Cranes SWL (ton) Bollard Capacity (ton) Apron Area (m²) Main Cargo Note
Najin General Cargo Terminal Berth 1 180 9.5 20,000 160 Quay wall 2 (Liebherr LHM 280) 25 50 5,400 General cargo Concrete deck, 200lx30m apron
Berth 2 150 8.0 10,000 140 Quay wall 1 (Kone CXT 80) 15 35 4,500 Breakbulk Limited crane coverage
Berth 3 120 7.0 5,000 110 Open wharf 0 N/A 25 3,600 Project cargo Heavy lift area, 50t/m²
Najin Container Terminal CT-1 220 11.0 30,000 200 Quay wall 3 (ZPMC Super Post-Panamax) 40 60 33,000 Containers 2x RMG, 15ha yard, reefer plugs
Najin Bulk Terminal Bulk Berth 250 12.5 50,000 220 Open wharf 0 N/A 75 7,500 Coal/Iron ore Ship loader (1,200t/h), 50,000t stockpile
Najin Oil Terminal Oil Berth 180 13.0 60,000 170 Dolphin 0 N/A 100 N/A Crude oil 2x 12″ submarine pipelines, vapor recovery
Najin Ro-Ro Terminal Ro-Ro Berth 150 7.5 8,000 145 Ramp quay 0 N/A 30 4,500 Vehicles 8m wide ramp, 1:10 gradient, 12ha parking
Naval Terminal Berth N-1 180 9.0 15,000 160 Quay wall 1 (30t) 30 80 N/A Military Restricted access, 24h guard

5. Lighterages

Area Position Max Draft (m) Bottom Type Holding Ground Anchorage Radius Turn Area Note
Inner Harbor 42°14’00″N 130°16’00″E 6.0 Mud Good 300m 400m diameter 3×3 anchorage grid, sheltered
Roadstead 42°15’30″N 130°18’00″E 15.0 Sand Fair 500m 600m diameter Exposed to NE winds, 2.5kt current
Emergency Lighterage 42°13’45″N 130°15’00″E 8.0 Clay Excellent 200m 300m diameter Restricted use, no discharge
Oil Transfer Zone 42°13’30″N 130°14’45″E 20.0 Rock Poor 400m 500m diameter DP vessels only, OPA 90 compliant

6. Wharves

Wharf Name Length (m) Depth (m) Material Frontage (m) Deck Height (m) Lighting (lux) Note
Fishery Wharf 120 5.0 Timber 3.5 2.5 100 Small craft only, ice-resistant
Naval Wharf 300 8.0 Concrete 5.0 3.0 150 Restricted access, 24h guard
Repair Wharf 100 6.5 Steel sheet pile 4.0 2.8 200 Drydock access, 50t crane
Coal Wharf 80 5.5 Concrete 4.5 3.2 75 Barge loading only, conveyor system

Operational Parameters:

  • Tidal Information:
    • MHWS: +2.1m
    • MLWS: +0.6m
    • Mean range: 1.2m
    • Highest recorded tide: +2.8m (2012 typhoon)
  • Approach Data:
    • Channel depth: 12.5m maintained
    • Channel width: 150m
    • Turning basin: 400m diameter @ 10m depth
    • Max approach speed: 4 knots inner harbor
  • Meteorological Restrictions:
    • Wind: Operations cease at 25m/s sustained
    • Visibility: Pilotage suspended below 500m
    • Ice: January-March, icebreaker assistance required

Safety Critical Information:

  • Navigation Warnings:
    • Military restricted areas within 1nm of naval wharf
    • Submarine cables near oil terminal (marked on charts)
    • Fishing nets prevalent May-October in approaches
  • Emergency Procedures:
    • Oil spill: Immediate report required, containment boom deployment
    • Fire: Port tugs equipped with fire monitors (2,400m³/h capacity)
    • Medical: Port clinic available (basic trauma care)
  • Security Requirements:
    • ISPS Level 1: 12h pre-arrival notice
    • Armed guards prohibited
    • Designated boarding areas only

Port Services:

  • Tug Assistance:
    • 3x 3,200HP ASD tugs (bollard pull 45t)
    • 2x 4,500HP Voith tugs (bollard pull 60t)
    • Mandatory for vessels >5,000 GT
  • Pilotage:
    • Compulsory boarding area: 42°16’00″N 130°19’00″E
    • 24/7 service with 2h notice
    • 2 licensed pilots available
  • Linesmen:
    • Gang of 8 available per vessel
    • Equipped with synthetic mooring lines
    • Night surcharge applies after 2000hrs

 

RELATED ARTICLESMORE FROM AUTHOR