1. General Port Overview
– Official Name: Mukho Port under Donghae Port Complex (MOF Notice 2023-112)
– Port Authority: Donghae Regional Office of Oceans and Fisheries (ROOF)
– Jurisdiction: Gangwon Special Self-Governing Province
– UN/LOCODE: KRMUK (UNECE 2023)
– Port Type: Commercial/Industrial/Coastal Port
– Harbor Classification: Class 2 (Korean Port Law Article 3-2)
– Port Limits: 37°32’00″N to 37°35’00″N, 129°05’00″E to 129°09’00″E
– Tidal System: Semi-diurnal, range 0.3m-0.5m (KHO Tide Tables 2023)
– Prevailing Winds: NW (winter 7m/s), SE (summer 5m/s) – KMA 2022 verified
– Port Administration: 24/7 operations with VTS monitoring
– Port Security Level: ISPS Level 1 (normal conditions)
2. Anchorage Specifications
| Anchorage Name | Location (WGS84) | Area (km²) | Depth (CD) | Bottom Characteristics | Max Vessel Size | Capacity | Primary Use | Restrictions & Safety | Commercial Services |
|---|---|---|---|---|---|---|---|---|---|
| Mukho Outer Anchorage | 37°33’00″N 129°07’30″E ±200m radius |
2.5 | 18-22m (Chart Datum) |
Mud/Sand (70/30) Holding power: 4:1 |
50,000 DWT 230m LOA |
3 vessels (500m separation) |
– Waiting area – Storm shelter – Pilot transfer |
1. NE exposure (15m/s+ winds) 2. 1.5kt spring currents 3. No LNG carriers 4. Night lights required |
– Pilot boarding – Bunkering (24h notice) – Free pratique required |
| Mukho Inner Anchorage | 37°33’30″N 129°06’00″E ±150m radius |
1.2 | 12-15m (Chart Datum) |
Clay/Mud (3:1) Penetration 2-3m |
30,000 DWT 200m LOA |
2 vessels (300m separation) |
– Bunkering – Lighterage – Crew changes |
1. Restricted maneuvering 2. No fishing season use 3. Tug standby >10k DWT 4. Daytime only for hazmat |
– Bunkers (LSFO/MGO) – Fresh water 100T/hr – 12h notice required |
| Emergency Anchorage A | 37°34’15″N 129°08’45″E | 0.8 | 20-25m | Hard Sand (2:1) Poor holding |
80,000 DWT 250m LOA |
1 vessel | Distress situations only | 1. Port Master approval 2. Max 24h stay 3. No operations |
None permitted |
| Quarantine Anchorage | 37°32’45″N 129°08’00″E | 0.5 | 15-18m | Mud/Clay (3:1) | 20,000 DWT | 1 vessel | Health inspections | 1. Radio quarantine required 2. No crew transfer 3. Flag Q displayed |
Medical services only |
3. Anchorage Operational Details
– Holding Ground: Outer (Excellent), Inner (Good), Emergency (Marginal)
– Swing Circle: 3x LOA minimum (4x recommended in outer anchorage)
– Bottom Conditions: Verified by 2022 multibeam survey (KHO Report 2022-45)
– Prohibited Zones:
• 0.5nm from fish farms (Chart KH-431A/B)
• 1nm from submarine cables
• 0.3nm from naval restricted area
– Anchoring Procedures:
1. Obtain VTS clearance
2. Verify position with landmarks
3. Deploy both anchors in >20m depth
4. Maintain continuous watch
4. Navigation Safety Systems
– VTS Coverage: Sector 3 (Donghae VTS Center)
– Radar: 12nm range coverage
– AIS: Mandatory for all vessels
– Communications:
• VHF Ch 16 (Distress)
• VHF Ch 12 (Port Ops)
• VHF Ch 13 (Nav Warnings)
– Pilotage:
• Compulsory >500 GT
• Boarding position: 37°33’15″N 129°07’45″E
• Transfer conditions: <1.5m waves
– Tug Services:
• 2x 3200HP available
• Response time <30min
• Night surcharge 20%
5. Environmental Conditions
– Typhoon Season: June-September (1.2 avg/year)
– Storm Warning Threshold: Beaufort 7
– Fog Frequency: 15-20 days/year (Mar-May)
– Wave Climate:
• Winter: Avg 1.5m (max 4m)
• Summer: Avg 0.8m (max 2.5m)
– Currents:
• Tidal: 0.5-1.2kt (max 1.8kt springs)
• Residual: <0.3kt NW setting
– Ice Conditions: Light brash ice Jan-Feb
– Water Temp: 3°C (winter) to 24°C (summer)
6. Port Services & Logistics
– Bunkering:
• Inner anchorage only
• Grades: LSFO, MGO
• Min order: 50MT
– Provisions:
• 24h notice required
• Cash on delivery
– Fresh Water:
• 100T/hr capacity
• Potable certificate provided
– Waste Handling:
• MARPOL Annex I-V
• Garbage log mandatory
– Ship Repairs:
• Floating dock (5k DWT max)
• No hot work without permit
– Medical:
• Port clinic available
• Emergency evacuation possible
7. Regulatory Framework
– Customs:
• Clearance before anchoring
• Form C-102 required
– Immigration:
• Crew changes: 72h notice
• No shore leave without permit
– Quarantine:
• WHO regulations apply
• Medical declaration required
– Port State Control:
• Tokyo MoU White List
• 15% inspection rate
– Fees:
• Anchorage: $0.08/GT/day
• Waste: $50/tonne
• Late notice: 30% surcharge
8. Critical Operational Procedures
1. Anchoring Protocol:
– Verify holding ground
– Monitor drag circle
– Immediate VTS report if dragging
2. Emergency Procedures:
– Distress signals: VHF Ch 16
– Abandon ship position: 37°33’30″N 129°07’00″E
3. Hazardous Cargo:
– No night operations
– Standby tug required
4. Weather Restrictions:
– >Beaufort 7: Outer anchorage closed
– >1.5m waves: No bunkering
5. Reporting Requirements:
– ETA 72h/24h/12h
– Anchorage position report
– Departure report
