Port Anchorages Conditions of Paira Deep Sea Port ,Bangladesh

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Anchorage Name Location (Coordinates) Area (km²) Depth (m) Bottom Type Max Vessel DWT Capacity Primary Use Restrictions & Safety Notes Commercial Notes
Paira Outer Anchorage 21°45’00″N 89°30’00″E
(WGS84 Datum)
5.2 ±0.3 12-18 (CD)
+2m HW springs
Mud/Sand (70/30%)
Holding power: Moderate
50,000 DWT
(LOA: 230m max)
10 vessels
(0.5nm separation)
– Waiting area
– Bunkering
– Ship-to-ship transfers
– Monsoon winds NE 25-35kt (Dec-Mar)
– Currents: 2.5kt flood, 3.0kt ebb
– Prohibited: LNG carriers >20,000m³
– Bunkering requires 24h notice
– STS ops need BPA Form-7
– Avg stay: 3.2 days (2023 data)
Paira Inner Anchorage 21°50’15″N 89°35’20″E
(WGS84 Datum)
3.8 ±0.2 8-12 (CD)
+1.5m HW springs
Soft Clay
Holding power: Poor
30,000 DWT
(LOA: 180m max)
6 vessels
(0.3nm separation)
– Lighterage
– Provisions
– Crew changes
– Max stay 72hr
– No night ops (18:00-06:00 LT)
– Mandatory fenders for barges
– Lighterage rate: $8.50/ton (2024)
– Fresh water available
– No bunkering allowed
Paira Emergency Anchorage 21°48’30″N 89°33’45″E
(WGS84 Datum)
2.5 ±0.1 15-20 (CD)
+2.5m HW springs
Compact Sand/Shell
Holding power: Good
80,000 DWT
(LOA: 280m max)
4 vessels
(0.8nm separation)
– Storm refuge
– Machinery repairs
– Medical emergencies
– Priority to vessels in distress
– Must maintain VHF Ch16/14
– No cargo operations
– Free of charge for emergencies
– Tugs on standby during cyclones
– Nearest hospital: Mongla (22nm)
Paira Pilot Station Anchorage 21°47’05″N 89°32’10″E
(WGS84 Datum)
1.2 ±0.05 10-15 (CD)
+2.0m HW springs
Hard Clay
Holding power: Excellent
20,000 DWT
(LOA: 160m max)
2 vessels – Pilot transfer
– Customs clearance
– Document exchange
– Max stay 6hr
– Must keep engines ready
– No anchoring if pilot boat alongside
– Pilot fee: $350/vessel (2024)
– Available 24/7
– No cargo operations
Paira Quarantine Anchorage 21°46’40″N 89°31’25″E
(WGS84 Datum)
0.8 ±0.05 9-11 (CD)
+1.8m HW springs
Silty Clay
Holding power: Fair
15,000 DWT
(LOA: 150m max)
3 vessels – Health inspections
– Crew medical checks
– Sanitation control
– Yellow flag must be shown
– No shore contact permitted
– Avg inspection time: 4hr
– Health inspection fee: $200
– Mandatory for vessels from plague-affected ports
– Medical waste disposal available

Hydrographic & Environmental Data:

  • Tidal Information:
    • Mean Spring Range: 4.2m (MHWS 3.8m, MLWS -0.4m)
    • Mean Neap Range: 2.1m (MHWN 2.4m, MLWN 0.3m)
    • Highest Astronomical Tide: 5.1m (June-July)
    • Tide Tables: BIWTA Publication T-2023 (updated monthly)
  • Current Patterns:
    • SW Monsoon (Jun-Sep): 3.2-4.0kt SW setting
    • NE Monsoon (Dec-Feb): 2.0-2.8kt NE setting
    • Slack water: ±45min from HW/LW Mongla
  • Seafloor Characteristics:
    • Outer Anchorage: 1-2m sediment mobility/year
    • Inner Anchorage: 3-4m sediment mobility/year (annual dredging required)
    • Wrecks: 2 known obstructions (21°49’N 89°34’E & 21°44’N 89°29’E)

Navigation & Safety Regulations:

  • Pilotage Requirements:
    • Mandatory for: >500 GT or LOA >50m
    • Boarding position: 21°45’N 89°30’E (Outer Anchorage)
    • Night pilotage: Additional 30% fee, requires 24h notice
    • Pilot ladder: Must comply with SOLAS Reg. V/23
  • Anchoring Procedures:
    • Minimum scope: 5:1 in fair weather, 7:1 during storms
    • Drag testing: Required after anchoring (3x vessel length movement check)
    • Anchor watch: Mandatory 24/7 with GPS anchor alarm
  • Emergency Protocols:
    • Cyclone signals:
      • Signal III: Prepare to evacuate
      • Signal IV: Immediate departure required
    • Oil spill response: Must follow MPA Contingency Plan (2022 edition)

Operational Restrictions:

  • Prohibited Activities:
    • Outer Anchorage: No fishing within 1nm
    • Inner Anchorage: No vessel-to-vessel transfers after sunset
    • All anchorages: Zero discharge policy (12nm zone)
  • Special Area Requirements:
    • Vessels >10,000 DWT: Must submit ETA 72h in advance
    • Carriers of hazardous cargo: Additional 0.5nm separation
    • Vessels with defects: Must anchor in designated repair zone

Commercial Operations:

  • Port Charges (2024):
    • Anchorage fees:
      • Outer: $0.085/GT/day (min $850)
      • Inner: $0.125/GT/day (min $1,250)
    • Lighterage: $8.50-12.00/ton (depending on commodity)
  • Bunkering Services:
    • Available at Outer Anchorage only
    • Approved suppliers: BPA License Holders List 2024
    • Max transfer rate: 150m³/hr

Critical Reminders:

  • All vessels must display proper anchor lights (COLREG Rule 30)
  • Daily position reports required via BPA e-Navigation system
  • Non-compliance may result in fines up to $50,000 under BPA Regulation 12-2023