Zeus Marine Service – Ullage Survey & STS Operation at Chittagong Port & Anchorage
Precision in Liquid Cargo Handling. Trusted Ullage Surveys and STS Expertise from Bangladesh’s Maritime Leader.
🔷 About Us
Zeus Marine Service is a professional marine inspection and survey company operating from Chittagong Port, Bangladesh. We specialize in ullage surveys, STS (Ship-to-Ship) operations, cargo quantification, and logistical coordination for tankers, product tankers, chemical carriers, and edible oil vessels.
With deep experience in liquid cargo handling, our team ensures precision, transparency, and compliance every step of the way — from loading and transfer to final discharge.
🔷 Our Core Services
✅ Ullage Survey & Cargo Quantification
Accurate, independent measurements of liquid cargo volumes using internationally accepted methods.
Our Ullage Survey Covers:
- Ullage, innage, and temperature readings
- Water dips (free water measurement)
- Volume and weight calculation (including API/ASTM conversions)
- Correction for temperature, tank expansion, and trim/list
- Cargo stratification check
- Documentation of loading/discharge losses
- Preparation of ship/shore comparison reports
- Bunker quantity verification (if requested)
🔍 We handle surveys for:
- Crude Oil
- Refined Petroleum Products (Diesel, Jet A1, Kerosene, Gasoline)
- Vegetable Oils (Soybean, Sunflower, Palm, etc.)
- Liquid Chemicals (in accordance with MARPOL/IMO requirements)
✅ STS (Ship-to-Ship) Operation Supervision
STS transfers require precision, safety, and real-time coordination. Zeus Marine Service provides full supervision and logistical support for ship-to-ship cargo transfers at approved anchorages and offshore zones near Chittagong.
Our STS Support Includes:
- Pre-operation planning and risk assessment
- Weather and tidal condition monitoring
- Coordination with port authorities, pilots, and lightering vessels
- Mooring operations supervision (fendering, lines, spacing)
- Real-time ullage checks before, during, and after transfer
- Quantity reconciliation and loss control
- Full documentation: transfer log, fender plan, cargo statement
🛢️ STS handled for:
- Gas Oil (MGO)
- Fuel Oil (IFO 180/380)
- Base Oil and Lubricants
- Vegetable Oils
- Bulk Liquid Chemicals
✅ Tank Cleaning & Line Displacement Verification
- Supervision of tank cleaning operations
- Verification of line displacement volumes
- Slop quantity check
- Preload / after-clean inspection and certification
- Compatibility check between cargoes
✅ Documentation & Reporting
Every Zeus Marine inspection includes:
📄 You Will Receive:
- Ullage survey reports (with tables, corrections, and seals)
- STS transfer logbook entries
- Certificate of Quantity (COQ)
- Photographic evidence and timestamped entries
- Tank condition reports (if required)
- Surveyor’s remarks for loss/gain or contamination
🗂️ Reports conform to:
- API MPMS standards
- ASTM tables (54, 56, 6A, etc.)
- IMO/ICS guidelines for liquid cargo handling
- Client SOPs and third-party verification protocols
🔷 Why Choose Zeus Marine Service?
🎯 Accuracy You Can Rely On
Our trained and certified surveyors use calibrated equipment and follow international best practices to eliminate guesswork from ullage readings and cargo reconciliation.
⚓ Local Expertise – Chittagong Advantage
We operate 24/7 at Chittagong Port, outer anchorage, and STS zones. Our local positioning ensures:
- Fast response times
- Seamless coordination with lighter vessels, barge operators, and port authorities
- End-to-end coverage from shore tanks to lighter vessels
📊 Independent & Transparent
We provide unbiased, third-party verification that supports:
- Customs clearance
- Buyer-seller contractual terms
- Insurance claims
- Dispute resolution
🔧 Technical Support Beyond the Survey
Need help with loading sequences, shore tank calibration, or B/L reconciliation? Our experts support you with comprehensive cargo planning and execution.
🔷 Industries & Clients We Serve
- Oil & Gas Traders
- Bulk Chemical Importers
- Vegetable Oil Refiners
- Tanker Operators & Charterers
- International Buyers/Sellers
- Port Agents & Logistics Coordinators
- Ship Managers & Bunker Suppliers
🔷 Common Cargo Types Handled
| Cargo Type | Examples |
|---|---|
| 🛢️ Petroleum Products | Diesel, Kerosene, Gasoline, Jet A1, Naphtha |
| 🧪 Liquid Chemicals | Caustic Soda, Methanol, Ethylene Glycol, Acetic Acid |
| 🌻 Vegetable Oils | Soybean, Palm, Sunflower, Rapeseed |
| ⚙️ Lubricants & Base Oils | SN150, SN500, Bright Stock |
| 🚢 Slops/Ballast/Bunker Oils | Surveyed & certified for marine compliance |
🔷 Logistics Support for Tanker Operations
Zeus Marine Service is more than just a surveyor – we’re your port-side logistics partner.
Our support services include:
- Crew boarding assistance
- Document submission to port/customs
- Local liaison for bunker and freshwater supply
- Barge coordination
- Anchorage arrangement and agent assistance
- Launch boat services for surveyors, pilots, and supervisors
🔷 Our Service Areas
- Chittagong Port – Main Berths & Jetties
- Outer Anchorage / STS Zones
- Mongla Port (on request)
- Private Tank Terminals
- Refinery & Edible Oil Jetties
🔷 Our Commitment: Precision, Compliance, Reliability
When handling liquid cargo, there is no room for error. That’s why Zeus Marine Service brings:
- 📏 Precise measurements
- 🛡️ Safe operational practices
- 📋 Certified, traceable documentation
- 🔄 Real-time communication
- ⏱️ On-time service delivery – 24/7
We’re trusted by charterers, ship owners, oil traders, and logistics companies for a reason:
We measure what matters. And we deliver when it counts.
🔷 Get In Touch
Let us ensure your next liquid cargo operation is accurate, safe, and compliant.
Secure your cargo quantification with Zeus Marine Services. Contact us today to schedule an inspection / STS operation at Chittagong Port today—your reliable partner for marine excellence!
🔷 Client Testimonials
“Thanks to Zeus Marine, our STS operation at Chittagong was perfectly executed with no quantity dispute. Their surveyor stayed on board and delivered real-time updates.”
— Operations Manager, International Oil Trader
“Very reliable ullage reports and excellent local coordination. Highly recommended for any chemical or edible oil shipment.”
— Chartering Executive, Product Tanker Operator
🔷 Frequently Asked Questions (FAQ)
Q1: What equipment do your surveyors use for ullage measurement?
A: We use certified closed/open gauging tapes, thermometers, and density meters as per API standards.
Q2: How soon can you deploy a surveyor for an incoming tanker?
A: Our team is available 24/7 and can mobilize to port, anchorage, or jetty within 1–2 hours of request.
Q3: Do you offer Bunker Quantity Surveys (BQS)?
A: Yes. We conduct BQS for bunkering operations and deliver full documentation including ROBs and discrepancy analysis.
Q4: Can I receive reports digitally?
A: Yes. All our reports are provided in PDF format with optional Excel calculations and photo attachments.
🔷 Choose Zeus Marine – Where Accuracy Meets Action.
✅ Expert Ullage Surveys
✅ Certified STS Supervision
✅ Edible Oil & Chemical Cargo Experience
✅ 24/7 Port & Anchorage Support
✅ Transparent, Independent, Reliable