© 2026 Observater Surveys and Services Group. All rights reserved.
Bulk Liquid Cargo Inspection Experts in Mozambique that provide unmatched standard of integrity, quantity assurance, and trade facilitation. Our certified petroleum, gas and bulk chemicals inspectors, surveyors, and technicians apply globally recognized procedures—ensuring every cubic metre of your cargo is accounted for with precision.
We perform detailed tank gauging on vessels and shore tanks, supervised line clearance checks, and execute joint samplings at all critical custody points. In Mozambique’s ports—Maputo, Beira, Nacala—where multi-user terminals and infrastructural limitations often cause misallocations, Observater brings disciplined coordination and verified quantity reconciliation
Our teams manage ship/shore interface operations, providing immediate discrepancy reports and rapid resolution mechanisms that serve all stakeholders—be it a trader, shipper, consignee, shipowner, or underwriter.
From pipeline transfers and ship-to-ship operations to final shore delivery, our reports are audit-ready, our presence is proactive, and our methodology is battle-tested. Reach us anytime at: ops@observater.com
Our Chemical inspectors in Mozambique conduct full compatibility checks, supervise terminal flushing operations, and confirm tank cleanliness using both visual and sludge-trap methods. In Mozambique, where shipments of ethanol, caustic soda, methanol, or polymers often involve multiple handlers, we provide a single point of accountability. Observater’s chemical surveyors are fluent in IMDG, MARPOL Annex II, and industry-recognized ICS tank inspection procedures—ensuring compliance and safe passage.
Sampling is done using closed systems where applicable, and custody seals are documented with chain-of-custody logs. We prepare shipper/receiver volume reconciliation sheets and issue tripartite discharge statements for the consignee, master, and cargo owner. Whether you’re an importer of bulk solvents or an international chemical charterer, our Mozambique-based teams shield your interests from common terminal irregularities and documentation errors.
By merging inspection expertise with on-the-ground logistics know-how, Observater makes chemical cargoes safe, traceable, and compliant across every Mozambican port.
Our petroleum cargo surveyors are trained in API MPMS and ISO 3170 methodologies. We verify calibration tables for tanks and flowmeters, detect losses during inter-terminal transfers, and monitor for undocumented slops or off-spec mixtures. Observater’s tank-to-tank reconciliation process goes beyond dip-stick readings. We implement line displacement checks, use of ullage and temperature corrections, and independent sampling—with secure sample retention.
We also supervise bunker delivery verification, ensuring charterers aren’t billed for air or undocumented marine diesel losses. At high-traffic ports like Maputo and Beira, we liaise with port authorities and terminal staff to coordinate safe vessel berthing operations and prevent line-switch errors. Our final survey reports are accepted by insurers, banks, and chartering parties due to their clear details and supporting evidence.
With Observater, you don’t just move fuel—you move verified, certified, and contract-ready petroleum, inspected under world-class governance.
Sampling is a science, not a formality. Every Observater inspector follows defined protocols for closed, open, or composite sampling. Samples are sealed, photographed, labeled with job IDs, GPS coordinates, and timestamps. Our inspection teams keep digital custody logs and handover documents for each sample set, ensuring unbroken traceability.
In an industry where mislabelled or mishandled samples can trigger six-figure claims or vessel delays, we act as the fail-safe. At all Mozambican ports, we provide 24/7 rapid deployment of inspectors—whether it’s a vessel berthing at 2am or a last-minute change in cargo parceling. Our chain-of-custody management system is trusted by international insurers and reinsurers.
When your cargo is inspected by Observater, it is protected by a wall of skill, documentation, and forensic traceability. Our clients don’t just get an inspection—they get peace of mind, litigation defense, and the highest form of trade assurance Africa has to offer.
Our Mozambique team of liquid cargo surveyors we serves as the eyes and ears of cargo owners, shippers, charterers, and terminal operators during petroleum, HFO, and gas discharge operations. Our specialized surveyors provide critical oversight throughout the discharge process ensuring quantity, quality, and compliance standards are upheld.
Before the vessel berths, our team coordinates with terminal authorities to gather vital data on trim, draft, and cargo readiness, we check actual water density to ensure that vessel berths safely. Further, these parameters guide discharge planning and ensure optimal alignment with terminal infrastructure. Upon vessel berthing, Observater surveyors board the vessel to conduct a joint planning session with ship officers, terminal loading masters, and client representatives.
Once operations commence, our surveyors supervise the priming of pipelines and conduct simultaneous quantity verification using both ship and shore tank gauging techniques—including manual sounding, ullaging, or automated systems, as required. For gas tankers, pressure and temperature readings are factored in to convert volumes to standard conditions. In parallel, product samples are drawn for laboratory analysis to confirm compliance with contractual quality specifications.
Throughout the entire discharge process, Observater maintains direct coordination between ship and shore teams. We track valve operations, line flushing, stripping, and ensure safe tank changeovers—minimizing any risk of product contamination or volume discrepancies.
At the close of operations, final tank measurements are conducted to determine outturn volumes. Empty tanks are visually inspected, and any remaining cargo is quantified and reported. Observater prepares a comprehensive discharge report, including quantity reconciliation, sample traceability, and all required cargo documentation, co-signed by relevant stakeholders.
With Observater’s petroleum cargo surveyors on-site, every movement is verified, every metric is trusted, and every stakeholder is confidently informed.
Trusted Oversight from Shore Tank to Bunker Vessel
Our bunker/ oil backloading surveyors in Mozambique ensure that backloading operations – from shore tanks to bunker vessels, barges, or fuel suppliers – are carried out with maximum control, safety, and product integrity.
We begin by verifying the cleanliness and readiness of both shore tanks and receiving tanks on the vessel or barge. Before loading, we supervise line flushing and sampling to prevent cross-contamination and confirm the quality of the product – whether Diesel or Heavy Fuel Oil.
Accurate shore tank gauging is performed to determine quantity available, followed by continuous monitoring of flow rates, valve operations, and line integrity during the transfer. For Heavy Fuel Oil, we ensure heating systems are within operational temperature ranges to facilitate smooth flow.
Upon completion, final tank measurements and line clearances are conducted to determine exact loaded quantities. Observater prepares full backloading documentation, including the Bunker Delivery Note (BDN), tank calibration, and product traceability reports—ensuring compliance with maritime fuel handling regulations and stakeholder satisfaction.
Observater is a leading provider of professional oil, gas, petroleum, and chemical inspection services in Mozambique, delivering high-integrity technical surveys and loss assessments for the energy, industrial, and commercial sectors.
Our locally grounded experts serve the needs of terminal operators, storage facilities, fuel traders, chemical distributors, and logistics providers across all major ports and industrial zones in Mozambique.
We specialize in on-site inspections of petroleum storage tanks, LPG terminals, fuel depots, chemical warehouses, pipeline systems, and refinery assets – ensuring compliance, safety, and readiness for insurance and operational decisions.
Our team includes certified petroleum engineers, loss adjusters, and technical surveyors trained to assess bulk liquid cargoes, identify corrosion or leakage risks, investigate fire or explosion incidents, and document chemical contamination or structural damage.
With a firm presence in Maputo, Beira, Nacala, and Pemba, Observater ensures swift deployment, detailed root cause analysis, and actionable inspection reports that support claims settlements, recoveries, and regulatory compliance.
Whether it’s a fuel tank collapse in Beira, pipeline damage near Nacala, or chemical spills at industrial depots in Maputo, our solutions are precise, defensible, and trusted.
Choose Observater for petroleum and chemical inspection services in Mozambique – where accuracy meets accountability, and expertise drives every report.
When precision matters, Observater Surveys Group is your Partner of Choice
© 2026 Observater Surveys and Services Group. All rights reserved.