Surveying and cargo control
All articles about surveying and cargo control.
Surveying and cargo controlCargo documents by transport mode: sea, barge, roadWhich documents belong to a liquid cargo by sea ship, inland barge, road truck, train or shore tank: B/L, inland B/L, CMR, LCI, cleanliness certificate.3 minSurveying and cargo controlShip classification certificate: what a surveyor checksA classification certificate is the roadworthiness paper of a seagoing ship, usually under five years old. What to check before loading, and if it is outdated.2 minSurveying and cargo controlTank container inspection and flexitank checks explainedLiquid cargo by road goes in a road truck, tank container or flexitank. What is inspected, the last three cargoes, and which weights are recorded.2 minSurveying and cargo controlWithout prejudice in shipping, and 'for receipt only'What 'without prejudice' and 'for receipt only' mean on a protest or survey document: you sign receipt of the document, not its facts or consequences.2 minSurveying and cargo controlCargo inspection checklist: oil tanks and dry bulk holdsWhat to check before, during and after loading: a cargo inspection checklist for vegetable oil tanks and dry bulk holds, with the standards it draws on.9 minSurveying and cargo controlHow to price a cargo survey: marine surveyor rates explainedCargo surveys are paid per ton, not per hour. How a surveyor builds a rate: per ton, day rate or fixed fee, waiting time, pass-through costs, what to agree.6 minSurveying and cargo controlISO 17020 accreditation for a small inspection companyThe route to ISO/IEC 17020 accreditation for a small inspection company: the steps, what the RvA assesses, published 2026 fees, and why a surveyor is Type A.6 minSurveying and cargo controlShore tank measurement and tank gauging at oil terminalsHow a shore tank quantity is measured at a vegetable oil terminal: calibration, manual dips vs automatic gauges, temperature, density, ship/shore difference.6 minSurveying and cargo controlWhat a cargo survey report must contain: a checklistThe eight parts of a usable cargo survey report: identification, instructions, method, observations, measurements, photographs, reservations and signature.8 minSurveying and cargo controlWorking with subcontract surveyors: quality and audit trailHow to use subcontract surveyors without losing control: vetting, competence records, contract terms, one standard of work and the audit trail behind a figure.6 minSurveying and cargo controlCertificate of analysis vs certificate of quality explainedWho issues a certificate of analysis and who a certificate of quality, what each proves, which sample it covers, and how both work under a letter of credit.5 minSurveying and cargo controlDraft survey report: what goes in it, with a worked exampleWhat belongs in a draft survey report: readings, every correction, deductibles, the cargo figure and signatures, shown in a worked example to the decimal.5 minSurveying and cargo controlFree fatty acid (FFA) and iodine value in oils and fatsWhat free fatty acid and iodine value measure in an oil, how labs test them, the Codex values, and what an FFA overrun means for the price and a claim.6 minSurveying and cargo controlFresh water allowance and dock water allowance explainedHow to calculate the fresh water allowance and the dock water allowance, where both formulas come from in the Load Lines Convention, and a worked example.5 minSurveying and cargo controlInspection certificate vs inspection report: the differenceAn inspection certificate states a result; an inspection report records what the surveyor saw. What each contains, who signs, and where it fits in a CIF trade.6 minSurveying and cargo controlISO 17025 vs ISO 17020: laboratory or inspection body?ISO/IEC 17025 is for testing labs, ISO/IEC 17020 for inspection bodies. Who needs which, types A and non-A, and why a lab is accredited rather than certified.5 minSurveying and cargo controlLetter of protest vs note of protest: who issues whichA letter of protest reserves rights between parties in port; a note of protest is the master's declaration on the voyage. When to use each, and what goes in.6 minSurveying and cargo controlOutturn report and cargo shortage: measuring the gapWhat an outturn report records per shore tank, tank barge, road truck or tanker, how the gap with the B/L weight is worked out, and when to protest.6 minSurveying and cargo controlPalm oil density: temperature, air or vacuum, and tonnagePalm oil density is about 0.89 kg/l at 50 °C, worked from 15 °C with 0.00068 per °C in the EU. Density in air versus in vacuo, and a worked example.6 minSurveying and cargo controlSampling receipt (often called a sampling certificate)Sampling certificate or sampling receipt: what it records, who draws and seals samples on GAFTA and FOSFA terms, and why the sealed sample is the evidence.6 minSurveying and cargo controlStatement of facts in shipping: what it records and whyWhat a statement of facts records, how it links the notice of readiness to laytime and demurrage, how to sign it with remarks, and a free Excel template.7 minSurveying and cargo controlUllage report and sounding tables: from tape to volumeHow a sounding table turns a measured ullage into a tank volume: sounding vs ullage, trim and list corrections, interpolation and what an ullage report holds.7 minSurveying and cargo controlVessel experience factor (VEF): how it is built and usedA vessel experience factor compares a tanker's cargo figures with shore figures over past voyages. How it is built, a worked example, and what it cannot prove.6 minSurveying and cargo controlVolume correction factor and density at 15 °C explainedWhat a volume correction factor does, how density, relative density and density in air differ, and a worked example from tank volume via 15 °C to tonnes.6 minSurveying and cargo controlWeight certificate: what it proves and who issues itWhat a weight certificate proves, who issues it, which weighing methods GAFTA 123 accepts, how it differs from the B/L weight, and what it does under a credit.6 minSurveying and cargo controlWhat does an independent surveyor do in the cargo trade?An independent surveyor inspects holds, measures and samples cargo and records it for buyer, seller or both. Who appoints and pays, and how the report counts.6 minSurveying and cargo controlWhat is a draft survey? Method, formulas and worked exampleA draft survey weighs a bulk cargo from the ship's drafts. The UNECE method step by step, a worked example checked to the decimal, and where methods differ.7 min