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Storage Tank Consultancy, Design & Calibration Services

About us

Our Services

* Storage tank design

* Asset Management

* Certification

* Classification

* Insepection / Audit

* Construction Services / laboratory

* Training

Univac Consulting Engineers
F-10, Industrial Area, Udyog Nagar,
Rohtak Road, New Delhi - 110041;
India;   Tel : +91-11-4571 8480;


A New Delhi based company in India, undertaking storage tank calibration, inspection, audit & certification (through various international governmental metrological departments and non-governmental organizations), ultrasonic testing, tank settlement and tilt survey. The company was conceptualized in 2003 by Er. Ashok Srivastav a qualified & well experienced mechanical engineer.

Tank Calibration Services : - Tank calibration for shore and ship installations, terminals, and tank farms from our Total Quality Assurance experts.

Customers face a need for accurate volumetric tables and quantity measurement, to control stock held in storage vessels. Univac can provide accurate and detailed measurement and calibration of storage tanks to ensure customers don’t encounter issues. Up to date accurate calibration tables are an essential requirement for stock control and loss management,  this is especially important for customs bonded sites such as distilleries and the oil and gas industry.

Maintaining up to date tank calibration data is of vital importance in maintaining customer confidence, identifying potential losses in stock and resolving loading issues, thereby supporting client’s operational efficiency.

Clients have a requirement for an efficient tank calibration service that is able to provide accurate calibration tables and survey reports whilst causing minimum onsite impact in order to reduce disruption to operations. The availability of both the latest technology and the safest calibration methodologies is of primary concern to clients when selecting a total quality assurance partner.

Univac provides accurate and detailed measurement and calibration of large petroleum, fuel, and chemical cargo storage tanks. Tank calilbration includes shore tanks and ship tanks used for holding crude oil, refined petroleum products, LPG, LNG, and other wet or dry bulk cargoes. Using the latest technology for tank calibration, engineers and technicians are equipped with state-of-the-art measuring devices. Univac measures and calibrates tanks of various shapes, sizes and designs. Loss Control investigations are available from seasoned experts with years of industry experience.

Storage tank calibration:

Horizontal and Vertical Land Tanks Calibration
Internal and external tank calibration by EODR (Electro-Optical Distance Ranging)
Pipeline Volume Calculations
Custody Transfer Systems (CTS)
Ship and Barge Tank Volume Calculations
Petroleum and chemical storage tanks calibrated:

Vertical Tanks
Horizontal Tanks
Spherical Tanks
Cylindrical Tanks
Double-wall Tanks
Fixed Roof Tanks
Floating Roof Tanks
Domed Roof Tanks
Conical Roof Tanks
LNG Tank Calibration

Measurements include detailed assessments of wall verticality roundness and shape, along with roof & floor profiles. Tank calibrations are conducted to the exacting requirements of the appropriate international standards published by the International Standards Organisation (ISO) or by the American Petroleum Institute (API). Detailed volumetric tables are compiled for each tank and can be formatted according to the client’s requirements. Comprehensive tables can incorporate any standard units of measure for size, volume or both.

Tank calibration and measurement:

Tank Gauging Training Course
Volume and Flow Measurement Services
Metering and Meter Calibration Capabilities
Liquid Storage Terminal Services
Approved Licensee of Legal Metrology Dept.
Storage Tank Calibration :
Calibration of storage tanks is a legal requirement when tanks are used for commercial transactions or for an official inventory

> Calibration of tanks is a science of accurately determining the volume in a confined vessel at various stages and prepared the calibration charts, which we can refer to measure the exact stock at any particular height or level of the tank.

> Providing Storage Tank Calibration/Gauging services to Wine Industries, Distilleries, Sugar Factories, Oil Refinery & Chemical Industries, Pharmaceutical and Dairies etc. with valid Government Licensed from the Director of Legal Metrology (Weights and Measure Dept.) for all over the world.

> Approval and certification of Calibration charts from the Legal Metrology (Weights and Measures Dept) and State Excise, Customs as per their rules and regulations.