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PROJECT

Long Sơn Petrochemical Plant

Tank Farm Package

Client

POSCO

Year

2020

Location

Viet Nam

Scope

Engineering – Procurement – Fabrication – Construction – Commissioning

Item

Storage Tank
Spherical Tank

Volume

5,000 m3

Quantity

12 units

Design Pressure

18 barG

Design Code

ASME, Section VIII

Item

Storage Tank
Dome Roof Tank

Volume

14,733 m3

Quantity

03 units

Method

• Hydraulic Jacking
• Automatic welding, vertical/ horizontal
• SAW
• FCAW with welding carriages

Design Code

API 650

Project

Long Sơn Petrochemicals Company Limited (LSP), a company incorporated in Viet Nam, has been established to develop, construct, and operate Viet Nam’s first integrated petrochemicals complex located in Ba Ria-Vung Tau province. The Project will comprise a world-scale grassroots mixed-feed cracker, downstream polyolefins plants (HDPE, PP, and LLDPE), a central utility unit, port, jetty, storage facilities, and other associated facilities.

As the first integrated petrochemicals project in Vietnam, the strategic importance of LSP lies in its import substitution nature to meet Viet Nam’s sustained and fast-growing domestic demand for polymer resins and to enhance the competitiveness of its plastic industry, an important export earner for Viet Nam.

STORAGE TANK

Spherical Tanks are distinctly globe-shaped pressure vessels renowned for their inherent structural strength and uniform stress distribution. Their primary function is the extremely efficient and safe storage of very large volumes of high-pressure gases or liquefied gases, such as LPG, ammonia, and oxygen, with minimal material usage and superior resistance to internal pressure. These iconic pressure vessels are a common sight in petrochemical plants, oil refineries, chemical facilities, and industrial gas production sites, where high-volume, high-pressure storage is paramount.

Fixed Roof Tanks are cylindrical process vessels featuring a permanently attached cone or dome-shaped roof. Their primary function is the secure and static storage of liquids with low volatility, such as water, heavy fuels, or non-hazardous chemicals, minimizing vapor loss and protecting contents from external elements. These robust storage tanks are widely utilized in chemical plants, petroleum refineries, municipal water storage facilities, and general industrial storage applications, offering a reliable and economical solution for bulk liquid containment.

Dome Roof Storage Tanks are a specialized type of fixed roof tank distinguished by their self-supporting, hemispherical, or segmented spherical dome-shaped roof. Their primary function is the secure and efficient storage of a wide range of liquids, especially those with low volatility, offering superior structural integrity against wind and snow loads while minimizing vapor losses and protecting contents from environmental factors. These architecturally distinct and robust storage solutions are widely employed in chemical manufacturing, petroleum refineries, municipal water treatment facilities, and various industrial bulk liquid storage applications, providing reliable and aesthetically pleasing containment for diverse process fluids.

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