A flat bottomed storage tank is a commonly used container for storing liquids or gases, with a flat bottomed structure. It is usually made of metal materials, such as carbon steel, stainless steel, etc.
The classification of flat bottomed storage tanks can be based on different standards, and the following are some common classification methods:
1. Classification based on purpose: Flat bottomed storage tanks can be divided into storage tanks for liquids and storage tanks for gases. Liquid storage tanks are usually used to store liquid substances such as petroleum, chemicals, and food, while gas storage tanks are used to store gas substances such as liquefied gas and natural gas.
2. According to structural classification: Flat bottomed storage tanks can be divided into fixed storage tanks and mobile storage tanks. Fixed storage tanks refer to tanks installed in a fixed position and are generally used for long-term storage of substances. Mobile storage tanks refer to tanks that can be moved and are typically used for temporary storage or transportation of substances.
3. Classification based on shape: Flat bottomed tanks can be divided into circular tanks and square tanks. Circular storage tanks are usually used to store large amounts of liquids or gases and have a large volume. Square storage tanks are usually used to store small amounts of liquids or gases, and are suitable for places with limited space.
SCOPE OF WORK
Mechanical and Fabrication guarantee
Design including strength calculation (including erection condition) stress analysis and detail design based on applicable Codes, Local Regulation, Project Specifications and Standards
Thermal Design (Thermal Rating)
All technical certifications required for design work as per local regulations
Stability check (during transport, lifting and hydrostatic test) and loading data for base design
Structural analysis for main body and its support for operation load
Material procurement
Material Test and Certificates as per applicable Code and Specifications
Manufacturing
Post weld heat treatment as per code and specification
PMI (Positive Material Identification)
All NDEs as per Project Specification
Welding procedure qualification test
WPS & PQR
Welder performance test
Hydrostatic test at BlDDER shop as per Code & Local Regulations, Specifications.
Installation work for vessel internals supplied by Bidder
External surface preparation and painting as per Specification
Packing and marking as per project specifications
Preservation during transportation and storage (Including Seaworthy packing for oversea manufacturer)
Internal protection from moisture: N2 Charge
All activities to meet requirements of Data Sheets, Specifications, Codes and Standards, Local Regulations
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