The purpose of modularization is to deliver a complete prefabricated modular process at the End-User's site in order to minimize site works. A Modular Unit is composed of several interconnected Pre-Assembled Unit (PAU) and large loose equipment.
Each PAU is composed by several transportable modules. The fabrication of these modules is performed in a workshop, or yard, remote from the final project site and equipped with suitable manufacturing facilities and qualified personnel. Before shipping, trial-assembly is performed to ensure the mechanical fit. At the same time, some pre-commissioning activities (instrument/elec/hydrotest…) are carried out. After de-assembly, modules are delivered by ship, truck or train and re-assembled on site.
The delivery of a Modular Unit is a key choice in the following contexts
Remote areas
With shortage of qualified manpower, and lack of erection and construction resources (cranes, tools, warehouses, shops, etc)
Extreme climate
Where work efficiency is greatly affected by seasonal weather,
Lack of labor quality and availability
Offshore sites
Where on-site manufacturing is hardly possible and plot area optimization is compulsory
Existing plants
Where on-going operations are an obstacle to safe on-site construction
Security concerns
Places where letting site access open to workers and trucks is a security concern
TotalEnergies Antwerp Refinery Off-Gas Project - A Modular Approach
Services
Axens is dedicated to provide a wide range of value-added services including: technical assistance during modular unit reassembly on site, start-up & commissioning assistance, training, spare parts management, online remote monitoring, troubleshooting or revamping.
Resources
Case Study - Successful start-up of a Sub-dewpointing Sulfur Removal Technology
Technical Article - Advantages Of Modular Construction For Small Scale SRU In Harsh Climates
A South East Asia Offshore Showcase: MEG Reclaiming on a Floating Production Unit
Modules: the Solution for a Successful Offshore Natural Gas Project
Case Study - Successful start-up of a Sub-dewpointing Sulfur Removal Technology
Read moreTechnical Article - Advantages Of Modular Construction For Small Scale SRU In Harsh Climates
Axens Selected for the CO2 Dehydration Package of the CO2 Sequestration and Export Facilities Project at Ras Laffan, Qatar
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