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REINFORCEKiT® STRUCTURE, Conductor pipe – Middle East
Composite solution for structural repair

Overview

The aim of the job, performed at the end of year 2022 by 3X ENGINEERING (3X) was to reinforce and protect several conductor pipes (up to 20" OD) to prevent further deterioration of these structures. According to the structures specificities, it was decided to perform the repair using 3X composite solution REINFORCEKIT STRUCTURE.

Results

After curing, coating was applied on the composite solution. Samples of resin were taken during each tape impregnation for quality control and hardness measurements were performed to validate the success of the repairs. The structures are now protected with REINFORCEKIT® STRUCTURE from impacts and corrosion issues for 20 years.

Defect type
 Conductor supported platform
Details
 Up to 20" OD
Location
 Middle-East
3X Product type
 REINFORCEKIT® STRUCTURE

SCOPE OF WORK


According to ISO 24.817 standard and 3X calculations, it was determined to apply 6 layers of REINFORCEKIT STRUCTURE made of Kevlar® tape and 3X bi-component epoxy resin (specifically dedicated for offshore environment) to protect each conductor pipe from impacts and corrosion issues. Surface preparation was completed using sandblasting to remove coating and create a good surface roughness (superior to 60µm Rz) and ensure a good bonding between the steel structures and the composite solution. Then hygrometric conditions were checked and prepared surfaces were cleaned before performing the wrapping reinforcements.

  1. First resin layer application: One layer of epoxy resin was firstly applied on the prepared surface to ensure the good impregnation of the first tape layer.
  2. Composite wrapping reinforcement: Composite wrapping was then completed using Kevlar® tape impregnated with epoxy resin. Six layers were applied on each structure with a total repair length of approx. 180m.
  3. Last resin layer application: Last layer of epoxy resin was applied all over the wrappings as finalization stage and ID plate was installed for traceability.
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