Project Overview
The TTS Engineering Marine Department completed a safety-focused modification to a CuNi 90/10 HPSW bottle spray system. The project involved relocating the operating arrangement to improve personnel safety and accessibility.
The existing system configuration presented opportunities to improve how operators interacted with the equipment. The revised design aimed to reduce exposure to potential hazards during normal operation, isolation and maintenance activities.
The team completed the project within a one-week programme. A key requirement was to finish all work before the vessel’s scheduled departure date.
Project Objective
The main objective was to improve personnel safety through a change to the existing system design.
The new arrangement needed to provide better access for operators and allow safer interaction with system components. This applied during normal operation as well as isolation and maintenance activities.
The modification also supported safer working practices while maintaining the required operation of the HPSW bottle spray system.
Once the team agreed the revised route, they isolated the existing system and verified that the lines were safe before starting work.
Project Detail
System Isolation & Preparation
Before starting the modification, the team isolated the system and verified that all lines were safe to break into.
They then removed the redundant pipework and prepared the work area for the new route. This allowed the team to begin modifying the existing system safely.
CuNi Pipework Fabrication
The team tied the new pipework into the existing system using a new welded fitting. They fabricated new pipe sections to suit the revised route and used TIG welding to complete the joints.
The work required a combination of hand tools, power tools and TIG welding equipment. A portable scaffolding tower also provided access to the work area.
External Welding Challenge
One of the main challenges involved completing part of the welding externally and in position. This was necessary to connect the newly fabricated pipework to the existing system.
External conditions can affect the stability of the welding environment. To control this, the team established a temporary welding enclosure around the work area. The enclosure prevented wind ingress and provided more stable conditions for the welding process.
Testing & Verification
Following fabrication and installation, the team carried out hydrostatic testing on the modified pipework.
The team also completed a final system test after finishing the installation. These checks verified the completed modification before the system returned to service.
Project Outcome
The team completed the modification as planned and before the vessel’s scheduled departure date.
The revised arrangement improved access to the system and supported safer interaction during operation, isolation and maintenance activities.
The project demonstrates TTS Engineering’s ability to combine marine pipework fabrication, TIG welding, controlled testing and practical safety improvements within a time-critical delivery programme
