Project History

Total North Alwyn – AHU Replacement FEED Study

During our recent offshore survey of the North Alwyn platform, we successfully addressed persistent pressurization problems in the living quarters. Additionally, to support Total’s planned replacement of the main AHU, we conducted a comprehensive analysis of available options, providing detailed information to aid their decision-making process.

Our scope of work encompassed a thorough design review of both the D07 and ALQ modules. We meticulously evaluated replacement methodologies and presented a detailed budgetary cost analysis for each option, enabling Total to make an informed choice.

Ensco 101 – Replace Coolroom Floor

Catering staff expressed concerns about excess water under the walk-in chiller floor. We promptly addressed the issue by removing the old floor, thoroughly disinfecting the area, and installing a new floor with reinforced supports to prevent flexing. Additionally, we disinfected the evaporator coil and installed a new drainage system.

Ensco 72 – Installation of X3 New Air Conditioning Units In The SCR Room

To ensure adequate cooling in the SCR Room, especially during demanding drilling operations, we installed three twin-circuit air conditioning systems. This upgrade provides a robust cooling solution with six total circuits, guaranteeing uninterrupted operation even if one circuit fails.

Ensco 72 – Pressure Testing & Commissioning Accommodations HVAC System

The air conditioning system in the accommodations was experiencing frequent short cycles due to insufficient refrigerant. We conducted a thorough inspection, including a complete refrigerant removal and pressure testing of each circuit. During the service, we replaced the compressor oil, filter drier cores, and suction strainers. We discovered significant oil contamination in one compressor and performed a thorough cleaning process. After repairing all leaks, we carefully commissioned each circuit, configuring the main controller, testing the unloader operation, and adjusting the thermal expansion valves for optimal evaporator coil efficiency. 

Ensco 72 SCR Heat Load Analysis (Ensco) – Denmark

To address the overheating issue in the SCR room during intense drilling operations, we conducted a thorough heat load analysis. The analysis revealed that the existing air conditioning units were underpowered by a significant margin. We are currently procuring new units with double the cooling capacity and plan to install them in March 2024. This upgrade will ensure optimal cooling performance even under the most demanding conditions.

Ensco 70 SCR Air Conditioning Repairs (Ensco) – North Sea UK

The SCR room air conditioning units were in a state of disrepair, exhibiting various faults and failures. This led to the shutdown of the main distribution panels, necessitating urgent repairs.

Responding to an emergency callout on the Ensco 70, we promptly mobilized our team. Within three days, all three air conditioning systems were repaired and commissioned. Notably, normal room temperatures were restored within eight hours of our arrival on site. 

Ensco 80 Galley Freezer Room Faulty (Ensco) – North Sea UK

Due to a failed compressor in the main galley freezer room, which resulted in significant product loss, we were urgently called to the Ensco 80. While we managed to temporarily repair the system, a new compressor was necessary. Given the unit’s specialized power supply (260v/3ph 60Hz), we arranged for a replacement to be manufactured in the United States. Following a 12-week production period, we anticipate installing the new compressor in February 2014. 

Ensco 80 Living Quarters & SCR Room AC Service (Ensco) – North Sea UK

To ensure compliance with Offshore F-Gas Regulations, we conducted a comprehensive service and maintenance check on all air conditioning systems. We identified and addressed necessary repairs for seven refrigeration and air conditioning units, ordering required materials. Follow-up maintenance is scheduled for February 2014.

To minimise downtime in case of emergencies, we conducted a risk analysis to determine essential spare parts that should be kept on board. 

North Alwyn Alpha & Bravo Platforms (Total E&P UK) – HVAC Design Review & 3D Modelling

Tradewinds Engineering was directly contracted by Total E&P UK to conduct a comprehensive design review of the HVAC and refrigeration systems on the North Alwyn Alpha and Bravo platforms. We meticulously calculated heat loads to ensure that the existing chillers and ventilation systems could meet the current cooling demands.

To enhance understanding and visualization, we’ve created detailed 3D models of all HVAC systems. These models include both architectural and ductwork drawings, providing a comprehensive graphical representation of each system’s layout.

North Alwyn Alpha & Bravo Platforms (Total E&P UK) – HVAC Condition Survey & Upgrade Report

As consultants, we conducted an offshore survey to assess the need for R22 refrigerant replacement in the client’s cooling systems. We created an F-Gas equipment register and developed a strategy to either retrofit or replace the existing equipment. Additionally, we conducted airflow measurements to compare actual and design conditions, identifying areas for improvement.

Our report included an evaluation of each piece of equipment’s condition and recommendations for extending its operational life by an additional 20 years.

Elgin Platform (Total E&P UK) – Galley Refrigeration Survey

To optimise the refrigeration systems in four chill rooms and three freezer rooms on an offshore platform, we conducted a thorough survey. Our analysis identified areas for improvement and potential upgrades. Based on these findings, we developed a comprehensive proposal to supply and install new ATEX-rated refrigeration equipment. This upgrade would enhance efficiency, reliability, and energy consumption while ensuring compliance with industry standards.

Baku (Tyco FIS UK) – End client is BP – Build of Mobile Training Module & Provision of HVAC training

We successfully deployed one of our MTU20 mobile training units at the BAKU terminal in Azerbaijan, empowering local engineers with our comprehensive HVAC training courses. This initiative enabled us to elevate the skills of eight local engineers, transforming them from basic-level technicians to competent HVAC professionals.

By providing on-site training, we were able to tailor the curriculum to meet the specific needs and challenges of the Baku terminal’s operations. Our expert trainers guided the participants through hands-on exercises, simulations, and theoretical instruction, ensuring a comprehensive learning experience.

This training initiative not only enhanced the skills of local engineers but also contributed to the overall efficiency and productivity of the Baku terminal’s HVAC systems. By investing in the development of local talent, we helped to strengthen the HVAC industry in Azerbaijan and support the growth of the region’s infrastructure.

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Borgsten Dolphin (Dolphin Drilling)

We were contracted by Borgsten Dolphin (Dolphin Drilling) to commission the ventilation systems for their newly added living quarters and heli-lounge modules. Our scope of work included conducting thorough pre-commissioning and final commissioning checks to verify that the systems were installed and operating according to design specifications.

By meticulously examining each component and performing functional tests, we ensured that the ventilation systems were ready to provide optimal air quality and comfort for the occupants of these newly added spaces. Our expertise in ventilation system commissioning played a crucial role in ensuring the successful operation of these critical facilities.

DeKastri Storage And Offloading Facility (Exxonmobil) – Sakhalin Island, Russia – Project Supervision, Service & Maintenance

During our commissioning of the DX refrigerated cooling systems for ExxonMobil, we encountered significant challenges due to the substandard installation of the existing pipework. The pipework was not only poorly installed but was also three times larger than specified in the design drawings.

To address these issues, we undertook a complete replacement of the pipework, ensuring that it was installed correctly and conformed to the design specifications. Rigorous pressure testing and evacuation procedures were then implemented to eliminate contaminants from the system.

Once the system was clean and ready for operation, we charged it with R407c refrigerant and conducted a thorough commissioning process. This included testing all components, verifying system performance, and documenting the entire process.

Through our expertise and diligent efforts, we successfully overcame the installation challenges and delivered a fully functional and efficient DX refrigerated cooling system for ExxonMobil. Our commitment to quality and attention to detail ensured that the system met the highest standards of performance and reliability.

Orlan Platform (Exxonmobil) – Sakhalin Island, Russia – Commissioning, Service & Maintenance

We provided comprehensive HVAC services for the Orlan Platform on Sakhalin Island, Russia. Our responsibilities encompassed the entire range of HVAC equipment, from provisions refrigeration systems and air handling units to fire dampers and hazardous area ventilation.

Key services included:

  • Equipment upgrades: Identifying and implementing upgrades to enhance equipment performance.
  • Maintenance scheduling: Integrating maintenance schedules into the IPES/SAP system for efficient planning and execution.
  • Spare parts management: Creating recommended spare parts lists and bills of materials.
  • PLC upgrades: Supervising PLC upgrades and developing new strategies, procedures, and function tests.
  • HVAC system optimization: Implementing improvements to the shaker room, main air compressor room ductwork, and overall HVAC performance.
  • Regular reporting: Providing regular updates on the status of HVAC equipment and recommending improvements.

Our expertise and commitment to excellence ensured the optimal operation of the Orlan Platform’s HVAC systems, contributing to the overall efficiency and reliability of the facility

 

    Bayu Undan (Conoco Philips) – East Timor Sea – Service & Maintenance

    We recently completed a successful three-week project on an offshore platform, providing comprehensive maintenance services for nine Carrier chillers and replacing a compressor. Our team of skilled technicians diligently serviced and optimized these critical HVAC systems, ensuring their continued reliability and peak performance in the demanding offshore environment.

    FPSO Dalia (Total) – Singapore to Mozambique

    Our HVAC Engineer was sent to Singapore to join the second leg of the voyage on board the FPSO Dalia. Our role was to commission the DX refrigerated cooling systems for the Electrical Substations and advise the Siemens PLC technician on the correct operating strategy for this type of system. We worked rigorously to build trends on the HMI and ensure the systems were working as efficiently as possible. The units were skid mounted McQuay Screw compressors with a common dual compressor arrangement for duty and standby operation. These then connected to a common evaporator coil with the air-handling units. A lot of time was spent working on the loading cycle to ensure the compressors were run as efficiently as possible.

    LINC’s Wind Farm – Grimsby, UK (Siemens/Centrica)

    We have carried out service and repairs to both the air conditioning systems on the main transformer platform at Linc’s Wind Farm. This has now turned into a service and maintenance contract allowing 3 monthly visits to be carried out. All mandatory F Gas leak checks and documentation have been set up to allow our client to conform with the latest F Gas Regulations.