Aimeliik Cargoline Replacement Project
Engineering Design
EPES in partnership with Endeavour Inspection Services (based in Guam), undertook the detailed survey and engineering design for replacement of the replacement of the existing 12” cargo pipeline enabling diesel fuel transfer from the jetty to the Power Plant tank farm in Aimeliik, Republic of Palau. The existing pipeline was showing signs of excessive corrosion and undermining of supports.
Scope of the technical services included:
- Civil and structural design works for new sea retaining wall and pipeline supports
- Detailed engineering design to ASME piping codes for the replacement of the existing transfer pipeline and waste oil pipeline
- Detailed survey of the existing transfer pipeline between the Jetty and the storage tank nozzles within the Tank Farm
- Replacement of spill booms, hose reels and interfaced valving arrangements
Project Information
Location: Aimeliik, Republic of Palau
Client: Palau Public Utilities Corporation
Engagement: Detailed Design Consultant
Sectors: Industrial, Oil and Gas
Services: Commissioning Assistance, Construction and Design Consulting, Digital Engineering, Petroleum Engineering, Piping Engineering, Specialist Analysis
Year: 2017
The Problem
The existing pipeline was commissioned in 1983 from bare carbon steel piping and was showing extensive evidence of severe corrosion from exposure to seawater both internally and externally. Due to its exposed coastal location, significant undermining of supports from wave action was also evident.
Given the age and location of the existing facility, very little documentation was available to understand the design of the existing pipeline. Quality control of procurement and construction works is also a challenge in this region.
Analysis and Implementation
EPES with EIS undertook significant surveying works of the existing pipeline, geotechnical conditions and ground levels along the pipeline alignment. This was necessary due to the absence of original design documentation.
We then undertook detailed engineering design with a key focus on simplifying the construction process and addressing further risk of corrosion by specifying coating technologies suitable for the exposed environment.
Design documentation including 3D model, plan drawings and Technical Specifications were prepared in combined SI/Imperial units to aid in communication with local Contractors and Clients. EPES also offered technical advice in maintaining quality control and supervision of the procurement and construction works.
Outcome
EPES were able to deliver a high quality and detailed set of design deliverables that assisted the Client in tendering and controlling the Procurement and Construction works. The Client can rely on high quality documentation with an emphasis on ensuring that construction works is completed with a high degree of commercial control.
Good quality documentation and diligent preparation of design in brownfield environments offers a high level of commercial control (i.e. de-risking).
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