DUQM Liquid Bulk Berths Project

Sultanate of Oman

Introduction
The Government of The Sultanate of Oman is in the process of developing Duqm town and the Port of Duqm, as a strategic dry dock, free trade zone, industrial and tourism destination. The Port of Duqm is seen as a catalyst for the development of the Al Wusta region. The Port and Dry Dock are being developed to increase the trade; i.e. cargo trans-shipments, ship repair, manufacturing and tourism. The site enjoys proximity to the busy regional sea-lanes of Oman’s coastal waters and is characterized by a friendly climate.
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Location map and mater plan details.
ESC Scope of Supply
ESC was awarded the job to supply 5,046MT of painted LSAW pipe (specification: OD1219, thickness 22mm, length from 13m ~ 24.5m) with material API Spec. 5L grade X60. The LSAW pipe is required to be fabricated in accordance with client supplied project specific specifications. 
Corrosion Protection System
Interzone 505 (Total DFT: 800µm), Surface cleanliness: Sa2.5
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Project Photos

PRE-BLASTING INSPECTION

Visual inspection to ensure no grease and surface quality achieve

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Ambient condition checking

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Abrasive contamination checking

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Abrasive contamination checking

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Shot blasting to ISO 8503 Sa 2.5

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shot blasting
shot blasting

Shot blasting to ISO 8503 Sa 2.5

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POST-BLASTING INSPECTION

Compressed air cleanliness inspection as accordance with ASTM D4285

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Dust purging using compressed air

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Dust test comply with ISO 8502-3 minimum Class 2

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Dust test comply with ISO 8502-3 minimum Class 2

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Check surface cleanliness to ensure comply with ISO 8503 Sa 2.5

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Surface roughness inspection as accordance with ASTM D4417 Method C

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Salt contamination test as accordance with ISO 8502-9

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Salt contamination test as accordance with ISO 8502-9

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PAINTING PREPARATION /PAINTING

Temperature control paint Storage room

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Verification of painting material

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Paint Mixing

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Paint Mixing

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Stripe coat

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Check amount of thinner added

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Paint temperature checking

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Substrate temperature check

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Monitor paint mixing ratio

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Automatic painting

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WFT Inspection

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CURING

Curing room with temperature & humidity control

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Curing room with temperature & humidity control

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Elcometer in curing room

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Elcometer in curing room

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Dehumidifier in curing room

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Heater

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Curing Room Inspection:

  • Ensure humidity <80%, temperature >10°C

  • Ensure pipe stand position located at top <170mm and bottom <400mm

FINAL INSPECTION

DFT inspection as accordance with SSPC PA2

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DFT inspection as accordance with SSPC PA2

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Measuring magnifier inspection

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Adhesion test as accordance with ASTM D3359

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Pipe painting status marking

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DFT Inspection Report

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Climate Inspection Report

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pa 21
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