The scope of work consisted of the design and construction of civil and building works at the plant’s extension, including architectural, structural, HVAC, public health, electrical power and lighting to all industrial buildings.
The works encompassed the following facilities:
- Ammonia and urea process plants
- Utilities area (power generation, boilers, desalination plant, main switchgear and transformer compounds, condensate treatment, demineralised water storage)
- Three electrical Substations (largest 66kv)
- Urea Storage Hall (420m x 60m clear span)
- Conveyor Belt system
- Blast resistant Control and administration building
- Storage Tank bases (largest 40m diameter) and associated bunds for spill containment; pipe racks and sleeper ways; as well as sea water intake and pump house.
The works also included underground services incorporating 1,500 lm of cable galleries, GRP pipe installations up to 2.3m in diameter necessitating extensive sheet piling and dewatering; 4,000 lm of roads; 65,000 m³ of concrete; 3,000 nos. bored concrete piles and 650,000 m³ of bulk earthworks.
All works were carried out to high specifications and to stringent QA/QC requirements. UK based Sir Alexander Gibb & Partners carried out design works as a subcontractor to MIDMAC.