Cold Link Africa January / February 2020 | Page 15

PROJECT The conveyor belt that the pies come out off after freezing. critical deadline was met. All plant on site is inspected monthly by the original suppliers with Service Level Agreements in place. In terms of refrigeration the requirement for maintenance is actually very low with inspection of gas levels, pipes line, expansion valves and cleaning the cooling tower being carried out monthly. Touch wood, the spiral freezer cooling plant has had less than two hours downtime in more than 12 months since commissioning. CLA INCORPORATING COLD CHAIN Final plant assembly. Owner  Pie City Architect / Designer In House, Pie City Project manager Marc king and Ben Posthumus Mechanical Contractor design Spiral freezer Dale Automation Cooling for spiral Lutz Refrigeration General holding refrigeration Graham Berman Insulated panels Insulated Structures Compressors GEA and Bitzer Spiral Coil Heating Centre Condenser Evapco  Control systems Solenoid and expansion valves Spiral System Carel   Product suppliers GT Consulting Engineers  The fans that blow the air to freeze the pies. The cold store runs at -34°C. COLD LINK AFRICA • Carel EEVs, Danfoss Solenoids Dale Automation All pieces in place on delivery day. January/February 2020   Contractors HVAC Consulting engineer LIST OF PROFESSIONALS Stainless steel evaporator in spiral freezer. From left: Ben Posthumus and Marc King, who run the production facility. www.coldlinkafrica.co.za 15