Plumbing
 
Airconditioning
 
Industrial
 
Underfloor-Heating
 
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27 May 2009:
Issue 17


Green Point Stadium

Harbour Bridge Hotel

The One & Only


Projects


Industrial
Situated in Riyadh, Saudi Arabia this centralized dry goods warehouse and freezing facility for one of the biggest supermarket chain groups in the Middle East required the installation of a glycol heater mat. Positioned underneath the 2900m² slab structure of the -30°C deep freezer room, it heats up the ground below to prevent the formation of frost underneath the slab. Reject heat from the refrigeration plant compressors is extracted via a plate heat exchanger and then dissipated into the freezer slab sub base by means of 25mm eval-Pex pipes totalling a length of 10 000m. Equal heat dissipation throughout the entire network was achieved by means of a Pex-a reverse return header configuration in the plant room. A 4-port stainless steel manifold system is used in pairs in order to optimize the installation. Initial start-up training to the local contractor was done by Afripex as well as progress based site visits and reporting. Engineering support was offered by Afripex as well.  
   
 
   This project entails 6800m of 25mm eval-pex pipe coiled underneath the slab of a 2000m2 -30degC deep freezer room in
 
   Industrial Application Heating application for accelerated concrete curing.
 
   Underfloor heating installation - 6000sqm
 
   Industrial Application Pipes installed in concrete slab in a closed loop system. During the process the water