EASTERN PROJECTSCAPE 2023DIRECTORY OF COMPANIES
2023 Projects RACA Journal
JANUARY
GOING GREEN WITH COMBINED NATREF SYSTEM SOLUTION
ACS Consulting Engineers ( ACS ) were appointed by Massmart to design the HVAC , refrigeration , plumbing and drainage aspects for their new store in Parsonsvlei , Gqeberha . The twist of this particular facility was the requirement for a design to combine the HVAC and refrigeration systems onto a set of common CO 2 chillers / packs using twostage transcritical booster packs with parallel compression operating above and below the critical point of 31 ° C and above the triple point of 38 ° C , and , at high compressor discharge pressures between 7 500-10 000Kpa as the heart of the two systems .
Image credit : ACS Consulting Engineers
FEBRUARY
IMS AND ‘ PROJECT X ’
‘ Project X ’ was a new precinct of five multi storey buildings in the heart of Gaborone . The control system of choice was the Distech Eclypse range of IP controllers , using EC- Net4 with Envysion as the Supervisory and Visualisation software . The control system uses Distech Controls engineering tools : Builder HVAC application and programming tool XpressGFX I / O configuration tool and XpressNetwork Utility for configuration and commissioning . Eclypse was deployed throughout phase one of this project , monitoring and controlling relevant mechanical and electrical systems .
Image credit : IMS
MARCH
PRETORIA CBD RETAILER GIVES 50-YEAR-OLD HVAC A REFURB
Metro Home Centre in Pretoria CBD occupies an older building with an HVAC system dating back to the mid-1970s that was in a need of refurbishment , as the building had no fire protection or smoke ventilation at any level . Fire detection and sprinklers have been installed throughout the building . The VRF heat recovery system was implemented in the new offices and a heat pump rooftop unit was selected for the new retail levels as an energy efficient solution .
Image credit : RACA Journal
APRIL
NEW R4BN OCEANS MALL UMHLANGA GETS CHILLED WATER PLANT
The R4-billion Oceans Umhlanga development design brief was to design a central chilled water plant similar to that of a district cooling plant that would service the various buildings as part of the development . This required multiple chillers , each with standby and duty pumps sets . Efficiency and space requirements played a major role in the selection of the chilled water system .
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Image credit : RPP KZN Consulting Engineers
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