RACA Journal February 2022 | Page 53

International Project https :// en . wikipedia . org / wiki / K % C3 % B6ppen _ climate _ classification )

Figure 1 : The Köppen climate classification .

MODELLING WSP modelled the MEPF systems in Revit , which is a modern building information modelling software for architects and engineers , designers and contractors and developed by Autodesk .

Revit allows designing and coordinating the MEPF system components in 3D , annotates the model with 2D drafting elements , and accesses building information from the building model ’ s database .

ABOUT THE AUTHOR Pieter de Bod ( Pr . Eng .) is an accredited LEED BD + C and Green Star Professional and is currently working at WSP in Dallas , Texas , US . RACA

Construction commenced in mid-2019 and final completion was achieved towards end 2020 .

The new Medical Office Building in Mansfield , Texas .

Construction of the HVAC system . Observe the VAV boxes sealed off to prevent dust from entering the system .

CHALLENGES Some of the major challenges on this project included the space constraints with limited ceiling where the contractor had to fit VAV boxes and ducting . However , all challenges were easily overcome through the regular multi-disciplinary coordination sessions that stimulated open communication between all the professionals involved .

Another challenge , especially for the contractor , was to test and balance and commission the HVAC system to ensure that design parameters were achieved .