Page 29 - CIJ April 2025- Digital Edition
P. 29

COVER STORY








                                                                  Modern duct cleaning systems now
                                                                 incorporate robotic equipment capable
                                                            of cleaning both horizontal and vertical
                                                            ducts. These robots are fitted with cameras

                                                            and sensors to assess the internal condition
                                                            of ducts, detect grease accumulation and
                                                            measure airflow restrictions.”


                                                            Abhay Shukla








                                                   This improvement resulted
                  Addressing Pain                in better thermal control,
                  Points: A Case from a          improved surgeon comfort, and a
                  Hospital OT                    noticeable reduction in airborne
                   One of the key challenges     contaminants. The video recording
                                                 of the duct condition before
                  in industrial and healthcare   cleaning was shared with hospital
                  environments is the tendency to   authorities to demonstrate the
                  evaluate duct cleaning purely   value of the service. (View the
                  in terms of cost. However, the   video: https://www.youtube.com/
                  hidden impact on health, safety,                              in a pharmaceutical plant, which
                  and equipment performance is   watch?v=vZMlOxAE_kM)
                  often much greater than initially   Making the                were unsuitable for robotic access.
                  understood.                                                   A tailored solution combining
                                                                                manual and robotic methods was
                   In a hospital in India, a modular   Right Choice             suggested, which saved costs
                  operation theatre was experiencing   When selecting a robotic duct   while achieving full coverage.
                  difficulty in achieving the    cleaning service, it is important to:
                  required room temperature during   1.  Ask technical questions and   Duct cleaning is not a one-
                  surgeries. Doctors reported       seek detailed explanations of   size-fits-all service. It must be
                  discomfort, and there were cases   the methodology.           customised based on system
                  of infections acquired during                                 design, operational risks and
                  treatment—commonly attributed   2.  Understand the specific   hygiene requirements. Clients
                  to poor air quality.              requirements of the site and   are advised to consult qualified
                                                    system—some areas may not
                   The HVAC design of the OT        require robotic intervention,   professionals to determine the best
                  included four return ducts and one   while others may depend on it   approach for their facility.
                  HEPA-filtered supply. Airflow     for effective cleaning.       Investing in proper duct
                  readings before cleaning were as                              cleaning is an investment in
                  low as 180 CFM, 0 CFM, 70 CFM,   3.  Assess the capabilities of the
                  and 80 CFM across the four returns.   service provider, including the   operational reliability, indoor air
                  Following a combined robotic and   type of equipment used, the   quality and sustainability. With
                  manual duct cleaning process, the   reporting process and safety   the right tools and guidance, even
                  return airflow improved significantly   protocols followed.   the most challenging cleaning
                  to 800 CFM, 700 CFM, 800 CFM     In one case, a client insisted on   requirements can now be met
                  and 600 CFM respectively.      robotic cleaning for narrow ducts   effectively.


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