The Water Manager | Phigenics

Raising Awareness: Water Safety During Construction Activities

Posted by Molly M. Scanlon, PhD, FAIA, FACHA on Apr 6, 2018 4:16:48 PM

Molly Scanlon_head shot-06-23-2017

Molly M. Scanlon, PhD, FAIA, FACHA is an Environmental and Occupational Health Scientist, as well as a licensed and certified Healthcare Architect currently working with Phigenics as the Director of Research and Innovation. She has more than 25 years of planning and design experience for healthcare settings to create environments benefiting the health, safety, and welfare of patients, nurses, physicians, and staff. Dr. Scanlon is serving as: an adjunct faculty member at the University of Arizona – College of Public Health; an appointed member of the American Institute of Architects Design and Health Leadership Group; a Fellow in the American Institute of Architects; and a Fellow in the American College of Healthcare Architects.                                                                             

Healthcare facilities with concerns about immunocompromised patients have been early adopters of water safety standards to maintain a healthy built environment. With the Centers for Medicare and Medicaid (CMS) publication of Memo 17-30, healthcare facilities (acute care, critical access hospitals, and skilled nursing facilities) will need to survey their facilities for water safety not only for existing buildings, but also before construction begins for renovations, additions, or modifications to existing buildings, and prior to occupancy of a new building. 

This is a lofty goal when there has been minimal training of facility management and infection preventionist professionals about the dangers of construction activities impacting waterborne pathogens and ensuing disease in patient care settings. In addition to identifying the hazards, there has been minimal effort and a lack of understanding about establishing hazard controls, locations for controls,monitoring procedures, control limits, and corrective actions, as well as the necessary verification and validation procedures. 

const 2The path forward to mitigate waterborne pathogens associated with construction activities may lie in examining the changes healthcare providers experienced for the protection of patients during construction activities associated with toxic airborne pathogens through the development of Safety Risk Assessments (SRAs) – also commonly referred to as Infection Control Risk Assessments (ICRAs).

The Center for Disease Control and Prevention (CDC) suggests 35% of issues concerning water safety in buildings comes from sources outside of the building owner’s control, citing compromises to the municipal water system in the form of water main breaks and construction. Soil from water main breaks and construction sites can introduce sediment and other materials into the water supply. Sediments are nutrient for the growth of biofilm – a slimy layer in pipes in which pathogens can live and proliferate in the water supply. Key high-risk construction activities associated with Legionellosis cases and outbreaks include: structural foundation excavation, time delays between building commissioning and owner occupancy, re-pressurization of water lines, vibration from pipe cutting or excavation, and dust control.

Click here to read the full article in ASSE International’s Working Pressure.

Topics: legionella, ASHRAE Standard 188, CDC Legionella Standards, water management programs, ICRA, Water Safety, Research & Innovation, Working Pressure Magazine



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