Understanding airborne pathogens in a large office space

Understanding airborne pathogens in a large office space

Overview

A Fortune 500 company wanted to integrate smart sensors in their brand new headquarters in the UK, dubbed the “healthiest building in the world” to provide their employees with optimal indoor air quality and a healthy work environment. They also wanted to create a “self healing” building where early alert systems seamlessly integrate with Building Management Systems (BMS) for automated remediation.

Unlike traditional air quality monitors, Sensio Air's sensor provides continuous, real-time identification of airborne particles, including mould, pollen, dust mites, animal dander and other airborne pathogens. The data streams from the devices, along with personalised recommendations. Integration into the BMS allows for alerts to cleaning teams, or automated running of air filtration systems . This case study explores the unique features of Sensio Air's technology, its ease of use, health benefits, cost savings, and broader applications in commercial properties.

Challenge

Traditional methods of air quality testing are costly and offer only a snapshot of air quality at a single point intime. Facility managers lack a reliable and continuous monitoring solution to detect and mould growth and other airborne contaminants. This contributes to exposing employees to higher contaminants levels but also makes remediation work harder down the line when the damages are extensive.

Solution

Sensio Air's sensor technology uses state-of-the-art patented technology and unique algorithms to identify specific particles. The sensor conducts readings every 20 minutes, providing 24/7 monitoring without the need for consumables or maintenance. Its auto-calibration feature and easy setup make ituser-friendly and accessible.

A total of 20 sensors were strategically placed throughout the office. The installation was performed by the building manager and required nothing but a power outlet and access to the building’s WiFi. The installation sites were specifically chosen to focus on areas with high employee density or high usage.

Sensor Capabilities

Once installed, the sensor provides real-time data for CO2 and VOC levels, temperature and humidity along with airborne particles counts and identification including mould (such as Alternaria, Aspergillus, Cladosporium…), pollen(Cedar, Cypress, Birch, Oak and others…), dust mites, animal dander (cat, dog, rodents…) and mineral particles(soot, sand…)The sensor is linked to a dashboard that allows the building manager to view the information in real-time, to tailor the alert system to his preference and to obtain actionable recommendations for immediate environmental adjustments. When possible, Sensio aims to integrate directly in the Building Management System (BMS) to seamlessly access the Heating, Ventilation and Air Conditioning system for “self healing” building capabilities.

A total of 20 sensors were strategically placed throughout the office. The installation was performed by the building manager and required nothing but a power outlet and access to the building’s WiFi. The installation sites were specifically chosen to focus on areas with high employee density or high usage.

Examples of chosen locations are: meeting rooms, calling booths, coffee station, indoor garden, lobby, reception, and so on…

Results Summary

During the duration of the project, the overall allergens levels of pathogens were mostly low, reflecting the client’s conscientious approach to maintaining a healthy and conducive workspace.

Allergen Levels

Results Analysis

While the overarching allergen levels are notably low, data indicates localised spikes in certain allergens, specifically animal dander, dust mite and pollen, in particular areas—namely, in the “pod seatings" area. Although these instances of moderate levels were isolated, it was imperative to address them meticulously to ensure uniform air quality through out the premises.

Considering the enclosed design, abundant soft materials, and frequent usage of this seating area, numerous conditions converge to create an optimal environment for mite proliferation, including suitable temperature, humidity, and restricted air circulation.

Via the Sensio Air dashboard, the building manager was prompted to take targeted actions to reduce the allergen load in the space. This included simple, actionable recommendations that could be easily implemented and immediately showed a reduction in the particle level detected.

Targeted Deep Cleaning Request

The building manager was able to instruct the maintenance team to focus on areas where allergens accumulated. Avacuum cleaner with a HEPA filter was used to capture fine particles effectively in the pod seatings.

Humidity Control

In some instances, the humidity peaked at 75% in the seating pod. The building manager received a notification to install a portable dehumidifier overnight to keep the humidity below 50% discouraging mold growth and dust mite proliferation.

Air Purification

In all instances, the easiest and fastest way to reduce the allergen load was to temporarily install a portable air purifier - especially in isolated areas that are not well ventilated.

Impact

Health Benefits

Early detection of allergens helps prevent health issues like allergies, asthma, and pulmonary problems; reducing healthcare costs and sick days. It also improves overall well being and productivity of the workforce on-site.

Targeted Remediation

Identifying the types of allergens propagating in the office helps building manager stake specific remediative actions reducing costs , environmental impact and work interference during the repairs.

Cost Savings

The sensor's 24/7 monitoring capabilities offer a cost-effective alternative to traditional air quality testing, which can cost up to $800 for a single assessment. Early detection can also lead to significant savings on remediation expenses.

Sensio Air's sensor technology has a significant impact on improving indoor air quality and public health. By providing real-time, continuous monitoring of airborne particles, it empowers facility managers to take proactive measures to maintain healthy indoor environments and prevent associated health and financial costs. The sensor's ability to identify specific particles sets it apart from other air quality monitors and provides invaluable insights into indoor air quality.

“Sensio Air has not only helped improve our office's air quality but also boosted our team's morale and productivity. It's reassuring to know we're working in a healthier environment.”

- Employee

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