Module 3 – Custodial Activities, Maintenance, Repair and Renovation

Many indoor air quality (IAQ) problems can be prevented through good maintenance and housekeeping. This includes maintaining good sanitation, providing adequate ventilation and using suitable cleaning agents. The third module of the CCIAQB’s Guide for Indoor Air Quality can help managers maintain buildings with IAQ in mind.

7-2The importance of good IAQ is described, along with a list of typical contaminant sources. A checklist is provided that covers the elements of an effective IAQ plan. Effective cleaning procedures are described, covering dusting and dust mopping, entryways, floor and carpet care, restrooms and greenery.

Recommendations are given for selecting cleaning products for various tasks, such as general cleaning, de-greasing and deodorizing. Guidance is given on measuring, diluting and storing cleaning products. Building management practices that can affect IAQ are described. These include janitorial equipment, smoking areas and the storage of hazardous materials. Effective maintenance and cleaning methods are considered for heating, ventilation and air conditioning systems. These include duct cleaning and the replacement of filters.

The impacts of repairs and renovations on IAQ are examined. Guidelines are given for hazardous materials (such as radon and asbestos). Ways to handle problems caused by moisture, such as mould, are discussed. Suggestions are given for selecting adhesives, sealants, paints, carpeting and other materials. A checklist is provided that can be used to track strategies for reducing emissions.

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