Alberta Health has updated their Non-healthcare Workplace Guidance During COVID-19 document. Please find below a link to the revised document as well as a link to their Support for Employers and Employee page which contains this and other documents as well as orders issued.
Non-healthcare Workplace Guidance During COVID-19 document https://www.alberta.ca/assets/documents/covid-19-non-healthcare-workplace-guidance.pdf
Support for Employers and Employee page: https://www.alberta.ca/covid-19-support-for-employers.aspx/