Monday''s Ask the Experts question from a cleaning professional on the International Custodial Advisors Network (ICAN) "Ask the Experts" page: How many sq. ft. of carpet can one person clean in an hour with a Whittaker machine at a normal pace?
Much will depend on the soiling of the carpet which will be determined by the frequency of interim cleaning. Whittaker say light soiling encapsulation can be done at a rate of 3000 to 4000 sf/hr. Medium soiling slows to 2000 to 3000 sf/hr, and heavy soiling (restorative cleaning) will move at the same pace, but with hot water extraction added at a rate of 500 to 900 sf/hr. The recommended operation includes an initial damp spray with the encapsulating solution, working it in and ... — Lynn E. Krafft, ICAN/ATEX editor
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