For the purpose of the Washington state public works law, chapter 39.12 RCW, the industrial power vacuum cleaner performs duct cleaning work that normally requires the utilization of a specialized truck or trailer with power vacuum equipment that removes or cleans out mold, fungi, dust and other contaminants from HVAC systems.
* Source removal methods that employ vacuum units and compressed air to loosen dirt and debris in HVAC systems and convey it to a containment device for proper disposal; and
* Work that involves the attachment of the vacuum system to an existing port.
* Removing and installing ceiling sections to gain access to HVAC systems during the cleaning process.
Openings that are created for access and then sealed will utilize HVAC sheet metal rates of wage.
Work utilizing mechanical or hand brushes and other tools to loosen dirt and debris for removal from HVAC systems will use the appropriate general laborer or mechanic wages.
Wash. Admin. Code § 296-127-01334
Statutory Authority: Chapter 39.12 RCW and RCW 43.22.270. 08-23-082, § 296-127-01334, filed 11/18/08, effective 1/1/09.