WAC 365-210-100. Manufactured home on-site work and equipment installation—Manufactured home installer certification required

On-site work or equipment installation work which falls within the scope of installation as set forth in RCW 43.63B.010 (6) may not be performed on a manufactured home at any time after the initial installation of a manufactured home without the supervision of a certified manufactured home installer. On-site work and equipment installation work may not be performed until a permit for such work has been issued by the local enforcement agency. On-site work and equipment installation work must be inspected upon completion by the local enforcement agency in the same manner initial home installations are inspected. On-site work and equipment installation work include, but are not limited to: (1) Releveling a home such as installing all new pier blocks or footings; (2) Complete skirting replacement; (3) Installing earthquake resistant bracing systems; and (4) Any other work described in RCW 43.63B.010 (6). On-site work and equipment installation work does not include routine maintenance or other routine repairs such as periodic adjustments to piers, replacement of a damaged pier, or skirting repair.