Perform custodial duties which include, but are not limited to, wet and dust mopping, dusting, trash removal, recycling, window washing, assisting with meeting set up, vacuuming, and general cleaning as requested or needed. Perform essential custodial duties in facility which may involve but not limited to the following activities: semi - reaching to full-reach overhead; crouching; kneeling; shoveling; twisting of the waist, shoulders, and legs; and lying on stomach and/or back.