The authors favor wide sidewalks and suggest providing freeze - proof, tamper - proof water spigots on the exterior for cleaning the walkway and watering trees and plants in front of entrances. (realtormag.realtor.org)
If not, consider setting up a counter with dish washing area outdoors near a water spigot with a large bucket, an ice chest, or cooler on a stand or shelf. (trippalukastyle.com)