The maximum weight of an animal that a technician should be able to lift on his or her own would be between 25-35 kilograms. This are standarized numbers which depend on the person/country in question. Some have stricter standards, while others have more loose standards.
Well he would have to set an appointment because he can not just walk in the place an demand to be helped because then he would be in the wrong and his podiatrist would not have to help him