i'm marselle, and i manage a team at the building department.ay, we'll cover the meaning of a.d.u.s, more commonly known as accessory dwelling units. we'll talk about the code and permitting processes, and we'll also talk about legalizing existing dwelling units that are currently unwarranted. >> this is the department of building inspection's residential remodelling workshop. my name is senior electrical inspector cheryl rose, and at this workshop, we're going to be answering questions such as do i need an electrical permit when i'm upgrading my dwelling, when do i need to have planning involved in a residential remodel, and what's involved with the coerce process? we're going to also be reviewing inspection process, and the permitting process for residential remodel in san francisco. there's always questions that need answers. it's a mystery to the general public what goes on in construction, and the more we can clarify the process, the more involved the consumer can be and feel comfortable with the contractors they're working with and the pro