ADU Construction in West Hills
West Hills ADUs placed by the overhead service drop and the house panel, with feeder length, wire size and meter options set first. Aspenwell Construction.
The overhead service line feeding a West Hills house marks out ground a backyard unit cannot use. Code keeps a clearance between those wires and any roof, so a unit set beneath the drop would need the line raised, moved or buried. The panel that line feeds matters as much: its capacity, and how far a new feeder must travel to reach the unit, shape where the footprint can go.
Feeder length and wire size
A longer feeder needs heavier wire to keep voltage steady at the far end, and heavier wire fills a larger conduit and costs more per foot. Setting the unit nearer the panel shortens that run. If the house panel lacks room for a breaker of the size the unit needs, the choice becomes a panel upgrade or a separate meter for the unit, which the utility must approve. We read the panel label and count spare spaces before any footprint goes on paper.
Moving the drop underground
When the drop crosses the yard where the unit belongs, the line can often be taken underground. That work begins with the utility, which sets the route, the conduit size and the burial depth, and it ends with a new meter base on the house. The trench runs near the new footings, so its path is drawn to stay out of the soil those footings press on. Sharing one trench between that service conduit and the unit feeder can save digging the yard twice.
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ADU Construction in West Hills: questions
West Hills units on stable, level soil rest on a reinforced slab with a thickened rim in most designs. Conduit for the feeder enters through a sleeve placed before the pour. The engineer sets footing depth and steel from the shear walls above and from any soils report.
Yes, where the concrete under the bracing walls is a true footing of adequate depth. A garage close to the house panel also keeps the feeder short. Shallow or missing footings along walls that will brace the room get new concrete sections before framing begins.
A West Hills ADU is covered while it stays a one-floor building of 500 square feet or less, standing alone, attached, or converted from a garage. The site plan for this lot shows the service drop, the panel and the feeder route. Plans beyond that size are sized up against the lot first.
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Book an inspection in West Hills
Describe the house and what it needs. We look at the structure first and send the quote in writing.