ADU Construction in Santa Clarita
Santa Clarita ADUs drawn for the city's structural review and, where a lot is mapped, for ember-resistance rules too. Aspenwell Construction.
What the Santa Clarita plan reviewer wants from a backyard unit set is a clear account of two things: how the building stands up to shaking and how it holds off embers. Some ground in Santa Clarita is mapped for fire hazard, and a build on a parcel in those areas can owe ember-resistance details on top of the structural check. The reviewer reads the shear wall layout and footing design, then the roof, vent, siding and window notes.
The structural pages
Calculations from the engineer sit behind every braced wall, beam and footing on the drawings, and the City of Santa Clarita's building staff check that the numbers and the plan agree. Each shear wall has a mark, a nailing callout and a hold-down at both ends. If the yard slopes, a soils report usually joins the set and the footings may step down with the grade, which the reviewer follows line by line. Drainage gets drawn as well, since water pooling against a footing softens the soil it bears on.
Notes for a mapped parcel
Inside a mapped area, the roof is a Class A assembly, attic and underfloor openings take ember-resistant vents, and the exterior wall covering is noncombustible or ignition-resistant from the foundation to the roof. Eaves are enclosed, and windows are multipane units with a tempered pane or listed assemblies. A deck or stair fastened to the unit falls under the same rules. These notes go on the drawings before submittal, and each one is something the inspector will look for on site.
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On level ground, a reinforced slab with deepened edges is the starting point. Where the yard falls away, the engineer may step the footings or carry part of the floor on a raised frame over stem walls. Whatever the type, the soils findings set how deep the concrete goes and how much steel it holds.
A garage poured with a full perimeter footing may need only new anchors and some added bracing. One sitting on a thin slab edge needs new concrete under the walls that will be braced. We check the edge and the wall framing on the first visit, so the answer comes with the scope.
The package covers one-story units of 500 square feet or under, freestanding, attached or built inside an existing garage. On a mapped Santa Clarita parcel the exterior wall sheet does a lot of the work, carrying the roofing, vent and siding notes the ember rules ask for.
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Describe the house and what it needs. We look at the structure first and send the quote in writing.