Lập kế hoạch & Dự toánCâu 273 / 360
For a slab-on-grade house, which sequence of plumbing inspections is correct?
a.Final, then rough-in, then underground
b.Underground (groundwork), then rough-in/top-out, then final
c.Rough-in, then underground, then final
d.Only a single final inspection is required
Giải thích
Work is inspected in the order it is buried or concealed: underground drains under the slab first, then the rough-in/top-out once walls are framed, and finally the trim-out when fixtures are set. Each stage is a hold point that must pass before the next is covered. Sequencing inspections wrong causes failed or missed approvals and rework.
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