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Property Descriptionmedium20% of exam

A house built on a concrete slab differs from one over a crawl space chiefly in that the slab house:

Correct Answer

D) Places plumbing in or under the concrete, complicating repairs

Why this is correct: In slab-on-grade construction, plumbing lines (water supply and drain/waste) are typically embedded within or under the concrete slab. This makes repairs or replacements difficult and expensive, often requiring breaking through the concrete. Why the other choices are wrong: "Always costs more to construct" is false; slab construction is often less expensive than building a crawlspace or basement. "Cannot have any perimeter or underfloor insulation installed" is incorrect; perimeter insulation is commonly used. "Is immune to soil movement entirely" is false; slabs can crack due to soil movement. Exam tip: Key drawback of slab construction: inaccessible plumbing. Note this in condition and functional utility analysis.

Answer Options
A
Always costs more to construct
B
Cannot have any perimeter or underfloor insulation installed
C
Is immune to soil movement entirely
D
Places plumbing in or under the concrete, complicating repairs

Why This Is the Correct Answer

Why this is correct: In slab-on-grade construction, plumbing lines (water supply and drain/waste) are typically embedded within or under the concrete slab. This makes repairs or replacements difficult and expensive, often requiring breaking through the concrete. Why the other choices are wrong: "Always costs more to construct" is false; slab construction is often less expensive than building a crawlspace or basement. "Cannot have any perimeter or underfloor insulation installed" is incorrect; perimeter insulation is commonly used. "Is immune to soil movement entirely" is false; slabs can crack due to soil movement. Exam tip: Key drawback of slab construction: inaccessible plumbing. Note this in condition and functional utility analysis.

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