Planning & EstimatingQuestion 500 of 700
You are preparing a critical path schedule. Which sequence of activities BEST reflects proper project coordination for a slab-on-grade building?
a.Frame walls, then pour footings, then run underground plumbing
b.Run underground plumbing, then pour the slab, then frame walls
c.Install roofing, then pour footings, then excavate
d.Paint interior, then set door frames, then rough electrical
Explanation
Work must follow physical dependencies. Underground utilities are installed before the slab is poured, the slab is poured before walls are framed, and rough-in trades precede finishes. Option b follows that logic. Options a and c reverse dependent tasks (you cannot frame before the footing or roof before excavation), and option d puts paint before rough electrical, which forces demolition and rework.
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