Lập kế hoạch & Dự toánCâu 310 / 360
On a plumbing plan, what does a "point of connection" (POC) note typically identify?
a.The color of the fixture
b.The paint booth location
c.Where the new piping ties into an existing system or the public utility main
d.The parking count
Giải thích
A point of connection marks where new work ties into an existing pipe or the public main, defining the boundary of the contractor's scope. Locating the POC is critical for planning excavation, permits, and coordination with the utility. Missing or misreading the POC can leave a gap between new and existing systems.
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Câu hỏi liên quan cùng chủ đề
- A two-story building has identical bathroom stacks on floors 1 and 2. The floor-to-floor height is 10 feet. Estimating vertical pipe for one stack from the first-floor drain to the second-floor branch, roughly how much vertical footage should you count?
- A plan symbol shows a circle with the letters "CO" next to a drain line at grade. What does this indicate?
- Why do estimators apply a difficulty or productivity factor to base labor units on some jobs?
- When must a plumbing permit generally be obtained relative to starting the work?
- A single-line water piping diagram on the plans is best described as what?
- When planning the drainage layout, why must roof and storm drainage generally be kept separate from the sanitary drainage system?
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