PDD - how deep does it go?
Hi NCARB community!
In order to put my study plan together, I am trying to figure out to what extent all engineering disciplines are covered. Here are some more specific questions that may help me clarify the question. Most of these are for modules 1.2/1.3 Determining the size od MEP and structural components:
Do I need to size air ducts, grills diffusers, etc. or I merely need to determine the overall capacity of the AHU? I am pretty sure that ACH to CFM convection will be covered.
Do I need to actually pick the structural member and perform all checks for bending, momentum, sheer based on the loading?
In the case of reinforced concrete, will candidates be expected to determine the area of reinforcement (sq.in) or just something like the overall configuration of rebars in the beam, for example?
At the connections do I need to actually make the checks for weakened cross-section (where bolts are) or I need to just know the basic concepts?
Usually, engineers perform these complex and time-consuming tasks, but the handbook is written as if these items will be covered by the exam.
Thank you for the clarification!
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Evgeni,
I am offering you my personal experience only with the PDD test - others may have had different experiences so please take this as one person's experience.
I had ZERO questions dealing with the level of difficulty that you describe above. ZERO.
Know how to calculate the moment about a point - yes, I had to do that.
I had no questions about sizing MEP systems.
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This test is a beast that touches on literally every topic related to architecture, but you don't have to dig too deep on much of it, especially the engineering portions. I borrowed MEEB from someone in my office and skimmed it, selecting only the most basic equation of any given section to study. I also used Architect's Studio Companion and Ballast for these sections.
Some of the topics covered:
Structural overturning, moment
Coefficient of thermal expansion (memorize it for steel)
Elevator energy
Duct sizing based on ACH or CFM
Lighting calculations
Acoustics design
HVAC, Plumbing, and Electrical system layout and sequencing (and know the symbols on those drawings)
Sprinkler effect on fire code
Amps, volts, watts
Plumbing pressure calcs
Drain inverts
Know a lot about pipes, their materials, diameters, uses
Rebar concrete coverage in a member based on where it isThere is a healthy mix of visual/design interpretations of these systems and the equations themselves.
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