Information Gathering for precast detailing from Arch Conc Setout Plan

Here we are going to explaining about the thing needed to focus on ARCH CONC SETOUT PLAN for precast detailing

• Panel Set-out & width:

1. 1. Mostly we prefer to use Precast Set-out from Conc set-out but before proceed with this drawing , we need to raise RFI to Builder to confirm this Drawing need to follow for this entire project.
   2. If panel set-out, dimensions, openings annotate on conc set-out means use that value.
   3. Please look over for special indication that denotes architectural patterns
      

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• Slab RL:

1. 1. SSL value is provided on conc plan with respect to top profile of slab.
   2. Slab step downs/ step up profiles are specified in this plan by its RL values and some special legends
      

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• Slab thickness:
• 1. Some architects, they clearly specify their slab thickness in concrete setout itself but we need to confirm that slab thickness with structural drawings.
     

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• Parapet/spandrels/window &Door RL:
  1. In most of the cases spandrels top RL specify in this plan
  2. In some case, for parapet wall (top of wall)RL should take from this plan
  3. In some case ,sill RL and header RL for window will be given in this plan
  4. In some case ,sill RL and header RL for door will be given in this plan
     

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• Overflow location :
  1. Overflow need to provide at balcony/terrace areas
  2. Location and size of those overflow can be taken from precast panels concrete setout
  3. If overflow location not provided we need to raise TBC for overflow location.
     

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• Slab / wall peno location:
  1. Penetrations are require to provide for varies purposes
     • Service penetrations at slab
     • Service penetrations at wall
  2. These penetration locations and sizes are need to take from this plan as well as elevation.
     

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• Profile Type:
  1. Slab profiles are determined and highlighted in special legend.
  2. Those determined profiles are classified as different types and provide it in a separate drawing
  3. By study those type and legends, sometimes we need take slab step ups/downs values and nominal folding values for slab profile.
     

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• Alimak /loading platforms/ Hoist locations:
  1. Those void locations are helpful in providing breakups and panel erection type
  2. Alimak are type of material transport car, used to transport building materials to all levels. Where alimak is present we can’t erect precast.
  3. If panel locate at alimak/loading platform /hoist, it will affect construction materials transportation.
  4. So some modification on construction process will require at those locations ,precast may also be changed to in-situ and some cases it can be as post –fixing panels
  5. Breakups also need to consider while doing marking plan.
     

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• Pattern Groove Set-out:
  1. Pattern groove set out – some rare case only, architect show pattern groove set out in conc plan. (Mainly refer architect elevation)
  2. If they provided it will more helpful in providing panel breakup, based on groove only we need to provide breakup for panels in continues elevation.
     

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• Ramp profile:
  • Ramp slab: Data’s provided for ramp in two ways
    1. Ramp profile increasing ratio (percentage) will provide between two points, length will be measured between those two points
    2. Starting point and ending point RL’s will provide between two points, length will be measured between those two points
    3. If additional ramp sections provided, then we also need to consider it.

                             Above data’s will provide in conc setout plan. We need to take those data and work it out for exact ramp profile of slab

• Slab boundary line:
  1. For slab boundary line, we need to refer slab extent in conc plan