What information is required for a detailer to provide adequate shop drawings for panels?

  • A complete set of plans and specifications.
  • Customer preference of insert type and size.
  • The size of crane and spreader bars to be used.
  • The contractor's special preference in choice of crane rigging.
  • If strongbacks are required, the contractor's preference as to the use of reinforcing steel or external strongbacks and what sizes are needed.
  • Whether panels will be cast face up or face down.
  • The weight of concrete to be used, i.e., standard, lightweight or special, and the weight per cubic foot.
  • Whether exposed aggregate will be used, the size, and how it will be placed.
  • What the concrete strength is to be on the day or erection.