Prior to backfilling the foundation.
After all sub-trade final inspections and other required departmental inspections are approved.
After the smoke chamber is constructed and prior to completion of the chimney above the smoke chamber.
After the vapor barrier and perimeter insulation (if required) are installed, and prior to the placement of concrete. If there are any pipes wires or vents that are being installed below the slab those sub-trade inspections are to be approved and backfilled prior to the slab inspection.
After the trench is dug and reinforcement is installed, and prior to placement of the footing material.
After backfilling the crawl space and prior to placement of foundation sill plates.
After all structural members are installed and all sub-trade rough-ins are approved, and prior to concealment by insulation or drywall.
After the framing inspection is approved and prior to concealment.
After the trench is dug and reinforcement, vapor barrier and perimeter insulation (if required) are installed, and prior to placement of concrete.
After the reinforcement is installed and prior to placing concrete in the forms.
At any point after the first course of block is laid and before the foundation is backfilled.
After the exterior sheathing, flashing, windows and doors are installed, and prior to the installation of exterior wall coverings.