In NYC, a subgrade inspection, required before footings, foundations, or fill placement, verifies site preparation and compliance with the approved geotechnical report, ensuring the ground is ready for construction.
Here's a more detailed breakdown:
Purpose:
Subgrade inspections ensure the soil beneath a construction site is suitable for supporting the intended structure.
Timing:
These inspections occur immediately before the placement of footings, foundations, fill, or other supporting materials.
What's Checked:
Inspectors assess soil quality, compaction, stability, and load-bearing capacity, verifying the site's readiness for construction.
Geotechnical Report:
The inspection must be in accordance with the approved geotechnical report.
Special Inspections:
Subgrade inspections are considered a type of special inspection, requiring a special inspector to ensure compliance with the New York City Building Code.
Documentation:
Special inspection agencies must maintain records of inspections, including field logs, test results, and notes, for at least six years.
BC 1704.7.1
Subgrade Inspection is referenced in the NYC building code
In NYC, a subgrade inspection, required before footings, foundations, or fill placement, verifies site preparation and compliance with the approved geotechnical report, ensuring the ground is ready for construction.
Here's a more detailed breakdown:
Purpose:
Subgrade inspections ensure the soil beneath a construction site is suitable for supporting the intended structure.
Timing:
These inspections occur immediately before the placement of footings, foundations, fill, or other supporting materials.
What's Checked:
Inspectors assess soil quality, compaction, stability, and load-bearing capacity, verifying the site's readiness for construction.
Geotechnical Report:
The inspection must be in accordance with the approved geotechnical report.
Special Inspections:
Subgrade inspections are considered a type of special inspection, requiring a special inspector to ensure compliance with the New York City Building Code.
Documentation:
Special inspection agencies must maintain records of inspections, including field logs, test results, and notes, for at least six years.
BC 1704.7.1
Subgrade Inspection is referenced in the NYC building code