H+O Engineering is a NYC registered and accredited Class 1 Special Inspection Agency. H+O Engineering conducts special inspections of structural integrity to verify that construction work is being performed in accordance with approved plans and specifications. The following special inspections are currently offered:
- Concrete Cast-in-place
- Subgrade Inspection
- Subsurface / Soils-fill Placement In-place Density
- Subsurface Investigations (Borings/Test Pits)
- Deep Foundation Elements
- Structural Stability – Existing Buildings
- Excavations – Sheeting, Shoring and Bracing
- Underpinning
- Mechanical Demolition
- Structural Steel – High Strength Bolting
- Structural Cold – Formed Steel
- Structural Steel Details
- Masonry
- Sprayed Fire-resistant Materials
- Fire-resistant Penetrations and Joints (Firestop)
- Mechanical Systems
- Helical Piles
- Post-Installed Anchors
