SPECIAL INSPECTION

HMH Engineering provides certified special inspection services to ensure construction projects meet the requirements of the International Building Code (IBC) Chapter 17, project specifications, and safety standards. Our experienced team acts as the owner’s independent representative in the field, verifying that materials and workmanship comply with design documents and regulatory requirements.

OUR SPECIAL INSPECTION SERVICES
We provide comprehensive inspection services for vertical and civil construction projects, including:

  • In-place density testing, verification of foundation bearing capacity, moisture-density relationships (Proctors), and subgrade inspections.

  • Continuous inspection during placement, verification of reinforcement, concrete testing (slump, air, temperature, cylinders), and batch verification.

  • Inspection of unit placement, grout and mortar testing, reinforcement verification, and prism/unit strength testing.

  • Embedment depth, spacing, adhesive anchors, and installation inspections in accordance with IBC and manufacturer requirements.

  • Shop and field bolting/welding inspections, member installation, anchor bolt verification, and compliance with AISC and AWS standards.

  • Verification of thickness, coverage, bond strength, and adhesion to structural members, meeting IBC Chapter 17 requirements.

  • Inspection of framing systems, nailing/fastener verification, firestop installation, EFIS systems, and tall mass timber construction where applicable.

  • Review of Statements of Special Inspections (SSI), scheduling and coordination with project teams, immediate reporting of deficiencies, and final closeout documentation.

OUR APPROACH
Our special inspectors act as an extension of the owner and design team, ensuring quality and life safety during construction. We:

  • Maintain consistent communication with project stakeholders

  • Follow detailed quality assurance (QA) and quality control (QC) protocols

  • Provide timely documentation that supports project closeout and code compliance

CERTIFICATIONS & ACCREDITATIONS
Our team includes ICC-certified inspectors in all major disciplines as well as ACI, WAQTC, and CWI credentials. Our laboratories in Missoula, MT and Coeur d’Alene, ID are AASHTO-accredited and fully equipped to support inspection activities with on-site and off-site testing.

WHO WE SERVE
We provide special inspection services for:

  • Municipalities, state, and federal agencies

  • Architects and engineers of record

  • Private developers and contractors

  • Schools, hospitals, and public facilities

We proudly serve communities throughout Idaho—including Coeur d’Alene, Ponderay, Lewiston, Meridian, Twin Falls, and Rigby—and now western Montana through our Missoula office.