Questions people ask before they hire an agency.

Special inspection is on-site verification by a qualified third party. It confirms that specific parts of a building are built the way the approved drawings and the code require. An inspector watches the work as it happens: concrete placed, welds made, anchors installed. What they record goes into the file the building official reviews.

Some construction cannot be verified once it is finished. You cannot see reinforcing steel after the pour, or a weld after the assembly is closed in. The code therefore requires certain work to be watched as it is done, by someone independent of the contractor. In California that sits within the California Building Code, which adopts IBC Chapter 17.

A building department inspector works for the jurisdiction and attends at defined milestones. A special inspector is engaged on the project and attends for specific scopes, continuously or periodically. The two are not alternatives: the building official relies on the special inspection record.

Special inspection happens on site and verifies the work: that what is being built matches the drawings and the referenced method. Materials testing happens in a laboratory and verifies the materials, using samples taken from that same work. Most projects need both, and the two records should reconcile.

Under the building code the owner, or the owner’s agent, engages the special inspection agency. Not the contractor whose work is being inspected. That separation is the point: an inspector paid by the party being inspected is not independent of them. Contracts vary between projects, but the agency’s obligation runs to the owner and the building official.

It depends on which scopes the project requires and how much inspector time each needs. Continuous inspection across several concrete pours is not comparable to periodic anchor inspection. A scope has to be defined before a price means anything. Send the drawings and the inspection schedule and we will return a written scope and price.

Inspectors hold certification for the specific scope they are inspecting. Certification is issued per discipline, so being certified for reinforced concrete does not make someone certified for structural welding. The agency’s engineering work is performed under a named California-licensed professional engineer. Your building department may also have its own approval requirements.

A portable nuclear moisture-density gauge measures how well soil, aggregate base or asphalt has been compacted, in place. It does that with a sealed radioactive source, so possessing and operating one requires a radioactive materials licence and trained operators. MEI holds one issued by the California Department of Public Health.

Every test is run to a published method: an ASTM, AASHTO or equivalent standard defining how the test is performed and the result calculated. Naming it on the report lets a reviewer check the procedure instead of taking the number on trust.

Yes. Public works projects in California carry additional obligations, including registration with the Department of Industrial Relations and certified payroll reporting. MEI holds an active DIR public works contractor registration.

California public school and community college construction is reviewed by the Division of the State Architect, not a local building department. DSA sets its own requirements for how inspection is carried out and reported. Tell us about the project and we will confirm what is needed before quoting.