Compliance

What is remediation in construction?

Remediation is the work of removing, containing, or treating a hazard, such as mold, asbestos, lead-based paint, or contaminated soil, so that construction can proceed safely and the site meets health and environmental rules.

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In construction, remediation means dealing with a hazard before or during the work. It covers mold cleanup after water damage, abatement of asbestos-containing materials, lead-based paint work in older buildings, and cleanup of contaminated soil or groundwater on a site. The word is also used more loosely for correcting failed work, but most of the time it refers to environmental or health hazards.

Remediation is usually specialized work done by licensed or certified firms, under rules set by federal, state, and local agencies. The general contractor's job is to find out early, sequence it right, and keep everyone else out of the way.

Lead paint: the rule most remodelers hit

The EPA's Renovation, Repair and Painting (RRP) Rule applies to paid work that disturbs paint in houses, apartments, and child-occupied facilities built before 1978. Firms doing that work must be certified, including sole proprietors, and may not advertise or perform covered work without certification. Minor repair below 6 square feet per room inside or 20 square feet outside is generally not covered, but window replacement and demolition of painted surfaces are always covered regardless of size. States can run their own authorized programs, so check which agency administers the rule where you work.

Asbestos, mold, and contaminated soil have their own federal, state, and local requirements, and the details vary by material, building type, and location. Before disturbing suspect materials, get a survey and confirm the requirements with the agency that has jurisdiction.

How remediation fits a real job

Say a GC wins a $750,000 renovation of a 1960s office building. The owner's pre-renovation survey finds asbestos in floor tile mastic and pipe insulation. The contract carves remediation out as owner-direct work: the owner hires a licensed abatement contractor, which sets up containment, removes the materials, and provides clearance results.

The GC builds four weeks of abatement into the phasing plan, keeps its own crews out of the containment area, and does not start demolition in each zone until the clearance letter is in hand. When demo uncovers more pipe insulation behind a plaster wall that was not in the survey, the GC stops work in that area, notifies the owner in writing, and treats it as a concealed condition with a time extension request.

The extra pipe insulation adds nine days in that zone. Because the GC gave prompt notice, kept its crews out, and logged the stop in its daily reports, the owner grants the time without argument and pays the abatement contractor directly for the added removal.

Common mistakes and disputes

  1. Starting demo without a hazardous materials survey on an older building.
  2. Letting your own crews disturb suspect material "just to see."
  3. Unclear scope. The contract should say who is responsible for known hazards and who pays for ones found later.
  4. No time in the schedule for testing, containment, and clearance.
  5. Missing the paperwork. Disposal records and clearance reports belong in the closeout file.

Related terms

See abatement, differing site conditions, safety data sheet, and stop-work order. Remodelers should also read how to run a residential remodeling business.

Frequently asked questions

Is remediation the same as abatement?

They overlap. Abatement usually refers to reducing or removing a specific hazard such as asbestos or lead. Remediation is a broader term that also covers mold, contaminated soil, and groundwater.

Do I need certification to disturb lead paint?

For paid work that disturbs paint in housing and child-occupied facilities built before 1978, the EPA RRP Rule requires firm certification, with limited exceptions for small areas. Some states run their own programs.

Who pays for remediation found during construction?

It depends on the contract. Known hazards are often owner-direct work. Unknown hazards found during construction are usually handled as differing site conditions or changes, if notice is given properly.

Sources

  1. U.S. EPA: Lead Renovation, Repair and Painting Program for contractors
Written and edited by

Maurice Francois writes and edits construction operations guides for Smart Business Automator. More from Maurice on the Scaling Legends podcast.

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