General Information/Requirements • Water intrusion has caused moderate plaster/gypsum wallboard damage, potential mold growth, and potential contamination of building materials to include affected wallboard and potential inter-wall fiberglass insulation. • Confirm these suspected building materials were tested for asbestos and lead. • If additional suspected asbestos-containing material is discovered during demolition that was not tested, the contractor must stop and notify Imperial County Department of Public Works immediately. • Contractor must be a certified abatement contractor with supervisors and workers trained in mold remediation controls and best practices. • Contractor to verify square footage in the field. • Contractor to ensure as-built drawings are updated with all completed materials replaced. • If two layers of gypsum wallboard are present it may be a fire wall; remove if water damaged/or visible mold growth is observed and reinstall fire walls as it was previously installed. • A third-party industrial hygienist (IH) is recommended to provide oversight on all remediation/ abatement activities including final visual inspection, initial and final air clearance sampling, and submission of a Post Remediation Clearance Report. • Final Clearance Sampling is recommended in each contained/enclosed area (see Post Remediation Evaluation Criteria section below).
