The facility is an approximate one million square foot mail distribution facility in Philadelphia, Pennsylvania which operates 24 hours a day, 7 days a week. There were alleged concerns of possible asbestos dust migration into the facility following the removal of non-friable asbestos containing roofing material as part of a building-wide roof replacement project. Vertex was contracted to perform sampling and analysis of surface dust for asbestos content and 24-hour air monitoring during an installation of a temporary polyethylene ceiling.
Once the temporary ceiling was in place and the roofing replacement project was complete, the owner’s consultant retained a City of Philadelphia licensed asbestos abatement contractor. The abatement contractor’s scope of work (approved by the City of Philadelphia’s Air Management Services Division) was to clean all horizontal surfaces within the facility above the temporary polyethylene ceiling. Work was scheduled and performed each shift within a designated column bay and entailed removal of the poly ceiling followed by hepa-vacuuming and wet wiping all horizontal surfaces. Oversight and air monitoring was performed each shift by Vertex’s licensed City of Philadelphia Asbestos Project Inspector (API). In addition, area air sampling continued throughout the facility 24 hours a day, 7 days a week. Vertex staffed this project for a full two-year period without a day off until the ceiling areas and surfaces were properly decontaminated.
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