AHERA Project Designer case studies
AHERA Project Designer · Put your knowledge to work in context.
The AHERA Project Designer accreditation is a federal credential under the Asbestos Hazard Emergency Response Act for professionals who plan asbestos abatement and response actions in schools and other regulated buildings. It is aimed at engineers, architects, industrial hygienists, environmental consultants, and experienced abatement supervisors who write the specifications contractors build from. The AHERA Project Designer case studies are 5 cases and about 1,872 words.
1Surfacing Material Found After the Inspection Report Was Sealed
A project designer is engaged to plan abatement in a 1968 school building. The prior AHERA inspection report lists only pipe insulation and floor tile as asbestos-containing.
442 words, about 2 min2Negative Clearance on a Final Air Sample After Aggressive Abatement
A classroom abatement of 1,200 square feet of ceiling tile in a sealed containment is complete. The contractor runs aggressive air sampling using a leaf blower per the project spec, collecting five samples inside the containment and two outside.
385 words, about 2 min3Contractor Proposes Wet Removal of Friable Insulation Without Local Exhaust
A project involves removing approximately 300 linear feet of friable thermal system insulation from a boiler room with limited ventilation and a single doorway. The contractor proposes wet removal methods with amended water and drop cloths but no local exhaust ventilation (negative air machines), arguing the space is small and the material will stay wet.
363 words, about 2 min4Specification Language That Shifts All Responsibility to the Contractor
A designer is writing the abatement specification for a hospital wing. The owner's attorney suggests inserting broad language: 'Contractor shall be solely responsible for all means, methods, and compliance with all applicable regulations, and Owner assumes no liability for any condition encountered.' The designer knows the building has a partially assessed crawlspace and that the hospital will remain partially occupied during work.
354 words, about 2 min5Waste Shipment Documentation Gap Discovered During Closeout
At closeout of a school abatement project, the designer reviews the record file. The waste manifest for the last load of bagged ACM is present, but the receiving facility's signed return copy is missing, and the weight ticket shows a quantity lower than the estimated generated waste.
328 words, about 2 min