Reestablishment of the Work Area and HVAC Systems in Schools

Section 855 Section 855.520  Reestablishment of the Work Area and HVAC Systems in Schools The contractor shall reestablish the work area in accordance with the following procedure: a)         Reestablishment of the work area shall only occur following the completion of the cleanup procedures and after clearance air monitoring has been performed and documented to the satisfaction of the school board or building owner. b)         The contractor and building owner shall visually inspect the work area for any remaining visible residue.  Evidence of contamination shall necessitate additional cleaning in accordance with Section 855.465. c)         Additional air monitoring shall be performed in accordance with Section 855.470 if additional cleanup is necessary. d)         Following completion of clearance air monitoring of the work area in accordance with Section 855.470, remaining polyethylene barriers and worker and equipment decontamination enclosure systems shall be removed and disposed of as asbestos-contaminated waste.  Following removal, the entire area, including HVAC filter assembly and duct work, shall be wet cleaned or HEPA vacuumed to remove residual asbestos fibers. e)         Mounted objects removed from former positions during area preparation activities may be resecured. f)         Objects that were removed to temporary locations may be relocated to original positions. g)         New filters shall be installed in HVAC systems, and mechanical and electrical systems shall be reestablished in working order.