Case Study 401 Ken Fischer. PROBLEM zPotable water releases zHVAC turned off zSignature flood...

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Case Study 401 Ken Fischer

Transcript of Case Study 401 Ken Fischer. PROBLEM zPotable water releases zHVAC turned off zSignature flood...

Page 1: Case Study 401 Ken Fischer. PROBLEM zPotable water releases zHVAC turned off zSignature flood microorganisms: Acinetobacter, Penicillium, Aspergillus.

Case Study 401

Ken Fischer

Page 2: Case Study 401 Ken Fischer. PROBLEM zPotable water releases zHVAC turned off zSignature flood microorganisms: Acinetobacter, Penicillium, Aspergillus.
Page 3: Case Study 401 Ken Fischer. PROBLEM zPotable water releases zHVAC turned off zSignature flood microorganisms: Acinetobacter, Penicillium, Aspergillus.

PROBLEM

Potable water releasesHVAC turned offSignature flood microorganisms:

Acinetobacter, Penicillium, Aspergillus

Impact on opening of hospital

Page 4: Case Study 401 Ken Fischer. PROBLEM zPotable water releases zHVAC turned off zSignature flood microorganisms: Acinetobacter, Penicillium, Aspergillus.

PRIOR TECHNIQUE

Remediation plan and containments similar to asbestos removal

Adenosine Triphosphate bioluminescence testing device

Surficial technique onlyConcentrations of Sodium

HypochloriteParticulate

Page 5: Case Study 401 Ken Fischer. PROBLEM zPotable water releases zHVAC turned off zSignature flood microorganisms: Acinetobacter, Penicillium, Aspergillus.
Page 6: Case Study 401 Ken Fischer. PROBLEM zPotable water releases zHVAC turned off zSignature flood microorganisms: Acinetobacter, Penicillium, Aspergillus.

HEPA vacuuming ceiling grid.

Page 7: Case Study 401 Ken Fischer. PROBLEM zPotable water releases zHVAC turned off zSignature flood microorganisms: Acinetobacter, Penicillium, Aspergillus.

Fine cleaning above ceiling.

Page 8: Case Study 401 Ken Fischer. PROBLEM zPotable water releases zHVAC turned off zSignature flood microorganisms: Acinetobacter, Penicillium, Aspergillus.

METHODS

Biocleaning: vapor phase chlorine, alcohol wipes, tack cloths

TechniquesSurface modification

Page 9: Case Study 401 Ken Fischer. PROBLEM zPotable water releases zHVAC turned off zSignature flood microorganisms: Acinetobacter, Penicillium, Aspergillus.

RESULTS

86% (248/288) environmental surface samples < 1 CFU

99% (284/288) surface samples < 25 CFU93% (27/29) air samples < 50 CFU/m3Demonstrated methodology can

significantly reduce exposure to infective, allergenic, toxic microorganisms