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Document / 6 pages

Proposal for toilet and exhaust system cleaning at 225 [name]

Machine-extracted title · confidence 100%

Letter from TechClean Industries proposing cleaning services for ventilation systems at a specific residential address.

NYC-WTC_000139983–000139988

Folder label: “EPA HVAC ACTION PLAN (Indoor Clean up)

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NYC 9/11 Public Portal Document

, 11/.N0V.22. 4 1:52PM $312123191200 TECH CLEAN NO. 499 P.3/7 igoofl

INPOQ* Al* QUAi n A MECUANiCii. Hysseke . Mr. Peter Hoyle I Novemba'27,2001 Page 2 of 6 Eouipoit t and Mattariai Sc^acifioi^ans I TechClean shall supply all equipment and materials necessary for the cleaning of the toilet and genera exhaust'systems and the air-handling systems at 22S Rector Street Ail chemicals utilized in this process shall have the MSDS submitted to Related Management for approval befcre usage. 2, Debris coliiictioc equipment shall be ixxrtable in size to enter the occupied space. 3. Electrical requinmients.will be coorjinated through Related Management. TechClean will supply a 22>volt pigtail tiiat will be installed by Related Management's in-house electrician. 4. Collectors thall be fen .powered high efftcieney, dust and particle coUection systems. They shall be HEPA filtered, 99.97% efficient at .3 microns at 12.000 cubic ft. per minute. ‘J 5. TechClean shall take all necessary precautions to prevent dirt and debris from entering die candlticned s?ace, 6. The colleciioa systems shall be self-contained to adequately capture dirt and debris loosened from th i upstream ducts, ms ins and branches during the cleaning process. Agitation I. Ductwork shall be cleaaeci, coated, tud sanitised by inserting au air powered extended whip section, air powered oscillating brushes and electric robotic air powered brushing systems. 2, Utilized equiptnertt shall be the best to contact clean all surfaces of the air duet regardless of shape and size. 3. Cleaning tools s job as pipper ball! or air sweeps will not be used because of dieir inability to conUit clean all sides of the duct ; 4. Where the ductwork is enough and able to support the weight of a technician hand tools and HEPA vacuum 99.97% eSktent at J microns shall be used. 5. Technicians; entering the inside of the ductwork and air handling units will follow OSHA Confined Sipace Requirements OSHA 29 CFR 1910 1.46 and OSHA Respiratory Protection Program OSHaCFR 1926.SS Appendix C. An air compressor shall be used. Electrical requirement shall be coordinated through Related Management. Compressor shall be capable of 180 PST at 25 CFM. 7. All access instated in the ductwork ithall be SMACNA style cam lock insulated access doore. No patches win be.Used. . J

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NYC-WTC_000139984

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NYC-WTC_000139984Source: NYC Law Department, mirrored locally

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