10 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗Document / 19 pages
HVAC monitoring addendum to scope of work, August 2002
Machine-extracted title · confidence 70%Second addendum to monitoring scope including HVAC system checklist and inspection procedures.
NYC-WTC_000163408–000163426Folder label: “E-mails M. Gilsenan”
Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
ADDENDUM #2 World Trade Center Dust Cleaning Program Monitoring Contract Scope of Work
— Rotary metal cutting saw — For covering service openings, sheet metal plates, panels or access doors meeting NADCA 9705, NFPA 90A/90B and SMACNA specifications — Telescoping inspection mirrors and flashlights — Boroscope — HEPA vacuum
6.4 Typical system components for each equipment category
The ventilation systems may contain, but may not necessarily be limited to combinations of the listed components in each category.
6.4.1 Ventilators, wall air conditioning units and window air conditioning units in common spaces
— Outside air intake louvers, grates and screens — Outside air duct — Outside air dampers — Return air grille — Return air plenum — Filter rack — Filter media — Coils (evaporator) — Blower assembly — Condensate drain pan — In-line electrical resistance strip heaters (in supply ducts connected to unit ventilators) — Fire dampers — Turning vanes — Supply plenum or supply duct liner — Supply air diffuser
6.4.2 Fan coil/heat pump units in common spaces
— Return grille — Return air plenum — Filter rack — Filter media — Blower assembly — Thermal coils — Supply plenum — Supply diffusers
6.4.3 Central air system
NYC-WTC 000163419
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NYC-WTC_000163419Source: NYC Law Department, mirrored locally
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4 shared non-person entities · 1 shared topics · similarity 0.959
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4 shared non-person entities · 1 shared topics · similarity 0.958
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000132707
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4 shared non-person entities · 1 shared topics · similarity 0.958
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Similarity score 0.999 (not a probability)
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Addendum detailing all ventilation system components to be inspected and cleaned, including intake louvers, ducts, coils, blower assemblies, and duct linings at World Trade Center.
Similarity score 0.975 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140297
Addendum defining scope for cleaning World Trade Center dust from ventilation components including ducts, coils, and filters.
Similarity score 0.974 (not a probability)
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