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HVAC consulting services invoice, NYC WTC site, 2003

Machine-extracted title · confidence 95%

Invoice for HVAC consulting services provided at the World Trade Center site in 2003.

NYC-WTC_000135339–000135553
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Scanned page image, NYC-WTC_000135468
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document Mechanical Exhaust System Identification: ----- ^ 1 - ~ E•GH A•~ t t.R t, E X Location: Area Served: cc - 'Pco~ - -5 A1.FANI ITAEE7 ktTci{EN BATht oo ru Associated mechanical room: clean Y N dn• Y N stored chemicals/refuse Y N System Components aunace I Component (NOTE: if component not present (NP), not Dust/ WTC • not present found (NF) or inaccessible (I) please Debris indicate in last column] Dust . not found Present? Present? Exhaust air outlet: Locarinr tnecceccihle

Accessible for inspection? Y ✓ N (explain): — louvers. grates and/or screens outside air duct — outside air damper(s) Exhaust fan unit: — blower assembly incl. blower wheel, housing, air vanes, in-line noise attenuators — blo«er housing acoustical lining — vibration collars Exhaust air distribution: NP — Exhaust air ducts Est total in tLP No. locations inspected Specify type (circle): +ious lass lined meill~~ mas fibrous alass board ex.•-duc wo J •~ — Accessible in-line fire dampers Est. total qty 6 No. locations inspected G — Accessible turning vanes Est. total qty No. locations inspected — Exhaust air grilles Est. total qty No. locations inspected D Other (specify):

Other Information:

eneral impression (indicate recommendations for L i C rae-3ens t..:A5 c. ASSc .vt cleaning t,J - based on fi ndin of WTC dust: - Cu-pc toE t.31 S C 'T~{ E F-q1~1~ Age ~f AN>J '-? c w - i t G LGUy S

WTC t.J N ' tEL avcYt..~c.f:K. ANt,;4 orc cei5 15 't~-.Ecr.7+ftN~r tuf- . Cl•eAN Th& CMA t)S7 t)&)rr, , i'TS a5;vc.t 4o tauCTwcK.

KEY: NP = not present; NF = not found: 1=

NYC-WTC 000135468

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NYC-WTC_000135468Source: NYC Law Department, mirrored locally

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