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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_000135463
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OCR status: ocr · source: ours

C 9/11 Public Portal Document ; NY £-<____viechanical Exhaust System Visual Inspection Form Page 1 of 1 Mechanical Exhaust System Identification: . MECHANICAL ExHAUST FAN HZ Location: Area Served: G- Rack -250 ALBANY erPzey Jers deere to 15 @ Pestmoose st Associated mechanical room: clean YON dry Y___N stored chemicals/refuse Ys Surface : Component System Components Dust/ wic © not present {NOTE: if component not present (NP), not found (NF) or inaccessible (D please Debris Dust ® not found indicate in last column] Present? | Present? | inaccessible Exhaust air outlet: Location: Accessible for inspection? Y N (explain): ; ~_louvers. grates and/or screens y ¥ — outside air duct : Y y — outside air damper(s) N p Exhaust fan unit: ~_blower assembly incl. blower wheel, housing, air vanes, in-line noise attenuators Y Y ~ blower housing acoustical lining Y y ~ vibration collars Np Exhaust air distribution: - Exhaust airducts Est. total Inf _'60 No. locations inspected __1 Specify type (circle): (fetal Y fibrous glass ined nee masonry fibrous glass board flex-duct wood Y Y ~ Accessible in-line fire dampers Est. total qy__ {15 No. locations inspected © p ~ Accessible tuming vanes Est. total qty. No. locations inspected NP ~ Exhaust air grilles Est. total qty _ [5 No. locations inspected © Other (specify): . . Other Information: “THE GuTiRe UNIT OF THE FAN 1S oT WOR A) q. General impression (indicate recommendations for cleaning based on finding of WTC dust): — WTC eecAteD DUST WAS OBSERVED INTHE COLIPODEANS OF THE TAA) ABOVE AWD Betow “He LouveRS. x «= WTC RetaTes DUET WAS CRSERVED INTHE DUCTWORK Cleaning, RR WTC eeated Dust 1S Récourenntn - CLEAN “tHE CoHPONEMTS OF THE FAN AND MTS AsspciATED Docu. KEY: NP = not present; NF = not found; J= inaccessible; U = unknown NYC-WTC_000135463

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NYC-WTC_000135463Source: NYC Law Department, mirrored locally

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