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Receiving report for HVAC consulting services, March-April 2003

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City receiving report acknowledging delivery of HVAC consulting services for WTC from TAMS Consultants Inc.

NYC-WTC_000135765–000135950
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NYC 9/11 Public Portal Document 2.2 Mechanical Exhaust System Visual Inspection Form Page | of | Mechanical Exhaust System Identification: 4F 2 . Location: ot Area Served: “os —_ -( ) Do & Associated mechanical room: clean Y N__ dry Y N __ stored chemicals’refuse Y N ; Surface Component System Components Dust/ WTc E not [NOTE: if component not present (NP), not found (NF) or inaccessible (1) please Debris Dust present indicate in last column] Present? | Present? | not found g inaccessible Exhaust air outlet: Location: Accessible for inspection? Y N (explain): / y louvers, grates and/or screens Y Y outside air duct ly Y outside air damper(s) __¥ Y Exhaust fan unit: : blower assembly incl. blower wheel, housing, air vanes, in-line noise \ attenuators 3 7 / blower housing acoustical linine Y yaad vibration collars - ; : SO Exhaust air distribution: Exhaust air ducts Est total In ft i220 No. locations inspected { ‘ y Specify type (circle): Ca Crouse brous glass lined metal \masonrv fibrous glass board 7 : Y flex-duct “Wood Accessible in-line fire dampers Est. total qty (ft No. locations inspected (1 r Per isit te peenins ygecs Est. tatal gry No. locations inspected NP Exhaust air grilles Est. total qty y+ No. locations inspected 7) ral Other (specify): Other Information: General impression (indicate recommendations for cleaning based on finding of WTC dust): WIT Sus? Panu tas System , CreAmin ( ‘> (acomen nen. KEY: NP = not present; NF = not found; I = inaccessible: U = unknown NYC-WTC_000135842

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NYC-WTC_000135842Source: NYC Law Department, mirrored locally

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