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Mechanical exhaust system inspection form for WTC dust assessment

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Inspection form template for mechanical exhaust components including fans, dampers, and ductwork.

NYC-WTC_000139964–000139965

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

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NYC 9/11 Public Portal Document

2.1 Central Ventilation System Visual Inspection Form Page 1 of 2 Ventilation System Identification:

Location: Area Served:

Associated mechanical room: clean Y N dry Y N stored chemicals/refuse Y N Surface Component System Components Dust/ WTC • not present [NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust • not found indicate in last column] Present? Present? • inaccessible Outside air intake: Location:

Accessible for inspection? Y N (explain):

- louvers, grates and/or screens - outside air duct - outside air damper(s) AiHtandlingunlt:___________________________________________________________ - outside air mixing chamber - filter rack(s) - filter media - blower assembly incl. blower wheel, blower housing, air vanes, in-line noise attenuators - blower housing acoustical lining - pre-heat coils - heating coils__________________ __________________________________________ - cooling coils - re-heat coils_____________________________________________________________ - condensate drain pan - supply air plenum - supply air plenum damper(s)________________________________________________ — vibration collars _______________________________________________________ Supply air distribution: - Supply air ducts Est. total In ft No. locations inspected Specify type (circle): metal fibrous glass lined metal masonry fibrous glass board flex-duct wood - Accessible in-line fire dampers Est. total qty No. locations inspected - Accessible turning vanes Est. total qty No. locations inspected - In-line reheat/cooling coils Est total qty No. locations inspected - Supply air diffusers Est. total qty No. locations inspected Return air distribution: - Return air ducts Est. total In ft No. locations inspected Specify type (circle): metal fibrous glass lined metal masonry fibrous glass board flex-duct wood - Return air plenum Est. total RA plenum areas No. locations inspected - Return air plenum damper Est. total qty No. locations inspected — Accessible in-line fire dampers Est. total qty No. locations inspected - Accessible turning vanes Est. total qty No. locations inspected - Return air grilles Est. total qty No. locations inspected

NYC-WTC_000139964

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NYC-WTC_000139964Source: NYC Law Department, mirrored locally

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