HVAC consulting services invoice, NYC WTC site, 2003

NYC 9/11 Public Portal Document 2.2 Mechanical Exhaust Systei bual Inspection Form Mocbaaica~ Exhaust System Id Page 1 of 1 cation: rtccsnn—, L-"i.e 1I+4IWS ty4.i-4 :J Location: Area Served: 7f fh,v 28eF -- r3 o o A18ANY SET • Associated mechanical room: clears Y N dry Y N stored chemicais/refse Y N System Cooponents surface Component INOTE: If component not present (l1'P), not found (Ni) or inaccessible (I) please not present ' Debris Dust a not found Indicate In last column) I Present? Present? , Exhaust air outlet: Location: inaccessible

Accessible for inspection? Y N (explain):

— louvers, grates and/or screens — outside air duct I — outside air damper(s) Exhaust fan unit: —blower assembly incl. blower wheel, housing, air vanes, in-line noise attenuators — blower housing acoustical lining — vibration collars ~JPP Exhaust air distribution: J — Exhaust air ducts Est total In ft 10 O No. Locations inspected 7. Specify type (circle): ( j) oury fibrous elate board

—Accessible in-line fire dampers Est total qty No. locations inspected Np —Accessible turning vanes Est. total Qty No. locations inspected aust air grilles Est total city No. locations inspected ! NP •

• — Eh s (Pecif~r):-

Other Information:

General impression (Indicate recommendations/~for cleaning based on finding of Wit dust): ~. 1 . LATED D uS7 VJ S 035 {~ -E ~V£3) IM ~T f J E " N ACLU t y7 S &W y/~ .,1~€ .17 AAI„6 flfS 9l'9SoC-1 ici',.

Q LEAN I , s 'c, 0r Fog Wit R EL•7E1) 1)UST. FA N f ITS CoN1'oN 1J7S 1TS G£M3 r4i£ f XftAu SI ASso4' r 5 0oe7 S.

KEY: NP = not present; NF - not found; I - inaccessible; U - unknown

NYC-WTC 000135427