Receiving report for HVAC consulting services, March-April 2003

NYC 9/11 Public Portal Document -- ••- usiti,a.vrir • ttsuat ins ectl;on Form \,'entilation System Identification: Soc.. k-,4 ?-,4 WALL rq S T= Pave 2 of r,/ qç ovation: . Area Served: — LOAM .5a<T-H Assoc iatedmechanical room: clean pP~ N dry J 1' N stored chemical;'retii;e 1' 1: System Componen ts Surface Component i\OTE: if component not present (NP), not found Dust' WIC not (\F) or inaccessible (1) please Debris Dust indicate in last column) present Present? Present? not found ` E Outside air intake: Location: inaccessible

Accessible for inspection? 1• I\' (explain):

}outer;. crate; and'er screen; 7 ________ ___________

dujad: air duct I otttsidc air dantoer(s) I Air hantllino unit: _ I Al olit'ide air nti.:inti chamber I filter racl;(s) I i filter rnzdi, a;;enihly Incl. blower wheel, blo.:er housing, air vanes. in-line I —'— s y hosing acoustical lininL, at coils I coils I NP coil; coils I N I ;a a dra N l i iE Suppyair l :::t ! supply air plenum darn er(s) + vibration collars + P rSujppl~y air tlistributior;: N(7 ?ly ai- d.:cts Est. t : •~it In f° _—' ~..~. lip 'I :S t::' :ie: Z C;• - :S: l.;- _ t':!:.. mot _ : r..~• \ c' ;

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Accessible in -line fire dampers Est. total gry No. location; inspected Accessible ttirnine vanes Est. total gry N r I. No. locations inspected in•line reheat cooling coils Fst total ry 'o location; ins ected Suo-+Iv air diffusers Est. total n I l~O. location; in; ected 1 I:"urn air distribution: Return air ducts Est. total In ft L' No. locations inspected t Specify type (circle): _:a! ft•_oa ciaiz l:ncd nr~r ; n; ,r - i. f ,v

ai- P!:!::!-n Es:. t•?:al P_' • aren;~_ • 1.):vioni ins; ected i F.eturn air plenum damper Est. total qh _I 1 inspected Igo. locations Accessible in-line fire dampers Est. to:al q:_ No. locations insp;cted /?

NYC-WTC 000135821