HVAC consulting services invoice, NYC WTC site, 2003

NYC 9/11 Public Portal Document

t Yst !4 - xofl on: EGlIl 11/":d!_ CvI4A,)<;T 44. a n atea Save& U pre K `: oo~ — . S Et-m Astiodated medical roo=., .: deal Y N dty Y N stored chcmicaZM o Y AT S w*aa ca"aft mat System cen"Ments 1 1 WTC • not preeeat rNOTE: g' co cent no+: tnreseu (NP), net found (Ne) or isacc a sslble phase Debris m indlca~te in last column] • NO • not !b®d Eahatast air Bad: • iaecceeeible Location: 1 sssble for inspection? ' .'VN ( a): louvers, grates and/or :, reeve - omside air d= .. `~ OlAdde sir dampers) Exhaust fan one: — blower assembly Incl. °: lower wwheel, housing, air :isa-line noise Mars — blower housing scout, sl lining — vibration collars 1J~ Exhaust air tiistribu is — Erb zst air ducts Est :ota1 in ft lot) No. lenstions inspected0 Sp y type (fie): 1: ,1 ae flbr s Blass bond L woad' — Accessible is-Izae fire rta pore Eat. tots! qtt'_ eq No. bons i d C) 1 >' 7 — Accessible turning vanes Est. total qty No. lot ion irk N1) grifles Est. total ty O9 V No. locations inspected O Other (specify).

Other infermatioe:

General impression (mdic::,.e recommendatieu for clog lased an funding of WTC dust): --- C t ç j u t~AS 0%5t m-0 t tJ 'r H e k E-CH A N tcq.L, Cora PotJeN'mS A14Q t 5 A 4A 7&2 DoC-i2, QL4AN,?Jr4 {g CMMIUs WTC Ze .1u sY, eovQoNC-t3-r 4- rrs u cXs, titEDE1D TO e

KEY: NP M, not pxeseait; Nr - not €ound: ffi I isacccesible;.13 = unknown

NYC-WTC 000135364