HVAC consulting services invoice, NYC WTC site, 2003

NYC 9/11 Public Portal Document

2.2 Mecbankal x-ltauat .aavatem Vianal anpetlrn Rnr m Paso I of t IySf:ChaeJcal Ea a ust rá ii I tafioa on: Ec : '!t L Lx h4 U ST Lot cm: U Area Served: ere K rRoOF - £ S'WTII Et) AseocaaUeed met ticnl ax~.x ~: Clem Y N dry Y N scc chemacnt _, , Y N System Cep nark= Component Drat/ WTC • not present [NOTE: if compoaect nn:t preaeat (NP), net found (NJ) or iaacareseflble (I) please bebrb llinat Indicate In Iasi column) , not tbaad Present? Presaat? • not Inaccessible thaugtalreuflet: Location: Accessible for iunspection; t___Pd (explain):

louvers, g es and/or a assns — mnside air duct — o:stside air damper(s) Exhaust fan .unit: — blower assembly read. Hoover wheel, housing. as vanes, 3t-I ce noise W:Ce .tre — blower housing acoussillAl lining — vibration collars Exhaust air distrlbntion: — Exhaust air ducts Esc. =total In ftJQ~ No. boats inspected O2, Spey type (circle): ess ffitaus~board

— Aa esse'b1e is-lisae Sre dt s — Accessible niroing vaner ESL rrI„'•. tom: Est.tota, qty Ne. ]ocaizaz it ec red O No. Dotntioars lnspected_ I _ ____

— Exhaust air grilles Est. trta3 (Mt No. lac:. s inspected O Other (specify):

Ot6 'Afertrtation: '

General impression (Indic; recemmendatioaAa fsr cleaning based on fIding of WTC last): WTC tg.pci 085E"CD iN -rte HC-cxaN, eot.~o>JeDJ1s ?+iE- J o es 6t41N+NC t3 ' 4-f Jpe, WT ere OvS";

KEY: NP ,, not present Ni: not friend; l: enaccessible,. tI unknown

NYC-WTC 000135362