HVAC inspection report, Warren & [name], Nov 2002

NYC 9/11 Public Portal Document

- • A ►r r' A , TTICA"n TT A O i"^1OT •!1T X171ThTP

tbee Infoc;nation: •

it cycled prior to }nspection

jE p Color of dust/dirt/debris' ter loading(general pression) . ' Water damage ter bypass (describe) =' Visible Stis t:ct mold growth A raded/delamtnatedncoustical lining Evidence. of animaLincursiori (carcasses, feathers, fecal matter General Impression:

2.2 •Fan'cO!l beat pump units In common spaces :

Ventilation System Identification: Location: Access adequate for inspection of components: ' Dust/Dtrt/Debris '• Suspect WT.C.Related Dust System Component None .. ' Lig t Heavy Present?.. )✓stimate % of total dust Substrate Material' (<I/16 inch (21/16 inch (Y/N) loading • (sheet metal wrapped) depth) depth System Components (sheet metal lined) (fiberglass) (flexible connector) . (double walled) . Return air grille • Return air plenum Ft'.Iter.rack • Filter media Blower assemt~ly •' • • . Thermal coils ' Supply •air•plenum • Supply air diffuser' .Other Information: . -Unit cycled prior to inspection . Color of Dust/DirVD.ebris ;Filter loading (general •impression) Water damage Filter bypass (describe) Visible suspect mold growth' Abraded/delaminated acoustical lining Evidenceof animal incursion (carcasses, feathers, fecal matter) •• • General Impression: -

2.3 Central ventilation systems

Ventilation System Identification: . 4EPT it wR L4untIL ( A'S i i Lo ation: Area Served: Mechanical room: clean Y N. dry . Y N stored chemicals/refuse ' Y Access adequate foi inspection of components: . • AHU interior surfaces are visibly accessible:'

NYC-WTC 000132830