HVAC consulting services invoice, NYC WTC site, 2003

NYC 9/11 Public Portal Document

2.2 Mechanical Exhaust System Visual Insnectinn Fnrm Pao& 1 of 1 Mechanical Exhaust System Identification: w ER XH AUS Location: I Area Served: 5n Ala .. eooF .- ' n►r"QY airs Associated mechanical room: clean Y N dry Y N stored chemicals/refuse Y N Surface Component System Components • Dust/ WTC • not present [NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust • not found indicate in last column] Present? Present? • Inaccessible Exhaust air outlet: Location:

Accessible for inspection? Y V/ N (explain):

— louvers, grates and/or screens — outside air duct — outside air damper(s) Exhaust fan unit: P — blower assembly Incl. blower wheel, housing, air vanes, in-line noise attenuators — blower housing acoustical lining (¼J? — vibration collars N Exhaust air distribution: — Exhaust air ducts Est total in ft t8 O No. locations inspected Specify ttpe (circle): b`brous wed lass slasg m hs y fibrous gloms board fl ex -duct wood — Accessible in-line fire dampers Est. total qty No. locations inspected 1_ P — Accessible turning vanes Est. total qty No. locations inspected V — Exhaust air grilles Est. total qty No. locations inspected N Other (specify):

Other Information: C,4 AOST JEE i0S <frL)LA' Tt!ns4NCZ-

General impression (indicate recommendations for cleaning based on finding of WTC dust): WTC t)t)s7 WAS OBJt 1 VED -T+a£ COM1ONENT5 —. No EC-LA'I IN

0~ TXI - E X14 Au -C VAt4•.' ~jvs7, CAWING 1S eQv -D FoR WTC KELA?EJ 1

KEY: NP = not present; NF = not found; 1= inaccessible; U = unknown

NYC-WTC 000135525