Ventilation System Evaluation Form, Nov 2003

NYC 9/11 Public Portal Document

2.2 Mechanical Exhaust System Visual Ins ection Form Pa el ofl Mechanical Exhaust System Identification: A ,2 r.v-tA w-r r-c~ 2 A, a. &t. My Location: Area Served: ~ AS -t 4'' 6 or c-* 2 Associated mechanical room: clean Y N dry Y N stored chemicals./refuse Y N Surface Component System Components Dust/ WTC iy not fNOTE:.1f component-tint present (NP), not found (NF) or Inaccessible (I) please Debris Dust present Indicate in last column] Present? Present? not found

Inaccessible Exhaust air outlet: Lo ation:

Accessible for inspection? Y iN T (explain .}:)

louvE s, grates and/or screens n/ outside air duct outside air damper(s) Exhaust fan unit: nsP blower assembly inci. blower wheel, housing, air vanes, in-line noise attenuators Al blower housing acoustical lining NO vibration collars NP Exhaust air distribution: Exhaust air ducts Est total in ft No. locations inspected I Specify type (circle): metal fibrous glass lined metal masonry fibrous Blass board flex-duct wood

Accessible in-line fire dampers Est. total qty No. locations inspected Accessible turning vanes Est. total gty P No. Iocation=_ inspected Exhaust air grilles Est. total gty No. locations inspected N• P Other (specify):

Other Information:

General impression (indicate recommendations for cleaning based on finding of WTC dust):

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

NYC-WTC 000132752