HVAC Inspection Report Memo, 118 Chambers Street, Feb 2003

NYC 9/11 Public Portal Document

2.4 Passive Shaft/Duct Visual Inspection Form Page 1 of I Passive Shaft-Duct Identification: 7 Location: Area Served:

System Components Surface Component (NOTE: if component not present (NP), not found (NF) or not inaccessible (1) please Debris Dust indicate in last column] present Present? Present? not found

Outside air intake (if servici ng supply a i r): Location: inaccessible

Accessible for inspection? Y I\ (explain)-

louvers, grates, screens or weather ca Exhaust outlet/louver (if servicing exhaust air): Location: (2.tw r Accessible for inspection? \' _N_ (explain): r i ' louvers, grates, screens or weather ca Supply air distribution (if servicing supply air): Supply air outlet(s) Est. total qty No. locations inspected Specify shaft substrate (circle): metal fibrous glass lined metal masons fibrous class board flex-duct od Accessible fire dampers Est total ci ty No locations inspected Pipes!ntechamcaI equipment etc. located in shaft Return air distribution (if servicing exhaust air): P Exhaust air inlet(s) Est. total qty _ No. locations inspected y Specify shaft substrate (circle): eta fibrous ellass lined metal masonry (n fibious clas b li a iJ fi x•dct J

Accessible fire dampers Est. total qty No. locations inspected Pipes mechanical equipment etc located in shaft nJ Other (specify):

Other Information:

General impression (indicate recommendations for cleaning based on finding of 1VTC dust):

NO vJ b u.S i

rni ;

i.r = not touna; 1 = inaccessible; U = unknown

NYC-WTC 000130416