NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 55/No folder label
Document / 66 pages

Invoice for HVAC consulting services, April-May 2003

Machine-extracted title · confidence 95%

Invoice submitted for professional engineering services related to HVAC consulting and oversight of World Trade Center evaluation and cleaning.

NYC-WTC_000133898–000133963
Page image
Scanned page image, NYC-WTC_000133935
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

2.2 Mechanical Exhaust System Visual Insnectinn Fnrm 1D___ sa a.i , ual• 'Mechanical Exhaust System Identification: Location: Area Served:

Associated mechanical room: clean Y N dry Y N stored chemicals!refuse Y. N Su Component System Components Dust/Ce WTC l not (NOTE:.If component•not present (NP), not found (NF) or inaccessible (I) please Debris Dust present indicate in last columnj Present? Present? not found

inaccessible Exhaust air outlet: Location:

Accessible for inspection? Y, / A (explain):

louvt: s, grates and'or screens ^/ outside air duct N outside air damper(s) Exhaust fan unit: - blower assembly incl. blower wheel, housing, air vanes, in-line noise attenuators blower housing acoustical lining NA vibration collars Nn Exhaust air distribution: Exhaust air ducts Est total In ft_ No. locations inspected Specify type (circle): eta fibrous class lined metal masonry fibrous glass board flex-duct ~~•ood

Accessible in-line fire dampers Est. total gty '7 No. locations inspected 0 T Accessible turning vanes Est. total ty Igo. torations inspected n Exhaust air rilles Est. total N'o. locations ins ected Other (specify):

Other Information:

General impression (indicate recommend ations'for cleaning based on finding of \1'TC dust):

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

NYC-WTC 000133935

OCR can misread numbers and units. Confirm readings against the page image before using them.

NYC-WTC_000133935Source: NYC Law Department, mirrored locally

Related records

Browse subjects →

Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.

Same-box records

Filed elsewhere

More like this page

Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.

Page similarity is temporarily unavailable or this page has no indexed vector.

Buildings in this record

Machine-extracted building matches; verify each source. Buildings, never households.

Others also read

Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.

NYC-WTC_000133762 · Box DEP Box 55

Cole Consulting identifies impacted HVAC units at 50 [Street] requiring cleaning due to WTC dust found during a February 2003 inspection.

Similar indexed content

Compare copies and versions →