HVAC Inspection Report 257 Water Street, Nov 2002

NYC 9/11 Public Portal Document

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dart I 0 °PGenral Irforination r e 'Date of Evaluation: 1ç - `Buildipgcontact name and phone

Evaluation Team (list name and affiliation) . i t'` r :< (Environ~nental.Professional) ' ' •

(HVAC/Electrical'Professional) :. _:... ! { " (sheet Metal Professional) Building Address Type of Facility (check all that apply) Pp Y) y , Sr - Jesidential t rLk U Multi-use Other (describe) Number of residential units Number of floors BVAC System Types (t heck all tha#apply) fl Uiut sentilator(single residence unit) U Wal]/wmdow .0 unit (single residence unit) Fan coil unit (Single re idence unit) Central entilatiorisysterl~ ' Neat pump unit (single residence unit) Passive shaft/duct fl Other (describe) ,, t Location of outside air intake: Outside air intake accessible for Inspection : Y N (explain) Part 2.0 Checklists 2.1. Ventilators, salt air conditioning units and window air conditioning:nits in common paces Ventilation SystemIdentification: ' - • ---? L t Tc H-4 • 64~r4 nv 5 6c Location: . Access adequate for inspection of cort'ponents: \/ Dust/Dirt/Debris Suspect WTC-Related Dust System Component Substrate Material (sheet metal wrapped) Light Heavy • System Components (sheetmetal lined)! None {<1/16 inch • (z I/16 inch • 'Present? Estimate % of total dust (fiberglass) depth) depth ' .. :::;: (APT') • loading (flexible connector) (double walled) • . •

Outside air intake louvers, grates' and/or screens Outside air duct Outside air damper(s) Return air grille' Return air plenum , • • . . • -. . - ... - - . . ________________________

Filter rack '' Filter media Coils (evaporator) Blower assembly Condensate drain pan . In-line electrical resistance strip heaters (in supply ducts ' connected to unit ventilators) Fire dampers. . ` Turning vanes Supply air plenum or supply duct Supply air plenum or supply duct liner Supply air diffuser

21 Ventilators, wall air condltioning units and window air conditioning units in common spaces (coat.) P ',- a •P r l} '111 .~+. r f .tRL; f ➢ as S ~ 4 .c•% 'Y ti a X44 ~~ ~. S 'r ~ '"~f u ~t•~ -rr ~ i t S r .c ~~.`'r+' dr .d'•i- a T t r r s .~ ~~,r .• • Fw- 1 '~t,i i ° r ,4 rs s •c t hd n. J :. '' t~ .~i, ~ s r9 Y~••`.r - ~~.P' i N a .•G c 4 k. s. ~• t : i k ~ ~ ll,` ~ t'. h . n! .;..~'.''.^ . ~i . ' .p . ..*-• ti 1:r. s S': - r,a;,,' 4?:.. tua ' z' ;'' - r w ! s.. .n .,, 1~,i... ^`~ .,. ... .6[ 't'as. NYC-WTC 000132708