-2.3 Central entilatlon systems (coAt TACH 'IEI\T A --SCOPE OF WORK
•~'' Dus irt/De ris Suspect WT •Relate. Dust
' • .. • Estimate %f total dust
• •' ' loading
System • Light Heavy
Component '(cl/16 inch (Z 1/16 inch Present?
System Components • Substrate Material None depth) depth O'/N)
Outside air intake louvers, grates
and/or screens
Outside air duct'
utside air•ttamperrs) >t:.
Retum air grilles •
etutn air plenum'
Return air plenum damper
Return air ducts •
'Turning vanes
Mixing chambers . ..• •
Filter racks) ' ;•
Filter banks/media
Pre-heat coils - •
Cooling coils •
• '
Re-heat coils :
Hurnidificationand/or air'cleantng •• • •
equipment • •
Fire dampers • • •
In-line re-heat coils
Acoustical blower housing lining • .
Duct connectors
Blower assem , y including blower
wheel, blower housing, air vanes, in- ~. .
line noise enenuato-s, acoustical . - x'
treatments (e.g. baffles, duct linings) .
Condensate drain pan
Condensate accumulator I
.Supply air plenum •
f ~t
Supply air'plenum damper(s)
Supply air ducts • • ..
-High pressure - main trunk
-Low pressure — branches
Supply plenum or supply duct
linings
Supply air duct damper(s) • '
Supply air diffusers
'Terminal-boxes -
Open or ducted passive ventilation •
shafts) .
Other Information:
Unit cycled prior to inspection : Color ofDust/D .ebris
aL
An HVAC inspection report from Cole Consulting Corporation dated February 13, 2003, recommending cleaning of units at 275 Greenwich Street due to WTC dust.
An HVAC inspection report from Cole Consulting Corporation dated February 13, 2003, recommending cleaning of units at 295 Greenwich Street due to WTC dust.