NYC 9/11 Public Portal Document
X 11/NOV.22.200^4 1:54PM 6312123191200 ’ TECH CUBAN N0.49g p.6/7 0012
Inbooi Aim Qu an it I Meckahich Hygiene .
!
Mr, Peter Boyle
Novembe 27,2001
Page 5 of 5
SCOPE OF WORK
*1.' A1 grilles and dift'users, either internal to apartments or in common areas, will be treated as
fo Hows:
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a- The grille vnll be remoMed and bagged.
b. Bach grille will be water and detergent washed.
c. Bach grille will be sanitized with an anti-microbial agent.
d, The grille vdll be rc-jnsta1|ed.
e. Access to each ajjartment hvill be required three (3) times on the day of the cleaning.
1. Tb<; grUlo win be removed and the ductwork will be sealed.
2. The horvwntal ductwork will be Cleaned.
3. The grills will be re-installed and housekeeping will be done.
2. Ti e kitehen and exhaust ductwork «d!l be addre ssed as follows,-
a. The horizontal di'.ctwork will be cleared using a pneujnatic-powerod whip.
b. The horizontal dvotwork will be HEPA vacuumed.
c. The vcrrica riser»will be cleaned with a pnesunatic whip or rotating brush depending on
the internal size. *
d. Any debris will be txapped in a HEPA-filtered ccllocdon device.
8, The exhaust' fans will tw disassembled, MEFA-vacuuxned and re-assembled.
f. All internal surfaces, frop: terminal ends of horizontal to the rooftop fan, will be treated
withan an airless sp^^er han^wping method. ’tLa.sh'IA '
3. Tile air-handling sy items and associated duettvork will be aobressed as follows:
a. The HVAC system will be sequentially addressed tn the direction of die aiiflow,
b. The return ductwork grlll^ will be ch^sncd as discussed in Section 1.
c. The horizontal dictwork wll be cleaned using a pneumatic whip.
Any debris will b9 collected in a HEPA-filter^ collection unit
e. If internal crass section of the ductwork is larger than 24 Inches by 24 inches, a
technician will ei ter it ^d will contact-clean with a HEPA vacuum.
f. The outside air intake louvers w !l be pressure-washed or HEPA-vacuumed, as
applicable. i
g< All internal surfaces of the air-hardling unit will be HEPA vacuumed to 99.97%
efiRciency at .3 microns..,.
h. The coils will be high-pre4sure water-washed or HEPA vacuumed, as applicable.
i. The supply duev/ ork will be cleaned using the same protocols described above.
j- All internal surfixes of the air delivery system will be treated with an anti-microbial
agent via an. airie» sprayer or hand-wiping method.
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NYC-WTC_000139987
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