NYC 9/11 Public Portal Document
cleaning contractor will conduct the cleaning utilizing specialized labor trained and experienced in
duct cleaning. HVAC cleaning will be conducted in accordance with National Air Duct Cleaners
Association (NADCA) General Specification for the Cleaning ofCommercial Heating, Ventilating
and Air Conditioning Systems and the NADCA Assessment, Cleaning and Restoration Standard
(ACR 2002). Verification ofthe effectiveness ofHVAC system cleaning will be determined by the
Monitoring Contractor. Ifvisible dust or other contaminants are evident through visual inspection or
testing, those portions ofthe system where dust or other contaminants are present shall be recleaned
and subjected to reinspection for cleanliness.
3. Cleaning of Residential Spaces
Residences will be cleaned using HEPA vacuums, hot water extraction cleaners and wet wipes as
described below. Surfaces to be cleaned include but are not limited to walls, floors, ceilings, ledges,
trims, furnishings, appliances, equipment, etc. Encapsulating agents shall not be applied. Dry
sweeping is prohibited. The cleaning contractor will not clean inside drawers, cabinets, bieakfionts,
etagers and similar enclosed storage and display spaces. Cleaning of clothing and accessories
(handbags, shoes etc.) shall be the responsibility ofthe occupant A detailed description ofthe
minimum cleaning requirements is as follows:
a. Terraces, balconies, exterior window sills, window wells and window guards that are
accessible from the interior of the dwelling, will be cleaned.
b. Interior windows, screens, window sills and window guards will be cleaned
c. Vacuuming will begin with the ceiling, continue down the walls and include the floor.
d. Impermeable walls and floors will be wet wiped using disposable wipes, after consultation
with and approval by owner. Wet wiping will not be conducted if it is determined that it
would cause damage to the surface.
e. Carpets will be cleaned with a hot water extraction cleaner after consultation with and
approval by owner. The cleaner shall be equipped with a motorized agitator brush and have
a static water lift of95 to 110 inches. After cleaning, red rosin construction paper will be
applied to high traffic areas to protect carpets from soiling. Hot water cleaning will not be
conducted if it would cause damage to the carpet.
f. Fabric covered furniture will be cleaned with a hot water extractions cleaner after
consultation with and approval by owner. Hot water cleaning will not be conducted ifit
would cause damage to the furniture.
g- Curtains, fabric window treatments, upholstery and other materials that are not cleaned by
wet methods (wet wiping and hot water extraction cleaning) will be HEPA vacuumed two
times. Fabric covered furniture that is not cleaned by wet methods will be vacuumed using
a stiff brush attachment.
h. Intake/discharge registers ofHVAC systems (ifpresent)willberemoved/cleaned. The first
foot ofduct work will also be vacuumed; then the register will be reinstalled and covered
with plastic.
1. Window and room air conditioners will be vacuumed and removed from their housing to
allow access to internal portions of the air conditioner. The internal portions of the air
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