Walkthrough Inspection Checklist
This checklist is to
id during an IAQ
Walkthrough of tha
school. Thecheck-
ist includes consid-
erations both insido
and outsida tha
school building:
Instructions:
1. Read the IAQ
Backgrounderand the
information in this
section.
2. For each area use the
checklist hints to guide
your observations. Note
any obvious potential
problems, including
description and location.
Use additional paper if
necessary,
3. Return the checklist to the
IAQ Coordinator and
keep a copy for future
reference.
Name:
Room or Area:
School:
Date Completed:
Signature:
The Walkthrough Inspection is not
intended to be an intensive, detailed, or
costly inspection, but rather a quick
overview of the conditions that affect
the quality of air within your school.
You may wish to have someone who is
familiar with the operation of the
building, such as a facility operator or
custodian, assist you during the
inspection. The Walkthrough Inspec-
tion is part of the IAQ Management
Plan. While some schools wait until
the initial parts of the Plan have been
completed, some schools have had
success "jump-starting" their program
by beginning with a quick walkthrough
and taking immediate action where the
potential problems are obvious and
easy to correct
During your walkthrough inspection,
you can learn a lot by using your sense
of sight, smell, feeling, and hearing to
gain information on factors which
affect indoor air quality. You may even
be able to make immediate corrections!
Observe the general level of cleanli-
ness in classrooms and mechanical
rooms. Look for pollutant sources such
as mold, improperly stored chemicals,
or excessively dirty air filters and
ducts. Look for signs of water damage
which may point to an underlying
problem which increases the chance of
biological contaminants. And look for
blocked airflows such as those caused
by books or papers on top of unit
ventilators or plywood covering
outdoor air intakes.
Smell for unique or objectionable
odors—including mold, mildew, and
"chemical" smells—as you move from
room to room. Note any potential
sources of these odors.
Fed for uncomfortable air tempera-
tures, drafts, and high or low humidity,
and feel for air flowing into and out of
grilles and air vents.
Listen to the concerns of school
occupants regarding IAQ. Do they
provide clues to problems such as using
their own pest spray to control pests, or
turning off the unit ventilator because it
is too noisy during class-time? Do you
hear unusual equipment noises which
may indicate potential problems, and
do you hear air blowing out of supply
vents?
Do a walkthrough inspection in all
special-use areas, such as the cafeteria,
art rooms, and industrial arts areas.
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EXTERIOR INSPECTION
Begin the walkthrough inspection outside. You are looking for anything which might impact the air indoors. Considerations
include ventilation inlets, outdoor sources of pollution such as vehicle exhaust or pesticides, site drainage, holes in the building
shell, and evidence of pests. Use the checklist to guide your inspection, and note any relevant observations on this sheet or on a
plan of the school.
GROUND LEVEL LocatkxVObMnntion
» Ventilation units on and air flowing into
outdoor air intakes? (See Ventilation
Checklist for more information.)
• Outdoor air intakes free from blockage
or obstruction (boards, leaves, vegeta-
tion, snow, etc.)?
• No bird or animal nests or droppings
near outdoor air intakes?
• No garbage dumpsters located near
doors, windows, or outdoor air intakes?
• No painting, roofing, or maintenance of
the exterior of the building in the
vicinity of outdoor air intakes?
• No potential sources of air contami-
nants in the vicinity of the building
(chimneys, stacks, industrial plants,
exhaust from nearby buildings)?
• No vehicle engines (auto, truck, or bus)
exhaust near outdoor air intakes?
Vehicles left idling when parked at
loading zones or docks?
• No exterior pesticide application?
• ' Roof downspouts and scuppers drain
water away from tho building?
• -Good site drainage away from build-
ing?
• Sprinklers do not water excessively
near building, or over-spray onto
• building or into outdoor air intakes,
etc.?
• Clean walk-off mats at every exterior
entrance?
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ROOF
!! While on the roof, consider perform-
ing inspection of HVAC units (use
Ventilation Log)
• Roof in good repair?
• Evidence of ponding?
• Ventilation units on and air flowing into
outdoor air intakes? (See Ventilation
Checklist for more information.)
• Outdoor air intakes open, even at the
minimum setting? (See Ventilation
Checklist for more information.)
• Bird or animal nests or droppings near
outdoor air intakes?
• Plumbing stacks, 10 feet away from
outdoor air intakes?
• Exhaust fans operating and air flowing
out?
• Any exhaust air outlets within 10 feet of
outdoor air intakes?
ATTIC
• Evidence of roof or plumbing leaks?
• Bird or animal nests?
Location/OUwvatJon
LocatkxVOb
ition
INTERIOR INSPECTION
Continue the walkthrough inspection inside. You are looking for noticeable temperature & humidity concerns indications that
the ventilation system is functioning, general cleanliness, evidence of pollutant sources including mold and mildew, anything
which might impact the air indoors. Use the checklist to guide your inspection, and note any relevant observations on this sheet
or on a floor plan of the school.
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GENERALCONSiDERATONS u>«rtion/0bi«v«tion
IN CLASSROOMS AND
OTHERAREAS
Are temperature and humidity within
acceptable ranges?
Is air flowing into and out of the room
as designed?
Are supply and exhaust vents free from
blockage or obstruction?
Area free of objectionable odors?
No signs of mold or mildew growth?
No signs of unresolved or ongoing
water damage?
Is the area generally clean and dust
under control? •
Area free of evidence of pests or
obvious food sources or entryways?
Do the room occupants report any
concerns or problems?
BATHROOMS AND
GENERAL PLUMBING
• Bathrooms and restrooms have operat-
ing exhaust fans?
• All drains have traps?
• Drain traps are rilled with water (floor
drains, sinks, toilets)?
MAWTENANCESUPPUES
• Odorous or hazardous chemicals used
with adequate ventilation and only when
building is unoccupied?
• Air exhausted from chemical (e.g.,
custodial closets) and trash storage
areas?
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\
COMBUSTION APPLIANCES
• Combustion gas or fuel odors ever
detected?
• Combustion appliances have flues (e.g.,
furnaces, boilers, water heaters) or
exhaust hoods (e.g., kitchen ranges,
kilns)?
• Flue components free from leaks,
disconnections, deterioration, or soot?
• Soot on outside of flue components?
LocattoiVObtwv*tkxi
ODER
If me building was built before 1980, is
paint inside or outside free from peeling
or flaking? [lead paint hazard]
Have radon measurements been
performed in the school?
Location/Ob
ion
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