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Essentials for Healthy Homes Practitioners
Index to Exercises
Exercise Number Exercise Title
Page Number(s) in Exercise Section of Student Workbook
Exercise #1 Making the Connection Page 1
Exercise #2 Healthy Homes Statistics Pages 2-3
Exercise #3 Model Housing Code Pages 4-5
Exercise #4 Epidemiologic Triangle Pages 6-7
Exercise #5 Identify Moisture Problems Page 8
Exercise #6 Identify Pest Problems Page 9
Exercise #7 Identify Ventilation Problems Page 10
Exercise #8 Find the Child Safety Devices or Practices Pages
11-12
Exercise #9 Use a Visual Assessment / Identify Potential
Violations Pages 13-16
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Essentials for Healthy Homes Practitioners
Exercise 1: Make the Connections - See the Big Picture
Health Impacts Housing Hazards Corrective Action Resources
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Exercise 2: Get a Handle on Healthy Homes
StatisticsInstructions
From the References tab in your binder, take out the “American
Housing Survey – National 2011” packet. If you have a separate
packet on a specific Metropolitan Statistical Area (MSA), take that
out too. Then answer the following questions using the national
data or MSA data as assigned by the instructor. The instructor may
assign you or your group specific questions to answer.
NOTE: Review your answers to this exercise in preparation for
the Healthy Homes Specialist Credential test.
About the 2011 American Housing Survey National Data Packet: The
packet is twelve pages long and consists of two parts:
•• Selected Elements Related to Healthy Homes – Seven Pages•⎯
General Information: Occupancy, Units in Structure, Year Structure
Built, and Foundation•⎯ Exterior Information: External Building
Conditions and Water Leakage During Last 12 Months•⎯ Interior
Information: Damage, Water Leakage During Last 12 Months, Rodents,
and Electrical•⎯ Sanitation & Water Information: Lack of
Facilities, Drinking Water Safety; and Sewage Disposal /Safety
Equipment•⎯ Heating & Fuel Information: Main Heating
Equipment, Water Heating Fuel, Clothes Dryer Fuel, and Heating
Problems•⎯ Selected Physical Problems: Severe Physical Problems,
Moderate Physical Problems, and
Overall Opinion of Structure
•• About the American Housing Survey – Five Pages•⎯ Overview•⎯
Key Definitions Related to Healthy Homes•⎯ AHS’s Rating System for
Physical Problems•⎯ Potential Errors in American Housing Survey
About the 2011 American Housing Survey MSA Data Packet: The
packet for a specific MSA is similar to the 2011 AHS National Data
with the following changes:
•• The MSA Data information is compared to next closest National
Data. For example, 2004 MSA data is compared to the 2005 National
Data.•• National data is only listed when the MSA percentages has
at least 20% relative difference from the national percentage and
an absolute difference of at least 0.25% from national
percentage.
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Write the number for each characteristic.
_________ # of homes with severe physical problems (note that
units are thousands of homes)
_________ # of homes with moderate physical problems
_________ # of homes with either severe or moderate problems
_________ % of homes with exterior water leakage in past 12
months
_________ % of homes with interior water leakage in past 12
months
_________ % of homes with signs of mice in past 3 months
_________ % of rental homes built before 1980
_________ % of homes with warm-air furnaces
_________ % of homes with a clothes dryer fueled by gas (piped
or LP)
_________ % of renters rating their home a 1 or 2 (where 1 as
worst possible and 10 as best possible)
Checkmark the most common cause of each type of problem.
Exterior water leakage Interior water leakage Moderate physical
problems
Walls or window problems Leaking pipes Plumbing
Basement problems Broken fixtures Heating
Roof problems Broken water heater Upkeep
Other/unknown Other/unknown Kitchen
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Exercise 3: Get a Handle on a Model Housing CodeInstructions
From the References tab in your binder, take out:
1. International Property Maintenance Code (IPMC)
2. HUD Housing Quality Standards (HQS)
The instructor may assign you or your group specific questions
to answer.
Questions:
1. If rats are found, is simply killing them sufficient to
comply with the code? a. Yes b. No c. Maybe
2. Is a crack in an exterior brick wall a violation of the code?
a. Yes b. No c. Maybe
3. Is a disconnected downspout a violation of the code? a. Yes
b. No c. Maybe
4. What must be done to repair flaking interior paint? a. Fix
cause of peeling b. Remove all paint whether peeling or not
c. Test for lead dust hazards d. Correct defective surface
condition
5. Which room is not allowed to have carpeting? a. Kitchen b.
Bathroom c. Child’s Bedroom
6. Does the exhaust of an electric clothes dryer have to be
vented outside? a. Yes b. No c. Maybe
7. Must a bathroom have an exhaust fan that vents outside?a. Yes
b. No c. Maybe
8. Can a landlord let the air temperature go below 60ºF under
any circumstances? a. Yes b. No.
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What other model codes apply to existing buildings that are not
being reconstructed?
a. International Residential Code b. International Fire Code
c. International Existing Building Code d. All of the above.
10. What is the minimum temperature for hot water at the
tap?
a. 43º F b. 110 º F c. 125 º F d. 68 º F
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Exercise 4: The Epidemiologic Triangle The purpose of this
exercise is to help you better understand the epidemiologic
triangle and how it can be used for addressing healthy housing
issues.
The Epidemiological Triangle can be used whether the disease or
illness is acute (causes symptoms that are immediately
recognizable) or chronic (symptoms develop over time and for that
reason may not be readily identified with the exposure). The
triangle can also be useful to understand the process involved with
unhealthful conditions, such as those that cause physical
injury.
Host
TransportMechanism
Environ- mentAgent
InstructionsFor each of the scenarios described below draw an
epidemiological triangle. Identify the host (as well as any factors
that make the host susceptible), environment, agent, and vector.
Fill in the corners of the triangle.
Scenarios1. Acute DiseaseAn adult visits the home of a friend
and quickly develops a severe allergic reaction. The patient is
allergic to animals, but the friend has never had a pet of any type
in his home. However, the friend does state that he frequently has
problems with mice in the home.
2. Chronic DiseaseWhile her parents are finishing remodeling
their 1950’s home, a young child falls and incurs severe trauma on
her arm. An x-ray is taken at the hospital and while no breaks have
occurred, the doctor sees strong lines on the x-ray outlining the
bones. This can be an indication the child has been exposed to the
metal lead.
3. Physical ConditionIn a newly opened senior high rise living
facility, there are reports of an alarming number of falls.
Concerned that something in the construction of the apartments may
be causing or contributing to the falls, the manager visits the
residents to ask for details concerning the circumstances of each
fall. The conditions in common are as follows: all the falls
occurred at night or in the late afternoon after sundown; all
apartments are fully carpeted except for the kitchen and bathroom;
there is a raised marble threshold at the entrance to the kitchen
and bathroom that separates the ceramic tiles of these two rooms
from the carpeting on the other side of the threshold; and the
majority of the falls occurred when entering or leaving either or
both of these rooms.
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Scenario Host Agent Environment Transport Mechanism
1. Acute Disease
2. Chronic Disease
3. Physical Condition
Exercise 4: The Epidemiologic Triangle (continued)
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Exercise 5: Identify Moisture ProblemsInstructions Break up into
small groups according to instructor’s directions. Each group gets
a set of photos. Identify moisture problems and their potential
source. Avoid writing on the photos. After 15 minutes, the
instructor will review the photos and the answers with the
class.
Photo Potential Moisture Problems Proposed Correction
#1
#2
#3
#4
#5
#6
#7
#8
#9
#10
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Photo Potential Pest and Pesticide Problems Proposed
Correction
#1
#2
#3
#4
#5
#6
#7
#8
#9
#10
#11
Exercise 6: Identify Pest ProblemsInstructions Break up into
small groups according to instructor’s directions. Each group gets
a set of photos. Identify pest and pesticide problems and their
potential source. Avoid writing on the photos. After 15 minutes,
the instructor will review the photos and the answers with the
class.
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Exercise 7: Identify Ventilation ProblemsInstructions Break up
into small groups according to instructor’s directions. Each group
gets a set of photos. Identify ventilation problems and their
potential source. Avoid writing on the photos. After 15 minutes,
the instructor will review the photos and the answers with the
class.
Photo Potential Ventilation Problems Proposed Correction
#1
#2
#3
#4
#5
#6
#7
#8
#9
#10
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Exercise 8: Find the Child Safety Devices or
PracticesInstructions -Below is a cross-section of a home. By each
number is a safety precaution families can use to reduce the
chances of injury. For each number, identify the safety device and
the injury that it is designed to protect against.
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Safety Device Description of the Safety Injury that Safety
Device or Number Device or Practice Practice is Designed to
Avoid
#1
#2
#3
#4
#5
#6
#7
#8
#9
#10
#11
#12
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Exercise 9: Practice Visual Assessment & Identify Potential
ViolationsInstructions: The purpose of this exercise is to
familiarize you with a common visual assessment tool and help you
understand its strengths and weaknesses so you may better evaluate
the tools that will fit your program.
Step 1: Take the packet from the References section of the
binder labeled “CEHRC Visual Survey Report and Instructions”. Look
through the instructions. The trainer will review key elements of
the instructions and then show you a series of photos. Based on the
photos complete the visual assessment form. You do not need to
complete the floor plan or site plan.
Step 2: Using the International Property Maintenance Code or
your local housing or other code as directed by the instructor,
identify which rooms had potential violations of the law. Indicate
the code sections, which problems are clearly violations and which
ones require more investigation. If something requires more
investigation, then identify what investigation is needed.
Step 3: Identify three strengths and three weaknesses of the
CEHRC Visual Survey.
About the Packet:
Healthy homes programs have developed many tools to conduct a
visual assessment for healthy homes issues. Most of the healthy
homes visual assessments are tailored to the particular needs of
the program. Many community-based organizations used the CEHRC
Visual Survey developed by the Alliance for Healthy Homes. It
stands for the Community Environmental Health Resource Center.
The Visual Survey is the first step in the CEHRC hazard
assessment process. The Visual Survey gives hazard investigators an
initial opportunity to talk to residents about things they have
noticed about their home. Looking around the outside and inside of
the home, hazard investigators can begin to understand the general
condition of the home, and target sampling as appropriate. Some
hazards will only be assessed through the Visual Survey as visual
evidence of a hazard might be sufficient to trigger control
measures or other action. Others require more sampling to quantify
the particular hazard.
The CEHRC’s Visual Survey consists of:
•• Instructions;
•• Visual Survey Report;
•• Floor Plan; and
•• Site Plan.
The materials are available in Spanish and English.
For this exercise, we will use the Visual Survey Report.
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Make a checkmark ( ) if the problem appears in the room or area.
For deteriorated paint and water damage,indicate the extent of the
problem (see instructions) Use the extra rows to identify any other
hazards you notice.Put an asterisk ( * ) above any room(s) where a
child sleeps or plays. Circle (❍) where you photograph a
problem.
If renting, received lead hazard disclosure information from
landlord? Yes No
Follow-up visit scheduled for: Date _______________ Time:
_________________
Ext
erio
r
Porc
h
Ent
ryw
ay
Liv
ing
Ro
om
Din
ing
Ro
om
Kit
chen
Bed
roo
m 1
Bed
roo
m 2
Bed
roo
m 3
Bat
hro
om
1
Bat
hro
om
2
Bas
emen
t
ROOM OR AREA
PROBLEM
Deterioratedpaint
Soil with no grass or mulch
Cockroaches
Rodents
Holes in wall
Mold/Mildew
Water Damage: walls wet/newly stained
Strong musty smell
Natural gas/sewer gas smell
Unvented gas oven/dryer/heater
Worn-out carpeting
Other:
Other:
Other:
Other:
Other:
Obvious source of moisture
No obvious source of moisture
WallsWindows, door, or trimPaint chips on floor
Resident:
Alternate Contact:
Address:
Unit # Unique ID
Resident Phone:
CEHRC: Community Environmental Health Resource Center
www.cehrc.orgRevised 3/04
Visual Survey Report
123456789012345678901234567890121234567890123456789012123456789012345678901234567890121234567890123456789012123456789012345678901234567890121234567890123456789012123456789012345678901234567890121234567890123456789012
1234512345123451234512345
Visual Conducted by:_________________________________
Date:_________________________________
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Step 2: Identify the Potential Code Violations in Photos
Page 15
Area of Home Nature of Violation/ Code Sections Potentially
Violated
Nature of Violation
Definite Potential
Responsible Person
Owner OccupantExterior
Porch
Entryway
Living Room
Dining Room
Kitchen
Bedroom 1
Bedroom 2
Bedroom 3
Bathroom 1
Bathroom 2
Basement
Other: ___________
Other: ___________
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Step 3: Evaluate CEHRC Visual Survey
Three Strengths:
1.
2.
3.
Three Weaknesses:
1.
2.
3.
Page 16
Essentials Exercise 1-Make the ConnectionsEssentials Exercise
2-Healthy Homes StatisticsEssentials Exercise 3-Model Housing
CodeEssentials Exercise 4-Epidemiologic TriangleEssentials Exercise
5-Identify Moisture ProblemsEssentials Exercise 6-Identify Pest
ProblemsEssentials Exercise 7-Identify Ventilation
ProblemsEssentials Exercise 8-Child Safety DevicesEssentials
Exercise 9-Practice Visual Assessment