IICRC Commercial Drying Specialist (CDS)
| Exam questions with Corrected
Answers
Rooms around which you are likely to find sound attenuated wall construction are -
ANSWER Conference rooms
Executive offices
Auditoriums
Between apartment or condos
Areas you are likely to find multiple layers of drywall are - ANSWER School hallways
Hospital hallways
Elevator shafts
Mechanical rooms
Why is it important to identify HVAC zones - ANSWER To prevent potential for
cross contamination and to help maintain the drying environment
Some HVAC systems use the area above a drop ceiling as the return air plenum
- ANSWER True
Loose fill insulation (perlite, vermiculite) can sometimes be present in -
ANSWER Concrete masonry unit (CMU) activities
Fire rated drywall has special additives to achieve the rating and is labeled as type
______ - ANSWER X
,The first principle of restoration as described by the S500 on a restoration project is to
_____ - ANSWER Account for the health and safety of occupants
Describe at least three characteristics of commercial drying projects that make
it different from typical residential ones - ANSWER 1. Complex wiring
2. Public access and security
3. Multiple stakeholders
4. Electrical power
5. Complex construction, materials, codes
The S500 describes Commercial Buildings in the following way:
•Commercial
•Industrial
•Institutional
•Complex residential - ANSWER Commercial- mixed use buildings,
retail, office/warehouses, multi/tenant buildings
Industrial- used for manufacturing/distribution centers , foundries,
petrochemical plants, water/sewage treatment facilities
Institutional- public use facilities, schools, colleges, hospitals, libraries, offices
Complex residential- condos, apartments, hotels, private mansions
Decisions made following the initial inspection includes, but are not necessarily
limited to
, ________________________________________________________________________
________________________________________________________________________
____________________________________________ - ANSWER - Identify potential
hazards and perform risk assessments
- Preliminary determination of category of water
- Establish dry standards
- Determine drying goals
- Identify need for any specialized experts
Category of water refers to_____________________ - ANSWER The range of
contamination in the water
Who determines the Category of water?__________________________ - ANSWER The
restorer
Classes of water refers to _______ - ANSWER An approximation of the degree of water
absorption and evaporation
A dry standard is_______________ - ANSWER Approximation of the MC/ML of materials
prior to the water intrusion
Drying goals are_________ - ANSWER Target MC/ML of materials after water intrusion
The drying goals should be set that would be expected to:___________ and - ANSWER
Return structure, systems or contents to an acceptable condition and
inhibit ,microbial growth
| Exam questions with Corrected
Answers
Rooms around which you are likely to find sound attenuated wall construction are -
ANSWER Conference rooms
Executive offices
Auditoriums
Between apartment or condos
Areas you are likely to find multiple layers of drywall are - ANSWER School hallways
Hospital hallways
Elevator shafts
Mechanical rooms
Why is it important to identify HVAC zones - ANSWER To prevent potential for
cross contamination and to help maintain the drying environment
Some HVAC systems use the area above a drop ceiling as the return air plenum
- ANSWER True
Loose fill insulation (perlite, vermiculite) can sometimes be present in -
ANSWER Concrete masonry unit (CMU) activities
Fire rated drywall has special additives to achieve the rating and is labeled as type
______ - ANSWER X
,The first principle of restoration as described by the S500 on a restoration project is to
_____ - ANSWER Account for the health and safety of occupants
Describe at least three characteristics of commercial drying projects that make
it different from typical residential ones - ANSWER 1. Complex wiring
2. Public access and security
3. Multiple stakeholders
4. Electrical power
5. Complex construction, materials, codes
The S500 describes Commercial Buildings in the following way:
•Commercial
•Industrial
•Institutional
•Complex residential - ANSWER Commercial- mixed use buildings,
retail, office/warehouses, multi/tenant buildings
Industrial- used for manufacturing/distribution centers , foundries,
petrochemical plants, water/sewage treatment facilities
Institutional- public use facilities, schools, colleges, hospitals, libraries, offices
Complex residential- condos, apartments, hotels, private mansions
Decisions made following the initial inspection includes, but are not necessarily
limited to
, ________________________________________________________________________
________________________________________________________________________
____________________________________________ - ANSWER - Identify potential
hazards and perform risk assessments
- Preliminary determination of category of water
- Establish dry standards
- Determine drying goals
- Identify need for any specialized experts
Category of water refers to_____________________ - ANSWER The range of
contamination in the water
Who determines the Category of water?__________________________ - ANSWER The
restorer
Classes of water refers to _______ - ANSWER An approximation of the degree of water
absorption and evaporation
A dry standard is_______________ - ANSWER Approximation of the MC/ML of materials
prior to the water intrusion
Drying goals are_________ - ANSWER Target MC/ML of materials after water intrusion
The drying goals should be set that would be expected to:___________ and - ANSWER
Return structure, systems or contents to an acceptable condition and
inhibit ,microbial growth
