IICRC Commercial Drying Specialist
(CDS) 2025/2026 Exam Questions
Marking Scheme New Update | A+ Rated
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 ✔✔Complex
wiring
Public access and security
Multiple stakeholders
Electrical power
Complex construction,materials, codes
The S500 describes Commercial Buildings in the following way:
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
,•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
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
, ____________________________________________________________
____________________________________________________________
____________________________________________________________
________ - 🧠 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
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
(CDS) 2025/2026 Exam Questions
Marking Scheme New Update | A+ Rated
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 ✔✔Complex
wiring
Public access and security
Multiple stakeholders
Electrical power
Complex construction,materials, codes
The S500 describes Commercial Buildings in the following way:
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
,•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
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
, ____________________________________________________________
____________________________________________________________
____________________________________________________________
________ - 🧠 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
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
