3/22/25, 9:28 IICRC - Commercial Drying Specialist Flashcards |
AM
IICRC - COMMERCIAL DRYING SPECIALIST EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
Terms in this set (270)
1) Provide for the safety & Health of Workers and Occupants 2) Inspect and
Document the Project (initial / ongoing inspection / final inspection) 3) Mitigate
The principles of restoration as described further Damage (control the spread of contaminants, control the spread of water) 4)
by the S500 on a restoration project Clean & Dry Affected Areas 5) Complete the Restoration & Repairs (remove excess
are... water, enhance evaporation, remove water vapor through dehumidification and
ventilation & control temperature)
size & complexity of mechanical and HVAX systems // building electrical systems
Describe at least 3 characteristics of vary in complexity, amount of voltage and training required to qualify for working on
commercial drying projects that make this equipment // energy management systems // challenges related to public
it different from typical residential access and security are typical // multiple stake holders on a. commercial project //
ones commercial construction practices, materials and codes are complex and varied
How does the S500 describe the commercial = buildings or facilities where the use is primarily for retail, office, mixed-
following type of building - use and warehousing.
commercial?
How does the S500 describe the industrial = buildings or facilities where the use is primarily for manufacturing,
following type of building - industrial? foundry or distribution
power may be single phase or 3 phase, but is usually lighter than any of the other
What other details are there about
categories // the use of the building will dictate the build-out density, materials and
the following type of building -
HVAC systems used
commercial?
(will have more than sufficient power and with 3 phase power generally available //
the problem in these buildings are the safety regulations, in some, it may take a full
What other details are there about the day or more to be trained and approved to enter the facility // in some access,
following type of building - industrial? access is usually very tightly controlled and require escorts // typical of many
buildings in process or manufacturing facilities are raised-floor environments to
allow changes in cabling, power distribution and process control lines)
institutional = "buildings or facilities where the use is primarily for public facilities such
How does the S500 describe the
as schools, hospitals, municipal buildings, sports complexes, airports, libraries or
following type of building -
other governmental facilities"
institutional?
can have issues of power availability, public access, security, or various layers of
authority and organizational hierarchy // if healthcare, various regulatory
What other details are there about the
agencies will be involved and will need sign-off on facilities' certification to
following type of building - institutional?
reopen // other
potential issues: requirement for security clearance, decision making process may
be lengthy and access could be limited
complex residential = "residential facilities such as a townhouse, condominium,
How does the S500 describe the
apartment complex, hotel, multi-family dwellings, or large single family mansions
following type of building - complex
or estates"
residential?
working in condominiums need to be aware of the many issues involved in this type
What other details are there about
work, including accessing the unit, condo laws that defines responsibility for walls
the following type of building -
and materials, units remaining wet can compromise the drying of others, condos
complex residential?
usually require a large amount of small equipment
another type of building that is frequently encountered // they are all over the world
How does the S500 describe the
and may be scattered in a nd around modern buildings // they are often on national
following type of building - historical
or local historical registries and pose unique challenges
buildings?
1/
7
, 3/22/25, 9:28 IICRC - Commercial Drying Specialist Flashcards |
AM
What other details are there about the outdated or inadequate power // funding issues // required approval by 3rd party
following type of building - historical organizations (e.g. historical registries) or specialized experts (preservationists)
buildings?
What is a critical step during the determin the potential for injury to employees or occupants
initial inspection...?
fire sprinklers // computer server rooms and networks // multiple HVAC zones //
How can the size and complexity of
understanding the HVAC zones will help reduce the potential for cross-
mechanical HVAC systems vary...?
contimination and help maintain drying environment
What are the electrical designations? Volts/phase/hertz
EMS = Energy Management System (aka building management systems) // EMS cycle
runtime of various systems to save energy and may be managed off site / any
What is an EMS? changes would be coordinated with building engineer // E systems can make
maintaining your drying environment more difficult, e.g. energy recovery units,
economizers)
onsite security is handled by 3rd party companies // security clearances and escorts
Describe some challenges related to
are often required in secure facilities // this can lengthen time to mobilize
public access and security...?
equipment and personnel
lots more complexity with project management, communication, administration //
How do multiple stakeholders complicate
daily meetings with the stakeholders are often scheduled // everyone has their own
projects?
agenda and think their area of need is the most critical
old & new construction practices can be encountered in the same building //
how are the commercial construction,
multiple renovations often introduce unexpected construction // there can be a
materials, codes and practices add
construction area that you do not understand can be the one that delays the entire
complexity to projects?
project
1. Hazard Identification & Risk Assessment 2. Preliminary Determination water
What are the 5 Steps a restorer will
category 3. Establish dry standard(s) 4. Determine drying goal(s) 5. Identify need for
follow during the initial visit?
specialized experts
the range of contimination of Water (Cat 1 = sanitary water source, does not pose
substantial risk, e.g. water supply lines, falling rainwater // Cat 2 = significant
What do Categories of water Refer to? contamination and has the potential to cause discomfort or sickness, e.g. overflows
from washing machines, broken aquariums // Cat 3 = grossly contaminated... can
cause significant adverse reactions (sewage / water back flows)
Who determines the category of Water? The Restorer
the amount of water absorption and evaporation load Class 1 = least, less than 5% //
Classes of water for to... Class 2 = significant, 5-40% // Class 3 = greatest, more than 40% // Class 4 = deeply
held or bound water
a reasonable approximation of the moisture content or level of a material prior to a
A dry standard is...
water intrusion"
drying goals are target moisture levels of materials that are determined by the
What are drying goals? restorer and are based on, though not necessarily the same as the measured dry
standard.
TRUE/FALSE - It is recommended that most TRUE
drying goal(s) be within 10% of its dry
standard.
If the restorer has been informed by the FALSE - do not take the customer's word alone, trust but verify!
customer that water did not affect adjacent
areas or floors, the restorer is safe to
assume that.
2/
7
AM
IICRC - COMMERCIAL DRYING SPECIALIST EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
Terms in this set (270)
1) Provide for the safety & Health of Workers and Occupants 2) Inspect and
Document the Project (initial / ongoing inspection / final inspection) 3) Mitigate
The principles of restoration as described further Damage (control the spread of contaminants, control the spread of water) 4)
by the S500 on a restoration project Clean & Dry Affected Areas 5) Complete the Restoration & Repairs (remove excess
are... water, enhance evaporation, remove water vapor through dehumidification and
ventilation & control temperature)
size & complexity of mechanical and HVAX systems // building electrical systems
Describe at least 3 characteristics of vary in complexity, amount of voltage and training required to qualify for working on
commercial drying projects that make this equipment // energy management systems // challenges related to public
it different from typical residential access and security are typical // multiple stake holders on a. commercial project //
ones commercial construction practices, materials and codes are complex and varied
How does the S500 describe the commercial = buildings or facilities where the use is primarily for retail, office, mixed-
following type of building - use and warehousing.
commercial?
How does the S500 describe the industrial = buildings or facilities where the use is primarily for manufacturing,
following type of building - industrial? foundry or distribution
power may be single phase or 3 phase, but is usually lighter than any of the other
What other details are there about
categories // the use of the building will dictate the build-out density, materials and
the following type of building -
HVAC systems used
commercial?
(will have more than sufficient power and with 3 phase power generally available //
the problem in these buildings are the safety regulations, in some, it may take a full
What other details are there about the day or more to be trained and approved to enter the facility // in some access,
following type of building - industrial? access is usually very tightly controlled and require escorts // typical of many
buildings in process or manufacturing facilities are raised-floor environments to
allow changes in cabling, power distribution and process control lines)
institutional = "buildings or facilities where the use is primarily for public facilities such
How does the S500 describe the
as schools, hospitals, municipal buildings, sports complexes, airports, libraries or
following type of building -
other governmental facilities"
institutional?
can have issues of power availability, public access, security, or various layers of
authority and organizational hierarchy // if healthcare, various regulatory
What other details are there about the
agencies will be involved and will need sign-off on facilities' certification to
following type of building - institutional?
reopen // other
potential issues: requirement for security clearance, decision making process may
be lengthy and access could be limited
complex residential = "residential facilities such as a townhouse, condominium,
How does the S500 describe the
apartment complex, hotel, multi-family dwellings, or large single family mansions
following type of building - complex
or estates"
residential?
working in condominiums need to be aware of the many issues involved in this type
What other details are there about
work, including accessing the unit, condo laws that defines responsibility for walls
the following type of building -
and materials, units remaining wet can compromise the drying of others, condos
complex residential?
usually require a large amount of small equipment
another type of building that is frequently encountered // they are all over the world
How does the S500 describe the
and may be scattered in a nd around modern buildings // they are often on national
following type of building - historical
or local historical registries and pose unique challenges
buildings?
1/
7
, 3/22/25, 9:28 IICRC - Commercial Drying Specialist Flashcards |
AM
What other details are there about the outdated or inadequate power // funding issues // required approval by 3rd party
following type of building - historical organizations (e.g. historical registries) or specialized experts (preservationists)
buildings?
What is a critical step during the determin the potential for injury to employees or occupants
initial inspection...?
fire sprinklers // computer server rooms and networks // multiple HVAC zones //
How can the size and complexity of
understanding the HVAC zones will help reduce the potential for cross-
mechanical HVAC systems vary...?
contimination and help maintain drying environment
What are the electrical designations? Volts/phase/hertz
EMS = Energy Management System (aka building management systems) // EMS cycle
runtime of various systems to save energy and may be managed off site / any
What is an EMS? changes would be coordinated with building engineer // E systems can make
maintaining your drying environment more difficult, e.g. energy recovery units,
economizers)
onsite security is handled by 3rd party companies // security clearances and escorts
Describe some challenges related to
are often required in secure facilities // this can lengthen time to mobilize
public access and security...?
equipment and personnel
lots more complexity with project management, communication, administration //
How do multiple stakeholders complicate
daily meetings with the stakeholders are often scheduled // everyone has their own
projects?
agenda and think their area of need is the most critical
old & new construction practices can be encountered in the same building //
how are the commercial construction,
multiple renovations often introduce unexpected construction // there can be a
materials, codes and practices add
construction area that you do not understand can be the one that delays the entire
complexity to projects?
project
1. Hazard Identification & Risk Assessment 2. Preliminary Determination water
What are the 5 Steps a restorer will
category 3. Establish dry standard(s) 4. Determine drying goal(s) 5. Identify need for
follow during the initial visit?
specialized experts
the range of contimination of Water (Cat 1 = sanitary water source, does not pose
substantial risk, e.g. water supply lines, falling rainwater // Cat 2 = significant
What do Categories of water Refer to? contamination and has the potential to cause discomfort or sickness, e.g. overflows
from washing machines, broken aquariums // Cat 3 = grossly contaminated... can
cause significant adverse reactions (sewage / water back flows)
Who determines the category of Water? The Restorer
the amount of water absorption and evaporation load Class 1 = least, less than 5% //
Classes of water for to... Class 2 = significant, 5-40% // Class 3 = greatest, more than 40% // Class 4 = deeply
held or bound water
a reasonable approximation of the moisture content or level of a material prior to a
A dry standard is...
water intrusion"
drying goals are target moisture levels of materials that are determined by the
What are drying goals? restorer and are based on, though not necessarily the same as the measured dry
standard.
TRUE/FALSE - It is recommended that most TRUE
drying goal(s) be within 10% of its dry
standard.
If the restorer has been informed by the FALSE - do not take the customer's word alone, trust but verify!
customer that water did not affect adjacent
areas or floors, the restorer is safe to
assume that.
2/
7
