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Terms in this set (229)
Category of Water that originates from sanitary water
Category 1
source (Clean)
Category of Water that is contaminated; may cause
Catetroy 2
discomfort or sickness (Grey)
Category of Water that is grossly contaminated;
Category 3
includes toxins, pathogens
Special Situation Regulated or hazardous materials
Class of water that has least amount of water,
Class 1
absorption and evaporation
Class of water that has large amount of water,
Class 2 absorption and evaporation (carpet; cushion; base of
walls)
Class of water that is the greatest amount of water,
Class 3 absorption and evaporation (ceiling; walls; insulation;
flooring)
Class of water - Hardwood; plaster; concrete - Deep
Class 4
pockets of saturation
Remove excess / Evaporation / Dehumidification
Principles of Drying
(Ventilation) / Temperature Control
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Extraction Tool - Perimeter of water loss; extract glue-
Light Wand
down carpets
Stationary Tool (Water Extraction Tool - Subsurface Tool; Extract Carpet and
Claw) Cushion.
Extraction Tool - (Rober; Xtreme Xtractor) - Riding
Self-Propelled Tools
Tool; multi-speed; extract carpet and cushion.
Vacuum Squeegee Extraction Tool - Concrete; hardwood; vinyl; laminate;
Evaporation Tool - centrifugal (laminar); axial (high-
Airmovers
amperage; low amperage; focus ability)
1 per 10-16 linear ft. of wall Placement of Airmovers
area; 15-45 degree focus;
almost touching wall.
(SCDS)
Structural Cavity Drying
vented (turbovents 18" - 48" widths' Octidry; Air Wolf
Systems
injected (Injectidry; Dri-Force; Direct-it In)
vented (Air Wolf)
Floor Drying System
Injected - negative air mats (Dri-Force; Injectidry)
AFDs (negative air machines; air scrubbers; HEPA
Air Filtration Devices
filters)
On dehumidification equipment it is the pints removed
AHAM Rating
at 80 degrees and 60% humidity in 24 hours.
Temperature - 68 degress
Standard Refrigerant Relative Humidity - 60%
Specific Humidity (gpp) - 55-60
Temperature - 33 degrees
Conventional Relative Humidity - 40%
Specific Humidity (gpp) - 55-60
Temperature - 40 degrees
Low Grain Refrigerant
Relative Humidity - 30%
(LGR)
Specific Humidity (gpp) - 28-35
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Temperature - 32 degrees
Desiccant Relative Humidity - 10% - below
Specific Humidity (gpp) - 10-15 - below
Dehumidifiers that are most efficient operating
Refrigerants
conditions 70-90 degrees (most energy efficient)
Dehumidifiers that are most efficient with incoming air
from coolest/driest air possible; capable of creating
Desiccants
pressure differentials; produces low specific humidity
required to dry Class 4 materials.
Initial Dehumidification Calculations
Class 1 = 100
Conventional Class 2 = 40
Class 3 = 30
Class 4 = N/A
Initial Dehumidification Calculations
Class 1 = 100
LGR Class 2 = 50
Class 3 = 40
Class 4 = 50
Initial Dehumidification Calculations
Class 1 = 1 ACH
Desiccant Class 2 = 2 ACH
Class 3 = 3 ACH
Class 4 = 2 ACH
Amperes (amperage or The amount of electricity (current) flowing in a circuit
amps)
Voltage The force of electricity flow in a circuit
The amount of electricity an electrical devices uses
Watts
when operating
BTUs (British Thermal Heat generated by electrical device.
Units)
amps x volts x 3.4 BTUs per hour formula
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