Safety
Temporary Traffic Control Plan (TTC)
What is a disruption of the traffic controls to be used for facilitating traffic through a work zone?
Combined Sewers
What are sewers designed to collect stormwater and sewage
Electrical Fire
What type of fire is a Class C Fire Extinguisher used for?
Treatment Plant
What cleans dirty water, removes harmful substances, and makes the water safe?
L x W
What is ft2 of a Squire
Evacuated, Ventilated, and Retested
What must happen if an alarm condition develops in a confined space
Domestic, Commercial, and Industrial Wastewater
What are sanitary sewer systems designed collect and transport?
Green marks on the ground
What is Sanitary Sewer locations
Primary Treatment, Secondary Treatment, Tertiary Treatment
What are the three stages of Wastewater treatment
.785D2
What is the ft2 of a circle ?
Air supplied respirators
What is respirator provides the highest level of protection ?
Bacteria, Viruses, Protozoa, and fungi.
What pathogens are contained raw sewage they carry?
19.5% - 23.5%
What % should Oxygen levels should be between in a confined space?
Clarifiers
Are tanks designed to settle solids from the supernatant
.785D2 x H
What is the ft3 of a Cylinders
Safety Data Sheet
Which document will provide the name of the product and the manufacturer, potential hazards, and information for handling and storage of a Chemical?
FOG
What is Fats, Oils & Grease
Methane, hydrogen sulfide and carbon monoxide
What toxic gasses can be form by wastewater?
Biosolids
What is thicken or dried sludge that is land applied
Q = VA
What is the quantity formula?
Confined Space
What is a space large enough for an employee to enter and work, has limited entry and exits and cannot sustain constant occupancy?
Blockages & Line Breaks
What are possible causes of SSO's
Sloping, Shoring, Trench Box,
What are ways to insure trench safety?
99%
What is the amount of harmful material removed from the wastewater before entering the receiving stream?
MGD x 8.34 x mg/L