Safety
What a Temporary Traffic Control Plan (TTC) is for
What is a plan to disrupt normal traffic flows to control traffic through a work zone?
Combined Sewers
What are sewers designed to collect stormwater and sewage
A Class C Fire Extinguisher
What type fire Extinguisher is a for electrical fires?
It's what Treatment Plants do
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 before reentry
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 ?
The respirator that provides the highest level of protection
What is an Air Supplied Respirators?
Pathogens
What is a disease causing microbes that can be Bacteria, Viruses, Protozoa, or Fungi?
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
A Document will provide the name of the product, the manufacturer, potential hazards, and information for handling and storage of a Chemical
What is a Safety Data Sheet?
FOG
What is Fats, Oils & Grease
Methane, hydrogen sulfide and carbon monoxide can be formed
What toxic gasses can result for wastewater going septic?
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?
Two possible causes of SSO's
What are Blockages & Line Breaks?
Sloping, Shoring, Trench Box, Benching
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