What’s wastewater?
Everything that enters the collections system
CMOM
Capacity management operation maintenance
How are sewer lateral lines connected to the main?
With a Y connector
What’s different about piping going to a vacuum pump in collection systems?
They’re sawtooth shaped
What’s the cutoff that’s considered high speed in traffic?
40 mph
How do you determine low volume traffic?
3 cars after 5 minutes
How big should advanced warning signs be? High speed
48” x 48”, or 36
SSO or SSS
Sanitary sewer overflow or spill
How tall are daytime cones and low speed?
Not less than 18”
Minimum distance of spoil
2 - 5ft
What cuts pavement?
Wheel type cutter, clay spade, or stomper
GFCI
Ground-Fault Circuit Interrupter
Invert
Bottom of pipe
Per capita flow, residential
70 - 100g
What connects 2 manholes opposite a siphon to help with flow?
Air jumper
How deep should sewer be?
6 ft
Total stop distance
Perception reaction braking
Minimum size for high speed cones/
28”
SAR
Supplied air respiratory
APR
Air purifying respirator
Minimum sound for an alarm?
80 db
Maximum db for an 8 hour period
90db
