middy Flashcards
3 major component part of drainage system
- drainage
- vent
- waste
peipe that receives and conveys discharges from water closet
drainage pipes
pipe in a drainage installation that receives the discharges of any fisture. EXCEPT WATER CLOSET
waste pipes
2 types of waste pipes
- direct waste
- indirect waste
one with terminal directly connected to the plumbing system (waste pipe)
direct waste
refers to a connection with terminal not directly connected to the plumbing system (waste pipes)
Indirect waste
refers to a horizontal pipe that receives discharges from the water closet
Soil branch
financed and maintained by the government
main sewer line
that portion of the horizontal drainage system
house sewer
general conditions for a good waste pipe and soil pipe installation
- right choice of materials
- conservative use of fittings
- right location of the cleanouts
- right slope or grade of the pipelines
- using the right size of pipe
- correct manner of joining the pipes
the character of waste to be drained and the service to which intended for dictates
right choice of materials
wste pipeline failures were attributed to unwanted use of accessories and too many fitting
conservative use of fittings
a receptable accessible on floor, walls or ceiling s and equipped with a plug
clean out
ideal posistion of a horizontal waste pipe
2% slope
occurs when a grade or slope of the pipe is increased from 2% to 4%
trap seal loss
the national plumbing code strongly endorse the use of this as waste load in determining the size of waste pipe
the fixture unit
joined by the use of oakum and lead at the hub of and spigot connections
cast iron pipes
specifies the use of solvent plastic cement or by a special fitting connector
plastic pipes
collection and safe disposal of human waste
sewage disposal system
types of sewage disposal system
- cesspool
- privy
- public line sewer
- septic tank
a hole in the ground curbed with stones, bricks, concrete hollow blocks or other materials
cesspool
a concrete sealed vault with a wooden shelter constructed for the collection of raw sewage
privy
operated and maintained by the government consisting of a sewage treatmen tplan
public sewer line
is a receptable or vault used to collect organic waste discharged from the house sewer
septic tank
water discharged from any private sewage disposal system
effluent
the term for inlet and outlet sanitary tees in the septic tank
baffle
solid waste materials which setlled down in the wastewater treatment process
sludge
fatty materials that float in the liquid
scum
disposal of effluents
- public sewer line
- subsurface disposal field
- seepage pits
- combination of subsurface disposal field and seepage pits
