Lesson 4 Flashcards
Req for roof areas, courts et to collect storm water
Storm drainage
Unit of plumbing system that conveys rain or storm water
Storm drain
2 types of sump pump
Pedestal and submersible
Mounted above pit
Pedestal pump
Mounted inside pit
Submersible pump
All solids are ground into fine particles allowing then to pass throughpump
Grinder pump
Designed to pump liquid human waste
Effluent pump
A hole in the ground with stones and bricks laid in such manner to allow contaminated sewage to leach
Cesspool
A concrete vault constructed for the collection or raw sewage sealed with a wooden shelter
Privy
Is a receptacle or vault used to collect organic waste discharge
Septic tank
Public sewage disposal system consist of a sewage treatnent unit which conveys raw sewage to the disposal system
Public sewer line
Serves as a clean out access
Manhole
Receptacle in which liquid are retained for a sufficuent period
Catch basin
Septic tanks should be located _______ from potable water
Not less than 15m
Popular and generally specified material for drainage installation
Cast iron pipe
2 types of cast iron pipe, generally use
Sv type
Type of cast iron pipe, underground
Xv type
Made of an alloy and cast iron and silicon, brittle and cracks easily
Acid resistant cast iron pipe
Cheapest, orange burg pipe. Suited for house sewer, may be dmged by hot water
Bituminous fiber sewer pipe
One of d Oldest material for sewer line, highly resistant to acids
Vitrified clay pipe
Oldest pipe used for plumbing. Hughly resistant to acids, poisonous
Lead pipe
Made up of mild steel drawn through a die and welded cast
Galvanized iron pipe
Most expensive pipe made of alloy zinc superior material for waste and water instalation has smooth interior surface
Brass pipe
Drable and extremely corrisive resistant
Smootj interior surface
Easy to install
Copper pipe
Developed in germany in 1935 introduced in ph
Superior type of pipe
Plastic pipe
Worlds 3rd most widely produced synthetic polymer of plastic
Pvc
Thermoplastic
Can withstand high temp
Chlorinated polyvinyl
Low maintenance material
Extensively used in building industry
UPVC
