"Continuous  Venting"  is  venting  in  the  rough.  It  con-
sists essentially  in  the  use  of  a  fitting  of  the  T-Y  style  in
such  a  manner  that  the  vent  may  be  taken  from  the  top  of  it
and  waste  from  the  bottom.
"Vent  Pipe"  is  any  pipe  provided  to  ventilate  a  system
of  piping  and  to  which  the  revent  pipes  are  connected.
104  ORDINANCES  OF  THE  CITY  OF  UBQANA

"Main  Vent"  is  the  vertical  line  of  air  pipe  running
through  three  or  more  floors  to  which  the  vent  or  re  vent
pipes  from  the  various  floors  are  connected.
"Soil  Vent"  or  "Waste  Vent"  is  that  part  of  the  main
soil  or  waste  pipe  which  is  above  the  highest  installed  fix-
ture waste  connection  and  extends  through  the  roof.
"House  Sewer"  is  the  vitrified  tile  sewer  beginning
four  feet  from  foundation  wall  and  connecting  the  house
drain  with  the  public  sewer,  cess  pool,  or  septic  tank.
"Wrought  Iron  Pipe"  shall  be  construed  to  mean  either
genuine  wrought  iron  pipe,  or  modern  mild  steel  pipe.
"Closet  Type"  of  fixture  is  one  having  an  integral
visible  trap  seal  and  a  flushing  rim  and  shall  include  water
closets,  pedestal  urinals  and  bidets.
"Full  Wiped  Joints"  shall  have  a  minimum  exposed
surface  of  the  solder  on  each  side  of  the  joints  of  three-
fourths  of  an  inch.
"Deep  Seal"  means  not  less  than  two  and  one-half  inches.
"Cast  Iron  Soil  Pipe  Closet  Bends"  are  fittings  for
screwing,  calking,  or  connecting  directly  to  soil  pipe  or  to
a  soil  pipe  fitting  which  has  an  integral  or  adjustable  closet
floor  flange.
"A  Dwelling"  means  a  building  intended  for  the  resi-
dence of  not  over  two  families.
