The discharge from an ejector shall be through a connection located on the house side of the building house trap ten pipe diameters up stream from the trap in a properly vented air tight pit on the street side of the building house trap.
| on the street side of the building house trap.
|
Caulking ferrules are generally used as a connection between lead and cast iron pipe cast iron and brass pipe brass and wrought iron pipe steel and wrought iron pipe.
| lead and cast iron pipe .
|
The main reason cast iron pipe is particularly suitable for underground service resists corrosion very well 2 has a low initial cost is easy to handle and join can withstand high pressure.
| resists corrosion very well.
|
The minimum diameter of the fresh air inlet pipe for a 4" cast iron house drain trap is 2". 2 1/2" 3" 4".
| |
If a fresh air tee is properly connected to an 8" house drain, the minimum size for this F.A.I. should be 3" 4" 5" 8".
| |
A hubless cast iron sanitary system may be installed by using white oakum epoxy rubber/neoprene gaskets dresser couplings.
| |
When a plumber "sounds" as piece of cast iron soil pipe he is testing for sand holes cracks metal fatigue water leaks.
| |
The invert of a house drain is located top outside bottom inside true center 4j. bottom outside.
| |
A 4"x2" cast iron tapped tee is approved for use on wast lines vent lines gas lines house drains.
| |
The minimum allowable fall or grade per foot of house drain is 1/8" 1/4" 3/8" 1/2".
| |
Caulked joints for cast iron bell and spigot soil pipe shall be firmly packed with oakum or hemp and filled with molten lead to a depth of at least 1/2" 3/4" 1" 1 1/4".
| |
Oakum is a material used in lead work cast iron work screw pipe work copper tube work.
| |
Tinning the inside edge of a 4" brass ferrule will make a stronger joint when the lead passes through it and is then wiped. This is due to expansion bonding extrusion capillary action.
| |
The minimum diameter of water service pipe shall be 5/8" 3/4" 1" 1 1/4".
| |
A corporation stop is usually found on a service pipe installation two pipe jet pump bourdon gauge line hydraulic ejector line.
| service pipe installation.
|
The gooseneck on a copper water service that is connected to the city water main shall be laid to the left when facing the tap increased in diameter and reamed bend with the aid of warm sand laid to the right when facing the tap.
| laid to the right when facing the tap.
|
A hacksaw blade having 32 teeth to the inch is the best blade to use when cutting cold rolled steel shafting wrought iron pipe copper tubing stainless steel pipe.
| |
Brass is an alloy of lead and copper lead and tin tin and copper zinc and copper.
| |
Type "L" copper tubing is color coded red blue yellow green.
| |
Type "K" water service pipe is made of cast iron lead copper galvanized steel.
| |
The type of copper tubing approved for use as water service piping is DWV K L M.
| |
Capillary action takes place in the joining of screw pipe joints. bell and spigot joints compression fittings copper tube sweat joints.
| copper tube sweat joints.
|
The term 40/60 solder refers to 40% lead. 60% tin 40% tin, 60% lead 40% tin, 60% antimony 40% antimony, 69% lead.
| 40% lead. 60% tin
| 2. 40% tin, 60% lead. |
When brazing standard brass pipe fittings to copper or brass pipe, the silver brazing alloy used should have a melting point of less than 400*F less than 600*F less than 800*F more than 1,000*F.
| |
If lead and copper tubing service pipe is to be formed into a goose neck at the connection to a tap, the goose neck shall have an excess of at least 1 foot 2 feet 3 feet 4 feet.
| |
The purpose of the refill tub on a toilet tank is to refill the tank restore the seal of the water closet act as relief if the float ball hangs up prevent overflow.
| restore the seal of the water closet.
|
If the flood level rim of a basin is 31 1/2" above the floor, the minimum height the branch vent nay be above the floor is 30 1/2" 32 1/2" 37 1/2" 39 1/2".
| |
Entire or partial loss of the trap seal may result from disuse of the fixture over an extended length of tine. This loss would be due to evaporation absorption osmosis momentum.
| |
A plumber would come across a left hand thread when repairing or replacing a Douglas valve ball cock assembly toilet tank lever handle closet spud and flush elbow.
| toilet tank lever handle.
|
When a'trip lever waste and overflow is installed on a bath tub, the shoe piece is connected to the trap tee overflow. tail piece.
| |
The type of plumbing work where one would use an escutcheon would be roughing finishing testing estimating.
| |
A P.O, plug is associated with bath tubs water closets basins wall hung urinals.
| |
Connecting to a rear inlet spud is associated with a close coupled bowl and tank steam heating system wall mounted flush tank anchored with extra strong bolts.
| |
Water closet bowls for public use shall be supplied with potable water disinfected weekly of the elongated type anchored with extra strong bolts.
| |
The minimum number of fixture units allowed for a bathroom group containing one lavatory, one bathtub and one water closet (flush tank) is 4 5 8 10.
| |
One of the following which has the smallest "fixture unit" rating is a wash basin slop sink shower head drinking fountain.
| |
Floor flanges for water closets or similar fixtures shall be of cast brass and at least 1/16" thick 1/8" thick 3/16" thick 1/4" thick.
| |
Lavatories shall have waste outlets at least 1" diameter 1 1/4" diameter 1 1/2" diameter 2" diameter
| |
Bath tubs shall have waste outlet and overflows at least 1" diameter 1 1/4" diameter 1 1/2'' diameter 2" diameter.
| |
Wast outlets serving single showers, other than those in bath tubs, shall be at least 1" in diameter 1 1/4" in diameter 1 1/2" in diameter. 2" in diameter.
| |
Sink shall be provided with waste outlets at least 1" in diameter 1 1/4" in diameter 1 1/2" in diameter 2" in diameter.
| |
The type of water closet that may not be installed as a replacement is a wash down washout syphon jet blow out.
| |
A 12" roughing-in measurement for a water closet means from the center of the outlet of the water closet to the wall from the front of the water closet to the wall from the back of water closet to the wall from the center of the outlet of the water closet to the center of the toilet tank.
| from the center of the outlet of the water closet to the wall.
|
A type of hospital equipment which does not require an air gap on the water supply is a/an operating table aspirator toilet sterilizer.
| |
With the exception of commercial dishwashers or laundries, hot water may not be discharged into any parts of a drainage system at a temperature above 150* 160* 170* 180*.
| |
A fitting not permitted on gas piping installations is the left and right coupling ground joint union. malleable iron elbow gasket type union.
| |
When applying a test to gas piping, after all piping is installed and all outlets capped, the plumber shall apply an air pressure test equal to a column of water at least 6" in height mercury at least 6" in height water at least 12" in height mercury at least 12" in height.
| mercury at least 6" in height.
|
Individual outlets to gas ranges shall not be less than 3/8" 1/2" 5/8" 3/4".
| |
When installing gas lines in the building, it is permissible to re-use gas pipe which has been removed from an existing installation use gas piping for an electrical ground use malleable iron fittings use gasket unions.
| use malleable iron fittings.
|
Gas piping should be tested under a pressure of no less than 3 PSIG 5 PSIG 7 PSOG 9 PSIG.
| |