Irrigation installation and Maintenance
Techniques Questions with Verified
Answers
811 - ANSWERSNational one call number 48 hours prior to excavating and they will
marked all buried utilities
What size dauber should be used to solvent weld pipes - ANSWERSA brush or dauber
approximately half the diameter of the pipe being repaired, apply solvent the outside
end of the pipe and the inside of the fitting
What is the proper procedure for connecting solvent welded pipes - ANSWERSSlip the
pipe into the fitting until it stops and twist one quarter turn to distribute the solvent
evenly and hold it steady for several seconds to set up
What should be done to excess solvent on piping - ANSWERSWipe excess solvent
from around the joint
What is a PVC Jetter - ANSWERSA device used to bore small diameter piping under
solid surfaces
Galvanized Jetter - ANSWERS(6' to 20' pipe lengths) This method uses water pressure
with a galvanized piece of piping, threaded, and fitted with a galvanized tee
1" Rule - ANSWERSAlways leave a minimum of at least 1" of pipe between any two
fittings that solvent welded, especially when manifolding valves
Should metal fitting ever be threaded into PVC - ANSWERSNo copper, brass,
galvanized fittings should never be threaded into a plastic fitting or valve
How should wiring be installed in irrigation trenching? - ANSWERSLet the wire snake
from sided to side in the trench to allow for for extra for repairs, also lay all wire under
piping to protect it from damage when piping is uncovered
What gauge wire is commonly used in commercial landscape construction -
ANSWERS14 ga.
What gauge wire is commonly used in residential landscape construction -
ANSWERS16&18 ga.
Techniques Questions with Verified
Answers
811 - ANSWERSNational one call number 48 hours prior to excavating and they will
marked all buried utilities
What size dauber should be used to solvent weld pipes - ANSWERSA brush or dauber
approximately half the diameter of the pipe being repaired, apply solvent the outside
end of the pipe and the inside of the fitting
What is the proper procedure for connecting solvent welded pipes - ANSWERSSlip the
pipe into the fitting until it stops and twist one quarter turn to distribute the solvent
evenly and hold it steady for several seconds to set up
What should be done to excess solvent on piping - ANSWERSWipe excess solvent
from around the joint
What is a PVC Jetter - ANSWERSA device used to bore small diameter piping under
solid surfaces
Galvanized Jetter - ANSWERS(6' to 20' pipe lengths) This method uses water pressure
with a galvanized piece of piping, threaded, and fitted with a galvanized tee
1" Rule - ANSWERSAlways leave a minimum of at least 1" of pipe between any two
fittings that solvent welded, especially when manifolding valves
Should metal fitting ever be threaded into PVC - ANSWERSNo copper, brass,
galvanized fittings should never be threaded into a plastic fitting or valve
How should wiring be installed in irrigation trenching? - ANSWERSLet the wire snake
from sided to side in the trench to allow for for extra for repairs, also lay all wire under
piping to protect it from damage when piping is uncovered
What gauge wire is commonly used in commercial landscape construction -
ANSWERS14 ga.
What gauge wire is commonly used in residential landscape construction -
ANSWERS16&18 ga.
