â¢ Surname is the family name or the last name of a person, whereas first name is the unique name given to a person at birth, also referred to as his Christian name. â¢ Surname is passed down generations, whereas first names are unique depending upon physical attributes or circumstances at birth of a kid.
PVC pipe is available in a wide range of wall thicknesses and strengths (pipe. stiffness). PVC pipe is routinely perforated (slotted) and used as well screen. This same slotted pipe can also be used for toe drains. Slotting is done at the. factory, and slots are available in a wide range of slot widths and POA.
Place the perforated pipe into the trench on top of the gravel and, using a clamp, attach the pipe to the septic tank drain. Place another half-inch of gravel on top of the perforated pipe and some along the sides of the pipe. Place the thin cloth over the gravel to prevent loose dirt from getting into the rocks.lace the perforated pipe into the trench on top of the gravel and, using a clamp, attach the pipe to the septic tank drain. Place another half-inch of gravel on top of the perforated pipe and some along the sides of the pipe. Place the thin cloth over the gravel to prevent loose dirt from getting into the rocks.