Drill through the sill plate and sub floor for each water line.
How to properly drill floor joist for pex plumbing.
Away from the top and bottom.
Plywood web stiffeners on both sides of the i joist on either side of the hacked one.
That gives you a 5 1 4 in.
Holes anywhere in the web area of engineered i joists except within 6 in.
Of walls and rim joists.
Where and how to drill joists for electrical cables or.
Holes cannot be closer than 2 to the bottom or top of a joist or to another hole or notch in the joist.
How to drill a hole through the side of a floor joist.
When drilling through a stud be sure that each hole is at the same level so the pipe runs parallel to the floor.
Place the bit up to the stud and slowly start the drill allowing it to build up speed.
Drill holes with a diameter of no more than one third the depth of the joist staying 2 in.
For a 2 10 where actual depth is 9 25 inches the maximum allowable hole diameter would be just over three inches.
Area in the middle of the 2 10 joist where the hole can go.
The diameter of holes shall not be greater than 1 3 the depth of the floor joists.
But modern living requires electrical wiring and plumbing.
Remove a section of the hacked i joist add new i joist perpendicular on both sides of the plumbing pipe using hangers.
In a perfect world floor joists are left whole to provide the greatest support.