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My House uses Georgia Pacific LVL beams, an electrician drilled horizontal One Inch hole in a beam that is 12 inches deep & 18 ft long. Beam Position in the House:It runs parallel to the floor joist at the start of the basement stairs, and support a cross beam which support floor I-joist along the length of the stairs.Hole Position: The hole is about 2.5 inches from the bottom of the beam, at distance of 9 ft from one end.I have one contractor and 2 structural engineer I spoke to on the phone saying no repair is needed, and one structural engineer who suggested that I repair it using 1/2 inch plywood nailed to the beam.My Question:1. Is repair necessary? I have had a few contractors dismiss my worry as being paranoid?2. If yes does the repair suggested by the structural engineer sound reasonable ?Is repair necessary?
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