I need to attach a wood rail to a post for a fence. Someone suggested using a Kreg pocket hole jig that uses screws. Do screws have more or less shear strength than nails? Does anyone recommend using screws over nails or vice-versa?
Should I expect any problems with a full-depth asphalt (total of 7 inches) when ground water is at 1.5 feet below grade? Would an untreated subbase be a better choice in this situation?
Does anyone know the minimum design tanker truck undercarriage clearance? I am designing a ramp into a loading dock that will also serve to contain the volume of the tanker truck. The ramp will be 8.5 feet at 20% grade, a one foot level top and 4.5 feet at 18% grade. The loading dock is at a...