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Safety
Jeff Greef Woodworking
If you are mixing small amounts of concrete, you can mix it in a five gallon bucket (photo 5), or in a steel wheel barrow. In a bucket do only about a third of a bucket at a time because the stuff is very heavy. Mix just enough water with the concrete to wet all the dry powder, then add a little more. The wet concrete should "stand up," or still be firm enough to hold small mounds on top of the mix. But as you stir, it should feel soupy and not dry. The exact amount of water is not critical, but it cannot be too wet (chicken soup) or too dry (your mother in law's corn bread).
Place fences around the post hole to make a boundary for the concrete. Dig out the area within the boundaries surrounding the hole so that the concrete will be at least 3 inches thick, and tamp down the dirt so the concrete sits on a solid surface. Pour in the concrete and level the surface with a stick, the ends of which rest on solid ground (photo 6). Place this year's penny in the concrete (date up) next to the post so your grandkids will know when you built it. Let the concrete set over night before you apply any stress to it, two days if you will apply serious stress.
Use a rot resistant wood, such as second growth con heart redwood, which is readily available on the west coast. In other parts of the country, ask at your local building supply about wood types that will hold up best exposed to weather. Assemble the basic rectangular frame(s) for the gates, by screwing together the joints as in photo 7. Decking screws hold better than nails, and it's a good idea to use them throughout your gate. Use a variable speed drill with a Phillips driver tip to set the screws. Get a type of screw that is made for exterior use, such as for decks. They cost more but won’t rust. Interior drywall screws will rust quickly if used outside. |
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For hand drills, click here. Still, the screws aren't going to provide a really strong joint, so it's best to reinforce the corners with angle brackets as in photo 8.
For drill bits, click here. Place the assembled frame in location as in photo 9. In that photo the rectangle is very close to square- but as you can see there is a serious gap between the frame and the vertical post on the right. This is due to the slant of the driveway, and we need to make the frame follow this slant. Screw the frame to the post, and push it down on the outward end until it touches the ground (photo 10). |
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Cut to fit, then screw in, a cross brace as shown. This brace will hold the frame in its slightly distorted position, as well as keep the frame from sinking below that position later. The brace must go from the lower corner at the post to the opposite- not vice versa- so that it will be in compression when the weight of the gate tries to distort the frame. Were it in tension the screws would just pull out. When you distort the frame out of shape this way, you are working against the corner braces. This will not be a problem so long as you only distort the frame a bit, but in extreme cases you may need to bend the braces before installing them. This is Page 2 of this project.Go to Page 3. Go to Page 1. Home |
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