Making the grade meter
1. Remove the page containing the grade meter from this
guide.
2. Cut our grade meter along dotted line.
3. Fold over at dashed line.
4. Cut plywood or board to size of paper below fold.
5. Put glue over the entire back side of paper and attach paper to board.
6. Spray with clear varnish or other waterproofing.
7. Put tack or nail at top center point and attach 15-inch string with nut or
bolt on other end. Make sure string swings around nail. |
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Using the grade meter
1. Sight across top edge to person or object at your eye
level. Keep the meter vertical so string hangs straight.
2. When the top edge is lined up, hold string against front and read scale of
meter for grade (slope) of road or hill.
3. This meter give a rough measure of grade. Fore more exact measurement use an
Abney level or clinometer |
