Step 7. Assemble the lower portion

By now all the Adirondack chair pieces should be cut to length and shape.
Assemble the lower portion of the chair [pieces a, b, d, and g] on an even surface ensuring that the two side frames (a) are the correct distance apart according to the plans.
Use an exterior type glue and pre-drill all screw holes.

Step 8. Assemble the side portions

Assemble the two side portion of the chair [pieces c, f, h, i and j] ensuring all dimensions are according to the plans.
Use an exterior type glue and pre-drill all screw holes.

Step 9. Join the side portion to the lower portion

Fix the assembled side portion of the Adirondack chair to the assembled lower portion.
Drill and bolt the front legs [c] to the side frames [a] using 10mm (3/8") galvanized carriage bolts.

Step 10. Add the back slats

Now just simply a matter of fixing the back slats [e] to the top and bottom back supports [d, i]
Use an exterior type glue and pre-drill all screw holes.

That's it.

Done!