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c. Butt another piece of 5/4" x 6" x 16' decking
board up to the end of the one installed in 2.b.
above and clamp to the groundpost on the
opposite side of the tunnel. Using the end of the baseboard as a guide, make a mark on the backside of
the decking board and cut along that line. Attach the same way as step 2.b..
d. Pre-cut and place a 2
’ piece of patch board inside the seam created by the two baseboards. Center and
clamp in place. With a 5/16" bit, pre-drill four holes as shown through the patch board and the two
baseboards. Fasten with two 5/16"-18 x 3" carriage bolts inserted from the outside and secured with flat
washers and 5/16" hex nuts.
e. Cut a 6' x 1-5/8" line post in half and drive each half in the ground just inside the baseboard on either
side of th
e 2’ board until the top of the posts are more or less flush with the top of the baseboard. Drill a
single 5/16" hole through each of the posts and baseboard and secure with 5/16"-18 x 3" carriage bolts,
5/16" washers and nuts. These posts will add stability to the endwall baseboard and door frame.
3.
Door Frame and End Wall Framing:
a. Make a mark on the baseboard 32" to the right and 32" to the left of where the baseboards abbut in the
center. These marks will be the door frame's bottom inside boundaries (see diagram on next page).
b.
Cut a 1” x 5.5” notch in one end of a 2" x 4" x 12' board. Position it vertically with the notch resting on
the inside of the baseboard aligned with the first mark made in 3.a. above (see diagram below).
c. Clamp in place or have a helper hold the board.
d.
Position the top of the board 32” from the center of the ridgepole and clamp to the bow. Using the bow
as a guide, make marks below the bow and above the wire channel attached to the top of the bow. Also
make a mark on the bow, just inside the board for alignment later (see diagram on next page).
e. Finish making marks using a hand square per the top board in the diagram above. Note that the
measurements in the diagram are approximate as your marks may vary somewhat from them. Notch
these out 1.5" deep and cut to length so the boards will be flush with the bow.
2.c.
2.d.
2.e.
2.e.
3.b.
3.e.
Outside of
Endwall
Side Baseboard
7617.999 Rev 06/21/2021 | AL, JG, ms