Building Specifications - Carpenter's and Builder's Math, Plans, and Specifications - page 247

Spacing and Bridging
All studding, floor, and ceiling joists placed on 16-inch centers. In
every span of flooring exceeding 10 feet, there will be a row of
1-inch 3-inch double nailed at each

end. Rafters will be placed on 24-inch centers.
Partitions
All partitions are to be set plumb, well braced, and nailed. Studs
at all angles and openings are to be doubled, and extra block is to
be set at door openings for base nailing. All partitions that are not
supported below are to be firmly trussed and braced. Ceilings to all
closets will be furred down to within 12 inches of the door head
except in closets more than 2 feet deep. There will be trued 7

× 2-inch bridging or 2-inch ×

/ 8 -inch

grounds at top of base and around all openings.
Lumber
All outside finish-lumber will be clear white pine unless otherwise
specified. All exterior finish lumber is to be free from large or loose
knots and will also be clear and thoroughly dry.
Sheathing and Sheathing Paper
Cover all the exterior walls with 3 / 4 -inch plywood sheathing nailed
to each stud with 8d nails. With joints cut on studs or backed for
end nailing, cover with Tyvek, which is to be well lapped, extending
under all trim and around all corners to make a complete and tight
job.
Exterior Finish
Windows, door casings, cornices, corner boards, water table, brack-
ets, band courses, and so on are to be made to the detail furnished in
the drawings. The stock moldings that are to be used are numbered
on the drawings. The first story is to be covered with the best-grade
cedar lap bevel siding, laid at 4 1

/ 2 inches to the weather. The sec-
ond story and gables are to be covered with 18-inch hand-split and
resawn shakes, laid at 8 1

/ 2 inches to the weather. Use hot-dipped
galvanized nails, whose length will be approved by the architect.
Window casings will be laid 2 1

/ 2 inches to the weather, and the
front door frames and casement windows will be according to de-
tail shown in the plan.
Shingling
Cover all roofs with 8-inch

16-inch Pennsylvania blue slate, laid
7 inches to the weather. All hips and other parts that require it are
to be made secure against leaks by the proper use of slaters' cement
and proper flashings. An ornamental galvanized-iron ridge crest will
be placed on the main ridge. See details on drawings for this crest.

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