Level floor for garage workshop #4: Completing the perimeter with cripple walls

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Blog entry by jciccare posted 11-20-2015 02:43 PM 744 reads 0 times favorited 0 comments Add to Favorites Watch
« Part 3: Building the border, piece by piece Part 4 of Level floor for garage workshop series Part 5: Intermediate supports for the floor joists »

Three sides of the shop, shown in the previous blog entry, have existing walls. The fourth side, at the mid-line of the garage, is two steps (12”-15”) above the compound-sloped concrete floor. I built two cripple walls to support those ends of the floor joists—a long straight run between the glu-lam beam’s support columns, and a shorter segmented run near the back doors that is indented to accommodate the french doors’ in-swing.

(A few photos are from later stages, with floor joists in place.)

Again using the laser level to indicate future floor height, I marked the needed lengths of each cripple stud on a board held vertically:

I cut the cripple studs to length, then beveled and mitered their bottom ends to meet the compound-angled PT sole plate:

Test fit. You can see that I got the bevel/miter backwards on one of the pieces. That happened more than a few times later in the project while cutting the interior supports:

Long segment completed, except at the far (left) end where a sole plate segment will need to be angled due to the slope of the concrete footing of the glu-lam beam’s support column:

Later view from the underside, showing how the floor joists sit on a top plate:

Back door area where a short segmented cripple wall will accommodate the french door in-swing:

Marking the floor for the indented area:

PT bottom plate (kiln evicted from construction zone :):

Completed short wall, attached at one end to the other large post that supports the glu-lam beam above:

Most of the 12’ x 28’ shop area is now ready for floor joists, except for the high northwest corner where the distance from bottom of flooring to existing concrete will be small and I’ll need to piece together a low-clearance solution. Because of limited space in the other (car-parking) half of the garage to store tools, lumber (all the floor joists and plywood) and other items, I decided to defer framing that corner and instead complete the floor in the remaining 2/3 of the shop area.

-- Accomplish the great task by a series of small acts. (Tao Te Ching / Lao Tzu)

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