10 February 2010

Joists Arrive

The joists (Douglas Fir No. 2 or better), for the second floor, arrived yesterday and after carrying them into the site and setting up the scaffolding we:
-measured the spans,
-cut the members,
-hoisted six individual pieces and fabricated two major girders.

The girders are 3 members wide and are sandwiched together using 3/4" diameter stainless steel ASTM threaded rods. These rods are staggered and connected every 16" O.C.

The girders (Shown in images below) are 6' apart and will support a 6' floor section where a major vertical chase wall (Along center bearing wall) will run utilities and duct.

There will be two more of these members on each floor in each building supporting and framing the stair opening (Rear back corner).

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