No. 1 and No. 2 Grade of Douglas fir-maximum floor joist span-imperial units. Maximum floor joist span for No. 1 and No. 2 Grade of Douglas fir are indicated below. Max. dead load (weight of structure and fixed loads) 10 lbs/ft2.Live load is weight of furniture, wind, snow ..aximum floor joist span for No. 1 and No. 2 Grade of Douglas fir are indicated below. Max. dead load (weight of structure and fixed loads) 10 lbs/ft2.
Peripheral artery disease can cause claudication, or pain that occurs in the legs usually when walking or exercising. Blood clots (deep vein thrombosis) can be another cause of leg pain. Pain in the knee and ankle joints of the leg is common with the arthritis conditions.
Common causes of leg pain. Some of the more common causes of leg pain are minor or temporary conditions that your doctor can treat effectively. Cramps. A primary cause of leg pain is a muscle cramp or spasm thatâs often known as âa charley horse.â A cramp usually triggers sudden, sharp pain as the leg muscles contract. The tightening muscles often form a visible, hard lump beneath the skin. There may be some redness and swelling in the surrounding area.