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.
It can be due to a cramp, injury, or other cause. Leg pain can be due to a muscle cramp (also called a charley horse). Common causes of cramps include: 1  Dehydration or low amounts of potassium, sodium, calcium, or magnesium in the blood.  Medicines (such as diuretics and statins)