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.
Causes of Leg Pain Video. Many conditions can cause leg pain and foot pain. Commonly, the main cause of the symptoms has its origin in the lower back, which is where the nerves branch out from the spine to provide function to the muscles in the leg, ankle, and foot. See Getting an Accurate Back Pain Diagnosis