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.
By Mayo Clinic Staff. Most leg pain results from wear and tear, overuse, or injuries in joints or bones or in muscles, ligaments, tendons or other soft tissues. Some types of leg pain can be traced to problems in your lower spine. Leg pain can also be caused by blood clots, varicose veins or poor circulation. Some common causes of leg pain include: Achilles tendinitis.
1 Many causes of leg pain are obvious, such as injury after an accident. 2  Leg pain can have less obvious causes, such as peripheral artery disease. 3  Repetitive, excessive sports, especially in the form on running, can lead to trauma that creates leg pain-E.G: shin splints and stress fractures. Repetitive, excessive sports, especially in the form on running, can lead to trauma that creates leg pain-E.G: shin splints and stress fractures. 2  Leg pain with an underlying medical cause may be nerve-related, musculoskeletal or vascular.