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.
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