Department of Buildings requirements. The information included in these Guidelines can be used for the. evaluation of existing porches and decks as well as the design of new. structures. Tables are provided to assist in determining the load. capacity of joists, beams, columns and bolted connections for simple. structural configurations.
The causes of cat hyperthyroidism may include: 1  A high amount of benign cells in the thyroid gland, which is the most common cause of hyperthyroidism in cats. 2  These cells may cluster in small nodules on the thyroid gland; these nodules are known as adenomas.
Other causes of hyperthyroidism include: 1  excess iodine, a key ingredient in T4 and T3. 2  thyroiditis, or inflammation of the thyroid, which causes T4 and T3 to leak out of the gland.  tumors of the ovaries or testes.