Specifications include, but are not limited to: This work shall consist of steel structures, structural metal portions of timber or other composite structures, electric cylinders and other items associated with all steel structures and other components as may be noted on the Plans including furnishing, fabricating, erecting, and placing protective coatings of structural metals and composite materials shown on the plans. Structural metals shall include structural steel and aluminum of all grades, welding, special and alloy steels, metallic electrodes, steel forgings and castings, and iron castings, incidental metal construction and elastomeric and plastic materials not otherwise provided for in accordance with the contract.