All materials and structural parts to be supplied, erected or installed and accordingly become an incorporated part of the structure shall be new and unused.
Materials shall be standardized as far as possible. Materials and structural parts which are not standardized shall comply with the relevant site requirements and shall only be used with the approval of the Engineer.
All materials shall be free from all imperfections that might impair their strength, durability and appearance. All materials shall meet the current applicable specifications. All material shall be well finished bars, plates, strips, angles, rolled sections, extruded sections, pipes, etc., as indicated and specified, clean and free from all scale, flake rust and rust pitting. Cast iron shall be tough grey iron. Accessories for connection of cast iron shall be of steel, unless otherwise noted. Materials required or indicated to be galvanized shall be so treated only after fabrication.