Specifications include, but are not limited to: The moldboard shall be smooth and rolled to ensure ease of snow discharge. Manufactured from 3/16 inch thick sheet steel. Break or step forming is not acceptable. The moldboard shall be rolled with a minimum radius of 16 inches and must include any integrally formed top reinforcement channel approximately 1-¼ inch x 2-½ inch in size. The top leading edge of the moldboard shall be designed as an integral deflector which extends no less than 8 inches in front of the cutting edge in the normal plowing position. The moldboard, with the cutting edge installed, shall be no less than 36 inches high with a 10 foot cutting edge. The moldboard shall contain a deflector made from a flexible rubber type material bolted on the length of the moldboard approx. 10 foot long x 12 inches high.