Specifications include, but are not limited to: The apparatus shall be designed for heavy duty use with due consideration to the distribution of load between the front and rear axles. Weight balance and distribution shall be in accordance with the recommendations of the National Fire Protection Association. All piping, lighting and other vehicle accessories shall be mounted in a manner that provides the maximum ground clearance.. There shall be a system to prevent corrosion of all underbody components. The builder shall provide a detailed description of the corrosion protection process.. The seating capacity in the cab shall be five (5).. The maximum overall height of the apparatus shall be 114 inches.. The maximum overall length of the apparatus shall be approximately 32 feet