Wastes from garbage grinders shall not be discharged into a sanitary sewer except:
A. Wastes from residential premises generated in preparation of food;
B. Where the user has obtained a permit for that specific use from the superintendent, and agrees to undertake whatever self- monitoring is required to enable the city to equitably determine the charges and fees based on the waste constituents and characteristics. Such grinders must shred the waste to a degree that all particles will be carried freely under normal flow conditions prevailing in the sanitary sewer, with no particle greater than three-eighths inch (3/8") in any dimension. Garbage grinders shall not be used for grinding plastic, paper products, inert materials, garden refuse or other material that would otherwise be classified as solid waste. (Ord. 2836 § 1, 2008)