Iowa Code Title V. Agriculture [Chs. 159-215A] § 215.14. Approval by department

1. A pit type scale or any other scale installed in a pit, regardless of capacity, that is installed on or after July 1, 1990, shall have a clearance of not less than four feet from the finished floor line of the scale to the bottom of the “I” beam of the scale bridge. Livestock shall not be weighed on any scale other than a livestock scale or pit type scale.

2. An electronic pitless scale shall be placed on concrete footings with concrete floor. The concrete floor shall allow for adequate drainage away from the scale as required by the department. There shall be a clearance of not less than eight inches between the weigh bridge and the concrete floor to facilitate inspection and cleaning.

3. Before approval by the department, the specifications for a commercial weighing and measuring device shall be furnished to the purchaser of the device by the manufacturer. The approval shall be based upon the recommendation of the United States national institute of standards and technology.