Pressure vessels:

Pressure vessels: 1. Certificate inspections a. Fees to be based on the maximum length of the vessel times the maximum width or diameter thereof. Each pressure vessel subject to inspection having a cross sectional area of 50 square feet or less: $ 10.00 b. For each additional 100 square feet of area in excess of 50 square feet: $10.00 2. Not more than fifty dollars shall be paid for each inspection on any one vessel. 3. A group of pressure vessels, such as the rolls of paper machine or dryer operating as a single machine or unit shall be considered as one pressure vessel. 4. Not more than one fee shall be charged or collected for any and all inspections as above of any pressure vessel in any required inspection period.