Unless otherwise noted, all jurisdictional boilers except hobby boilers, steam farm traction engines, portable and stationary show engines, and portable and stationary show boilers shall receive an annual certificate inspection. Hobby boilers, steam farm traction engines, portable and stationary show engines, and stationary and portable show boilers shall be inspected externally every two years and internally every four years.
A. Power boilers, waste heat recovery steam generators, and high-pressure, high-temperature water boilers shall receive an internal and external inspection annually where construction permits. The external inspection should be conducted while the unit is in operation if possible. If this is not possible, the external inspection shall be as complete an inspection as possible, and shall include a review of operating logs, maintenance records and other documentation in order to determine the safety of the unit.B. With the chief boiler inspector's approval, the following shall receive an external inspection annually while in operation, in order to have their Certificates renewed, and shall also receive an internal inspection every two years: (2) waste heat recovery steam generators; and(3) high-pressure, high-temperature water boilers that have internal continuous water treatment, under the direct supervision of a graduate chemical engineer, or under the direct supervision of a person having a minimum of five years supervisory experience and formal training in the treatment of boiler water. Accurate records of boiler water chemistry shall be kept and made available for review by the inspector.
C. Low pressure boilers shall be inspected as follows: (1) Steam or vapor boilers shall receive an external inspection annually in order to have their Certificates renewed. They shall also receive an internal inspection every two years, where construction permits.(2) With the chief inspectors approval, steam or vapor boilers which have internal continuous water treatment under the direct supervision of a graduate chemical engineer or under the direct supervision of a person having a minimum of five years supervisory experience and formal training in the treatment of boiler water, shall receive an external inspection annually in order to have their Certificates renewed. They shall also receive an internal inspection every four years. Accurate records of boiler water chemistry shall be kept and made available for review by the inspector.(3) Hot water heating boilers, and hot water supply boilers shall receive an external inspection annually in order to have their Certificate renewed. Boilers stamped with the ASME Certification Mark with the "H" designator shall receive an internal inspection every four (4) years from the date of manufacturer's completion. Existing units that are not ASME code symbol stamped but are listed as meeting ANSI Z 21.10.13 standards shall receive an internal inspection every five years. Units listed as meeting ANSI Z 21.13 standards shall receive an internal inspection every four years.(4) Effective August 30, 2009, all newly installed Water Heaters stamped with the ASME Certification Mark with the "HLW" designator shall be inspected externally at least every 24 months while in operation, in order to have their Certificates renewed. Where construction permits, these units shall receive an internal inspection at the inspector's discretion but not to exceed every six (6) years from the date of manufacturer's completion.(5) All existing water heaters shall be inspected externally on an annual basis in order to have their Certificates renewed. Where construction permits, they shall be inspected internally every five years from the date of manufacturer's completion. Existing water heaters may be placed on the inspection frequency noted in (3) above upon written request by the Commissioned Inspector responsible for the in-service inspection. This request shall be made on the Inspection Report submitted for renewal of the Certificate of Inspection for the object.229 Neb. Admin. Code, ch. 5, § 002
Amended effective 8/7/2016.