RULES AND REGULATIONS FOR BOILER AND PRESSURE VESSEL INSPECTION (R.I.G.L. - 28-25) Revised July 2011 RI Department of Labor & Training Division of Occupational Safety Boiler Inspection Unit 1511 Pontiac Avenue P.O. Box 20157 Cranston, RI 02920-0942 Office#:(401)462-8577 Fax#:(401)462-8576 TABLE OF CONTENTS PART I - DEFINITION OF TERMS . Pg 3 PART II-ADMINISTRATION: l. Minimum Construction Standards for Boilers & Pressure Vessels . Pg 9 2. Frequency of Inspections of Boilers and Pressure Vessels. Pg 10 3. Notification of Inspection. Pg 11 4. Examination For An Inspector's Certificate of Competency. Pg 11 5. Examination Fees. Pg l2 6. Certificate of Competency and Identification Card. Pg l2 7. Conflict of Interest. Pg l3 8. Inspection Reports To Be Submitted by Inspectors. Pg l3 9. Insurance Companies To Notify Chief Inspector of New, Cancelled Or Suspended Insurance On Boilers Or Pressure Vessels . Pg l4 l0. Authorized Inspectors To Notify Chief Inspector Of Unsafe Boilers Or Pressure Vessels . Pg l4 ll. Owner-User Inspection Agency. Pg l5 l2. Defective Conditions Disclosed At Time of External Inspection . Pg l6 l3. Owner Or User To Notify Chief Inspector Of Accident . Pg l6 l4. Inspection Certificate And Inspection Fees. Pg l6 l5. Validity Of Inspection Certificate. Pg 19 l6. Re-stamping Boilers and Pressure Vessels . Pg 19 l7. Penalty For Operation Of Unsafe Boilers Or Pressure Vessels . Pg 20 l8. Condemned Boilers And Pressure Boilers. Pg 20 l9. Reinstallation Of Boilers Or Pressure Vessels . Pg 20 20. Installation, Operation, Sale Or Offering For Sale Of Non- Standard Boilers Or Pressure Vessels. Pg 20 21. Installation Of Used Or Second-Hand Boilers Or Pressure Vessels Pg 20 22. Reinstalled Boilers Or Pressure Vessels . Pg 21 23. Working Pressure For Existing Installations . Pg 21 24. Repairs and Alterations To Boilers & Pressure Vessels . Pg 21 25. Repairs To Pressure Relief Valves . Pg 21 26. Riveted Patches . Pg 22 27. Requirements For New Installations . Pg 22 28. Application Of State Serial Numbers . Pg 23 29. Variations. Pg 23 30. Penalties . Pg 24 PART III - EXISTING INSTALLATION: SECTION I - POWER BOILERS EBO-l - Age Limit Of Existing Boilers . Pg 24 EBO-2 - Maximum Allowable Working Pressure For Standard Boilers . Pg 25 EBO-3 - Maximum Allowable Working Pressure For Nonstandard Boilers. Pg 25 EBO-4 - Cast Iron Headers And Mud Drums . Pg 26 EBO-5 - Pressure On Cast Iron Boilers . Pg 26 EBO-6 - Safety Valves . Pg 26 EBO-7 - Boiler Feeding . Pg 28 EBO-8 - Water Level Indicators. Pg 29 EBO-9 - Water Columns . Pg 30 EBO-l0- Gage Glass Connections. Pg 31 EBO-ll- Pressure Gages. Pg 32 EBO-l2- Stop Valves . Pg 33 EBO-l3- Blow-off Piping. Pg 33 EBO-l4- Repairs And Renewals Of Boiler Fittings And Appliances. Pg 34 EBO-l5- Conditions Not Covered By These Requirements. Pg 34 i TABLE OF CONTENTS PART III - EXISTING INSTALLATION: SECTION II - HEATING BOILERS EHB-l - Standard Boilers . Pg 35 EHB-2 - Nonstandard Riveted Boilers. Pg 35 EHB-3 - Nonstandard Welded Boilers . Pg 35 EHB-4 - Nonstandard Cast Iron Boilers . Pg 35 EHB-5 - Portable Water Heaters . Pg 35 EHB-6 - Safety Valves. Pg 35 EHB-6 – Table . .. Pg 36 EHB-7 - Safety Relief Valve Requirements For Hot Water Heating And Hot Water Supply Boilers . Pg 37 EHB-8 - Steam Gages. Pg 38 EHB-9 - Pressure Or Altitude Gages And Thermometers. Pg 39 EHB-l0- Water Gage Glasses . Pg 39 EHB-ll- Stop Valves. Pg 40 EHB-l2- Feed-water Connections. Pg 41 EHB-l3- Water Column And Water Level Control Pipes . Pg 42 EHB-l4- Return Pump. Pg 42 EHB-l5- Repairs And Renewals Of Fittings And Appliances. Pg 42 PART III - EXISTING INSTALLATION: SECTION III - PRESSURE VESSELS EPV-l - Maximum Allowable Working Pressure For Standard Pressure Vessels. Pg 42 EPV-2 - Maximum Allowable Working Pressure For Nonstandard Pressure Vessels, Except as Provided in EPV-3 . Pg 42 EPV-3 - Nonstandard Pressure Vessels - Use Of Other Formulas . Pg 44 EPV-4 - Inspection of Inaccessible Parts . Pg 44 EPV-5 - Overpressure Protection. Pg 44 EPV-6 - Repairs And Renewals Of Fittings And Appliances. Pg 44 PART IV - GENERAL REQUIREMENTS: GR-l - Inspection Of Boilers And Pressure Vessels . Pg 45 GR-2 - Preparation For Inspection . Pg 45 GR-3 - Boilers And Pressure Vessels Improperly Prepared For Inspection . Pg 46 GR-4 - Removal Of Covering to Permit Inspection . Pg 46 GR-5 - Lap Seam Crack . Pg 46 GR-6 - Pressure Test . Pg 46 GR-7 - Automatic Low Water Fuel Cutoff And/Or Water Feeding Device Pg 47 GR-8 - Pressure Reducing Valves . Pg 47 GR-9 - Boiler Blow-off Equipment . Pg 48 GR-l0 - Location Of Discharge Piping Outlets . Pg 48 GR-ll - Supports . Pg 48 GR-l2 - Boiler Door Latches . Pg 48 GR-l3 - Clearance. Pg 49 GR-l4 - Ladders and Runways . Pg 49 GR-l5 - Exit From Boiler Room. Pg 49 GR-l6 - Suggestions For Operations . Pg 49 GR-l7 - Air And Ventilation Requirements - Combustion Air Supply & Ventilation Of Boiler Room . Pg 49 GR-l8 - Gas Burners. Pg 50 GR-l9 - Conditions Not Covered By These Rules And Regulations. Pg 50 ii FOREWORD To protect the public against boiler and pressure vessel explosions, it is essential that comprehensive administrative rules and regulations are approved by the Code Commission for Occupational Safety & Health under the authority of Chapter 28-25 of the General Laws of Rhode Island. These recommended Administrative Boiler and Pressure Vessel Safety Rules and Regulations are intended to serve that purpose. On January 5,1989, the Code Commission approved the Rules and Regulations recommended by the Advisory Panel. These Rules shall take effect on February 1,1989. INTRODUCTION To promote uniform enforcement of boiler and pressure vessel laws, these rules and regulations are prepared to assist the Administrator, the Chief Inspector and Inspectors in the implementation, administration and interpretation of the boiler and pressure vessels safety act for the State of Rhode Island. The purpose of the act is to promote safety in the applications of boilers or pressure vessels by providing suitable requirements for construction, installation, inspection, maintenance, repair, alteration, operation, modification and replacement. It is the intent to provide such safety with the least possible burden upon the industries involved. It is not presumed to limit in any way the designer's or the manufacturer's right to choose any design or method of construction that conforms to the requirements of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code. In some instances, due to a valid impediment to full ASME Code compliance, a boiler or pressure vessel cannot be constructed to that Code. Provision is made for the owner or user to apply to the Chief Inspector for permission to use such boiler or pressure vessel within the jurisdiction. When a boiler and pressure vessel inspection law is enacted in a jurisdiction, the enforcement authority may be confronted with the problem of so administering the law and the rules and regulations that they will not create undue hardship, particularly in localities where numerous small installations are encountered. It is the purpose of any boiler and pressure vessel inspection law and the rules and regulations based 1 thereon to provide for and maintain safe operating conditions, but is definitely not the intent that they should prevent the operation of any equipment that can be shown to be reasonably safe. With these considerations in view, the following rules for existing installations are presented to form the basis of an efficient, uniform and workable safety division. Provision is also made for any person who believes any rule or regulation promulgated by the Code Commission is unreasonable, or that it imposes an undue burden upon the owner or user, to apply to the Administrator for a variation from such rule or regulation. 2 PART I DEFINITION OF TERMS l. ACT - The Boiler and Pressure Vessel Safety Act which was enacted as Chapter 28-25, Acts of the General Assembly. 2. ADMINISTRATOR - The Administrator of the Division of Occupational Safety is appointed by the Director of Labor and is responsible for implementation and enforcement of all provisions under Chapter 28-20. 3. ALTERATION - A change in any item described on the original Manufacturer's Data Report which affects the pressure capability of the boiler or pressure vessel. Non-physical changes such as an increase in the maximum allowable working pressure (internal or external) or design temperature of a boiler or pressure vessel shall be considered an alteration. A reduction in minimum temperature such that additional mechanical tests are required shall also be considered an alteration. 4. API-ASME CODE - The American Petroleum Institute (API) in conjunction with the ASME Code as used in these rules and regulations shall mean the Code for unfired pressure vessels for petroleum liquids and gases. 5. APPROVED - Approved by the Code Commission for Occupational Safety and Health. 6. ASME - The American Society of Mechanical Engineers (ASME), 345 E. 47th Street, New York, New York l00l7. 7. AUTHORIZED INSPECTION AGENCY - One of the following: (a) a department or division established by a jurisdiction which has adopted and does administer one or more sections of the ASME Code, one of which shall be Section I as a legal requirement, and whose inspectors hold valid commissions issued by The National Board of Boiler and Pressure Vessel Inspectors; (b) an insurance company which has been licensed or registered by the appropriate authority of a State of the United States or a Province of Canada to write and does write boiler and pressure vessel insurance and to provide inspection service of boilers and pressure vessels in such State or Province.