WSR 06-24-042

PERMANENT RULES

DEPARTMENT OF

LABOR AND INDUSTRIES
(Board of Boiler Rules)

[ Filed November 30, 2006, 1:35 p.m. , effective January 1, 2007 ]


     Effective Date of Rule: January 1, 2007.

     Purpose: The purpose of this rule making is to make clarification and technical changes to the Board of boiler rules -- Substantive, chapter 196-104 WAC, based on actions and requests of the board of boiler rules. The changes include correcting the conflicts and discrepancies on boiler clearances; amending the rule regarding safety valve repair to conform with the NBIC; correcting definitions for consistency; and making housekeeping changes and updating references throughout the rule.

     Citation of Existing Rules Affected by this Order: Repealing WAC 296-104-256; and amending WAC 296-104-010, 296-104-170, 296-104-200, 296-104-255, 296-104-502, 296-104-520, and 296-104-540.

     Statutory Authority for Adoption: RCW 70.79.030, 70.79.040, 70.79.150, 70.79.290, 70.79.330, and 70.79.350.

      Adopted under notice filed as WSR 06-17-173 on August 23, 2006.

     Number of Sections Adopted in Order to Comply with Federal Statute: New 0, Amended 0, Repealed 0; Federal Rules or Standards: New 0, Amended 0, Repealed 0; or Recently Enacted State Statutes: New 0, Amended 0, Repealed 0.

     Number of Sections Adopted at Request of a Nongovernmental Entity: New 0, Amended 0, Repealed 0.

     Number of Sections Adopted on the Agency's Own Initiative: New 0, Amended 7, Repealed 1.

     Number of Sections Adopted in Order to Clarify, Streamline, or Reform Agency Procedures: New 0, Amended 7, Repealed 1.

     Number of Sections Adopted Using Negotiated Rule Making: New 0, Amended 0, Repealed 0;      Pilot Rule Making: New 0, Amended 0, Repealed 0; or Other Alternative Rule Making: New 0, Amended 7, Repealed 1.

     Date Adopted: November 30, 2006.

Craig Hopkins, Chair

Board of Boiler Rules

OTS-9100.4


AMENDATORY SECTION(Amending WSR 04-21-069, filed 10/19/04, effective 1/1/05)

WAC 296-104-010   Administration--What are the definitions of terms used in this chapter?   "Agriculture purposes" shall mean any act performed on a farm in production of crops or livestock, and shall include the storage of such crops and livestock in their natural state, but shall not be construed to include the processing or sale of crops or livestock.

     "Attendant" shall mean the person in charge of the operation of a boiler or unfired pressure vessel.

     "Automatic operation of a boiler" shall mean automatic unattended control of feed water and fuel in order to maintain the pressure and temperature within the limits set. Controls must be such that the operation follows the demand without interruption. Manual restart may be required when the burner is off because of low water, flame failure, power failure, high temperatures or pressures.

     "Board of boiler rules" or "board" shall mean the board created by law and empowered under RCW 70.79.010.

     "Boiler and unfired pressure vessel installation/reinstallation permit," shall mean a permit approved by the chief inspector before starting installation or reinstallation of any boiler and unfired pressure vessel within the jurisdiction of Washington.

     Owner/user inspection agency's, and Washington specials are exempt from "boiler and unfired pressure vessel installation/reinstallation permit."

     "Boilers and/or unfired pressure vessels" - below are definitions for types of boilers and unfired pressure vessels used in these regulations:

• "Condemned boiler or unfired pressure vessel" shall mean a boiler or unfired pressure vessel that has been inspected and declared unsafe or disqualified for further use by legal requirements and appropriately marked by an inspector.
• "Hot water heater" shall mean a closed vessel designed to supply hot water for external use to the system. All vessels must be listed by a nationally recognized testing agency and shall be protected with an approved temperature and pressure safety relief valve and shall not exceed any of the following limits:
* Pressure of 160 psi (1100 kpa);
* Temperature of 210 degrees F (99°C);
* Capacity of 120 U.S. gallons (454 liters);
* Input of 200,000 BTU/hr (58.58 kw). Note that if input exceeds 200,000 BTU/hr (58.58 kw), other terms defined in this section may apply.
* Hot water heaters exceeding 200,000 BTU/hr (58.58 kw) must be ASME code stamped.
• "Low pressure heating boiler" shall mean a steam or vapor boiler operating at a pressure not exceeding 15 psig or a boiler in which water or other fluid is heated and intended for operation at pressures not exceeding 160 psig or temperatures not exceeding 250 degrees F by the direct application of energy from the combustion of fuels or from electricity, solar or nuclear energy ((including)), excluding lined hot water heaters supplying potable ((water heaters)) hot water for external use to the system.
• "Nonstandard boiler or unfired pressure vessel" shall mean a boiler or unfired pressure vessel that does not bear marking of the codes adopted in WAC 296-104-200.
• "Power boiler" shall mean a boiler in which steam or other vapor is generated at a pressure of more than 15 psig for use external to itself or a boiler in which water or other fluid is heated and intended for operation at pressures in excess of 160 psig and/or temperatures in excess of 250 degrees F by the direct application of energy from the combustion of fuels or from electricity, solar or nuclear energy.
• "Reinstalled boiler or unfired pressure vessel" shall mean a boiler or unfired pressure vessel removed from its original setting and reset at the same location or at a new location without change of ownership.
• "Rental boiler" shall mean any power or low pressure heating boiler that is under a rental contract between owner and user.
• "Second hand boiler or unfired pressure vessel" shall mean a boiler or unfired pressure vessel of which both the location and ownership have changed after primary use.
• "Standard boiler or unfired pressure vessel" shall mean a boiler or unfired pressure vessel which bears the marking of the codes adopted in WAC 296-104-200.
• "Unfired pressure vessel" shall mean a closed vessel under pressure excluding:
* Fired process tubular heaters;
* Pressure containers which are integral parts of components of rotating or reciprocating mechanical devices where the primary design considerations and/or stresses are derived from the functional requirements of the device;
* Piping whose primary function is to transport fluids from one location to another;
* Those vessels defined as low pressure heating boilers or power boilers.
• "Unfired steam boiler" shall mean a pressure vessel in which steam is generated by an indirect application of heat. It shall not include pressure vessels known as evaporators, heat exchangers, or vessels in which steam is generated by the use of heat resulting from the operation of a processing system containing a number of pressure vessels, such as used in the manufacture of chemical and petroleum products, which will be classed as unfired pressure vessels.
     "Certificate of competency" shall mean a certificate issued by the Washington state board of boiler rules to a person who has passed the tests as set forth in WAC 296-104-050.

     "Certificate of inspection" shall mean a certificate issued by the chief boiler inspector to the owner/user of a boiler or unfired pressure vessel upon inspection by an inspector. The boiler or unfired pressure vessel must comply with rules, regulations, and appropriate fee payment shall be made directly to the chief boiler inspector.

     "Code, API-510" shall mean the Pressure Vessel Inspection Code of the American Petroleum Institute with addenda and revisions, thereto made and approved by the institute which have been adopted by the board of boiler rules in accordance with the provisions of RCW 70.79.030.

     "Code, ASME" shall mean the boiler and pressure vessel code of the American Society of Mechanical Engineers with addenda thereto made and approved by the council of the society which have been adopted by the board of boiler rules in accordance with the provisions of RCW 70.79.030.

     "Code, NBIC" shall mean the National Board Inspection Code of the National Board of Boiler and Pressure Vessel Inspectors with addenda and revisions, thereto made and approved by the National Board of Boiler and Pressure Vessel Inspectors and adopted by the board of boiler rules in accordance with the provisions of RCW 70.79.030.

     "Commission" shall mean an annual commission card issued to a person in the employ of Washington state, an insurance company or a company owner/user inspection agency holding a Washington state certificate of competency which authorizes them to perform inspections of boilers and/or unfired pressure vessels.

     "Department" as used herein shall mean the department of labor and industries of the state of Washington.

     "Director" shall mean the director of the department of labor and industries.

     "Domestic and/or residential purposes" shall mean serving a private residence or an apartment house of less than six families.

     "Existing installations" shall mean any boiler or unfired pressure vessel constructed, installed, placed in operation, or contracted for before January 1, 1952.

     "Inspection certificate" see "certificate of inspection."

     "Inspection, external" shall mean an inspection made while a boiler or unfired pressure vessel is in operation and includes the inspection and demonstration of controls and safety devices required by these rules.

     "Inspection, internal" shall mean an inspection made when a boiler or unfired pressure vessel is shut down and handholes, manholes, or other inspection openings are open or removed for examination of the interior. An external ultrasonic examination of unfired pressure vessels less than 36" inside diameter shall constitute an internal inspection.

     "Inspector" shall mean the chief boiler inspector, a deputy inspector, or a special inspector.

• "Chief inspector" shall mean the inspector appointed under RCW 70.79.100 who serves as the secretary to the board without a vote.
• "Deputy inspector" shall mean an inspector appointed under RCW 70.79.120.
• "Special inspector" shall mean an inspector holding a Washington commission identified under RCW 70.79.130.
     "Nationwide engineering standard" shall mean a nationally accepted design method, formulae and practice acceptable to the board.

     "Operating permit" see "certificate of inspection."

     "Owner" or "user" shall mean a person, firm, or corporation owning or operating any boiler or unfired pressure vessel within the state.

     "Owner/user inspection agency" shall mean an owner or user of boilers and/or pressure vessels that maintains an established inspection department, whose organization and inspection procedures meet the requirements of a nationally recognized standard acceptable to the department.

     "Place of public assembly" or "assembly hall" shall mean a building or portion of a building used for the gathering together of 50 or more persons for such purposes as deliberation, education, instruction, worship, entertainment, amusement, drinking, or dining or waiting transportation. This shall also include child care centers (those agencies which operate for the care of thirteen or more children), public and private hospitals, nursing and boarding homes.

     "Special design" shall mean a design using nationwide engineering standards other than the codes adopted in WAC 296-104-200 or other than allowed in WAC 296-104-230.

[Statutory Authority: Chapter 70.79 RCW. 04-21-069, § 296-104-010, filed 10/19/04, effective 1/1/05. Statutory Authority: RCW 70.79.030, 70.79.040, 70.79.150, 70.79.290, 70.79.330, 70.79.350, and chapter 70.79 RCW. 04-01-194, § 296-104-010, filed 12/24/03, effective 1/24/04; 02-23-036, § 296-104-010, filed 11/13/02, effective 12/14/02; 01-24-061, § 296-104-010, filed 11/30/01, effective 12/31/01. Statutory Authority: RCW 70.79.030, 70.79.040 and chapter 70.79 RCW. 00-21-024, § 296-104-010, filed 10/10/00, effective 11/13/00. Statutory Authority: RCW 70.79.030 and 70.79.040. 99-22-026, § 296-104-010, filed 10/26/99, effective 11/26/99; 98-22-024, § 296-104-010, filed 10/28/98, effective 11/28/98; 96-21-081, § 296-104-010, filed 10/16/96, effective 11/16/96. Statutory Authority: RCW 70.79.040. 94-21-002, § 296-104-010, filed 10/5/94, effective 11/5/94; 93-12-014, § 296-104-010, filed 5/21/93, effective 6/21/93; 92-11-070, § 296-104-010, filed 5/20/92, effective 6/20/92. Statutory Authority: RCW 70.79.240. 88-01-064 (Order 87-25), § 296-104-010, filed 12/17/87. Statutory Authority: RCW 70.79.040 and 70.79.050. 86-01-088 (Order 85-26), § 296-104-010, filed 12/19/85; Order 72-11, § 296-104-010, filed 7/7/72; Part I, filed 3/23/60.]


AMENDATORY SECTION(Amending WSR 02-23-036, filed 11/13/02, effective 12/14/02)

WAC 296-104-170   Inspection -- When are shop inspections required?   Shop inspections shall be as required in the standards of construction as adopted in WAC 296-104-200. Only inspectors and supervisors of inspectors holding a national board commission with the appropriate endorsements ((and a commission issued by the state of Washington)) shall make shop inspections in this state. ((Supervisors of inspectors who perform shop inspections in the state need only a National Board Commission with the appropriate endorsements.))

     Upon request from a boiler or pressure vessel manufacturer holding an ASME Certificate of Authorization within the jurisdiction, the department shall provide inspection services as required by the ASME Code. The manufacturer receiving such inspection services shall reimburse the department for the time and expenses in accordance with the fee schedule established in WAC 296-104-700.

[Statutory Authority: RCW 70.79.030, 70.79.040, 70.79.150, 70.79.290, 70.79.330, 70.79.350, and chapter 70.79 RCW. 02-23-036, § 296-104-170, filed 11/13/02, effective 12/14/02. Statutory Authority: RCW 70.79.030 and 70.79.040. 99-22-026, § 296-104-170, filed 10/26/99, effective 11/26/99; 96-21-081, § 296-104-170, filed 10/16/96, effective 11/16/96. Statutory Authority: RCW 70.79.040. 90-20-029, § 296-104-170, filed 9/24/90, effective 10/25/90. Statutory Authority: RCW 70.79.030. 78-03-057 (Order 78-3), § 296-104-170, filed 2/22/78; Part III, § 15, filed 3/23/60.]


AMENDATORY SECTION(Amending WSR 05-22-092, filed 11/1/05, effective 1/1/06)

WAC 296-104-200   Construction -- What are the standards for new construction?   The standards for new construction are:

     (1) ASME Boiler and Pressure Vessel Code, 2004 edition, with addenda Sections I, III, IV, VIII, Division 1, 2, 3, X, XII;

     (2) ASME PVHO-1 2002-2003 Safety Standard for Pressure Vessels for Human Occupancy; and

     (3) ASME CSD-1 ((2002)) 2004 edition with addenda (as referenced in WAC 296-104-302); and

     (4) NFPA 85 Boiler and Combustion Systems Hazards Code 2004 edition (for use with boilers with fuel input ratings of 12, 500,000 BTU/hr) or greater; and

     (5) Standards of construction approved by the chief inspector and meeting the National Board Criteria for Registration of Boilers, Pressure Vessels and Other Pressure Retaining Items.

     These codes and standards may be used on or after the date of issue and become mandatory twelve months after adoption by the board as specified in RCW 70.79.050(2). ASME Code Cases may be approved for use when accepted by the chief inspector. The board recognizes that the ASME Code states that new editions of the code become mandatory on issue and that subsequent addenda become mandatory six months after the date of issue. For nuclear systems, components and parts the time period for addenda becoming mandatory is defined in the Code of Federal Regulations.

[Statutory Authority: RCW 70.79.030, 70.79.040, 70.79.150, 70.79.290, 70.79.330, and 70.79.350. 05-22-092, § 296-104-200, filed 11/1/05, effective 1/1/06. Statutory Authority: Chapter 70.79 RCW. 04-21-069, § 296-104-200, filed 10/19/04, effective 1/1/05. Statutory Authority: RCW 70.79.030, 70.79.040, 70.79.150, 70.79.290, 70.79.330, 70.79.350, and chapter 70.79 RCW. 02-23-036, § 296-104-200, filed 11/13/02, effective 12/14/02; 01-24-061, § 296-104-200, filed 11/30/01, effective 12/31/01. Statutory Authority: RCW 70.79.030, 70.79.040 and chapter 70.79 RCW. 00-21-024, § 296-104-200, filed 10/10/00, effective 11/13/00. Statutory Authority: RCW 70.79.030 and 70.79.040. 98-22-024, § 296-104-200, filed 10/28/98, effective 11/28/98; 97-20-109, § 296-104-200, filed 9/30/97, effective 10/31/97; 96-21-081, § 296-104-200, filed 10/16/96, effective 11/16/96. Statutory Authority: RCW 70.79.040. 93-12-014, § 296-104-200, filed 5/21/93, effective 6/21/93; 92-11-070, § 296-104-200, filed 5/20/92, effective 6/20/92; 91-11-107, § 296-104-200, filed 5/22/91, effective 6/22/91; 90-04-009, § 296-104-200, filed 1/26/90, effective 2/26/90. Statutory Authority: RCW 70.79.040 and 70.79.050. 86-01-088 (Order 85-26), § 296-104-200, filed 12/19/85. Statutory Authority: RCW 70.79.030 and 70.79.330. 84-11-016 (Order 84-09), § 296-104-200, filed 5/10/84; 82-24-025 (Order 82-36), § 296-104-200, filed 11/23/82, effective 1/1/83. Statutory Authority: RCW 70.79.030. 82-05-003 (Order 82-2), § 296-104-200, filed 2/4/82; 81-12-012 (Order 81-10), § 296-104-200, filed 5/28/81; 81-01-114 (Order 80-28), § 296-104-200, filed 12/24/80; 80-05-065 (Order 80-7), § 296-104-200, filed 4/23/80; 79-05-054 (Order 79-7), § 296-104-200, filed 4/30/79; 78-10-096 (Order 78-19), § 296-104-200, filed 10/3/78; Order 77-23, § 296-104-200, filed 11/8/77; Order 77-9, § 296-104-200, filed 5/26/77; Order 75-35, § 296-104-200, filed 10/29/75; Order 74-37, § 296-104-200, filed 11/8/74; Order 73-1, § 296-104-200, filed 3/22/73; Order 72-17, § 296-104-200, filed 9/28/72; Order 72-11, § 296-104-200, filed 7/7/72; Part IV, § 1, filed 3/23/60.]


AMENDATORY SECTION(Amending WSR 96-21-081, filed 10/16/96, effective 11/16/96)

WAC 296-104-255   Installation -- ((Clearance at top of)) What are the required clearances for boilers((.))?   When boilers are replaced or new boilers installed in either existing or new buildings, a minimum top clearance as specified below shall be provided between the top of boiler proper and ceiling. Sufficient access must be provided for inspection, maintenance, operations, and repair. Required clearances shall be:

     (1) Minimum clearance on top of power boilers having a steam generating capacity in excess of 5,000 pounds per hour or having a heating surface in excess of 1,000 sq. ft. or input in excess of 5,000,000 btu per hour((. Clearance)) shall be 7 feet.

     (2) Minimum clearance on top of low pressure heating boilers which exceed any one of the following limits: 5,000,000 btu input; 5,000 lbs. steam per hour capacity or 1,000 sq. ft. heating surface; and power boilers which do not exceed any of the following limits: 5,000,000 btu input; 5,000 lbs. steam per hour capacity or 1,000 sq. ft. heating surface; ((and all boilers with manholes on top of boiler except those described in paragraph (1) above)) shall be . . . . . . . . . . . . 3 feet.

     (3) ((Low pressure heating)) Minimum clearance on top of boilers which do not exceed the above limits and miniature boilers; shall be . . . . . . . . . . . . 2 feet.

     (4) Minimum clearance from manhole openings and any wall, ceiling, or piping that will prevent a person from entering the boiler shall be . . . . . . . . . . . . 5 feet.

     (5) Minimum clearances at sides, front and back wall shall be the manufacturers' recommendations, but in no case less than eighteen inches.

[Statutory Authority: RCW 70.79.030 and 70.79.040. 96-21-081, § 296-104-255, filed 10/16/96, effective 11/16/96; Part IV, § 12, filed 3/23/60.]


AMENDATORY SECTION(Amending WSR 04-21-069, filed 10/19/04, effective 1/1/05)

WAC 296-104-502   Repairs -- What are the requirements for nonnuclear boilers and unfired pressure vessel repairs and alterations?   Repairs and alterations to nonnuclear boilers and pressure vessels shall be made in accordance with the rules of the National Board Inspection Code (NBIC) as adopted in WAC 296-104-102. Additionally, repairs and alterations to nonstandard boilers and pressure vessels, as addressed in WAC 296-104-215, must be authorized by the chief inspector.

     Repairs and alterations may be made by an organization ((authorized by the jurisdiction and)) in possession of a valid Certificate of Authorization for use of the "R" symbol stamp, issued by the National Board provided such repairs/alterations are within the scope of the authorization.

     Owner/user special inspectors may only accept repairs and alterations to boilers and unfired pressure vessels operated by their respective companies per RCW 70.79.130.

     Documentation of repairs and alterations, in accordance with the requirements of the National Board Inspection Code (NBIC) as adopted in WAC 296-104-102, shall be submitted to the department.

[Statutory Authority: Chapter 70.79 RCW. 04-21-069, § 296-104-502, filed 10/19/04, effective 1/1/05. Statutory Authority: RCW 70.79.030, 70.79.040, 70.79.150, 70.79.290, 70.79.330, 70.79.350, and chapter 70.79 RCW. 02-23-036, § 296-104-502, filed 11/13/02, effective 12/14/02; 01-24-061, § 296-104-502, filed 11/30/01, effective 12/31/01. Statutory Authority: RCW 70.79.030, 70.79.040 and chapter 70.79 RCW. 00-21-024, § 296-104-502, filed 10/10/00, effective 11/13/00. Statutory Authority: RCW 70.79.030 and 70.79.040. 99-22-026, § 296-104-502, filed 10/26/99, effective 11/26/99; 98-22-024, § 296-104-502, filed 10/28/98, effective 11/28/98. Statutory Authority: RCW 70.79.040. 94-21-002, § 296-104-502, filed 10/5/94, effective 11/5/94.]


AMENDATORY SECTION(Amending WSR 04-21-069, filed 10/19/04, effective 1/1/05)

WAC 296-104-520   Repairs -- What are the requirements for repair of nonnuclear safety devices?   (1) The resetting, repairing, and restamping of safety valves and relief valves shall be done by a qualified ((manufacturer or)) valve repair organization holding a valid (("V," "UV," or)) "VR" Certificate of Authorization issued by the National Board of Boiler and Pressure Vessel Inspectors. ((Section IV safety valves shall be repaired only by the valve manufacturer.)) ASME valve manufacturers holding a valid "V," "HV," and "UV" Certificate(s) of Authorization may also do this work provided they also have a valid "VR" Certificate of Authorization issued by the National Board.

     (2) With jurisdictional approval, boiler and pressure vessel owners/users, ((however,)) may authorize external adjustments ((to be made)) to bring their installed safety valves and relief valves, ((except Section IV safety valves,)) back to the stamped set pressure when performed by the owner/user's trained, qualified, regular, and full-time employees ((or this adjustment shall be witnessed and approved by a National Board Commissioned Inspector)). Refer to Appendix "J" of the National Board Inspection Code as referenced in WAC 296-104-102 for guidelines ((in)) regarding training ((and qualifying)), documentation, and the implementation of a quality system for the owner/user employees. All such external adjustments shall be resealed with a metal tag showing the identification of the organization making the adjustments and the date. If any valve repairs are required, they shall be done by a qualified "VR" certificate holder.

     (3) Repairing of noncode relief or safety valves shall not be allowed, except as specified below. Noncode liquid relief valves installed prior to 1-1-85 shall be repaired by an organization holding a valid (("V," "UV," or)) "VR" Certificate of Authorization, but need not be stamped.

[Statutory Authority: Chapter 70.79 RCW. 04-21-069, § 296-104-520, filed 10/19/04, effective 1/1/05. Statutory Authority: RCW 70.79.030, 70.79.040, 70.79.150, 70.79.290, 70.79.330, 70.79.350, and chapter 70.79 RCW. 04-01-194, § 296-104-520, filed 12/24/03, effective 1/24/04. Statutory Authority: RCW 70.79.030 and 70.79.040. 98-22-024, § 296-104-520, filed 10/28/98, effective 11/28/98; Part VII, § 5, filed 3/23/60.]


AMENDATORY SECTION(Amending WSR 98-22-024, filed 10/28/98, effective 11/28/98)

WAC 296-104-540   Repairs -- What are the requirements for nuclear repairs of safety devices?   All nuclear ((components)) pressure retaining items shall be safe-guarded by safety devices, as specified in the ASME Section III ((Code)), Division 1, Class 1, 2, and 3.

     (1) The resetting, repair, and restamping of these safety devices shall be performed only by organizations holding a valid ((ASME "N")) National Board "NR" and "VR" Certificate of Authorization to repair ASME Section III Code safety devices. The repair work shall be documented on the applicable NR-1/NVR-1 form. All repair/replacement activities performed under the "NR" Certificate of Authorization must be in accordance with the provisions of the NBIC, ASME Section XI, and the rules of the jurisdiction.

     (2) Nuclear plant owners with an approved ASME Section XI program, may authorize ((resetting, repairing or replacement of their safety devices)) external adjustments to bring their installed safety valves and relief valves back to the stamped set pressure when performed by the owner's/user's trained, qualified, regular, and full-time employees. Refer to Appendix "J" of the National Board Inspection Code as referenced in WAC 296-104-102 for guidelines regarding training, documentation, and implementation of a quality system for the owner/user employees.

     (3) ((Resetting, repairing or replacement activities shall be witnessed and approved by an inspector, with appropriate National Board endorsements.)) All such external adjustments shall be resealed with a metal tag showing the identification of the organization making the adjustments and the date.

     (4) ((All repaired safety devices shall be resealed showing the identification of the organization making the repair and the date.)) If any valve repairs are required, they shall be done by a qualified "VR" and "NR" certificate holder.

[Statutory Authority: RCW 70.79.030 and 70.79.040. 98-22-024, § 296-104-540, filed 10/28/98, effective 11/28/98.]


REPEALER

     The following section of the Washington Administrative Code is repealed:
WAC 296-104-256 Installation -- What are the required clearances for boilers?

© Washington State Code Reviser's Office