MN471000 - Change History

Chapter 5, "Selecting and Assembling Pressure Hardware"

Global Change to insert requirement for managers to ensure that training is accomplished. See detailed change history for ES&H Manual, 10/31/08.

May 22, 2008

Note: (*) asterisk denotes substantive change.

This chapter was revised to:

Under the topic, “Gas Cylinders,” under subtopic, “Storage,” and under Requirements:

*Delete: The requirement, “Storage areas must be approved by Facilities ES&H (FESH) Support.”
Add: The note, “When questions arise, consult with Facilities Fire Protection Engineering for specific requirements on storage and separation of gas cylinders.”

Under the topic, “Common Compressed Gases,” and under subtopic, “Hydrogen”:

Add: The note, “When questions arise, consult with Facilities Fire Protection Engineering for specific requirements and guidelines on the use and storage of hydrogen.”

Under the topic, “Common Compressed Gases,” under subtopic, “Hydrogen,” and under Requirements:

*Delete: The following requirements:

Members of the Workforce shall:

Obtain Fire Protection approval for small system installations (<400 cu. ft. of hydrogen).
Obtain approval from Facilities ES&H (FESH) Support for hydrogen installations of more than 400 cu. ft. (more than two cylinders). Cylinders shall be located outdoors.
Notify FESH of planned new hydrogen installations.

Administrative Changes Only
April 11, 2008

Global change to insert appropriate reference to Corporate training requirements and documentation. See detailed change history for ES&H Manual, 4/11/08.

Administrative Changes Only
April 8, 2008

This chapter was revised to:

Under the topic “Pressure Safety Training Program,” and under subtopic “Training Requirements”:

Add: The note, “Web-based refresher training courses are currently under development, and are intended as the path to satisfy the refresher requirement. Members of the Workforce have a ninety-day period after a course becomes available online through TEDS to achieve compliance. A TEDS training notice will be distributed when the courses are posted.”

Administrative Changes Only
April 1, 2008

This chapter was revised to:

Under the topic “Pressure Safety Training Program,” and under subtopic “Training Requirements”:

Delete: The note, “PRS115R is currently available online. Other online refresher courses are currently under development.”

March 31, 2008

Note: (*) asterisk denotes substantive change

Chapter 1, “Introduction”

This Chapter was revised to:

Under topic, “Responsibilities”:
- *Change: First paragraph from “The Pressure Safety Committee (PSC) is the authority having jurisdiction for administering the Pressure Safety Program” to “The Manager, Safety Engineering, is the corporate Authority Having Jurisdiction for pressure-related matters. The SNL Pressure Safety Committee (PSC) is an advisory committee and reports to the Manager, Safety Engineering. The PSC provides interpretations and advice when questions arise concerning the safety of pressure systems or the applicability or meaning of pressure safety requirements.”
- *Delete: “Organization managers are responsible for:
  - Implementing the Pressure Safety Program, including periodic inspections of their pressure systems.
  - Seeking and using the advice and help of the principal people and organizations with knowledge about pressure safety. These groups are listed in Chapter 2, “The Pressure Safety Program."

Chapter 3, “Pressure Safety Practices”

This Chapter was revised to:

Under topic, “Organization of Sandia’s Pressure Safety Program,” and subtopic “Managers”:
- *Change: First item in list from “Each identified pressure system is represented by a responsible individual (e.g., Pressure Advisor, Pressure Installer, or Pressure Operator).” to “Each identified pressure system is represented by a responsible Member of the Workforce (e.g., Pressure Advisor, Pressure Installer, or Pressure Operator) as defined in the Applicability section in Chapter 1 of this document. Note: This is required even in cases in which equipment suppliers or offsite contractors participate in the installation of pressure equipment.”
- *Change: Third item in list from “Oversight is provided through periodic pressure system reevaluations (see Ch. 8 and Annual Pressure System Assessment Checklist for Pressure Advisors [Word file/Acrobat file]) and safety meetings. These serve as reminders for pressure safety” to “Equipment operators and maintenance personnel in the organization are properly trained and qualified. Training requirements for pressure system personnel are listed in the Training section of this Manual and on the Pressure Advisor Qualification Form [Word file/Acrobat file], the Pressure System Operator Qualification Form [Word file/Acrobat file], and the Pressure Installer Qualification Form [Word file/Acrobat file].”
- *Delete: “Equipment operators and maintenance personnel in the organization are properly trained and qualified (see Ch. 2 and Appendix A).”
- *Delete: “(see Ch. 7 and Ch. 9)” from end of item in list that reads, “Copies of all pressure system documentation are maintained by the organization traceable to the applicable pressure system.”
- *Delete: “Pressure equipment in the organization is properly maintained (see Ch. 8).”
- *Delete: “Safety relief valves within the organization are monitored for proper inspection, operational checks, testing and replacement intervals (see Ch. 8 for required intervals).”
- *Delete: “These requirements and intervals should be incorporated into the line organization's pressure system documentation (see Ch. 7 and Ch. 9).”
Under topic, “Organization of Sandia’s Pressure Safety Program,” and subtopic “Pressure Advisors”:
- *Change: Item in bulleted list from “Reviewing new pressure systems; review PSARs and ES&H Technical Work Documents (TWDs) dealing with pressure systems.” to “Reviewing new pressure systems and initial reviews of Data Packages and other ES&H Technical Work Documents (TWDs) dealing with pressure systems.”
- *Delete: “Assisting in conducting pressure system reviews.”
- *Delete: “Validating that the documentation requirements of the PSM are met: Make sure that all of the proper documentation exists (e.g., Data Packages, and PSARs when required), that it contains the appropriate data and is current
Under topic, “Organization of Sandia’s Pressure Safety Program,” and subtopic “Pressure Installers”:
- *Change: Second item under “Qualifications for PIs include,” from “Qualification to be determined by the line manager with concurrence of the Pressure Safety Program owner.” to “Qualification to be determined by the line manager.”
Under topic, “Pressure Safety Program Support Organizations,” and subtopic “Pressure Safety Committee”:
- Delete: In note, “4100” after “ES&H and Emergency Management Center.”
Under topic, “Pressure Safety Program Support Organizations,” and subtopic “Safety Engineering Department”:
- Delete: In header, “4122” after “Safety Engineering Department.”

Change: First sentence from” Department 4122 pressure safety personnel are responsible for:” to “Safety Engineering Department pressure safety personnel are responsible for:”

Under topic, “Pressure Safety Program Support Organizations,” and subtopic “Hardware Procurement Support Organizations”:
- Change: First bulleted item from “Safety Engineering Department (4122) and Health & Safety Department (8517).” to “The SNL/NM Safety Engineering Department and the SNL/CA Health & Safety Department.”
Under topic, “Pressure Safety Training Program,” and subtopic “Training Requirements”:
- *Add: “Refresher training for SNL courses is required at intervals not to exceed three years to provide updates on new requirements and pressure safety criteria. Note: PRS115R is currently available online. Other online refresher courses are currently under development.”
- Change: Final sentence in table from “Contact the Technical and Compliance Training Department (3521) in New Mexico and Department 8522 in California for information regarding classes.” to “Contact the Technical and Compliance Training Department (3521) in New Mexico and the Human Resources Department (8522) in California for information regarding classes.”

This Chapter was revised to:

Under topic, “Designing and Selecting Pressure Vessels,” and subtopic “Guidance”:
- Change: First bulleted item from “An ASME Code design (see SF 2001-CPA, Pressure System Checklist for Pressure Advisors [Word file/Acrobat file]).” to “An ASME Code design.”
Under topic, “Considerations for Secondary Containment and Protective Shields”:
- Delete: “Note: The text of this section was moved unchanged from the old Chapter 6.”

Chapter 6, “Testing and Evaluating Pressure Systems”

This Chapter was revised to:

Note: (*) asterisk denotes substantive change

Note: Over 75% of this section is either new or has been substantively changed and should therefore be read in its entirety.

The majority of changes in this chapter were to define more closely the responsibilities of Pressure Installers and Members of the Workforce who have pressure safety roles. Readers should be aware that a considerable amount of information pertaining to Managers’ requirements has been deleted from this chapter.

Chapter 7, “Verifying the Safe Operation of Pressure Systems”

This Chapter was revised to:

Under topic, “Identifying Potential Hazards,” and subtopic “Typical Questions”:
- Change: Item in bulleted list from “Have the relief devices been properly set, and are they properly labeled?” to “Have the relief devices been properly set?”
- Change: Item in bulleted list from “Labels on all vessels, as specified in Ch. 4.” to “There should be labels on all vessels, as specified in Ch. 4.”
Under topic, “Technical Work Document (TWD),” and subtopic “Developing a TWD”:
- *Change: First Item in bulleted list from “Pressure system safety and compliance with this manual are documented in a Data Package (see Chapter 9 for full documentation requirements.)” to “Pressure system safety and compliance with this manual are documented in a Data Package.”
Under topic, “Technical Work Document (TWD)”:
- *Delete: Subtopic “Review and Approval.”

Chapter 9, “Documenting the Operational Safety of Pressure Systems”

This Chapter was revised to:

Under topic, Data Package,” and subtopic “Requirements”:

*Add: The following requirement:

Managers shall ensure that the Data Package that they approve contains, as a minimum, the following information:
Any applicable criteria upon which re-evaluations are based, including retesting or replacement intervals.

Appendix A, “Pressure System Checklist”

This Appendix was revised to:

Note: (*) asterisk denotes substantive change

Note: Over 75% of this appendix is either new or has been substantively changed and should therefore be read in its entirety.

The changes in this Appendix were to delete guidance on Pressure System Inventory and Pressure System Documentation.

Appendix G, “The Pressure Safety Drawing Review Program”

This appendix was revised to:

Under topic, “Drawings Reviews,” and subtopic “Guidance”:
- Delete: Item in bulleted list that reads “Use the PSM checklist (SF 2001-CPA [Word file/Acrobat file]) in accordance with the PSM, except for the operating portion that is the responsibility of the line PA.”

Appendix J, “Pressure Relief Valve Test Procedures and Policies”

This appendix was revised to:

Under topic, “Introduction,” and subtopic “Requirements”:
- *Delete: Item in first bullet: “(tagging).”
- *Change: Final sentence from “This appendix describes accepted policy and procedures on the testing and certification of PRVs in use at SNL.” to “This appendix describes accepted policy on the testing of PRVs in use at SNL, and sets forth the procedures to be used by line organizations that have PRV testing capabilities at SNL.”
Under topic, “Designated PRV Testing Stations at SNL,” and subtopic “Customer Service Organization”:
- Change: From “Members of the Workforce should refer PRV testing to the Onsite Calibration & Maintenance Department (2541-1), which is the customer service organization at SNL/NM that performs PRV testing. They will perform tests and supply the data needed by the line to certify PRVs for use. This appendix sets forth the procedures to be used by the Materials Mechanics Engineering Department and all other line organizations that have testing capabilities of valves at SNL.” to “Members of the Workforce should refer PRV testing to the Onsite Calibration & Maintenance Department. They will perform tests and supply the data needed by the line to assess whether the PRVs are suitable for use.”
Under topic, “Designated PRV Testing Stations at SNL,” and subtopic “Tagging and Tracking”:
- Change: Subtopic title from “Tagging and Tracking” to “Tracking.”
- *Change: From “Members of the Workforce shall” to “Pressure Installers shall.”
- *Change: First bullet from “Be responsible for identifying, documenting (tagging) and tracking relief valves for retest. Test tags applied by valve vendors signify that the valve meets manufacturer's specifications.” to “Be responsible for identifying, documenting and tracking relief valves for re-test. Note: Test tags applied by valve vendors signify that the valve meets manufacturer's specifications.”
Under topic, “Hardware for PRV Test Stations,” and subtopic “Test Stations”:
- *Delete: Item d that reads “Tag valves accepted for certification. Certification requires line (pressure system installer) approval signature and shall consider test results and the valve's application.”
Under topic, “PRV Testing Procedures,” and subtopic “Testing Environment”:
- *Delete: Final note that reads “Note: The Onsite Calibration & Maintenance Department (2541-1) will use dry nitrogen for valves tested with gas and de-ionized water for hydrostatic valve testing. Other media may be used if approved by the valve owner and line Pressure Advisor.”
Under topic, “PRV Testing Procedures,” and subtopic “Adjustable PRVs”:
- *Change: First bullet from “Retest and certify a valve before use when there has been any adjustment of the set pressure of an adjustable PRV.“ to “Re-test and verify that a valve is suitable for use when there has been any adjustment of the set pressure of an adjustable PRV.”
Under topic, “PRV Testing Procedures,” and subtopic “Testing Valve Parameters”:
- Delete: “(2542-1)” after “Onsite Calibration & Maintenance Department.”
Under topic, “PRV Testing Procedures,” and subtopic “Cleaning and Repairing Valves”:
- Delete: “(2542-1)” after “Onsite Calibration & Maintenance Department.”
Under topic, “PRV Testing Procedures,” and subtopic “Burst Disks”:
- *Change: From “Members of the Workforce shall not have burst disks tested by the Onsite Calibration & Maintenance Department (2541-1)” to “Members of the Workforce shall not have burst disks tested by the Structural Mechanics Engineering Department.”
Under topic, “PRV Testing Procedures,” and subtopic “Specific Test Procedures”:
- *Change: Item 9 in the list from “Certify and tag a valve based on its operational test results and the application. The approval for certification shall be made by the system's Pressure Installer or line Pressure Advisor.” to “Document the operational test results and the application. The approval for use shall be made by the system's Pressure Installer or line Pressure Advisor.”
Under topic, “Data Recording and Record Keeping”:
- *Delete: Subtopic “Tagging.”
Under topic, “Special Cases – Nonroutine Testing Procedures,” and subtopic “Original Equipment Manufacturer (OEM) Specification and Testing”:
- *Change: First sentence from “OEM specifications and testing from a known, reputable manufacturer are acceptable in lieu of in-house testing to certify a valve for service for an initial interval.” to “OEM specifications and testing from a known, reputable manufacturer are acceptable in lieu of in-house testing to place a valve into service for an initial interval.”
Under topic, “Special Cases – Nonroutine Testing Procedures,” and subtopic “Inspection and Replacement Intervals”:
- *Change: First sentence from “The user shall state, in the Pressure Data Package, inspection and replacement or retest intervals for the valve and document any alternate tests or procedures that are performed. Criteria for rejection shall be listed.” to “The user shall state, in the system Data Package, inspection and replacement or retest intervals for the valve and document any alternate tests or procedures that are performed.”
Under topic, “Recall of PRVs and Monitoring of Test Intervals,” and subtopic “Requirements”:
- *Change: From “Members of the Workforce shall be responsible for monitoring test intervals of relief valves within their cognizance. See Chapter 8, "Servicing Pressure Vessels and Components," for a complete listing of the responsibilities concerning relief valves.” to “Pressure Installers shall be responsible for monitoring test intervals of relief valves within their cognizance. See Chapter 8, "Servicing Pressure Vessels and Components," for a complete listing of the responsibilities concerning pressure relief valves.”
Under topic, “Recall of PRVs and Monitoring of Test Intervals”:
- *Delete: Subtopic “Test Date Recorded on Valve Tag.”
Under topic, “Recall of PRVs and Monitoring of Test Intervals,” and subtopic “Replacement Valves”:
- *Change: From “Members of the Workforce shall have replacement PRVs tested and ready for use before shutting down a system to replace valves due for retest.” to "Pressure Installers shall have replacement PRVs tested and ready for use before shutting down a system to replace valves due for re-test.

Administrative Changes Only
January 28, 2008

Chapter 4, "Procuring Pressure Vessels and Special Systems Components"

This chapter was revised to:

Under topic, "Pressure Safety Program Support Organizations," and subtopic "Pressure Safety Committee":

Change: Organization name and number from "ES&H & Emergency Management Center 10300" to "ES&H and Emergency Management Center 4100" in the Note.
Change: Director’s title from "Director, Integrated Safety and Security Center" to "Director, ES&H and Emergency Management Center" in the first bullet.

Under topic, "Pressure Safety Program Support Organizations," and subtopic "Safety Engineering Department":

Change: Organization number from "Safety Engineering Department (10322)" to "Safety Engineering Department (4122)" in header.
Change: Organization number from "Department 10322" to "Department 4122" in the first sentence.

Under topic, "Pressure Safety Program Support Organizations," and subtopic "Hardware Procurement Support Organizations":

Change: Organization number from "Safety Engineering Department (10322)" to "Safety Engineering Department (4122)" in the first bullet.

This chapter was revised to:

Under topic, "Procuring Pressure Vessels and Special Systems Components," and subtopic "Guidance":

Change: Organization names and numbers from "Materials Mechanics Department (9123) or the Materials Mechanics Department (8725)" to "Experimental Mechanics Department (1522) or the Mechanics of Materials Department (8776)".

Under topic, "Records," and subtopic "Requirements":

Change: Organization number from "10854" to "4856" in two instances in the third bullet.

Appendix D, "Vacuum Safety"

This appendix was revised to:

Under topic, "Vacuum Application Pressure Relief Devices," and subtopic "For More Information on Pressure Relief Devices":

Change: Organization name and number from "Safety Engineering Department (3122) (Safety Department [8517] at SNL/CA)" to "Safety Engineering Department (4122) (Health & Safety Department [8517] at SNL/CA)".

Appendix G, "The Pressure Safety Drawing Review Program"

This appendix was revised to:

Under topic, "SNL Pressure Safety Committee Roster":

Add: M. D. Olbin as a Division 2000 representative

Under topic, "Pressure Safety Assistance Index – California Personnel":

Change: Safety Engineering contact name from J. A. Orsbun to H. O. Armijo

This appendix was revised to:

Under topic, "Drawings Reviews," and subtopic "Requirements":

Change: Organization name from "Purchasing Center" to "Supply Chain Management Center" in the Note.

Appendix J, "Pressure-Relief Valve Test Procedures and Policies"

This appendix was revised to:

Change: Organization number from "Onsite Calibration & Maintenance Department (2541-1)" to "Onsite Calibration & Maintenance Department (2542-1)" throughout the document.

Administrative Changes Only
December 19, 2007

Chapter 8, "Servicing Pressure Vessels and Components"

This chapter was revised to:

Remove: Throughout the chapter the term "(owning manager)."

December 14, 2007

Global Change to insert appropriate reference to 10 CFR 851. See detailed change history for ES&H Manaul, 12/14/07.

Administrative Changes Only
November 21, 2007

This appendix was revised to:

Under topic, "SNL Pressure Safety Committee Roster":

Delete: N. D. Roberts as the Pressure Testing Representative and insert the label "Vacant" to indicate an unfilled committee function.
Delete: J. A. Orsbun as a Division 8000 representative.

October 8, 2007

Chapter 8, "Servicing Pressure Vessels and Components"

Note: (*) asterisk denotes substantive change.

This chapter was revised to:

Under topic, �Overview�:
- *Change: The first sentence
to
- Add: The following guidance:
  - The overarching issue when developing a plan for servicing pressure systems is determining potential failure modes and the consequences resulting from such a failure. System specific factors such as pressure cycles, temperature, particulate contamination, embrittlement, corrosion, or other environmental factors are all potential mechanisms of degradation that should be considered when determining the frequency of inspection and repair/replacement. Performing inspections and tracking the maintenance history of vessels and components (over the service lifetime) provides an important baseline for the continued safe operation of pressure systems.
  - As part of the service and maintenance process, the Pressure Installer (owning manager) should evaluate the scope of work and the potential hazard it represents, the need for the Control of Hazardous Energy (COHE), and the use of Lockout/Tagout (LOTO) devices prior to performing maintenance activities. Common hazards presented by pressure systems include, but are not limited to, the creation of mechanical pinch points, hose whip, and the release of a toxic or pyrophoric gas. Follow current SNL policies on COHE procedures when applying locks and tags. Any specific procedure or system may need a COHE evaluation – when questions arise, contact your division ES&H team for assistance.
Under topic, "Pressure Vessels and Components":
- Delete: The note:
- *Delete: The topic "Primary Responsibility" and all associated requirements, as follows:
Under topic, "Pressure Vessels and Components," and subtopic "Research and Development Systems":

*Change: The requirement

from

"Managers of pressure and vacuum systems used in research and development shall be responsible for maintaining these systems."

"The Pressure Installer (owning manager) of pressure, cryogenic and vacuum systems used in research and development shall be responsible for maintaining these systems."

Under topic, "Pressure Vessels and Components," and subtopic "Building Pressure Systems":

*Change: The department listed as being responsible for maintaining building pressure systems from "Mechanical & Structural Engineering Department (10862)" to "Facilities Mechanical Engineering and Controls Department."

Delete: The last bullet in the note regarding "Building pressure systems may include, but are not limited to" as follows:
- Cryogenic liquid or gaseous systems such as nitrogen and hydrogen.

Under topic, "Cryogenic Systems," and under the subtopic "Conformance":

Move: All the requirements listed under the subtopic "Conformance" to the subtopic "Designing and Maintaining."
Delete: The subtopic "Conformance."

Under topic, "Cryogenic Systems," under subtopic "Designing and Maintaining," and under "Requirements":

*Change: The first sentence from "Managers of cryogenic systems shall:" to "Pressure Installers who own cryogenic systems shall:"
Change: The bullet from "Ensure that systems conform to applicable standards and specifications (e.g., Handbook of Compressed Gases, published by the Compressed Gas Association, Inc.)" to "Ensure that systems conform to applicable standards and specifications."
*Add: The following requirements:

Pressure Installers who own cryogenic systems shall:

Ensure that all safety devices associated with cryogenic systems are:

Periodically inspected
Re-tested or replaced
Tracked

*Add: The following requirements and note:

For Building Systems: Per the Cryogenic Systems Ownership Responsibilities Administrative Procedure (AP-502), the Facilities Mechanical Engineering and Controls Department shall:

Be responsible for the coordination of design, modification, inspection, and maintenance of cryogenic systems.

Pressure Installers who own cryogenic systems shall:

Ensure that the facilities support contact is consulted for necessary repairs, modifications and inspections rather than attempting any maintenance or repair of cryogenic equipment themselves.

Note: The inspection and maintenance of cryogenic systems should be provided through a Service Contract managed by the Facilities organization.

Under topic, "Maintenance of Components":
- Add: The following new subtopics with associated requirements and guidance, with text and text changes as noted below:
  - Pressure Relief Valves (PRVs)
  - Other Components
- Move: All Table 8-1 requirements and guidance into the applicable topic/subtopic, as determined by the "Components" column.
- Delete: Table 8-1 and renumber Table 8-2 (i.e., Table 8-2 becomes Table 8-1).
Under topic, "Maintenance of Components," under subtopic "Pressure Relief Valves (PRVs)," and under "Requirements":
- *Add: The following requirement:
- *Add: The note "Tags are commonly used for this purpose," to the requirement:
- *Add: The following requirement:
Under topic, "Maintenance of Components," under subtopic "Pressure Relief Valves (PRVs)," under "Guidance," and under "Inspection":

*Change: The requirement from "PRVs shall be periodically inspected for evidence of leakage, corrosion, tampering, or other type of damage and for evidence of usage conditions that may cause the valve to malfunction." to "PRVs should be periodically inspected for evidence of leakage, corrosion, tampering, or other type of damage and for evidence of usage conditions that may cause the valve to malfunction."

Add: The following guidance and note:

There should be a clear, unrestricted vent path on the outlet of the PRV. The Pressure Installer inspection process should include:

Checking the test date of the PRV.
Visual external inspections looking for signs of leakage, corrosion or valve tampering.

Note: Exercising the PRV could result in valve leakage. Do not cap, plug or restrict the flow on the outlet of a leaking PRV.

Verifying that the proper PRV has been selected for the system specific application. Verification can include materials compatibility and checking the flow calculations for accumulated pressure conclusions found in the Pressure Safety Data Package.

*Change: The requirement from "New valves shall be inspected for damage or contamination that may have occurred during packaging and shipment." to "New valves should be inspected for damage or contamination that may have occurred during packaging and shipment."

Under topic, "Maintenance of Components," under subtopic "Pressure Relief Valves (PRVs)," under "Guidance," and under "Retest":
- Change: The guidance from "To help supply information for the certification process, the Materials Engineering Department (9123), or another approved PRV test station, tests and adjusts PRVs in accordance with Appendix J and provides test results to the line organization." to "To help supply information for the retest process, the Onsite Calibration & Maintenance Department, or another approved PRV test station, can test and adjust PRVs in accordance with Appendix J and provide test results to the Pressure Installer."
- Add: The following guidance:
  - Pressure Installers can use Table 8-1 as a tool to establish the testing intervals of pressure relief valves. Notation of the established PRV testing intervals should be documented within the system Pressure Safety Data Package. For further guidance, consult the pressure safety SMEs.
- Change: The "Inspection and Testing Intervals" specified in Table 8-2 for the operating conditions, "Inert Applications (under 3000 psig) dry air, gases or liquids not reactive to valve materials, and non-glutinous fluids,"
from
- Inspect annually
- Test & tag every 3 years
to
- Inspected and tested or replaced every 3 years
- Change: The "Inspection and Testing Intervals" specified in Table 8-2 for the operating conditions, "High Pressure Applications (over 3000 psig),"
from
- Inspect annually
- Test & tag every 2 years
to
- Inspected and tested or replaced every 2 years
- Change: The "Inspection and Testing Intervals" specified in Table 8-2 for the operating conditions, "Harsh Internal or External Environments, corrosives, glutinous or reactive fluids, otherwise damaging environments,"
from
- Inspect annually
- Test & tag every 2 years
to
- Inspected and tested or replaced every year
- Change: The note in Table 8-1 from "Satisfactory test results do not alone validate the proper application of a PRV. Also consider such things as MAWP, flow capacity, correct placement, and ramifications of valve leakage in PRV applications" to "Satisfactory test results do not alone validate the proper application of a PRV. Also consider such things as the relationship between the set pressure of the PRV and the MAWP of the system, flow capacity, correct placement, and ramifications of valve leakage in PRV applications."

Add: The following notes to Table 8-1:
- Replace or repair in accordance with factory specifications, any damaged or defective valve.
- Exercising the PRV could result in valve leakage. Do not cap, plug or restrict the flow on the outlet of a leaking PRV.
Change: The existing note in Table 8-1 from "The Facilities organization meets the need for "test and tag" by periodically exercising and inspecting pressure relief valves according to Maintenance Job Plans. This type of valve does not need to be tagged" to "The Facilities organization meets the need for testing by periodically exercising and inspecting pressure relief valves according to Maintenance Job Plans."

Under topic, "Maintenance of Components," under subtopic "Other Components," and under "Guidance":

Add: The following guidance:

When determining the need to service pressure vessels and components, the Pressure Installer (owning manager) should consider utilizing the Sandia JIT procurement system as a means to obtain guidance information and to purchase quality components from known and reputable manufacturers. Sandia Pressure Safety SMEs can also serve as a point of contact for information on pressure, vacuum and cryogenic systems.
Pressure Installers should consider servicing and maintaining the following types of components specific to the pressure system:

Bolts and Other Closure Hardware
- Use the manufacturer’s recommendations to specify the correct torquing procedure, bolt lubrication, and torque limits for the specific sealing application.
Note: Repeated high torquing, fatigue, and corrosive environments can cause premature failure. Consult Appendix F to obtain assistance for hardware inspections involving Non-Destructive Evaluation (NDE).
Flexible Hoses, Fittings, and Tiedowns
- Replace these items if they appear damaged or excessively worn, or if leakage is detected in the hose or fittings.
Note: Hoses, fittings, and tiedowns need frequent inspections.
Valves and Fittings
- Replace valves and fittings periodically, depending on their condition and the corrosive effects of the pressurizing fluid.
Seals
- Periodically check O-rings, gaskets, and packings for leaks. Replace as needed.
Filters
- Establish a regular schedule to clean and change filter elements.
Pressure Regulators

Regulators are pressure limiting devices and do not provide overpressure protection. When used in conjunction with properly sized pressure relief valves and, if applicable, flow restriction, pressure regulators may continue to be used indefinitely. Depending upon the application and the consequences of regulator failure, a preventative maintenance schedule may be appropriate.
Verify that the pressure regulator in service is appropriate for the current application. Do not change the CGA connection to place the regulator into a different gas service. Damaged or leaking CGA connections can be replaced for the current service.
Damaged or improperly operating regulators generally are replaced, rather than repaired; however, if the regulator is deemed repairable, the Pressure Installer should contact the manufacturer to perform the repair; or follow manufacturer specifications to perform onsite repair.

Change: The section title from "Maintaining Pressure Vessels" to "Maintenance of Pressure Vessels."
Under topic, "Maintenance of Pressure Vessels":

Delete: The heading "Internal Corrosive Conditions."

Under topic, "Maintenance of Pressure Vessels," under subtopic "Guidance":

Change: The first sentence from "Members of the Workforce should periodically" to "The Pressure Installers (owning manager) should periodically:"

Under topic, "Special Servicing Risks":

*Delete: The caution, "Special care is needed in some situations to safeguard against certain risks when servicing pressure vessels and components."
*Change: The subtopic from "Requirements" to "Guidance."
*Delete: The note, "Obtain prior approval for special cases from the appropriate ES&H organization."
*Change: The requirements to guidance, as follows:

from

Members of the Workforce shall consider the following special cautions when servicing pressure vessels and components:

Location of relief devices. Do not isolate the relieving device from the pressure system it is protecting.
Repair of pressurized systems. Do not repair a system when it is pressurized.
Oxygen systems. Assure that oil and grease do not get into valves, fittings, and pipes of oxygen gas systems.
Compressors. Obtain guidance from the Mechanical & Structural Engineering Department (10862) in preventing fires and explosions in compressors.

The Pressure Installer (owning manager) should consider the following special cautions when servicing pressure vessels and components:

Do not isolate the relieving device from the pressure system it is protecting.
Do not repair a system when it is pressurized.
Assure that oil and grease do not get into valves, fittings, and pipes of oxygen gas systems.
Obtain guidance from the Facilities Mechanical Engineering and Controls Department in preventing fires and explosions in compressors.

Administrative Changes Only
September 5, 2007

Chapter 6, "Testing and Evaluating Pressure Systems"

This appendix was revised to:

Under topic, "SNL Pressure Safety Committee Roster":

Add: The following Pressure Safety Committee representatives for the committee function "Microsystems and Engineering Sciences Applications":

K. C. Baucom
R. V. Jones
T. P. Frock

Add: S. B. Van Deusen as a Division 1000 representative.
Delete: M. D. Oblin as a Division 2000 representative.
Delete: Throughout the table the term "Alternate."

August 29, 2007

Chapter 9, "Documenting the Operational Safety of Pressure Systems"

Note: (*) asterisk denotes substantive change.

This chapter was revised to:

Under topic, �Data Package�:

*Change: The requirement from �Members of the Workforce who prepare Data Packages shall include the following content:� to �Members of the Workforce who prepare Data Packages should include the following content:,� and change all subordinate requirements to guidance.
*Change: The requirement from �Managers shall not require that a Data Package be created for the following:� to �Managers should not require that a Data Package be created for the following:,� and change all subordinate requirements to guidance.

Administrative Changes Only
May 17, 2007

This chapter was revised to:

Under topic, "Periodic Reevaluations of Pressure Systems," under subtopic "Manager Activities," and under "Guidance":

Change: The last sentence under the topic "Inspection" from "This could be as often as daily, prior to use, or as part of the annual audit, depending on the type of component or system and the hazards involved" to "This could be as often as daily, prior to use, or as part of the Periodic Evaluation, depending on the type of component or system and the hazards involved."

Under topic, "When to Reevaluate Pressure Systems," and under "Guidance":

Delete: The first sentence after the topic "All other Systems," which states "Line Pressure Advisors should consider all pressure systems for a formal re-evaluation as part of the annual Audit," and move up the next sentence to take its place.

Administrative Changes Only
April 19, 2007

Appendix H, "Suppliers of Quality Pressure Hardware"

This appendix was revised to:

Under topic, "Where to Obtain Catalogs and Information":

Remove: The invalid department number "9615" associated with the "Information Desk at the Technical Library."
Change: The link from "Industrial Hygiene and Safety Engineering Programs Department" to "Pressure Safety – Resources."

Appendix J, "Pressure-Relief Valve Test Procedures and Policies"

This appendix was revised to:

Replace: The invalid link, "Materials Mechanics Engineering Department (9123)," found throughout Appendix J, with the link " Onsite Calibration & Maintenance Department (2541-1)."
Under topic, "Designated PRV Testing Stations at SNL," and under subtopic "New PRVs":

Delete: The following Note: "Pressure relief valves are Category A devices."

Administrative Changes Only
April 2, 2007

This chapter was revised to:

In Form SF 2001-PAD (Pressure Advisor Designation Form), which can be accessed via a hyperlink under topic "Organization of Sandia’s Pressure Safety Program," under the subtopic "Pressure Advisors," and under the heading "Qualifications for PAs include":

Change: "to: Safety Department 10322, MS 1094" to "to: S. Page, Safety Engineering (10322), New Mexico operations, MS 1093."
Delete: The following: "Copy to:

10322 S. Page (Safety Engineering, New Mexico operations)
8517 D. A. Wright (Health and Safety, California operations) "

In Form SF 2001-PAQ (Pressure Advisor Qualification Form), which can be accessed via a hyperlink under topic "Organization of Sandia’s Pressure Safety Program," under the subtopic "Pressure Advisors," under the heading "Qualifications for PAs include," and also via a hyperlink under the topic "Pressure Safety Training Program," under the subtopic "Training Requirements":

Change: "(optional)" to "(as applicable)," in the listing of course PRS115, Cryogen Safety.
Change: "(or equivalent)" to "(required)," in the listing of course PRS150, Pressure Safety Orientation.
Clarify: That course PRS160, Pressure Advisor Training, is required.
Change: "(or equivalent)" to "(required)," in the listing of course PRS250, Advanced Pressure Safety.
Clarify: That there is no equivalent course for Commercial Hardware Training by removing "or equivalent."

In Form SF 2001-PQF (Pressure System Operator Qualification Form), which can be accessed via a hyperlink under the topic "Pressure Safety Training Program," under the subtopic "Training Requirements":

Change: "(optional)" to "(as applicable)," in the listing of course PRS115, Cryogen Safety.
Change: "(or equivalent)" to "(required)," in the listing of course PRS150, Pressure Safety Orientation.

In Form SF 2001-PIQ (Pressure Installer Qualification Form), which can be accessed via a hyperlink under the topic "Pressure Safety Training Program," under the subtopic "Training Requirements":

Change: "(optional)" to "(as applicable)," in the listing of course PRS115, Cryogen Safety.
Change: "(or equivalent)" to "(required)," in the listing of course PRS150, Pressure Safety Orientation.
Change: "(or equivalent)" to "(required)," in the listing of course PRS250, Advanced Pressure Safety.

This appendix was revised to:

Under topic, "SNL Pressure Safety Committee Roster":

Change: The committee function for A. J. Lopez from "Facilities Operations Representative" to "Facilities Operations Representative, Division 1000."
Change: The committee function for M. A. Cooper from "Division 1000 Representative" to "Division 2000 Representative Alternate."
Change: The committee function for C. E. Yagow from "Division 2000 Representative" to "Design Drawing Representative."
Change: The committee function for D. Vortolomei from "Division 2000 Representative" to "Design Drawing Representative."
Change: The committee function for W. R. Olson from "Division 2000 Representative" to "Division 2000 Representative Alternate."
Change: The committee function for W. L. Teague from "Division 6000 Representative" to "Division 5000 Representative Alternate."
Change: The committee function for W. L. King from "Division 6000 Representative" to "Division 6000 Representative Alternate."
Replace: D. A. Wright with P. G. Fugarri as the Division 8000 Representative.
Change: The committee function for J. A. Orsbun from "Division 8000 Representative" to "Division 8000 Representative Alternate."
Add: L. R. Shapanek as the Division 5000 Representative.
Change: The order in this list so that the "Division Representative Alternate" appears directly under the associated "Division Representative."

Under topic, "Pressure Safety Assistance Index – New Mexico Personnel":

Change: The subject order by moving and making "Brittle Materials/Mechanical Properties/Failure Analysis," "Materials Properties," and "Plastic Materials/Mechanical Properties," a subset of "Materials."
Replace: J. B. Kelly with G. W. Wellman as the contact responsible for the subject "Materials Properties."
Delete: The subject " Design Information Center," and associated contact name "R. L. Josephson."
Delete: The name and phone number, "Scientific Sales Associates 266-7861," associated with the subject "Vacuum Hardware (JIT Contact)."

Under topic, "Pressure Safety Assistance Index – California Personnel":

Replace: J. D. Larsen with J. A. Orsbun as the contact responsible for the subject "Safety Engineering."
Delete: D. A. Wright as the contact responsible for the subject " SNL, CA: Chairmen," and replace it with the word "Vacant."

Administrative Changes Only
November 20, 2006

This appendix was revised to:

Under topic, "Pressure Safety Assistance Index – New Mexico Personnel":

Add: The subject "Plastic Materials/ Mechanical Properties," and list "F.R Gruner" as the contact.

October 16, 2006

Note: (*) indicates a substantive change

This section has been revised to:

Under "New Mexico Personnel":

*Change: Contact information for "Facilities Engineering" from "M.J. Quinlan" to "A.J. Lopez."
*Add: "Fire Marshall" and the contact, "G. Earhart."
*Change: Contact information for "Pressure Relief Valve Testing" from "N.D. Roberts" to "K.L. Robbins"

September 29, 2006

Note: (*) asterisk denotes substantive change

This chapter was revised to:

Under topic, "Pressure Safety Program Support Organizations":

Change: The first bullet listed under the subtopic "Pressure Safety Committee" from "A Chairman who is appointed by the Manager, Industrial Hygiene & Safety Programs Department (10327)" to " A Chairman who is appointed by the Director, Integrated Safety and Security Center."
Replace: The subtopic "Industrial Hygiene Program Department (10327)" with "Safety Engineering Department (10322)."
Change: The first sentence under the subtopic "Safety Engineering Department (10322)" from "Department 10327 pressure safety personnel are responsible for" to "Department 10322 pressure safety personnel are responsible for."
Change: The first bullet listed under the subtopic "Hardware Procurement Support Organizations" from "Industrial Hygiene Program Department (10327) and Health & Safety Department (8517)" to "Safety Engineering Department (10322) and Health & Safety Department (8517)."

Under topic "Pressure Safety Training Program":

*Add: The following requirement under the subtopic "Training Requirements":

Managers shall verify that individuals responsible for developing and conducting job-specific pressure systems training and pressure safety training have the appropriate education, training, and skills to discharge this responsibility. See CPR400.1.1/MN471001, ES&H Manual, Chapter 11, "ES&H Training" for instructor qualification requirements.

June 6, 2006

Chapter 3, "Pressure Safety Practices"

Note: (*) asterisk denotes substantive change

This chapter was revised to:

Under topic, "Elements of the Pressure Safety Program," and under the subtopic "Individual Knowledge":

Change: "employees" to "MOWs" in three places.

Under topic, "Elements of the Pressure Safety Program," and under the subtopic "Documentation and Accountability," in the fourth bullet:

Change: "audits" to "assessments".

Under topic, "Organization of Sandia’s Pressure Safety Program," and under the subtopic "Pressure Advisors," in the fifth bullet:

Change: "serve" to "serving".

Under topic, "Organization of Sandia’s Pressure Safety Program," under the subtopic "Pressure Advisors," and under the heading "Qualifications for PAs include" in Item 1:

*Change: "Center Director" to "Senior Manager".

Under topic, "Pressure Safety Program Support Organizations," under subtopic "Pressure Safety Committee," in the third bullet:

*Delete: "nominated by the vice president".

Under topic "Pressure Safety Program Support Organizations":

Change: the subtopic "Industrial Hygiene & Safety Programs Department," to "Industrial Hygiene Program Department".

Under topic "Pressure Safety Program Support Organizations," under subtopic "Hardware Procurement Support Organizations," in the third bullet:

Change: "Purchasing organizations (e.g. Procurement Operations Department (10258) and Logistics & Procurement Department (8523))" to "Buyers supporting Center purchasing operations".

In Form SF 2001-PAD (Pressure Advisor Designation Form), which can be accessed via a hyperlink under topic "Organization of Sandia’s Pressure Safety Program," under the subtopic "Pressure Advisors," and under the heading "Qualifications for PAs include" in Item 1:

Change: "Department 3122" to " Safety Department 10322" after "to".
Change: "MS 1037" to "MS 1094" after "to".
*Change: "Director" to "Senior Manager" following the "from" signature line.
Change: "3122" to "10322" after "Copy to" in "subject" area.

Administrative Changes Only
April 27, 2006

Chapter 1, "Introduction"

This document was administratively revised to:

Under the topic "Objectives":

Under the second bullet, in the second sub-bullet:
- Add: "Pressure Safety Committee" before "PSC" and place parentheses around PSC.
Under the third bullet, in the fifth sub-bullet:
- Add: "are established (or in place)" after "Measures" and before "to protect".

This document was administratively revised to:

Under the topic "Selecting the Factor of Safety," sub-topic "Requirements":

In the fourth bullet:

Add: "is required" after "(See Ch. 9)" and before "for all systems".

Administrative Changes Only
April 14, 2006

Chapter 5, "Selecting and Assembling Pressure Hardware"

This appendix was revised to:

Replace: B. R. Rogillo with N.D. Roberts as the Pressure Testing Representative for the Sandia National Laboratories Pressure Safety Committee.
Delete: The Division 10000 representation (K. K. Miles) from the Sandia National Laboratories Pressure Safety Committee.
Delete: K.K. Miles as a contact for National Codes from the Pressure Safety Assistance Index – New Mexico Personnel.
Replace: B. R. Rogillo with N.D. Roberts as the Pressure Testing contact on the Pressure Safety Assistance Index – New Mexico Personnel.
Replace: B. R. Rogillo with N.D. Roberts as the Pressure Relief Valve Testing contact on the Pressure Safety Assistance Index – New Mexico Personnel.
Replace: P.D. Walkington with S.J. Younghouse as the Ultrasonics contact on the Pressure Safety Assistance Index – New Mexico Personnel.
Replace: K.K. Miles with R.D. Shrouf as the Pressure Safety Library contact on the Pressure Safety Assistance Index – New Mexico Personnel.
Replace: P. Salgado and J.A. Price with J.J. Coots and J.A. Jojola as the Purchasing (JIT Contracts) contacts on the Pressure Safety Assistance Index – New Mexico Personnel.
Delete: K.K. Miles as a contact for Safety Engineering from the Pressure Safety Assistance Index – New Mexico Personnel.

Administrative Changes Only
June 29, 2005

Pressure Safety Manual

This document was administratively revised to:

Change: Executive Policy Sponsor from Les Shephard to Frank Figueroa

May 19, 2005

This chapter was revised to:

Add: The topic "Suppliers and their Products," after "Compressed Air Systems."
Add: The topics, "Manifolds" and "Regulators," to the beginning of the document.
Change: Throughout the document, the spelling of "gage(s)" to "gauge(s)."
Change: The topics, "Manifolds" and "Regulators," completely.
Delete: The topic "Suppliers and their Products," from the beginning of the document.
Delete: The topics, "Manifolds" and "Regulators," from after the topic, "Common Compressed Gases."
Under the topic, "Gas Cylinders":

Change: Under the subtopic "Storage," the requirement that "cylinders stored in the open must be shaded" to "should be shaded."

Under the topic, "Suppliers and their Products":

Add: Information on suspect/counterfeit items, including a link to the SNL Suspect/Counterfeit Items Program under the Requirements for the sub-topic, "Non-JIT Purchases."

ES&H Manual Glossary:

Add: Additional wording to "Pressure system" definition.

Appendix J, "Pressure Relief Valve Test Procedures and Policies"

This appendix was revised to:

Change: Defined the acronym PRV (pressure-relief valve) at first use, then used the acronym PRV consistently throughout document.
Under the topic, "Pressure Indicators," under "Hardware for PRV Test Stations":

Delete: The requirement for all pressure indicators to be calibrated by a source approved by SNL’s Primary Standards Laboratory.

Under the topic, "Tagging," under "Data Recording and Record-Keeping":

Delete: Note giving minimum tag requirements.

Under the topic, "Inspection and Replacement Intervals," under "Special Cases – Nonroutine Testing Procedures":

Add: The words, "in the Pressure Data Package" to the requirement that the user will state inspection and replacement information

Administrative Changes Only
June 2, 2004

Introduction

This section was revised to:

Add. The topic, �Applicability.�

Administrative Changes Only
June 2, 2004

Pressure Safety Manual

This manual was revised to:

Change. The title of Attachment A and Form SF 2001-CPA from, �Pressure System Checklist for Pressure Advisors� to, �Pressure System Checklist.�
Change. References throughout the manual from the Solid Mechanics Engineering Department to Materials Mechanics Engineering Department.

November 10, 2003

General Changes to Chapters 2, 5, 8, and 9:

Change:

The function title from "Pressure System Operator(s)" to "Pressure Operator(s)." (Also on SF 201-PQF, Pressure Operator Qualification Form.)
Update organization numbers and names.

Chapter 2, "The Pressure Safety Program"

Add:

In the topic, "Organization of Sandia's Pressure Safety Program, Managers," a new requirement for managers to be responsible for ensuring that "each identified pressure system is represented by a responsible individual (e.g., Pressure Advisor, Pressure Installer or Pressure Operator)."

Change:

In the topic, "Organization of Sandia's Pressure Safety Program," emphasize that use of the qualification forms (Pressure Advisor, Pressure Installer, and Pressure Operator) is optional by noting the forms in "notes."
In the topic, "Organization of Sandia's Pressure Safety Program, Pressure Advisors," state that responsibilities are "based on the types of system applications they are assigned to oversee."
In the topic, "Organization of Sandia's Pressure Safety Program, Pressure Advisors," change statement numbers to bullets.
In the topic, "Organization of Sandia's Pressure Safety Program, Pressure Advisors," clarify that the second group of numbered statements are "qualifications for PAs."
In the topic, "Organization of Sandia's Pressure Safety Program, Pressure Advisors," clarify the wording of the qualifications.
In the topic, "Organization of Sandia's Pressure Safety Program, Pressure Operators," that designation is based on the needs of the job task and a Job Task Analysis form is no longer needed.

Delete:

In the topic, "Organization of Sandia's Pressure Safety Program, Managers," Statement 1, "the PA is cognizant of, and has a list of, all pressure systems in the assigned area of responsibility."
In the topic, "Organization of Sandia's Pressure Safety Program, Pressure Advisors, Statement 2" the entire statement, "maintaining an up-to-date list of the type and location of all pressure systems in the PA's area of responsibility. The PA is required to audit these systems annually, together with the manager, to assure the proper adherence to the PSM, guard against hazardous installations, and update the pressure system list. (See SF 2001-CPA, audit checklist [Word file/Acrobat file].)"
In the topic, "Organization of Sandia's Pressure Safety Program, Pressure Advisors," in the statement previously numbered 3, the responsibility to "enter initials in the 'special approvals' box of Purchase Requisitions for pressure hardware."
In the topic, "Pressure Safety Training Program, Training Requirements," the footnotes that include a reference to the deleted course PRS102 and to events whose implementation dates have passed.

Chapter 5, "Selecting and Assembling Pressure Hardware"

Add:

To the topic, "Suppliers and Their Products," a paragraph, "Non-JIT Purchases," that requires Pressure Installers to ensure that that non-JIT purchases for vacuum and pressure hardware meet the requirements of Chapter 4 and to be aware of the information in CPR500.2.1, Quality Significant Procurement.

Change:

In the topic, "Suppliers and Their Products," the content of the guidance in paragraph, "Just-In-Time Procurement."

Delete:

From the topic, "Suppliers and Their Products," paragraphs, "Manufacturer's Claims," "Levels of Quality Control," "Quality Requirements," and "Other Hardware."

Chapter 8, "Servicing Pressure Vessels and Components"

Change:

In the topic, "Maintenance of Components, Guidance" that Table 8-2 is a "Summary of Relief Valves by System Use, Inspection and Recommended Testing Intervals, and Responsible Organizations," to agree with the content.

Chapter 9, "Documenting the Operational Safety of Pressure Systems"

Change:

In the topic, "Data Package, Requirements" move the conditions under which managers shall not require that a Data Package be created to the end of the topic.
In the topic, "Pressure Safety Analysis Report (PSAR)," expand the content of the introductory "note."

Delete:

From the topic, "Data Package, Requirements" the requirement that the Data Package managers approve "reflects the categories of components used for R&D, laboratory-type systems that undergo many modifications and changes."
From the topic, "Pressure Safety Analysis Report (PSAR), Guidance " the "note" and the last bullet.

Administrative Changes Only
May 30, 2003

Chapter 2, "The Pressure Safety Program" was revised to:

Add:

Under the topic, "Pressure Installer," a note that the Pressure Installers act as the lead point of contact for issues related to the pressure system.

Administrative Changes Only
May 12, 2003

Chapter 2, "The Pressure Safety Program" was revised to:

Add:

Under the topic, "Training," a note that personnel who have completed PRS102 are strongly encouraged to take PRS150.

Delete:

Under the topic, "Training," the note that addresses Members of the Workforce who took PRS102 prior to 4/01/1999 and the need to complete PRS115.

September 5, 2002

This document was reformatted to clearly distinguish �requirements� from �guidance� and to indicate who is responsible for what activities. In addition to the reformat, the following substantive changes were made.

Chapter 3, "Pressure Safety Practices"

This chapter was revised to:

Add:

In the Section, �Organization of SNL's Pressure Safety Program,� add course PRS250, �Advanced Pressure Safety� for pressure advisors and pressure installers.
In the Section � Pressure Safety Training Program, Training Requirements,� add course PRS250, �Advanced Pressure Safety� to the appropriate �Role or Work Activity.�
To the footnotes for the training information table in the Section � Pressure Safety Training Program, Training Requirements,� the requirement for pressure installers and pressure advisors to complete PRS250 by September 1, 2003.

Change:

In the Section, �Organization of SNL's Pressure Safety Program,� replace course PRS102 with course PRS150 (title remains �Basic Pressure Safety�) for pressure advisor, pressure installer, and pressure system operators.
In the Section �Organization of SNL�s Pressure Safety Program, Pressure Installers,� change �Have one year of experience with pressure systems� to �Qualification to be determined by the line manager with concurrence of the Pressure Safety Program owner.�
In the Section � Pressure Safety Training Program, Training Requirements,� the replace all occurrences of course PRS102 with PRS150.
In the Section �Pressure Safety Training Program, Training Requirements,� move the table from the Section �Pressure System Personnel,� and delete all columns except �Role or Work Activity� and �Required� training

Delete:

From the Section �Organization of Sandia's Pressure Safety Program, Introduction,� the section on �Pressure Safety Personnel,� and move the table from this section the Section �Pressure Safety Training Program, Training Requirements.�
In the Section �Pressure Safety Training Program, Training Requirements,� all course descriptions and link from the table to the TEDS course descriptions.

This chapter was revised to:

Change:

In Section �Selecting the Factor of Safety, Requirements,� lower the minimum safety factor from 4.0 to 3.5.
Following the Section �Designing and Selecting Pressure Vessels,� incorporate the following topics from the deleted Chapter 6, �Considerations for Secondary Containment and Protective Shields�:
- Types of Protective Measures
- When To Use Shields
- Examples of When to Use Shields
- Design Consideration

Chapter 4, "Procuring Pressure Vessels and Special System Components"

In Section �Standard Checklist, Requirements,� in 2.0, change the factor of safety from 4.0 to 3.5.

Chapter 5, "Selecting and Assembling Pressure Hardware"

In Section �Design Criterion, Requirements,� in �Caution,� change the safety factor from 4.0 to 3.5.

Chapter 6 (previous), "Considerations for Secondary Containment and Protective Shields"

This chapter was deleted and information was incorporated into Chapter 3, �Pressure Safety Practices.�

Chapter 6 (formerly Chapter 7), "Testing and Evaluating Pressure Systems"

In Section �Test Pressures, Requirements,� change the factor of safety from 4.0 to 3.5.

Chapter 9 (formerly Chapter 10), "Documenting the Operational Safety of Pressure Systems"

In Section �Pressure Safety Analysis Report (PSAR), Requirements,� change the factor of safety from 4.0 to 3.5.

Glossary

Add the following terms to the Pressure Safety Manual, Glossary:

Capacity
Pressure system personnel
Rupture disc
Vacuum
Vacuum system personnel

Change:

Moved the following definitions from Appendix J to the Pressure Safety Manual, Glossary:

Relief valve
Safety relief valve
Safety valve
Set pressure

Administrative Changes Only
October 31, 2001

Appendix F - "Pressure Safety Assistance Index"

Appendix F was revised to:

Update:

The SNL Pressure Safety Committee Roster.

Administrative Changes Only
August 7, 2001

Appendix F - "Pressure Safety Assistance Index"

Appendix F was revised to:

Update:
- The list of California Safety Personnel contacts and to link each contact name.

Administrative Changes Only
July 9, 2001

Appendix F - "Pressure Safety Assistance Index"

Appendix F was revised to:

Update:
- The list of pressure safety assistance contacts and to make each contact name "linkable."

Administrative Changes Only
December 6, 1999

Appendix F - "Pressure Safety Assistance Index"

Appendix F was revised to:

Update:
- The list of pressure safety assistance contacts and to make each contact name "linkable."

Administrative Changes Only
April 28, 1999

Appendix F - "Pressure Safety Assistance Index"

Appendix F was revised to:

Update:
- The list of pressure safety assistance contacts.

April 13, 1999

Chapter 5, "Selecting and Assembling Pressure Hardware"

This chapter has been revised to:

Add:
- The new course PRS115, Cryogen Safety

This chapter has been revised to:

Add:
- The new course PRS115, Cryogen Safety.
- A pointer to the new document GN470100, Safe Handling of Cryogenic Fluids.

November 2, 1998

Chapter 5, "Selecting and Assembling Pressure Hardware"

This chapter has been changed to:

Add:
- "Markings" with information about the JIT gas cylinder supplier applying a bar code that will meet the requirements of the SNL Chemical Inventory System to each gas cylinder and SNL personnel actions with respect to the barcode.
Update:
- "Safe Handling" to replace the last three bullets with two bullets that clarify what is to be done with empty cylinders and the use of barcodes.

Chapter 9, "Servicing Pressure Vessels and Components"

This chapter has been changed to:

Update:
- "Building Pressure Systems" to delete the use of a distinctive yellow tag for identifying facilities inspected systems and include a more comprehensive list of compressed air systems and cryogenic liquid or gaseous systems.
- "Maintenance and Inspection" to expand the list of facilities organization responsibilities to include designing, modifying, inspecting, and maintaining cryogenic systems.

September 16, 1997