1149 0 obj <>stream A clearly identified emergency shut-off switch with a tamper-resistant cover shall be located outside and adjacent to the designated principal machinery room door. SECTION 4 Normative References 4.1 Reference Standards 4.1.1 American Society of Mechanical Engineers (ASME), Editions as shown below: 4.1.1.1 ASME Section VIII, Division 1, 2013, ASME Boiler and Pressure Vessel Code, Pressure Vessels, (S-VIII, D-1, 2013, ASME B&PVC). IIAR 4-2020 Installation of Closed-Circuit Ammonia Refrigeration Systems and IIAR 8-2020 Decommissioning of Closed-Circuit Ammonia Refrigeration Systems have been released by the IIAR and are now available for purchase on their website.IIAR 8 didn’t change much, but this was a very significant change to the existing IIAR 4 standard. Code for Ammonia Refrigeration Systems: ANSI/IIAR 2-2014, ASME B31.5-2016 Code for bioprocess piping: ASME BPE-2016 Qualification of welding procedures, welders and welding operators: ASME Section IX- 2017 . Enter ANSI/IIAR2… Since 1974, the IIAR has been publishing a version of “ANSI/IIAR2 – Standard for Safe Design of Closed-Circuit Ammonia Refrigeration Systems.” Since then, many jurisdictions have adopted a version of this standard as code. The requirement for two (2) eyewash/safety shower units (inside and outside) represents a change compared to ANSI/IIAR 2-2008 Addendum B §13.1.6.1 which required that “an eyewash and body shower unit shall be located external to the machinery room … Marking Services Canada (MSC) understands the need for proper marking of piping and equipment in food and beverage facilities. Not an informative reference.See Section 14, “Normative References.” 3. IIAR will use the American National Standards Institute (ANSI) procedures to develop evidence of consensus among affected parties. h�b```e``�d`a`g�g@ ~f�(G A with a corresponding section number preceded by “A”. 2. of the emergency control system. About Us. 20192014. Based on my review, there’s not too much going on in the new edition: Inclusion of absorption systems; Water % allowed in NH3 became more reasonable Durable pipe markers and component labels provide long-term protection to workers and plant infrastructure. ANSI/IIAR 9-2020  provides the minimum safety requirements for existing closed-circuit ammonia refrigeration systems as well as provides a method to determine if existing stationary closed-circuit refrigeration systems using ammonia as a refrigerant comply with minimum system safety requirements. IIAR will use the American National Standards Institute (ANSI) procedures to develop evidence of consensus among affected parties. Comply with IIAR2, IIAR3 and IIAR5 Comply with IMC - 2012 Comply with IIAR2, ASHRAE 15, IFC-2012 Alarm signal to monitored location 25 ppm Yes “approved location” Machine Room De-energize compressors, pumps, NC valves 40,000 PPM or upper … 0 ANSI/IIAR 2-2014 •Standard for Safe Design of Closed-Circuit Ammonia Refrigeration Systems •Partial purpose of the update was to compare to ASHRAE Standard 15, NFPA code, Uniform Mechanical Code, International Mechanical Code, and International Fire Code •Part 5 discusses Chapters 15 to 17 and the Appendices www.RMPCorp.com DEFINITIONS ANSI/IIAR 2-2014) The standard provides the minimum requirements for the design of safe anhydrous ammonia refrigeration systems. 2014 IIAR Inrial Rerierain nerence hiiin ea ipen h ahille T Normative appendices of ANSI/ASHRAE 15 and ANSI/IIAR 2 include the requirement that the built-up backpressure imposed on … Copyright © International Institute of Ammonia Refrigeration (IIAR). • IIAR 3 –2012: Ammonia Refrigeration Valves IIAR 4 –2015: Installation of Closed-Circuit Ammonia Refrigeration Systems • IIAR 5 –2013: Start-up and Commissioning of Closed-Circuit This change IIAR is the ANSI-accredited standards developer for BSR/IIAR 9-201x, and is … Low resolution. ANSI/ISEA Z358.1-2014 Revision of ANSI/ISEA Z358.1-2009 American National Standard for Emergency Eyewash and Shower Equipment Secretariat International Safety Equipment Association Approved January 8, 2015 American National Standards Institute, Inc. ANSI/IIAR 8-2020 specifies the minimum criteria for removing the ammonia charge in conjunction with the decommissioning of closed-circuit ammonia refrigeration systems. The termination of the discharge shall be directed upward and arranged to avoid spraying ammonia on persons in the vicinity. (ANSI/IIAR) 2-2014, Sections 6.3.4, and American Society of Heating, Air-conditioning Engineers (ANSI/ASHRAE) 15-2013, Section 8.11.8, which states that access to a machinery room shall be restricted to authorized personnel and that doors shall be clearly marked, or permanent signs shall be posted at each entrance to indicate this restriction. In 2013, the first issue of IIAR 7 replaced the operations information contained in IIAR Bulletin No. [ANSI/IIAR 2-2014 & 6.13.2] 2.1.7 In the event of a concentration above 150 ppm, general exhaust fans not used to provide emergency ventilation or temperature control must be shut off with refrigeration machinery. 29.pdf Order from: Susan Gillespie, (703) 525-4890, sgillespie@aami.org Send comments (with copy to psa@ansi.org) to: Same API (American Petroleum Institute) New Standard BSR/API RP 1173-201x, Pipeline Safety Management Systems (new standard) This recommended practice (RP) establishes a framework of pipeline safety ANSI/IIAR 2-2014 Standard Thu, Feb 18, 2016 12:57 CET. The new and improved IIAR 2-2014 is the definitive design safety standard of the ammonia refrigeration industry - IIAR 2 has undergone extensive revision since the 2008 (with Addendum B) edition was published on December 3, 2012. Relief Valve Termination • Atmospheric Discharge [ANSI/IIAR 2-2014 §15.5.1] Providing Solutions. The ANSI/IIAR 2-2014, Section 6.7.1. requires each machinery room to have access to a minimum of two eyewash/safety shower units, one located inside the machinery room and one located outside of the machinery room, each meeting the requirements in Section 6.7.3, and inspected at least weekly. American National Standards Institute/International Institute of Ammonia Refrigeration (ANSI/IIAR) 2-2014, Sections 6.3.4, and American Society of Heating, Air-conditioning Engineers (ANSI/ASHRAE) 15-2013, Section 8.11.8, which states that access to a machinery room shall be restricted to authorized personnel and that doors shall be clearly • Single vs. Dual [2016 CMC §1113.6, ANSI/IIAR 2-2014 §15.3.4-§15.3.5] o Pressure vessels between 3ft 3 and 10ft 3 are permitted to use a single relief valve o Pressure vessels greater than 10ft 3 must use a dual relief assembly Department of Labor and Industry License Examination Information Guide Chapter 1 - Piping Size. ANSI/ISEA Z358.1-2014 Page 2 adverse effects on the health and safety of humans. 20192014. • ANSI/IIAR 2-2014 §6.7.3 o Emergency eyewash/safety shower unit installations shall comply with ANSI/ISEA Z358.1. ANSI/IIAR Standard 8-2020 American National Standard for Decommissioning of Closed-Circuit Ammonia Refrigeration Systems. Ammonia Detection, OSHA PSM and ANSI IIAR 2-2014 Mark Carlyle of SCS Engineers’ Tracer Practice takes a look at the positive changes in ammonia detection for industrial refrigeration systems over the past 5 years and how the industry has embraced the changes for everyone’s benefit. IIAR has just announced the new release of standard 2. The new and improved IIAR 2-2014 is the definitive design safety standard of the ammonia refrigeration industry. It is titled ANSI/IIAR 2 – 2014 and it is now available. In addition to these codes, many insurance carriers impose their own requirements to mitigate the risk of loss of life and product in a facility. Download - Ammonia_Detection_OSHA_PSM_RETA_Breeze-Feb-2017.pdf (PDF, 647KB) Back . SCS Popular Blog. ANSI/IIAR 2-2014, Addendum A, American National Standard for Safe Design of Closed-Circuit Ammonia Refrigeration Systems The new and improved IIAR 2 is the definitive design safety standard of the ammonia refrigeration industry - IIAR 2 has undergone extensive revision since the 2008 (with Addendum B) edition was published on December 3, 2012. Non-Member Price:  $340.00 EN 378 8. There are numerous codes that may affect the system design, including ANSI/IIAR 2-2014, ASHRAE 15, NFPA-1, UMC, IFC, and IMC. Click here to view these changes in full In addition, based on the comprehensive nature of ANSI/IIAR 2-2014, the 2018 International Fire Code no longer references ASHRAE Standard 15 for ammonia systems, and the 2018 %%EOF 1123 0 obj <> endobj 110, Guidelines for Start-Up, Inspection, and Maintenance of Ammonia Mechanical Refrigerating Systems. section under the ANSI-accredited standards developer (ASD) that sponsors it and from whom a copy may be obtained. Simplifying Regulation. ANSI IIAR 2 - 2014, Addendum A, Standard for the Safe Design of Closed-Circuit Ammonia Refrigeration Systems. Promotes education, information and industry standards for the safe and proper use of ammonia as a refrigerant. endstream endobj 1124 0 obj <. ANSI/CGA G-2.1-2014 describes the effects of ammonia on the human body from specific concentrations in the following table: 1 To combat problems related to direct contact with anhydrous ammonia, it is recommended that employers provide ammonia installations with clean, running water for emergency use, or emergency eyewash units. ANSI/IIAR Section 6.10.2 and ANSI/ ASHRAE … The “tee” diffuser is listed in ANSI/IIAR 2-2014 A.15.5.1.5 and also included as an example of proper termination in the IIAR Ammonia Refrigeration Piping Handbook (Figure 6-3). [6.14.2] 2.1.8 In the event of power failure, a means of monitoring the ammonia release On December 3, 2015, the International Institute of Ammonia Refrigeration (IIAR) published the new ANSI/IIAR 2-2014: American National Standard for Safe Design of Closed-Circuit Ammonia Refrigeration Systems. Emergency eyewash/safety shower unit installations shall comply with ANSI/ISEA Z358.1. ANSI/IIAR 2-2014 has since been adopted as a reference standard by all U.S. model fire and mechanical codes. The design backpressure in the discharge piping at the outlet of pressure relief devices and fusible plugs, discharging through a single relief device to atmosphere, shall be limited by the allowable equivalent length of piping determined by Equation FOR AMMONIA IDENTIFICATION. Not an informative reference.See Section 14, “Normative References.” 4. A major focus of changes made to IIAR 2-2014 had been incorporating topics traditionally addressed in other codes and standards so that IIAR 2 can eventually serve as a single, comprehensive standard covering safe design of closed-circuit ammonia refrigeration systems. Founded in 1970, Star have been pioneering natural refrigeration and heating technology for the benefit of our customers, staff and environment alike. • IIAR 3 –2012: Ammonia Refrigeration Valves IIAR 4 –2015: Installation of Closed-Circuit Ammonia Refrigeration Systems • IIAR 5 –2013: Start-up and Commissioning of Closed-Circuit ANSI/IIAR 2-2014 §15.5.1.1.1. IIAR Member Price:  $100.00 [6.14.7.4]. Available in Spanish, IIAR 2-02014 prior to Addendum A Available in. What changes and additions will we expect with this new standard? ANSI IIAR 2 - 2014, Addendum A, Standard for the Safe Design of Closed-Circuit Ammonia Refrigeration Systems. Original resolution. h�bbd``b`�s�S�`�$X When IIAR 2 – 2008 with associated addendums were released we saw many suggested changes and additions. Simplifying Regulation. Provides is a tutorial and reference book that represents the collective efforts of the most knowledgeable specialists in the ammonia refrigeration industry. ASME B31.5 2013 5. The new and improved IIAR 2-2014 is the definitive design safety standard of the ammonia refrigeration industry. The switch shall provide “ON/AUTO” override capability for emergency ventilation. This standard replaces the 2008 edition of the standard. On December 3, 2015, the International Institute of Ammonia Refrigeration (IIAR) published the new ANSI/IIAR 2-2014: American National Standard for Safe Design of Closed-Circuit Ammonia Refrigeration Systems. Kirsten McNeilStaff Engineer 1110 North Glebe Road, Suite 250Arlington, VA 22201Phone: 703.312.4200Fax: 703.312.0065Email: kirsten_mcneil@iiar.orgWeb: http://www.iiar.org ANSI / IIAR 2-2014: 6.12 Emergency Control Switches 6.12.1 Emergency Stop Switch. 1 6. Providing Solutions. ANSI/IIAR 2-2014 with addendum A, American National Standard for Safe Design of Closed-Circuit Ammonia Refrigeration Systems. ANSI/IIAR Standard 9-2020 American National Standard for Minimum System Safety Requirements for Existing Closed-Circuit Ammonia Refrigeration Systems o Not less than 7.25 feet above roof/platform [ANSI/IIAR 2-2014 §15.5.1.4, §15.5.1.5] o Arranged to avoid spraying ammonia on persons in the vicinity [ANSI/IIAR 2-2014 §15.5.1.5] Providing Solutions. o��3L�T�>�Se���������W��pA�@\���� ��X P��2::�::��\&�0D&L�� �/@����e=��b� � [Section 3.7.3.2.1c) of ANSI/IIAR 2-1992] 4.3.4 If any heat exchanger or pressure vessel name plate is covered with insulation, the insulation should be removed to allow name plate inspection. We work with leading associations and companies to establish marking products and services to … In addition to these codes, many insurance carriers impose their own requirements to mitigate the risk of loss of life and product in a facility. @� ��U "�@�" �* F � $��a`bd�2���h����� �m& 110, Guidelines for Start-Up, Inspection, and Maintenance of Ammonia Mechanical Refrigerating Systems. ISO-5149 7. This addendum will correct mistakes and provide clarity to IIAR 2-2014 and will also add absorption refrigeration to the scope. AlexandriaArlington, VA: International Institute of Ammonia Refrigeration. o. information related to provisions in the standard. Star Technical Solutions advises ammonia refrigeration end-users to keep the new IIAR 2 Standard handy / ANSI/IIAR 2-2014 Standard; 2 of 2 . The new and improved IIAR 2-2014 is the definitive design safety standard of the ammonia refrigeration industry - IIAR 2 has undergone extensive revision since the 2008 (with Addendum B) edition was published on December 3, 2012. ANSI / IIAR 2-2014: 6.12 Emergency Control Switches 6.12.2 Emergency Ventilation Control Switch. ASME Sect V III-Div. November 24, 2015 October 20, 2016 Jeremy Williams News. Since 1974, the IIAR has been publishing a version of “ANSI/IIAR2 – Standard for Safe Design of Closed-Circuit Ammonia Refrigeration Systems.” Since then, many jurisdictions have adopted a version of this standard as code. IIAR Member Price: $75.00 In SHORT, here’s what you need to know as an end-user: ANSICGA2014-Requirements for the Storage and Handling of Anhydrous Ammonia (an American National Standard)-This standard is intended to apply to the design, con IIAR Member Price:  $200.00 ANSI’s role in the revision process is to establish and enforce standards of openness, balance, due process and harmonization with other American and International Standards. Non-Member Price:  $170.00 Sections of the standard The insulation should then be repaired and an insulation plug provided to cover the name plate area and A major focus of changes made to IIAR 2-2014 had been incorporating topics traditionally addressed in other codes and standards so that IIAR 2 can eventually serve as a single, comprehensive standard covering safe design of closed-circuit ammonia refrigeration systems. ANSI/IIAR 4-2020 has been written to serve as a standard for the installation of closed-circuit ammonia refrigeration systems and overpressure protection relief piping systems. IIAR is the ANSI-accredited standards developer for BSR/IIAR 2-202x, and is … 1-1, Introduction Recommended Method (Based on an economic analysis) Informative Appendix A helps to clarify the intention of the requirement and more specifically, what is meant by “directed upwards”. 74−2−1978. Introducing: ANSI/IIAR 7-2019 – Developing Operating Procedures for Closed-Circuit Ammonia Refrigeration Systems. A clearly identified control switch for emergency ventilation with a tamper-resistant cover shall be located outside the machinery room and adjacent to the designated principal machinery room door. AAR-1/ANSI-IIAR-2 2014 2. Standard 8-2015 Available in Spanish. [ANSI/IIAR 2-2014 & 16.1.4] 2.2 Power loss and Emergency Ventilation Failure 2.2.1 The events of power loss or ventilation failure must result in the sending of a signal to a monitored location. OSHA 19 Jan 2018 AAR ARCON 2018 Delhi 4 1.Use Boiler Quality plates for Receiver Fabrication -IS2002 Gr 2A or SA516/Gr.70 –SA517 Gr-60/70 plates &refer AAR-1 standard. Use of and reference to this document by private industry, government agencies and others is intended to be voluntary and not binding unless and until its use is mandated by authorities having jurisdic-tion. 0���J�8��p��Gf?�,�/��X0�0{�Co�����`.����H�a`��s� '�� Informative Appendix A was added to provide explanatory Comply with IIAR2, IIAR3 and IIAR5 Comply with IMC - 2012 Comply with IIAR2, ASHRAE 15, IFC-2012 Alarm signal to monitored location 25 ppm Yes “approved location” Machine Room De-energize Low resolution. The most recent revision, ANSI/IIAR 2-2008, Addendum B, received approval from ANSI on December 3, 2012. with associated explanatory information are marked as an asterisk “*” after the Comments in connection with a draft American National Standard must be submitted in writing to the ASD no later than the last day of the comment period specified herein. ANSI/IIAR 2-2014 A.15.5.1.5 . This is IIAR’s first comprehensive safety standard and was written specifically for adoption by code making bodies. X|��@A� ܟD:,C�v4:r�g���".g��`bx{a�E�� IIAR/ANSI Standards • IIAR 1 –2012: Definitions and Terminology Used in IIAR Standards • IIAR 2 –2014: Safe Design of Closed-Circuit Ammonia Refrigeration Systems. requiring the use of the operator’s hands. Orlando, Florida (PRWEB) February 18, 2016 The new American National Standard for the safe design of closed-circuit ammonia refrigeration systems, ANSI/IIAR 2-2014 sets the minimum requirements for industry compliance and adherence to American codes and regulations and is “significantly different to previous releases,” says Star Technical Solutions Director, David Blackhurst. Original resolution. AlexandriaArlington, VA: International Institute of Ammonia Refrigeration. This standard was first approved as an American National … plumbed: A term used to describe equipment that is connected to a continual source of potable water. In 2013, the first issue of IIAR 7 replaced the operations information contained in IIAR Bulletin No. The new and improved IIAR … ANSI/IIAR 4-2020 has been written to serve as a standard for the installation of closed-circuit ammonia refrigeration systems and overpressure protection relief piping systems. IIAR Ammonia Refrigeration Piping Handbook. section number, and the associated appendix information is located in Appendix IIAR International Institute of Ammonia Refrigeration 1001 N. Fairfax Street, Suite 503 Alexandria, VA 22314 Standard Referenced reference in code number Title section number IIAR-2—2014 Equipment, Design and Installation of Closed-Circuit Ammonia IIAR. ANSI/ASHRAE-15 2013 4. This … Medium resolution. • ANSI/IIAR 2-2014 §6.15.1 o Buildings and facilities with refrigeration systems shall be provided with placards accordance with NFPA 704 and the Mechanical Code. The IIAR has just released IIAR 2-2014 Addendum A: While there isn’t a whole lot that’s changed in the document (compared to IIAR 2-2014) quite a bit of it was re-numbered / re-organized. ANSI / IIAR 2-2014 ASHRAE 15-2013 NFPA 1 – 2015 UMC – 2015 IFC - 2012 IMC - 2012 General Comply with IIAR2, UMC and ASHRAE 15 Ammonia exception. It’s been coming for a while now and yesterday it became official: Introducing: ANSI/IIAR 7-2019 – Developing Operating Procedures for Closed-Circuit Ammonia Refrigeration Systems. Page 3 … ANSI/IIAR 2-2014 §15.5.1.5 . Membership, events, contact information, and news. As many of us were informed today, the new standard for safety in Industrial Ammonia systems, ANSI/IIAR 2-2014 is now available for purchase and use from the IIAR, the International Institute of Ammonia Refrigeration. 4.1.6 Each compressor should be fitted with suction stop valve(s), discharge stop valve(s) and a discharge check valve. ANSI/IIAR 2-2014 §6.7.3 Installation Standard. Ammonia Detection, OSHA PSM and ANSI IIAR 2-2014. About Us. This is IIAR’s first comprehensive safety standard and was written specifically for adoption by code making bodies. ANSI/IIAR Standard 4-2020 American National Standard for the Installation of Closed-Circuit Ammonia Refrigeration Systems ANSI/IIAR 2-2014 has since been adopted as a reference standard by all U.S. model fire and mechanical codes. There are numerous codes that may affect the system design, including ANSI/IIAR 2-2014, ASHRAE 15, NFPA-1, UMC, IFC, and IMC. This standard replaces the 2008 edition of the standard. 108134_IIAR_ANSI2AddB.indd 1 1/31/13 10:44 AM ANSI / IIAR 2-2014 ASHRAE 15-2013 NFPA 1 – 2015 UMC – 2015 IFC - 2012 IMC - 2012 General Comply with IIAR2, UMC and ASHRAE 15 Ammonia exception. IIAR is the ANSI-accredited standards developer for BSR/IIAR 2-2014, Addendum A, and is … Not an informative … ANSI/IIAR 2-2014 Standard Thu, Feb 18, 2016 12:57 CET. A revision of the standard, ANSI/IIAR 2−1984 was approved by ANSI in July 1985, as were subsequent revisions in December 1992, August 1999, June 2008, and August 2010. 1138 0 obj <>/Filter/FlateDecode/ID[]/Index[1123 27]/Info 1122 0 R/Length 80/Prev 286608/Root 1124 0 R/Size 1150/Type/XRef/W[1 2 1]>>stream ANSI’s role in the revision process is to establish and enforce standards of openness, balance, due process and harmonization with other American and International Standards. The IIAR may not have intended for this publication to be used in such a way, but it has happened whether they like it or not. ANSI / IIAR 2-2008 STANDARD . BSR/UL 1004-5-202x, Standard for Safety for Fire Pump Motors (revision of ANSI/UL 1004-5-2016) This recirculation proposal provides revisions to the UL 1004-5 proposals dated 2018-08-31 and 2019-02-22. personal wash: A supplementary device that supports plumbed and/or self-contained units, by delivering immediate flushing fluid to the eyes or body. ANSI’s role in the revision process is to establish and enforce standards of openness, balance, due process and harmonization with other American and International Standards. BIS-2825 3. Medium resolution. IIAR is the ANSI-accredited standards developer for BSR/IIAR 2-2014, Addendum A, and is responsible for the technical content of the standard. This simple design prevents rain and snow from entering the discharge pipe by the installation of a tee at the termination point which forces all ammonia to escape the pipe horizontally. Simplifying Regulation. Code for Ammonia Refrigeration Systems: ANSI/IIAR 2-2014, ASME B31.5-2016 Code for bioprocess piping: ASME BPE-2016 Qualification of welding procedures, welders and welding operators: ASME Section IX- 2017 . Star Refrigeration are the UK's largest independent industrial refrigeration engineering company. Send comments (with copy to psa@ansi.org) to: arose@nsf.org BSR/NSF 3-A 14159-2-201x (i8r1), Hygiene Requirements for the Design of Hand-Held Tools Used in Meat and Poultry Processing (revision of ANSI/NSF 3-A 14159-2-2014) This NSF/3-A/ANSI Standard applies to hand-held tools intended for use in the slaughter, processing, and packaging of meat and %PDF-1.5 %���� Definitions shall be in accordance with ANSI/IIAR 1-2012. Section 5.4.1.4 of ANSI/IIAR 2-1992. ANSI’s role in the revision process is to establish and enforce standards of openness, balance, due process and harmonization with other American and International Standards. ANSI/IIAR 2-2014 with addendum A, American National Standard for Safe Design of Closed-Circuit Ammonia Refrigeration Systems. IIAR. Mark Carlyle of SCS Engineers’ Tracer Practice takes a look at the positive changes in ammonia detection for industrial refrigeration systems over the past 5 years and how the industry has embraced the changes for everyone’s benefit. In addition, based on the comprehensive nature of ANSI/IIAR 2-2014, the 2018 International Fire Code no longer references ASHRAE Standard 15 for ammonia systems, and the 2018 Uniform Mechanical Code (UMC) is proposing to entirely drop requirements for ammonia refrigeration … 2. 1. ANSI/IIAR Standard 8-2020 American National Standard for Decommissioning of Closed-Circuit Ammonia Refrigeration Systems TABLE OF CONTENTS. ANSI/IIAR 2-2014, Sections 5.14.3 (Valves required for emergency shutdown of the system shall be clearly and uniquely identified at the valve itself and in the system schematic drawings); 15.3.7 (specifying that pressure relief devices shall have sufficient mass flow carrying capacity to limit the pressure rise in protected equipment to prevent Standard 4-2015 Available in Spanish. The IIAR makes no warranty or representation and assumes no liability or responsibility in connection with the use of any information contained in this document. IIAR/ANSI Standards • IIAR 1 –2012: Definitions and Terminology Used in IIAR Standards • IIAR 2 –2014: Safe Design of Closed-Circuit Ammonia Refrigeration Systems. IS 665-latest 9. endstream endobj startxref … [Section 3.3.2 (c) of ANSI/IIAR 2-1992 and Section 9.8 of ANSI/ASHRAE 15-1994] If the discharge of the pressure relief device is vented to atmosphere, it shall be piped in accordance with Sections 3.11.4.11 and 3.11.4.12 of ANSI/IIAR 2-1992. Non-Member Price:  $130.00 Relief Valve Termination. This standard represents a substantial number of changes over the previous version, 2008 Addendum B. IIAR 2 – 2014.