Guidelines for: Ammonia Machinery Room Ventilation . However, Process Safety Management is not the only service we offer. iiar bulletin 114 pdf References >> IIAR Bulletin No. Bulletin No. E-mail: [email protected] Established in 1987, the Ammonia Safety & Training Institute (ASTI) is a 501(c)(3) organization dedicated to making ammonia (NH3) the safest managed hazardous material in … IIAR 6 is a new standard. • IIAR Bulletin No. Objectives Gain a basic understanding of: RAGAGEPs unique to Ammonia Refrigeration Equipment-specific RAGAGEP requirements, Again, this is an overview discussion.There is usually an exception to most rulesSlide 2, RAGAGEP Organizations ASME ANSI /ASHRAE IIAR NB NIOSH RMASlide 3, ASME / NB BPVCDesign, fabrication, inspection, testing and certification of vessels operating above 15 psig (internal and/or external), B31.5Refrigeration Piping and Heat Transfer Components, NBIC NB-23In-service inspections, repairs, alteration, reratesSlide 4, ANSI / ASHRAE ANSI/ASHRAE 15Safety Standard for Refrigeration Systems, IIAR Process Safety Management Guidelines forAmmonia Refrigeration (update coming soon), Ammonia Refrigeration Piping Handbook Ammonia Data Book(chemical and technology PSI resource), IIAR ANSI/IIAR Standard 2Equipment, Design, and Installation of Closed-Circuit Ammonia Mechanical Refrigeration Systems, Bulletin No. 33919_cvr 9/21/06 9:09 AM Page 2 112Guidelines for Ammonia Machinery Room Design, Bulletin No. 109Minimum Safety Criteria for a Safe Ammonia Refrigeration System, Identifies mandatory safety requirements Provides safety inspection checkliststo be performed annually, References e e e ces ot other e codes a and d sta standards da ds asbasis for checklists, IIAR Bulletin No. Fax: 704.283.2180, ANSI/ IIAR Bulletin 110 (IIAR 6 Inspection and Maintenance), Recognized And Generally Accepted Good Engineering Practices (RAGAGEP), Risk Management Programs and Revalidations, Chemical Facility Anti-Terrorism Standard (CFATS) filing services with Department of Homeland Security, Process Hazard Analysis (PHA) and Revalidation, General Duty programs (Ammonia Refrigeration Management, or ARM, for facilities with under 10,000 lbs. 111Guidelines for Ammonia Machinery Room VentilationSlide 8, IIAR Bulletin No. 2017-11-03 -- Updated edition years for IIAR 1, IIAR 3, and IIAR Bulletin 114, updated status of IIAR 6 and IIAR 9, and clarified that IIAR Bulletins 107, 111, and 112 have been superseded by IIAR standards. II. CMC 1110.1 (1)Thesuctioninletofacompressor,compressorunit,or CMC 1110.1 2.3 12 24 38 49 74 99 123 149 185 222 248 297 343 369 428 4.5 6.8 9.0 13.5 18.0 22.5 27.0 33.8 40.5 45.0 54.0 63.0 67.5 78.8 airflow range (cfm in thousands) nominal cooling capacity Guidelines for: Bulletin 112, Ammonia Machinery Room Design. effect at the time of the publication of this Bulletin. bulletin to keep abreast of advancements in the ammonia refrigeration industry. Guidelines for Identification of Ammonia Refrigeration Piping and System Components (Date: 2014) This bulletin provides a comprehensive ammonia labeling scheme for companies in need of an identification system that “covers it all.” Bulletin No. IIAR Bulletin 112 . StartupPSSR, Evacuation, Dehydration, Leak Checking, Charging Testing Protective Devices Charging, I&MSystem Log/inspection, Log/inspection Compressors Compressors, PVs PVs, and HEs, Pumps, Valves, Piping, Oil, Motors Provides example ITPM planSlide 16, IIAR Bulletin No. 79-119A Guide for Developing a Training Program for Anhydrous Ammonia Workers, RMA Publication IP IP-14 14Specifications for Anhydrous Ammonia Hose, Publication IP-11-2Hose Technical Bulletin - Manual for Use Use, Maintenance, Testing, and Inspection of Anhydrous Ammonia Hose, ANSI/ASHRAE 15Safety Code for Mechanical Refrigeration, Establishes safeguards for personnel andproperty, Applies to: Design, construction, test, installation, operation, and inspection Modifications (non-RIK) Subst Substitutions tut o s of o refrigerants e ge a tsSlide 13, ANSI / IIAR Standard 2Standard for Equipment, Design & Installation of Ammonia Mechanical Refrigerating Systems, Applies to closed-circuit mechanicalrefrigeration systems, Provides minimum requirements for: Equipment Machinery room design Installation of systemsSlide 14, IIAR Bulletin No. Slide 20. IIAR - Bulletin 111 - Guidelines for: Ammonia Machinery Room Ventilation Major differences can be found between codes when determining ventilation requirements for ammonia machinery rooms. IIAR Bulletin No. Guidelines for Identification of Ammonia Refrigeration Piping and System Components. 111 Guidelines for: Ammonia Machinery Room Ventilation Our program is run by our own Safety Director, Rob Baker. 7. 110 Guidelines for: Start-up, Inspection and Maintenance of Ammonia Mechanical Refrigerating Systems IIAR Bulletin No. Guidelines for: Identification of Ammonia Refrigeration Piping and System Components . Refrigerating System, ANS/International Institute of Ammonia Refrigeration (IIAR) Bulletin 111, Ammonia Machinery Room Ventilation. 19. An audit is performed on-site, equipment is cataloged and inspected, and safety tests run to ensure that your facilities meet or exceed regulation requirements. The book, which replaces IIAR Bulletin R-1, contains general industry background, a basic overview of the technology, a general safety discussion and an overview of regulatory requirements. Ventilation DesignEAC, Emergency Vent Rate EAC Rate, Fan Selection & Layout, Detectors, Controls. 114Identification of Ammonia Refrigeration Piping and System Components, Comprehensive labeling scheme Label size Colors Locations Label material requirements, Alarms & Detectors Each machinery room is equipped withammonia detection that alarms and starts ventilation at a concentration of no higher than 1,000 ppm (ASHRAE-15, 8.11.2.1), Detector alarms annunciate with visualand audible means both inside and outside each entrance to machinery room (ASHRA-15, 8.11.2.1), Alarm is triggered when the continuousventilation system fails (IIAR-111, 3.5.3)Slide 23, Alarms & Detectors A high high-range range detector will automaticallyshut down all unclassified equipment in the machinery room at no more than 15,000 ppm (IIAR-111, 3.5.2), Must be manual reset type with the resetlocated inside the refrigerating machinery room (ASHRAE-15, 8.11.2.1), The meaning of each alarm shall beclearly marked by signage near the annunciators (ASHRAE-15, 8.11.2.1)Slide 24, Compressors Fitted with high pressure cutoutsthat unload the machine at 90% of the pressure relief valve set pressure (ASHRAE-15, 9.9), Located such that there isunobstructed access for both normal and emergency tasks (ASHRAE-15, 8.3)Slide 25, Compressors Must have both suction and dischargeshut-off valves (ASHRAE-15, 9.12.4), Fitted with nameplates that include:manufacturer, identification number, design pressures pressures, and refrigerant used (IIAR-2, 6.1.4), Each must be identified with signage withlettering greater than 0.5" in height (ASHRAE-15 (ASHRAE 15, 11 11.2.2) 2 2)Slide 26, Compressors Each compressor has a high dischargetemperature and pressure cutout (IIAR-2, 6.1.2.2), Each compressor has a low suctionpressure cutout (IIAR-2 (IIAR 2, 6 6.1.2.2) 1 2 2), Each compressor package with an oilpump has an oil flow failure indicator (more than just checking oil pressure and DP) (IIAR (IIAR-2 2, 6 6.1.2.2) 1 2 2)Slide 27, Design Pressures High High-side side components on systems 250 psig - evaporative condensing 300 psig air-cooled air cooled condensing (IIAR-2, 6.1 and 9.1), Low-side components are rated forMAWPs of 150 psig or greater (IIAR-2, 9 1) 9.1), Machinery / Engine Room Head room of at least 7.25 ft below equipmentsituated it t d over passageways (ASHRAE (ASHRAE-15, 15 8.11.1), Self-closing, tight-fitting doors that openoutward (ASHRAE-15, 8.11.2), No other wall penetrationsthat would allow ammonia to other parts of building (ASHRAE-15, ( , 8.11.2) )Slide 29, Machinery Room Emergency ventilation amount is greaterthan 100 times the square-root of the charge of refrigerant in pounds (ASHRAE-15, 8.11.5), Continuous ventilation amount is at least0.5 cfm/ft2 or 20 cfm/person (ASHRAE-15, 8.11.5 and IIAR-111, 3.2.3), Machinery Room Does not permanently contain equipmentwith continuous operating surface temperatures in excess of 800F [ASHRAE-15, 8.12(a)], Walls are noncombustible and at leastone-hour fire resistive construction [ASHRAE-15, 8.12(c)], At least one door opens directly outsidebut not under a fire escape/open stairway [ASHRAE-15, 8.12(d),(e)]Slide 31, Machinery Room Emergency shutdown control of is locatedimmediately outside of the machinery room door [ASHRAE-15, 8.12(i)], Emergency ventilation fans are on aseparate electrical circuit and have a control switch immediately outside of the machinery room door [ASHRAE-15, 8.12(i)], Machinery Room Signage indicating Name and address of installer Refrigerant number and amount Lubrication identity and amount Field test pressure (ASHRAE-15, 11.2.1), Access ccess is s limited ted to aut authorized o ed pe personnel so e o only, y,signage indicating MACHINERY ROOMAUTHORIZED PERSONNEL ONLY at each door (ASHRAE-15, 8.11.8 and 11.2.4)Slide 33, Machinery Room Personnel Safety ANSI Z358.1 Z358 1 eyewash/safety e e ash/safetshower located in close proximity outside of the machinery room (IIAR-2, 13.3.1.4), ANSI Z358.1 Z358 1 eyewash/shower h/ hstation should be located inside the machinery room within 50 ft of any point in the room (IIAR-2, 13.3.1.4), Piping All refrigerant piping less than 6" NPS is atleast schedule 40 (B31.5), All refrigerant piping less than 2" 2 NPS is atleast schedule 80 (B31.5), Refrigerant piping must be fabricated bycertified welders-WPS/PQR/WQR (B31.5), All piping mains, headers, and branchesare identified including the refrigerant's physical state state, relative pressure level level, and the direction of flow (IIAR-2, 10.5, IIAR-114), Main shut-off valve(s) (i.e., kingvalves) should be readily accessible and identified with a prominent sign (IIAR-109, 4.10.3), Pumps Pumps are protected from hydrostaticoverpressure with an relief device (IIAR-2, 6.2.1.2), All exposed rotating parts of the pump areguarded (IIAR (IIAR-2 2, 6 6.2.1.4) 2 1 4), Liquid refrigerant pumps are equipped withlow liquid level pump cut cut-out out, Relief Devices Pressure relief devices protecting ASME ratedcomponents are stamped with a UV or VR symbol (ASHRAE -15, 9.4.2), If a stop valve exists on the discharge of apressure relief de. 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