621 0 obj <>/Filter/FlateDecode/ID[<085AA3FA977FCF4092C4579494B1E772>]/Index[606 28]/Info 605 0 R/Length 78/Prev 54257/Root 607 0 R/Size 634/Type/XRef/W[1 2 1]>>stream Anhydrous Ammonia liquid weighs approximately 5 pounds per gallon, at 60°F. In addition, this permit will only allow trained and authorized personnel to open a line, and only for a specified job and period of time. pressure-relief, valve-closures, flushing, block & bleed, venting, electrical isolation, alarm circuit break. A special thanks to the final editor, Patricia Reitz, of EPA Region 7. nd. Test your ammonia refrigeration knowledge in Appendix E. This manual has been prepared by the Environmental Protection Agency Region 7 (Iowa, Kansas, Missouri & Nebraska). 7.5.2 Line Break Permits A line breaking permit must be completed by the supervisor in charge of the work. It can be denoted by the symbols NH 3 (aq). Apply for a Line Opening Permit (FORM LEO) from your supervisor. Audit Our independent safety reports will not only provide you with clarity of your greatest Ammonia hazards, but we will guide you in the right direction, every step of the way. LINE BREAK PERMIT. 3. (A 15% vapor space must always be maintained when filling, to allow for expansion). Ammonia. Ammonia refrigeration systems with 10,000 pounds or more of ammonia are a covered process subject to the requirements of the Process Safety Management Standard [29 CFR 1910.119]. Entry/Line Break/SOP’s During Component Repair. These include: A lack of understanding of the science of ammonia refrigeration and the implications for design and modification. permit, which contains specific notification requirements for anhydrous ammonia storage and distribution operations. endstream endobj startxref Be familiar with the emergency action / response procedures for the facility. A person is said to have entered a confined space if they break the plane of the confined space portal with his/her face. ** See Storestock item # 28-909-0412 for Line Break Tape. Fill out and review permit with necessary plant personnel, Ammonia solution, also known as ammonia water, ammonium hydroxide, ammoniacal liquor, ammonia liquor, aqua ammonia, aqueous ammonia, or (inaccurately) ammonia, is a solution of ammonia in water. SOP: Ammonia System Line Break/Entry Permit Procedures . Be familiar with ammonia first aid procedures; Be familiar with the lockout/tagout procedures; Familiarize all members of the LEO work crew on the General Precautions that are taken during the procedure. Identify the line break point for each isolated section that may contain a solid, liquid, or gas by wrapping the point(s) with line break tape. What are some line break hazards? Chance to get it right”. Now awaiting EPC announcement and revised budget and schedule. Ammonia piping (indoor and outdoor) has been removed and permanent blinds installed. In other words, hosing may not be used in place of fixed system piping. (APPENDIX 9A) After determining it is necessary to open critical utility delivery systems, (such as ammonia, steam, air, water or chemical). This permit must be completed for each line break. h��mo�6�� To ensure the safe entry and/or repair to the refrigeration system, the Ammonia System Entry Work Permit will be properly completed prior to initiating any action. RESPONSE The work permit can only be issued after a TBRA is conducted and the resulting risk deemed acceptable (via written consent) by the Business Unit Manager or delegate. Line Break Safety Plan and Permitting. 10 images. This permit must be completed for each line break. > line break permit. ]By Michael Schreck of PSIG and ... or around the ammonia refrigeration system]Initial training]Refresher training - includes those in place ... Get “In House” Permit. Ammonia may also form explosive compounds with gold, silver and mercury as well as their compounds. Region 7 thanks all who contributed their time and expertise to the development of this manual. Partner Companies Greenfield ammonia plant: in development since 2012, permits approved in 2015, delayed, then completely redesigned in 2016. You must wear suitable gloves, a full face respirator and an ammonia meter when opening the system. Failure(s) to select, install, maintain, check and use systems correctly. Ammonia is highly toxic to fish. RESPONSE The work permit can only be issued after a TBRA is conducted and the resulting risk deemed acceptable (via written consent) by the Business Unit Manager or delegate. Ammonia can also be produced naturally when stored materials such as manure, compost, or other materials break down. The second person must be trained to initiate emergency action and must be stationed close enough to observe the activity but far enough away to ensure that they would not be endangered by an accidental release. Ammonia-rated hosing must have a minimum working pressure of 350 psig (1750 psig burst pressure). Fill out and review permit with necessary plant personnel, October 27-29, 2020 . Employees assigned to this task attend a prejob meeting, and sign the %PDF-1.5 %���� 0 ... bottom line is that even mechanical plants will struggle to consistently achieve the forthcoming limit. Ammonia can be mixed with water and sold as ammonium hydroxide, or used in compressed gas as anhydrous ammonia (meaning without water). A suitable protective face-shield and gloves may need to be worn Notify personnel who may be affected by the venting of the potential for a release / odor. Know the location of any secondary valves which would have to be closed to isolate the line section in an emergency. 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