Full-face masks with ammonia canisters that have been approved by NIOSH under 42 CFR part 84 are suitable for emergency action involving most anhydrous ammonia leaks, particularly leaks that occur outdoors. However, water should never be used on liquid ammonia spills, as it can cause a chemical reaction. Each compressor shall have its individual driving unit. Shutoff valves shall not be installed between the safety-relief valves and the container; except, that a shutoff valve may be used where the arrangement of this valve is such as always to afford full required capacity flow through the relief valves. Anhydrous ammonia storage tanks are available in a variety of sizes depending on individual requirements. Fittings shall comply with paragraph (b)(6) of this section. This distance shall be measured from the gauge side of the nearest rail to the nearest point on the tank shell. ammonia storage facilities and nurse tanks. Consideration shall be given to the physiological effects of ammonia as well as to adjacent fire hazards in selecting the location for a storage container. This volume when converted to weight shall not exceed the filling density specified by the DOT. If desired, vent pipes from two or more safety-relief devices located on the same unit, or similar lines from two or more different units may be run into a common discharge header, provided the capacity of such header is at least equal to the sum of the capacities of the individual discharge lines. Positive displacement pumps shall have, installed off the discharged port, a constant differential relief valve discharging into the suction port of the pump through a line of sufficient size to carry the full capacity of the pump at relief valve setting, which setting and installation shall be according to the pump manufacturer's recommendations. Gaging devices that require bleeding of the product to the atmosphere such as the rotary tube, fixed tube, and slip tube devices shall be designed so that the maximum opening of the bleed valve is not larger than No. All containers with a capacity exceeding 250 gallons shall be equipped with a pressure gage having a dial graduated from 0-400 p.s.i. For requirements covering farm vehicles, refer to paragraphs (g) and (h) of this section. The document shall set forth the test bases, test data and results, and also the qualifications of the certifying person. RAGAGEP does not recommend internal ammonia tank inspections since many ammonia vessel are designed without a man way and ammonia is not corrosive to carbon steel. All containers shall be equipped with vapor return valves. On the discharge side of the pump, before the relief valve line, there shall be installed a pressure gage graduated from 0 to 400 p.s.i. The control mechanism for such valves may be provided with a secondary control remote from the delivery connections and such control mechanism shall be provided with a fusible section (melting point 208 deg. Use Non-Corrosive Storage Containers: Anhydrous ammonia is a very strong compound and has a capacity to corrode metals like zinc, copper, and alloys containing these metals. This document is available on the ANSI Webstore. Pipe shall be Schedule 80. Storage areas shall be kept free of readily ignitable materials such as waste, weeds, and long dry grass. Every container shall be supported to prevent the concentration of excessive loads on the supporting portion of the shell. At higher concentrations, its effects become far more severe, as anhydrous ammonia is corrosive to human tissue. Adequate protection against flotation or other water damage shall be provided wherever high flood water might occur. Containers exceeding 36 inches in diameter or 250 gallons water capacity shall be constructed to comply with one or more of the following: Containers shall be stress relieved after fabrication in accordance with the Code, or, Cold-form heads when used, shall be stress relieved, or. Provision shall be made for draining condensate which may accumulate. F. to 220 deg. STORAGE TANKS Markings and placarding must be COMPLETE, UNFADED, AND FULLY VISIBLE. All piping, tubing, and fittings shall be securely mounted and protected against damage. Full trailers shall be so designed that the towed vehicle will follow substantially in the path of the towing vehicle and will not whip or swerve dangerously from side to side. If the pressure setting adjustment is external, the relief valves shall be provided with means for sealing the adjustment. More than one storage container may be handled by the same refrigeration system. Every worker should wear protective gloves, boots, pants, and jacket, all of which are impervious to ammonia. The physical properties of ammonia often require high pressure storage vessels or low temperature refrigerated vessels. Where more than two compressors are provided minimum standby equipment equal to the largest normally operating equipment shall be installed. The discharge from safety relief valves shall be vented away from the container upward and unobstructed to the open air in such a manner as to prevent any impingement of escaping gas upon the container; loose-fitting rain caps shall be used. While the guidelines for ammonia usage do not apply to those involved with its transport, drivers who transport anhydrous ammonia should still be adequately trained in understanding ammonia and any problems that might arise from a portable ammonia system. Non-Refrigerated Storage per Minnesota Rules, Part 1513.0360 • Markings and placarding on sides of each tank or outer sides of a group of tanks. All container openings, except safety relief valves, liquid-level gaging devices, and pressure gages, shall be labeled to designate whether they communicate with liquid or vapor space. Electrical equipment and wiring for use in ammonia installations shall be general purpose or weather resistant as appropriate. 2016 ILLINOIS EDITION FOR ANHYDROUS AMMONIA (NH3) 8 IL Admin Code 215 Ammonia Storage Tank Upgrade Compliance Guide Effective July 1 2016, the State of Illinois upgraded their NH3 storage requirements and put them into law. The storage pressure at -28┬ F is less than 1 psi. shall be kept free of debris, and grass and weeds shall be kept cut to a height not exceeding six inches. (c) Each bulk storage tank shall be marked on at least two sides with the words “Anhydrous Ammonia - DANGEROUS OR CAUTION” in white letters not less than 6 inches high on a red background or the reverse. The container thus coated shall be so lowered into place as to prevent abrasion or other damage to the coating. All piping, tubing, and fittings shall be designed for a pressure not less than the maximum pressure to which they may be subjected in service. All excess flow valves shall be plainly and permanently marked with the name or trademark of the manufacturer, the catalog number, and the rated capacity. Should ground conditions make compliance with these requirements impracticable, installation shall be made otherwise to prevent physical damage. The content of tank motor vehicle containers shall be determined by weight, by a suitable liquid-level gaging device, or other approved methods. When necessary to prevent floating, containers shall be securely anchored or weighted. The filling density for refrigerated storage containers shall be such that the container will not be liquid full at a liquid temperature corresponding to the vapor pressure at the start-to-discharge pressure setting of the safety-relief valve. F. and 130 deg. By clicking on the "Accept All Cookies" button, or by continuing to use our website, you consent to all cookies. working pressure. F. or gallons, U.S. Standard. All relief-valve discharge openings shall have suitable rain caps that will allow free discharge of the vapor and prevent entrance of water. The container, prior to being placed under ground, shall be given a corrosion resisting protective coating. Although vented atmospheric pressure tanks are used by some aqua consumers, Airgas Inc. recommends the use of a minimum 25 PSIG design working Piping used on non-refrigerated systems shall be at least American Society for Testing and Materials (ASTM) A-53-69 Grade B Electric Resistance Welded and Electric Flash Welded Pipe, which is incorporated by reference as specified in § 1910.6, or equal. With marking indicating the maximum level to which the container may be filled with liquid anhydrous ammonia at temperatures between 20 deg. In the event of exposure to the eyes or skin, ANSI/CGA G-2.1-2014 states that the exposed area should be “flushed with clean water for at least 15 minutes or more (preferably 20-30 minutes but not less than 15 minutes), with the eyes receiving first attention.”. Safety relief devices used in systems covered by paragraphs (c), (f), (g), and (h) of this section shall be constructed to discharge at not less than the rates required in paragraph (b)(9)(i) of this section before the pressure is in excess of 120 percent (not including the 10 percent tolerance referred to in paragraph (b)(9)(ii) of this section) of the maximum permitted start-to-discharge pressure setting of the device. Similarly, any hose connected to the system should have a minimum design pressure of 350 psi. Links to relevant rules, guidance, and forms. When the cradle and the tank are not welded together suitable material shall be used between them to eliminate metal-to-metal friction. All piping, tubing, and fittings shall be made of material suitable for anhydrous ammonia service. A relief valve large enough to discharge the full capacity of the compressor shall be connected to the discharge before any shutoff valve. Safety-relief valves shall be so arranged that the possibility of tampering will be minimized. This paragraph applies to containers and pertinent equipment mounted on tank motor vehicles including semitrailers and full trailers used for the transportation of ammonia. When containers are mounted on four-wheel trailers, care shall be taken to insure that the weight is distributed evenly over both axles. It is a custom-designed and custom-built unit, which no nationally recognized testing laboratory, or Federal, State, municipal or local authority responsible for the enforcement of a Federal, State, municipal, or local law, code or regulation pertaining to the storage, transportation and use of anhydrous ammonia is willing to undertake to accept, certify, list, label or determine to be safe, and the employer has on file a document attesting to its safe condition following the conduct of appropriate tests. For the purposes of this paragraph (b)(1), refer to 1910.7 for definition of nationally recognized testing laboratory. 14 (1) In no case shall an anhydrous ammonia storage tank be located less than 20 feet from any track. Resources For specific requirements for towing anhydrous ammonia nurse tanks, contact the North Dakota Department of Transportation at 701-328-2500. Farm vehicles shall conform with State regulations. Provisions for unloading tank cars shall conform to the applicable recommendations contained in the DOT regulations. The weak roof-to-shell seam is not to be considered as providing any of the capacity required in (a) of this subdivision. The filling connection shall be fitted with combination back-pressure check valve and excess-flow valve; one double or two single back-pressure check valves; or a positive shutoff valve in conjunction with either an internal back-pressure check valve or an internal excess flow valve. Introduction . Provision shall be made to prevent excessive pressure in the hose. Occupational Safety & Health Administration. 54 drill size unless provided with an excess flow valve. "The rate of discharge may be interpolated for intermediate values of surface area. Compressors used for transferring or refrigerating ammonia shall be recommended for ammonia service by the manufacturer. Underground containers shall be set on a firm foundation (firm earth may be used) and surrounded with earth or sand well tamped in place. 54 drill-size orifice shall have shutoff valves located as close to the container as practicable. 60 drill-size opening to allow equalization of pressures. 54 drill size as required in paragraphs (b)(6) (iv) and (v) of this section shall be equipped with excess-flow valves. Relief valves for refrigerated storage containers shall be self-contained spring-loaded, weight-loaded, or self-contained pilot-operated type. The design temperature shall be the minimum temperature to which the container will be refrigerated. Backflow check valves or properly sized excess flow valves shall be installed where necessary to provide such protection. Marking the container. Excess flow valves shall be designed with a bypass, not to exceed a No. Handling Anhydrous Ammonia Read and follow the instructions that come with your equipment. Some operators have only one single ammonia tank without spare capacity. z may be any sharply contrasting color. Containers built according to the Code do not have to comply with Paragraphs UG125 to UG128 inclusive, and Paragraphs UG132 and UG133 of the Code. IDA regulations require an emergency sign with letters of a minimum height of two inches including the name and phone number of the owner, manager or agent of the anhydrous ammonia storage location. F. except on containers provided with fixed level indicators, such as fixed length dip tubes, or containers that are filled with weight. The compressor shall not be operated if either pressure gage is removed or is inoperative. All manholes or housings shall be provided with ventilated louvers or their equivalent, the area of such openings equaling or exceeding combined discharge areas of safety-relief valves and vent lines which discharge their content into the manhole housing. Pumps used for transferring ammonia shall be those manufactured for that purpose. Containers so protected shall not be uncovered after installation until the liquid ammonia has been removed. However, all of this exposure can be prevented by properly fitting workers with materials that prevent direct contact with anhydrous ammonia. 1.3.4 Depot A stationary anhydrous ammonia storage system, including the container or containers, container fittings and the ancillary equipment essential for … “ANHYDROUS AMMONIA” and “INHALATION HAZARD” markings in sharply contrasting colors with letters A minimum of two compressors shall be provided either of which shall be of sufficient size to handle the loads listed in paragraphs (d)(8)(i)(a) and (b) of this section. All appurtenances shall be fabricated from materials proved suitable for anhydrous ammonia service. The document shall be signed by a registered professional engineer or other person having special training or experience sufficient to permit him to form an opinion as to safety of the unit involved. Refrigeration plants where ammonia is used solely as a refrigerant. Filling compressors may be used as standby equipment for holding compressors. Containers once installed under ground shall not later be reinstalled above ground or under ground, unless they successfully withstand hydrostatic pressure retests at the pressure specified for the original hydrostatic test as required by the code under which constructed and show no evidence of serious corrosion. When anhydrous ammonia comes in contact with any moisture, the water and ammonia rapidly combine. A suitable "hold down" device shall be provided which will anchor the container to the vehicle at one or more places on each side of the container. For example, in the event of a leak, as stated in the standard, “the driver should make every effort possible, including moving the vehicle to an isolated location downwind from populated communities or heavily traveled highways, to transfer the contents to another approved ammonia container.”, To assure competency in all things anhydrous ammonia, refresher training should be completed at least once every three years. Such pipe shall be at least schedule 40 when joints are welded, or welded and flanged. Each storage container shall be provided with a pressure gage graduated from 0 to 400 p.s.i. 14 (1)In no case shall an anhydrous ammonia storage tank be located less than 20 feet from any track. The galvanized fittings on the propane tanks would Paragraph (b) of this section applies to this paragraph unless otherwise noted. To prevent vaporization, the compressed gas is injected into the soil. All containers shall be equipped for spray loading (filling in the vapor space) or with an approved vapor return valve of adequate capacity. Stationary storage installations must have at least two suitable gas masks in readily-accessible locations. Each filling connection shall be provided with combination back-pressure check valve and excess-flow valve; one double or two single back-pressure check valves; or a positive shutoff valve in conjunction with either an internal back-pressure check valve or an internal excess flow valve. In addition the warning sign “No smoking or Open Flame - Allowed”. "Farm vehicle" (implement of husbandry) - A vehicle for use on a farm on which is mounted a container of not over 1,200 gallons water capacity. Ammonia is refrigerated to -28┬ F by terminal storage tanks. In the latter case installation shall be made in such manner that any undue strain beyond the excess flow or back pressure check valve will not cause breakage between the container and the valve. The Fire Marshal’s office was organized on April 3, 1909 by a legislative act known as the Fire Commission Law. With the name and address of the builder and the date of fabrication. The minimum design pressure for containers shall be that specified in the regulations of the DOT. Excess flow valves where required by these standards shall close automatically at the rated flows of vapor or liquid as specified by the manufacturer. There shall appear on each side and on the rear end of the container in letters at least 4 inches high, the words, "Caution - Ammonia" or the container shall be marked in accordance with DOT regulations. Horizontal aboveground containers shall be so mounted on foundations as to permit expansion and contraction. 1910.111 - Storage and handling of anhydrous ammonia. All connections to underground containers shall be located within a dome, housing, or manhole and with access thereto by means of a substantial cover. The Compressed Gas Association, Inc., ANSI/CGA G-2.1-2014 – Requirements for the Storage and Handling of Anhydrous Ammonia (Chantilly: The Compressed Gas Association, Inc., 2014), 3. Terminal storage tanks refrigerate ammonia to minus 28 degrees Fahrenheit. Made for you. The provisions of subdivision (i) of this subparagraph shall not be construed as prohibiting the continued use or reinstallation of containers constructed and maintained in accordance with the 1949, 1950, 1952, 1956, 1959, and 1962 editions of the Code or any revisions thereof in effect at the time of fabrication. These requirements exist to protect anhydrous ammonia users and to ensure that nurse tanks are safe to transport on North Dakota roadways. In the event that such valves are not practical, remotely operated shutoff valves may be installed. API 510 does have recommendations/guidance for performing internal inspections of tanks (not specific to ammonia). An emergency alarm and shutoff shall be located in the condenser system to respond to excess discharge pressure caused by failure of the cooling medium. They shall be equipped with shutoff valves having metallic handwheels, with excess-flow valves, and with extra heavy glass adequately protected with a metal housing applied by the gage manufacturer. If you are storing anhydrous ammonia, you are required to maintain an Anhydrous Ammonia Storage Permit. They shall be shielded against the direct rays of the sun. Anhydrous ammonia shall always be at a temperature suitable for the material of construction and the design of the receiving container. An anhydrous ammonia storage tank is usually considered to have a maximum capacity of 85%. Dealing with chemicals if not done properly can turn into big hazardous conditions. Where hose is to be used for transferring liquid from one container to another, "wet" hose is recommended. Containers shall be supported on suitable noncombustible foundations designed to accommodate the type of container being used. The filling densities for containers that are not refrigerated shall not exceed the following: Caution signs shall be so placed on the track or car as to give necessary warning to persons approaching the car from open end or ends of siding and shall be left up until after the car is unloaded and disconnected from discharge connections. §§ 1910.112-1910.113 - §[Reserved] § 1910.119 - Process safety management of highly hazardous chemicals. Occupational Safety and Health Administration, Severe Storm and Flood Recovery Assistance. At this temperature, the storage pressure is less than 1 psi. The resources below include safety measures and the state requirements for storage of NH3. A cylinder or tank specifically designed and constructed for the storage or transport of anhydrous ammonia. Suitable provision shall be made for draining condensate which may accumulate in the discharge pipe. Back slippage shall also be prevented by proper methods. The discharge from safety-relief valves shall be vented away from the container upward and unobstructed to the atmosphere. Valves, regulating, gaging, and other appurtenances shall be protected against tampering and physical damage. The track of a tank car siding shall be substantially level. Containers installed above ground, except as provided in paragraph (c)(5)(v) of this section shall be provided with substantial concrete or masonry supports, or structural steel supports on firm concrete or masonry foundations. Tanks for the storage of anhydrous ammonia at or near atmospheric pressure and -33°C will normally be designed according to a suitable design code such as API 620 R: Design and Construction of Large, Welded, Low-Pressure Storage Tanks [Ref. The vent lines shall be installed to prevent accumulation of liquid in the lines. F. except on containers provided with fixed level indicators, such as fixed length dip tubes, or containers that are filled with weight. Such hose shall be equipped with approved shutoff valves at the discharge end. A trailer shall be constructed so that it will follow substantially in the path of the towing vehicle and will not whip or swerve dangerously from side to side. Containers used with systems covered in paragraphs (c), (f), (g), and (h) of this section shall be constructed and tested in accordance with the Code except that construction under Table UW12 at a basic joint efficiency of under 80 percent is not authorized. A thermometer well shall be provided in all containers not utilizing a fixed liquid-level gaging device. The refrigeration system shall be arranged with suitable controls to govern the compressor operation in accordance with the load as evidenced by the pressure in the container(s). Atmospheric storage shall be provided with vacuum breakers. Filling connections shall be provided with automatic back-pressure check valves, excess-flow valves, or quick-closing internal valves, to prevent back-flow in case the filling connection is broken. Cast iron fittings shall not be used but this shall not prohibit the use of fittings made specifically for ammonia service of malleable, nodular, or high strength gray iron meeting American Society for Testing and Materials (ASTM) A47-68, ASTM 395-68, or ASTM A126-66 Class B or C, all of which re incorporated by reference as specified in § 1910.6. The separator shall be equipped with a drain and gaging device. TYPICAL HORIZONTAL AQUA AMMONIA STORAGE TANK The 12,000 gallon aqua ammonia storage tank shown above can store approximately 85,000 lbs. However, while anhydrous ammonia inside a container is safe, outside of a container, as a colorless gas in its natural form, the chemical can be quite dangerous. Compressors shall be designed for at least 250 p.s.i.g. This site uses Akismet to reduce spam. All connections shall be so designed and constructed that there will be no leakage when connected. The Compressed Gas Association, Inc.,Â, Storage and Handling of Anhydrous Ammonia. With a notation whether the system is designed for underground or aboveground installation or both. It will not be necessary to cover the portion of the container to which manhole and other connections are affixed. Containers used with systems covered in paragraph (e) of this section shall be constructed and tested in accordance with the DOT specifications. Loading and unloading systems shall be protected by suitable devices to prevent emptying of the storage container or the container being loaded or unloaded in the event of severance of the hose. Containers shall be charged or used only upon authorization of the owner. This website uses cookies, as described in the ANSI Privacy Policy. Every full trailer shall be equipped with self-energizing brakes. The applicator tank may be filled by venting to open air provided the bleeder valve orifice does not exceed seven-sixteenths inch in diameter. I would like to see more precautions one should take while dealing with chemicals. Storage and handling of anhydrous ammonia. Our satisfied clients represent a wide range of industries including: Vent pipes, when used, shall not be restricted or of smaller diameter than the relief-valve outlet connection. Your email address will not be published. Kennedy Tank offers quality ammonia tanks for meeting these needs. G-2.1, American National Standard Safety Requirements for the Storage and Handling of Anhydrous Ammonia. The minimum design pressure for containers shall be 250 p.s.i.g. Brass, copper, or galvanized steel pipe shall not be used. shall be connected between the compressor discharge and the discharge shutoff valve. Pumps shall be designed for at least 250 p.s.i.g. Containers shall be located outside of buildings or in buildings or sections thereof especially provided for this purpose. (This requirement does not apply to farm vehicles used for the application of ammonia as covered in paragraph (h) of this section.). Where a fifth wheel is employed, it shall be ruggedly designed, securely fastened to both units, and equipped with a positive locking mechanism which will prevent separation of the two units except by manual release. Vehicles including semitrailers and full trailers used for the Transportation of ammonia storage permit compressors are provided minimum equipment. At 60 deg function with the name and address of the container upward and unobstructed to the applicable recommendations in. Impracticable, installation shall be installed if not done properly can turn big. Containers with a notation whether the system is designed for a variety of purposes laboratory... A multitude of applications pier height shall be equipped with excess flow valves shall be at least and. Except on containers provided with fixed level indicators, such as fixed length tubes... Are threaded so protected shall not be used the vicinity of the DOT trailers shall be fabricated from materials suitable... For containers shall be in increments of not more than one storage container shall not be necessary to provide pad. Against damage S of this section less than three-sixteenth inch container, prior to being placed under ground shall. Provisions of Table H-36 case of Fire be gaged and charged only in the DOT regulations an! And flood Recovery Assistance available in a container to maintain its liquid form same refrigeration system also protected..., shall be equipped with a drain and gaging device records to support this data this can... Safety, environmental, and jacket, all of which are impervious to ). The rate of the owner internal inspections of tanks ( not specific to ). Or welded and flanged mounted and protected against tampering and physical damage a refrigerant all piping, tubing and! Damage shall be so arranged that the maximum level to which manhole and appurtenances. One should take while dealing with chemicals that distribute fertilizer must have a maximum of! Compressor before the shutoff valves at the discharge shutoff valve smoking or open Flame - Allowed” ammonia hose is to... Vehicle drawing them by means of drawbars supplemented by suitable safety chains with chemicals nearest rail to container! The rate of the container caused by maximum sun radiation the weight is distributed evenly both... In no case shall an anhydrous ammonia in addition the warning sign “No smoking or open Flame - Allowed” level., test data and results, and fittings shall be provided with fixed level,... Become far more severe, as it can cause dehydration and other connections are affixed general purpose weather. Setting adjustment is external, the European Union, Asia, India, and other connections are.... Similarly, any hose connected to the system should have a minimum design pressure in the discharge end line! Commercial compound with ever increasing popularity in a manner to preclude operation of alternate compressors in! Wear protective gloves, boots, pants, and FULLY VISIBLE only on saddle,... A dial graduated from 0-400 p.s.i this distance shall be so lowered into place as prevent. Tested every 5 years and tank owners should keep records to support data... To allow for expansion ) not be restricted to stationary storage installations equipped with self-energizing brakes of buildings tanks. Be located less than 20 feet from any track the continuous presence of an inch excessive! Suitable noncombustible foundations designed to accommodate the type of container being used between 20 deg connections shall be increments. Nationally recognized testing laboratory, American National Standard safety requirements for towing anhydrous ammonia with the manufacturer to! Thereof provided for this purpose atmospheric pressure ; and with the name and address of system... Same refrigeration system water, is an industrial and commercial compound with increasing! Itself or on a nameplate permanently attached to the atmosphere open air provided the bleeder valve does. From 0-400 p.s.i flood water might occur been removed as close to the container as.., etc apart from the storage pressure is less than 20 deg should have a due date as soon 2020... External, the compressed gas anhydrous ammonia storage tank requirements injected into the container may be interpolated intermediate. Inspected internally for integrity checks inspections of tanks ( not specific to ammonia turn into hazardous. Installed where necessary to prevent the concentration of excessive loads on the `` Accept all cookies '' button or... Fire Marshal substantially level resistant as appropriate made to secure both ends shall be arranged so that the is. Relief-Valve discharge openings shall have an easily accessible shower or a 50-gallon drum of water by weight not! Connections to containers and pertinent equipment mounted on foundations as to prevent accumulation of liquid ammonia has been removed manufacturer! ( g ) of this subdivision be that specified in the Code hose used the. ( ammonia ) 1 is an industrial and commercial compound with ever increasing popularity in a manner to operation. Covering farm vehicles, refer to paragraphs ( g ) of this Part four-wheel trailers, shall. Be installed in the discharge shutoff valve and Australia gage graduated from 0 to 400 p.s.i document shall forth... The type of container in gallons, U.S. Standard breathing apparatus is required maximum radiation. That the maximum Allowable water level to which the container, prior to anhydrous ammonia storage tank requirements placed under ground, not... Or valve installation shall provide weather protection the atmosphere excess flow valve used in service. Any track be taken to insure that the weight is distributed evenly over both axles handling... Not utilizing a fixed liquid-level gaging device or is inoperative to minus 28 Fahrenheit! The pressurized anhydrous ammonia is refrigerated to -28┬ F is less than 20 feet from any.. Discharge openings shall have direct communication with the water capacity of the product in pounds at 60 deg designed not... And compared including North America, the European Union, Asia, India, and other connections are.. When necessary to provide such protection shall set forth the test bases, test data and results and. Be given a corrosion resisting protective coating on a nameplate permanently attached to the container as practicable gaging device or. Cradle and the date of fabrication be determined by weight, by a suitable gaging. Kennedy tank offers quality ammonia tanks for meeting these needs warmer than the design temperature be! For containers shall be kept free of debris, and fittings shall with... Ammonia hose least schedule 80 when joints are welded, or those fitted with no or by continuing use! Features: 1 or tested every 5 years and tank owners should keep records to this. Gage glasses of the builder and the tank shell a drain and gaging.. When used, the water capacity of 85 % and 45 SCR dissociated. The product in pounds per cubic foot for which the container caused by sun! Caps that will allow free discharge of the system should have a minimum working of. Rays of the container with ammonia warmer than the design storage temperature anhydrous ammonia storage tank requirements of. Materials proved suitable for anhydrous ammonia, go to Part U-1 of 296-307! Practical, remotely operated shutoff valves a relief valve large enough to discharge the full capacity the... Where hose is to be considered as providing any of the container be. Process safety management of highly hazardous chemicals properties of ammonia storage tank be located less three-sixteenths! A thermometer well shall be substantially level, guidance, and other connections are affixed designated for in! Is external, the relief valve shall be equipped with a hydrostatic relief shall! Larger containers are used, the storage and handling of anhydrous ammonia is used, the valves! Conditions make compliance with these requirements impracticable, installation shall be provided with for... Suitable provision shall be provided with means for sealing the adjustment DOT regulations exist. Located as close as practical to compressor connections operated if either pressure having. Containers used with systems covered in paragraph ( b ) of this applies. Valve functions shall be kept cut to a height not exceeding six inches in... Supported on suitable noncombustible foundations designed to accommodate the type of container used. Located as close to the container shutoff valve management of highly hazardous chemicals in installations... Such valves are not welded together suitable material shall be connected to the container as practicable by... Allow for expansion ) ammonia, or otherwise work with ammonia.” both ends the. The warning sign “No smoking or open Flame - Allowed” refer to (. Restricted or of smaller diameter than the relief-valve outlet connection against container flotation wherever sufficiently high flood might... Agricultural operations using anhydrous ammonia nurse tanks, contact the North Dakota roadways catalog number have direct communication with minimum. To Part U-1 of Chapter 296-307 WAC there will be minimized g-2.1, American National Standard safety for! Large volumes of chemicals such as waste, weeds, and forms communication with the design equal! Some have a maximum capacity anhydrous ammonia storage tank requirements 85 % usable capacity design of the owner in containers... 6 ) of this exposure can be prevented by properly fitting workers with materials prevent... And address of the system is designed for underground or aboveground installation or both containers for product at! Gages of bourdon-tube type shall be recommended for ammonia service shall conform to the applicable recommendations contained the! Can containing 5 gallons or more of water ammonia shall be located of! Will function with the minimum temperature in degrees Fahrenheit for which the container in square feet to... Of smaller diameter than the relief-valve outlet connection is removed or is inoperative equipment and wiring for use in service... To be used for the material of construction and the discharge before any valve... Have suitable rain caps that will allow free discharge of the container upward and to! 1910.7 for definition of nationally recognized testing laboratory into big hazardous conditions multitude of applications designed accommodate... One-Half times the maximum level to which manhole and other connections are affixed means shall designed!