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Although no two Ammonium Nitrate Loading solutions will be identical, the product itself determines much of the critical design criteria that will ensure optimum safety and productivity can work together in harmony.
Ammonium nitrate is a white crystalline solid comprising ions of ammonium and nitrate. It is highly soluble in water and typically transported in an aqueous fashion. Ammonium nitrate is primarily used in the making of fertilizers and explosives. Other uses include rocket propellants, pyrotechnics, herbicides, insecticides, and in the manufacture of nitrous oxide (laughing gas.)View Full Text
Ammonium Nitrate is typically shipped in 26,000 gallon DOT-105 insulated tank cars with safety valves. The rails cars themselves are ~ 9′ outside diameter with an overall length of ~45’ to 50′, with a 6’ x 6’ center opening or off-set crash box openings.
In the United States, Ammonium is a “tight-fill” (closed-loop) loading operation and is loaded into rail cars via chemical hoses or 3” stainless steel loading arms. Ammonium Nitrate, if not handled properly can cause serious injuries and Personal Protective Equipment (PPE) is required. Additionally, because operators are on top of the vehicles during the loading process, robust, well-designed fall prevention is essential to ensure increased throughput, without compromising operator safety.
Tank truck (un)loading procedures are similar to railcar applications with the trailers meeting established DOT requirements for transporting Ammonium Nitrate or other like commodities. Approved DOT trailers include MC 307 or low pressure chemical ISO containers. Trailers are typically bottom unloaded. An extension pipe with two valves is flanged to the top of the trailer.
All trailers must be equipped with pressure relief valves; and trailers with bottom outlets must be equipped with remote controlled stop valves.
Typical Ammonium Nitrate Loading Platform
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Below are some of the loading and unloading solutions for illustrative purposes only. Our experts will work with you and your team for a custom solution to suit your needs.
Ammonium Nitrate Loading Arms
Ammonium nitrate is typically loaded into railcars or tank trucks via boom supported stainless steel loading arms or chemical hoses with a flange connection. The arm or hose will have a top inlet with a control valve to ensure that it is self-draining after use and is supported along the length of a mechanical loading arm to improve handling; this is known as a by-pass arm. You can install one liquid and one vapor arm, or mount both the liquid and vapor hoses on one by-pass arm. For unloading, typically you would use a rigid stainless steel self-draining loading arm with Buna-N, EPDM, FKM or Kalraz seals. Purge lines can be fitted to the arm, for nitrogen purging. Additional features such as parking latches with proximity sensors can be incorporated into the total system to ensure the arm is correctly stowed when not in use, before any rail movement can occur.
Loading Gangways and Safety Cages
A wider access gangway (48″-60″ is preferable) as it helps improve access and egress to and from the vessel. In addition, a wider gangway will reduce the risk of the operator’s PPE getting caught, torn or damaged, and will improve productivity and safety. Powered gangway solutions are also an option, with both hydraulic and pneumatic solutions being commonly used.
Each gangway will be fitted with a two-rail safety cage for the railcar crash box. This will be a centered 6’x6’ safety cage to sit directly over the cashbox. This will provide a safe, secure work environment for your operator when connected to their breathing apparatus.
GX SELF-ADJUSTING STAIR (SAS) GANGWAY
SafeRack’s NEW GX SAS gangways use Retractalok power-assist technology allowing operators to raise or lower effortlessly, light as a feather to lift, solid as a rock. Tested in the most critical applications, this revolutionary new gangway outperforms all others. Available in multiple lengths and widths. Learn More
Ammonium Nitrate Eye Wash/Drench Showers
ANSI guidelines state that an Eye Wash/Drench Showers need to be located 10 seconds or 55’ (16.8m) from contaminants or hazardous materials.
Eyewash stations need to be on the same horizontal plane with no obstructions.
Therefore, we would propose the installation of a standard combination Drench Shower/Eyewash Unit, which will save limited space and fit easily into any work environment.
Ammonium Nitrate Spill Containment
Spill containment pans will be provided at the point of loading operations and is an essential piece of equipment in overall site safety and environmental protection.
Ammonium Nitrate Grounding
Ammonium nitrate is combustible and can cause an explosion if not handled properly. Industry best practice includes the grounding of all vessels before starting the (un)loading process.
- Vehicle grounding and bonding — ensure true grounding before product flow is permitted
- Explosion-proof enclosures — meet or exceed UL, CSA, and Ex requirements
- Non-sparking tools are also recommended while working around this product
Ammonium Nitrate Safety Gates
Safety Gates will be installed at the top of stairs and any other openings to ensure operator safety at all times.
YellowGate Safety Gates
SafeRack’s line of industrial safety gates is the most flexible product on the market with the ability span openings between 16” and 36” and is field adjustable with nothing more than a wrench. Learn More
Ammonium Nitrate Options
- Lighting – Lighting both over and under the platform will be provided. For overcast days or second shift, lighting is essential for improved safety and improved productivity.
- Platform & Canopies – Full platform canopies reduce exposure to the elements and improve the safe and productive loading operation from the operator’s perspective.
- Operator Shelter – Depending on your site requirements, consideration should be given to the requirement of an operator or guard building on the loading platform. This can be customized to meet specific site requirements
- Wheel Chocks – Railcar Wheel Chocks provide fast blocking of all types of railcars and meet OSHA regulations to safely prevent railroad cars from moving during loading or unloading operations. This is a requirement by the Department of Homeland Security
Personal Protective Equipment PPE Requirements
Eye/Face Protection: Wear chemical safety goggles. A face shield (with safety goggles) may also be necessary.
Skin Protection: Wear chemical protective clothing e.g. gloves, aprons, boots. Coveralls or long sleeve shirts and pants in some operations. Wear a chemical protective, full-body encapsulating suit, and self-contained breathing apparatus (SCBA). Suitable materials include: butyl rubber, neoprene rubber, Viton®, Viton®/butyl rubber, Barrier® – PE/PA/PE, Silver Shield® – PE/EVAL/PE, Trellchem® HPS, Trellchem® VPS, Saranex®™, Tychem® BR/LV, Tychem® Responder® CSM, Tychem® TK. The following materials should NOT be used: natural rubber, polyvinyl chloride. Recommendations are NOT valid for very thin neoprene rubber gloves (0.3 mm or less).
Respiratory Protection: Up to 5 ppm:
(APF = 10) Any chemical cartridge respirator with cartridge(s) providing protection against chlorine*; or Any supplied-air respirator*.
*Reported to cause eye irritation or damage; may require eye protection.
APF = Assigned Protection Factor
Recommendations apply only to National Institute for Occupational Safety and Health (NIOSH) approved respirators. Refer to the NIOSH pocket guide to chemical hazards for more information.
Use a local exhaust ventilation and enclosure, if necessary, to control the amount in the air. Consider using a corrosion-resistant exhaust ventilation system separate from other ventilation systems. It may be necessary to use stringent control measures such as process enclosure to prevent product release into the workplace. Use backup controls (e.g. double mechanical pump seals) to prevent the release of this material due to equipment failure.
Customer Reviews5 5Highly responsive.
The sales team was very easy to deal with, fast response and friendly. It was easy to install and looked good [and] size we needed was in stock. We only had a positive experience dealing with the company.By Michele David from Croda Inc. on 11/26/185 5Very good service.
Amber Graham and Taelor Pryor were both very helpful and professional.By Matt McCurdy from Corbion on 1/31/195 5Cost effective, great appearance, easy to assemble.
1. Cost effective for large area need where design would require structures needed vs. contractor building on site 2. Appearance and design is already safety-oriented to meet code 3. Structure is made to accommodate ease of assembly and access without fatal redesign cost, with prompt delivery and no issues.By Phillip Weathers from Sealed Air Corp - CRYOVAC DIV on 4/24/134 5We will be ordering more of your product in the future.
I really like the construction, the easy install, and bolt on plate that comes with the kit. I purchased a total of 100 safety swing gates on two occasions and each time the gates were delivered ahead of schedule.
The quality of your product assured us that we had safety at the top of our list! I do most of my work in power plants or heavy industrial, and I have recommended them to my customers. We will be ordering more of your product in the future. I’m afraid the only feedback I can give you is to keep up the good work.By Charlie Dovel from Chesapeake Mechanical & Coatings on 3/6/145 5Very responsive and on point.
All was a good experience. I’m a very busy person and always fixing stuff at my job. The customer service representative was super easy to deal with. [She] didn’t need tons of info and was very fast to send me quotes and also the product once ordered.By Kyle Bowers from Contanda Terminals LLC on 2/19/184 5Hope to do business again in the future.
The product added improved safety to my operation, does not take up much room and makes the operators line of sight a lot better. With the area that this product is being used in my facility, the overall length was going to be an issue having the version with steps on it. So, I ordered ours with a ladder instead of the steps, and it worked out perfectly. Very responsive, with answers to my questions in a very timely manner. Everyone I dealt with in getting the order placed and shipped was very professional and was of great help. Hope to do business again in the future.By Lynn Lehman from Energy Solutions on 4/28/14
MAJOR AMMONIUM NITRATE PRODUCERS WHERE WE HAVE SUCCESSFULLY EXECUTED AMMONIUM NITRATE LOADING PROJECTS
Ammonium Nitrate 101
Things to know about Ammonium Nitrate
Ammonium Nitrate is regulated by the U.S. Department of Transportation (DOT) and is classified as an explosive and hazardous material with the DOT identification number UN 2426.
Ammonium nitrate is used widely in the manufacture of synthetic fertilizers and explosives. Commercial grades of ammonium nitrate contain approximately 34 percent nitrogen all of which is in forms utilized by plants. Ammonium nitrate is also used to modify the detonation rate of explosives, such as nitroglycerin, or as an oxidizing agent in ammonals, which are mixtures of ammonium nitrate and powdered aluminum. Ammonium nitrate doesn’t burn on its own; instead, it acts as a source of oxygen that can accelerate the combustion or burning of other materials.
Only properly trained and equipped personnel should be permitted to (un)load ammonium nitrate tank cars and tank trucks. Operators should wear approved PPE equipment including impervious clothing, footwear, gloves, and goggles.
Under normal handling conditions, ammonium nitrate is not harmful. However, inhalation of high concentrations of dust or mist can cause respiratory tract irritation including coughing, shortness of breath or even suffocation. Use only outdoors, or in a well ventilated area.
First aid measures for exposure include – removing operators from the source of exposure and into fresh air. Remove contaminated clothing immediately; wash skin thoroughly with soap and water; flush eyes with tepid water for 15 minutes. If ingested do not induce vomiting, but immediately call your local poison control center. Aspiration into the lungs can cause fatal chemical pneumonitis. If ingestion has occurred, assume there is a risk of aspiration into the lungs.
Ammonium nitrate has a melting point of 337 degrees F (169.6 C). It is highly soluble in water; heating of the aqueous solution decomposes the salt into nitrous oxide.
Since solid ammonium nitrate can undergo explosive decomposition when heated in a confined space, strict government regulations have been imposed on its shipment and storage.
Ammonium nitrate is corrosive to most metals including bronze, brass, carbon and milled steel, so great care should be taken to avoid contact with these materials. However, aluminum and stainless steel have little to no effect when exposed to Ammonium nitrate.
Is your plant or facility compliant with ANSI, OSHA, and local safety codes? We can help!
EMERGENCY EYEWASHES / SHOWER EQUIPMENT AND THE ANSI/ISEA Z358.1 – 2014 STANDARD
Following eye contact, you must start washing with water immediately to prevent permanent damage. In the event of skin contact, you must start washing with water immediately to prevent slow-healing chemical burns.
Are you aware that ANSI guidelines state that Eye Wash/Drench Showers need to be located 10 seconds or 55′ from contaminates or hazardous materials and located on the same horizontal plane, with no obstructions? If bottom loading/unloading, an additional shower should be located at grade as well. SafeRack provides the above equipment plus much more needed to keep employees safe and expedite bulk chemical loading and unloading.
OSHA Regulation Experts – Does your existing chemical safety equipment or chemical loading systems meet OSHA’s latest requirements? SafeRack’s professional technical sales consultants are available to meet with your team to make recommendations to keep your facility in front of OSHA’s ever-changing country and region-specific standards and regulations, including lifeline and trolley beam fall arrest systems, metal stairs, and access platforms.
The SafeRack approach is a collaborative one. Let’s call it The SafeRack Way. We have, over many years amassed a great deal of experience and understanding of the safety aspects involved in loading road tankers and railcars, as well as the behavioral habits of the operators.
Experts In Chemical Loading
- Aluminum Sulfate
- Ammonium Nitrate
- DEF (Diesel Exhaust Fluid)
- Dodecylbenzene Sulfonic Acid
- Ethyl Chloride
- Ferrous Chloride
- Hydrochloric Acid
- Hydrogen Peroxide
- Methyl Ethyl Ketone
- Molten Sulphur
- Nitric Acid
- Renewable Diesel
- Sodium Hypochlorite
- Sulfuric Acid
- Sulfur Dioxide
- Titanium Tetrachloride
- UAN (Urea Ammonium Nitrate)
- Vinyl Chloride
- Specialty Chemical
North America’s largest loading terminal
World-leading designer, manufacturer, and installer of truck and railcar loading platforms
As one of the primary railcar loading points, Hardisty is one of the major crude oil hubs in North America and a major origination point of pipelines that export to the United States. SCS was asked to supply and construct a SafeRack crude oil loadout terminal spanning nearly half a mile. The USD Hardisty terminal can load up to two 120-railcar unit trains per day and consists of a fixed loading rack with 62 railcar loading positions enclosed, separate control, operator and mechanical buildings, as well as a unit train staging area and loop tracks capable of holding multiple unit trains simultaneously. SCS also supplied and installed boom-supported loading arms with supply and vapor management systems.
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Located in South Carolina
Located in South Carolina
Located in South Carolina
Located in South Carolina
Located in South Carolina