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Although no two Hexane Loading solutions will be identical, the product itself determines much of the critical design criteria that will ensure that optimum safety and productivity can work together in harmony.
What is Hexane? Hexane, also known as Hexyl hydride, dipropyl, or n-hexane is a clear colorless liquid with a petroleum-like odor. C6H14 is used as an additive in consumer products including gasoline, glue, inks, and varnishes; as well as a cleaning agent in the textile, furniture, and printing industries. Common household products, such as contact cement, spray adhesives and stain removers all contain hexane.
In the United States, Hexane is a “tight-fill” (closed-loop) loading operation and is loaded or unloaded into rail cars via carbon steel loading arms. Hexane, 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.
Hexane is typically shipped in 10,000 gallon DOT-111 insulated or non-insulated general service tank cars with safety valves or vents. 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.
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Our experts simplify the complexBulk Chemical Specialist
“As subject matter expert, I’ll leverage my years of experience as your personal consultant throughout the project to ensure you get a world-class solution.”Ray Evans-Bulk Chemical Market SpecialistContract# 47QSAWA19D0085View Full Text
Tank truck (un)loading procedures are similar to railcar applications with the trailers meeting established DOT requirements for transporting hexane or other similar commodities.
Approved DOT trailers include MC 307 or low pressure trailers. These trailers are typically bottom unloaded with a flanged connection.
All trailers must be equipped with pressure relief valves, and trailers with bottom outlets must be equipped with remote controlled stop valves.
In addition, our highly trained technical sales team will undertake a detailed site survey to check and clarify all dimensions, obstructions, access issues, and other salient points.
Typically, as a starting point, we will need to know answers to these questions for your project
- The Railcar connection locations need flexibility – Do you know what the breadbasket connections look like?
- Are you using liquid and vapor arms/hose as two separate devices or a piggyback arm?
- Is the loading station indoors or outdoors?
- Is the loading area temperature controlled?
- How are you going to spot your railcars
Our highly trained technical sales team will undertake a detailed site survey prior to undertaking any work to check and clarify all dimensions, obstructions, access issues and other salient points. Our challenge is to provide the safest working environment – protecting operators and the equipment – while simultaneously enabling you to improve throughput and productivity.
Your Project Needs
Whether you are looking for a turn-key installation, on-site supervision or a maintenance program, SafeRack is positioned to assist you. We can do as little or as much as you need. Our project management and supervision team is the best in the business at supporting your company’s needs.
- Collaborative Design – Our loading platform specialists will work with you one on one, if you design to design the best loading solution for your specific needs
- Contract review – drawings and associated documents relating to the contract prior to site arrival
- Risk Assessment – Undertaking a site risk assessment
- Shipment Inspection – Detection of any shipping damage or abnormalities
- Material Receiving – Supervised off-loading and transport at site
- Installation Management – Supervised Installations and Coordination
- Start-up & Commissioning – On-site training for both users and maintenance personnel
Generally speaking, SafeRack recommends rigid pipe loading arms where possible for the following reasons:
- Balanced throughout their movement envelope
- Designed not to hit the ground – protecting the asset and the operator
- Ergonomic – one man operation
- Fitted with manual or actuated valves.
- Fitted with optional purge/vent facilities
- Can be moved into position with ease and left hanging in the air while the operator prepares the tanker connection
- Parked neatly
- Annual pressure test
- Are difficult to stow neatly when not in use
- Can be dropped
- Can be driven over
- Are very heavy to use if fitted with a valve at the tanker connection point
- Cannot be easily heated or have vent/purge valves fitted to it
- Prone to catastrophic failure
Typical Hexane 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.
Hexane is typically loaded into railcars or tank trucks via boom supported carbon steel loading arms with a flange connection. The arm 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 carbon steel arm with Buna, Nitrile, or PTFE 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. Quick-acting couplers and break-away units can also be incorporated into the system.
Loading Gangways and Safety Cages
A wider access gangway (36″-48″ 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 FLAT RAMP ACCESS (FRT) GANGWAY
SafeRack’s NEW GX-FRT is a flat ramp model popular with railcars. It features a slip-resistant walk surface and, with the use of the telescoping extension, eliminates gaps on narrow railcars. Learn More
Hexane 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.
Hexane 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.
Hexane is a flammable and combustible liquid. Therefore, industry best practice includes the grounding of all vessels before starting the (un)loading process.
- Ground controllers — 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
Hexane 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
- 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. * For illustrative purposes only. Our experts will work with you and your team for a custom solution to suit your needs.
Customer Reviews4 5With SafeRack, you’re not just purchasing products, you are partnering with experience that allows for a successful finished project.
I knew from the beginning that I needed to have SafeRack gangways… One of our counterpart facilities started with your product and ended up with another (competitor’s product). Feedback from our counterparts was that they had made a mistake and should’ve gone with SafeRack… SafeRack provides full support throughout the process. We found that we were purchasing a high quality product that is supported by qualified individuals within SafeRack’s organization. Our sales rep, Travis McCraine, came to our facility to assist with design and application. We learned that SafeRack is not just offering high quality products, rather becomes part of the solution toward finished projects. Very stream lined process…From the first visit to our facility by Travis, to the actual design and implementation of our specific needs. Thanks to the entire staff at SafeRack for their solution toward a successful loading system. With SafeRack, you’re not just purchasing products, you are partnering with experience that allows for a successful finished project.By Steve Labordus from The Andersons on 6/11/125 5Quality products that also Appear to be quality products.
If you drive into a yard or facility with SafeRack products, it’s almost immediately evident that the company cares. The products stand out.By Wendell Withrow from Mosier Fluid Power on 10/4/214 5I received a call to anticipate delivery; great communication!!!
David Daniel was an excellent rep. He checked in with me periodically on the status of the project. He was extremely patient with our process. He was never pushy. He responded quickly to our requests to furnish additional information or clarify any questions we had. Service has been excellent. Also, delivery was quicker than anticipated, well within the 3 week time frame. I received a call to anticipate delivery; the truck driver didn’t just show up. We could plan for the off-loading in a timely manner. Great communication!!! Last, installation was NOT complicated… ready to use in a few hours after foundation is completed.By Randall Landry from Newpark Environmental Services on 4/1/115 5Our client requested your product specifically, and I was very happy to oblige.
Our client requested your product specifically, and I was very happy with the service and fast delivery and fast response from our rep Travis McCraine.By Bradley Downs from Fastenal Company on 4/26/125 5Built to last with not only quality, but safety in mind.
Lead time was important. We did not want to hold up our project waiting for the product to arrive. Our sales rep, Chris Hite, answered all questions in a timely manner and the product arrived in a reasonable time without any additional expediting fees. From the quoting process, right through to the delivery, and even a follow-up by customer service, to ensure that we, as the customer, we have been completely satisfied with our purchase from SafeRack. Built to last with not only quality, but safety in mind. The price was less, but the service was top dollar! End result, this product will last for years in our facility.By Alan DeVito from TSE Industries, Inc. on 2/7/135 5We already have 4 of them here and need 7 more.
Well done and good quality. We already have 4 of them here and need 7 more.By Richard Perrault from Dow Chemical on 3/30/11
MAJOR HEXANE PRODUCERS WHERE WE HAVE SUCCESSFULLY EXECUTED HEXANE LOADING PROJECTS
Things to know about Hexane
Hexane is regulated by the U.S. Department of Transportation (DOT) and is classified as a flammable material with the DOT identification number UN 1208.
Hexane is a hydrocarbon consisting of six carbon atoms surrounded by fourteen hydrogen atoms. It’s commonly used to extract oils we use on a daily basis from a variety of vegetables and their seeds. When refined, hexane can be produced from crude oil. It’s also found in the adhesives used to make shoes, and can also be used as a solvent to remove oil from rough surfaces.
Only properly trained and equipped personnel should be permitted to (un)load hexane tank cars and tank trucks. Operators should wear approved PPE equipment including impervious clothing, footwear, gloves, and goggles.
Hexane is harmful by inhalation, contact with exposed skin, or if swallowed. Acute exposure may cause nausea, vomiting, headache, serious eye irritation or weakness, or convulsions. Use only outdoors, or in a well ventilated area.
If exposed, seek professional medical attention immediately; rapid medical attention is paramount for successful treatment.
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, rinse mouth but do not induce vomiting, and immediately call your local poison control center.
Store in a cool dry location with proper ventilation. Avoid storing near extreme heat, ignition sources, or open flame. Hexane is not compatible with oxidizing agents, strong acids, or bases.
Hexane is compatible with most metals including aluminum, brass, carbon, galvanized and stainless steel. Incompatible materials include ABS plastics, LDPE, Polycarbonate, and natural rubber.
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
- Acetic Acid
- Acetic Anhydride
- Acrylic Acid
- Aluminum Chloride
- Aluminum Sulfate
- Ammonium Hydroxide
- Ammonium Nitrate
- Benzyl Chloride
- DEF (Diesel Exhaust Fluid)
- Diethylene Glycol
- Dodecylbenzene Sulfonic Acid
- Ethyl Chloride
- Ethylene Dichloride
- Ethylene Glycol
- Ethylene Oxide
- Ferric Chloride
- Ferrous Chloride
- Hydrochloric Acid
- Hydrofluoric Acid
- Hydrofluorosilicic Acid
- Hydrogen Peroxide
- Hydrofluoric Acid
- Hypochlorous Acid
- Isopropyl Acetate
- Liquid Argon
- Liquid Nitrogen
- Maleic Anhydride
- Methyl Chloride
- Methyl Ethyl Ketone
- Methyl Methacrylate
- Molten Sulphur
- Nitric Acid
- Phosphoric Acid
- Phosphorus Trichloride
- Renewable Diesel
- Sodium Cyanide
- Sodium Hydroxide
- Sodium Hypochlorite
- Styrene Monomer
- Sulfuric Acid
- Sulfur Dioxide
- Titanium Tetrachloride
- UAN (Urea Ammonium Nitrate)
- Vinyl Acetate
- Vinyl Chloride
- Zinc 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