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Although no two Methyl methacrylate 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 Methyl methacrylate or MMA? Methyl methacrylate is a flammable, colorless liquid with a strong odor. It’s used as a chemical intermediate in the manufacture of adhesives, automotive coatings, and sealants. It can also be found in dental materials such as crowns, fillings, and veneers, as well as enamel resins and lacquers.
In the United States, MMA is typically a “tight-fill” (closed-loop) loading operation and is loaded into rail cars via chemical hoses or 3” stainless steel loading arms. Methyl methacrylate, 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, fall prevention is essential, not only for safety but increases throughput.
Methyl methacrylate is typically shipped in DOT-115 insulated tank cars with safety valves that meet the DOT specification for the transportation of MMA and other similar commodities. The rails cars themselves are ~ 9′ outside diameter with an overall length of ~45’ to 60′, with a 6’ x 6’ center opening or off-set opening crash box.
Question, Get a Quote, Live Demo or Request an On-Site Visit
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
Trailers are top unloaded. An extension pipe with two valves is flanged to the top of the trailer. One valve is located at the top, and the other is at the end of the pipe on the bottom for easy access. Trailers should arrive on-site with blind flanges.
All trailers must be equipped with pressure relief valves, and trailers with bottom outlets must be equipped with remote controlled stop valves. Tank truck (un)loading procedures are similar to railcar applications with the trailers meeting established DOT requirements for hauling MMA or similar cargo. Approved DOT trailers include MC 300 thru MC 312 , MC 330, and MC 331.
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 Methyl Methacrylate 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.
Methyl Methacrylate Loading
Methyl methacrylate 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 Kalrez, ChemRaz (FFKM) 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.
Note: unloading hoses must be replaced annually to ensure their integrity.
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
Methyl Methacrylate 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.
Methyl Methacrylate 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.
Methyl Methacrylate Grounding
Methyl Methacrylate is a flammable liquid and vapor. 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
- Always use non-sparking tools when handling MMA
Methyl Methacrylate 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
Methyl Methacrylate 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. * For illustrative purposes only. Our experts will work with you and your team for a custom solution to suit your needs
Customer Reviews5 5SafeRack was able to provide us the equipment we needed fast.
We were very satisfied with the product we purchased from SafeRack a year ago so we decided to purchase an additional for a different location.By Robert Arredondo from Nutrien Ag Solutions on 11/22/195 5It is sturdy, functional, OSHA-compliant, it stands up to the weather and heavy use.
No concerns. Staff is professional and friendly. I would recommend the product. It is sturdy, functional, OSHA-compliant, it stands up to the weather and it stands up to heavy use. The salesman has been responsive. He promptly took my order and delivered a thorough proposal. My order was delivered within a few weeks, well within the expected shipping time.By Joe Stansell from Proximo Distillers, LLC on 8/18/165 5Customer service and sales provided quick responses when I had questions.
Quotes were delivered quickly, and order was processed quickly once p.o. was issued. Great product. Good support from sales staff, even made attempts to travel out of their way to our facility if needed. I was very impressed with the quality of the stairs relative to their cost, and will definitely consider Safe Rack on future projects.By Aaron Dickey from Delek Logistics Partners, LP on 10/18/165 5The service was extremely, and surpassed our expectations!
We needed an ErectaStep Metal Stair system. Such a great product and even better service. Thanks Taelor!By Nathan Davis from Mettler-Toledo Inc on 1/23/205 5I’d recommend the mobile access unit – it works very good.
I like the Maui’s safety above all. It is well made and easy to operate. Our salesman, Chris Hite was very responsive. I’d recommend the mobile access unit – it works very good.By Walter Woodall from Patriot Transportation Holding, Inc. on 1/30/125 5Very Satisfied with SafeRack
Every order has been a smooth transaction. Thank you SafeRack team.By Ethan G. from Recycling Equipment, Inc on 6/3/20
MAJOR METHYL METHACRYLATE PRODUCERS WHERE WE HAVE SUCCESSFULLY EXECUTED MMA LOADING PROJECTS
Methyl Methacrylate 101
Things to know about Methyl Methacrylate
Methyl methacrylate is regulated by the U.S. Department of Transportation (DOT) and is classified as a flammable liquid with the DOT identification number UN 1247.
MMA is a flammable, colorless liquid; it’s the methyl ester of methacrylic acid (MAA) and is a monomer produced on a large scale for the production of polymethyl methacrylate or PMMA. MMA is a reactive resin, and the polymerized form is used as a cement in dentistry, orthopedic surgery, and ophthalmology. MMA can also be found in acrylate adhesives, enamel resins, and lacquers.
Best practice for handling this chemical includes wearing chemical-resistant clothing, gloves, splash goggles, and/or face shield.
MMA causes serious eye irritation and may cause allergic skin reactions as well as respiratory irritation. Avoid breathing dust, fumes, gas, mist, or vapors. If inhaled, remove the victim to fresh air and call the poison center. Do not induce vomiting, clean the victim’s mouth with water and seek medical attention.
MMA is a highly flammable liquid and vapors may form explosive mixtures with air, so extreme care should be taken when handling this product. In the event of a spill or leak, exit the area immediately.
Eliminate heat and ignition sources such as sparks, open flames, hot surfaces, and static discharge. Post “No Smoking” signs. Released vapors may travel to the source of ignition and flashback. Therefore it’s important to eliminate all sources of ignition, and take precautionary measures against static discharges.
Only properly trained and equipped personnel should be permitted to unload railcar or tank trucks. Operators should wear an approved respiratory protective device, and impervious clothing, footwear, gloves, and goggles.
OSHA Permissible Exposure Limits (PEL) @ 100 ppm in an 8 hour day.
MMA is not compatible with cast/ductile iron or carbon steel, so great care should be taken to avoid contact with these materials. However, aluminum, galvanized or stainless steel are rated acceptable when working with this chemical.
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