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Chlorine is transported DOT 105 class dedicated thermal insulated and pressurized railcars and DOT MC-330 & MC-331 Truck tank trailers
18,000 to 23,000-gallon DOT 105 class dedicated thermal insulated and pressurized tank railcars are used to transport Chlorine on rail. Chlorine tank railcars come in three sizes 55, 85 or 90 ton capacities. It’s imperative that the tank cars not be loaded in excess of the load limit stenciled on the side of the car; therefore we would always recommend a secondary overfill device. The rails cars themselves have a 10′ outside diameter and an overall length ranging from 33’ to 48’, with a 6’x6′ centered crash box.
DOT MC-330 & MC-331 tank trailers are used to transport chlorine over roads and highways with a capacity of 15 – 20 tons (13,600 kg – 20,000 kg) The trailers can be top or bottom loaded/unloaded using the same man way and valve arrangements as rail tank cars and are required to have excess flow check valves under both the liquid and gas angle valves. Before loading begins, all hoses and ANSI fittings should be connected to the trailer for accurate axle weight to prevent overfilling.
Your Project
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
Loading Arms
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
Hoses require:
- 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 Chlorine Loading Platform
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Chlorine Loading | |
![]() | Chlorine is typically loaded into railcars and road trailers via chemical hoses. The current best loading practice is to use a PTFE lined chemical hose, with a quick-acting coupling, often in the form of Hammer Unions with a stabber pipe. In the U.S. loading arms are generally not used for the transfer of liquid chlorine, due to cost and long-term maintenance issues. By-pass arms however, can be used to support the chlorine hose, making it easier to handle. Likewise, you also have the option to use a hose carrier. Emergency Shut-off Valves (ESV’s) can also be fitted near the inlet of the hose for additional safety in the event of a leak, rupture or drive-off. |
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 SafeRack’s GX SAS gangways use Retractalok power-assist technology allowing operators to raise or lower effortlessly, light as a feather to lift, and solid as a rock. Tested in the most critical applications, this revolutionary new gangway outperforms all others. Available in multiple lengths and widths. MAXRack Elevating Safety Cage
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Chlorine 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. |
Chlorine 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. |
Chlorine Grounding | |
![]() | While chlorine is not flammable, industry best practice includes the grounding of all vessels before starting the (un)loading process.
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Chlorine Safety Gates | |
![]() | Safety Gates will be installed at the top of stairs and any other openings to ensure operator safety at all times.
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Chlorine Options | |
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Personal Protective Equipment PPE Requirements | |
(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 |
We recommend that you also refer to the Chlorine Institute, found at chlorineinstitute.org. The Chlorine Institute (CI) was founded in 1924 and is a technical trade association of companies involved in the safe production, distribution, and use of chlorine, sodium and potassium hydroxides and sodium hypochlorite, the distribution and use of hydrogen chloride and the distribution of vinyl chloride monomer.
Customer Reviews
Chlorine 101
Things to know about Chlorine
Chlorine is regulated by the U.S. Department of Transportation (DOT) and is classified as a hazardous material, with the DOT identification number UN 1017.
Chlorine is transported as a liquefied gas, under its own vapor pressure, via trucks and tank cars. Since the 1950’s the largest use for chlorine was in the manufacture of ethylene oxide and glycol (antifreeze fluids) It’s also used to make hundreds of consumer products ranging from paper products to paints, and from textiles to insecticides.
When liquid chlorine is released, it quickly turns into a gas (yellow-green in color) that stays close to the ground and spreads rapidly. Chlorine itself is not flammable, but it can react explosively when exposed to ammonia or turpentine. Exposure to chlorine can kill you by dissolving the lining of your lungs, so you can’t breathe. On the other hand, chlorine added to a swimming pool is diluted to the point where it’s only very mildly toxic.
OSHA Permissible Exposure Limit (PEL) @ .05 parts per million
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.
Why SafeRack?
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
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.