Www.safetyontheweb.com. HMT Bulk Loading/Unloading.

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Transcript of Www.safetyontheweb.com. HMT Bulk Loading/Unloading.

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HMTBulk

Loading/Unloading

HMTBulk

Loading/Unloading

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Introduction

If you load or unload hazardous materials in bulk containers, it is your responsibility to

follow the correct procedures. Incidents involving hazardous materials can lead to serious injury, property and environmental

damage, and even death.

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Introduction

Department of Transportation statistics show that 97 percent of all hazardous material

incidents involve tank cars and tank trucks.

And surveys show that up to 50 percent of all vehicles are placarded incorrectly.

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Identifications & Markings

Bulk Packaging is packaging other than a vessel or barge that hazardous materials are loaded onto which has a maximum capacity greater than 119 gallons, has a maximum net mass

greater than 882 pounds, or has a water capacity greater than 1,000 pounds.

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Identifications & Markings

This includes railroad tank cars, tank trucks, and portable tanks that meet the

criteria just mentioned. All bulk containers must have the correct

placards and markings according to the requirements in Title 49 of the Code of

Federal Regulations.

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Identifications & Markings

Railroad Tank Cars

Proper Shipping Name

Reporting Marks

Tank Car Classification

Safety Valve & Tank Test Information

DOT Hazard Warning Placarding

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Identifications & Markings

Tank Trucks

Shipper’s Name and Location

DOT Hazard Warning Placarding

UN or NA Identification Number

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Identifications & Markings

Railroad tank cars can be divided into two groups:

Pressurized Tank Cars

General Purpose Tank Cars

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Identifications & Markings

A general purpose or non-pressurized tank car is cylindrical in shape with convex (curves or bulges outward)

heads.

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Identifications & Markings

Loading devices and equipment are found in the platform area on the top of

the tank car.

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Identifications & Markings

In addition, bottom outlet valves for unloading are at the center of the car,

and heater coil outlets sometimes protrude from underneath the tank.

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Identifications & Markings

Pressure tank cars are also cylindrically shaped with convex heads. Pressurized tank cars are always loaded from the top. The loading devices and fittings are

located in one housing on the top center of the tank cars.

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Loading & Unloading

As a person who loads and unloads bulk shipments of hazardous material, there are two reasons why it is important that you

follow the proper procedures and safeguards:

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Loading & Unloading

1. To ensure your safety and health.

2. To reduce the odds of a release occurring during transport.

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Loading & Unloading

It is also important that you are familiar with the material you work with.

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Loading & Unloading

Though Material Safety Data Sheets do not necessarily provide specific DOT

information, they are a valuable source for finding out the physical characteristics and

hazards of a material, the recommended Personal Protective Equipment to be worn,

and other safety precautions.

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Loading & Unloading

There are specific requirements that must be followed when loading and unloading tank trucks or portable tanks into or onto

trucks.

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Loading & Unloading

When loading or unloading a bulk package on a truck, whether the tank is portable or cargo, the vehicle’s engine must be shut off, the parking brake set, and the wheels

chocked.

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Loading & Unloading

Because of the possible buildup of static electricity, the vehicle must also be

grounded.

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Loading & Unloading

The responsible person must verify that the driver understands the potential hazards of the material, is wearing the proper Personal

Protective Equipment, and knows the proper procedures to follow in case of an

emergency.

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Loading & Unloading

The driver must have a clear view of the vehicle and remain within 25 feet of the truck during the loading or unloading

process.

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Loading & Unloading

Before loading or unloading, the person performing the function must inspect the tank to make sure all fittings, valves, and

safety relief devices are in proper condition for safe transportation.

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Loading & Unloading

Loading and unloading both pressure and general purpose tank cars requires the same

thorough checklist as tank trucks. Before the process begins, blue flags are

positioned with one of the two following warnings:

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Loading & Unloading

STOP, TANK CAR CONNECTED

or

STOP, MEN AT WORK

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Loading & Unloading

The wheels are then chocked, and the hand brake is set.

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Loading & Unloading

Because of the potential for static electricity buildup, the tank car is

grounded.

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Loading & Unloading

On general purpose tank cars equipped with secondary outlet valves, the plugs

must be removed, and the top and bottom valves opened during loading. Internal heating coil caps must also be removed

during loading.

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Loading & Unloading

If loading, check the tank car’s interior for cleanliness, and to verify that the previous contents are compatible with the material

being loaded.

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Loading & Unloading

Make sure all valves and fittings are in their proper setting, and all loading or unloading connections are properly

attached. If corrective actions are needed to the tank car before loading or

unloading, notify the switching office or terminal manager.

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Loading & Unloading

After loading and before shipment or unloading and release, disconnect the appropriate lines or hoses. If loading,

check to make sure the required outage has been left to allow for expansion, or that the tank is empty if you have been unloading.

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Loading & Unloading

Make sure you properly seal the dome cover and uniformly cross-tighten all securing nuts. All valves must also be

securely closed.

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Loading & Unloading

Check to be sure that all valve caps and plugs are in place and have been tightened with a wrench. All protective housings and covers must also be in place, closed, and

wrench tight.

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Loading & Unloading

On general purpose tank cars, make sure the bottom outlet valve gasket is in good

condition. Tighten the bottom outlet valve cap with a wrench that has a

minimum 36-inch handle.

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Loading & Unloading

The plug in the bottom outlet valve should be wrench tight. Make sure all secondary

outlet valves and plugs are tight.

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Loading & Unloading

Check the tank car for any signs of leakage or spills, and make sure the correct

placards are in place.

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Loading & Unloading

If loading, check the marks to see that the load limit has not been exceeded and the

OSHA hazard warning is in place.

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Loading & Unloading

The person loading or unloading must be able to rapidly halt cargo transfer during the process if the material is hazardous.

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Placarding

After all final checks, once the tank cars, portable tanks, and tank trucks have been

loaded or unloaded, but before their shipment, they must be placarded according

to 49 CFR Part 172.504.

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Placarding

Placards inform emergency response personnel of the hazard class and associated dangers of the material being transported.

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Placarding

The regulations require specific placards for each of the nine hazard classes, as well as specific placards for those hazard classes that are further separated into divisions.

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Placarding

Most bulk transport containers require four placards, one on each side and each end.

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Placarding

As a general rule of thumb, placards must be visible on all four sides of a bulk

packaging and at least three inches away from any other markings.

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Placarding

If a portable container holds more than 119 gallons, but less than 1,000 gallons, the tank

may be placarded on two opposite ends.

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Placarding

Sometimes a material will have a primary and a secondary, or subsidiary, hazard. In

these cases, placards showing both hazards must be displayed, but the secondary hazard

class placard must have the hazard class number removed or obliterated.

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Summary

Loading and unloading hazardous materials is a serious responsibility. Be familiar with and respect the hazards associated with the

material you load or unload.

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Summary

Follow all procedures and safe work practices, including proper selection of tools

and Personal Protective Equipment.

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Summary

Make sure you double check that all valves, fittings, caps, seals, and closures are properly

secured, whether you used them or not.

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Summary

Check the placards before releasing the bulk container.

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Summary

Knowing and following the proper procedures can ensure safe transportation of bulk

shipments.

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Summit Training Source, Inc.

Contact us at:

1-800-842-0466

or at

[email protected]