florida operations level hazardous materials training unit 2.4 containers and damage assessment

Florida Operations Level Hazardous Materials Training

Unit 2.4Containers and Damage Assessment

Florida Operations LevelHazardous Materials Training Program

Objectives

Key characteristics of containers Identify various types of highway, rail,

fixed and portable containers Identify potential emergency control

devices Recognize the importance of proper

container damage assessment

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Key Characteristics

Shape Pressure

Non-pressurized (0 5 psi)Low pressure (5 100 psi)High pressure (100 3,000 psi)Ultra-high pressure (over 3,000 psi)

Capacity

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Florida Operations LevelHazardous Materials Training Program

Container Use

Fixed storage Transportation

HighwayRail IntermodalPipeline

Portable

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Construction and Standards

Construction materials Non-ferrous Ferrous Alloys Aluminum HSLA Stainless steel

Standards Rail specification Highway spec plate DOT Motor carrier (MC)

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Florida Operations LevelHazardous Materials Training Program

Fixed Facility Containers

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Florida Operations LevelHazardous Materials Training Program

Non- and Low Pressure Storage

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Florida Operations LevelHazardous Materials Training Program

Pressurized Storage

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Florida Operations LevelHazardous Materials Training Program

Specialty Fixed Containers

Telescoping Cryogenic Other unique

containers exist Planning is

essential

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Florida Operations LevelHazardous Materials Training Program

Highway Containers

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Florida Operations LevelHazardous Materials Training Program

Non-Pressurized (DOT 406)

Common use: Petroleum products, some poisons

Construction: Mostly made of aluminum

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Florida Operations LevelHazardous Materials Training Program

Low Pressure (DOT 407)

Use: General purpose chemical tanker Construction: Aluminum, SS or steel

Might be insulated

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Florida Operations LevelHazardous Materials Training Program

Corrosive Carrier (Dot 412)

Use: Heavy corrosive liquids Construction: Black iron, SS or alloys

May be specially lined

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Florida Operations LevelHazardous Materials Training Program

Pressurized (MC 330 & MC 331)

Use: Liquefied compressed gases Construction: Steel, HSLA

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Florida Operations LevelHazardous Materials Training Program

Cryogenic Carrier (MC 338)

Use: Ultra cold cryogenic liquids Construction: Specialized with annular

space and unique venting characteristics

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Florida Operations LevelHazardous Materials Training Program

High Pressure Tube Trailers

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Florida Operations LevelHazardous Materials Training Program

Dry-Bulk Carrier (Non specification)

Use: Hazardous and non-hazardous powdered and granular materials

Pneumatically off-loaded

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Florida Operations LevelHazardous Materials Training Program

Intermodal Containers

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Florida Operations LevelHazardous Materials Training Program

Video Containers

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Florida Operations LevelHazardous Materials Training Program

Rail Containers

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Florida Operations LevelHazardous Materials Training Program

General Rail Containers

Box cars Flat cars Gondola cars Hopper cars Tank cars

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Florida Operations LevelHazardous Materials Training Program

Rail Tank Cars

ClassificationsNon-pressurized (less than 100 psi)Pressurized (greater than 100 psi)

Capacities up to 31,500 gallons Some are dedicated service (approx. 40) Intermodal

TOFC and COFC

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Florida Operations LevelHazardous Materials Training Program

Non-Pressurized

Use: Liquids with low vapor pressures Construction: No expansion dome

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Florida Operations LevelHazardous Materials Training Program

Non-Pressurized (with expansion dome)

Use: Liquids with higher volatility Construction: Expansion dome for vapors

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Florida Operations LevelHazardous Materials Training Program

Pressurized (Liquefied gas service)

Use: Liquefied gas carrier Construction: Protective dome, no

underside piping

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Florida Operations LevelHazardous Materials Training Program

Shipping Papers and Placards

Highway shipping papers Rail shipping papers Marine (Dangerous cargo manifest) Air (Air bill)

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Florida Operations LevelHazardous Materials Training Program

Non-Bulk Containers

CapacitiesLess than 119 gallonsLess than 1000 lbs.

water capacity Types

Cylinders, bags, carboys

Drums, boxes, totes

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Florida Operations LevelHazardous Materials Training Program

Pipelines

May be single or multi product linesUse of “pigs”Specific gravity

Pipeline markers Safety features

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Florida Operations LevelHazardous Materials Training Program

Radiological Packaging

Special form Normal Low specific activity Type “A” packaging Type “B” packaging

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Florida Operations LevelHazardous Materials Training Program

Summary

Numerous types of containers General classifications Container used is largely dependent upon

vapor pressure of the product Shipping papers are essential Radioactive packaging considerations

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Florida Operations Level Hazardous Materials Training

Container Damage Assessment

Florida Operations LevelHazardous Materials Training Program

Objectives

Identify three types of stressors

Understand the need for damage assessment

Define BLEVE and its potential impact

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Florida Operations LevelHazardous Materials Training Program

Types of Container Stressors

Thermal Chemical Mechanical

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Florida Operations LevelHazardous Materials Training Program

Failures and Releases

Failures Disintegration Run-away cracking Openings in closures Punctures Splits and tears

Release Types Detonation Violent rupture Rapid relief Spill or leak

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Florida Operations LevelHazardous Materials Training Program

Container Damage Assessment

Very risky operation Goal is to identify “critical containers”

Ones in which catastrophic failure is possible Items to consider

PressureContainer constructionType of stressor

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Florida Operations LevelHazardous Materials Training Program

Critical Pressurized Containers

Mechanical failuresPressurized tanks (e.g. MC 330 and 331) do

tolerate dents well Thermal impacts

BLEVE

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Florida Operations Level Hazardous Materials Training

Activity 2.4Container Recognition

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