Asbestos Roofing Removal Training Course · Asbestos Roofer Course. 3/16/2011. Training Services...

Asbestos Roofer Course 3/16/2011

Training Services International, Inc. 1

Training Services International

www.TSItraining.com

Asbestos

Roofing

Removal

Training

Course


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Section 1

Asbestos

Facts



TSI

SOME FACTS ABOUT ASBESTOS

Used in over 3000 commercial products

Extremely long, thin flexible fibers that can be woven

Resistance to chemical and thermal degradation

High tensile strength

High electrical resistance

Fire resistant

Good insulator

P.1

TSI

Asbestos minerals

Serpentine

Chrysotile

Amphiboles

Amosite

Crocidolite

Tremolite

Actinolite

Anthophylite

P.2



TSI

Asbestos in the U.S.

P.3

TSI

Worldwide Asbestos

2009 World Asbestos Production=2,000

(thousands of metric tons)

• Russia=1,000

• China=280

• Brazil=250

• Kazakhstan=210

• Canada=180

• Zimbabwe=25

P.5

31

109

193

338

574

1,2

92

2,2

14

3,4

94

4,6

99

4,0

14 2,1

10

2,0

00

0

1000

2000

3000

4000

5000

1900

1910

1920

1930

1940

1950

1960

1970

1980

1990

2000

2009

Worldwide Asbestos Production

(thousands of metric tons)



TSI

Uses of asbestos

P.5-6

•USEPA Sample List of Suspect Asbestos -Containing Materials P.5

•Commercial & School Buildings P.6

•Residential Buildings P.6

TSI

Asbestos Containing Materials

• Fireproofing

• Acoustical plasterSurfacing ACM

• Pipe insulation

• Boiler/ tank insulation

• Duct insulation

Thermal System Insulation ACM

(TSI)

• Roofing

• Transite siding/ roofing

• Flooring materials

• Ceiling tiles

• Drywall & joint compound

• Others

Miscellaneous ACM

P.7

Material with over 1% asbestos



TSI

Categories of ACM

• Surfacing

P.7

TSI

Categories of ACM

TSI

P.7



TSI

Categories of ACM

TSI

P.7

TSI

Categories of ACM

Miscel laneous

P.7



TSI

Categories of ACM

Miscellaneous

P.7

TSI

Categories of ACMM

isce

lla

ne

ou

s

P.7



TSI

US Asbestos Bans

NESHAP Bans

• Spray-applied fireproofing - 1973

• Preformed block pipe, boiler, tank, duct insulation - 1975

• Spray-applied decorative uses - 1978

• Other decorative uses -1990

EPA Ban and Phase

Out Rule

1989-91

Corrugated paper Roll board Commercial paper Specialty paper Flooring felt New uses of asbestos

P.8

TSI

US Asbestos Bans

Examples of Products Not Banned

Asbestos cement (transite) Asphalt roofing products Ceiling Tile Resilient flooring (tile &

sheeting) Mastics Millboard Wallboard & joint

compound Gaskets

Friction products disc brakes & brake

drums transmission parts &

clutch facings Clothing & cloth products Caulking & glazings Light concrete All other uses not

mentioned in bans

P.8



TSIP.8

Enforcing the Bans

TSI

Active U.S. Ban Legislation

House bill in committee since 2007

Senate passed Ban Asbestos in America Act(October 2007)

Bans nearly all asbestos uses

Exempts naturally

occurring fill material

Other exemptions include DOD,

NASA, & chlorine process

P.9



TSI

Asbestos Exposure

Asbestos fibers become airborne

& inhaled

Friable & Non-Friable

• Material can be crumbled, pulverized, reduced to powder by hand pressure

• Potential to release fibers in the air

Intact vs.

Non-Intact

• Asbestos no longer in material matrix (crumbled, pulverized)

• Current ability to release fibers in air

P.9-10


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Section 2

Health

Effects



TSI

Health Effects of Asbestos

• Mining • Insulating

• Milling • Ship building

• Manufacturing • Construction

• Primary route of exposure is inhalation

• Secondary route is ingestion

• Latency Period of 10-40 years

• 10,000 deaths/ year

P.11

Worker handling amositeasbestos at a pipe insulationmanufacturing plant in Tyler,TX in the early 1970's. CDCPhoto

TSI

Asbestosis

Also called ‘White Lung’

Fibrotic scarring of the lung

1,500 deaths/

year

20,000 hospital visits

10-20 yr latency period

Shortness of breath common symptom

Dose-response

relationship

P.11



TSI

Causes most asbestos-related deaths

(≈4000/ yr)

Dose response relationship

20 year latency period

Asbestos exposure +

smoking = over 50 X greater risk

Lung Cancer

P.12

TSI

MesotheliomaCancer of the lining of the chest cavity or abdomen.

2,500 deaths/ year

Rare Cancer

No dose-response relationship

Always fatal

20-40 yr latency

P.12



TSI

Other Asbestos – Related Diseases

Asbestos-Linked Cancers

• Esophagus

• Stomach

• Colon

• Pancreas

Pleural Conditions

• Plaques

• Thickening

• Effusion

P.13


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Section 3

Liability

&

Regulations



TSI

Liability

Regulatory

Laws & statutes

Enforcement trends

Letters of interpretation

Criminal

Willfully violating

regulations

Civil

Contractual

Tort

P.14

TSI

Responsibilities

P.15



TSI

Asbestos Roofing Regulations

OSHA 29 CFR 1926.1101

• All asbestos roofing repairs and removals

• Work area isolation

• Work practices

NESHAP 40 CFR Part 61 Subpart M

• Intact roofing is Category I NF -least requirements

• Power cutter tailings is RACM

State Regulations

• May be more stringent than Federal regulations

P.15

TSI

OSHA OVERVIEW & ASBESTOS ROOFING

P. 16



TSI

Asbestos Work Classifications

• Class I: removing TSI and/or surfacing ACM/PACM

• Class II: removing miscellaneous ACM, including roofing

• Class III: repair work that disturbs ACM

• Class IV: clean up with contacting ACM/ PACM, but no disturbance

P. 16

TSI

Permissible Exposure Limit 0.1 f/cc for 8 Hr. TWA

Excursion Limit (EL)

1.0 f/cc for 30 min period

Exposure Levels

P. 16



TSI

Air Monitoring

Initial Monitoring

• Needed for all jobs w/o NEA.

• Competent person responsible.

Daily Monitoring

• Required on jobs above PEL or w/o NEA

How to get an NEA

• Get objective data (i.e. NRCA sampling results)

• Air sampling results from current job

• Air sampling results from similar job w/in past 12 mo.

P. 17

TSI

Multi-Employer Worksites

P. 17



TSI

Wet Methods

• Water + surfactant (if feesible)

• Reduces airborne fibers

• Not required if wetting is unsafe (competent person)

HEPA Vacs

• Used dust & debris

• Asbestos HEPA filter is 99.97% efficient @ 0.3 µm

• Vac must be contained system (fibers unable to escape)

Prompt Clean-up

• Containerize waste asap, no later than end of work shift

• Prevents waste from drying out & releasing asbestos fibers

Work Practices

P. 18

TSI

OSHA Prohibited Activities

High Speed Saws

• Does not include roof cutter

Compressed Air

Dry Clean-up

P. 19



TSI

Respirators

When do workers have

to wear a respirator?

• ACM is not removed intact

• Wet methods not used (unless safety issue exists)

• Exposure is over PEL or no NEA exists

Respirators requirements

• Doctor’s OK

• Check seal every time respirator is worn

• No facial hair can get in the way

• Fit tests are required every year for each respirator

• Employer has a respiratory protection plan available

P. 19

TSI

Decons and Suits

• Required above PEL, no NEA

• At least a dropclothoutside regulated area

Hygiene Facilities (Decons)

• Required above PEL, no NEA

• Wear outside work clothes

• Don & doff in deconoutside regulated area

Protective Clothing (suits & gloves, etc)

P. 20



TSI

OSHA Requirements

Medical

• Dr.’s approval for respirator

• Medical surveillance over 30 days• Asbestos roofing

removal

• Above the PEL

Training

• Prior to start of work• 8 hr asbestos roofer

worker

• 32 hr asbestos worker

• Annual refresher

Recordkeeping

• Personal air sampling – 30 yrs past sampling

• Medical – 30 yrs past employment

• Training – 1 yr past employment

P. 21-22

TSI

USEPA NESHAP & ASBESTOS ROOFING

P. 22



TSI

EPA NESHAP Requirements

• No notification

• No wetting (OSHA wants misting if safe)

• No disposal requirements

Category I Non-friable ACM projects

• No notification if material remains non-friable (minimal breakage)

• No wetting (OSHA wants misting if safe)

• Material disposed as asbestos in an asbestos landfill

Category II Non-friable ACM projects

• Notification if > 160 SF is dry cut or > 5580 SF is wet cut

• Keep tailings wet until sealed in container

• Tailings are regulated asbestos waste

RACM Projects

P. 23


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Section 4

Sampling &

Analysis



TSI

Material Sampling

Certified inspector

Identify suspect

materials

• Different materials separated (i.e. fields vs. flashing)

Sampling and analysis

• Multiple samples for each material

• 1 pos = ACM

P. 24

TSI

Air Sampling

Personal Air Sampling

• Exposure outside respirator

• Competent person’s responsibility

• Use current or previous job data

Air Sampling Equipment

• Battery operated pump

• Clear plastic tubing

• Air sampling cassette (cartridge with filter)

P. 25



TSI

Air Sampling

Air Sampling Procedure

• Pump @ lower back

• Tubing up back, over the shoulder

• Cassette with filter placed in the employee’s breathing

• Normal procedures, leave equipment alone

Air Sampling Reporting

• Results of air samples

• Accessible to all asbestos workers

• Available 5 days after company gets report

• Kept for 30 years after sampling

P. 25


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Section 5

Before

Starting the

Asbestos

Roof

Removal



TSI

Before Starting

P. 26

TSI

Before Starting

What is ACM?

• Testing

Is RACM involved?

• Is or will be friable

Need to notify?

• OSHA

• NESHAP

• State

Is NEA available?

• Trade group

• Prior job

• Current job

Asbestos tools and supplies?

• List on page 28

P. 26-28




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Section 6

Performing

Asbestos

Roof

Removal

TSI

Work Area Isolation

Overview

• OSHA requires all asbestos jobs to be isolated

• Roof area to isolate can be minimized

• Asbestos can only be removed in a regulated area

DANGER

Asbestos

Cancer and Lung Disease Hazard

Authorized Personnel Only

Respirators and Protective

Clothing are required in this Area

Ladder

Ladder

Regulated Area

• Authorized personnel only

• No eating, drinking, smoking, chewing, applying cosmetics

D A N G E R

A sb esto s

C an cer an d L u n g D isease H azard

A u th o rized P e rso n n e l O n ly

R esp ira to rs an d P ro tec tiv e

C lo th in g a re req u ired in th is A rea

Non-Regulated Area

DANGER

Asbestos

Cancer and Lung Disease Hazard



Clothing are required in this Area

Ladder

Ladder

Regulated Area

• Authorized personnel only

• No eating, drinking, smoking, chewing, applying cosmetics

D A N G E R

A sb esto s

C an cer an d L u n g D isease H azard

A u th o rized P e rso n n e l O n ly

R esp ira to rs an d P ro tec tiv e

C lo th in g a re req u ired in th is A rea

Non-Regulated Area

P. 29



TSI

Work Area Isolation

Regulated Areas

• Required for all Class I, II, III activities (includes

asbestos roofing)

• Demarcate work area

• Limit access to authorized persons

• Don PPE if required

• No eating, drinking, chewing tobacco or gum or

applying cosmetics

Additional requirements

• Isolate, shutdown, or redirect roof level ventilation

intakes

• Set up crane, hoist or dust-tight chute to lower waste

• Decon consisting of drop cloth if no NEA

AsbestosCancer and Lung Disease Hazard



Clothing required in this Area

AsbestosCancer and Lung Disease Hazard


Above: Sign w/ PPEBelow: Sign w/o PPE

P. 30

TSI

Work Area Isolation

Location of Regulated Areas

• Required at current asbestos removal locations

• Too much regulated area can restrict work

• Rules only apply inside demarcated area (barrier tape and signs)

P. 30



TSI

Asbestos Removal Methods

P. 31

TSI

Asphalt Felts & Flashing

P. 32



TSI

Removal Methods

• Creates RACM, non-intact

Aggre

ssive

rem

ova

l

• Remains intact, non-friable

Non-

aggre

ssive

rem

ova

l

P. 33

TSI

Work Practice Summaries

P. 34-35




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Section 6

Waste

Disposal

TSI

General Handling Practices

TSI photos

P. 36

Intact Roofing

Lower material to ground by hand, dust-tight chute, crane

or hoist by end of shift

Minimize dust

Transfer to closed receptacle

Non-intact Roofing

Lower material to ground by hand, dust-tight chute, crane

or hoist by end of shift

Minimize dust

Keep wet or containerize on roof

Seal in leak-tight, labeled container



TSI

Asbestos Waste Requirements

RACM (friable and/ or non-intact)

Examples

• Tailings and broken up cemetitousmaterials

Handling Requirements

• Adequately wet

• Container

• 2 – 6 mil bags or

• 1 – 6mil bag with sealed drum

Labels

• OSHA

• Generator

• DOT

Disposal Requirements

• EPA licensed landfill for RACM

P. 37

TSI


Category I Non-Friable

Examples

• Built up roofing, flashings, shingles


• Keep intact, wet non-intact

Labels

• None


• Construction debris landfill

P. 37



TSI


Category II Non-Friable

Examples

• Cemetitiousshingles, siding, and panels


• Wet

• Wrap & seal

• Carefully lower

Labels

• OSHA


• EPA licensed landfill for Category II Non-Friable ACM

P. 38

TSI

NESHAP Recordkeeping

Waste Manifests required for RACM waste

• Owner should receive manifest within 35 days

• If not within 45 days, contact the local EPA representative

• Waste shipment forms are required to be held onto for at least 2 years

P.39




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Section 7

Personal

Protective

Equipment

TSI

RESPIRATORY HAZARDS

P. 40

Asbestos is a toxic

particulate

Determine presence & exposure

Reduce levels w/ work

practices & engineering

controls

Respirators are last line of defense



TSI

Use of Respirators

P.40

• Triggering 1 = respirator

• ACM not removed intact

• Wet methods not used

• Exposure above PEL/ no NEA exists

When do I have to wear a respirator?

• Meet all listed below

• Wet methods used

• NEA exists

• ACM removed intact

When do I not have to

wear a respirator?

TSI

Selecting Respirators

P.41



TSI

Types of

Masks

Half-Mask Air-Purifying

• PF=10

Full Facepiece Air-Purifying

• PF=10 (qualitative)

• PF=50 (quantitative)

Powered Air-Purifying (PAPR) Helmet/ Hood

• PF=25

Powered Air-Purifying

• PF=1000

P.41

TSI

Respirator Selection

P.42

Maximum Use Concentration

• Highest exposure allowed w/ type of respirator

• PEL inside facepiece (0.1 f/cc)

• Allowed to wear any respirator @ or below MUC

Recommended Use

Concentration

•0.01 f/cc inside facepiece

•USEPA Final Clearance



TSI

Maximum Use Concentration

MUC =

Respirator’s

PF

x

0.1 f/cc

P. 42

Respirator

(Class III Activities)

MUC

(APF x PEL)

Recommended

Use

Concentration

(APF x 0.01 f/cc)

Half-Mask Air Purifying 1.0 f/cc

(10 x 0.1 f/cc)

0.1 f/cc

(10 x 0.01 f/cc)

Full Facepiece Air-

Purifying w/ Qualitative

Fit Test

1.0 f/cc

(10 x 0.1 f/cc)

0.1 f/cc

(10 x 0.01 f/cc)


(PAPR) Helmet/ Hood

2.5 f/cc

(25 x 0.1 f/cc)

0.25 f/cc

(25 x 0.01 f/cc)

Full Facepiece Air-

Purifying w/

Quantitative Fit Test

5.0 f/cc

(50 x 0.1 f/cc)

0.5 f/cc

(50 x 0.01 f/cc)


(PAPR) Full Facepiece

100.0 f/cc

(1000 x 0.1 f/cc)

10.0 f/cc

(1000 x 0.01 f/cc)

TSI

Required Approval

National

Institute of

Occupational

Safety and

Health

Asbestos Filter Requirements

P-100 rating

• P= oil & solvent resistance

• 100= 99.97% efficiency @ 0.3 µm

Color = purple or magenta

Made for specific facepiece

Need multi-media (piggy back) filters for other hazards

• i.e. fumes, vapors

Asbestos Filters

P. 43



TSI

User Seal Checks

Every time

• Close off inlets

• Inhale collapsing facepiece slightly

• Seal should hold for 10 seconds

Negative pressure check

• Close off exhalation valve

• Exhale gently 10 seconds w/o leakage

Positive pressure check

P. 43-44

TSI

Fit Tests

P. 44-45



TSI

Respirator Care • Warm soapy water wash

• Clean water rinse

• Air Dry

Cleaning

• Routine inspections

• Repair w/ qualified personnel & parts

Maintenance

• Protect from damage

• Plastic bagsStorage

P. 46

TSI

Protective Clothing

• Keeps asbestos off body

• Usually disposable

• Required above PEL or no NEA

Basics

• Don prior to entering regulated area

• Remove on outside dropcloth/ outside regulated area

Wearing requirements

• Proceed to decontamination area

• HEPA vac suit using buddy system

• Take suit off inside-out, rolling suit down body

• Dispose of suit as asbestos waste

Removal procedure:

P. 47



TSI

Proper respirator

use?


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Section 8

Medical

Surveillance



TSI

Medical Surveillance Triggers

Medical surveillance program required

30 Days of asbestos work or exceeding PEL

W/in 10 days of 30th

day

Respirator Approval

Doctor’s or physician’s authorization required

Prior to wearing respirator

P.48

TSI

Exam Content

• Respirator approval

• Physician’s signature

• Medical surveillance program

P.48-49

Exam Component Initial Annual

Medical questionnaire/history Comprehensive Abbreviated

Comprehensive medical evaluation determined by licensed physician

Yes Yes

Pulmonary function tests Yes Yes

Chest X-rays interpreted by a B reader

Usually, up to physician

Usually every 2-5 years, up to physician



TSI

Exam Results

Reports signed by physician

Surveillance exams conducted in accordance w/ 29 CFR 1926.1101

Kept for 30 years past last date of employment

Available upon request

Asbestos exam example form – Page 50

P.49


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Section 9

Safety

Concerns



TSI

Overview

P. 51

TSI

Use proper lock-out/ tag-out procedures

Use caution with wet methods

Dry removal allowed if safety issue exists

Use non-conductive tools near electric sources

Use GFCI’s, properly ground equipment

Do not allow water to accumulate on surfaces.

Tightly seal electrical outlets

Inspect site for electrical hazards

Electrical Safety

P. 51



TSI

Ladders

• Maintain in good condition

• No improvised repairs

• Remove defective ladders

• Keep rungs free of grease or oil

• Use ladders for intended purpose

• Face the ladder while going up and down

• Inspect periodically

• One person at a time

• Fiberglass ladders are recommended

General use

• 1-4 lean ratio

• Check safety feet spreaders and other components

• Movable parts are operating freely

Extension ladders

• Fully open

• Tops are not steps.

• Do not climb back bracing

Step Ladders

P 52

TSI

Scaffolding

P. 52



TSI

Aerial Lifts

Ensure that workers are properly trained

Maintain and operate elevating work platforms

Never override hydraulic, mechanical, or electrical safety devices.

Never move the equipment with workers in an elevated platform unless this is permitted by the manufacturer.

Do not allow workers to position themselves between overhead hazards, such as joists and beams, and the rails of the basket.

P. 53

TSI

Aerial Lifts

Keep at least 10 feet (3 m) away from the nearest overhead lines.

Always treat powerlines, wires and other conductors as energized

Use a body harness or restraining belt with a lanyard attached to the boom or basket

Set the brakes, and use wheel chocks when on an incline.

Use outriggers, if provided.

Do not exceed the load limits of the equipment.

Allow for the combined weight of the worker, tools, and materials

P. 54



TSI

Fall Protection Slips, & Trips

Mark perimeter of roof and do not

go outside barrier line without

supervision or authorized use of buddy system.

Cover and mark properly any holes

on roof where workers could potentially fall

through.

Use slip-resistant rubber soled

boots

Minimize water and wet

substances on surfaces.

P. 54

TSI

Fall Protection Slips, & Trips

Use proper harnesses when needed or required. Make sure life lines are properly anchored to support weight of workers.

Use care around lines and

electrical cords.

No running, jumping, or horseplay in work areas

should ever be allowed.

P. 55



TSI

Haz-Com

Comprehensive written hazard communication

program

Labeling of hazardous materials

Maintaining material safety

data sheets

Employee training

P. 55

TSI

Fire Safety

• Mark exit routes at floor level

• Mark emergency exits

• Keep flammables away from ignition sources

• Utilize flammable storage cabinets

• Know your chemical properties

• Do not block fire extinguishers with equipment

• Do not overload outlets

• Practice good housekeeping

• Inspect wires

Fire Safety

P. 56



TSI

Heat-Related Disorders

Heat Stress

Symptoms:

Fatigue Weakness Profuse sweating Normal temperature Pale clammy skin Headache Cramps Vomiting Fainting

Treatment:

MEDICAL ALERT Remove worker from hot area. Have worker lie down and raise feet Apply cool wet cloths Loosen or remove clothing Allow small sips of water or

Gatorade™ if victim is not vomiting

P. 56

TSI

Heat-Related Disorders

Heat Stroke

Symptoms:

Dizziness

Nausea

Severe headache

Hot dry skin

Confusion

Collapse

Delirium

Coma

Death

Treatment:

MEDICAL EMERGENCYRemove worker from hot areaRemove clothingHave them lie downCOOL THE BODY (SHOWER, COOL WET CLOTHS)Do Not give stimulants

P. 57



TSI

Emergency Procedures

Develop emergency plan

Post emergency phone number(s)

Notify emergency responders

Have certified first aid & CPR personnel on-site

Inform personnel on emergency plan/ procedures

P. 57

TSI

THE END

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