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Construction_MaterialsHandling_PPT_v.05.18.15.pptx

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Materials Handling, Storage, Use, and Disposal

10-Hour Construction Outreach

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

Source of graphics: OSHA

Materials Handling, Storage, Use, and Disposal

Lesson Overview

Types of material handling equipment.

Hazards associated with material handling activities

Prevention of hazards associated with material handling equipment

Employer requirements to protect workers from material handling hazards

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

Enabling Objectives:

Identify types of material handling equipment.

Describe hazards associated with material handling activities (e.g., storage, use, and disposal).

Identify methods to prevent hazards associated with material handling equipment.

Recognize employer requirements to protect workers from material handling hazards.

Types of Equipment

Conveyors

Source: TEEX-Harwood

Source: OSHA

Powered Industrial Trucks

PPT 10-hr. Construction – Materials Handling v.05.18.15

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OSHA 1996, https://www.osha.gov/doc/outreachtraininghtmlfiles/mathan.html

Many industries rely on efficient handling and storage of materials through diverse operations to function properly. A variety of tools/equipment is used to move, store, use, and dispose of materials. For example, in construction, the following operations may exist: “hoisting tons of steel with a crane, driving a truck loaded with concrete blocks, manually carrying bags and material, and stacking drums, barrels, kegs, lumber, or loose bricks.”

Types of Equipment

Slings

Source: OSHA

Cranes

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

OSHA 1996, https://www.osha.gov/doc/outreachtraininghtmlfiles/mathan.html

“To help reduce potential accidents associated with workplace equipment, employees need to be trained in the proper use and limitations of the equipment they operate. This includes knowing how to effectively use equipment such as conveyors, [powered industrial trucks or forklifts], cranes, and slings.”

Factors Contributing to Injuries

Weight and bulkiness of objects

Bending, twisting, turning movements

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

OSHA 2002, https://www.osha.gov/Publications/osha2236/pdf

“Workers frequently cite the weight and bulkiness of objects that they lift as major contributing factors to their injuries.” A study from 1999 found that 420,000 back injuries occurred from workplace accidents. Causes of the injuries included lifting heavy or bulky items and bending, twisting, or turning movements.

Hazards

Improper operation of equipment

Accumulated materials or clutter

Source of photos: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Examples of improper operation of equipment – overloads, unsafe speeds,

Poor housekeeping presents tripping hazards, fire/explosion hazards, or hazards associated with harboring pests (rats, mice, etc.)

Hazards

Unsafe conditions of materials or containers

Flammability or toxicity of some materials

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Examples of unsafe conditions – protruding nails, dry rot, deteriorated containers

Primary hazards associated with flammable materials are explosion and fire.

Hazards

Weight of materials

Binding ties or other devices that secure bundles or bound materials

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Exceeding load capabilities of equipment, floors, or storage shelves can cause:

Equipment to fail or turn-over/tip-over

Falling/dropped loads

Floors to collapse

Storage shelves to collapse or fall over

Binding ties or other securing devices are likely under tension, which can cause them to snap or “fly-off” when cut improperly.

Hazards

Falling objects

Lifting, pushing, pulling, or otherwise manually moving large, heavy items

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Falling objects – due to improper handling or storage, overloading capacity, etc.

Manually moving large, heavy, and/or irregularly-shaped objects can cause injuries; back injuries are a common injury associated with manual moving of heavy, bulky items

Hazards

Improperly stacked materials

Struck-by or caught-in/-between hazards

Source of photos: TEEX - Harwood

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Improperly stacked materials have potential for sliding, falling, or collapsing, which can lead to struck-by or crushed-by incidents.

Equipment, machinery or falling loads lead to struck-by or caught-in/-between incidents

Injuries

Types of injuries commonly reported

Sprains, strains, tears

Soreness and pain

Bruises and contusions

Cuts, lacerations, and punctures

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

OSHA 2002, https://www.osha.gov/Publications/OSHA2236/osha2236.html:

Back injuries  lifting or bending and then twisting and turning

Strains and sprains  improper lifting or carrying loads too large or heavy

Fractures and bruises from  struck by materials or caught in pinch points

Cuts and bruises – falling materials that have been improperly stacked or had ties/securing devices incorrectly cut/removed

Injuries

Examples of events or exposures leading to injuries

Contact with objects and equipment

Transportation incidents

Exposure to harmful substances or environments

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Injuries

Falls, slips, trips, or loss of balance

Repetitive motion

Overexertion

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Analyze job tasks and identify potential hazards associated with a task; determine/use ways to control conditions/actions of the workplace to minimize dangers.

Preventing Hazards

Moving materials manually

Use devices to assist with holding loads

Wear PPE

Use proper lifting technique

Seek help for oversized loads

Use blocking materials

Source of photos: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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OSHA 2002, https://www.osha.gov/Publications/OSHA2236/osha2236.html:

Attach handles or holders to loads.

Always wear appropriate personal protective equipment. “Using the following personal protective equipment prevents needless injuries when manually moving materials:

Hand and forearm protection, such as gloves, for loads with sharp or rough edges.

Eye protection.

Steel-toed safety shoes or boots.

Metal, fiber, or plastic metatarsal guards to protect the instep area from impact or compression.

See OSHA's booklet, Personal Protective Equipment (OSHA 3077), for additional information.”

Use proper lifting techniques.

Break load into parts; get help with heavy or bulky items.

Lift with legs, keep back straight, do not twist.

Use handling aids – such as steps, trestles, shoulder pads, handles, and wheels.

Avoid lifting above shoulder level.

“To prevent injury from oversize loads, workers should seek help in the following:

When a load is so bulky that employees cannot properly grasp or lift it,

When employees cannot see around or over a load, or

When employees cannot safely handle a load. “

“Employees should use blocking materials to manage loads safely. Workers should also be cautious when placing blocks under a raised load to ensure that the load is not released before removing their hands from under the load. Blocking materials and timbers should be large and strong enough to support the load safely. In addition to materials with cracks, workers should not use materials with rounded corners, splintered pieces, or dry rot for blocking.”

Preventing Hazards

Cranes

Major types of crane accidents

Contact with power lines

Overturns

Falls

Mechanical failure

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

OSHA 2002, https://www.osha.gov/Publications/OSHA2236/osha2236.html:

Preventing Hazards

Hoisting tons of material, steel, and concrete with cranes

Operated only by thoroughly trained and competent workers

Source: OSHA

Source: TEEX - Harwood

PPT 10-hr. Construction – Materials Handling v.05.18.15

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OSHA 2002, https://www.osha.gov/Publications/OSHA2236/osha2236.html:

Crane operators:

Must be qualified

Should know what they are lifting and what it weighs

“For example, the rated capacity of mobile cranes varies with the length of the boom and the boom radius. When a crane has a telescoping boom, a load may be safe to lift at a short boom length or a short boom radius, but may overload the crane when the boom is extended and the radius increases.”

Preventing Hazards

Eliminate/reduce crane hazards by:

Knowing

Load

Capacity of the crane

When the load is safe to lift

Always checking crane load chart and never exceed load limits

Source: TEEX - Harwood

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

OSHA 2002, https://www.osha.gov/Publications/OSHA2236/osha2236.html

“To reduce the severity of an injury, employers must take the following precautions:

Equip all cranes that have adjustable booms with boom angle indicators.

Provide cranes with telescoping booms with some means to determine boom lengths unless the load rating is independent of the boom length.

Post load rating charts in the cab of cab-operated cranes. (All cranes do not have uniform capacities for the same boom length and radius in all directions around the chassis of the vehicle.)

Require workers to always check the crane's load chart to ensure that the crane will not be overloaded by operating conditions.

Instruct workers to plan lifts before starting them to ensure that they are safe.

Tell workers to take additional precautions and exercise extra care when operating around power lines.

Teach workers that outriggers on mobile cranes must rest on firm ground, on timbers, or be sufficiently cribbed to spread the weight of the crane and the load over a large enough area. (Some mobile cranes cannot operate with outriggers in the traveling position.)

Direct workers to always keep hoisting chains and ropes free of kinks or twists and never wrapped around a load.

Train workers to attach loads to the load hook by slings, fixtures, and other devices that have the capacity to support the load on the hook.

Instruct workers to pad sharp edges of loads to prevent cutting slings.

Teach workers to maintain proper sling angles so that slings are not loaded in excess of their capacity.“

Preventing Hazards

Inspection of crane by a qualified person

Modified, repaired, or adjusted

Post-assembly

At least every 12 months

Equipment not in regular use

Visual inspection by a competent person

Prior to each shift

Monthly

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

OSHA 2002, https://www.osha.gov/Publications/OSHA2236/osha2236.html

“Ensure that all cranes are inspected frequently by persons thoroughly familiar with the crane, the methods of inspecting the crane, and what can make the crane unserviceable. Crane activity, the severity of use, and environmental conditions should determine inspection schedules.

Ensure that the critical parts of a crane—such as crane operating mechanisms, hooks, air, or hydraulic system components and other load-carrying components—are inspected daily for any maladjustment, deterioration, leakage, deformation, or other damage.“

Preventing Hazards

Slings

Connect a crane hook to a load

Proper selection

Inspection

Source of photos: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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https://www.osha.gov/doc/outreachtraining/htmlfiles/slings.html

Selection of slings “Slings are generally one of six types: chain, wire rope, metal mesh, natural fiber rope, synthetic fiber rope, or synthetic web. In general, use and inspection procedures tend to place these slings into three groups: chain, wire rope and mesh, and fiber rope web. Each type has its own particular advantages and disadvantages. Factors that should be taken into consideration when choosing the best sling for the job include the size, weight, shape, temperature, and sensitivity of the material to be moved, as well as the environmental conditions under which the sling will be used.”

Inspection “Designate a competent person to conduct inspections of slings before and during use, especially when service conditions warrant.” Damaged or defective slings must be removed from service.

Preventing Hazards

Reduce sling hazards by:

Lubricated

Do not shorten with knots, bolts, or other devices, or kink legs

Keep clear of loads

Avoid sudden movement

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

OSHA 2002, https://www.osha.gov/Publications/OSHA2236/osha2236.html

“Ensure that workers observe the following precautions when working with slings:

Remove immediately damaged or defective slings from service.

Do not shorten slings with knots or bolts or other makeshift devices.

Do not kink sling legs.

Do not load slings beyond their rated capacity.

Keep suspended loads clear of all obstructions.

Remain clear of loads about to be lifted and suspended.

Do not engage in shock loading.

Avoid sudden crane acceleration and deceleration when moving suspended loads.”

Preventing Hazards

Forklifts

Main causes of injuries

Forklift overturns

Forklift striking workers on foot

Persons crushed by forklifts

Persons falling from forklifts

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Preventing Hazards

Illegal forklift operators

Anyone under 18

Anyone not properly trained and certified

Source of photos: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

https://www.osha.gov/SLTC/etools/pit/assistance/index.html

The training provided must be applicable to the work site and working conditions. Trainees must be supervised by a competent persons and may not operate trucks where they would endanger anyone.

The requirements of the standards must be taught, as well as truck-related and workplace-related topics.

Three separate aspects of powered industrial truck training must be completed:

1. Formal training – lecture, discussion, interactive computer learning, written materials

2. Practical training – demonstrations and exercises performed by the trainee

3. Evaluation – practical observance and determination of the trainees’ competence and capability

Preventing Hazards

Driving the forklift

Obstructed vision

Travel path

Approaching people

Elevated platform

Seat belts and ROPS

Raising/lowering forks

Safe distance

Source of photos: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

OSHA n.d., https://www.osha.gov/SLTC/etools/pit/operations/index.html

Slow down and sound the horn at locations where vision is obstructed.

Look toward the travel path and keep a clear view of it.

Don’t drive up to anyone standing in front of a bench or other fixed object.

Don’t drive with the work platform elevated.

Use seatbelts with ROPS.

Don’t raise or lower the forks while the forklift is moving.

Maintain safe distance approximately three truck lengths from the truck ahead.

Preventing Hazards

Elevating workers with forklift

Standing on forks

Lifting personnel

Approved lift platform

Restraining means

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

OSHA n.d., https://www.osha.gov/SLTC/etools/pit/operations/index.html

Don’t use a forklift to elevate workers who are standing on the forks.

Only lift personnel with approved lift platform; elevate a worker on an approved lift platform only when the vehicle is directly below the work area.

Whenever a truck is used to elevate personnel, secure the elevating platform to the lifting carriage or forks of the forklift.

Use a restraining means, such as rails, chains, or a body belt with a lanyard for the worker(s) on the platform.

Preventing Hazards

Driving forklift on Grades/Ramps

Use extreme caution

No turns

Tilting and raising load

Point load up the incline

Source of photos: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

Use extreme caution when driving on grades or ramps.

Do not turn on grades or ramps.

On grades, tilt the load back and raise it only as far as needed to clear the road surface.

When ascending or descending grades are greater than 10%, drive loaded trucks with the load upgrade

OSHA n.d., https://www.osha.gov/SLTC/etools/pit/workplacehazards/ramps.html

“When traveling with a load, the load should point up the incline, regardless of direction of travel.

Going up the incline:

Drive forward.

Forks pointed upgrade.

Use a spotter if load blocks the driver's view.

Going down the incline:

Drive in reverse.

Turn head and face downgrade.

Forks pointed up the grade.

NOTE: When walking with a pallet truck with or without a load, the forks should be pointed downgrade, regardless of direction of travel.”

Preventing Hazards

Forklift operating speed

Tip-overs

Turning

Avoiding collisions

Wet and slippery floors

Ascending/descending

Obstructed vision

Source of photos: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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OSHA n.d., https://www.osha.gov/SLTC/etools/operations/manueuvering.html#operating

Driving too fast can cause tip-overs. Slow down when turning.

Forklifts cannot stop quickly; avoid collisions with pedestrians and obstacles by controlling speed so that forklift can be stopped in time.

Slow down on wet and slippery floors, and when ascending or descending grades.

Where vision is obstructed, such as cross aisles or around corners, slow down and sound horn.

Preventing Hazards

Avoiding Excess Weight

Do not exceed weight capacity of forklift.

Center loads and secure to keep from shifting to maintain balance of weight

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

Do not exceed weight capacity of forklift.

Center loads and secure to keep from shifting to maintain balance of weight

OSHA n.d., https://www.osha.gov/SLTC/etools/pit/operations/loadhandling.html

Center load and secure.

Heaviest part of load should be placed nearest the front wheels.

“Do not overload. Know the stated capacity of your forklift and do not exceed it. Only by keeping within the weight limit can you operate the forklift safely.”

“A forklift’s capacity is rated for a specified load center. If the load is off-center, improperly distributed, or oversized, it may exceed capacity and unbalance the forklift.”

Preventing Hazards

Use of Dock Boards for Loading/Uploading

Bridging space

Securing portable dock boards

Handholds for dock boards

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Use appropriate weight-rated platform to bridge space.

Secure portable dock boards so that they will not move.

Ensure that dock boards have handholds or some other effective way to lift, manage, or move them safely.

Preventing Hazards

Exiting the Forklift

Set brake, lower forks/lifting carriage, neutralize controls

Stand-up type forklift

Riding the forklift

No passengers allowed

Exception – seat is provided

Source of photos: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

OSHA n.d., https://www.osha.gov/SLTC/etools/pit/operations/maneuvering.html#mounting

Exiting the forklift:

Hands need to be clean and dry to prevent slipping when grabbing handhold.

Get a good grip on handhold; do not grab steering wheel.

Be careful with footing when mounting or dismounting forklift to avoid slipping; wear appropriate footwear and keep shoes clean and free from grease.

When getting into or out of cab, pull/lower your body; do not jump out of forklift.

OSHA n.d., https://www.osha.gov/SLTC/etools/pit/workplacehazards/pedestriantraffic.html

Riding the forklift:

“The OSHA standard [29 CFR 1910.178(m)(3)] states that unauthorized personnel are prohibited from riding on a forklift. If riders are authorized, a safe place must be provided.

Unless authorized, never carry passengers -- NO RIDERS.

Use only specialized equipment designed to raise personnel.

Never transport employees on a platform. Employees can only be hoisted up and down.

Never transport employees on the forks.”

Preventing Hazards

Avoiding Struck-by/Crushed-by

Don’t jump from an overturning, sit-down type forklift.

Stay with the truck, hold on firmly, and lean in the opposite direction of the overturn.

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Created by OTIEC Outreach Resources Workgroup

OSHA n.d., https://www.osha.gov/SLTC/etools/pit/operations/maneuvering.html.

“For tip-overs on sit-down counterbalanced trucks:

Don't jump. Stay in the forklift.

Hold tight to the steering wheel.

Brace feet.

Lean AWAY from the impact.

Lean forward.

Note: Tip-over procedures for other types of forklifts may vary. For example operators of stand-up forklifts with rear-entry access should step backwards off the forklift if a tip-over occurs.”

Preventing Hazards

Forklift Training – do not operate a forklift without proper training and licensing.

Reporting Damage – any damage or problems that occur to a forklift during a shift should be reported to the supervisor.

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Preventing Hazards

Earth-Moving Equipment

Scrapers

Loaders

Crawlers

Bulldozers

Off-highway trucks

Graders

Tractors

Source of photos: TEEX - Harwood

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Preventing Hazards

Earth-Moving Equipment

Seatbelts

Reverse gear not used unless that piece of equipment has:

Back-up signal alarm or

Signaler

Operator properly trained

Source: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Provide seatbelts; exceptions: equipment is designed for standup operation or equipment does not have ROPS or adequate canopy protection

If equipment has an obstructed rear view, it cannot be used in reverse unless it has a signal alarm.

Employer Requirements

Comply with OSHA standards related to materials handling, including:

Training requirements, including requirements for forklift training.

Inspection requirements

Source of photos: OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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29 CFR 1926.602

Training requirements for operators of powered industrial trucks are located in 1910.178(l).

Per 1910.178(l)(2)(ii), “training shall consist of a combination of formal instruction…, practical training…, and evaluation of the operator’s performance in the workplace.”

Employer Requirements

Comply with manufacturers’ requirements and recommendations for materials handling equipment.

Source : OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Recognizing Hazards

Identify potential hazards and possible solutions:

Source of photos : OSHA

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Left photo: Hazard – protruding wood screws; Solution – remove any protruding objects from wood

Right photo: Hazard – height of lumber pile; Solution – if being manually handled, should not exceed 16 feet high, and lumber piles shall not exceed 20 feet in height.

Recognizing Hazards

Identify potential hazards and possible solutions:

Source: OSHA

Source: TEEX - Harwood

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Left photo: Hazard - Unstable stacked materials; Solution – stack bricks in a manner that will keep them from falling, do not stack them more than 7 feet high, and taper back a loose brick stack after it is 4 feet high.

Right photo: Hazard – poor housekeeping, using work area for storage of materials; Solution – keep work areas free from accumulated materials that cause tripping, fires, or explosion hazards, or may contribute to harboring of pests.

Recognizing Hazards

Identify potential hazards and possible solutions:

Source of photos : TEEX Harwood

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Left photo: Hazard – lifting strap is damaged; Solution – replace lifting strap

Right photo: Hazard – concrete blocks placed vertically on scaffolds can fall and strike someone below; Solution – stack blocks horizontally; prevent materials from falling.

1926.451(h)(1) In addition to wearing hardhats each employee on a scaffold shall be provided with additional protection from falling hand tools, debris, and other small objects through the installation of toeboards, screens, or guardrail systems, or through the erection of debris nets, catch platforms, or canopy structures that contain or deflect the falling objects. When the falling objects are too large, heavy or massive to be contained or deflected by any of the above-listed measures, the employer shall place such potential falling objects away from the edge of the surface from which they could fall and shall secure those materials as necessary to prevent their falling.

Knowledge Check

How old do you have to be to operate a forklift, regardless of training?

b. You must be at least 18 years old to operate a forklift.

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Knowledge Check

One good way to prevent materials handling hazards is to ___.

refuse to allow personnel to ride equipment without a seat and seatbelt

report all damaged equipment immediately

operate within manufacturer’s specifications

All of these.

d. All of these are good ways to prevent materials handling hazards.

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Knowledge Check

Which of the following is a method for eliminating or reducing crane operation hazards?

Operators should know how much they are lifting as well as the rated capacity of the crane.

A competent person should visually inspect the crane once a year.

Never exceed the load limit by more than 10%.

All of these.

a. Crane operators should know how much they are lifting and the rated capacity of the crane.

PPT 10-hr. Construction – Materials Handling v.05.18.15

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Knowledge Check

Employers must comply with OSHA standards related to materials handling, including training and _____.

equipment

operations

inspection

All of these.

c. Employers must comply with OSHA standards for training and inspection.

PPT 10-hr. Construction – Materials Handling v.05.18.15

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