Overhead Cranes-Cab Controlled C31

DESCRIPTION

Unit Standard (SAQA Reg. No 116231)

What is an overhead crane? Commonly called a bridge crane, and is a type of crane found in industrial environments.

An overhead bridge crane is a configuration of a single girder or double girder design. In simple terms, a bridge girder, or beam, is the support structure that allows the operator to move trolley and hoist from side-to-side along the bridge. The trolley is used to precisely position the hoist prior to raising or lowering a load in a safe work manner.

Cab overhead cranes is an encased setup with glass panelled flooring for operator to view the cargo from above whilst being moved.

Unlike mobile or construction cranes, Cab overhead cranes are typically used for either manufacturing or maintenance applications, where efficiency or downtime are critical factors.

Operators who are not adequately trained in the Cab controlled overhead crane operations are at great risk of injury or death. Training is a vital issue and DMR 18(11) prohibits the operation of Overhead cranes by untrained persons.

Successful candidates credited with this unit standard are able to:

Demonstrate knowledge of the functions of a cab controlled overhead crane
Identify the safety and suitability of the crane
Apply the recognised methods for inspecting and recording the operational fitness of all components of the crane
Operate a cab controlled overhead crane

COURSE DURATION:

Novice: 5 Days
Refresher: 1 day

NQF LEVEL: 2

CREDITS: 8

Quality Assured Partner: Transport Education And Training Authority

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Category: TETA Courses

Detailed Information

Description

Cab Controlled overhead Crane Learning Outcomes

Learners who master the applied competence described in this course will contribute to the development of a professional community of Civil Engineering Construction Crane Operators who are able to competently use science and technology when applying operation techniques. Demonstrating an integrated practical and theoretical grounding in Crane Operations according to safe handling and maintenance practices in compliance with crane manufacturer’s and legislated standards. The area of focus of this programme will be;

Module 1

Programme Introduction

Unit Standard Information

Legislative Requirements

General Duties Of Employers To Their Employees
General Duties Of Employers And Self-Employees Persons To Persons Other Than Their Employees
Driven Machinery Regulations (DMR 18)
Managerial Responsibility

Legislation Applicable To Employees

General Duties Of Employees At Work

Module 2

Cranes Defined

Definition

Jib Crane
Lifting Tackle

Crane Codes

Attachments & Special Operations

General View Of A Cab Controlled Overhead Crane

Module 3

Principles Of Crane Operations

Principles Of Leverage

Levers Defined
Classification of Levers
The Law Of Moments

Data & Capacity Plates

Understanding The Rated lifting Capacity of Overhead Cranes

Module 4

Cab Controlled Overhead Crane Components

Lockouts & Lockable Isolation switches
Interlocking Devices
Practical Sessions
Main Hook And Block
Auxiliary Hook Block & Hook
Anti-Two Block Safety Device

Below The Hook Lifting Devices

Crane Magnets

How A Crane Magnet Works
Safety Guidelines
Operation & Inspection Information
Maintenance & Handling Information
Actual Capacity Value
Important Information

Lifting Beams And Spreader Bars

Instructions For Use
Selecting The Correct Lifting Beam
Storing And Handling Lifting Beams

Safe Use Of Lifting Beams

In-Service Inspection And Maintenance
Other Attachments

Module 5

Daily Inspection For Cab Controlled Overhead

Cranes Inspections-Pre-Start Checks

Personal Protective Equipment
Main Isolator
Support Beam/Structure
Pillars
Service Platform
Hand Railing
Long Travel Unit (Gantry) Structure
Long Travel Girder(S)
End Stops/Buffers
Long Travel Unit
Crab Structure
Crab Rails
Monorail Single Carrying Beam/Swing Beam
Joints
Cables
Cable Glands
Cable Brackets/Hold Down Clamps
Panel Box
Insulated Rails/Buzz Bars
Panel Handle
Earth Connection
Key Switch
Selector Switch
Controls
Hoist Drive Motor
Hoist Gear Box
Hoist Gear Box Oil Level
Hoist Gear Box Breathing Plugs
Hoist Brake
Over Lowering Limit Switch
Over Hoisting Limit Switch
Ultimate Limit Switch (Where Applicable)
Hoist Rope
Hoist Rope Guide
Rope Securing Device
Hoist Drum
Main Hoist Hook
Auxiliary Hoist Hook
Hook Block(S)
Safety Catches
Sheave Wheels
Cross Travel Unit
Cross Travel (Crab)Drive Motor
Cross Travel Gearbox
Cross Travel Gear Box Oil Level
Cross Travel Gearbox Oil Breathing Plugs
Crab Travel Gears
Grease Point On Pinion And Gears
Cross Travel Wheels
Cross Travel Brake
Cross Travel Limit Switch (Where Applicable)
Long Travel Unit
Long Travel Wheels
Long Travel Drive Motor
Long Travel Gearbox
Long Travel Gearbox Oil Level
Long Travel Gearbox Oil Breathing
Long Travel Brake Plugs
Long Travel Limit Switch (Where Applicable)
Weather Covers
Cable Reel Cable Reel Drive Motor
Cable Reel Drive Gearbox
Cable Reel Gearbox Oil Breathing Plugs
Cable Reel Drive Belt(S)
Cable Reel Drive Pulleys
Load Limit Device
General Condition Of Overhead Crane
No Obstruction Under Crane
Operator’s Cabin

Operational Checks (The Cabin)

Operator’s Seat
Hydraulic Controls

Long Travel Brake Test

Cross Travel Brake Test

Hoist Brake Test (Lowering)

Hoist Over Lowering Limit Switch Test

Hoist Over Raising Limit Switch Test

Operator’s Daily Checklist: Overhead Crane

Cab Controlled Overhead Crane Operational Procedures

Module 6

Freight Handling

Duty To Inform

Identifying And Classifying Freight

Material Safety Data Sheets (Documentation)
Employer Responsibilities
Sections Of The MSDS’s And Their Significance

Labelling: Dangerous Goods & Substances

Toxic And/Or Corrosive (Combustible) Substances
Radioactive Material (Low To High Level Radiation
Flammable Liquids (Polar/Water-Miscible) Potential Hazards
Flammable Solids-Toxic And/Corrosive Potential Hazards
Substances-Spontaneously Combustible-Toxic (Air-Reactive) Potential Hazards
Substances-Water-Reactive (Emitting Flammable And Toxic Gasses
Oxidizers (Unstable) Potential Hazards
Organic Peroxides (Heat And Contamination Sensitive/Temperature Controlled Potential Hazards
Substances-Toxic (Non-Combustible) Potential Hazards
Infectious Substances Potential Hazards
Mixed Load/Unidentified Cargo Potential Hazards
Gases-Inert Potential Hazards
Gases-Flammable-Corrosive Potential Hazards
Gases-Oxidizing (Including Refrigerated Liquids) Potential Hazards

Labelling Symbols

Safety Colours And Symbols
Typical Signs: Examples

Module 7

Rigging And Slinging

Lifting Tackle

Driven Machinery Regulation (DMR 18)

Determining Load Weights

Weight Tags
Waybills
Known Quantity
Test Picks

Centre Of Gravity

Location Of The Load (COG)

Estimating The Centre Of Gravity

Finding The COG By Using Known Weight
Finding The COG By Weighing The Load

Chain Slings

Selecting A Chain For The Job
Chain Slings-Types
Using Chains And Chain Slings Safely And Correctly
Chain Working Load Limits
Chain Inspection
Chain, Chain Slings, Hooks And Shackles-3 Monthly Inspection

Wire Rope Slings

Wire Rope Slings-Types
Using Wire Ropes Safely And Correctly
Causes Of Deterioration
Wire Rope Working Load Limits
Wire Rope Inspection
Calculations
Fibre Ropes, Steel Wire Ropes, Slings, Hook And Shackles-3 Monthly Inspection

Polyester Webbing Slings

Types Of Polyester Webbing Lifting Slings
Polyester Webbing Sling Properties
Selection, Safe Use And Maintenance Of Polyester Slings
Safe Working Load (SWL) Of Polyester Slings
Recommendation For Inspection Of Polyester Slings For Detection Of Damage

Rigging Attachments

Eye Bolts And Ring Bolts

Lifting With Eye Bolts
Alignment Of Eye Bolts
Safe Working Loads Corresponding To Angle Of Pull

Shackles

Alloy Bow Type Shackles
Large Dee With Screw Collar Pin Galvanised

Crosby Clamps

Green Pin-U.S. Fed Specification
Commercial
Recommended Methods Of Applying Crosby Clamps
Rope Clips
Incorrect Methods Of Applying Wire Rope Clips

Turnbuckles

Eye One End Hook Other End

Thimbles

Ordinary Galvanised
Standard Commercial Galvanised

Hooks

Hook Inspection

Wire Rope Blocks

Calculation: Parts Of Line Required

Rope Reeving

Symmetrical (Balanced) Reeving
Eccentric (Unbalanced) Reeving

Slinging General Information

Eccentric Loading

Slings And Safe Working Load Sling Configuration

Single Vertical Hitch
Bridle Hitch
Single Basket Hitch
Double Basket Hitch
Double Wrap Basket Hitch
Single Chocker Hitch
Double Chocker Hitch
Double Wrap Chocker Hitch
Endless Slings Or Grommet Slings

Sling Angles

Effect Of Sling Angle On Sling Load

Wind Loading

Beaufort Wind Scale For Use On Land

Module 8

Operator’s Communication (Standard Hand Signal)

Requirements For Hand Signals

Start & Stop
Selection Of Hoists
Raising And Lowering Of Hook
Movement
Travel Of Crane
General Movement
Overhead Crane Horn (Hooter) Signals

Two-Way Radio

Semaphore Flag Signal

Module 9

Cab Controlled Overhead Cranes: General Safety

General Safety Regulation

Cab Controlled Overhead Crane Safe Operational Responsibilities

Site Supervision
Crane Operational Responsibilities

Cab Controlled Overhead Crane Safety Rules

Before Operation
Hazards Associated With Overhead Cranes And Lifting Equipment

Risk Control Situations

General
Selection
Inspection
Disposal
Storage
Fibre Rope Slings

Emergency Response

Care And Maintenance Of Your Fire Extinguishers

Fire Extinguisher Inspection
Fire Extinguisher Maintenance
How A Fire Extinguisher Works

Types Of Fire Extinguishers
How Fire Works
Basic Fire-Fighting Tips
How To Fight A Fire Safely
Never Fight A Fire When
What To Do When Your Clothes Catch Fire

.Entry level requirements into this programme?

All new entrants intended under this code (Novice or Re-licensing) shall provide training institution with the required documents as specified under the National Code Of Practice (NCOP No 43835) Promulgated 23 October 2020

An employer declaration or medical certificate confirming the medical fitness of the learner to undergo the intended training
An eye test results issued by a person trained to carry out such tests
All new entrants intended under this code will be required to hold at least a Grade 9 (Std 7) school certificate
Learners shall provide training institution with a valid certified copy of his/her Identity Document
Employers must provide a valid copy of the Cab Controlled Overhead Crane Load Test Certificate