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Gantry Cranes C30/31

DESCRIPTION

Unit Standard SAQA Reg. No 242976)

What is a Gantry Crane? A gantry crane is a crane built atop a gantry, which is a structure used to straddle an object or workspace. They can range from enormous “full” gantry cranes, capable of lifting some of the heaviest loads in the world, to small shop cranes, used for tasks such as lifting automobile engines out of vehicles. They are also called portal cranes, the “portal” being the empty space straddled by the gantry.

However a gantry crane is similar to a bridge crane, but instead of moving on suspended runways, the crane uses legs to support the bridge, trolley, and hoist. These legs travel on rails that are embedded in, or on top of the floor or ground structure.

If a crane operator is trained properly, pendant and radio controls can both be perfectly safe methods for controlling and operating a crane. Training is a vital issue and DMR 18(11) prohibits the operation of gantry cranes by untrained persons.

Successful candidates credited with this unit standard are able to:

  • Demonstrating knowledge of the functions of a crane.
  • Identifying the safety and suitability of the crane type prior to utilization.
  • Inspecting and recording the operational fitness of the components of a crane.
  • Operating an overhead crane in a safe and competent manner.
  • Accessing available support systems and emergency services in case of incidents and accidents

COURSE DURATION:

  • Novice: 5 Days
  • Refresher: 1 day

NQF LEVEL: 2

CREDITS: 5

Quality Assured Partner: Transport Education And Training Authority

Category:

Description

Gantry Cranes Learning Outcomes

The person credited with this course is able to understand the functions, safety and suitability of the crane prior to utilization in the freight handling industry. Learners are also able to inspect and record the operational fitness of the components of a crane and be able to access available support systems and emergency services in case of incidents and accidents while operating a overhead/gantry crane. The area of focus of this programme will be;

Types of Cranes

  • Attachments

Parts & Functions

Basic Gantry Crane Parts

Types Of Gantry Cranes

Hand Controls

Joystick Controls (Hand Held & Cab)

Crane Safety

Operator Responsibilities

Crane Safety Inspections

National Code Of Practice For The Evaluation Of Training Providers Of Lifting Machine Operators

Daily Checks: Pre-Start Checks

  • Trolley Assembly
  • Daily Pre-Start Checklist
  • Example – Operator Controls
  • Start Up Checks

Shutting Down The Crane

  • Normal Procedure

Principles Of Operation

  • The Gantry Crane Works On The Principles Of A Pulley.
  • Centre Of Gravity
  • Stability
  • Side Loading
  • Wind Loading
  • Load Swing
  • Use Of Taglines

Mechanical Appreciation

  • Systems
  • Drive Units
  • Gearboxes
  • Complete Trolley Assembly
  • Travel Carriage
  • Wheel Blocks
  • Buffers
  • End Trucks
  • Rails
  • Hoisting Gear

Operator Controls

  • Crane Control System
  • Safety Devices
  • Electrical Systems
  • Troubleshooting

Crane Load Capacities

Rigging Principles

  • Wire Rope
  • Construction
  • Rope Lay
  • The Rope Core
  • Rope Descriptions
  • Rope Inspection
  • Non Spin Rope

Fitting A New Rope

  • For Left Lay Rope (Use Left Hand)
  • For Right Lay Rope (Use Right Hand)
  • Crane Wire Rope Inspection

Chains

Reeving

  • Symmetrical Reeving
  • Sheave Use And Inspection
  • Hooks
  • Hook Loading

Shackles

  • Parts
  • Types
  • Shackle Safety Checks
  • Selecting Shackles
  • Information Essential When Considering Shackles
  • Safe Use Of Shackles

Eyebolts

  • Types
  • Safe Working Loads
  • Installation And Safety
  • In Line Loading
  • Angular Loading
  • Operating Safety

Turnbuckles – Types

Safety Checks

  • Swivel Hoist Rings
  • Wedge Sockets
  • Wire Rope Clamps

Wire Rope Splicing Procedures

  • Steel Wire Rope Slings And Slinging “Do’s”
  • Steel Wire Rope Slings And Slinging “Dont’s”
  • Sling Safe Mass Load In Tons Using A Factor Of 6:1
  • Safe Mass Load Of Tw0-Legged Steel Wire Rope Slings In Tons Using A Factor Of 6:1

Crane Signals

Operating Procedures

  • Check The Lift Is Within The Capacity Of The Crane
  • Set Up The Crane For The Lift
  • Perform The Lift
  • During The Lifting Operation

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 or Pendant Controlled Overhead Crane Load Test Certificate
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