Upgrading Skills for Riggers

8/3/2019 Upgrading Skills for Riggers

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UPGRADING SKILLS FOR RIGGERS

I. Objective To upgrade the competency of local semi-skilled Riggers with a minimumof only 3 years local experience.

II. Minimum Competency Entry Level Must have a basic competency on Rigging.

III. Upgrading Competency Must be able to perform tasks such as inspecting andinstalling rigging gears, and guiding crane operators in construction sites or otherlocations.

IV. Methodology:

A. Classroom Work Basic knowledge in rigging.

CATEGORIES A B CNUMBER OF HOURS 8 16 24

Course Topic:

1. Safety practices.

PPE hardhat, safety glasses, hearing protection, full body safetyharness.

OHS procedures for controlling hazards / risks in workplace noise,ventilation, illumination, impact, pressure, noise, temperature,radiation, and biological and chemical hazardous materials.

Dealing with workplace accidents, fire and emergencies

Assistance in the event of a workplace emergency.

Control of heavy lift rigging equipment and rigging work execution. Fall protection devices including safety belts, lifelines, lanyards, and

safety nets. Requirements for signaling, barricading, electrical lock-out, tagging,

rigging, scaffolding; safe use of material handling equipmentincluding rope, slings, chains, shackles, and hooks; hand tools,power operated tools, abrasive wheels and tools, and jacks; weldingand cutting outfit; requirements for fire prevention; material inspectionfor damage or flaws that might cause injury during installation.

Potential hazards in underground obstructions such as existing

utilities, energized electrical cables and process lines; inadequateslope or shore or trenches or excavations; work in tight or crampedquarters.

Materials handling, storage, use, and disposal. Hot work permits. Confined space entry permits.


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2. Rigging procedures.

a. Light lifts.b. Medium lifts.c. Critical, heavy lifts and heavy haul.d. Rigging plans.e. Rigging calculations.

f. Tools

Hand and power.g. Cranes, derricks, hoists, elevators, and conveyors.h. Motor vehicles, mechanized equipment, and marine

operations.i. Steel erection.

j. Power transmission and distribution.

3. Basic engineering principles,

a. Trigonometric functions.b. Center of gravity.

c. Slings.d. Basket hitches and D / d ratio.e. Sling angle.f. Birdies and center of gravity.

4. Cranes.

a. Mobile cranes.b. Carriers.c. Fixed, static-based cranes.d. Rough terrain cranes.

e. All terrain cranes.f. Truck-mounted telescopic cranes.g. Lattice boom truck-cranes.h. Crawler-mounted lattice boom cranes.i. Crane attachments:

Tower attachment. Ringer attachment. Superlift / maxilift attachments. Sky horse attachments. Lampson transi-lift.

5. Crane stability and load ratings.

a. Tipping load and conditions.b. Tipping fulcrum location.c. Crane loads to the supporting surfaces.d. Center of gravity calculation.e. Bearing reactions.f. Matting.g. Crane support and foundation requirements.


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h. Soil pressure considerations.i. Bearing capacity.

j. Anchorage.

6. Crane safety and selection.

a. Boom angle indicator.

b. Drum turning indicator.c. Empty or overfill drum indicator.d. Over hoisting indicator.e. Over hoisting limiter.f. Over booming limiter.g. Load indicator device.h. Load moment indicator.i. Rated capacity limiter.

7. Rigging components.

a. Slings and hitches.b. Suspended load.c. Single vertical hitch.d. Basket hitch.e. Reverse basket hitch and single length double basket hitch.f. Choker hitch.g. Wire rope sling configurations.h. Wire rope sling body construction.i. Wire rope clips.

j. Wire rope cores.k. Wire rope sling length.

l. Wire rope sling strength.m. Testing wire rope slings.n. Chain slings.o. Metal ( wire ) mesh slings.p. Synthetic webbing slings.q. Fiber ( manila-nylon-dacron-polypropylene ) rope slings.r. Polyester and kovlar round slings.

8. Ancillary components.

a. Drums.

b. Drum capacity.c. Fleet angle.d. Sheaves.e. Blocks.f. Center pin.g. Block selection.h. Inspection of blocks.i. Rigging of a block.

j. Hooks.


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k. Pins.l. Shackles.m. Load attachment devices.n. Eye bolts and swivel eyes.o. Design of lifting lugs.p. AISC design parameters for tension members.

9. Special lifting methods.

a. Jacking and cribbing.b. Hydraulic pumps.c. Rollers.d. Hydraulic gantries.e. Pole lift systems.f. Strand jacks.g. Hoisting systems.

10. Trailers and truck tractors.

a. Tractive effort.b. Vehicle speed.c. Gradeability.d. Road rolling resistance.e. Grades, slopes, and grade resistance.f. Tire loaded radius.g. Axle ratios.h. Lowbed / winch tractor.i. Tractor axle loadings.

11. Heavy hauling transportation.

a. Multi-axle hydraulic platform trailers.b. Self-propelled multi-axle hydraulic transporters.c. Low-bed / multi-axle transporters.d. Crawler transporters.e. Schnabel cars.f. Load stability.g. Payload support locations.

12. Barging.

a. Flat deck barge selection requirements.b. Draft and trim.c. List, transverse angle.d. Ballast requirement.e. Intact stability requirement.f. Damaged stability requirement.g. Barge motion and forces.h. Forces due to roll.i. Forces due to pitch.


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j. Forces due to heave.k. Sea fastening.l. Roll on and roll off operation.

13. Rigging plans for heavy lifting ( HL ) and / or heavy hauling ( HH ).

a. Equipment and method selection.

b. Rigging requirements.

B. Skills Training:

CATEGORIES A B CNUMBER OF HOURS 8 16 24


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1. Inspect snatch blocks, fittings, slings ( wire rope / chain / synthetic ) andfasteners for excessive wear, visual damages and modifications.

2. Install latches, bearings, locking devices, wire rope clips, wedge sockets.

3. Identify sizes, grades, rated capacities and manufacturer.

4. Demonstrate understanding of the workload limit of the slings / blocks /fittings.


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5. Demonstrate understanding of the workload limit of the slings / blocks /fittings.

6. Demonstrate understanding of the condition of rigging gear.

7. Demonstrate understanding of proper handling and storage of rigginggears.

8. Demonstrate knowledge of controlled risk procedures.

9. Demonstrate knowledge of various load factors.

10. Demonstrate knowledge of limitations of slings, blocks and fittings.

11. Identify and demonstrate usage of specific rigging gears.

12. Evaluate load determine center of gravity, load weight and lifting point.

13. Select and connect slings and hatches.

14. Determine and observe load limits of rigging gears.

15. Determine and achieve load control ability.

16. Demonstrate correct procedures in installing rigging gears.

17. Interpreting correctly the rigging chart.

18. Ability in using various combinations of rigging gears.

19. Establish appropriate communication signals with crane operator byusing radio or hand signals.

20. Guide crane operator in handling the load.

21. Unusual loading or environmental condition is anticipated andcommunicated with the crane operator.

22. Distances, heights and clearances in the work areas are assessed andcommunicated with the crane operator.

23. Providing tagline to achieve loads stability.

24. Total lift of load is communicated to the crane operator.

25. Traveling path of load is directed based on the assessed environmentalhazards.

26. Demonstrate understanding of rick-control procedures.


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V. Examination One ( 1 ) hour for all categories.

1. Enumerate rigging safety practices ( List at least 10 ).2. Explain and enumerate rigger specific duties ( List at least 10 ).3. Perform the following hand signals: a) Emergency stop b) move slowly c) raise

boom d) lower boom e) hoist f) lower g) use main hoist h) use whip.4. Explain while lifting what are the safety measures.

5. Explain how to calculate the load sizes and the lifting capacities of the rigging gears.6. Explain how to inspect hooks, shackles and chains.7. Explain how to communicate with the crane operator.8. Explain how to tie slings and chokes.9. Explain how to maintain wire ropes.10. Explain the causes and prevention of damages in wire ropes.11. Explain what the different types of rope knots.12. Explain and discuss the following miscellaneous rigging gears: a) synthetic web

slings b) ropes c) wire ropes d) hooks e) shackles f) tuggers13. Explain the procedure on how to seize wire ropes.14. Explain the causes of wire rope failure.15. Explain the proper installation of ropes sockets.16. What are the strands in a wire rope wound around?17. What is the first thing to determine before beginning any rigging operation?18. Wire ropes should only be cut after what preparation?19. Shake-out hooks are best suited for what equipment?20. What method is used when transferring wire ropes from a reel to the drum of a

crane?

VI. Duration

CATEGORIES A B CCLASSROOM WORK, HRS. 8 16 24SKILLS TRAINING 8 16 24EXAMINATION 1 1 1TOTAL, HRS. 17 33 49

VII. Number of trainees per batch 25.

MAXIMUM TRAINEES PER MONTHCATEGORIES

A B C

50 50 50


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VIII. Costs

CATEGORIES A B CAMORTIZATIONPOWERCONSUMABLESTRAINER / STAFF

CONTINGENCIESTOTAL ACTUAL COSTSQUOTED COSTS


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Revision: 0 January 9, 2010 Page 7

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Upgrading Skills for Riggers