Ipts crane and rigging manual pdf free download

Register a free 1 month Trial Account. Download as many books as you like Personal use Cancel the membership at any time if not satisfied. Join Over Happy Readers. Reply 1 Like Follow 1 hour ago. Markus Jensen I did not think that this would work, my best friend showed me this website, and it does! I get my most wanted eBook Reply 2 Like Follow 1 hour ago.

Michael Strebensen wtf this great ebook for free?! Reply 2 Like Follow 48 minutes ago. Hun Tsu My friends are so mad that they do not know how I have all the high quality ebook which they do not! Reply 2 Like Follow 3 hour ago. Up behind and through C Down behind and through. Up to the stationary block and becket off for 12 parts, as in illustration The natural fibre rope is derived from plants and the synthetic fibre rope is made from chemicals.

Natural Fibre Rope The length of the fibres in natural fibre rope is at most a few feet and the effectiveness in this state is very limited. The fibres are first twisted into yarns, these are laid up into strands, and finally three or more strands are formed into a rope, as in illustration Construction Uses The only type of natural fibre rope that is used in the construction industry is Number One Grade Manila.

The other types of natural fibre rope are not strong enough or deteriorate too quickly. It is recognized by its light yellow color. As the grade and strength decreases, the color darkens. A low grade Manila is dark brown. The minimum breaking strength of a one inch diameter manila rope is 9, pounds 4 kg. Hemp Hemp is the strongest of the natural fibre ropes.

It deteriorates quickly when wet. It will stand exposure to sea water. Coir Coir is made from coconut husk fibres. Very elastic and about one quarter the strength of hemp. It will float on water. Fibre Rope Types Synthetic Fibre Rope Synthetic ropes have individual threads and fibres that run continuously through the rope.

All synthetic ropes have a common charac- teristic and thatis a resistance to rot, mildew and more strength than natural fibre rope. Nylon Nylon is the strongest rope available. It will absorb greater shock load than any other and outlast all natural fibre ropes by a wide mar- gin.

Nylon is flexible, has high abrasion resistance, can be stored wet, resists most alkalis and organic solvents. It will not rot. Nylon rope is ideal for anchor lines, cou- plers, hawsers, tie-up lines, safety and mountaineering ropes. Itis also widely used in commercial fishing.

Polyester is not as strong as nylon, but it is twice the strength of Manila, It stretches far less than Nylon but slightly more than Manila. It has excellent resistance to abrasion, chemicals and weathering. Polyester ropes are recommended wherever minimum stretch, high strength and durability are needed. Polypropylene Polypropylene is the lightest, most econom- ical and widely used, rope on the market.

Strength is far greater than Manila. Other characteristics are long life, ease of han- dling, flexibility in cold temperatures, excel- lent resistance to most acids and alkalis and very good impact loading. And it floats!

It is supplied in many colors and color combina- tions. Uncoiling Rope A new coil of rope should be laid flat, with the inside rope end on the floor. Reach down inside and pull the rope up through, unwind- ing it in a counter clockwise direction, as in illustration These must be removed to prevent damage. Loop the rope over your arm and tie with two half hitches. Leave a short end for carrying or hanging from a peg, as in illustration Inspect the outer surface for broken yarns or fibres, then untwist the strands and observe the inside.

On manila rope, look for a bright yellow color to indicate good quality. Broken fibres or powder inside a rope indi- cates the rope has been overloaded. The interior yarns of an overloaded rope will fail first.

With a natural fibre rope, pull outa fibre and try to break it, if it breaks easily the rope has been overloaded or affected by mildew or dry rot. In northern regions one must be careful not to allow natural or synthetic fibre rope to freeze.

This causes the separation of yarns and fibres. A frozen rope should not be dis- turbed until it has thawed. Exposure to sunlight will deteriorate a natu- tal fibre rope over a period of time.

For other uses the safety factor is 5. Safety factors are used to allow for the reduced capacity of rope due to normal wear, including exposure to sun and moisture, or the extra load imposed by jerky lifting and stopping. Manila rope will fail with a continued load as the rope fibres do not run the full length of the rope. They are intertwined and will pull apart under load.

Manila rope guylines should be slack- ened off if they become wet as manila swells and becomes shorter. Safe working load This formula gives a safety factor of 5 to 1. Note: This formula is not accurate In sizes larger than 1 inch There should be three tucks in each strand when using natural fibre rope and five tucks when using synthetic fibre rope. Trim the ends after completing the tucks.

Whip the ends of the strands, then A bring them together so they interlock with a strand from one rope between two strands of the other rope, as in illustration A. The ends can now be feath- ered out with several more tucks, then roll the splice to smooth it out, as in illustra- tion E. Bring the ropes together with the strands interlaced, as in illustration A. All eye splices used for lifting should have a metal or nylon thimble. Cut away the remaining strands through the last remaining strand on the and roll the splice on the floor under foot rope, 6, as in illustration C.

The bowline on the bight is used to form a Itneverjamsorslips underloadandiseasily non slipping eye in the middle of a rope. See untied. See illustra- illustration The correct procedure to tie a Span- rescue knot as the loops are adjustable. It can be tied in position or slipped The knot is made around the standing part over the end, as in illustration The correct procedure to tie a run- ning bowline is indicated in illustration The load must have a steady pull falls, as in illustration A self centering bowline is used to complete the knot, as in illustration This knot is often misused or is not tied properly.

It must only be used to tie the two ends of a rope together. Do not use it as a bend for joining two ropes. This The hoisting strain is then placed on the center of the block. The two blocks should be positioned with the sheaves in the upper block at right angles to those in the lower block, see illustration Itls good practice to use the shackle block as the upper one of the pair and a hook block as the lower.

A shackle Is stronger than a hook of the same size. The strain on the upper block is much greater than the lower one. A hook is more convenient on the lower block as It can be more readily attached to or detached from the load. Block Friction Do not have more than eight parts of line when using fibre rope blocks. After eight parts, the increased friction becomes greater than the theoretical mechanical advantage gained by adding more parts of line.

This is indicated in the following example of dynamic loading. Line 3 Ibs. This load increase is due to friction. To determine weight, use all the Copper 8 information available, such as drawings, tron 7 erection plans, shipping bills, parts man- Lead See tables 39 - 42 for approxi Gasoline i be mate weights. Corrugated — 12 G.

Pte Example: 4 ft. Measure thickness to get wt. Measure neutral diameter 3. Convert circumference to feet use table 8. Pipe Weight Example 6. Yhy 7, 55ft. S8t ibs. Ibs 18, 18,] t. Do not shorten slings by using knots or bolts. Sling legs shall not be kinked. Slings shall not be overloaded. Slings used in a basket hitch shall have loads balanced.

Securely attach slings to the load. Slings shall be protected from sharp edges of the load. Keep all obstructions away from suspended loads. Keep all personnel away from lifted or about to be lifted loads. Keep hands away from between load and sling. Shock loading is prohibited. Do not pull a sling from under a load resting on the sling. Inspect slings before use. Alloy steel chain slings shall have permanently attached identification stating size, grade, rated capacity, and reach.

Makeshift links or fasteners shall not be used. Before use, each repaired alloy chain sling shall be proof tested to the manu- facturers recommendations. Worn or damaged chain slings shall not be used.

Welding and heat treatment shall be to the manufacturers specifications. The center core of a wire rope can be made of either , OF 2.

Due to its tendency to untwist, which wire rope should NOT be used on single part hotsting lines? IWRC has higher breaking strength b. List at least two things to check when inspecting wire rope for damage: a.

Corrosion of wire rope is usually caused from: a. What type of oil can be used to lubricate a wire rope? Answer: To avoid kinking a wire rope when removing it from the shipping reel, it is essential the reel as the rope unwinds. A hoist drum is an overwind type using right lay wire rope.

Where is the rope connected in relation to the hoist operator standing behind the drum? What is the minimum safety factor used with slings? Can it be assumed that a 4 leg bridle will carry the load weight equally on all 4 legs? When slinging a bunale of pipe or tubing which hitch provides maximum contact between sling and load? A sling wrapped around a rectangular load in a basket is rated at the full basket hitch Safe Working Load.

List three possible defects that could justify removing synthetic web slings from service. At what angle to the horizontal will the stress on each sling leg using two slings be equal to the load weight?

When using the recommended safe lifting angle, determine the distance between the lit points on the load using two 12 foot chokers. Sudden movements or shock loading when raising or lowering a load will the stress on the rigging hardware. List three factors to consider when preparing to make a it refering to the object to lifted.

Can the standard sling stress formula be applied to a non-symmetrical load lifted with 2 sling legs? An engineer should always be consulted before using a high line to lift a load inside a building? Proper rigging attachments should be the forged type with the and SWL.

Referring to the chart on page 60 how many U-Bolt clips would be necessary to make an eye ina 7 inch alameter wire rope. Shackle pins are always in diameter than the rated size of the shackle itself. A wedge socket must be attached with the load line pulling in a straight line from the: a. There is a standard accepted rule for securing the wire rope end protruding from a wedge socket a.

Which type of eye bolt should be used if there is any possibility of an angular load? Custom fabricated lifting beams or any homemade lifting device should be: a. A matched set of chain slings that has one leg longer than the others is likely an indication of: circle all correct answers a. To safely increase the capacity of a Come-A-Long a snipe no longer than two fest can be us a.

The rule of thumb minimum for wire rope to sheave ratio is. The main advantage of a snatch block is: a. A single block hoisting assembly has a leadline pull of pounds. If the lines are parallel to each other what is the load on the block? What is used to easily calculate the required number of parts of line in a block assembly if the load weight and the drum pulling capacity is known?

The most commonly used grade of natural fibre rope is: a. Knots tied in fibre rope reduce the strength by approximately: a. Which splice is used when forming an eye in fibre rope? The knot used as a rescue knot is: a. Spanish bowline d. It is also often operated by untrained operators. This section on EOT cranes will discuss operations, safety awareness, pre-opera- tion inspections, and preventative mainte- nance.

These are very important points to help prevent down time and operator error. This will also help to prevent damage to the crane, to the material being handled, and to help prevent accidents that occur due to improper operation while moving materials from one location to another.

I Classifications With training and proper instruction, the crane operator is a valuable asset to the company and fellow workers. Operator safety and the safety of others depends on the training and experience of the operator. Very few high capacity cranes are rated higher than class B at the main hoist. Class A1 Standby Service : This crane is used for exact positioning of machinery components.

It operates at slow speeds, and usually sits idle for long periods between maintenance jobs. There was no time to stop and institute a search for sturdy stems and safe handholds. His fate was in the hands of chance and with the realization he gave a final spurt and running catlike up the side of the wall among the vines, sought with his hands for something that would sustain his weight.

It was dark and she could see but little, nor any sign of the English officer or the ape-man. The man who seized her kept the lions from her with what appeared to be a stout spear, the haft of which he used to beat off the beasts. Glerum This fully indexed third edition remains the only book in any language that covers the design, operation, and maintenance of stage-rigging equipment.

Structural Design for the Stage-Alys Holden The follow-up to the Golden Pen Award-winning teleobjetivo para sony alpha manual Therefore, it falls on a different day every year on the Western calendar. Crane Rigging Manual. Permission has beenreceived from the American Society of Mechanical Engineers to use and reproduce portions ofstandards relating. Permission has been received from the American Society ofMechanical Engineers to use and reproduce portions ofstandards relating to crane operation.

Books and Manuals. Headley, James. Klinke, Jerry A. Open navigation menu. Close suggestions Search Search. User Settings. Skip carousel. Carousel Previous. Uploaded by: Alvaro Sarabia Rodriguez; 0; 0. July ; PDF. Bookmark; Embed; Share; Print.