Load Chart Exercise Workbook

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Alexandra Wilkinson
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1 Load Chart Exercise Workbook (508) Copy Right 2017

2 For Exam Use Only

3 BRODERSON IC-80-2D RATED LIFTING CAPACITIES IN POUNDS LOAD RADIUS IN FEET ON RUBBER 9,500 8,500 6,000 4,150 3,025 2,350 1,850 1,550 1,300 1, SECTION BOOM ON OUTRIGGERS 17,000 14, ,700 6,550 5,550 4,450 3,950 3,250 2,875 2, FT BOOM EXTENSION INSTALLED ON RUBBER 7,000 6,000 5,000 4,000 3,275 2,600 2,125 1,800 1,525 1,275 1, ON OUTRIGGERS 7,000 6,000 5,000 4,000 3,450 3,050 2,700 2,250 2,250 2,250 2,250 2,250 2,000 1,775 1,625 1,400 NOTES Capacities on outriggers are 85% of tipping loads. Capacities on rubber are 75% of tipping loads. Capacities below bold line are limited by tipping. Other capacities are limited by structural or hydraulic capability. Deck capacity 12,000 lb (centered over axle). Personnel bucket capacity, outriggers extended, 300 lb per bucket, 600 lb total. The booms on this unit are all steel and have no line voltage rating. Maximum hydraulic pressure is 3,000 psi. Deduct 120 lb from all "on rubber" capacities when boom extension is stowed on base boom. All capacities apply to operation on firm level surfaces. The load hoist line on this unit must be 9/16" diameter 6 x 37 IWRC EIP wire rope or equivalent with a minimum breaking strength of 31,500 lb. Use single part load line for loads to 9,000 pounds. Use two part load line for loads to 17,000 pounds. Operation: 1. Read and understand owners manual before operating the crane. 2. Check level of hydraulic oil daily. 3. Check unit for visible effects and loose parts. 4. Start engine. 5. Set vehicle park brake securely. 6. Extend outriggers to solid footing. 7. Operate all hydraulic controls slowly and deliberately for smooth motion. Carry capacity speed limit 3 mph. DEDUCTIONS FOR LOAD HANDLING DEVICES 10-Ton 1-Sheave Block lbs 5-Ton Ball lbs For Exam Use Only

4 Problem Telescoping Boom Load Chart Problems NET LOAD KNOWN Boom Length: Ft Manual Section: Extended Retracted Net Load to be lifted: Boom Extension: Stowed Erected + Jib: Stowed Erected + Auxiliary Boom Head: Erected Off + Part(s) Wire Rope Ft Beneath: + Ton Block: + Ton Ball: + Rigging: + Gross Load: Max. Radius over : Feet + Rigging Lowest Boom Angle: Degrees + Net Load = Susp. Wt. SWL = Minimum Parts of Line Problem Boom Length: Ft Manual Section: Extended Retracted Net Load to be lifted: Boom Extension: Stowed Erected + Jib: Stowed Erected + Auxiliary Boom Head: Erected Off + Part(s) Wire Rope Ft Beneath: + Ton Block: + Ton Ball: + Rigging: + Gross Load: Max. Radius over : Feet + Rigging Lowest Boom Angle: Degrees + Net Load = Susp. Wt. SWL = Minimum Parts of Line

5 Problem Telescoping Boom Load Chart Problems Boom Length: Ft Radius: Ft Boom Angle: Degrees Manual Section: Extended Retracted Gross Capacity over the : Boom Extension: Stowed Erected Jib: Stowed Erected Auxiliary Boom Head: Erected Off Part(s) Wire Rope Ft Beneath: Ton Block: Ton Ball: Rigging: + Rigging Net Capacity: (Maximum Net Load) + Net Load = Susp. Wt. SWL = Minimum Parts of Line Problem Boom Length: Ft Radius: Ft Boom Angle: Degrees Manual Section: Extended Retracted Gross Capacity over the : Boom Extension: Stowed Erected Jib: Stowed Erected Auxiliary Boom Head: Erected Off Part(s) Wire Rope Ft Beneath: Ton Block: Ton Ball: Rigging: + Rigging Net Capacity: (Maximum Net Load) + Net Load = Susp. Wt. SWL = Minimum Parts of Line

6 Courtesy of Terex For Exam Use Only

7 For Exam Use Only

8 Problem Telescoping Boom Load Chart Problems NET LOAD KNOWN Boom Length: Ft Manual Section: Extended Retracted Net Load to be lifted: Boom Extension: Stowed Erected + Jib: Stowed Erected + Auxiliary Boom Head: Erected Off + Part(s) Wire Rope Ft Beneath: + Ton Block: + Ton Ball: + Rigging: + Gross Load: Max. Radius over : Feet + Rigging Lowest Boom Angle: Degrees + Net Load = Susp. Wt. SWL = Minimum Parts of Line Problem Boom Length: Ft Manual Section: Extended Retracted Net Load to be lifted: Boom Extension: Stowed Erected + Jib: Stowed Erected + Auxiliary Boom Head: Erected Off + Part(s) Wire Rope Ft Beneath: + Ton Block: + Ton Ball: + Rigging: + Gross Load: Max. Radius over : Feet + Rigging Lowest Boom Angle: Degrees + Net Load = Susp. Wt. SWL = Minimum Parts of Line

9 Problem Telescoping Boom Load Chart Problems Boom Length: Ft Radius: Ft Boom Angle: Degrees Manual Section: Extended Retracted Gross Capacity over the : Boom Extension: Stowed Erected Jib: Stowed Erected Auxiliary Boom Head: Erected Off Part(s) Wire Rope Ft Beneath: Ton Block: Ton Ball: Rigging: + Rigging Net Capacity: (Maximum Net Load) + Net Load = Susp. Wt. SWL = Minimum Parts of Line Problem Boom Length: Ft Radius: Ft Boom Angle: Degrees Manual Section: Extended Retracted Gross Capacity over the : Boom Extension: Stowed Erected Jib: Stowed Erected Auxiliary Boom Head: Erected Off Part(s) Wire Rope Ft Beneath: Ton Block: Ton Ball: Rigging: + Rigging Net Capacity: (Maximum Net Load) + Net Load = Susp. Wt. SWL = Minimum Parts of Line

10 Courtesy of Terex For Exam Use Only

12 SELECTED NOTES TEREX RT A freely suspended load is a load hanging free with no direct external force applied except by the hoist rope. 2. load ratings are based on the crane being leveled and standing on a firm, uniform supporting surface. 3. Use of jibs, lattice-type boom extensions, or fourth section pullouts extended is not permitted for pick-and-carry operations. 4. The use of more parts of line than required by the load may result in having insufficient rope to allow the hook to reach the ground. 5. Do not elevate the boom above 60 unless the boom is positioned in-line with the crane s chassis or the outriggers are extended. Failure to observe this warning may result in loss of stability. 6. CRANE LOAD RATINGS MUST NOT BE EXCEEDED. DO NOT ATTEMPT TO TIP THE CRANE TO DETERMINE ALLOWABLE LOADS. 7. When either radius or boom length, or both, are between listed values, the smaller of the two listed load ratings shall be used. 8. Do not operate at longer radii than those listed on the applicable load rating chart (cross-hatched areas shown on range diagrams). 9. The boom angles shown on the capacity chart give an approximation of the operating radius for a specific boom length. The boom angle, before loading, should be greater to account for boom deflection. It may be necessary to retract the boom if maximum boom angle is insufficient to maintain rated radius. 10. Power telescoping boom sections must be extended equally. 11(a). Rated loads include the weight of hook block, slings, and auxiliary lifting devices. Their weights shall be subtracted from the listed rated load to obtain the net load that can be lifted. 11(b). When lifting over the jib the weight of any hook block, slings, and auxiliary lifting devices at the boom head must be added to the load. 11(c). When jibs are erected but unused add two (2) times the weight of any hook block, slings, and auxiliary lifting devices at the jib head to the load. 12. Rated loads do not exceed 85% on outriggers or 75% on tires, of the tipping load as determined by SAE Stability Test Code J765a. Structural strength ratings in chart are indicated with an asterisk(*). 13. Rated loads are based on freely suspended loads. No attempt shall be made to drag a load horizontally on the ground in any direction. 14. The user shall operate at reduced ratings to allow for adverse job conditions, such as: Soft or uneven ground, out of level conditions, high winds, side loads, pendulum action, jerking or sudden stopping of loads, hazardous conditions, experience of personnel, two-machine lifts, traveling with loads, electric wires, etc. 15. The maximum load which can be telescoped is not definable, because of variations in loadings and crane maintenance, but it is permissible to attempt retraction and extension if load ratings are not exceeded. 16. Load ratings are dependent upon the crane being maintained according to manufacturer s specifications. 17. It is recommended that the load handling devices, including hooks and hook blocks, be kept away from boom head at all times. 18. Do not lift with outrigger beams positioned between the fully extended and intermediate (pinned) positions.

13 Problem Telescoping Boom Load Chart Problems NET LOAD KNOWN Boom Length: Ft Manual Section: Extended Retracted Net Load to be lifted: Boom Extension: Stowed Erected + Jib: Stowed Erected + Auxiliary Boom Head: Erected Off + Part(s) Wire Rope Ft Beneath: + Ton Block: + Ton Ball: + Rigging: + Gross Load: Max. Radius over : Feet + Rigging Lowest Boom Angle: Degrees + Net Load = Susp. Wt. SWL = Minimum Parts of Line Problem Boom Length: Ft Manual Section: Extended Retracted Net Load to be lifted: Boom Extension: Stowed Erected + Jib: Stowed Erected + Auxiliary Boom Head: Erected Off + Part(s) Wire Rope Ft Beneath: + Ton Block: + Ton Ball: + Rigging: + Gross Load: Max. Radius over : Feet + Rigging Lowest Boom Angle: Degrees + Net Load = Susp. Wt. SWL = Minimum Parts of Line

14 Problem Telescoping Boom Load Chart Problems Boom Length: Ft Radius: Ft Boom Angle: Degrees Manual Section: Extended Retracted Gross Capacity over the : Boom Extension: Stowed Erected Jib: Stowed Erected Auxiliary Boom Head: Erected Off Part(s) Wire Rope Ft Beneath: Ton Block: Ton Ball: Rigging: + Rigging Net Capacity: (Maximum Net Load) + Net Load = Susp. Wt. SWL = Minimum Parts of Line Problem Boom Length: Ft Radius: Ft Boom Angle: Degrees Manual Section: Extended Retracted Gross Capacity over the : Boom Extension: Stowed Erected Jib: Stowed Erected Auxiliary Boom Head: Erected Off Part(s) Wire Rope Ft Beneath: Ton Block: Ton Ball: Rigging: + Rigging Net Capacity: (Maximum Net Load) + Net Load = Susp. Wt. SWL = Minimum Parts of Line

15 Courtesy of Manitowoc, LLC

16 RT875E FULL HYDRAULIC SELF-PROPELLED CRANE 75 TON CAPACITY PCSA CLASS % OF TIPPING Note: Boom angles are in degrees.

17 RT875 E ft. 18,000 lbs Stationary 360º #9005 Pounds Main Boom Length in Feet Feet * ,200 40,750 (67.5) (72) 15 39,150 35,700 (63) (68.5) 20 24,200 (54.5) 24,350 (62) 22,800 (67.5) 22,000 (71) 25 16,200 (44.5) 16,200 (55) 15,600 (62) 15,950 (66.5) 15,850 (70) 30 11,250 11,250 10,950 10,650 11,600 12,150 (31.5) (47) (56) (62) (66) (69.5) 35 7,900 7,690 7,270 8,420 8,820 (37.5) (49.5) (57) (62) (66) 40 5,490 5,280 4,880 6,020 6,330 (24.5) (42.5) (52) (58) (62) 45 3,430 3,110 4,130 4,480 (34) (46) (53) (58.5) 50 1,350 (22) 1,740 (39.5) 2,610 (48.5) 3,040 (54.5) 55 1,360 (43) 1,070 (50) Minimum boom angle (deg.) for indicated length (no load) Maximum boom length (ft.) at 0 deg. boom angle (no load) 50 Weight Reductions for Load Handling Devices 33 FT.-56 FT. FOLDING BOOM EXTENSION *33 ft. Extension (Erected) - *56 ft. Extension (Erected) - *76 ft. (1 insert Erected) - *96 ft. (2 inserts Erected) - *Reduction of main boom capacities (no deduct required for stowed boom extension) AUXILIARY BOOM NOSE 3,700 lb. 7,830 lb. 10,350 lb. 13,300 lb. 136 lb. HOOKBLOCK AND OVERHAUL BALL: 75 Ton, 4 Sheave Hookblock 1,275 lb.+ 10 Ton, Overhaul Ball 568 lb. + Permissible Nominal Hoists Cable Specs Line Pulls Cable Length 3/4" (19 mm) 6x37 Class, Main EIPS, IWRC Special Flexible 16,800 lb. 600 ft. Min. Breaking Str. 58,800 lb. 3/4" (19 mm) Flex-X 35 Main & Aux. Rotation Resistant (non-rotating) 16,800 lb. 607 ft. Min. Breaking Strength 85,800 lb. The approximate weight of 3/4" wire rope is 1.5 lb./ft.

18 Problem Telescoping Boom Load Chart Problems NET LOAD KNOWN Boom Length: Ft Manual Section: Extended Retracted Net Load to be lifted: Boom Extension: Stowed Erected + Jib: Stowed Erected + Auxiliary Boom Head: Erected Off + Part(s) Wire Rope Ft Beneath: + Ton Block: + Ton Ball: + Rigging: + Gross Load: Max. Radius over : Feet + Rigging Lowest Boom Angle: Degrees + Net Load = Susp. Wt. SWL = Minimum Parts of Line Problem Boom Length: Ft Manual Section: Extended Retracted Net Load to be lifted: Boom Extension: Stowed Erected + Jib: Stowed Erected + Auxiliary Boom Head: Erected Off + Part(s) Wire Rope Ft Beneath: + Ton Block: + Ton Ball: + Rigging: + Gross Load: Max. Radius over : Feet + Rigging Lowest Boom Angle: Degrees + Net Load = Susp. Wt. SWL = Minimum Parts of Line

19 Problem Telescoping Boom Load Chart Problems Boom Length: Ft Radius: Ft Boom Angle: Degrees Manual Section: Extended Retracted Gross Capacity over the : Boom Extension: Stowed Erected Jib: Stowed Erected Auxiliary Boom Head: Erected Off Part(s) Wire Rope Ft Beneath: Ton Block: Ton Ball: Rigging: + Rigging Net Capacity: (Maximum Net Load) + Net Load = Susp. Wt. SWL = Minimum Parts of Line Problem Boom Length: Ft Radius: Ft Boom Angle: Degrees Manual Section: Extended Retracted Gross Capacity over the : Boom Extension: Stowed Erected Jib: Stowed Erected Auxiliary Boom Head: Erected Off Part(s) Wire Rope Ft Beneath: Ton Block: Ton Ball: Rigging: + Rigging Net Capacity: (Maximum Net Load) + Net Load = Susp. Wt. SWL = Minimum Parts of Line

20 Set up your own problems

21 Set up your own problems

22 Set up your own problems

23 Set up your own problems

Cranes. Range Diagram and Lifting Capacity RT TON LIFTING CAPACITY RANGE DIAGRAM 33' - 110' BOOM

Cranes. Range Diagram and Lifting Capacity RT TON LIFTING CAPACITY RANGE DIAGRAM 33' - 110' BOOM Range Diagram and Lifting Capacity Cranes 55 TON LIFTING CAPACITY RANGE DIAGRAM 33' - 110' BOOM Dimensions are for largest factory furnished hook block and hook & ball, with anti-two block activated COUNTER