Determine if your project's. tower crane can lift a 21,000-pound load that will be at a reach of 100-ft. The crane has a

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: Determine If Your Project S Tower Crane Can Lift A 21 000 Pound Load That Will Be At A Reach Of 100 Ft The Crane Has A 1 (478.46 KiB) Viewed 19 times

: Determine If Your Project S Tower Crane Can Lift A 21 000 Pound Load That Will Be At A Reach Of 100 Ft The Crane Has A 2 (133.42 KiB) Viewed 19 times

: Determine If Your Project S Tower Crane Can Lift A 21 000 Pound Load That Will Be At A Reach Of 100 Ft The Crane Has A 3 (133.87 KiB) Viewed 19 times

Determine if your project's. tower crane can lift a 21,000-pound load that will be at a reach of 100-ft. The crane has an L7 jib with a four-part hoist line. The load must use a spreader bar that weighs 1,000 pounds attached to a 200-lb set of slings.
03 Construction Planning, Equipment, and Methods 604 TABLE 16.3 Lifting capacities in pounds for a tower crane Jib model L1 L2 L3 L4 L5 L6 L7 Maximum hook reach 104' 0" 123' 0" 142' 0" 161' 0" 180' 0" 199 0 218 0 000 27,600 27,600 27,600 27,600 27,600 27,600 27,600 00222 27,600 27,600 27,600 27,600 27,600 27,600 27,600 27,600 27,600 27,600 27,600 25,800 DON,2 27,600 27,600 002 27,600 25,800 24,200 008,2 27,600 27,600 27,600 27,600 27,600 27,600 27,600 27,600 26,800 24,900 23,400 27,600 27,600 27,600 25,200 23,600 22,200 27,600 27,600 25,600 23,300 21,800 20,500 27,000 27,000 25,100 22,800 21,300 20,100 26,300 26,300 24,300 22,200 20,700 19,500 24,800 22,800 20,800 19,300 18,300 22,400 20,700 18,700 17,400 16,400 19,500 17,600 16,300 15,400 18,800 16,800 15,700 14,800 17,900 16,200 15,100 14,200 DUTC 15,200 14,200 13,300 14,200 13,200 12,400 12,300 11,600 11,700 10,800 10,200 9,700 Lifting capacities in pounds, two-part line 801 9088 55 Hook reach 10' 3" 88' 2" 94' 6" 101' 0" 104' 0" 109' 8" 117' 8" 120' 0" 123' 0" 130' 0" 142' 0" 150' 0" 155' 0" 161' 0" 170' 0" 180' 0" 190' 0" 199' 0" 210' 0" 218' 0"
TABLE 16.3 Lifting capacities in pounds for a tower crane (continued) L5 L4 L6 L7 L3 L1 L2 Jib model 176' 9" 195' 9" 214' 9" Maximum hook reach 157' 9" 138' 9" 119' 9" 100' 9" 55,200 55,200 55,200 55,200 55,200 55,200 55,200 13' 6" 55,200 55,200 55,200 55,200 55,200 55,200 55,200 55,200 55,200 55,200 55,200 48' 9" 51' 0" 51,400 55,200 55,200 55,200 51,500 48,500 55,200 55,200 53' 6" 55,200 55,200 55,200 51,300 48,300 45,600 56' 6" 47,100 44,600 42,100 60' 6" 70' 0" 37,400 39,700 34,100 31,900 35,200 29,900 80' 0" 29,700 27,700 90' 0" 55,200 55,200 55,200 50,700 55,200 55,200 55,200 46,200 42,800 46,200 46,200 36,500 39,400 39,400 39,400 31,900 26,100 34,600 34,600 34,600 28,200 26,100 24,100 22,600 30,700 30,700 30,700 25,600 23,600 21,700 20,300 23,200 21,300 19,600 18,300 23,100 21,100 19,300 17,700 16,400 21.300 19,400 17,800 16,300 15,100 17,600 16,200 14,700 13,600 16,400 15,100 13,800 12,700 Lifting capacities in pounds, four-part line 27,800 27,800 25,400 25,400 100' 9" 110'0" 119' 9" 130' 0" 138' 9" 150' 0" 157' 9" 13,600 12,400 11,400 170' 0" 12,900 11,800 10,800 176' 9" 11,500 10,600 180' 0" 10,700 9,800 190' 0" 10,200 9,300 195' 9" 9,100 200' 0" 8,300 210' 0" 8,100 214' 9" Counterweights Jib L1 L2 L3 L4 L7 L5 L6 105-HP hoist unit AC 165-HP hoist unit AC 37,200 lb 47,600 lb 50,800 lb 37,200 lb 40,800 lb 44,000 lb 54,400 lb 34,000 lb 44,000 lb 47,600 lb 34,000 lb 40,800 lb 40,800 lb 54,800 lb involved in its setup and dismantling, there is only minimal tower crane opera- tional flexibility. Although a proiect mang Hook reach