Lattice Boom Cranes - Method of Test J987_201911

DOI: https://doi.org/10.4271/J987_201911

Issuing Committee: Cranes and Lifting Devices Committee

Publisher: SAE International

Pages: 30

Rationale: Revisions have been made to the following sections: Updated Section 1 from “rope supported” to “pendant supported.” Updated Section 1 from “luffing type” to “luffing jib type.” Updated Table 1 header from “luffing attachment” to “luffing jib.” Updated Table 1 in throughout from “luffing boom” to “boom.” Updated 6.5 from “ASTM 251-67” to “ASTM E251.” Updated Table 1 tests H, K, and N to include offsets for boom top to jib butt and jib sheave to jib centerline. Updated Table 2 test J to include offsets for boom top to jib butt and jib sheave to jib centerline. Updated 8.9 designation for the note was removed from second paragraph because paragraph contained a normative requirement. Updated 9.2.2 Table 1 reference to Table 2 for conventional cranes. Updated 9.2.2.b. equation reference from Equation 7 to Equation 5. Added Figure 3 to 9.2.2 in relation to Table 2 test J update. Added YH and YS to Appendix A in relation to Figure 3. Updated from “must” to “shall” in 5.3, 6.5, 8.9, Appendix B in two locations, and Appendix C in three locations. Updated from “may” to “should” in 4.1 in four locations: 6.6, 7.5, 9.1, 9.2.2, and Appendix C.