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ANCHORING <br /> 9.9. Standard Eye by Eve Hold Down Strap 9.12. Wire Rope <br /> 9.12.1. A method to use wire rope on the ribs over the <br /> Figure 9-2 tank top is available.Refer to Supplemental <br /> Strap Length Documents(Section 21)for additional <br /> information. <br /> O114, 9.12.2. Use 6 x 19 Improved Plow Steel IWRC,or better, <br /> (48mm) wire rope. <br /> _ L Fiberglass 9.12.3. Refer to Table 9-3 for minimum wire rope <br /> Strap Galvanized diameter and strength. <br /> 27/d' Eyelet Table 9-3 <br /> (73mm) <br /> Tank Diameter Strap Length Wire Rope <br /> 4' 100"(2,546mm) Tank Minimum Minimum <br /> 6' 141"(3,185mm) Diameter Diameter Ultimate Strength <br /> 8' 176"(4,464mm) 4 3/8"nOmm) 13,120 lbs(5,951 kg) <br /> 10' 238"(6,o45mm) 6',8;10',12' 1/2"(13mm) 23,000 lbs 00,433 kg) <br /> 12' 271"(6,877mm) <br /> 9.12.4. Follow recommendations of the wire rope <br /> 9.10. When connectingthe end of a hold-down strap manufacturer,as well as all industry standards <br /> p when selecting,handling,attaching or <br /> to the anchor,common methods include: connecting wire rope. <br /> (see Figure 9-3) 9.12.5. Tighten all hardware uniformly and follow the <br /> • Drop-forged turnbuckle(A) manufacturer's torque specifications.Double <br /> • Looped wire rope(B) check the tightness once the anchoring system <br /> • Combination of both A and B(C) is complete. <br /> Figure 9-3 9.12.6. When forming a loop in the wire rope,a splice is <br /> required for connecting the two ends together. <br /> Use a minimum of four clamps for 3/g"wire rope <br /> Iand a minimum of six clamps for 1/2"wire rope. <br /> Place the rope ends parallel to each other and <br /> install the clamps as shown in Figure 9-4. <br /> JA B C Figure 9-4 <br /> %"W ire Rope/Clamp Alignment <br /> 9.10.1. After hardware is installed,all exposed metal <br /> on the anchoring system must be coated or <br /> galvanized to protected against corrosion. yt'Wire Rope/Clam p Alignment <br /> 9.11. Drop-Forged Turnbuckles <br /> 9.11.1. May be used in place of all or a portion of wire 9,13. Deadmen Anchors <br /> rope described in this section. <br /> 9.13.1. Dead men are made of reinforced concrete, <br /> Table 9-2 designed according to the American Concrete <br /> Tank Minimum Turnbuckle Diameter(by type) Institute(ACI)code,placed end to end equal <br /> Minimum to tank length,and with at least two anchor <br /> Dia. Hook Jaw Eye Working points per deadman. <br /> Load Limit* 9.13.1.1. Refer back to Table 2-1 for CSI deadmen <br /> 4' 1h" a/6" N. 1,200 lbs dimensions and weight. <br /> 6' 3/a" Yz" Y:^ z,zoo lbs 9.13.1.2. Each tank requires its own deadman on <br /> both sides,or if one deadman is used <br /> a' tv;' 3/4^ 3/4" <br /> 5,200 lbs between adjacent tanks,it must be <br /> 10' 11/41' �,° 3/," 5,200 lbs doubled in width. <br /> 1z' tv 3/4" 3/4" s,z0o lbs 9.13.1.3. A separate anchor point must be provided <br /> for each strap. <br /> *ultimate load should be 5 times working load limit. <br /> 16 <br />