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1.3.7.4.3.We recommend that you use one of our strap systems with 1.3.7.4.7.See Table 1-5 for typical deadmen dimensions for tanks our factory-supplied deadmen. (other than 10-foot-diameter tanks with a capacity greater than 25,000 1.3.7.4.4.When installing any size tank,and when using our D-ring/D- gallons[95,000 liters],given the following scenario: ring anchor straps and prefabricated deadmen,the deadmen are to be an empty tank placed so that their tops are even with the bottom of the tank.See Figure • a 3-foot[91-cm]burial depth 1-6 and Table 1-4 for anchor-point dimensions when using our deadmen. • groundwater to grade • For 8-foot-,10-foot-and 12-foot-diameter tanks,an option when using • 1containmentsump D-ring/D-ring straps is to place the deadmen on the bedding so the bottoms of the deadmen are even with the bottom of the tank. • This is not recommended for 4-foot-and 6-foot-diameter tanks. Tank Diameter Typical Deadmen Dimensions(Width x Depth) 1.3.7.4.5.The width and thickness of a deadman depends 6-foot 12"[30 cm] x 12"[30 cm] on the following: 8-foot 12"[30 cm] x 12"[30 cm] • tank diameter • water-table elevation 10-foot 18"[46 cm]x 9"[23 cm] • number of containment sumps 12-foot 36"[91 cm] x 8"[20 cm] • burial depth 1.3.7.4.6.The total length of a deadman(on each side of the tank) 1.3.7.4.8.Tanks with more than 1 containment sump and 10-foot-di- is typically equal to the length of the tank. ameter tanks with a capacity greater than 25,000 gallons[95,000 liters] • Our prefabricated deadmen come in various lengths. may require either a deeper burial or deadmen • Dead men are to be butted together end to end on each side of the larger than those shown in Table 1-5.Contact technical support tank when multiple sections are used. (ena.support@zcl.com)for further information. • Depending on the installation,multiple deadmen may be required 1.3.7.4.9.The minimum spacing between tanks must be increased and are to adhere to the following: to accommodate deadmen. The total length of the assembled deadmen must be appropriate forthe installed tank. 1.3.7.4.10.Always provide sufficient clearance to allow the Each section of assembled deadmen must contain at least two deadmen to be set outside the tank"shadow"See section 1.3.5 balanced anchor points. for tank spacing information. An equal number of deadmen is required on both sides 1.3.7.4.11.For placement of prefabricated deadmen, of the tank. see Figure 1-2. • Our prefabricated deadmen are supplied with 3/4-inch-diameter g galvanized adjustable anchor points(subsequently referred 1.3.7.4.12.Some contractors use the deadmen as a construction to as anchor points).See Figure 1-10. guide for proper depth of bedding. These anchor points protrude up through the slots in the deadmen 1.3.7.4.13.If our prefabricated 18-inch-[45 cm]wide low-profile and are temporarily supported with cotter pins. deadmen are used as a construction guide,they may need to be A WARNING elevated.This can be accomplished by putting 3'/2 inches[9 cm]of Only use the anchor points when lifting and positioning the backfill or a 4x4 piece of wood(or equivalent)underneath so that deadmen.A spreader bar may be required to lift longer sections the top of the deadmen is 12 inches[30 cm]off of the bottom of the of deadmen.Use guide ropes to guide the deadmen when lifting. excavation.See Figure 1.11. Failure to do so could result in death or serious injury. Figure 1-11 Figure 1-10 Backfill 18"Wide Low Profile Deadmen Chain or Sling o o a 3,/z a 4x4 6o°to 90° Anchor Point Anchor Point =IIIII= IIIII=I�� NOTE:Low-profile deadmen are not 12 inches[30 cm]high. Alignment Slot Alignment Slot 1.3.7.5.TURNBUCKLES 1.3.7.5.1.We also offer a turnbuckle that will connect the deadman anchor point to the FRP anchor strap.See Figure 1-8. When the deadman is properly positioned,this will eliminate the use of wire rope.See section 1.3.7.2 for more detail on anchor straps. 12