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HARDWARE AND ANCHORING POINTS <br />Anchoring hardware and anchor points must be sized according <br />to Table 7 3 and manufactured to industry standards and <br />dimensions. The installing contractor is responsible for providing <br />:hardware and anchor points of sufficient strength. The particular <br />configuration of hardware will be determined by the owner or the <br />owner's representative. Locate the anchor points as shown in <br />Table 7-2 and Figure 7 2. Refer to dimension �'E". Align all anchor <br />points with the marked (><) location on the tanks, within a <br />tolerance of 1 inch. For specific information on hardware and its <br />use, consult the hardware manufacturer. <br />CAUTION: <br />Use only appropriate sized hardware with the strap eye. <br />Oversized hardware may damage the strap eye and result in <br />personal injury or property damage. See Figure 74 for strap <br />eye dimensions. <br />NOTE: Drop4orged type tumbudds may be used in place of ail or a portion of <br />mre rope. <br />NOTE: All exposed metal on the hosidown straps, tumoucides ardor threaded <br />roc must be coated or galvanized to prevent corrosion (Figure 7 -SA). <br />NOTE: when fastening owre rope. use a minimum of three Camps on eadt ioim <br />Use snacide-Stype or chair -type Camps as aqxow= (Figure 74A). <br />FIGURE 7-4A <br />i <br />WARNING-' -- <br />Do not use air pressure to test tanks that contain flammable or <br />combustible liquids or vapors, and do not perform any post- <br />installation pressure test The fuel/afr mixture may explode and <br />cause death, severe personal injury or property damage. Tanks <br />that will be ballasted with a flammable product should be air <br />tested before ballasting. <br />/P WARNING: <br />If product is used as ballast, exercise special care in handling. <br />Safeguard against sparks, fire or product spills. improper <br />handling of product can cause a fire or explosion, damage.nd <br />result in death, severe personal injury or property <br />INTERMEDIATE DEFLECTION MEASUREMENT <br />After backfill is brought to the top of the tank, make an <br />intermediate measurement of vertical deflection according to the <br />instructions in Section 13. <br />TEST <br />After the tank has been measured and vertical deflection is <br />determined to be within the limits specified by Xerxes, the tank <br />must be pressure tested to ensure that no damage occurred <br />during installation. The procedure in Section 2 ?re -installation <br />Testing should be followed, soaping ail exposed areas of the tank <br />and ail fittings. <br />Because most of the tank exterior is no longer visible, the tank <br />must be tested by checking the gauge for one hour at the test <br />manifold for any drop in pressure. Carefuily relieve the pressure <br />in the tank and remove the Quick Disconnect assembly from dry <br />Double Wall tanks. <br />/P WARNING: <br />Do not use air pressure to test tanks that contain lfl nmm a� or <br />combustible liquids or vapors and do not Perform <br />Post- <br />installation pressure test: The fie!lair mixture may explode and <br />cause death, severe personal injury, or property damage. <br />Tanks that will be ballasted with a flammable product should <br />be air tested before ballasting. <br />�t WARNING: <br />if product is used as ballast, exercises ial care in handling. <br />Safeguard against sparks, fire or product spills improper <br />handling of product can cause a fire or explosion, and may <br />result in death, severe personal injury or property damage. <br />T <br />e tank may be ballasted after the backfill is even with the top of <br />the tank and post- nstal}ation testing, f appiicabie, has been <br />successfully completed. Cniy under wet -hole conditions, as <br />described in Section 6, should ballast be added before the backfill <br />is even with the too of the tank. When tilling the tank, make sure <br />the tank is oroperty vented. The vent :must be large enough to <br />allow the displaced air to escape. <br />