Laserfiche WebLink
10.1. GENERAL <br /> 10.1.1. In most anchoring systems,a tank is not adequately <br /> AWARNING protected against flotation until the tank is fully backfilled and <br /> Do not use air pressure to test tanks that contain or have the top slab is in place.Therefore,during the installation <br /> contained flammable or combustible liquids or vapors. The process,the tank should be ballasted completely after the <br /> fuel and air mixture could explode and cause death, serious backfill is even with the top of the tank and postinstallation <br /> personal injury or property damage Tanks should be air testing has been successfully completed. <br /> tested before ballasting. 10.1.2.Only under wet-hole conditions should ballast be added <br /> AWARNING before the backfill is even with the top of the tank. (See <br /> SECTION 8.) <br /> If product is used as ballast exercise special care in handling <br /> Safeguard against sparks, fire or product spills. Improper F_ AWARNING <br /> handling of product could cause a fire or explosion, and When filling the tank, make sure the tank is properly <br /> death senous personal injury or properly damage vented. The vent must be large enough to allow the <br /> displaced air to escape. <br /> 9.1. GENERAL <br /> 9.1.1.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 14. 11.1. INTERNAL PIPING <br /> 11.1.1.All piping must conform to all applicable codes and <br /> 9.1.2.After the tank has been measured and vertical deflection standards. (See SECTION 1.) <br /> is determined to be within the limits specified by Xerxes,the <br /> tank must be pressure tested to ensure that no damage AWARNING <br /> occurred during installation. <br /> All internal piping must be at least 4 inches ffl inches <br /> 9.1.3.Follow the procedure in SECTION 3,soaping all exposed for 12-foot-diameter tanks] from the tank bottom. <br /> areas of the tank and all fittings,and monitoring the pressure <br /> for one hour. E_ ACAUTION <br /> 9.1.4.Carefully relieve the pressure in the tank. Remove the All metal fittings and other metal components must be <br /> quick-disconnect assembly from dry double-wall tanks. coated to protect against corrosion. <br /> 11.1.2.Refer to FIGURE 11-1 along with TABLE 11-1 to <br /> determine the correct dimensions for sizing internal piping. <br /> AWARNING <br /> B&E G <br /> Do not use air pressure to test tanks that contain or have A&D <br /> contained flammable or combustible liquids or vapors, and Dimension Line Dimension Line <br /> do not perform any postinstallation pressure tests. The fuel Single-Wall&Double-Wall 11 Double-Wall I <br /> and air mixture could explode and cause death, serious <br /> personal injury or property damage Tanks should be air <br /> tested before ballasting. T" <br /> . 11 <br /> ACAUTION <br /> Single-Wall Double-Wall 11 Double-Wall I <br /> When ballasting the tank, make sure the tank is properly Ribbed Outer Wall Smooth Outer Wall <br /> vented. The vent must be large enough to allow the Note: <br /> 1. All fitting dimensions are measured from the top of a <br /> displaced air to escape Failure to properly vent the tank service fitting to the inside bottom of the tank and include <br /> may cause tank damage gauge-plate clearance. <br /> 2. Interior diameters do not include gauge-plate clearance. <br /> AWARNING FIGURE 11-1 <br /> If product is used as ballast, exercise spedal care in handling. Adwh� <br /> Safeguard against sparks, fire or product spills. Improper 49 <br /> handling of product could cause a fire or explosion, and <br /> death, serious personal injury or property damage. <br /> 17 <br />