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16.1.9.Typically,an installer will use Bostik 920 to seal the sump <br /> Containment Sump body to the collar and/or the sump body to the top.The following <br /> Access Cover instructions are for that sealant material.Follow all instructions <br /> on the label of the sealant as well as the following instructions. <br /> Q�) Top 16.2.PREPARING CONTAINMENT SUMP BODY AND COLLAR <br /> 16.2.1.The burial depth of the tank determines the length of the <br /> i <br /> containment sump body. (See FIGURE 16-3.) <br /> i <br /> Sump Body <br /> I <br /> I <br /> t <br /> I Per Burial <br /> Collar Requirements <br /> \ 1 <br /> FIGURE 16.1 e <br /> 16.1.4. If conditions may cause groundwater to rise above the <br /> containment sump top or may cause surface water to drain into FIGURE 16-3 <br /> containment sump top,use a watertight containment sump top <br /> and cover.(See FIGURE 16-2.) 16.2.2.The containment sump body can be ordered in 6-inch <br /> increments starting at 36 inches. <br /> Watertight Containment Sump 16.2.3.Dry fit entire containment sump assembly and mark it for <br /> proper elevation. <br /> Locking Ring <br /> 16.2.4.Cut the containment sump body to length and prepare <br /> Access Cover for sealing.If the containment sump body needs to be trimmed, <br /> use a carbide-tipped blade or masonry saw. <br /> Q�D Watertight Top <br /> WARNING <br /> If using any equipment not powered by air to trim the <br /> Sump Body containment sump body,move the containment sump body <br /> a safe distance from the tank,piping or any other source of <br /> flammable liquids or vapors before beginning the trimming <br /> to avoid sparks,fire or explosion.Failure to do so could <br /> Collar result in death or serious injury. <br /> 16.2.5.Abrade the areas to be joined,removing all glossy finish. <br /> All abraded areas should be a uniform shade of white,showing <br /> glass fibers. <br /> FIGURE 16-2 <br /> 16.2.5.1.Abrade the entire circumference of the inside surface of <br /> 16.1.4.1.When a watertight system is used,the system must be the containment sump body a distance of at least 3 inches up <br /> vented to atmosphere,above the groundwater level. from the point where the containment sump body meets the <br /> 16.1.5.The installing contractor is responsible for sealing the collar.(See FIGURE 16-4,A.) <br /> joint between the collar and the sump body(and the top joint 16.2.5.2.Abrade the entire circumference of the outside surface <br /> when a watertight containment sump is used). of the collar lip.(See FIGURE 16-4,B.) <br /> 16.1.6.Xerxes recommends cutting holes for piping connections 16.2.5.3.When using the watertight containment sump,abrade <br /> prior to application of the sealant. the entire circumference of the outside edge of the containment <br /> 16.1.7.The installing contractor must perform a hydrostatic test sump top.(See FIGURE 16-5,A.) <br /> after sealing the containment sump. (See SECTION 16.4.) 16.2.5.4.When using the watertight containment sump,abrade <br /> the entire circumference of the inside surface of the channel at <br /> 16.1.8.When using sealant materials supplied by Xerxes and/or the top of the containment sump body.The containment sump <br /> when doing the fiberglass lay-up in the field,follow the top sets into this channel.(See FIGURE 16-5,B.) <br /> supplemental instructions supplied by Xerxes. <br /> 22 <br />