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You may decide to pull the pipe through the sumps or the scuff guard !aypr and tear ii.away from the inner rec- over the top of them. If you choose to pull through the ondary containment jacket. Now re;nm, the band sumps, and you have installed the entry boots in the clamp. sumps, spray or coat the outside of the pipe with a soapy water mixture and insert into the first entry boot. Now l push the pipe through until it departs through the entry boot on the other side. Continue feeding [he pipe ti through each dispenser while applying soap solution as I ._ s the pipe is pulled, until you reach the tank sump. Go back to the spool and cut the pipe at the center, where the pipe crosses over the first dispenser sump. Continue pulling each run of pipe in the same manner. . Y. Preparing Secondary,jacket Secondarily Contained Piping Only Now you are ready to prepare the pipe to perform an air - test on the secondary containment jacket. Step #1: The first step is to remove the outer scuff guard from the secondary containment jacket.With dis- penser sumps you will need to measure back 9" from +� one end of the pipe and mark.This will align the cut- back of the scuff guard even with the sump wall. Note: _`k�7-' the 9" cut-back requirement will vary with tank sumps based on the length of pipe inside the sump. Installers Seep l -Removing the outer scuff guard. need to ensure that the scuff guard is even or outside the sump wall. Remove a band clamp from one of the Step #2: (this step applies to all SC pipe sizes) Measure entry boots and slide the band clamp over the end of the back 4"" from end of the pipe and mark with the felt pipe, align with the mark and tighten just enough so it tipped marker. Open the APT secondary containment won't slip. jacket stripping tool and fit it around the outside of the pipe at the 4""' mark. Be veru careful when handling Utilizing the utility knife with a straight blade, and this tool. as the blades are extremely sharp using the band clamp as a guide, trace against the band clamp on the mark just deep enough to score the scuff guard layer. (The band clamp will be a guide to tear against). Practice on a scrap of pipe until you can do this ,F without cutting into the secondary jacket below. Now, go to the end of the pipe and make a cut through the outer scuff guard layer approximately 2" long, (This part of the secondary below the scuff guard will be cut - off too, so it is okay to touch this layer with the blade). ." Insert the utility knife blade under the outside scuff guard layer at an angle, and make one cut down to the band clamp. The inner surface of the scuff guard layer will consist of a shiny metallic layer. Grasp one side of 117