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6 Piping system layout <br /> (cont'd.) <br /> Bell x male NPT adapter Dog leg(4 ft min) <br /> Single wall fiberglass <br /> Slope to tank vapor recovery line <br /> Fig.6-4.Use flexible connectors to 1/8in/ft(min)\, <br /> i Bell x male NPT adapter <br /> connect fiberglass pipe to tanks, i <br /> turbine outlets at tanks and to shear <br /> valves at dispensers.A 4-ft.minimum <br /> length of fiberglass pipe(dogleg)is <br /> allowable perAPl Specification 1615 in Dog leg(4 ft min) <br /> lieu of a flexible connector. Contained Galvanized elbow <br /> fiberglass \ <br /> product line Turbine pump <br /> Dogleg(4 ft min) <br /> Bell x male NPT adapter <br /> Galvanized elbow <br /> Note:sumps not shown for clarity <br /> Precise alignment and make-up <br /> The matched taper bell and spigot joint on the primary does not always result in a <br /> precise and predictable insertion depth.This variation results from: <br /> • Manufacturing tolerances in the bell <br /> • Differences in length of tapers prepared on the job site <br /> • Difference of insertion depth when dry fit and after adhesive has been applied. <br /> Flexible sump penetration fitting installation <br /> • Measure to the appropriate height for the center of the hole,making sure to allow <br /> for the desired slope for the piping in the station layout. <br /> • Mark the height across sump. <br /> • Measure and mark the location of each penetration on the line,on the flat panel. <br /> • Using a 5-inch hole saw for dispensers,6-inch for tanks,cut a hole for the <br /> penetration fitting. <br /> • Sand and clean the edges to create a smooth surface to properly seat the <br /> fitting in the sump wall.(continued on page 9 at top) <br /> Fig.6-5. <br /> Dualoy 3000/L Galvanized <br /> a)Typical sump penetration detail fora 90°elbow steel <br /> system piped in parallel orat last sump with 1-112" tee <br /> of a system piped in series. threaded Dualoy 3000/LCX <br /> bushing tee with <br /> b)Typical sump penetration detail fora <br /> termination nut Containment <br /> system piped in series and utilizing / Connecting <br /> termination tees.Allows pressure Molded <br /> termination `./ Tube <br /> rating on secondary of 75 psi. <br /> Note:Standard tee with a termination assembly <br /> with <br /> nut and a reducer bushing. test port <br /> c)Typical sump penetration detail fora <br /> system piped in series and tested at <br /> lowpressure. Shallow sump f� <br /> Note:24-inch minimum width penetration fitting <br /> recommended on dispensersumps to Termination <br /> test reducer <br /> facilitate series installations. <br />