MODIFY PIPING SYSTEM, TANK 20, F‐900

Scope elements were truncated from a previous contract that work was de scoped from. Project will perform the following. a]. Modify 18 inch line tie in tank #20 including installation of piping's to allow defuel into and refuel from the tank. b]. Install (1) 6 and (1) 10 double block and bleed valve. c]. Install 150 lf of 10 diameter stainless steel piping with (2) Class 150 flanges including pipeline supports. d]. Install 100 lf of 6 diameter 304L stainless steel piping with (2) end of the pipeline shall be welded into the existing 18 Tank 21 / Tank 22 hydrant loop defueling line, and the other end of the pipeline shall be welded into the existing 6 Tank 20 issue line; and e]. Pressure test the new piping.