(C) to raise the value or the rupture of the tank wall by welding (peaking) must not exceed 13 mm.When measured against the curve of the wall, 900 mm long cylinder.(D) To raise the value or the rupture of the tank wall by welding (banding) must not exceed 13 mm.When measured against the demands of the tank wall length 900 mm.The large oil tank 7 text vertically. When construction is complete, the test must be performed as follows:(1) the tank shall be tested by water pressure at altitude. Any of the following:(A) the maximum level of the tank.(B) for tanks with a roof-mounted water container at dead 50 mm above the height of welded connections.Between the walls of the tank with the tank roof.(C) in the case that could not be carried out in accordance with (a) and (b) because the tank drain is installed.Fuel overflow tank (overflow), or there is a limit to the number of internal floating roof, the highest level of testing.As you will be able to test.(2) while testing the water pressure, according to (1) must measure the groundwater of the tank.When the water container is fifty percent. Seventy-five per cent, and a hundred percent of the level that is to be tested in accordance with (1)
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