"STEEL,A FABRICATED ASSEMBLY CONSISTING OF 3 IN. OD SEAMLESS STEELTUBING 1/2 IN. WALL 5 FT 9-1/4 IN LG,WELDED TO A 6 IN. BY 4 IN. BY 3/4 IN.,ANGLE IRON 5 FT 9-1/4 IN. LG,W/TWO 1-5/8 IN. DIA HOLES SPACED 7 IN. FROMEACH END,ATTACHED TO THE ANGLES 1-1/2 IN. FROM EACH END ARE TWO SECTIONSSHAPED FROM 1 IN. STEEL PLATE,USED FOR P SERIES PONTOON,NAVFAC DWG 879116,MARK NO. LA-1"