"STEEL PIPE,8 IN. IPS STD WT,8 FT LG,W/CAPS WELDED TO BOTH ENDS,FITTED W/2 IN. IPS INLET AND OUTLET CONNECTION ASSEMBLIES,SUPPORTED BY 4DETACHABLE,BLACK STEEL PIPE LEGS,A PIPE SPACING CHANNEL WELDED TO THEFRONT LEGS,DRILLED FOR U-BOLT ATTACHMENT TO SPACE AND SUPPORT THE PIPEFROM THE MANIFOLD,FURNISHED W/A 0-150 PSI PRESSURE GAGE AND A AIR RELIEFVALVE,SET AT 110 PSI,AND PLUG COCKS,USED ON P-SERIES,6 BY 30 PONTOONDRYDOCK,REQUIRED IN ASSEMBLY 5084,NAVFAC DWG 816433,MK NO. DML"