MDC 353-E507-2012-05 Dredge Pipe Flanges Gaskets.pdf

This is an engineering drawing specification document for DP Flanges & Gaskets used in the CEMWP Dredge Yacuna Sequential Repowering project. The document, created by the Marine Design Center and dated June 28, 2011, provides detailed technical specifications for four slip-on flange configurations designated as F-2 (Valve Slip-On Flange), F-3 (Hull Slip-On Flange), F-4 (Pump Slip-On Flange), and a Tri-Braze Pipe assembly with a ¾"–36 Flange.

The bill of materials specifies steel flanges measuring 1¾" thick in various diameters (ranging from 622mm to 830mm), with hole patterns of 20 to 24 holes depending on flange type. All materials are ASTM A36 Grade A steel, with gaskets conforming to ASTM D-2000-Type-AA specifications. The drawing includes detailed dimensional annotations, hole spacing measurements, alignment notches on vertical and horizontal axes for precise positioning, and notes indicating that all structural steel shall be AST A36 Grade A per the Unified Facilities Criteria. General notes specify that dimensions shown are for the complete piping system assembly and are coordinates from the ship's hull coordinate system. The document is revision level A with drawing number 2727 D53-E507-2012-05.