NAVSEA T9074 AD GIB 010/1688 : 0

1 SCOPE
2 APPLICABLE DOCUMENTS
3 DEFINITIONS
4 QUALIFICATION REQUIREMENTS
5 QUALITY CONTROL AND RECORD REQUIREMENTS
6 INSPECTION REQUIREMENTS
7 INSPECTION ACCEPTANCE STANDARDS
8 INSPECTION OF MATERIALS
9 FORMED MATERIALS AND WELDS
10 WELDING MATERIALS
11 WELDING DESIGN
12 ERECTION REQUIREMENTS
13 WELDING REQUIREMENTS
14 WORKMANSHIP REQUIREMENTS
15 CASTINGS
16 REQUIREMENTS FOR MIL-120 AND MIL-140 SERIES FILLER
      MATERIALS
Figure 1 - Typical contour for fillet groove tee welds and
           fillet welds
Figure 2 - Functional diagram of submarine structure
Figure 3 - Examples of members for attachment welds
Figure 4 - Hard tank welds
Figure 5 - Clad areas for O-ring or gasket seating surfaces
Figure 6 - Quality control hull circularity measurement
           record
Figure 7 - Complementary circularity measurements
Figure 8 - Partial circularity measurements
Figure 9 - Pressure hull fairness data sheet
Figure 10 - Record of frame dimensions
Figure 11 - Application examples of table 6-4, category
            I.A.1.
Figure 12 - Examples of end intersection welds of, or
            transverse welds in, beam-type or built-up
            members
Figure 13 - MT inspection requirements for repair of full
            penetration welds in the pressure hull envelope
            where the total repair depth is greater than
            1/3 T but less than or equal to 2/3 T
Figure 14 - MT inspection requirements for repair of full
            penetration welds in the pressure hill envelope
            where the total repair depth is greater than
            2/3 T
Figure 15 - RT/UT requirement for flanged to unflanged frame
            transitions
Figure 16 - Device for bend testing welded studs
Figure 17 - Nomograph of outside surface elongation after
            bending or rolling
Figure 18 - Typical gages
Figure 19 - End-melt and corner-melt
Figure 20 - Contoured weld requirements
Figure 21 - Single fillet tee joint
Figure 22 - Penetration through special sandwich bulkhead
            with solid filler
Figure 23 - Location of penetration attachment welds in
            relation to butts and seams
Figure 24 - Inserts, patches, and small access plates in
            pressure hull envelope
Figure 25 - Inserts, patches and small access plates in
            plating and structure other than the pressure
            hull envelope
Figure 26 - Inserts, patches, or small access plates in
            pressure hull envelope which land on or cross
            existing butt welds
Figure 27 - Drain, vent or permanent snipe opening
Figure 28 - Pressure hull frame tolerances
Figure 29 - Tolerance for unfairness of welded plate panels
Figure 30 - Weld repair of holes
Figure 31 - Temporary snipe in corner or connecting
            structural member which intersects two or more
            other members
Figure 32 - Temporary snipe in structural member connection
            crossing a butt weld
Figure 33 - Patch plate detail for closing temporary snipes
            in corner of connecting structural member which
            intersects two or more other members
Figure 34 - Patch plate detail for closing temporary snipes
            in structural member connection crossing a butt
            weld
Figure 35 - Backgouged weld root and weld repair excavation
            contours
Figure 36 - Suggested mechanical peening tools
Figure 37 - Typical weld repair configurations for castings
Figure 38 - Weld location examples
Table 6-1 - MT inspection requirements for HY and HSLA
            materials
Table 6-2 - MT inspection requirements for higher strength
            steel (HSS)
Table 6-3 - MT inspection requirements applicable to HY and
            HSLA base material, mill defects and forming
Table 6-4 - RT or UT inspection requirements
Table 6-5 - Stud minor diameters
Table 7-1 - Undercut, end-melt and corner-melt
Table 8-1 - Electrode sampling plan
Table 9-1 - Cold-forming temperature requirements
Table 9-2 - Hot-forming temperature requirements
Table 10-1 - Filler materials for ferritic steels
Table 10-2 - Filler materials for welding ferrous materials
             to non-ferrous metals and austenitic stainless
             steels and for welding nickel base and copper-
             nickel alloys
Table 10-3 - Filler materials for austenitic stainless-steel
             alloys
Table 10-4 - Filler materials for wrought aluminium alloys
Table 11-1 - Weld joint design requirements
Table 11-2 - Maximum joint efficiencies for HY-100 or
             HSLA-100 to HY-100 or HSLA-100 weld joints
Table 12-1 - Pressure hull frame tolerances
Table 12-2 - Tolerances for frame spacing
Table 12-3 - Alignment tolerance
Table 13-1 - Preheat and interpass temperature limits
Table 13-2 - HY and HSLA (welded with other than MIL-120 or
             MIL-140 series filler material) heat input
             limitations
Table 13-3 - Alternate heat input limitations
Table 13-4 - Stress relief procedure
Table 13-5 - Stress relieving parameters
Table 15-1 - NDT requirements for castings
Table 15-2 - RT acceptance criteria for ferrous castings
             of carbon steel, corrosion-resistant steel,
             cobalt-chromium-tungsten, and alloy steels
             (including HY-80/100/130)
Table 15-3 - RT acceptance criteria for copper based
             castings of nickel bronze, copper-nickel,
             aluminium bronze, nickel-aluminium-bronze,
             manganese bronze, and nickel-copper
Table 15-4 - RT acceptance criteria for tin-bronze castings
Table 15-5 - RT acceptance criteria for aluminium castings
Table 16-1 - Heat input guidelines when using MIL-120 series
             filler material
Table 16-2 - Production weld process control verification
             test matrix

Gives the minimum requirements for fabrication and inspection of submarine and non-combatant submersible structure, inclusive of shipbuilding practices, specifications for materials, weld joint design, workmanship, welding, inspection and record requirements.