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D58‐T2 Page 1 of 6
Welding Schedule D58‐T2 HIN Number
Date Construction Started
Pre‐Assembly Location Drawing
Number Weld Type Weld
Leg Length (mm)
Weld Throat Distance (mm)
Min Weld Length (mm)
Max Spacing (mm)
Distortion Control Comments Welders Signature Checkers Signature Surveyor Signature
Pod Transom (Chanel to Panel)
D58‐T2‐13 Fillet (stitch) 6.5 3.5 65 225 Clamp Panel & Chanel’s to flat surface
‐ Ensure no under‐cut. ‐ Keep Engine well Panel scribe line free from weld
Pod Transom (Chanel to Chanel)
D58‐T2‐13 Fillet (continuous)
6.5 3.5 Con Clamp Panel & Chanel’s to flat surface
Ensure no under‐cut.
Pod Walls (SHS to Panel‐ Top & Bot)
D58‐T2‐14 Fillet (stitch) 3 2 40 200 Clamp Panel & SHS to flat surface
‐ Ensure no under‐cut. ‐ Keep weld a couple of mm clear of transom Wall end
Transom Wall (SHS to Panel‐ Top & Bot)
D58‐T2‐16 Fillet (stitch) 3 2 40 200 Clamp Panel & SHS to flat surface
‐ Ensure no under‐cut. ‐Keep weld a couple of mm clear of transom Wall end
Frame 2 (SHS to Panel‐ Top & Bot)
D58‐T2‐17 Fillet (stitch) 3 2 40 200 Clamp Panel & SHS to flat surface
‐ Ensure no under‐cut. ‐Keep weld a couple of mm clear of cut out
Frame 3 (SHS to Panel‐ Top & Bot)
D58‐T2‐18 Fillet (stitch) 3 2 40 200 Clamp Panel & SHS to flat surface
‐ Ensure no under‐cut. ‐Keep weld a couple of mm clear of cut out
Frame 5 (SHS to Panel‐ Top & Bot)
D58‐T2‐19 Fillet (stitch) 3 2 40 200 Clamp Panel & SHS to flat surface
‐ Ensure no under‐cut. ‐Keep weld a couple of mm clear of cut out
Frame 7 (SHS to Panel‐ Top & Bot)
D58‐T2‐20 Fillet (stitch) 3 2 40 200 Clamp Panel & SHS to flat surface
‐ Ensure no under‐cut. ‐Keep weld a couple of mm clear of cut out
Frame 9 (SHS to Panel‐ Top & Bot)
D58‐T2‐21 Fillet (stitch) 3 2 40 200 Clamp Panel & SHS to flat surface
‐ Ensure no under‐cut. ‐Keep weld a couple of mm clear of cut out
Tank Bay Sides (SHS blocks to Panel‐ Top & Bot)
D58‐T2‐24 Fillet (continuous)
3 2 Con
Clamp Panel & SHS to flat surface
‐ Ensure no under‐cut.
Gunwale Support (SHS to Panel)
D58‐T2‐58 Fillet (stitch staggered)
3 2 40 200
Clamp Panel & SHS to flat surface (pack panel into right spot)
‐ Ensure no under‐cut. ‐Keep weld a couple of mm clear of edge
AFT Locker ( Seat vertical Stffeners)
D58‐T2‐36 Fillet (stitch staggered)
3 2 20 4 equal spaces
Clamp Panel & SHS to flat surface (pack panel into right spot)
‐ Ensure no under‐cut.
D58‐T2 Page 2 of 6
Pre‐Assembly Location Drawing
Number Weld Type Weld
Leg Length (mm)
Weld Throat Distance (mm)
Min Weld Length (mm)
Max Spacing (mm)
Distortion Control Comments Welders Signature Checkers Signature Surveyor Signature
Gunwale Support ( Cable Tube to Panel)
D58‐T2‐58 Fillet (stitch staggered)
3 2 20 4 equal spaces
Clamp Panel & SHS to flat surface (pack panel into right spot)
‐ Ensure no under‐cut.
Stringer Assembly Joints
D58‐T2‐37, & 38
Butt (continuous)
6.5 3.5 Con Both sides
Clamp Stringer to flat surface ‐ Ensure no under‐cut.
Anchor Box D58‐T2‐51, 52 & 54
Fillet (continuous)
3 2 200 ‐ Tacked prior to welding ‐ allow to cool between welds
‐ Ensure no under‐cut. ‐ Ensure all edges are straight with no distortion. ‐ Flatten with hammer after welding
Note. The hull without Cabin structure & Flooring of the vessel is to be assembled with good quality tacks @ 100mm spaces prior to final welding components
Hull Assembly Location Drawing
Number Weld Type Weld
Leg Length (mm)
Weld Throat Distance (mm)
Min Weld Length (mm)
Max Spacing (mm)
Distortion Control Comments Welders Signature Checkers Signature
Surveyors Signature
Pod Transom (Panel to keel)
D58‐T2‐13 to 24
Fillet (continuous)
6.5 3.5 Con Both Sides
‐ Let one side cool before welding other ‐ weld after bot sheet fitted
‐ Ensure no under‐cut.
Transom Wall (Panel to keel)
D58‐T2‐16 & 23
Fillet (continuous)
3 2 Con Both Sides
‐ Let one side cool before welding other ‐ weld after bot sheet fitted
‐ Ensure no under‐cut. ‐ Both sides of Keel ‐ Both sides of frame
Frames 2, 3, 5, 7 & 9 (Frames to keel)
D58‐T2‐17 ‐21
Fillet (continuous)
3 2 Con Both Sides
‐ Let one side “fully cool” before welding other ‐ weld after bot sheet fitted
‐ Ensure no under‐cut. ‐ Both sides of Keel ‐ Both sides of frame
Frames 2, 3, 5, 7 & 9 (Frames to bot sheet)
D58‐T2‐17‐21
Fillet (stitch intermittent)
3 2 40 225
‐ Tacked prior to welding ‐ allow to cool between welds
‐ Ensure no under‐cut.
Frames 4, 6 & 8 (Frames to keel)
D58‐T2‐22 Fillet (continuous)
3 2 Con Both Sides
‐ Let one side “fully cool” before welding other ‐ weld after bot sheet fitted
‐ Ensure no under‐cut. ‐ Both sides of Keel ‐ Both sides of frame
Frames 4, 6 & 8 (Frames to Bot Sheet)
D58‐T2‐22 Fillet (stitch intermittent)
3 2 40 225
‐ Tacked prior to welding ‐ allow to cool between welds
‐ Ensure no under‐cut.
Stringers to frames Fillet (continuous)
3 2 Con Both Sides
‐ Let one side cool before welding other ‐ weld after bot sheet fitted
‐ Ensure no under‐cut. ‐ Both sides of frame
Stringers to Bot sheet Fillet (stitch intermittent)
3 2 40 225
‐ Tacked prior to welding ‐ allow to cool between welds
‐ Ensure no under‐cut.
Transom Wall to bot Sheet
Fillet (stitch intermittent)
3 2 40 225
‐ Tacked prior to welding ‐ allow to cool between welds
‐ Ensure no under‐cut.
D58‐T2 Page 3 of 6
Hull Assembly Location Drawing
Number Weld Type Weld
Leg Length (mm)
Weld Throat Distance (mm)
Min Weld Length (mm)
Max Spacing (mm)
Distortion Control Comments Welders Signature Checkers Signature
Surveyors Signature
Transom Wall to side Sheet (aft side)
Fillet (stitch intermittent)
3 2 40 225
‐ Tacked prior to welding ‐ allow to cool between welds ‐Wet cool with rag as welding
‐ Ensure no under‐cut.
Transom Wall to side Sheet (forward side)
Fillet (continuous)
3 2 Con For side ‐ weld after bot sheet and side sheets are fitted ‐Wet cool with rag as welding
‐ Ensure no under‐cut.
Bottom Sheet to Keel & 20mm Dia Bar
Fillet (continuous)
3 2 Con Both sides
‐ Tacked before welding ‐ weld after bot sheet and Rod fitted ‐ Done while hull upside down
‐ Ensure no under‐cut. ‐ Ensure inside well tacked at max 100 ctrs Prior to welding ‐ Ensure Bar ends 600mm short of transom
Bottom Sheet to Chine section (underside)
Fillet (continuous)
3 2 Con Outside ‐ Tacked before welding ‐ weld after bot sheet and chine section fitted ‐ Done while hull upside down
‐ Ensure no under‐cut. ‐ Ensure inside well tacked at max 100 ctrs Prior to welding
Side Sheet & Gunwale section (underside)
Fillet (continuous)
3 2 Con Outside Side
‐ Tacked before welding ‐ weld after side sheet and gunwale section fitted ‐ Done while hull upside down
‐ Ensure no under‐cut. ‐ Ensure inside well tacked at max 100 ctrs Prior to welding
Frames 4, 6 & 8 (Panel to side)
D58‐T2‐22 Fillet (stitch) 3 2 40 225 ‐ Tack prior to welding ‐Wet cool with rag as welding ‐ allow to cool between welds
‐ Ensure no under‐cut.
Tank Bay sides to Bot sheet
Fillet (stitch staggered)
3 2 40 225
‐ Tacked prior to welding ‐ allow to cool between welds
‐ Ensure no under‐cut.
Tank Bay sides to frames
Fillet (stitch staggered)
3 2 40 225
‐ Tacked prior to welding ‐ allow to cool between welds
‐ Ensure no under‐cut.
Tank Bay sides to Frames, (ends)
Fillet (stitch staggered)
3 2 40 225
‐ Tacked prior to welding ‐ allow to cool between welds
‐ Ensure no under‐cut.
Tank Bay sides to Tank Bay bottom,.
D58‐T2‐ 24 & 25
Fillet (continuous)
3 2 Con Inside corners
‐ weld after tank bay bottom sheets fitted
‐ Ensure no under‐cut. ‐ Seal weld
Tank Bay bottom to ends (frames)
Fillet (continuous)
3 2 Con Inside corners
‐ Tacked prior to welding ‐ weld after tank bay bottom sheets fitted
‐ Ensure no under‐cut. ‐ Ensure compartment seal welded
Longitudinal Floor Stringers to Frames
D58‐T2‐41 Fillet (continuous)
3 2 Con Both Sides
‐ Let one side cool before welding other
‐ Ensure no under‐cut. ‐ Both sides of frame ‐ No weld on top or bot of Floor Stringer
Transverse Floor Stringers
D58‐T2‐42 Fillet (continuous)
3 2 Con Both Sides
‐ Let one side cool before welding other
‐ Ensure no under‐cut. ‐ Both sides of longitudinal floor stringers ‐ Both sides of transverse floor stringers ‐ No weld on top or bot of Floor Stringer
Pod Floor Stiffeners D58‐T2‐26 Fillet (continuous)
3 2 Con Both Sides
‐ Let one side cool before welding other
‐ Ensure no under‐cut. ‐ Both sides of longitudinal floor stringers against pod & transom wall ‐ Both sides of transverse floor stringers
D58‐T2 Page 4 of 6
Hull Assembly Location Drawing
Number Weld Type Weld
Leg Length (mm)
Weld Throat Distance (mm)
Min Weld Length (mm)
Max Spacing (mm)
Distortion Control Comments Welders Signature Checkers Signature
Surveyors Signature
‐ No weld on top or bot of Floor Stringer Pod Floor sheet D58‐T2‐26
Fillet
(continuous) 3 2 Con Both
Sides (ends)
‐ Tack prior to welding
‐ Ensure no under‐cut.
Pod Floor sheet D58‐T2‐26
Slot Welds 3 2 100 300 ‐ Tack prior to welding ‐ Used to Hold floor down in place
25mm Floor Support Tubes
D58‐T2‐07 Fillet (continuous)
3 2 Con Both Sides
‐ Tack prior to welding
‐ Ensure no under‐cut. ‐Tube welded to side of RHS ‐Tube welded to side of ½ Frame
Cockpit floor (Floor to RHS Stringers)
D58‐T2‐43& 44
Slot Welds 3 2 100 300 ‐ Tack prior to welding
‐ Used to Hold floor down in place
Cockpit floor (Floor to sides)
D58‐T2‐43 & 44
Fillet (continuous)
3 2 Con Top side to seal
‐ Tack prior to welding ‐Wet cool with rag as welding ‐Sequence weld at max 350mm length per sequence
‐ Ensure no under‐cut.
Cockpit floor (Floor to floor & RHS) (Tank bay)
D58‐T2‐43 & 44
Fillet (continuous)
3 2 Con Top side to seal
‐ Tack prior to welding ‐ Allow to cool between welds ‐ Clamp with weight on edges edges
‐ Ensure no under‐cut.
Gunwale Support Bot D58‐T2‐58
Fillet (continuous)
3 2 Con Both Sides
‐ Tack prior to welding
‐ Ensure no under‐cut. ‐ Leave back of SHS un welded for drainage
Gunwale Support to Side sheet & top
D58‐T2‐58
Fillet (stitch staggered)
3 2 40 225
‐ Tack prior to welding ‐Wet cool with rag as welding
‐ Ensure no under‐cut.
Transom shelves to side panels & internal shelf all round
D58‐T2‐32,& 33
Fillet (stitch) 3 2 40 225 ‐ Tack prior to welding ‐Wet cool with rag as welding ‐ allow to cool between welds
‐ Ensure no under‐cut.
Transom side shelves to transom wall
Fillet (stitch) 3 2 40 225 ‐ Tack prior to welding ‐ Allow to cool between welds
‐ Ensure no under‐cut.
Aft Locker to Transom wall
D58‐T2‐16,& 36
Fillet (continuous)
3 2 Con Outside
‐ Tacked before welding ‐ Seal weld ‐ Leave bottom notched corner un welded
‐ Ensure no under‐cut. ‐ Ensure well tacked inside at max 100 ctrs Prior to welding
Aft Locker top (Gunwale)
D58‐T2‐36
Fillet (continuous)
3 2 Con Outside
‐ Tacked before welding ‐ Seal weld
‐ Ensure no under‐cut. ‐ Ensure well tacked inside at max 100 ctrs Prior to welding ‐TIG Welded (would be better)
Aft Locker to Cockpit floor
D58‐T2‐36, 43 & 44
Fillet (continuous)
3 2 Con Outside
‐ Tacked before welding ‐ Seal weld
‐ Ensure no under‐cut. ‐ Ensure well tacked inside at max 100 ctrs Prior to welding
Side Shelf to side D58‐T2‐32 & 33
Fillet (stitch staggered)
3 2 40 225
‐ Tack prior to welding ‐Wet cool with rag as welding
‐ Ensure no under‐cut.
Side Shelf to Gunwale D58‐T2‐32, Fillet (stitch 3 2 40 225 ‐ Tack prior to welding ‐ Ensure no under‐cut.
D58‐T2 Page 5 of 6
Hull Assembly Location Drawing
Number Weld Type Weld
Leg Length (mm)
Weld Throat Distance (mm)
Min Weld Length (mm)
Max Spacing (mm)
Distortion Control Comments Welders Signature Checkers Signature
Surveyors Signature
stiffeners & other Side Shelves
33 & 58
staggered) ‐Wet cool with rag as welding
Side Sheet to Chine section (Top side)
Fillet (continuous)
3 2 Con Outside ‐ Tacked before welding ‐ weld after bot sheet and chine section fitted ‐ Done while hull right way up
‐ Ensure no under‐cut. ‐ Ensure inside well tacked at max 100 ctrs Prior to welding
Side Sheet & Gunwale section (Top side)
Fillet (continuous)
3 2 Con Outside Side
‐ Tacked before welding ‐ weld after side sheet and gunwale section fitted ‐ Done while hull right way up
‐ Ensure no under‐cut. ‐ Ensure inside well tacked at max 100 ctrs Prior to welding
Transom Infill & Slopping Panels
D58‐T2‐27
Fillet (continuous)
3 2 Con Outside Top & Side
‐ Tacked before welding ‐ weld after side sheet and gunwale section fitted
‐ Ensure no under‐cut. ‐ Ensure well tacked at max 100 ctrs Prior to welding ‐ TIG Welded
Engine Well D58‐T2‐29
Fillet (continuous)
3 2 Con Outside
‐ Tacked before welding ‐ Seal weld
‐ Ensure no under‐cut. ‐ Ensure well tacked at max 100 ctrs Prior to welding ‐ TIG Welded
Bow Spite D58‐T2‐39 & 40
Fillet (continuous)
3 2 Con Outside
‐ Tacked before welding ‐ Seal weld
‐ Ensure no under‐cut. ‐ Ensure well tacked at max 100 ctrs Prior to welding ‐TIG Welded (would be better)
Instrument Panel Dash bulkhead
D58‐T2‐49 & 57
Fillet (continuous)
3 2 Con Outside
‐ Tacked before welding ‐ Seal weld
‐ Ensure no under‐cut. ‐ Ensure well tacked at max 100 ctrs Prior to welding ‐TIG Welded (would be better)
Anchor Well to Gunwale
Fillet (continuous)
3 2 Con inside
‐ Tacked before welding ‐ Seal weld
‐ Ensure no under‐cut. ‐ Ensure well tacked at max 100 ctrs Prior to welding
Anchor Well to Cabin sides
Fillet (continuous)
3 2 Con inside
‐ Tacked before welding ‐ Seal weld
‐ Ensure no under‐cut. ‐ Ensure well tacked at max 100 ctrs Prior to welding
Anchor Well to Cabin Bonet
Fillet (stitched)
3 2 40 225
‐ Tack prior to welding ‐Wet cool with rag as welding
‐ Ensure no under‐cut.
Cabin Stiffeners to outside sheeting
D58‐T2‐57
Fillet (stitch staggered)
3 2 40 225
‐ Tack prior to welding ‐Wet cool with rag as welding
‐ Ensure no under‐cut.
Anchor Well Bulkhead to side sheet
D58‐T2‐ 54
Fillet (stitch staggered)
3 2 40 225
‐ Tack prior to welding ‐ Ensure no under‐cut.
Cabin nose plate Stiffeners to Stiffeners
D58‐T2‐59 Fillet (continuous)
3 2 Con Both Sides
‐ Tack prior to welding
‐ Ensure no under‐cut. ‐ Weld sides only
Cabin Sides to Bonet D58‐T2‐47 & 48
Fillet (continuous)
3 2 Con Outside
‐ Tacked before welding ‐ Seal weld
‐ Ensure no under‐cut. ‐ Ensure well tacked inside at max 100 ctrs ‐Prior to welding
D58‐T2 Page 6 of 6
Hull Assembly Location Drawing
Number Weld Type Weld
Leg Length (mm)
Weld Throat Distance (mm)
Min Weld Length (mm)
Max Spacing (mm)
Distortion Control Comments Welders Signature Checkers Signature
Surveyors Signature
‐TIG Welded (would be better) Cabin Sides to Gunwale
D58‐T2‐47 & 48
Fillet (continuous)
3 2 Con Outside
‐ Tacked before welding ‐ Seal weld
‐ Ensure no under‐cut. ‐ Ensure well tacked inside at max 100 ctrs ‐Prior to welding ‐MIG Weld
Dash Panel to Bonet & Cabin Side (including cabin window sills)
D58‐T2‐48, 49 & 50
Fillet (continuous)
3 2 Con Outside
‐ Tacked before welding ‐ Seal weld
‐ Ensure no under‐cut. ‐ Ensure well tacked at max 100 ctrs Prior to welding ‐TIG Welded (would be better)
Dash Panel to Dash Bulkhead Panel
D58‐T2‐49 & 56
Fillet (continuous)
3 2 Con Outside
‐ Tacked before welding ‐ Seal weld
‐ Ensure no under‐cut. ‐ Ensure well tacked inside at max 100 ctrs Prior to welding ‐TIG Welded (would be better)
Dash Bulkhead Panel to Side Sheet
D58‐T2‐11 & 56
Fillet (stitched)
3 2 40 225
‐ Tack prior to welding (max 100mm, inside cabin) ‐Wet cool with rag as welding
‐ Ensure no under‐cut.
Cabin Targa bar infill & top
D58‐T2‐50
Fillet (continuous)
3 2 Con Both Sides
‐ Tack prior to welding
‐ Ensure no under‐cut. ‐ Weld sides only ‐TIG Welded (would be better)
Bow Rails & Hand Railing
Fillet (continuous)
3 2 Con Outside
‐ Tacked before welding ‐ Seal weld
‐ Ensure no under‐cut. ‐ Ensure well tacked Prior to welding ‐TIG Welded ‐Drill 3mm hole to prevent vapor pressure
Notes 1) All welding procedure are to be IAW AS/NZS 1665 2) All alloys are to be:
a. Structural Components Sheet 5083‐H321 b. Extrusions 6061‐T6 c. Non structural floor sheets 5251 d. Filler wire 5356
3) Shielding Gases to be Welding Grade Argon, (Pure). 4) Filler materials to be stored in their original containers and kept dry and out of the weather. 5) Filler materials are to be free of corrosion and impurities. 6) All materials to be store in suitable covered storage. 7) All materials of different alloy are to be segregated and identified. 8) All welders are to be qualified before commencing work