Floating roof tank underside Welding
Floating roof tank underside Welding
(OP)
How to interpret it
Code: API 650
Annex C
C.3.3.3: Deck plates shall be joined by continuous full-fillet welds on the top side. On the bottom side, where flexure
can be anticipated adjacent to girders, support legs, or other relatively rigid members, full-fillet welds not less than
50 mm (2 in.) long on 250 mm (10 in.) centers shall be used on any plate laps that occur within 300 mm (12 in.) of any
such members. A minimum of three fillet welds shall be made..
Is stitch weld is required on roof bottom sides Or leave it with No weld.
Code: API 650
Annex C
C.3.3.3: Deck plates shall be joined by continuous full-fillet welds on the top side. On the bottom side, where flexure
can be anticipated adjacent to girders, support legs, or other relatively rigid members, full-fillet welds not less than
50 mm (2 in.) long on 250 mm (10 in.) centers shall be used on any plate laps that occur within 300 mm (12 in.) of any
such members. A minimum of three fillet welds shall be made..
Is stitch weld is required on roof bottom sides Or leave it with No weld.





RE: Floating roof tank underside Welding
RE: Floating roof tank underside Welding
Is stitch weld is required on ENTIRE roof bottom sides Or leave it with No weld except the locations where flexure is anticipated.
RE: Floating roof tank underside Welding
RE: Floating roof tank underside Welding