Understanding APIICP653 Reading 2-650-Selected Reading

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Minimum spacing shall be 8 times the shell thickness or 1 /2 the radius of the opening, whichever is less See 5.7.3 C L of butt-welded shell joint Extent of radiography 1.5D P 1.5D P Toe of weld Detail a Detail b Penetration Without Reinforcing Plate Minimum spacing shall be 8 times the shell thickness See 5.7.3 C L of butt-welded shell joint Minimum spacing shall be 8 times the shell thickness or 1 /2 the radius of the opening, whichever is less C L of butt-welded shell joint Extent of radiography 1.5D P 1.5D P Toe of weld Toe of weld 1.5D P 1.5D P Extent of radiography Reinforcing plate Reinforcing plate Detail c Detail d Detail e Note: D p = diameter of opening. Penetration With Reinforcing Plate Figure 5.9—Minimum Spacing of Welds and Extent of Related Radiographic Examination
Shell plate of lowest shell course = t C (See Note 1) One telltale 6 mm ( 1 /4 in.) hole in reinforcing plate at about mid-height 6 mm ( 1 /4 in.) Nearest horizontal weld See Detail b B Shell plate at cleanout fitting = t d r 2 Equal spaces g e Reinforcing plate = t d f 3 Flange bolt-hole diameter = bolt diameter (see Tables 5-9a and 5-9b) + 3 mm ( 1 /8 in.) 6 mm ( 1 /4 in.) r 1 b/2 f 2 A (See Note 5) (See Note 5) 375 mm (15 in.) min C L See Detail a 125 mm (5 in.) t c h t d See Detail b for top and sides Bottom plate B f 3 6 mm ( 1 /4 in.) 150 mm 300 mm W/2 arc dimensions (6 in.) min (12 in.) min Notch as required to provide flush joint under shell ring (see Section D-D) t d 175 mm (5 in.) 50 mm t d (2 in.) Full-fillet 38 mm weld (1 1 /2") (See Note 1) 5 mm ( 3 /16 in.) or 6 mm ( 1 /4") t b Section B-B 75 mm (3 in.) radius 5 mm ( 3 /16 in.) Equal spaces Detail a e A 10 mm ( 3 /8 in.) thick 38 mm (1 1 /2") 75 mm (3 in.) Lifting Lug 38 mm (1 1 /2") Cover plate Versine 6 mm ( 1 /4 in.) t b Section A-A Grind radius on corner when weld is less than t d t d [40 mm (1 1 /2 in.) max] Detail b t d t d D 32 mm (1 1 /4 in.) min Full-penetration weld (See Note 3) D 32 mm (1 1 /4 in.) min Section D-D 6 mm ( 1 /4 in.) 6 mm ( 1 /4 in.) 90 degrees ± 30 degrees 125 mm (5 in.) min 6 mm ( 1 /4 in.) Section C-C Notes: 1. Thickness of thinner plate joined (13 mm [ 1 / 2 in.] maximum). 2. When an annular plate is provided, the reinforcing plate shall be regarded as a segment of the annular plate and shall be the same width as the annular plate. 3. When the difference between the thickness of the annular ring and that of the bottom reinforcing plate is less than 6 mm ( 1 / 4 in.), the radial joint between the annular ring and the bottom reinforcing plate 32 mm (1 1 /4 in.) min t d + t d + 250 mm (10 in.) (see Note 2) (See Note 1) t d [19 mm ( 3 /4 in.) max] Figure 5.12—Flush-Type Cleanout Fittings (see Tables 5.9a, 5.9b, 5.10a, 5.10b, 5.11a, and 5.11b) f 3 e t c 5 mm ( 3 /16 in.) Round and grind t d (See Note 5) Neck bevel shall be approximately 10 degrees may be butt-welded with a weld joint suitable for complete penetration and fusion. 4. Gasket material shall be specified by the Purchaser. The gasket material shall meet service requirements based on product stored, design metal temperature, maximum design temperature and fire resistance. 5. The thickness (t d ) of the shell plate at the cleanout opening, the reinforcing plate, and the neck plate, shall be equal to or greater than the thickness (t) of the shell plate of the lowest shell course. •
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Understanding APIICP653 Reading 2 A
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Petroleum Tank Charlie Chong/ Fion
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API 653 Exam Administration -- Publ
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ATTENTION: Only the following secti
Page 9 and 10: • American Society of Mechanical
Page 11 and 12: Charlie Chong/ Fion Zhang
Page 15 and 16: API650-2013 BOK Search Keyword “6
Page 17 and 18: I. CALCULATIONS & TABULAR EVALUATIO
Page 19 and 20: 4. WELD SIZES FOR SHELL & ROOF OPEN
Page 21 and 22: 10. RECONSTRUCTED TANK SHELL - MINI
Page 23 and 24: A. The inspector should have the kn
Page 25 and 26: III. NONDESTRUCTIVE EXAMINATION ASM
Page 27 and 28: 10. API 650, Annex D 11. API 650, A
Page 29 and 30: API Standard 653, Tank Inspection,
Page 31 and 32: A. Calculation questions will be or
Page 33 and 34: 8.1.1 Application Radiographic exam
Page 35 and 36: Figure 8.1—Radiographic Requireme
Page 37 and 38: Figure 8.1—Radiographic Requireme
Page 39 and 40: 6. Complete radiograph of each vert
Page 41 and 42: c) Vertical joints in which the she
Page 43 and 44: 8.1.2.3 One spot radiograph shall b
Page 45 and 46: 8.1.2.9 When bottom annular plates
Page 47 and 48: 8.1.3.3 The requirements of T-285 i
Page 49 and 50: 8.1.6 Determination of Limits of De
Page 51 and 52: 8.1.7 Repair of Defective Welds 8.1
Page 55 and 56: 4. WELD SIZES FOR SHELL & ROOF OPEN
Page 57 and 58: C L Nozzle Neck bevel should be abo
Page 59: C L Regular Low type t A (see Note
Page 63 and 64: 16-mm ( 5 /8-in.) diameter bolts in
Page 65 and 66: 5 mm ( 3 /16 in.) 6 mm ( 1 /4 in.)
Page 67 and 68: Table 5.6a—Dimensions for Shell N
Page 69 and 70: Column 1 Column 2 Column 3 Column 4
Page 71 and 72: 8. IMPACT TESTING The inspector sho
Page 73 and 74: 4.2.9.3 An impact test shall be per
Page 75 and 76: NOTE 1 The Group II and Group V lin
Page 77 and 78: Table 4.3a—Linear Equations for F
Page 81 and 82: 10. RECONSTRUCTED TANK SHELL - MINI
Page 83 and 84: 5.6.3.2 The required minimum thickn
Page 85 and 86: A. The inspector should have the kn
Page 87 and 88: 9.2.1.2 The welding procedures used
Page 89 and 90: 9.2.2 Impact Tests 9.2.2.1 Impact t
Page 91 and 92: 9.2.2.5 Impact tests shall show min
Page 93 and 94: C. API-650 and API-653: General wel
Page 95 and 96: API Standard 653, Tank Inspection,
Page 97 and 98: BODY OF KNOWLEDGE API-653 ABOVEGROU
Page 99 and 100: Determining joint efficiency may be
Page 101 and 102: Calculate “MRT”, minimum remain
Page 103 and 104: III. NONDESTRUCTIVE EXAMINATION ASM
Page 105 and 106: 7. NDE requirements for eddy curren
Page 107 and 108: a) types of tanks covered b) applic
Page 109 and 110: API-653 ABOVEGROUND STORAGE TANK Pu
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http://independent.academia.edu/Cha
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Charlie Chong/ Fion Zhang
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Good Luck! Charlie Chong/ Fion Zhan
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