Best Tank Calculation Sheet
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STORAGE TANK DESIGN CALCULATION - API 650 1 .0 DE SIGN CO DE & S PE CIF IC AT IO N DESIGN CODE : API 650 11th Edition 1 .1 TANK Item number : 7061T-3901 Roof ( Open/Close ) : Close Type of roof ( Cone-roof / Dome-roof / Flat-roof / NA ) : Floating Roof 1 .2 GEOMETRIC DATA Inside diameter , Di ( corroded ) (@ 39,000 mm ) = 39,006 mm Nominal diameter, Dn ( new ) ( based on 1st shell course ) = 39,028 mm Nominal diameter, Dc ( corroded ) ( based on 1st shell course ) = 39,031 mm Tank height (tan/tan), H = 20,700 mm Specific gravity of operating liquid , S.G. (Actual) = 0.790 Specific gravity of operating liquid , S.G. (Design) = 1.00 Nominal capacity , V = 24736 m³ Maximum design liquid level, HL = 20,700 mm 1 .3 PRESSURE & TEMPERATURE Design pressure : Upper , Pu (Atmospheric) = 0.00 mbarg : Lower , Pl = 0.00 mbarg Vac Design temperature : Upper , Tu = 70 °C : Lower , Tl = -17 °C 1 .4 MA TE RIA L & ME CH ANIC AL PR OP ER TIE S Component Material Tensile Yield Corrosion Stress Stress Allowance St(N/mm²) Sy(N/mm²) c.a.(mm) PLATE Shell Plate ( Mat'l Code # 1 ) (bot) A 516 GR. 65N 448.00 241.00 3.000 ( Mat'l Code # 2 ) (top) A 516 GR. 65N 448.00 241.00 3.000 Annular Plate A 516 GR. 65N 448.00 241.00 3.000 Bottom Plate A 516 GR. 65N 448.00 241.00 3.000 Roof Plate A 516 GR. 65N 448.00 241.00 3.000 STRUCTURE MEMBERS Roof structure (rafter,bracing,etc ) A 516 GR. 65N 448.00 241.00 3.00 Top Curb Angle A 516 GR. 65N 448.00 241.00 3.00 Intermediate Wind Girder A 516 GR. 65N 448.00 241.00 3.00
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Best Tank Calculation Sheet
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API650STORAGE TANK DESIGN CALCULATION - API 650
1.0DESIGN CODE & SPECIFICATIONDESIGN CODE:API 650 11th Edition
1.1TANKItem number:7061T-3901OpenSelf-supportedCone-roofRoof ( Open/Close ):CloseCloseColumn-supportedDome-roofTank support (Self-supported / Column-supported / NA):NANAFlat-roofType of roof ( Cone-roof / Dome-roof / Flat-roof / NA ):Floating RoofOpen-roofFloating Roof1.2GEOMETRIC DATAInside diameter , Di ( corroded ) (@39,000mm )=39,006mmNominal diameter, Dn ( new ) ( based on 1st shell course )=39,028mmNominal diameter, Dc ( corroded ) ( based on 1st shell course )=39,031mmTank height (tan/tan), H=20,700mmSpecific gravity of operating liquid , S.G. (Actual)=0.790Specific gravity of operating liquid , S.G. (Design)=1.00Nominal capacity , V=24736mMaximum design liquid level, HL=20,700mm1.3PRESSURE & TEMPERATUREDesign pressure : Upper , Pu(Atmospheric)=0.00mbarg: Lower , Pl=0.00mbarg VacDesign temperature : Upper , Tu=70C: Lower , Tl=-17C
1.4MATERIAL & MECHANICAL PROPERTIES
ComponentMaterialTensileYieldCorrosionStressStressAllowanceSt(N/mm)Sy(N/mm)c.a.(mm)PLATEShell Plate( Mat'l Code # 1 ) (bot)A 516 GR. 65N448.00241.003.000( Mat'l Code # 2 ) (top)A 516 GR. 65N448.00241.003.000Annular PlateA 516 GR. 65N448.00241.003.000Bottom PlateA 516 GR. 65N448.00241.003.000Roof PlateA 516 GR. 65N448.00241.003.000STRUCTURE MEMBERSRoof structure (rafter,bracing,etc )A 516 GR. 65N448.00241.003.00Top Curb AngleA 516 GR. 65N448.00241.003.00Intermediate Wind GirderA 516 GR. 65N448.00241.003.00
SHELL THICKNESS CALCULATION BY ONE-FOOT METHOD2.0SHELL DESIGN 2.1GEOMETRIC DATAPlate size used:2,440mmShell plate min. width as per PTS 34.51.01.31 clause 6.3:1,500mm
2.2MATERIAL & MECHANICAL PROPERTIES
NoMaterialSpecifiedSpecifiedYield stressMax. allowMax. allowCorrosionJointYIELD STRENGTH REDUCTION FACTOR, kusedmin. tensilemin. yieldreduction facdesignhydro.testallowanceEfficiencyTemp.(F)Minimum Specified Yield Strength ( psi )stressstress( App. M )stressstress< 45,00045,000 x < 55,000 55,000St (N/mm)Sy (Nmm)kSd (N/mm)St (N/mm)c.a (mm)E2010.910.880.92NILNILNILNIL1A 516 GR. 65N448.00241.001.000160.67180.753.001.003000.880.810.872A 516 GR. 65N448.00241.001.000160.67180.753.001.00NILNILNILNIL3A 516 GR. 65N448.00241.001.000160.67180.753.001.004000.850.750.834A 516 GR. 65N448.00241.001.000160.67180.753.001.00NILNILNILNIL5A 516 GR. 65N448.00241.001.000160.67180.753.001.005000.800.700.796A 516 GR. 65N448.00241.001.000160.67180.753.001.007A 516 GR. 65N448.00241.001.000160.67180.753.001.008A 516 GR. 65N448.00241.001.000160.67180.753.001.00Notes :App.A (case tsc
