TWI Oilfield Fabrication 1560 River Road Fruita, Colorado 81521 Date Printed: 11/27/2012 CUSTOMER TAQA North LTD 1106 West 2nd Street Suite 2 Williston, ND 58801 VESSEL LOCATION TAQA North LTD 1106 West 2nd Street Suite 2 Williston, ND 58801 VESSEL DESCRIPTION 30"x96" 300 MAWP VT Sand Seperator Vessel designed with DesignCalcs, Version: 2013.0 Vessel is ASME Code Stamped Wind Analysis performed in accordance with IBC 2006 Seismic Analysis performed in accordance with IBC 2006 T.M. No: CW15011 Vessel Number: CW15011.1 NAMEPLATE INFORMATION Vessel MAWP: 300.00 PSI at 100 °F MDMT: -20 °F at 300.00 PSI Serial Number(s): CW15011.1 National Board Number(s): __________________________________ Year Built: 2012 Radiography: NONE Postweld Heat Treated: NONE Construction Type: W Signatures Authorized Inspector:_______________________________________________________________ Date: ____/____/____ Jim Radigan Detailing Supervisor:_______________________________________________________________ Date: ____/____/____ Kelly Chamberlain Quality Control Manager:_______________________________________________________________ Date: ____/____/____ Kelly Chamberlain Fabrication Supervisor:_______________________________________________________________ Date: ____/____/____ Kelly Chamberlain
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TWI Oilfield Fabrication1560 River Road Fruita, Colorado 81521
Min. Temperature Curve: B Pressure at MDMT: 300.00 PSIUCS-66(b) reduction: Yes Minimum Design Metal Temperature: -20 °FUCS-68(c) reduction: No Computed Minimum Temperature: -50 °F
Design Thickness Calculations
Longitudinal Stress Calculations per Paragraph UG-27(c)(2)
t = PR
2SE + 0.4P =
300.00 * 14.5625
2 * 20000 * 0.70 + 0.4 * 300.00 = 0.1554 + 0.0625 ( c o r r o s i o n ) + 0.0000 (ext. corrosion) = minimum of 0.2179 i n .
Circumferential Stress Calculations per Appendix 1-1(a)(1)
t = PRo
SE + 0.4P=
300.00 * 15.0000
20000 * 0.70 + 0.4 * 300.00 = 0.3187 + 0.0625 ( c o r r o s i o n ) + 0.0000 (ext. corrosion) = minimum of 0.3812 i n .
Extreme Fiber Elongation Calculation per Paragraph UCS-79
Head Material: SA-516 Gr. 70 Factor B Chart: CS-2Material Stress (hot): 20000 PSI
Corrosion Allowance: 0.1250 in. Material Stress (cold): 20000 PSIExternal Corrosion Allowance: 0.0000 in. Actual Head Stress: 19984 PSI
Head Location: Left Straight Flange : 0.0000 in.Outside Diameter : 30.0000 in. Head Depth (ho) : 7.7500 in.
Thin Out : 0.0625 in.
K = 1
6 [2 + (D/2h)² ] : 0.99
Head Surface Area: 6.59 Sq. Ft. Specific Gravity: 1.00Head Estimated Volume: 13.82 Gal. Weight of Fluid: 115.28 lb.
Head Weight: 132.80 lb. Total Flooded Head Weight: 248.08 lb.
Minimum Design Metal Temperature Data
Min. Temperature Curve: C Pressure at MDMT: 300.00 PSIUCS-66(b) reduction: Yes Minimum Design Metal Temperature: -20 °FUCS-68(c) reduction: No Computed Minimum Temperature: -55 °F
Design Thickness Calculations
Design Thickness Calculations per Appendix 1-4(c)
t = PDoK
2SE + 2P(K - 0.1) =
300.00 * 30.0000 * 0.99
2 * 20000 * 0.70 + 2 * 300.00 * (0.99 - 0.1)
= 0.3123 + 0.1250 ( c o r r o s i o n ) + 0.0000 (ext. corrosion) + 0.0625(thin out) = minimum of 0.4998 i n .
Extreme Fiber Elongation Calculation per Paragraph UCS-79
elongation = 75t
Rf =
75 * 0.5000
5.0150 = elongation of 7.48 %
Nominal Head Thickness Selected = 0.5000 i n .Minimum Thickness after forming, ts (uncorroded) = 0.4375 i n .
Head Material: SA-516 Gr. 70 Factor B Chart: CS-2Material Stress (hot): 20000 PSI
Corrosion Allowance: 0.1250 in. Material Stress (cold): 20000 PSIExternal Corrosion Allowance: 0.0000 in. Actual Head Stress: 19984 PSI
Head Location: Right Straight Flange : 0.0000 in.Outside Diameter : 30.0000 in. Head Depth (ho) : 7.7500 in.
Thin Out : 0.0625 in.
K = 1
6 [2 + (D/2h)² ] : 0.99
Head Surface Area: 6.59 Sq. Ft. Specific Gravity: 1.00Head Estimated Volume: 13.82 Gal. Weight of Fluid: 115.28 lb.
Head Weight: 132.80 lb. Total Flooded Head Weight: 248.08 lb.
Minimum Design Metal Temperature Data
Min. Temperature Curve: C Pressure at MDMT: 300.00 PSIUCS-66(b) reduction: Yes Minimum Design Metal Temperature: -20 °FUCS-68(c) reduction: No Computed Minimum Temperature: -55 °F
Design Thickness Calculations
Design Thickness Calculations per Appendix 1-4(c)
t = PDoK
2SE + 2P(K - 0.1) =
300.00 * 30.0000 * 0.99
2 * 20000 * 0.70 + 2 * 300.00 * (0.99 - 0.1)
= 0.3123 + 0.1250 ( c o r r o s i o n ) + 0.0000 (ext. corrosion) + 0.0625(thin out) = minimum of 0.4998 i n .
Extreme Fiber Elongation Calculation per Paragraph UCS-79
elongation = 75t
Rf =
75 * 0.5000
5.0150 = elongation of 7.48 %
Nominal Head Thickness Selected = 0.5000 i n .Minimum Thickness after forming, ts (uncorroded) = 0.4375 i n .
Nozzle Material: SA-106 Gr. B Joint Efficiency (E1): 1.00Factor B Chart: CS-2
External Projection: 5.0000 in. Allowable Stress at Design Temperature (Sn): 17100 PSIInternal Projection: 0.0000 in. Allowable Stress at Ambient Temperature: 17100 PSI
Inside Corrosion Allowance: 0.1250 in. Correction Factor (F): 1.00External Corrosion Allowance: 0.0000 in. Nozzle Path: None
Nozzle Pipe Size: 3 Nozzle Pipe Schedule: 160Nozzle ID (new): 2.6240 in. Nozzle Wall Thickness(new): 0.4380 in.
Nozzle ID (corroded): 2.8740 in. Nozzle Wall Thickness(corroded): 0.3130 in.External Limit of Reinforcement: 0.7825 in. Upper Weld Leg Size(Weld 41): 0.3130 in.Internal Limit of Reinforcement: 0.4700 in. Internal Weld Leg Size(Weld 43): 0.0000 in.
Parallel Limit of Reinf (2Lpar): 5.7480 in. Outside Groove Weld Depth: 0.5000 in.Minimum Design Metal Temperature
Min. Temp. Curve: B Pressure at MDMT: 300.00 PSIUCS-66(b) reduction: Yes Minimum Design Metal Temperature: -20 °FUCS-68(c) reduction: No Computed Minimum Temperature: -147 °F
Host Component: Shell 1 - Shell 1
Material: SA-516 Gr. 70 Shell wall thickness(new): 0.5000 in.Material Stress(Sv): 20000 PSI Shell wall thickness(corroded): 0.4375 in.
Nozzle Detail Information
Upper Weld Leg Size(Weld 41): 0.3130 in.
Nozzle Wall Thickness(tn): 0.4380 in.
Outside Groove Weld Depth: 0.5000 in.
Nozzle passes through the vessel, attached by a groove weld.Pipe Size: 3 Schedule: 160
Nozzle is adequate for UG-45 requirements.Opening is adequately reinforced for Internal Pressure.
Reinforcement calculations are not required per UG-36(c)(3)(a)See Uw-14 for exceptions.Weld Strength Paths are adequate.
Nozzle Material: SA-106 Gr. B Joint Efficiency (E1): 1.00Factor B Chart: CS-2
External Projection: 5.0000 in. Allowable Stress at Design Temperature (Sn): 17100 PSIInternal Projection: 0.0000 in. Allowable Stress at Ambient Temperature: 17100 PSI
Inside Corrosion Allowance: 0.1250 in. Correction Factor (F): 1.00External Corrosion Allowance: 0.0000 in. Nozzle Path: None
Nozzle Pipe Size: 3 Nozzle Pipe Schedule: 160Nozzle ID (new): 2.6240 in. Nozzle Wall Thickness(new): 0.4380 in.
Nozzle ID (corroded): 2.8740 in. Nozzle Wall Thickness(corroded): 0.3130 in.External Limit of Reinforcement: 0.7813 in. Upper Weld Leg Size(Weld 41): 0.3125 in.Internal Limit of Reinforcement: 0.4700 in. Internal Weld Leg Size(Weld 43): 0.0000 in.
Parallel Limit of Reinf (2Lpar): 5.7480 in. Outside Groove Weld Depth: 0.5000 in.Minimum Design Metal Temperature
Min. Temp. Curve: B Pressure at MDMT: 300.00 PSIUCS-66(b) reduction: Yes Minimum Design Metal Temperature: -20 °FUCS-68(c) reduction: No Computed Minimum Temperature: -155 °F
Host Component: Head 2 - Head 2
Material: SA-516 Gr. 70 Head wall thickness(new): 0.5000 in.Material Stress(Sv): 20000 PSI Head wall thickness - thin out (corroded): 0.3125 in.
Nozzle Detail Information
Upper Weld Leg Size(Weld 41): 0.3125 in.
Internal Weld Leg Size(Weld 43): 0.0000 in.
Nozzle Wall Thickness(tn): 0.4380 in.
Outside Groove Weld Depth: 0.5000 in.
Nozzle passes through the vessel, attached by a groove weld.Pipe Size: 3 Schedule: 160
Nozzle is adequate for UG-45 requirements.Opening is adequately reinforced for Internal Pressure.
Reinforcement calculations are not required per UG-36(c)(3)(a)See Uw-14 for exceptions.Weld Strength Paths are adequate.
Nozzle Material: SA-105 Joint Efficiency (E1): 1.00Factor B Chart: CS-2
External Projection: 6.0000 in. Allowable Stress at Design Temperature (Sn): 20000 PSIInternal Projection: 0.0000 in. Allowable Stress at Ambient Temperature: 20000 PSI
Inside Corrosion Allowance: 0.1250 in. Correction Factor (F): 1.00External Corrosion Allowance: 0.0000 in. Nozzle Path: None
Nozzle ID (new): 8.0000 in. Nozzle Wall Thickness(new): 0.8800 in.Nozzle ID (corroded): 8.2500 in. Nozzle Wall Thickness(corroded): 0.7550 in.
External Limit of Reinforcement: 1.0938 in. Upper Weld Leg Size(Weld 41): 0.3125 in.Internal Limit of Reinforcement: 1.0938 in. Internal Weld Leg Size(Weld 43): 0.0000 in.
Parallel Limit of Reinf (2Lpar): 16.5000 in. Outside Groove Weld Depth: 0.5000 in.Minimum Design Metal Temperature
Min. Temp. Curve: B Pressure at MDMT: 300.00 PSIUCS-66(b) reduction: Yes Minimum Design Metal Temperature: -20 °FUCS-68(c) reduction: No Computed Minimum Temperature: -117 °F
Host Component: Shell 1 - Shell 1
Material: SA-516 Gr. 70 Shell wall thickness(new): 0.5000 in.Material Stress(Sv): 20000 PSI Shell wall thickness(corroded): 0.4375 in.
Nozzle Detail Information
Upper Weld Leg Size(Weld 41): 0.3125 in.
Internal Weld Leg Size(Weld 43): 0.0000 in.
Nozzle Wall Thickness(tn): 0.8800 in.
Outside Groove Weld Depth: 0.5000 in.
Nozzle passes through the vessel, attached by a groove weld.Nozzle is adequate for UG-45 requirements.
Opening is adequately reinforced for Internal Pressure.Weld Strength Paths are adequate.
Nozzle Material: SA-106 Gr. B Joint Efficiency (E1): 1.00Factor B Chart: CS-2
External Projection: 8.0000 in. Allowable Stress at Design Temperature (Sn): 17100 PSIInternal Projection: 0.0000 in. Allowable Stress at Ambient Temperature: 17100 PSI
Inside Corrosion Allowance: 0.1250 in. Correction Factor (F): 1.00External Corrosion Allowance: 0.0000 in. Nozzle Path: None
Nozzle Pipe Size: 3 Nozzle Pipe Schedule: 160Nozzle ID (new): 2.6240 in. Nozzle Wall Thickness(new): 0.4380 in.
Nozzle ID (corroded): 2.8740 in. Nozzle Wall Thickness(corroded): 0.3130 in.Developed Opening: 3.0355 in. Tangential Dimension L: 7.3059 in.
External Limit of Reinforcement: 0.7825 in. Upper Weld Leg Size(Weld 41): 0.3125 in.Internal Limit of Reinforcement: 0.4700 in. Internal Weld Leg Size(Weld 43): 0.0000 in.
Parallel Limit of Reinf (2Lpar): 6.6420 in. Outside Groove Weld Depth: 0.5000 in.Minimum Design Metal Temperature
Min. Temp. Curve: B Pressure at MDMT: 300.00 PSIUCS-66(b) reduction: Yes Minimum Design Metal Temperature: -20 °FUCS-68(c) reduction: No Computed Minimum Temperature: -147 °F
Host Component: Shell 1 - Shell 1
Material: SA-516 Gr. 70 Shell wall thickness(new): 0.5000 in.Material Stress(Sv): 20000 PSI Shell wall thickness(corroded): 0.4375 in.
Nozzle Detail Information
Upper Weld Leg Size(Weld 41): 0.3125 in.
Internal Weld Leg Size(Weld 43): 0.0000 in.
Nozzle Wall Thickness(tn): 0.4380 in.
Outside Groove Weld Depth: 0.5000 in.
tangential to the vessel wall, attached by a groove weld.Pipe Size: 3 Schedule: 160
Nozzle is adequate for UG-45 requirements.Opening is adequately reinforced for Internal Pressure.
Reinforcement calculations are not required per UG-36(c)(3)(a)See Uw-14 for exceptions.Weld Strength Paths are adequate.
Nozzle Material: SA-106 Gr. B Joint Efficiency (E1): 1.00Factor B Chart: CS-2
External Projection: 5.0000 in. Allowable Stress at Design Temperature (Sn): 17100 PSIInternal Projection: 0.0000 in. Allowable Stress at Ambient Temperature: 17100 PSI
Inside Corrosion Allowance: 0.1250 in. Correction Factor (F): 1.00External Corrosion Allowance: 0.0000 in. Nozzle Path: None
Nozzle Pipe Size: 3 Nozzle Pipe Schedule: 160Nozzle ID (new): 2.6240 in. Nozzle Wall Thickness(new): 0.4380 in.
Nozzle ID (corroded): 2.8740 in. Nozzle Wall Thickness(corroded): 0.3130 in.External Limit of Reinforcement: 0.7825 in. Upper Weld Leg Size(Weld 41): 0.3130 in.Internal Limit of Reinforcement: 0.4700 in. Internal Weld Leg Size(Weld 43): 0.0000 in.
Parallel Limit of Reinf (2Lpar): 5.7480 in. Outside Groove Weld Depth: 0.5000 in.Minimum Design Metal Temperature
Min. Temp. Curve: Pressure at MDMT: 300.00 PSIUCS-66(b) reduction: Yes Minimum Design Metal Temperature: -20 °FUCS-68(c) reduction: No Computed Minimum Temperature: -155 °F
Host Component: Shell 1 - Shell 1
Material: SA-516 Gr. 70 Shell wall thickness(new): 0.5000 in.Material Stress(Sv): 20000 PSI Shell wall thickness(corroded): 0.4375 in.
Nozzle Detail Information
Upper Weld Leg Size(Weld 41): 0.3130 in.
Nozzle Wall Thickness(tn): 0.4380 in.
Outside Groove Weld Depth: 0.5000 in.
Nozzle passes through the vessel, attached by a groove weld.Pipe Size: 3 Schedule: 160
Nozzle is adequate for UG-45 requirements.Opening is adequately reinforced for Internal Pressure.
Reinforcement calculations are not required per UG-36(c)(3)(a)See Uw-14 for exceptions.Weld Strength Paths are adequate.
C u s t o m e r : TAQA North LTDT.M. No: CW15011 Vessel Number: CW15011.1
Mark Number: LL1
Date Printed: 11/27/2012
Lifting Lug Information
M a t e r i a l : SA-36 Design Temperature: 0 °FC o n d i t i o n : Material Stress (Hot): 16600 PSI
T y p e : Type 1 Material Stress (Cold): 16600 PSILength (L): 10.0000 in. Yield Strength: 36000 PSIT h i c k n e s s : 1.0000 in. R a d i u s : 2.0000 in.
Weld Joint Efficiency: 45 % Weld Leg: 10.0000 in.Shackle Hole Diameter: 1.1250 in. Shackle Hole Centerline Height: 2.0000 in.
Vessel Information
M a t e r i a l : SA-516 Gr. 70 Design Temperature: 100 °FC o n d i t i o n : Material Stress (Hot): 20000 PSI
R a d i u s : 15.0000 in. Material Stress (Cold): 20000 PSIT h i c k n e s s : 0.5000 in. Yield Strength: 38000 PSI
Vertical Lift Angle: 45 ° Impact Factor: 1.50W e i g h t : 1667.79 lb.
Design Calculations
Wi = W * I = 1667.79 * 1.50 = 2502Vertical Lift Force, Fv = Wi = 2502 = 2502 l b .Horizontal Lift Force, Fh = Wi * tan(n) = 2502 * tan(45) = 2502 l b .
Total Lift Force, Ft = Fv² + Fh² = 2502² + 2502² = 3538 l b .
TWI Oilfield FabricationC u s t o m e r : TAQA North LTD
T.M. No: CW15011 Vessel Number: CW15011.1
Date Printed: 11/27/2012
MDMT Report by ComponentsDesign MDMT is -20 °F
Component Material Curve Pressure MDMT
Shell 1 SA-516 Gr. 70 B 300.00 PSI -50 °F Nozzle 3 SA-105 B 300.00 PSI -117 °F Nozzle 1 SA-106 Gr. B B 300.00 PSI -147 °F Nozzle 5 SA-106 Gr. B 300.00 PSI -155 °F Nozzle 4 SA-106 Gr. B B 300.00 PSI -147 °FHead 1 SA-516 Gr. 70 C 300.00 PSI -55 °FHead 2 SA-516 Gr. 70 C 300.00 PSI -55 °F Nozzle 2 SA-106 Gr. B B 300.00 PSI -155 °F
Component with highest MDMT: Shell 1.
Computed MDMT = -50 °F
The required design MDMT of -20 °F has been met or exceeded for the calculated MDMT values.
ASME Flanges Are Not Included in MDMT Calculations.
TWI Oilfield FabricationC u s t o m e r : TAQA North LTD
T.M. No: CW15011 Vessel Number: CW15011.1
Date Printed: 11/27/2012
Hydrostatic Test Information Par. UG-99(b)Gauge at Top
Component Const. x STest / SDesign x Pressure = Component Hydro Test Pressure
Head 1 1.3 x 20000 / 20000 x 300.00 = 390.00Head 2 1.3 x 20000 / 20000 x 300.00 = 390.00Nozzle 1 1.3 x 17100 / 17100 x 300.00 = 390.00Nozzle 2 1.3 x 17100 / 17100 x 300.00 = 390.00Nozzle 3 1.3 x 20000 / 20000 x 300.00 = 390.00Nozzle 4 1.3 x 17100 / 17100 x 300.00 = 390.00Nozzle 5 1.3 x 17100 / 17100 x 300.00 = 390.00Shell 1 1.3 x 20000 / 20000 x 300.00 = 390.00
Calculated Test Pressure: 390.00 PSI
Special Notes:
This calculation assumes one chamber.
This calculation is limited by the lowest component pressure per chamber.