CLIENT

CONTRACTOR

MANUFACTURER

Doc No. : Rev No. : Date : Job No. :

SVSW-004108-C06-0002 B 03-04-2014 AL - 2898

Cuu Long Joint Operating Company

STV EXTENSION – STV SOUTH WEST PROJECT (SVSW)

EPCI FOR WHP-SVSW, PIPELINES AND CPP MODIFICATIONS

LIFTING LOAD CALCULATION

(CLOSED DRAIN VESSEL)

COVER SHEET

DOCUMENT NO.: SVSW-004108-C06-0002

B ISSUED FOR APPROVAL 03/04/2014 LDT VGV VGV

A ISSUED FOR REVIEW/APPROVAL 08/03/2014 LDT VGV VGV

Rev. Description Date Prepared Checked Approval Approval

MANUFACTURER CLT/CONT

Su Tu Vang South West

CLOSED DRAIN VESSEL

INPUT

Empty weight (EW)= 3010 kg Sling lengthX1= 719 mm X= 1420 mm Sling 1= 1,663 mmX2= 701 mm Sling 2= 1,656 mmY1= 484 mm Y= 776 mm Sling 3= 1,663 mmY2= 292 mm Sling 4= 1,656 mmL1= 1500 mm Sling 5= 1,111 mmL2= 1000 mm Sling 6= 1,042 mm

A1=A3= 64.4 0 tan A1= 2.09 Sin A1= 0.901757A2=A4= 65.0 0 tan A2= 2.14 Sin A2= 0.905952

A5= 64.2 0 tan A5= 2.07 Sin A5= 0.900114A6= 73.7 0 tan A6= 3.42 Sin A6= 0.959914

RESULTSL1= 620 kgSL2= 633 kgSL3= 1,028 kgSL4= 1,023 kgSL5= 1,258 kgSL6= 1,956 kg

H5=H6= 548 kgV5= 1,133 kgV6= 1,877 kgV1= 559 kgV2= 573 kgV3= 927 kg Summary of result:V4= 951 kg VMax 1-4 = 951 kg HMax1-4= 444 kg

H1=H2= 268 kg VMax 5-6 = 1,877 kg HMax 5-6 = 548 kgH3=H4= 444 kg SLMax 5-6 = 1,956 kg SLMax 1-4 = 1,028 kg

LOADS TABLE (LIFTING CALCULATION) Equipment:Rev B

Design conditionsDesign code AISC/ASD89 (SI)Material: A106-GrB Fy= 248 mPA Es= 200000 MpaSection size D= 114 mm tw= 6 mmUnbraced length Lx= 776 mm Ly= 776 mm Lb= 776 mmEffective length Kx= Ky= 1Modification factor Cb= 1Moment magnifier Cmx= Cmy= 0.85

Member force and momentPs= 548 kGMx= 0 kG.m My= 0 kG.mVx= 0 kG.m Vy= 0 kG.m

Unit: mmCheck flange and web thickness ratios As= 2036 Iy= 2.98E+06Check ratio thickness of pipe Ix= 2.98E+09 ry= 38.24

D/tw= 19.0 < 361.3 rx= 38.24 Sy= 52233Sx= 52233 Asy= 1018

Check axial stress Asx= 1018

Kl/r= 20.29DTR=D/tw= 19.00

Cc= 126.17 [=sqrt(2*Pi^2*Es/Fy)]Kl/r < CcFa= 141.79 Mpa =[1-(KI/r)^2/2*Cc^2]*Fy/[5/3+3*(KI/r)/(8*Cc)-(KI/r)^3/(8*Cc^3)]fa= 2.64 Mpa =Ps/As

Uc check R= 0.0186 < 1 =fa/FaConclusion

As per AISC/ASD, Spreader bar found to be acceptable

SPREADER BAR DESIGN

(=89600/Fy)

g 9.81 m/s2

W 3.01 MT

n 4

LF 4

Fy Plate Steel SA-516 Gr.70 260 MPa

Fy(w) E70xx Electrode 393 MPa

10.1 kN

1.028 MT

Design Sling Load P = SL static x LF 40.3 kN

= 4.1 MT

Angle b/w Sling and Horizontal θ = θ(SL3) = A3 64.4 deg.

1.2 Allowable Stresses

Assuming that the allowalble stress of welding metal is equal to the allowable stress of the base metal

According to AISC code, the allowable stresses are as follow

- Bearing Stress Fb = 0.9 x F y 234.0 MPa

- Shearing Stress Fs = 0.4 x F y 104.0 MPa

- Tension Stress Ft = 0.6 x F y 156.0 MPa

- Von Mises Stress Fvon = 0.85 x F y 221.0 MPa

2.1 Shackle

- Shackle Type CROSBY® G-2130 Bolt-Type Anchor Shackle

- Rated Safety Working Load SWL (≥ SLstatic) 3.25 MT

- Pin Diameter Dp 19.1 mm

- Inside Width W in 26.9 mm

- Inside Height Hin 60.5 mm

2.2 Sling (based on EN13141-1 Table 4 and SL static )

- Sling Type Steel Cored Rope Class 6x36, Grade 1770

Sling Nominal Diameter Ds 18 mm

3.1 Padeye Dimensions

- Pinhole Diameter Dh 22 mm

Pinhole Radius Rh 11 mm

- Main Plate Thickness Tm 20 mm

- Main Plate Radius Rm 35 mm

- Main Plate Length Lm 120 mm

- Pinhole CL to Padeye Base Hm 100 mm

- No. of Cheek Plate / Pinhole nc 0

- Check Plate Diameter Dc 0 mm

Check Plate Radius Rc 0 mm

- Cheek Plate Thk. Tc 0 mm

PADEYE CALCULATION - CLOSED DRAIN VESSELThis Spreadsheet performs design and check as per the guidelines of API RP 2A-WSD, AWS D1.1 and AISC Code

1.1

0. Input Data

1. Initial Calculation

Refer to the latest Revision of "Lifting Arrangement Drawing No. SVSW-004108-D38-0001" for full information Acceleration of Gravity

Total Liftting Weight

Load Factor

Number of Sling

Yield Stress

Spreader Bar shall be used in this case

3. Padeye Design

Static Sling Load or

2. Lifting Sets Sizing

SLstatic = 𝑆𝐿max 1−4 = 𝑆𝐿3

Page 1 of 4

3.2 Padeye Dimension and Clearance Checking

- Clearance C1 b/w shackle pin and padeye pinhole shall not exceed 6% of shackle pin dia.

or less than 3mm, whichever is larger

2.9 ≤ 3 PASS

- Main Plate Radius shall not be less than 1.5 times of Pinhole Diameter

35 ≥ 33 PASS

- Clearance C2 b/w Padeye thk. and Shackle inside width shall be less than 25% of Shackle inside width

or less than 12mm, whichever is larger

6.9 ≤ 12 PASS

- Vertical Clearance C3 b/w sling and top edge of padeye shall not be 0.5 x sling Diameter

18.5 ≥ 9 PASS

4.1 Bearing Stress

- Min. Bearing Area Required Ab(min) 172 mm2

- Available Bearing Area Ab 382 mm2

- Unity Check UCb 2.22 PASS

→ Unity Check conforms to the Specification for Pressure Vessel

4.2 Tear-out Stress

4. Padeye Allowable Stresses Checking

𝑅𝑚 ≥ 1.5 × 𝐷ℎ

𝐻𝑖𝑛 − 𝐷𝑠 − (𝑅𝑚−𝑅𝑝) ≥ 0.5𝐷𝑠

= 𝐷𝑝× (𝑇𝑚 + 𝑛𝑐 × 𝑇𝑐)

= 𝑃/𝐹𝑏

= 𝐴𝑏/𝐴𝑏(𝑚𝑖𝑛)

𝑊𝑖𝑛 − 𝑇𝑚 + 𝑛𝑐 × 𝑇𝑐 ≤ 25% 𝑊𝑖𝑛 or 12mm

𝑅𝑚 ≥ 1.5 × 𝐷ℎ

𝐷ℎ − 𝐷𝑝 ≤ 6% × 𝐷𝑝 𝑜𝑟 3𝑚𝑚

Page 2 of 4

- Min. Shear Area Required As(min) 388 mm2

- Total Shear Area As 960 mm2

Main Plate Shear Area As(m) 480 mm2

Cheek Plate Shear Area As(c ) 0 mm2

- Unity Check UCs 2.48 PASS

→ Unity Check conforms to the Specification for Pressure Vessel

4.3 Tensile Stress across the pinhole

- Min. Tensile Area Required At(min) 259 mm2

- Total Tensile Area At 960 mm2

Main Plate Tensile Area At(m) 960 mm2

Cheek Plate Tensile Area At(c ) 0 mm2

- Unity Check UCt 3.71 PASS

→ Unity Check conforms to the Specification for Pressure Vessel

4.4 Stresses at Padeye Base Section

4.4.1 Section Properties

- Section Area 2400 mm2

- Dist from pinhole CL to section N.A 100 mm

- Section Modulus 48000 mm3

8000 mm3

4.4.2 Acting Forces and Moments

- In-plane Bending Moment 1742979 Nmm

- Out-plane Bending Moment 201694 Nmm

- Tensile Force 36378.77 N

- In-plane Shear Force 17430 N

Out-plane Shear Force 2017 N

Total Shear Force 17546 N

4.4.3 Acting Stresses

- Acting Tensile Stress 15.2 MPa

Tensile Unity Check 0.10 PASS

- Acting In-plane Bending Stress 36.3 MPa

Bending(in-plane) Unity Check 0.16 PASS

- Acting Out-plane Bending Stress 25.2 MPa

Bending(out-plane) Unity Check 0.11 PASS

- Combined Bending & Tensile Check 0.36 PASS

- Acting Shear Stress 7.3

Allowable Shear Stress Checking 0.07 PASS

= 𝑇𝑚 (𝑅𝑚 − 𝑅ℎ)

= 𝑇𝑐× (𝑅𝑐 − 𝑅ℎ) × 𝑛𝑐

= 2 × [𝐴𝑠 𝑚 +𝐴𝑠(𝑐)]

= 𝑃/𝐹𝑠

= 𝑃/𝐹𝑡

= 𝐴𝑡 𝑚 +𝐴𝑡(𝑐)

= 𝑇𝑚× (𝐷𝑚 − 𝐷ℎ)

= 𝑇𝑐× (𝐷𝑐 − 𝐷ℎ) × 𝑛𝑐

= 𝐴𝑠/𝐴𝑠(𝑚𝑖𝑛)

= 𝐴𝑡/𝐴𝑡(𝑚𝑖𝑛)

𝐴 = 𝑇𝑚 × 𝐿𝑚

𝑥 = 𝐻𝑚

𝑆𝑧 = (𝑇𝑚× 𝐿𝑚2)/6

𝑆𝑦 = (𝐿𝑚× 𝑇𝑚2)/6

𝑀𝑧 = 𝑃. 𝑐𝑜𝑠𝜃. 𝑥

𝑀𝑦 = (5%𝑃). 𝑥

𝑃𝑥 = 𝑃. 𝑠𝑖𝑛𝜃

𝑃𝑦 = 𝑃. 𝑐𝑜𝑠𝜃

𝑃𝑧 = 5%𝑃

𝑃𝑦𝑧 = (𝑃𝑦2 + 𝑃𝑧

2)1/2

𝜎𝑡 = 𝑃𝑥/𝐴

𝑈𝐶𝑡 = 𝜎𝑡/𝐹𝑡 ≤ 1

𝜎𝑏𝑧 = 𝑀𝑧/𝑆𝑧

𝑈𝐶𝑏𝑧 = 𝜎𝑏𝑧/𝐹𝑏 ≤ 1

𝜎𝑏𝑦 = 𝑀𝑦/𝑆𝑦

𝑈𝐶𝑏𝑦 = 𝜎𝑏𝑦/𝐹𝑏 ≤ 1

𝑈𝐶𝑐 = 𝑈𝐶𝑡 + 𝑈𝐶𝑏𝑧 + 𝑈𝐶𝑏𝑦 ≤ 1

𝜏𝑦𝑧 = 𝑃𝑦𝑧/A

𝑈𝐶 = 𝜏𝑦𝑧/𝐹𝑠 ≤ 1

Page 3 of 4

- Von Mises Stress 77.7

Allowable Bending Stress Checking 0.35 PASS

4.5 Weld Stress

4.5.1 Weld Stress between Padeye and Reinforcement Pad

→ Full Penetration Weld, no need to check Welding stress

4.5.2 Weld Stress between Reinforcement Pad and Shell

- Weld size w 8 mm

- Reinforcement Pad length Lp 180 mm

- Reinforcement Pad width Wp 100 mm

- Length of weld L 560 mm

- Area of Weld Aw 3167 mm2

- Section Modulus of Weld Sw 230400 mm3

- Tensile Weld Stress 11 MPa

Tensile Unity Check 0.07 PASS

- Shear Weld Stress 6 MPa

Shear Unity Check 0.05 PASS

- Bending Weld Stress 8 MPa

Bending Unity Check 0.03 PASS

Conclusion

As per the results shown above, Padeye conforms to the lifting conditions.

SWL = 4.1 (T), Factor of Safety is 4

𝜎𝑣𝑜𝑛 = [ 𝜎𝑏𝑧 + 𝜎𝑏𝑦 + 𝜎𝑡)2 + 3𝜏2𝑦𝑧 1/2

𝑦𝑧/ 𝑠 ≤

𝑈𝐶 = 𝜎𝑣𝑜𝑛/𝐹𝑣𝑜𝑛 ≤ 1

=

= 0.707 × 𝑤 × 𝐿

= 2 × (𝐿𝑝 + 𝑊𝑝)

𝜎𝑤𝑡 = 𝑃𝑥/𝐴𝑤

𝜎𝑤𝑠 = 𝑃𝑦/𝐴𝑤

= 𝑤[𝐿𝑝× 𝑊𝑝] + 2 × [(𝑤 × 𝐿𝑝2)/6]

𝜎𝑤𝑏 = 𝑀𝑧/𝑆𝑤

𝑈𝐶𝑤𝑡 = 𝜎𝑤𝑡/𝐹𝑡 ≤ 1

𝑈𝐶𝑤𝑠 = 𝜎𝑤𝑠/𝐹𝑠 ≤ 1

𝑈𝐶𝑤𝑏 = 𝜎𝑤𝑏/𝐹𝑏 ≤ 1

=

=

Page 4 of 4

g 9.81 m/s2

W 3.01 MT

n 2

LF 4

Fy Plate Steel SA-516 Gr.70 260 MPa

Fy(w) E70xx Electrode 393 MPa

19.2 kN

1.956 MT

Design Sling Load P = SL static x LF 76.8 kN

= 7.8 MT

Angle b/w Sling and Horizontal θ = θ(SL6) = A6 73.7 deg.

1.2 Allowable Stresses

Assuming that the allowalble stress of welding metal is equal to the allowable stress of the base metal

According to AISC code, the allowable stresses are as follow

- Bearing Stress Fb = 0.9 x F y 234.0 MPa

- Shearing Stress Fs = 0.4 x F y 104.0 MPa

- Tension Stress Ft = 0.6 x F y 156.0 MPa

- Von Mises Stress Fvon = 0.85 x F y 221.0 MPa

2.1 Shackle

- Shackle Type CROSBY® G-2130 Bolt-Type Anchor Shackle

- Rated Safety Working Load SWL (≥ SLstatic) 3.25 MT

- Pin Diameter Dp 19.1 mm

- Inside Width W in 26.9 mm

- Inside Height Hin 60.5 mm

2.2 Sling (based on EN13141-1 Table 4 and SL static )

- Sling Type Steel Cored Rope Class 6x36, Grade 1770

Sling Nominal Diameter Ds 18 mm

3.1 Padeye Dimensions

- Pinhole Diameter Dh 22 mm

Pinhole Radius Rh 11 mm

- Main Plate Thickness Tm 20 mm

- Main Plate Radius Rm 45 mm

- Main Plate Length Lm 90 mm

- Pinhole CL to Padeye Base Hm 50 mm

- No. of Cheek Plate / Pinhole nc 0

- Check Plate Diameter Dc 0 mm

Check Plate Radius Rc 0 mm

- Cheek Plate Thk. Tc 0 mm

Total Liftting Weight

Upper and Lower Padeye is the same configuration, calculating for Upper Padeye only.

PADEYE (SPREADER) CALCULATION - CLOSED DRAIN VESSELThis Spreadsheet performs design and check as per the guidelines of API RP 2A-WSD, AWS D1.1 and AISC Code

0. Input DataRefer to the latest Revision of "Lifting Arrangement Drawing No. SVSW-004108-D38-0001" for full information

Acceleration of Gravity

2. Lifting Sets Sizing

3. Padeye Design

Number of Sling

Load Factor

Yield Stress

1. Initial Calculation

1.1 Static Sling Load orSLstatic = 𝑆𝐿max 5−6 = 𝑆𝐿6

Page 1 of 4

3.2 Padeye Dimension and Clearance Checking

- Clearance C1 b/w shackle pin and padeye pinhole shall not exceed 6% of shackle pin dia.

or less than 3mm, whichever is larger

2.9 ≤ 3 PASS

- Main Plate Radius shall not be less than 1.5 times of Pinhole Diameter

45 ≥ 33 PASS

- Clearance C2 b/w Padeye thk. and Shackle inside width shall be less than 25% of Shackle inside width

or less than 12mm, whichever is larger

6.9 ≤ 12 PASS

- Vertical Clearance C3 b/w sling and top edge of padeye shall not be 0.5 x sling Diameter

8.5 ≥ 8.5 PASS

4.1 Bearing Stress

- Min. Bearing Area Required Ab(min) 328 mm2

- Available Bearing Area Ab 382 mm2

- Unity Check UCb 1.16 PASS

→ Unity Check conforms to the Specification for Pressure Vessel

4.2 Tear-out Stress

4. Padeye Allowable Stresses Checking

𝑅𝑚 ≥ 1.5 × 𝐷ℎ

𝐻𝑖𝑛 − 𝐷𝑠 − (𝑅𝑚−𝑅𝑝) ≥ 0.5𝐷𝑠

= 𝐷𝑝× (𝑇𝑚 + 𝑛𝑐 × 𝑇𝑐)

= 𝑃/𝐹𝑏

= 𝐴𝑏/𝐴𝑏(𝑚𝑖𝑛)

𝑊𝑖𝑛 − 𝑇𝑚 + 𝑛𝑐 × 𝑇𝑐 ≤ 25% 𝑊𝑖𝑛 or 12mm

𝑅𝑚 ≥ 1.5 × 𝐷ℎ

𝐷ℎ − 𝐷𝑝 ≤ 6% × 𝐷𝑝 𝑜𝑟 3𝑚𝑚

Page 2 of 4

- Min. Shear Area Required As(min) 738 mm2

- Total Shear Area As 1360 mm2

Main Plate Shear Area As(m) 680 mm2

Cheek Plate Shear Area As(c ) 0 mm2

- Unity Check UCs 1.84 PASS

→ Unity Check conforms to the Specification for Pressure Vessel

4.3 Tensile Stress across the pinhole

- Min. Tensile Area Required At(min) 492 mm2

- Total Tensile Area At 1360 mm2

Main Plate Tensile Area At(m) 1360 mm2

Cheek Plate Tensile Area At(c ) 0 mm2

- Unity Check UCt 2.76 PASS

→ Unity Check conforms to the Specification for Pressure Vessel

4.4 Stresses at Padeye Base Section

4.4.1 Section Properties

- Section Area 1800 mm2

- Dist from pinhole CL to section N.A 50 mm

- Section Modulus 27000 mm3

6000 mm3

4.4.2 Acting Forces and Moments

- In-plane Bending Moment 1077107 Nmm

- Out-plane Bending Moment 191884 Nmm

- Tensile Force 73668.36 N

- In-plane Shear Force 21542 N

Out-plane Shear Force 3838 N

Total Shear Force 21881 N

4.4.3 Acting Stresses

- Acting Tensile Stress 40.9 MPa

Tensile Unity Check 0.26 PASS

- Acting In-plane Bending Stress 39.9 MPa

Bending(in-plane) Unity Check 0.17 PASS

- Acting Out-plane Bending Stress 32.0 MPa

Bending(out-plane) Unity Check 0.14 PASS

- Combined Bending & Tensile Check 0.57 PASS

- Acting Shear Stress 12.2

Allowable Shear Stress Checking 0.12 PASS

= 𝑇𝑚 (𝑅𝑚 − 𝑅ℎ)

= 𝑇𝑐× (𝑅𝑐 − 𝑅ℎ) × 𝑛𝑐

= 2 × [𝐴𝑠 𝑚 +𝐴𝑠(𝑐)]

= 𝑃/𝐹𝑠

= 𝑃/𝐹𝑡

= 𝐴𝑡 𝑚 +𝐴𝑡(𝑐)

= 𝑇𝑚× (𝐷𝑚 − 𝐷ℎ)

= 𝑇𝑐× (𝐷𝑐 − 𝐷ℎ) × 𝑛𝑐

= 𝐴𝑠/𝐴𝑠(𝑚𝑖𝑛)

= 𝐴𝑡/𝐴𝑡(𝑚𝑖𝑛)

𝐴 = 𝑇𝑚 × 𝐿𝑚

𝑥 = 𝐻𝑚

𝑆𝑧 = (𝑇𝑚× 𝐿𝑚2)/6

𝑆𝑦 = (𝐿𝑚× 𝑇𝑚2)/6

𝑀𝑧 = 𝑃. 𝑐𝑜𝑠𝜃. 𝑥

𝑀𝑦 = (5%𝑃). 𝑥

𝑃𝑥 = 𝑃. 𝑠𝑖𝑛𝜃

𝑃𝑦 = 𝑃. 𝑐𝑜𝑠𝜃

𝑃𝑧 = 5%𝑃

𝑃𝑦𝑧 = (𝑃𝑦2 + 𝑃𝑧

2)1/2

𝜎𝑡 = 𝑃𝑥/𝐴

𝑈𝐶𝑡 = 𝜎𝑡/𝐹𝑡 ≤ 1

𝜎𝑏𝑧 = 𝑀𝑧/𝑆𝑧

𝑈𝐶𝑏𝑧 = 𝜎𝑏𝑧/𝐹𝑏 ≤ 1

𝜎𝑏𝑦 = 𝑀𝑦/𝑆𝑦

𝑈𝐶𝑏𝑦 = 𝜎𝑏𝑦/𝐹𝑏 ≤ 1

𝑈𝐶𝑐 = 𝑈𝐶𝑡 + 𝑈𝐶𝑏𝑧 + 𝑈𝐶𝑏𝑦 ≤ 1

𝜏𝑦𝑧 = 𝑃𝑦𝑧/A

𝑈𝐶 = 𝜏𝑦𝑧/𝐹𝑠 ≤ 1

Page 3 of 4

- Von Mises Stress 114.7

Allowable Bending Stress Checking 0.52 PASS

4.5 Weld Stress

- Weld size w 8 mm

- Length of weld (both side) L 180 mm

- Area of Weld Aw 1018 mm2

- Section Modulus of Weld Sw 21600 mm3

- Tensile Weld Stress 72 MPa

Tensile Unity Check 0.46 PASS

- Shear Weld Stress 21 MPa

Shear Unity Check 0.20 PASS

- Bending Weld Stress 50 MPa

Bending Unity Check 0.21 PASS

Conclusion

As per the results shown above, Padeye conforms to the lifting conditions.

SWL = 7.8 (T), Factor of Safety is 4

𝜎𝑣𝑜𝑛 = [ 𝜎𝑏𝑧 + 𝜎𝑏𝑦 + 𝜎𝑡)2 + 3𝜏2𝑦𝑧 1/2

𝑦𝑧/ 𝑠 ≤

𝑈𝐶 = 𝜎𝑣𝑜𝑛/𝐹𝑣𝑜𝑛 ≤ 1

𝜎𝑤𝑡 = 𝑃𝑥/𝐴𝑤

𝜎𝑤𝑠 = 𝑃𝑦/𝐴𝑤

𝜎𝑤𝑏 = 𝑀𝑧/𝑆𝑤

𝑈𝐶𝑤𝑡 = 𝜎𝑤𝑡/𝐹𝑡 ≤ 1

𝑈𝐶𝑤𝑠 = 𝜎𝑤𝑠/𝐹𝑠 ≤ 1

𝑈𝐶𝑤𝑏 = 𝜎𝑤𝑏/𝐹𝑏 ≤ 1

=

= 0.707 × 𝑤 × 𝐿

= 2 × 𝐿𝑚

= 2 × [(𝑤 × 𝐿𝑚2)/6]

Page 4 of 4