SVSW-004128-C06-0002_Lifting Load Calculation for Open Drain Tank_ Rev.B

CLIENT

CONTRACTOR

MANUFACTURER

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

SVSW-004128-C06-0002 B 03-04-2014 AL - 2899

Cuu Long Joint Operating Company

STV EXTENSION STV SOUTH WEST PROJECT (SVSW) EPCI FOR WHP-SVSW, PIPELINES AND CPP MODIFICATIONS

LIFTING LOAD CALCULATION

(OPEN DRAIN TANK)

COVER SHEET

DOCUMENT NO.: SVSW-004128-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

OPEN DRAIN TANK

INPUT

Empty weight (EW)= 2100 kg Sling lengthX1= 815 mm X= 1446 mm Sling 1= 1,707 mmX2= 631 mm Sling 2= 1,627 mmY1= 1038 mm Y= 2032 mm Sling 3= 1,707 mmY2= 994 mm Sling 4= 1,627 mmL1= 1500 mm Sling 5= 2,253 mmL2= 2000 mm Sling 6= 2,233 mm

A1=A3= 61.5 0 tan A1= 1.84 Sin A1= 0.878678A2=A4= 67.2 0 tan A2= 2.38 Sin A2= 0.921763

A5= 62.6 0 tan A5= 1.93 Sin A5= 0.88758A6= 63.6 0 tan A6= 2.01 Sin A6= 0.895499

RESULTSL1= 510 kgSL2= 628 kgSL3= 533 kgSL4= 508 kgSL5= 1,157 kgSL6= 1,198 kg

H5=H6= 533 kgV5= 1,027 kgV6= 1,073 kgV1= 448 kgV2= 579 kgV3= 468 kg Summary of result:V4= 605 kg VMax 1-4 = 605 kg HMax1-4= 254 kg

H1=H2= 244 kg VMax 5-6 = 1,073 kg HMax 5-6 = 533 kgH3=H4= 254 kg SLMax 5-6 = 1,198 kg SLMax 1-4 = 628 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= 2032 mm Ly= 2032 mm Lb= 2032 mmEffective length Kx= Ky= 1Modification factor Cb= 1Moment magnifier Cmx= Cmy= 0.85

Member force and momentPs= 533 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= 53.14DTR=D/tw= 19.00

Cc= 126.17 [=sqrt(2*Pi^2*Es/Fy)]Kl/r < CcFa= 124.50 Mpa =[1-(KI/r)^2/2*Cc^2]*Fy/[5/3+3*(KI/r)/(8*Cc)-(KI/r)^3/(8*Cc^3)]fa= 2.57 Mpa =Ps/As

Uc check R= 0.0206 < 1 =fa/FaConclusion

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

SPREADER BAR DESIGN

(=89600/Fy)

Acceleration of Gravity g 9.81 m/s2

Total Liftting Weight W 2.1 MT

Number of Sling n 4

Load Factor LF 4

Yield Stress Fy Steel SA-516 Gr.70 260 MPa

Fy(w) E70xx Electrode 393 MPa

6.2 kN

0.628 MT

Design Sling Load P = SL static x LF 24.6 kN

= 2.5 MT

Angle b/w sling and Horizontal = (SL2) = A2 67.2 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) 1.5 MT

- Pin Diameter Dp 12.7 mm

- Inside Width W in 19.1 mm

- Inside Height Hin 42.9 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 12 mm

3.1 Padeye Dimensions

- Pinhole Diameter Dh 14 mm

Pinhole Radius Rh 7 mm

- Main Plate Thickness Tm 15 mm

- Main Plate Radius Rm 25 mm

- Main Plate Length Lm 80 mm

- Pinhole CL to Padeye Base Hm 35 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 - OPEN DRAIN TANKThis 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

Spreader Bar shall be used in this case, All weldings shall be fillet-weld type

Refer to the latest Revision of "Lifting Arrangement Drawing No. SVSW-004128-D36-0001" for full information

3. Padeye Design

Static Sling Load or

2. Lifting Sets Sizing

SLstatic = max 14 = 2

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

1.3 3 PASS

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

25 21 PASS

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


4.1 12 PASS

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

12.9 6 PASS

4.1 Bearing Stress

- Min. Bearing Area Required Ab(min) 105 mm2

- Available Bearing Area Ab 191 mm2

- Unity Check UCb 1.81 PASS

Unity Check conforms to the Specification for Tank

4.2 Tear-out Stress

- Min. Shear Area Required As(min) 237 mm2

- Total Shear Area As 540 mm2

4. Padeye Allowable Stresses Checking

6% 3

1.5

() 0.5

= 2 [ +()]

= ( + )

= /

= /

= /()

+ 25% or 12mm

1.5

Win

Page 2 of 4

Main Plate Shear Area As(m) 270 mm2

Cheek Plate Shear Area As(c ) 0 mm2

- Unity Check UCs 2.28 PASS


4.3 Tensile Stress across the pinhole

- Min. Tensile Area Required At(min) 158 mm2

- Total Tensile Area At 540 mm2

Main Plate Tensile Area At(m) 540 mm2

Cheek Plate Tensile Area At(c ) 0 mm2

- Unity Check UCt 3.42 PASS


4.4 Stresses at Padeye Base Section

4.4.1 Section Properties

- Section Area 1200 mm2

- Dist from pinhole CL to section N.A 35 mm

- Section Modulus 16000 mm3

3000 mm3

4.4.2 Acting Forces and Moments

- In-plane Bending Moment 334230.3 Nmm

- Out-plane Bending Moment 43125 Nmm

- Tensile Force 22717.22 N

- In-plane Shear Force 9549 N

Out-plane Shear Force 1232 N

Total Shear Force 9629 N

4.4.3 Acting Stresses

- Acting Tensile Stress 18.9 MPa

Tensile Unity Check 0.12 PASS

- Acting In-plane Bending Stress 20.9 MPa

Bending(in-plane) Unity Check 0.09 PASS

- Acting Out-plane Bending Stress 14.4 MPa

Bending(out-plane) Unity Check 0.06 PASS

- Combined Bending & Tensile Check 0.27 PASS

- Acting Shear Stress 8.0

Allowable Shear Stress Checking 0.08 PASS

- Von Mises Stress 55.9

= ( )

= ( )

= /

= +()

= ( )

= ( )

= /()

= /()

=

=

= ( 2)/6

= ( 2)/6

= . .

= (5%).

= .

= .

= 5%

= (2 +

2)1/2

= /

= / 1

= / = / 1

= /

= / 1

= + + 1

= /A

= [ + + )2 + 32

1/2

= / 1

Page 3 of 4

Allowable Bending Stress Checking 0.25 PASS

4.5 Weld Stress

- Fillet Weld size w 8 mm

- Dimension La 85 mm

- Dimension Lb 80 mm

No. Width Depth Area y x Ay Ax

1 8 85 680 4 42.5 2720 28900

2 8 85 680 76 42.5 51680 28900

3 64 8 512 40 89 20480 45568

1872 74880 103368

- Centroid X 55.22 mm

Y 40 mm

- Force due to Vertical Load PV 11359 N

- Moment due to horizontal Load MT1 716208 Nmm

- Force on weld due to reaction moment Pw1 9947 N

- Maximum reaction on weld Pmax1 21306 N

- Shear stress due to max reaction force ws1 44.3 MPa

Shear stress Unity Check 0.43 PASS

- Force due to Lateral Load PL 1232 N

- Moment due to Lateral Load MT2 43125 Nmm

- Resultant force on weld Pmax2 10442 N

- Shear stress due to resultant force ws2 23.1 MPa


- Total shear stress on weld ws 50.0


Conclusion

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

SWL = 2.5 (T), Factor of Safety is 4

N

Total

Pw2- Max. force due to reaction moment 4224

[ )

= / 1

=

=

=

= /2

= ( + Y)

= 1/( )

= 1 +

= 1/(0.707 )

1 = 1/ 1

=

=

= max [2

, +

]

= 22 +

2

= 2/(0.707 )

2 = 2/ 1

=

=

= 12 + 22

= / 1

Page 4 of 4

Acceleration of Gravity g 9.81 m/s2

Total Liftting Weight W 2.1 MT

Number of Sling n 2

Load Factor LF 4

Yield Stress Fy Steel SA-516 Gr.70 260 MPa

Fy(w) E70xx Electrode 393 MPa

11.8 kN

1.198 MT

Design Sling Load P = SL static x LF 47.0 kN

= 4.8 MT

Angle b/w sling and Horizontal = (SL6) = A6 63.6 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

3. Padeye Design

PADEYE (SPREADER) CALCULATION - OPEN DRAIN TANKThis Spreadsheet performs design and check as per the guidelines of API RP 2A-WSD, AWS D1.1 and AISC CodeAll weldings shall be fillet-weld type. Upper and Lower Padeye is the same configuration, calculating for Upper Padeye only.

0. Input Data

1. Initial Calculation

1.1 Static Sling Load or

2. Lifting Sets Sizing

SLstatic = max 56 = 6

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.


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


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) 201 mm2

- Available Bearing Area Ab 382 mm2

- Unity Check UCb 1.90 PASS


4.2 Tear-out Stress

- Min. Shear Area Required As(min) 452 mm2

- Total Shear Area As 1360 mm2

4. Padeye Allowable Stresses Checking

6% 3

1.5

() 0.5

= 2 [ +()]

= ( + )

= /

= /

= /()

+ 25% or 12mm

1.5

Win

Page 2 of 4

Main Plate Shear Area As(m) 680 mm2

Cheek Plate Shear Area As(c ) 0 mm2

- Unity Check UCs 3.01 PASS


4.3 Tensile Stress across the pinhole

- Min. Tensile Area Required At(min) 301 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 4.51 PASS


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 1045104 Nmm

- Out-plane Bending Moment 117524 Nmm

- Tensile Force 42106.98 N

- In-plane Shear Force 20902 N

Out-plane Shear Force 2350 N

Total Shear Force 21034 N

4.4.3 Acting Stresses

- Acting Tensile Stress 23.4 MPa


- Acting In-plane Bending Stress 38.7 MPa

Bending(in-plane) Unity Check 0.17 PASS

- Acting Out-plane Bending Stress 19.6 MPa

Bending(out-plane) Unity Check 0.08 PASS

- Combined Bending & Tensile Check 0.40 PASS

- Acting Shear Stress 11.7

Allowable Shear Stress Checking 0.11 PASS

- Von Mises Stress 84.2

= ( )

= ( )

[ ()]

= /

= +()

= ( )

= ( )

= /()

= /()

=

=

= ( 2)/6

= ( 2)/6

= . .

= (5%).

= .

= .

= 5%

= (2 +

2)1/2

= /

= / 1

= / = / 1

= /

= / 1

= + + 1

= /A

= [ + + )2 + 32

1/2

= / 1

Page 3 of 4

Allowable Bending Stress Checking 0.38 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 41 MPa


- Shear Weld Stress 21 MPa

Shear Unity Check 0.20 PASS

- Bending Weld Stress 48 MPa

Bending Unity Check 0.21 PASS

Conclusion

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

SWL = 4.8 (T), Factor of Safety is 4

[ )

= / 1

= /

= /

= /

= / 1

= / 1

= / 1

=

= 0.707

= 2

= 2 [( 2)/6]

Page 4 of 4

COVER PAGE LIFTING LOAD FOR OPEN DRAIN TANK.pdf (p.1)open drain.pdf (p.2-3)Lifting lug Calc_Open Drain Tank - Rev B_theo anh Viet.pdf (p.4-7)Lifting lug Calc_Open Drain Tank - Rev B_theo anh Viet_1.pdf (p.8-11)

Documents

SVSW-004128-C06-0002_Lifting Load Calculation for Open Drain Tank_ Rev.B