STORAGE TANK SPECIFICATION Sheet 1 of 1 (English Units)

Project No. J5431 Service : USED LUBE OIL Equipment No. : 11-T-5032 Location : Al Kharj, Saudi Arabia Unit : 11T-503 Design Engineer : Seth A. Duazo3 Manufacturer : NMC Model : Mfr Ref. No. : No. Req'd : Two4 P&ID No. Plot Plan No. : Other Ref. Dwg No. :56789

10111213 125.30 Ft1415 46.00 Ft161718192021222324 Shell Diameter : 125.30 Feet Shell Height : 46.00 Feet Nominal Volume : 101,026 Barrels25 Roof Type : Cone Bottom Floor Type: Sloped26 OPERATING/DESIGN DATA NOZZLES/CONNECTIONS27 Fluid Stored : LUBE OIL Sp. Gr. : 0.9000 Mark Service Qty Size Rating Face28 This Tank Service is considered: Cyclic TH1 Roof Manway 1 24" 150# F. F.29 Vapor Pressure @ Max. Operating Temperature 5.5 psia TH Shell Manway 2 24" 125# R. F. 30 Flash Point (Closed Cup) : F Operating Design TH2 Flush Cleanout MW 1 24"x36" 125# R. F. 31 Negative Pressure oz/in.2 0.00 0.50 G Stilling Vent 1 8" 150# F. F.32 Positive Pressure psig 1.00 2.00 H Temperature Indicator 0 0 150# L. J. 33 (Hydro)test Pressure expressed in Psig ---- B Outlet Nozzle 1 12" 150# API34 Minimum Fluid Temperature F -25 A Fill Nozzle 1 8" 150# L. J. 35 Maximum Fluid Temperature F 200 K Mixer Manway 0 0 150# F. F.36 Emergency Vacuum Design ? No Set @ 0.0.3 oz/in.2 D Water Draw Nozzle 1 4" 150# R. F. 37 METALLURGY M Top Center Vent 1 4" 150# API38 Component Material CA, in. Remarks F Sample Tap 2 3/4" 150# R. F. 39 Shell & Bottom A36 0.0625 Normalized F Sample Tap 1 3/4" 150# F. F.40 Roof A36 0.0313 Normalized P Roof Nozzle 1 4" 150# L. J. 41 Lining/Coating D Spare 1 3/4" 150# API42 150# API43 Stress Relieve ? No for: 150# API44 CONSTRUCTION/FABRICATION45 Code (as appl.): API 650 LATEST EDITION Internals (attach separate sheet, as req'd): Others:46 Design Specifications: Sump47 Tank Insulation ? No Thickness : in. Seismic Zone 3 Design Wind Velocity 120 mph 48 Insulation Type: Hot Radiograph 85 % Inspection Req'd ? Yes49 Fireproofing ? No Paint Spec. EmptyTank Weight lb Full of Water lb50 Remarks 51

52 2. Rafter supported type cone roof

ApprovalsRev Date Description By Chk. Appr. Rev Date Description By Chk. Appr.

0 J543

1. Items marked with an asterisk (*) to be completed by Vendor/Fabricator.

Nass Mechanical Rev. No.

24" X 36"FLUSH

CLEANOUT

F

AM

P G

D

E

L

E

H

N2N1 J I

API 650 Storage Tank 11/04/2011Rev: 0

Seth A. DuazoNass Mechanical

Page 2 of 5 FileName: 38735700.xlsWorkSheet: 11T-503A

TANK 11-T-503A SHELL PLATE DESIGN CALCULATION by ONE FOOT METHOD

D = Normal tank diameter , in feet 125.30 38.2 metersH = depth of tank , in feet 46.00 14.0 meters

Shell Plate Design :FROM ( BOTTOM COURSE) PLATE TO (TOP COURSE) PLATE

SG = design Specific gravity of liquid 0.9Sd = allowable Stress for Design condition 23,200 160 MpaE = joint efficiency 1.00

24,900 171 MpaCA = Corrosion Allowance 0.1180 3.00 mm

For First Course (Bottom) A36 Plate ; Provided thickness: 20mmAs per API 5.6.3.2 In US Customary units;

0.569 14.45 mm0.589 14.95 mm0.707 17.952 mm

D = Normal tank diameter , in feet = 125.30H = depth of tank , in feet = 46.00SG = design Specific gravity of liquid = 1.00Sd = allowable Stress for Design condition 23,200 E = joint efficiency 1.00

24,900CA = Corrosion Allowance 0.1180

For Second Course A36 Plate Provided thickness: 18.000As per API 5.6.3.2 In US Customary units;

0.632 16.05 mm0.589 14.95 mm0.651 16.54 mm

D = Normal tank diameter , in feet 125.30H = depth of tank , in feet 39.45SG = design Specific gravity of liquid = 1.00Sd = allowable Stress for Design condition 23,200 E = joint efficiency 1.00St = allowable stress A36 Hydro Test 24,900CA = Corrosion Allowance 0.0625

For Third Course A36 Plate Provided thickness: 16.000As per API 5.6.3.2 In US Customary units;

0.540 13.72 mm0.503 12.78 mm0.566 14.37 mm

D = Normal tank diameter , in feet 125.30H = depth of tank , in feet 32.91SG = design Specific gravity of liquid = 1.00Sd = allowable Stress for Design condition 23,200 E = joint efficiency 1.00St = allowable stress A36 Hydro Test 24,900CA = Corrosion Allowance 0.0625

St = allowable stress A36 Hydro Test

td = 2.6(D)(H -1)(SG)/Sd = tt = 2.6(D)(H-1)/St =td = Minimum shell course thickness plus C.A, in inches =

St = allowable stress A36 Hydro Test

td = 2.6(D)(H -1)(SG)/Sd = tt = 2.6(D)(H-1)/St =td = Minimum shell course thickness plus C.A, in inches =

td = 2.6(D)(H -1)(SG)/Sd = tt = 2.6(D)(H-1)/St =td = Minimum shell course thickness plus C.A, in inches =

API 650 Storage Tank 11/04/2011Rev: 0

Seth A. DuazoNass Mechanical

Page 3 of 5 FileName: 38735700.xlsWorkSheet: 11T-503A

TANK 11-T-503A SHELL PLATE DESIGN CALCULATION by ONE FOOT METHOD

D = Normal tank diameter , in feet 125.30 38.2 metersH = depth of tank , in feet 46.00 14.0 meters

For Fourth Course A36 Plate Provided thickness: 12.000As per API 5.6.3.2 In US Customary units;

0.488 12.40 mm0.417 10.60 mm0.480 12.19 mm

D = Normal tank diameter , in feet 125.30H = depth of tank , in feet 26.36SG = design Specific gravity of liquid = 1.00Sd = allowable Stress for Design condition 21,300 E = joint efficiency 1.00St = allowable stress A36 Hydro Test 24,900CA = Corrosion Allowance 0.0625

For Fifth Course A36 Plate Provided thickness: 10mmAs per API 5.6.3.2 In US Customary units;

0.388 9.85 mm0.332 8.43 mm0.394 10.02 mm

D = Normal tank diameter , in feet 125.30H = depth of tank , in feet 19.75SG = design Specific gravity of liquid = 1.00Sd = allowable Stress for Design condition 21,300 E = joint efficiency 1.00St = allowable stress A36 Hydro Test 24,900CA = Corrosion Allowance 0.0625

For Sixth Course A36 Plate Provided thickness: 8mmAs per API 5.6.3.2 In US Customary units;

0.258 6.56 mm0.245 6.23 mm0.308 7.82 mm

D = Normal tank diameter , in feet 125.30H = depth of tank , in feet 13.19SG = design Specific gravity of liquid = 0.9Sd = allowable Stress for Design condition 21,300 E = joint efficiency 1.00St = allowable stress A36 Hydro Test 24,900CA = Corrosion Allowance 0.0625

For Seventh Course A36 Plate Provided thickness: 8mmAs per API 5.6.3.2 In US Customary units;

0.187 4.74 mm0.160 4.05 mm0.222 5.64 mm

D = Normal tank diameter , in feet 125.30H = depth of tank , in feet 6.63SG = design Specific gravity of liquid = 1Sd = allowable Stress for Design condition 21,300 E = joint efficiency 1.00St = allowable stress A36 Hydro Test 24,900CA = Corrosion Allowance 0.0625

td = 2.6(D)(H -1)(SG)/Sd = tt = 2.6(D)(H-1)/St =td = Minimum shell course thickness plus C.A, in inches =

td = 2.6(D)(H -1)(SG)/Sd = tt = 2.6(D)(H-1)/St =td = Minimum shell course thickness plus C.A, in inches =

td = 2.6(D)(H -1)(SG)/Sd = tt = 2.6(D)(H-1)/St =td = Minimum shell course thickness plus C.A, in inches =

td = 2.6(D)(H -1)(SG)/Sd = tt = 2.6(D)(H-1)/St =td = Minimum shell course thickness plus C.A, in inches =

API 650 Storage Tank 11/04/2011Rev: 0

Seth A. DuazoNass Mechanical

Page 4 of 5 FileName: 38735700.xlsWorkSheet: 11T-503A

TANK 11-T-503A SHELL PLATE DESIGN CALCULATION by ONE FOOT METHOD

D = Normal tank diameter , in feet 125.30 38.2 metersH = depth of tank , in feet 46.00 14.0 meters

BOTTOM PLATE DESIGN:As per API 650 11th Ed. 2009 Add. 2 Sect. 5.4.1;

Minimum Nominal Thickness excluding corrosion allowance, Inch0.25 6.35 mmCorrosion Allowance for Bottom Plate 0.13 3.18 mmRequired Thickness of Bottom Plate 0.25 6.35 mmUsed bottom plate thickness 0.38 10 mmMinimum Nominal Width, Inch 70.87 1800.0 mmUsed bottom plate Width,in 78.74 2000.0 mm

ANNULAR BOTTOM PLATE DESIGN:As per API 650 11th Ed. 2009 Add. 2 Sect. 5.5.2;Minimum Annular plate Width shall be = 28.62 727 mm

or a Minimum of 23.62 600 mm

Annular Plate width provided; in 29.92 760 mmWhere: tb = Annular plate thickness, mmH = maximum Design Liquid level, MeterG = liquid Specific gravity

HENCE, OK.

ROOF PLATE DESIGN: ( Non Frangible roof Tank)As per API 650 11th Ed. 2009 Add. 2 Sect. 5.10.2.2,

Minimum Nominal Thickness excluding corrosion allowance = 0.19 5 mm Corrosion Allowance for Roof Plate, = 0 0 mmRequired Thickness of Roof Plate = 0.19 5 mmUsed roof plate thickness = 0.19 5 mm

SHELL STABILITY CHECK;As per API 650 11th Ed. 2009 Add. 2 Sect. 5.9.7.1

The Maximum height for the unstiffined shell shall be calculated as follows:

23.82 7.26 MetersWhere;H1 = Vertical Distance in ft, betwwen the intermediate wind girder and the top angle of the shell or the top wind girder of an open top tankt = as built thickness, unless otherwise specified of the thinnest shell course (in Inches)D = Nominal Tank height, FtV = Designed wind speed (3 sec gust)mph

215 tb( GH )0.5

H1 = 600,000*(t)*(((t/D)^3)^0.5)*(120 /V)^2

API 650 Storage Tank 11/04/2011Rev: 0

Seth A. DuazoNass Mechanical

Page 5 of 5 FileName: 38735700.xlsWorkSheet: 11T-503A

TANK 11-T-503A SHELL PLATE DESIGN CALCULATION by ONE FOOT METHOD

D = Normal tank diameter , in feet 125.30 38.2 metersH = depth of tank , in feet 46.00 14.0 meters

Equivalent stable height ofshell at ' t ' min. HE = sum HeHe = W( ' t 'min / ' t 'actual)^2.5As per API 650 11th Ed. 2009 Add. 2 Sect. V.8.1.4 (b)

Course Width (M)t' min (mm) Wtr (Meter)1 2 20.00 0.2022 2 16.00 0.3533 2 15.00 0.4144 2.0 12.00 0.7265 2.0 10.00 1.1456 2.0 8.00 2.0007 2.0 8.00 2.000

Minimum Shell Thickness = 8mmTransformed shell height, W' tr 6.840 Meters

Maximum height of unstiffined shell= 7.26 Meters

H1 > Wtr, hence intermediate wind girder is not required

Specification Sheet11T-503A