Sample Report for Storage Tank Shell Structural Profile ... · ISO 7507 / API MPMS – Manual of...
Transcript of Sample Report for Storage Tank Shell Structural Profile ... · ISO 7507 / API MPMS – Manual of...
Sample Report for Storage TankShell Structural Profile & Bottom Profile Survey
CONTROLLED COPY? YES
CIRCULATION · IET ADMINISTRATION &CLIENT
DOCUMENT REFERENCE Report No : IET-16--17/000 Rev 00
PREPARED MOHAMED RAUB
APPROVED SANJAY BOSE
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DOCUMENT REFERENCE
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DOCUMENT REFERENCE
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EPORTSample Report for Storage Tank
REPORTSample Report for Storage TankShell Structural Profile & Bottom Profile Survey
REPORTShell Structural Profile & Bottom Profile Survey
REPORT
REPORT
TANK NO SAMPLE TANK SURVEY REPORT
CONTENTS
1. Execution Summary
2. Person To Contact
3. Applicable Codes, Standard, Specification
4. Abbreviation
5. Tank Description
6. Shell Roundness Survey Evaluation
7. Tank Verticality Evaluation
8. Tank Shell Settlement Evaluation
9. Tank Bottom Floor Profile from Centre (Cone UP)
10. Evaluation Summary
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SAMPLE Tank Shell Settlement Evaluation
SAMPLE Tank Shell Settlement Evaluation
Tank Bottom Floor Profile from Centre (Cone UP)
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Tank Bottom Floor Profile from Centre (Cone UP)
Evaluation Summary
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Evaluation Summary
REPORT
TANK NO SAMPLE TANK SURVEY REPORT
1. Execution Summary Survey had to be carried out on (Tank no); vertical Butt welded mild steel cylindrical tank, with a floating roof.
On behalf of our end client, (Company Name) we have performed a survey of the tank to provide data to assist in determining the compliance of tank with API Standard 653, Appendix B Shell Settlement specifications and Roundness.
The engineers who performed the onsite survey on (Date) were Mr. Sanjay Bose & Mr. Mohamed Raub.
This report should be read in conjunction with API 653 Appendix B.
The API 653, Appendix B standard allows the operator to interpret settlement data, particularly the determination of floor edge settlement break-over points and the nomination of statistical outlying data for shell settlement in determination of the plane of rigid tilt and the tank shell deflection.
We have exercised such judgment in good faith and provide illustrations of our working in this report; and we have processed the data for the convenience of engineering personnel assessing the tank against the API 653B standard. The ultimate responsibility therefore lies with the engineers in accepting the information in this report and its suitability for deciding upon the condition of the tank consequently, we are receptive to any requests from our client to re-process the tank data in accordance with their differing interpretation of the API 653B standard.
The Standard acknowledges that the tank’s previous service history may be considered in evaluating many of the aspects of settlement.
We cannot comment whether the apparent settlement of the tank represents the as-built condition or is settlement since construction. The API 653 settlement specifications assume the current condition to have developed from a purely symmetrical tank, and as such should be viewed as a worst-case evaluation.
Other than by the methods described in API Standard 653 Appendix B, we do not attempt to calculate the tank shell stresses that may be generated by tank settlement.
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TANK NO SAMPLE TANK SURVEY REPORT
2. Person To Contact CLIENT:
CONTRACTOR: Global Remote E | [email protected] E | [email protected] E | [email protected] E | [email protected] E | [email protected] E | [email protected] E | [email protected] E | [email protected] Person to Contact: Mr. Sanjay Bose Technical In-charge | Tank Survey & Calibration Division T: +974 3347 1069 / +91 84201 27554 E: [email protected]
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TANK NO SAMPLE TANK SURVEY REPORT
3. Applicable Codes, Standards, Specification
1. API – 653 Tank Inspection, Repair, Alteration and Reconstruction – 5th
Edition 2014
2. API 653, Annex B – Evaluation of Tank Bottom Settlement – 5th Edition
2014
3. ISO 7507 / API MPMS – Manual of Petroleum Measurement Standards.
4. MECHANICAL DATA Sheets’ (As Built)
4. Abbreviation
API – American Petroleum Institute
ISO – International Standard Organization
Smax - Permissible out-of-plane settlement
L - Arc length between measurement points
Y - Yield strength of the shell material
E - Young’s Modulus
H - Tank height
M - Meters
mm – Millimeters
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TANK NO SAMPLE TANK SURVEY REPORT
5. Tank Description Client : Location : Tank Number : Material of Construction :Mild Steel Number of Shell Courses :Eight (08) Method of Construction :Welding Product Storage :Crude Oil Service :Off-Stream Type of Roof :Floating Roof Evaluation Code :API 653 Edition-2014 Evaluation Carried out by :Mr. Sanjay Bose – Surveyor Date of Survey :18 -19.05.2016 Inspection/Survey Carried out :Tank Shell Settlement Tank out-of roundness survey. Tank Verticality. Values Considered for evaluation :Height: 21.921 M Diameter: 92.000 M Arc Length (L): 9.639 M Yield Strength (Y): 30000 Young’s Modulus (E): 29000000
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REPORTWelding
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1 45.966 9 45.97 17 45.972 25 45.9742 45.963 10 45.958 18 45.968 26 45.9683 45.978 11 45.963 19 45.959 27 45.9564 45.969 12 45.969 20 45.955 28 45.975 45.955 13 45.959 21 45.966 29 45.9646 45.957 14 45.969 22 45.967 30 45.9597 45.963 15 45.967 23 45.968 45.972 16 45.963 24 45.987
StationRadius to
Tank Centroid
StationRadius to
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StationRadius to
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StationRadius to
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6. Shell Roundness Survey Evaluation A survey of tank shell was performed in accordance with API, to obtain verticality data at two heights of each strake (measured with optical equipment along 30 vertical stations around the tank exterior) and a tank reference circumference corresponding with the strake 1 upper section verticality reading.
To provide a report on the roundness of the tank shell, we have also determined the internal radii at each measurement station at 500 millimeters above the base of the tank shell.
The internal radii are derived from laser ranging (offset) measurements taken outside from the tank from a fixed point to each station around the lower section of 1st Course. These readings are adjusted using the tank shell verticality measurements to give an equivalent reading at 500 millimeters above the tank base. The tank centroid is computed from the adjusted offsets and the radius between the centroid and each measurement station calculated, as reported in the table below.
Radii at 500 mm above tank base
The maximum radius variation at 500 millimeters above the base of the tank shell is -25 millimeters
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TANK NO SAMPLE TANK SURVEY REPORT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30Deviation from the Average Radius -14 -17 -2 -11 -25 -23 -17 -8 -10 -22 -17 -11 -21 -11 -13 -17 -8 -12 -21 -25 -14 -13 -20 7 -6 -12 -24 -10 -16 -21
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Deviation from the Average Radius
Following are the deviations between the reference radius and the radius at each individual station:
The tolerances given in API 653 Table 10.2 the max Permissible value for Radii measured at 1 ft. above the shell-to-bottomweld shall not exceed +31.75 mm (Tank Diameter (Feet) >250).
Radius tolerances measured higher than one foot above the shell-to-bottom weld the max Permissible Radius tolerancesvalue will be three times the tolerances given in API 653 Table 10.2 which we mentioned before.
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* Top = 80%, Bott = 20%
Internal Offsets corrected for plate thickness - millimetres Negative value = Tank Set IN
1 2 3 4 5 6 7 8Course Thk (m)1 - top ** 0.0430 0 0 0 0 0 0 0 01 - bott 0.0430 -14 -17 -2 -11 -25 -23 -17 -82 - top 0.0400 -5 -6 -12 0 -13 -10 -20 -32 - bott 0.0400 2 1 -3 3 -1 1 -4 03 - top 0.0318 -2 16 1 -12 -25 9 4 143 - bott 0.0318 -5 -1 -11 -2 -18 -5 -14 14 - top 0.0263 9 31 -5 -22 -2 18 9 124 - bott 0.0263 3 30 6 -12 -18 8 9 215 - top 0.0210 12 30 -10 -20 -7 12 6 95 - bott 0.0210 12 30 -9 -20 0 21 13 -516 - top 0.0157 5 39 -16 -45 -11 17 12 146 - bott 0.0157 8 32 -14 -28 -8 14 4 107 - top 0.0131 23 47 -25 -51 3 24 7 17 - bott 0.0131 8 33 -29 -52 -16 10 -2 38 - top 0.0124 16 43 -38 -58 2 22 -10 -88 - bott 0.0124 22 46 -30 -56 6 30 -3 -179 - top 0.0000 0 0 0 0 0 0 0 09 - bott 0.0000 0 0 0 0 0 0 0 010 - top 0.0000 0 0 0 0 0 0 0 010 - bott 0.0000 0 0 0 0 0 0 0 0
9 10 11 12 13 14 15 16Course Thk (m)1 - top ** 0.0430 0 0 0 0 0 0 0 01 - bott 0.0430 -10 -22 -17 -11 -21 -11 -13 -172 - top 0.0400 2 -5 -6 -22 -5 -1 3 -22 - bott 0.0400 4 1 -1 -7 1 -1 4 83 - top 0.0318 5 -12 5 -16 2 -3 -6 33 - bott 0.0318 10 2 0 -23 -2 1 3 24 - top 0.0263 6 4 14 -26 -6 -13 -11 64 - bott 0.0263 9 -5 11 -21 2 -5 -10 35 - top 0.0210 7 12 10 -26 -10 -20 -25 -35 - bott 0.0210 4 7 16 -27 -13 -21 -14 76 - top 0.0157 19 11 7 -4 -1 -4 -21 -66 - bott 0.0157 19 17 5 -17 -4 -9 -20 37 - top 0.0131 17 17 7 11 -4 -17 -27 -157 - bott 0.0131 13 -6 -4 -1 -14 -11 -32 -178 - top 0.0124 19 3 -8 60 -22 -24 -35 -188 - bott 0.0124 19 17 -3 8 -19 -17 -29 -169 - top 0.0000 0 0 0 0 0 0 0 09 - bott 0.0000 0 0 0 0 0 0 0 010 - top 0.0000 0 0 0 0 0 0 0 010 - bott 0.0000 0 0 0 0 0 0 0 0
MAXIMUM OFFSET SET IN = -58 MMMINIMUM OFFSET SET OUT = 60 MMCORRECTED EXTERNAL CIRCUMFERENCE AT REFERENCE COURSE 1 = 289.172 MCORRECTED INTERNAL DIAMETER AT REFERENCE COURSE 1 = 91.9603 MINTERNAL RADIUS = 45.98 M at reference course 1 top position 30% from top weld
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* Top = 80%, Bott = 20%
Internal Offsets corrected for plate thickness - millimetres Negative value = Tank Set IN
17 18 19 20 21 22 23 24Course Thk (m)1 - top ** 0.0000 0 0 0 0 0 0 0 01 - bott 0.0000 -8 -12 -21 -25 -14 -13 -20 72 - top 0.0000 -11 8 18 6 10 -14 -3 -222 - bott 0.0000 0 6 8 6 2 -3 3 -113 - top 0.0000 18 23 38 4 3 7 11 -153 - bott 0.0000 5 13 28 7 -1 -13 -1 -104 - top 0.0000 20 28 41 24 29 2 -7 -184 - bott 0.0000 24 29 44 10 12 13 14 -145 - top 0.0000 14 35 57 20 24 -3 -14 -145 - bott 0.0000 17 28 43 25 29 0 -10 -196 - top 0.0000 34 53 59 14 20 6 -20 -226 - bott 0.0000 23 46 63 21 24 -5 -19 -137 - top 0.0000 23 54 56 31 13 3 -38 -317 - bott 0.0000 28 50 51 6 6 -1 -36 -348 - top 0.0000 17 58 49 14 10 -14 -59 -408 - bott 0.0000 20 57 56 32 15 -5 -48 -389 - top 0.0000 0 0 0 0 0 0 0 09 - bott 0.0000 0 0 0 0 0 0 0 010 - top 0.0000 0 0 0 0 0 0 0 010 - bott 0.0000 0 0 0 0 0 0 0 0
25 26 27 28 29 30 31 32Course Thk (m)1 - top ** 0.0000 0 0 0 0 0 0 0 01 - bott 0.0000 -6 -12 -24 -10 -16 -21 0 02 - top 0.0000 2 -3 12 -4 11 12 0 02 - bott 0.0000 -1 2 3 3 3 8 0 03 - top 0.0000 13 20 42 34 12 2 0 03 - bott 0.0000 11 6 8 33 15 12 0 04 - top 0.0000 10 22 43 35 16 8 0 04 - bott 0.0000 14 25 49 39 14 6 0 05 - top 0.0000 -1 14 32 36 27 4 0 05 - bott 0.0000 8 19 42 34 18 6 0 06 - top 0.0000 -19 19 32 42 20 -7 0 06 - bott 0.0000 -10 14 30 39 29 6 0 07 - top 0.0000 -23 18 15 28 20 7 0 07 - bott 0.0000 -30 10 20 31 15 -20 0 08 - top 0.0000 -30 11 -1 10 17 -5 0 08 - bott 0.0000 -28 15 7 19 20 0 0 09 - top 0.0000 0 0 0 0 0 0 0 09 - bott 0.0000 0 0 0 0 0 0 0 010 - top 0.0000 0 0 0 0 0 0 0 010 - bott 0.0000 0 0 0 0 0 0 0 0
MAXIMUM OFFSET SET IN = -59 MMMINIMUM OFFSET SET OUT = 63 MMCORRECTED EXTERNAL CIRCUMFERENCE AT REFERENCE COURSE 1 = 289.172 MCORRECTED INTERNAL DIAMETER AT REFERENCE COURSE 1 = 91.9603 MINTERNAL RADIUS = 45.98 M
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Opposing station internal offsets - Calculated internal diameter - metres
1 & 16 2 & 17 3 & 18 4 & 19 5 & 20 6 & 21 7 & 22 8 & 23Course1 - top ** 91.960 91.960 91.960 91.960 91.960 91.960 91.960 91.9601 - bott 91.929 91.935 91.946 91.928 91.910 91.923 91.930 91.9322 - top 91.953 91.943 91.956 91.978 91.953 91.960 91.926 91.9542 - bott 91.970 91.961 91.963 91.971 91.965 91.963 91.953 91.9633 - top 91.962 91.995 91.985 91.987 91.940 91.973 91.972 91.9863 - bott 91.958 91.965 91.963 91.987 91.950 91.955 91.934 91.9614 - top 91.975 92.011 91.983 91.979 91.982 92.007 91.971 91.9654 - bott 91.966 92.014 91.995 91.992 91.952 91.980 91.982 91.9955 - top 91.969 92.004 91.985 91.997 91.973 91.996 91.963 91.9555 - bott 91.979 92.007 91.979 91.983 91.985 92.010 91.973 91.8996 - top 91.960 92.034 91.998 91.975 91.964 91.998 91.979 91.9556 - bott 91.972 92.016 91.993 91.996 91.974 91.999 91.960 91.9527 - top 91.968 92.030 91.989 91.965 91.994 91.997 91.970 91.9237 - bott 91.951 92.021 91.981 91.959 91.950 91.976 91.957 91.9278 - top 91.958 92.020 91.980 91.951 91.976 91.992 91.936 91.8938 - bott 91.966 92.026 91.987 91.960 91.998 92.005 91.952 91.8959 - top 91.960 91.960 91.960 91.960 91.960 91.960 91.960 91.9609 - bott 91.960 91.960 91.960 91.960 91.960 91.960 91.960 91.960
9 & 24 10 & 25 11 & 26 12 & 27 13 & 28 14 & 29 15 & 30Course1 - top ** 91.960 91.960 91.960 91.960 91.960 91.960 91.9601 - bott 91.957 91.932 91.931 91.925 91.929 91.933 91.9262 - top 91.940 91.957 91.951 91.950 91.951 91.970 91.9752 - bott 91.953 91.960 91.961 91.956 91.964 91.962 91.9723 - top 91.951 91.962 91.986 91.987 91.997 91.970 91.9573 - bott 91.961 91.974 91.967 91.946 91.992 91.977 91.9764 - top 91.948 91.974 91.996 91.977 91.989 91.963 91.9574 - bott 91.955 91.969 91.996 91.988 92.001 91.969 91.9565 - top 91.953 91.971 91.984 91.966 91.986 91.967 91.9395 - bott 91.945 91.975 91.995 91.975 91.981 91.957 91.9526 - top 91.958 91.953 91.987 91.989 92.002 91.977 91.9336 - bott 91.967 91.968 91.980 91.974 91.996 91.981 91.9477 - top 91.946 91.954 91.985 91.986 91.984 91.963 91.9407 - bott 91.939 91.924 91.966 91.979 91.977 91.964 91.9088 - top 91.939 91.933 91.963 92.019 91.948 91.953 91.9208 - bott 91.941 91.949 91.972 91.975 91.960 91.963 91.9319 - top 91.960 91.960 91.960 91.960 91.960 91.960 91.9609 - bott 91.960 91.960 91.960 91.960 91.960 91.960 91.96010 - top 91.960 91.960 91.960 91.960 91.960 91.960 91.96010 - bott 91.960 91.960 91.960 91.960 91.960 91.960 91.960
MAXIMUM DIAMETER = 92.034 M MINIMUM DIAMETER = 91.893 MMAXIMUM TANK SET OUT = 74 MM MAXIMUM TANK SET IN = -67 MM
Opposing Station
Opposing Station
Report No : IET-16--17/000 Rev 00 November 2016Page 10 of 48
APLE
91.960
SAMPLE 91.960
91.932
SAMPLE 91.932 91.931
SAMPLE 91.931
91.957
SAMPLE 91.957 91.951
SAMPLE 91.951 91.950
SAMPLE 91.950
91.960
SAMPLE
91.960 91.961
SAMPLE
91.961 91.956
SAMPLE
91.95691.951
SAMPLE
91.951 91.962
SAMPLE
91.962 91.986
SAMPLE
91.98691.961
SAMPLE
91.961 91.974
SAMPLE
91.974 91.967
SAMPLE
91.96791.948
SAMPLE
91.948 91.974
SAMPLE
91.974 91.996
SAMPLE
91.99691.955
SAMPLE
91.955 91.969
SAMPLE
91.96991.953
SAMPLE
91.953 91.971
SAMPLE
91.97191.945
SAMPLE
91.945 91.975
SAMPLE
91.97591.958
SAMPLE
91.9586 - bott
SAMPLE
6 - bott 91.967
SAMPLE
91.9677 - top
SAMPLE
7 - top 91.946
SAMPLE
91.9467 - bott
SAMPLE
7 - bott8 - top
SAMPLE
8 - top8 - bottSAMPLE
8 - bott9 - topSAMPLE
9 - top9 - bottSAMPLE
9 - bott10 - topSAMPLE
10 - topSAMPLE
APLE
APLE
APLE
APLE
APLE
APLE
APLE
APLE
APLE
APLE
APLE
APLE
RPOR
91.995
REPORT91.99591.955
REPORT91.95591.899
REPORT91.89991.979
REPORT91.979 91.955
REPORT91.95591.960
REPORT91.960 91.952
REPORT91.952
91.970
REPORT91.970 91.923
REPORT91.923
91.976
REPORT91.976 91.957
REPORT91.957 91.927
REPORT91.927
91.992
REPORT91.992 91.936
REPORT91.936 91.893
REPORT91.893
92.005
REPORT92.005 91.952
REPORT91.952 91.895
REPORT91.895
91.960
REPORT91.960 91.960
REPORT91.960 91.960
REPORT91.960
91.960
REPORT91.960 91.960
REPORT91.960 91.960
REPORT91.960
960
REPORT960
91.9
REPORT91.9
Opposing station internal offset - metresREPORT
Opposing station internal offset - metres12 & 27REPORT
12 & 27 13 & 28REPORT
13 & 28
91.960REPORT
91.960 91.960REPORT
91.96091.925REPORT
91.925REPORT
REPORT
RPOR
RPOR
REPORT
REPORT
RPOR
RPOR
RPOR
RPOR
RPOR
RPOR
REPORTOpposing station internal offsets - Calculated internal diameter - metres
SAMPLE R
EPORT
TANK NO SAMPLE TANK SURVEY REPORT
Opposing station internal offsets - metres
1 & 16 2 & 17 3 & 18 4 & 19 5 & 20 6 & 21 7 & 22 8 & 23Course1 - top ** 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.0001 - bott -0.031 -0.025 -0.014 -0.032 -0.050 -0.037 -0.030 -0.0282 - top -0.007 -0.017 -0.004 0.018 -0.007 0.000 -0.034 -0.0062 - bott 0.010 0.001 0.003 0.011 0.005 0.003 -0.007 0.0033 - top 0.001 0.034 0.024 0.026 -0.021 0.012 0.011 0.0253 - bott -0.003 0.004 0.002 0.026 -0.011 -0.006 -0.027 0.0004 - top 0.014 0.050 0.022 0.018 0.021 0.046 0.010 0.0044 - bott 0.005 0.053 0.034 0.031 -0.009 0.019 0.021 0.0345 - top 0.009 0.044 0.025 0.037 0.013 0.036 0.003 -0.0055 - bott 0.019 0.047 0.019 0.023 0.025 0.050 0.013 -0.0616 - top 0.000 0.074 0.038 0.015 0.004 0.038 0.019 -0.0056 - bott 0.012 0.056 0.033 0.036 0.014 0.039 0.000 -0.0087 - top 0.008 0.070 0.029 0.005 0.034 0.037 0.010 -0.0377 - bott -0.009 0.061 0.021 -0.001 -0.010 0.016 -0.003 -0.0338 - top -0.003 0.059 0.019 -0.010 0.015 0.031 -0.025 -0.0688 - bott 0.005 0.065 0.026 -0.001 0.037 0.044 -0.009 -0.0669 - top 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
9 & 24 10 & 25 11 & 26 12 & 27 13 & 28 14 & 29 15 & 30Course1 - top ** 0.000 0.000 0.000 0.000 0.000 0.000 0.0001 - bott -0.003 -0.028 -0.029 -0.035 -0.031 -0.027 -0.0342 - top -0.020 -0.003 -0.009 -0.010 -0.009 0.010 0.0152 - bott -0.007 0.000 0.001 -0.004 0.004 0.002 0.0123 - top -0.010 0.001 0.025 0.026 0.036 0.009 -0.0043 - bott 0.000 0.013 0.006 -0.015 0.031 0.016 0.0154 - top -0.013 0.013 0.035 0.016 0.028 0.002 -0.0044 - bott -0.006 0.008 0.035 0.027 0.040 0.008 -0.0055 - top -0.007 0.011 0.024 0.006 0.026 0.007 -0.0215 - bott -0.015 0.015 0.035 0.015 0.021 -0.003 -0.0086 - top -0.002 -0.007 0.027 0.029 0.042 0.017 -0.0276 - bott 0.007 0.008 0.020 0.014 0.036 0.021 -0.0137 - top -0.014 -0.006 0.025 0.026 0.024 0.003 -0.0207 - bott -0.021 -0.036 0.006 0.019 0.017 0.004 -0.0528 - top -0.022 -0.028 0.002 0.058 -0.013 -0.008 -0.0418 - bott -0.020 -0.012 0.011 0.014 -0.001 0.002 -0.0309 - top 0.000 0.000 0.000 0.000 0.000 0.000 0.0009 - bott 0.000 0.000 0.000 0.000 0.000 0.000 0.00010 - top 0.000 0.000 0.000 0.000 0.000 0.000 0.00010 - bott 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Opposing Station
Opposing Station
Report No : IET-16--17/000 Rev 00 November 2016Page 11 of 48
APLE
Opposing station internal offset etres
SAMPLE Opposing station internal offset etres
11 & 26
SAMPLE 11 & 26
0.000
SAMPLE 0.000 0.000
SAMPLE 0.000 0.000
SAMPLE 0.000
-0.028
SAMPLE
-0.028 -0.029
SAMPLE
-0.029 -0.035
SAMPLE
-0.035-0.020
SAMPLE
-0.020 -0.003
SAMPLE
-0.003 -0.009
SAMPLE
-0.009-0.007
SAMPLE
-0.007 0.000
SAMPLE
0.000 0.001
SAMPLE
0.001-0.010
SAMPLE
-0.010 0.001
SAMPLE
0.001 0.025
SAMPLE
0.0250.000
SAMPLE
0.000 0.013
SAMPLE
0.013-0.013
SAMPLE
-0.013 0.013
SAMPLE
0.013-0.006
SAMPLE
-0.006 0.008
SAMPLE
0.008-0.007
SAMPLE
-0.0075 - bott
SAMPLE
5 - bott -0.015
SAMPLE
-0.0156 - top
SAMPLE
6 - top -0.002
SAMPLE
-0.0026 - bott
SAMPLE
6 - bott7 - top
SAMPLE
7 - top7 - bottSAMPLE
7 - bott8 - topSAMPLE
8 - top8 - bottSAMPLE
8 - bott9 - topSAMPLE
9 - top
APLE
APLE
APLE
APLE
APLE
APLE
APLE
APLE
APLE
APLE
APLE
APLE
SAMPLE
SAMPLE
SAMPLE
POR0.004
REPORT0.0040.034
REPORT0.034-0.005
REPORT-0.0050.013
REPORT0.013 -0.061
REPORT-0.0610.019
REPORT0.019 -0.005
REPORT-0.005
0.000
REPORT0.000 -0.008
REPORT-0.008
0.037
REPORT0.037 0.010
REPORT0.010 -0.037
REPORT-0.037
0.016
REPORT0.016 -0.003
REPORT-0.003 -0.033
REPORT-0.033
0.031
REPORT0.031 -0.025
REPORT-0.025 -0.068
REPORT-0.068
0.037
REPORT0.037 0.044
REPORT0.044 -0.009
REPORT-0.009
0.000
REPORT0.000 0.000
REPORT0.000 0.000
REPORT0.000
000
REPORT000
0.0
REPORT0.0
Opposing station internal offsets - m REPORT
Opposing station internal offsets - m12 & 27REPORT
12 & 27 13 & 28REPORT
13 & 28
PORPORPORPORPORPORPOR
REPORT
Opposing station internal offsets - metres
SAMPLE R
EPORT
TANK NO SAMPLE TANK SURVEY REPORT
Ring # : 1 no Top & Bottom
Reference ring(1 no Top)1 no Bottom *Not to scale, magnified for clarity
23
12
1
2
3
4
5
6
7 8 9
10
11
16
13
14
15
17
18
19
20
21
22 24
25
26
27
28
29
30
Report No : IET-16--17/000 Rev 00 November 2016Page 12 of 48
SAMPLE
Reference ring(1 no Top) SAMPLE
Reference ring(1 no Top) SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
21
SAMPLE
21
SAMPLE R
EPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT5
REPORT5
REPORTRing offset graphs :
SAMPLE R
EPORT
TANK NO SAMPLE TANK SURVEY REPORT
Ring # : 8 no Top & Bottom
Reference ring8 no Top8 no Bottom *Not to scale, magnified for clarity
23
12
1
2
3
4
5
6
7 8 9
10
11
16
13
14
15
17
18
19
20
21
22 24
25
26
27
28
29
30
Report No : IET-16--17/000 Rev 00 November 2016Page 19 of 48
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
21
SAMPLE
21
SAMPLE
SAMPLE R
EPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT5
REPORT5
REPORT
REPORTRing offset graphs :
SAMPLE R
EPORT
TANK NO SAMPLE TANK SURVEY REPORT
21.921 0 91.960 m 010th course
0 091.960 m
21.921 91.960 m0 0
9th course0 0
91.960 m21.921 91.958 m
16 -188th course
22 -1691.966 m
19.235 91.968 m23 -15
7th course8 -17
91.951 m16.500 91.960 m
5 -66th course
8 391.972 m
13.742 91.969 m12 -3
5th course12 7
91.979 m11.000 91.975 m
9 64th course
3 391.966 m
8.243 91.962 m-2 3
3rd course-5 2
91.958 m5.493 91.953 m
-5 -22nd course
2 891.970 m
2.745 91.960 m (Reference diameter)0 0
1st course-14 91.929 m -17
0.000 m
set out set in set in set out
*Not to scale, magnified for clarity
-200 0 +200Station 16
INTERNAL OFFSETS (OPPOSING STATIONS) IN MM
+200 0 -200Station 1
INTERNAL DIAMETER
Report No : IET-16--17/000 Rev 00 November 2016Page 20 of 48
SAMPLE 91.979
SAMPLE 91.979
91.975
SAMPLE 91.975
4th course
SAMPLE
4th course
-2
SAMPLE
-2
-5
SAMPLE
-5
-5
SAMPLE
-5
SAMPLE
SAMPLE
SAMPLE
SAMPLE
5.493
SAMPLE
5.493
2.745SAMPLE
2.745SAMPLE
SAMPLE R
EPORT
REPORT
REPORT-15
REPORT-15
-17
REPORT-17
-6
REPORT-6
91.972
REPORT91.972 m
REPORTm
91.969 REPORT
91.969 mREPORT
m
5th courseREPORT
5th courseREPORT
REPORT
REPORT
Offset graphs-opposite stations :
SAMPLE R
EPORT
TANK NO SAMPLE TANK SURVEY REPORT
21.921 0 91.960 m 010th course
0 091.960 m
21.921 91.960 m0 0
9th course0 0
91.960 m21.921 91.992 m
-10 -148th course
-3 -592.005 m
19.235 91.997 m7 3
7th course-2 -1
91.976 m16.500 91.998 m
12 66th course
4 -591.999 m
13.742 91.996 m6 -3
5th course13 0
92.010 m11.000 92.007 m
9 24th course
9 1391.980 m
8.243 91.973 m4 7
3rd course-14 -13
91.955 m5.493 91.960 m
-20 -142nd course
-4 -391.963 m
2.745 91.960 m (Reference diameter)0 0
1st course-17 91.923 m -13
0.000 m
set out set in set in set out
*Not to scale, magnified for clarity
Station 7 Station 22
INTERNAL OFFSETS (OPPOSING STATIONS) IN MM
INTERNAL DIAMETER
+200 0 -200 -200 0 +200
Report No : IET-16--17/000 Rev 00 November 2016Page 26 of 48
SAMPLE 5th course
SAMPLE 5th course
92.010
SAMPLE 92.010
92.007
SAMPLE
92.007
4th course
SAMPLE
4th course
-14
SAMPLE
-14
-20
SAMPLE
-20
-4SAMPLE
-4SAMPLE
SAMPLE
5.493
SAMPLE
5.493
2.745SAMPLE
2.745SAMPLE
SAMPLE
SAMPLE R
EPORT
REPORT
REPORT-5
REPORT-5
3
REPORT3
-1
REPORT-1
91.999 REPORT
91.999 mREPORT
m91.996 REPORT
91.996 mREPORT
m
5th courseREPORT
5th courseREPORT
REPORT
REPORT
REPORT
Offset graphs-opposite stations :
SAMPLE R
EPORT
TANK NO SAMPLE TANK SURVEY REPORT
9th course0 0
91.960 m21.921 91.953 m
-24 178th course
-17 2091.963 m
19.235 91.963 m-17 20
7th course-11 15
91.964 m16.500 91.977 m
-4 186th course
-9 2991.981 m
13.742 91.967 m-20 27
5th course-21 18
91.957 m11.000 91.963 m
-13 164th course
-5 1491.969 m
8.243 91.970 m-3 12
3rd course1 15
91.977 m5.493 91.970 m
-1 112nd course
-1 391.962 m
2.745 91.960 m (Reference diameter)0 0
1st course-11 91.933 m -16
0.000 m
set out set in set in set out
*Not to scale, magnified for clarity
Station 14 Station 29
INTERNAL OFFSETS (OPPOSING STATIONS) IN MM
INTERNAL DIAMETER
+200 0 -200 -200 0 +200
Report No : IET-16--17/000 Rev 00 November 2016Page 33 of 48
SAMPLE 5th course
SAMPLE 5th course
91.957
SAMPLE 91.957
91.963
SAMPLE
91.963
4th course
SAMPLE
4th course
-3
SAMPLE
-3
1
SAMPLE
1
-1
SAMPLE
-1
SAMPLE
SAMPLE
SAMPLE
5.493
SAMPLE
5.493
2.745SAMPLE
2.745SAMPLE R
EPORT20
REPORT20
20
REPORT20
15
REPORT15
91.981 REPORT
91.981 mREPORT
m91.967 REPORT
91.967 mREPORT
m
5th courseREPORT
5th courseREPORT
REPORT
REPORT
REPORT
Offset graphs-opposite stations :
SAMPLE R
EPORT
TANK NO SAMPLE TANK SURVEY REPORT
0 09th course
0 091.960 m
21.921 91.920 m-35 -5
8th course-29 0
91.931 m19.235 91.940 m
-27 77th course
-32 -2091.908 m
16.500 91.933 m-21 6
6th course-20 6
91.947 m13.742 91.939 m
-25 45th course
-14 691.952 m
11.000 91.957 m-11 8
4th course-10 6
91.956 m8.243 91.957 m
-6 23rd course
3 1291.976 m
5.493 91.975 m3 12
2nd course4 8
91.972 m2.745 91.960 m (Reference diameter)
0 01st course
-13 91.926 m -210.000 m
set out set in set in set out
*Not to scale, magnified for clarity
Station 15 Station 30
INTERNAL OFFSETS (OPPOSING STATIONS) IN MM
INTERNAL DIAMETER
+200 0 -200 -200 0 +200
Report No : IET-16--17/000 Rev 00 November 2016Page 34 of 48
SAMPLE 5th course
SAMPLE 5th course
91.952
SAMPLE 91.952
91.957
SAMPLE
91.957
4th course
SAMPLE
4th course
-6
SAMPLE
-6
3
SAMPLE
3
3
SAMPLE
3
SAMPLE
SAMPLE
SAMPLE
5.493
SAMPLE
5.493
2.745SAMPLE
2.745SAMPLE
SAMPLE R
EPORT
REPORT
REPORT0
REPORT0
7
REPORT7
-20
REPORT-20
91.947 REPORT
91.947 mREPORT
m91.939 REPORT
91.939 mREPORT
m
5th courseREPORT
5th courseREPORT
REPORT
REPORT
REPORT
Offset graphs-opposite stations :
SAMPLE R
EPORT
TANK NO SAMPLE TANK SURVEY REPORT
StationCourse1 - top ** 14 17 2 11 25 23 17 8 10 22 17 11 21 11 13 17 8 12 21 251 - bott 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 02 - top 6 8 -13 8 9 10 -6 2 9 14 8 -14 13 7 13 12 -6 17 36 282 - bott 13 15 -4 11 21 21 10 5 11 20 13 1 19 7 14 22 5 15 26 283 - top 1 22 -8 -12 -11 21 10 11 4 -1 11 -16 12 -3 -4 9 15 24 48 183 - bott -2 5 -20 -2 -4 7 -8 -2 9 13 6 -23 8 1 5 8 2 14 38 214 - top 6 31 -20 -28 6 24 9 3 -1 9 14 -32 -2 -19 -15 6 11 23 45 324 - bott 0 30 -9 -18 -10 14 9 12 2 0 11 -27 6 -11 -14 3 15 24 48 185 - top 4 25 -30 -31 -4 13 1 -5 -5 12 5 -37 -11 -31 -34 -8 0 25 56 235 - bott 4 25 -29 -31 3 22 8 -65 -8 7 11 -38 -14 -32 -23 2 3 18 42 286 - top -8 29 -41 -61 -13 13 2 -5 2 6 -3 -20 -7 -20 -35 -16 15 38 53 126 - bott -5 22 -39 -44 -10 10 -6 -9 2 12 -5 -33 -10 -25 -34 -7 4 31 57 197 - top 7 34 -53 -70 -2 17 -6 -21 -3 9 -6 -8 -13 -36 -44 -28 1 36 47 267 - bott -8 20 -57 -71 -21 3 -15 -19 -7 -14 -17 -20 -23 -30 -49 -30 6 32 42 18 - top -1 29 -67 -78 -4 14 -24 -31 -2 -6 -22 40 -32 -44 -53 -32 -6 39 39 88 - bott 5 32 -59 -76 0 22 -17 -40 -2 8 -17 -12 -29 -37 -47 -30 -3 38 46 269 - top -24 -57 -48 -17 8 -46 -66 -50 -52 -49 -31 -35 -29 7 42 23 -16 -30 -37 -209 - bott -13 -53 -38 -12 26 -34 -65 -50 -49 -50 -25 -36 -21 14 46 12 -17 -33 44 -28
16 17 1811 129 105 6 7 15
Verticality value in each shell two position with respect to the bottom of the first shell
1 14 19 208 132 3 4
7.Tank Verticality Evaluation Tank verticality survey was performed in accordance with API, to obtain verticality data at two heights of each tank of the top of the shell with respect to bottom of the shell (measured with optical equipment along 30 vertical stations around the tank exterior).
The verticality evaluation was made in two different formats. One format represents the verticality value in each shell two position with respect to the bottom of the first shell & other represents the value of the top of the tank with respect to the bottom of the tank.
Report No : IET-16--17/000 Rev 00 November 2016Page 35 of 48
SAMPLE 11
SAMPLE 11
11
SAMPLE 11 4
SAMPLE 4
-2
SAMPLE -2 9
SAMPLE 9 13
SAMPLE 13
9
SAMPLE
9 3
SAMPLE
3 -1
SAMPLE
-19
SAMPLE
9 12
SAMPLE
12 2
SAMPLE
21
SAMPLE
1 -5
SAMPLE
-5 -5
SAMPLE
-522
SAMPLE
22 8
SAMPLE
8 -65
SAMPLE
-6513
SAMPLE
13 2
SAMPLE
2 -5
SAMPLE
-510
SAMPLE
10 -6
SAMPLE
-6-2
SAMPLE
-2 17
SAMPLE
17 -6
SAMPLE
-6-21
SAMPLE
-21 3
SAMPLE
3 -15
SAMPLE
-15-78
SAMPLE
-78 -4
SAMPLE
-4 14
SAMPLE
14-76
SAMPLE
-76 0
SAMPLE
0 22
SAMPLE
22-17
SAMPLE
-17 8
SAMPLE
8 -46
SAMPLE
-46-38
SAMPLE
-38 -12
SAMPLE
-12 26
SAMPLE
26
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE R
EPORT
22 REPORT
22 17REPORT
17 11REPORT
110 REPORT
0 0REPORT
014 REPORT
14 8REPORT
813REPORT
13
11
REPORT11 12
REPORT12
Verticality value in each shell two position with respect to the bottom of the first shell
REPORTVerticality value in each shell two position with respect to the bottom of the first shell
13
REPORT13
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORTTank verticality survey was performed in accordance with API, to obtain verticality data at two heights of each tank of the t
REPORTTank verticality survey was performed in accordance with API, to obtain verticality data at two heights of each tank of the tthe shell with respect to bottom of the shell (measured with optical equipment along 30 vertical stations around the tank ext
REPORTthe shell with respect to bottom of the shell (measured with optical equipment along 30 vertical stations around the tank ext
The verticality evaluation was made in two different formats. One format represents the verticality value in each shell two p
REPORTThe verticality evaluation was made in two different formats. One format represents the verticality value in each shell two pwith respect to the bottom of the first shell & other represents the value of the top of the tank with respect to the bottom
REPORTwith respect to the bottom of the first shell & other represents the value of the top of the tank with respect to the bottom
REPORT
SAMPLE R
EPORT
TANK NO SAMPLE TANK SURVEY REPORT
StationCourse1 - top ** 14 13 20 -7 6 12 24 10 16 21 14 8 22 12 16 20 20 20 10 231 - bott 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 02 - top 21 -4 14 -32 5 6 33 3 24 30 10 -1 23 15 22 25 21 14 5 162 - bott 13 7 20 -21 2 11 24 10 16 26 10 3 23 13 16 22 19 15 6 183 - top 6 9 20 -33 8 21 55 33 17 12 11 2 23 -9 36 42 23 10 10 263 - bott 2 -11 8 -28 6 7 21 32 20 22 8 -1 18 12 23 31 22 7 3 154 - top 26 -2 -4 -42 -1 17 50 28 15 12 -1 -1 15 14 34 44 7 3 6 164 - bott 9 9 17 -38 3 20 56 32 13 10 4 3 20 12 34 43 15 6 6 195 - top 16 -12 -16 -43 -17 4 34 24 21 3 -20 -10 10 11 32 42 -7 -6 0 115 - bott 21 -9 -12 -48 -8 9 44 22 12 5 -4 -9 13 11 34 43 2 -2 2 146 - top 7 -8 -27 -56 -40 4 29 25 9 -13 -11 -10 15 22 41 54 3 -10 -5 -16 - bott 11 -19 -26 -47 -31 -1 27 22 18 0 -19 -13 12 14 36 46 -7 -9 -7 27 - top -3 -14 -48 -68 -47 0 9 8 6 -2 -8 -11 24 45 58 50 -1 -18 -21 -227 - bott -10 -18 -46 -71 -54 -8 14 11 1 -29 -4 -12 18 37 52 54 -2 -10 -17 -388 - top -7 -32 -70 -78 -55 -8 -8 -11 2 -15 -20 -43 -17 22 43 9 -19 -26 -31 -208 - bott -2 -23 -59 -76 -53 -4 0 -2 5 -10 -16 -27 8 28 47 21 -4 -16 -18 -379 - top -24 -57 -48 -17 8 -46 -66 -50 -52 -49 -31 -35 -29 7 42 23 -16 -30 -37 -209 - bott -13 -53 -38 -12 26 -34 -65 -50 -49 -50 -25 -36 -21 14 46 12 -17 -33 44 -28
MAXIMUM VERTICALITY SET IN = 57 mmMINIMUM VERTICALITY SET OUT = -78 mm
16 17 18 19 2030 31 32 1322 23 24 25 26 27 28 29 14 15
Verticality value in each shell two position with respect to the bottom of the first shell
21
Report No : IET-16--17/000 Rev 00 November 2016Page 36 of 48
SAMPLE 18
SAMPLE 18
8
SAMPLE 8 6
SAMPLE 6
11
SAMPLE 11 1
SAMPLE 1 -29
SAMPLE -29
-8
SAMPLE
-8 -11
SAMPLE
-11 2
SAMPLE
2 -15
SAMPLE
-150
SAMPLE
0 -2
SAMPLE
-2 5
SAMPLE
5-66
SAMPLE
-66 -50
SAMPLE
-50 -52
SAMPLE
-52-34
SAMPLE
-34 -65
SAMPLE
-65 -50
SAMPLE
-50
mm
SAMPLE
mm-78
SAMPLE
-78 mm
SAMPLE
mm
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE R
EPORT22
REPORT22 12
REPORT12 16
REPORT16
0
REPORT0 0
REPORT0
-1
REPORT-1 23
REPORT23 15
REPORT15
3
REPORT3 23
REPORT23 13
REPORT13
11
REPORT11 2
REPORT2 23
REPORT23
8
REPORT8 -1
REPORT-1 18
REPORT18
-1
REPORT-1 -1
REPORT-1 15
REPORT15
10
REPORT
10 4
REPORT
4 3
REPORT
33 REPORT
3 -20REPORT
-20 -10REPORT
-105 REPORT
5 -4REPORT
-4-13 REPORT
-13 -11REPORT
-11-19REPORT
-19
16
REPORT1614
REPORT14 15
REPORT15
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
SAMPLE R
EPORT
TANK NO SAMPLE TANK SURVEY REPORT
StationCourse1 no bottom13.271 13.462 13.141 8.845 8.439 11.311 12.358 12.334 13.157 13.446 13.023 13.870 13.174 13.157 13.215 13.054 12.872 12.824 13.143 13.3099 no top 13.272 13.433 13.208 8.923 8.443 11.297 12.382 12.365 13.159 13.452 13.045 13.830 13.206 13.201 13.268 13.086 12.878 12.785 13.104 13.301
Verticality Value
-1 29 -67 -78 -4 14 -24 -31 -2 -6 -22 40 -32 -44 -53 -32 -6 39 39 8
StationCourse1 no bottom13.411 11.733 11.851 11.172 10.144 8.584 7.127 9.772 12.943 11.924 4.646 7.344 8.947 10.722 8.148 8.777 11.533 9.452 10.865 8.5029 no top 13.418 11.765 11.921 11.250 10.199 8.592 7.135 9.783 12.941 11.939 4.677 7.379 8.976 10.715 8.106 8.754 11.549 9.482 10.902 8.522
Verticality Value
-7 -32 -70 -78 -55 -8 -8 -11 2 -15 -31 -35 -29 7 42 23 -16 -30 -37 -20
MAXIMUM VERTICALITY SET IN = 40 mmMINIMUM VERTICALITY SET OUT = -78 mm
19 2013 14 15 16 17 1827 28 29 30 31 32
19 20
Verticality value of the top of the tank with respect to the bottom of the tank.
21 22 23 24 25 26
13 14 15 16 17 187 8 9 10 11 121 2 3 4 5 6
Verticality value of the top of the tank with respect to the bottom of the tank.
The maximum out-of-plumbness / verticality of the top of the shell with respect to bottom of the shell is + 127mm.
This evaluation is done in accordance with the section 10.5.2.1 of API Standard 653
The maximum out-of-plumbness / verticality of the top of the shell with respect to bottom of the shell is + 127mm.
This evaluation is done in accordance with the section 10.5.2.1 of API Standard 653
Report No : IET-16--17/000 Rev 00 November 2016Page 37 of 48
SAMPLE 12.943
SAMPLE 12.943
12.941
SAMPLE 12.941
-11
SAMPLE
-11 2
SAMPLE
2 -15
SAMPLE
-15
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
plumbness / verticality of the top of the shell with respect to bottom of the shell is
SAMPLE
plumbness / verticality of the top of the shell with respect to bottom of the shell is
This evaluation is done in accordance with the section 10.5.2.1 of API Standard 653
SAMPLE
This evaluation is done in accordance with the section 10.5.2.1 of API Standard 653
REPORT13.174
REPORT13.174 13.157
REPORT13.157 13.215
REPORT13.215 13.054
REPORT13.054
13.206
REPORT13.206 13.201
REPORT13.201 13.268
REPORT13.268
40
REPORT40 -32
REPORT-32 -44
REPORT-44
11.924 REPORT
11.924 4.646REPORT
4.6464.677REPORT
4.677
30 REPORT
30 31REPORT
31 32REPORT
32
14
REPORT14 15
REPORT15 16
REPORT16
Verticality value of the top of the tank with respect to the bottom of the tank.
REPORTVerticality value of the top of the tank with respect to the bottom of the tank.
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
SAMPLE R
EPORT
8. Edge Settlement (API653B method)
The measurement points are connected with spline curves to produce each floor profile Dimensions in millimetres
Report No : IET-16--17/000 Rev 00 November 2016
TANK NO SAMPLE TANK SURVEY REPORT
Page 38 of 48
SAMPLE R
EPORT
Edge Settlement (API653B method)
The measurement points are connected with spline curves to produce each floor profile Dimensions in millimetres
Report No : IET-16--17/000 Rev 00 November 2016Page 41 of 48
TANK NO SAMPLE TANK SURVEY REPORT
SAMPLE R
EPORT
Edge Settlement Evaluation – API653B
API 653 Appendix B Floor Edge Settlement Evaluation Criteria
1.
�� � �� � �� � � � � � � � �� � �� �� � � � � � � � � � � � � � � � �� � � �� � � � �� � � � � � �� � � � � � � � � � � � � � � � � � � � � � � � � �� � � � �� �� � �� ���
2.
� � � � � � � � �� � �� � � �� � �� � �� � � � � � � �� �� � � � � ! "� � � � � � � � � � � � � � � � � � #$ � � � �� � � � � � � �� � � � � � � � � � � �� � �
particle or liquid penetrant examination.3.
�� � �� � �� � � �� � �� � �� � � � � � � � ! "� � � � � � � � � � � � � � � �� � � � � � � � � � � �
4. An asterix preceeding an evaluation comment denotes a settlement radius that exceeds the range of the graph provided by the Standard (6 feet).� � � � � � � � � � � � � � � � � � � � � � � � � � �% � � � � � � � � � � � � � � � � �� �
Floor API 653B Actual Actual Max Max ActualWeld Angle Evaluation Settled Area Settled Area Allowable Allowable Edge Evaluation of settlement in accordance with
within Method Radius Radius Settlement Settlement Settlement Variation API 653B Figures B-10, B-11 or Section B.3.4.3 Station Settled Area Reference R (mm) R (feet) &'( ) &' ) &*+ ,- ./ &' ( ) &' ) &* 0 0/ (mm) (mm)
1 none B-11 0 0.00 #N/A #N/A 0 #N/A #N/A2 none B-11 915 3.00 4.67 119 24 -95 less than 75% of Be3 none B-11 0 0.00 #N/A #N/A 0 #N/A #N/A4 none B-11 0 0.00 #N/A #N/A 0 #N/A #N/A5 none B-11 1352 4.44 6.04 153 26 -127 less than 75% of Be6 45° B.3.4.3 638 2.09 3.03 77 27 -50
� � � � � � � ! "� � �
7 none B-11 0 0.00 #N/A #N/A 0 #N/A #N/A8 none B-11 282 0.93 2.00 51 14 -37 less than 75% of Be9 none B-11 1218 4.00 5.65 144 58 -86 less than 75% of Be10 none B-11 0 0.00 #N/A #N/A 0 #N/A #N/A11 none B-11 0 0.00 #N/A #N/A 0 #N/A #N/A12 none B-11 404 1.33 2.00 51 20 -31 less than 75% of Be13 65° B.3.4.3 455 1.49 2.00 51 19 -32
� � � � � � � ! "� � �
14 15° B.3.4.3 706 2.32 3.49 89 31 -58
� � � � � � � ! "� � �
15 perpendicular B-11 1487 4.88 6.43 163 58 -105 less than 75% of Be16 perpendicular B-11 1435 4.71 6.28 160 46 -114 less than 75% of Be17 none B-11 1407 4.62 6.20 157 43 -114 less than 75% of Be18 45° B.3.4.3 1288 4.23 5.02 128 50 -78
� � � � � � � ! "� � �
19 30° B.3.4.3 1313 4.31 5.33 135 64 -71
� � � � � � � ! "� � �
20 none B-11 1013 3.32 4.99 127 27 -100 less than 75% of Be21 none B-11 669 2.19 3.36 85 37 -48 less than 75% of Be22 20° B.3.4.3 1576 5.17 6.21 158 65 -93
� � � � � � � ! "� � �
23 35° B.3.4.3 1692 5.55 6.18 157 53 -104
� � � � � � � ! "� � �
24 none B-11 0 0.00 #N/A #N/A 0 #N/A #N/A
Report No : IET-16--17/000 Rev 00 November 2016Page 37 of 43
Report No : IET-16--17/000 Rev 00 November 2016Page 42 of 48
TANK NO SAMPLE TANK SURVEY REPORT
SAMPLEREPORT
TANK NO SAMPLE TANK SURVEY REPORT
Location 1 to 30 as indicated above is moving in anti-clockwise direction
API Standard 653 (B.3.2) approximation for maximum out-of-plane deflection is 18.00 mm.
The Standard suggests further assessment or repair if the deflection exceeds the permissible value.
This evaluation is done in accordance with the section B.2.2.4f of API Standard 653
The max Permissible value As per API Standard 653 Edition 2014 (section B.3.2.1) is + 24.10 mm by the following equation
S maxft = (L2 x Y x 11) 2[(E x H)]
So, the tank can be used as per above mentioned value from API standard, but needs to checked for settlement at periodic interval.
Report No : IET-16--17/000 Rev 00 November 2016Page 43 of 48
SAMPLE clockwise direction
SAMPLE clockwise direction
API Standard 653 (B.3.2) approximation for maximum out
SAMPLE API Standard 653 (B.3.2) approximation for maximum out-
SAMPLE -of
SAMPLE of-
SAMPLE -
SAMPLE plane deflection is 18.00 mm.
SAMPLE plane deflection is 18.00 mm.
The Standard suggests further assessment or repair if the deflection exceeds the permissible value.
SAMPLE
The Standard suggests further assessment or repair if the deflection exceeds the permissible value.
This evaluation is done in accordance with the section B.2.2.4f of API Standard 653
SAMPLE
This evaluation is done in accordance with the section B.2.2.4f of API Standard 653
SAMPLE
The max Permissible value As per API Standard 653 Edition 2014 (section B.3.2.1) is
SAMPLE
The max Permissible value As per API Standard 653 Edition 2014 (section B.3.2.1) is
So, the tank can be used as per above mentioned value from API standard, but needs to checked for settlement at periodic
SAMPLE
So, the tank can be used as per above mentioned value from API standard, but needs to checked for settlement at periodic
REPORT
REPORT9. Tank Shell Settlement Evaluation
SAMPLE R
EPORT
TANK No SAMPLE TANK SURVEY REPORT
10.TANK BOTTOM FLOOR PROFILE FROM CENTRE (CONE UP)CENTRELINE TANK SHELL SIDE
02468
1012141618
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
dept
h
positions
Segment 1 (0 deg)
02468
1012141618
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
dept
h
positions
Segment 2 (30 deg anti-clockwise)
02468
1012141618
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
dept
h
positions
Segment 3 (60 deg anti-clockwise)
02468
1012141618
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
dept
h
positions
Segment 4 (90 deg anti-clockwise)
Report No : IET-16--17/000 Rev 00 November 2016Page 44 of 48
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
3
SAMPLE
3 4
SAMPLE
4 5
SAMPLE
5
Segment 3 (60 deg anti
SAMPLE
Segment 3 (60 deg anti
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
18SAMPLE
18SAMPLE R
EPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT14
REPORT14 15
REPORT15 16
REPORT16
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
9
REPORT
9 10
REPORT
10 11
REPORT
11
positions REPORT
positions REPORT
SAMPLE R
EPORT
TANK No SAMPLE TANK SURVEY REPORT
TANK BOTTOM FLOOR PROFILE FROM CENTRE (CONE UP)
AVERAGE SHAPE OF TANK BOTTOM
CONE-UP PROFILE(ALL DEPTH IN CM)
CENTRELINE TANK SHELL SIDE
CENTRELINE TANK SHELL SIDE
16.31666667
12.83333333 12.54166667 11.59166667
10.59166667 8.958333333 8.3 7.458333333
6.416666667 5.966666667 5.125 4.516666667 3.366666667
2.441666667 1.608333333 0 0
2468
1012141618
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16Series1 16.31667 12.83333 12.54167 11.59167 10.59167 8.958333 8.3 7.458333 6.416667 5.966667 5.125 4.516667 3.366667 2.441667 1.608333 0
02468
1012141618
dept
h
positions
AVERAGE SHAPE OF BOTTOM (DEPTH FROM TANK BOTTOM)
Report No : IET-16--17/000 Rev 00 November 2016Page 47 of 48
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SAMPLE 6
SAMPLE 6 7
SAMPLE 7 8
SAMPLE 8
SAMPLE
10.59167
SAMPLE
10.59167 8.958333
SAMPLE
8.958333 8.3
SAMPLE
8.3 7.458333
SAMPLE
7.458333
positions
SAMPLE
positions
SAMPLE
SAMPLE R
EPORTTANK SHELL SIDE
REPORTTANK SHELL SIDE
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT4.516666667
REPORT4.5166666674.516666667
REPORT4.516666667
3.366666667
REPORT3.3666666673.366666667
REPORT3.3666666673.366666667
REPORT3.3666666673.366666667
REPORT3.366666667
2.441666667
REPORT2.4416666672.441666667
REPORT2.4416666672.441666667
REPORT2.4416666672.441666667
REPORT2.4416666672.441666667
REPORT2.4416666672.441666667
REPORT2.4416666671.608333333
REPORT1.6083333331.608333333
REPORT1.6083333331.608333333
REPORT1.6083333331.608333333
REPORT1.608333333
13
REPORT13 14
REPORT14 15
REPORT15
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORT
REPORTAVERAGE SHAPE OF BOTTOM (DEPTH FROM TANK BOTTOM)
REPORTAVERAGE SHAPE OF BOTTOM (DEPTH FROM TANK BOTTOM)
REPORT
SAMPLE R
EPORT
TANK NO SAMPLE TANK SURVEY REPORT
11. Evaluation Summary
Tank Shell Settlement : The maximum out-of-plane deflection is 18.0mm.
The max Permissible value As per API Standard 653 Edition 2014 (section B.3.2.1) is
+ 24.10 mm by the following equation
S max ft = (L2 x Y x 11) 2[(E x H)]
Where: Smax, ft is permissible out-of-plane settlement, in feet (ft);
L is arc length between measurement points, in feet (ft);
Y is yield strength of the shell material, in pound force per square inch (lbf/in2);
E is Young’s Modulus, in pound force per square inch (lbf/in2);
H is tank height, in feet (ft).
Tank Out-of-Roundness / Ovality : The maximum radius variation at300mm above the base of the tank shell is -25.0 mm.
The tolerances given in API 653 Table 10.2 the max Permissible value for Radii measured at 1 ft. above the shell-to-bottom weld shall not exceed +31.75mm (Tank Diameter (Feet) >250).
Tank Out-of-Plumbness / Verticality : The maximum Verticalityvalue of the top of the tank with respect to the bottom of the tank is -78.0 mm & The maximum the verticality value in each shell two position with respect to the bottom of the first shell is -78.0 mm
The maximum out-of-plumbness / verticality of the top of the shell with respect to bottom of the shell is + 127.0 mm.
This evaluation is done in accordance with the section 10.5.2.1 of API Standard 653
Reviewed & Approved By:
Report No : IET-16--17/000 Rev 00 November 2016Page 43 of 43
SAMPLE
Roundness
SAMPLE
Roundness /
SAMPLE
/ Ovality
SAMPLE
Ovalitythe
SAMPLE
the base
SAMPLE
base of
SAMPLE
of the
SAMPLE
the tank
SAMPLE
tank
tolerances
SAMPLE
tolerances given
SAMPLE
given in
SAMPLE
in API
SAMPLE
APImeasured
SAMPLE
measured at
SAMPLE
at 1
SAMPLE
1 ft
SAMPLE
ft.
SAMPLE
. above
SAMPLE
above(Tank
SAMPLE
(Tank Diameter
SAMPLE
Diameter (Feet)
SAMPLE
(Feet)
SAMPLE
TankSAMPLE
Tank OutSAMPLE
OutvalueSAMPLE
value ofSAMPLE
of theSAMPLE
the&SAMPLE
& TheSAMPLE
ThetheSAMPLE
the
REPORT(section
REPORT(section
settlement,
REPORTsettlement, in
REPORTin feet
REPORTfeet (ft)
REPORT(ft);
REPORT;
feet
REPORTfeet (ft)
REPORT(ft);
REPORT;
material,
REPORTmaterial, in
REPORTin pound
REPORTpound force
REPORTforce
per REPORT
per squareREPORT
square inchREPORT
inch
SAMPLE R
EPORT XX XXXX
IETQ-16-000 rev 00
MOHAMED RAUB
SANJAY BOSE
YES
IET ADMINISTRATION &CLIENT
SAMPLE R
EPORT
C-xx STORAGE TANK xx-xxxx TANK EDGE SETTLEMENT SURVEY (DURING HYDROTEST)
Report No: IETQ-16-062 rev 00 August 2016
CONTENTS
1. Execution Summary
2. Person To Contact
3. Applicable Codes, Standard, Specification
4. Abbreviation
5. Tank Description
6. Tank Edge Settlement Evaluation - During Hydro test (Waterfilling)
7. Tank Edge Settlement Evaluation with respect to 0% waterlevel
8. Evaluation Summary
Page 1 of 7
SAMPLE R
EPORT
C-xx STORAGE TANK xx-xxxx TANK EDGE SETTLEMENT SURVEY (DURING HYDROTEST)
Report No: IETQ-16-000 rev 00 August 2016
1. Execution SummaryEdge settlement Survey on different water level (0, 20, 40, 60 & 80 percentage) during water filling and (40 & 0 percentage) during dewatering of hydro test had to be carried out on C-xxStorage Tank-xx-xxxx; vertical Butt welded mild steel cylindrical tank, with a fixed roof.
On behalf of our end client, Qatar Chemical Company Ltd.(QCHEM) we have performed a survey of the tank to provide data to assist in determining the compliance of tank with API Standard 653, Appendix B Shell Edge Settlement.
The engineers who performed the onsite survey were Mr. Sanjay Bose & Mr. Sobin Sibichen.
This report should be read in conjunction with API 653 Appendix B.
The API 653, Appendix B standard allows the operator to interpret settlement data, particularly the determination of floor edge settlement break-over points and the nomination of statistical outlying data for shell settlement in determination of the plane of rigid tilt and the tank shell deflection.
We have exercised such judgment in good faith and provide illustrations of our working in this report; and we have processed the data for the convenience of engineering personnel assessing the tank against the API 653 B standard. The ultimate responsibility therefore lies with the engineers in accepting the information in this report and its suitability for deciding upon the condition of the tank consequently, we are receptive to any requests from our client to re-process the tank data in accordance with their differing interpretation of the API 653B standard.
The Standard acknowledges that the tank’s previous service history may be considered inevaluating many of the aspects of settlement.
We cannot comment whether the apparent settlement of the tank represents the as-built condition or is settlement since construction. The API 653 settlement specifications assume the current condition to have developed from a purely symmetrical tank, and as such should be viewed as a worst-case evaluation.
Other than by the methods described in API Standard 653 Appendix B, we do not attempt to calculate the tank shell stresses that may be generated by tank settlement.
Page 2 of 7
SAMPLE R
EPORT
C- xx STORAGE TANK xx-xxxx TANK EDGE SETTLEMENT SURVEY (DURING HYDROTEST)
Report No: IETQ-16-000 rev 00 August 2016
2. Person To Contact CLIENT:
Qatar Chemical Company Ltd.,Mesaieed Industrial City,State of Qatar.
CONTRACTOR:
Person to Contact:
Sub-Contractor:
Inside Exploration Technologies WLL,P.O. Box: 201763 Doha, State of Qatar.
Person to Contact: Mr. Sanjay Bose Technical In-charge | Tank Survey & Calibration Division T: +974 3347 1069
Mr. Ginosh Abraham Director-Middle East.
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C-xx STORAGE TANK xx-xxxx TANK EDGE SETTLEMENT SURVEY (DURING HYDROTEST)
Report No: IETQ-16-000 rev 00 August 2016
3. Applicable Codes, Standards, Specification
1. API – 653 Tank Inspection, Repair, Alteration and Reconstruction – 5th
Edition 2014
2. API 653, Annex B – Evaluation of Tank Bottom Settlement – 5th Edition 2014
3. ISO 7507 / API MPMS – Manual of Petroleum Measurement Standards.
4. MECHANICAL DATA Sheets’ (As Built)
4. Abbreviation
API – American Petroleum Institute
ISO – International Standard Organization
Smax - Permissible out-of-plane settlement
L - Arc length between measurement points
Y - Yield strength of the shell material
E - Young’s Modulus
H - Tank height
M - Meters
mm – Millimeters
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C-xx STORAGE TANK xx-xxxx TANK EDGE SETTLEMENT SURVEY (DURING HYDROTEST)
Report No: IETQ-16-062 rev 00 August 2016
5. Tank Description
Client Qatar Chemical Company Ltd.,
Location Mesaieed, Qatar.
Tank Number C-xx STORAGE TANK-xxxxxx
Material of Construction Carbon Steel
Number of Shell Courses Six (06)
Method of Construction Welding
Product Storage C-xx Product
Service 0, 20, 40, 60 & 80% water level during Hydro test
Type of Roof Fixed Dome
Evaluation Code API 653 Edition-2014
Evaluation Carried out by Mr. Sanjay Bose – Surveyor
Date of Survey
Inspection/Survey Carried out Tank Edge Settlement
Values Considered for evaluation:
Height: 10.800 M Arc Length (L): 8.245 M Yield Strength (Y): 30000 Young’s Modulus (E): 29000000
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SAMPLE
C-xx STORAGE TANK-xx-xxxx TANK EDGE SETTLEMENT SURVEY(DURING HYDROTEST)
1 2 3 4 5 6 7 8Actual Edge Settlement (mm) 0.0 -4.0 6.0 -9.0 2.0 -4.0 0.0 0.0Settlement Value - 0% Water Level -3.0 0.5 5.0 -5.0 -1.0 0.5 -1.0 4.0Settlement Value - 20% Water Level -4.5 -1.5 2.0 0.0 3.5 6.5 -1.0 -5.0Settlement Value - 40% Water Level -2.5 -3.5 -1.5 4.0 4.5 4.5 -0.5 -5.0Settlement Value - 60% Water Level -2.5 -2.5 -1.5 1.5 0.5 6.5 3.5 -5.5Settlement Value - 80% Water Level -3.5 2.5 -0.5 -0.5 3.5 5.5 0.5 -7.5Settlement Value - 40% Water Level (Dewatering) 1.0 -3.5 1.0 -4.5 5.0 5.5 -7.0 2.5Settlement Value - 0% Water Level (Dewatering) 0.0 -1.0 -3.0 1.5 6.0 6.0 -3.0 -6.5
-10.0-8.0-6.0-4.0-2.00.02.04.06.08.0
6. Tank Edge Settlement Evaluation - During Hydrotest (Water filling)
Location 1 to 8 as indicated above is moving in anti-clockwise direction
API Standard 653 (B.3.2) approximation for maximum out-of-plane deflection is -7.5 mm.
The Standard suggests further assessment or repair if the deflection exceeds the permissible value.
This evaluation is done in accordance with the section B.2.2.4f of API Standard 653.
The max Permissible value As per API Standard 653 Edition 2014 (section B.3.2.1) is + 35.81 mm by the following equation
S maxft = (L2 x Y x 11) 2[(E x H)]
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SAMPLE R
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C-xx STORAGE TANK-xx-xxxx TANK EDGE SETTLEMENT SURVEY(DURING HYDROTEST)
1 2 3 4 5 6 7 8Settlement Value - 0% Water Level 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0Settlement Value - 20% Water Level 1.5 2.0 3.0 -5.0 -4.5 -6.0 0.0 9.0Settlement Value - 40% Water Level -0.5 4.0 6.5 -9.0 -5.5 -4.0 -0.5 9.0Settlement Value - 60% Water Level -0.5 3.0 6.5 -6.5 -1.5 -6.0 -4.5 9.5Settlement Value - 80% Water Level 0.5 -2.0 5.5 -4.5 -4.5 -5.0 -1.5 11.5Settlement Value - 40% Water Level (Dewatering) -4.0 4.0 4.0 -0.5 -6.0 -5.0 6.0 1.5Settlement Value - 0% Water Level (Dewatering) -3.0 1.5 8.0 -6.5 -7.0 -5.5 2.0 10.5
-15.0-10.0
-5.00.05.0
10.015.0
7. Tank Edge Settlement EvaluationWith respect to 0% water level
In the above graph Evaluation for Settlement Survey Value in different water level is calculated with respect to 0% water level as reference.
8. Evaluation SummaryThe maximum out-of-plane deflection is -7.5 mm.
The max Permissible value As per API Standard 653 Edition 2014 (section B.3.2.1) is + 35.81 mm by the following equation S max ft = (L2 x Y x 11)
2[(E x H)]
Where: Smax, ft is permissible out-of-plane settlement, in feet (ft); L is arc length between measurement points, in feet (ft); Y is yield strength of the shell material, in pound force per square inch (lbf/in2); E is Young’s Modulus, in pound force per square inch (lbf/in2); H is tank height, in feet (ft).
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