67272186 Overfill Protection Calculations
16
Overfill Protection System Rev.0 Page 1 STORAGE TANK LEVEL INSTRUMENTATION SYSTEMS TANK OPERATING LEVELS WORKSHEETS Client : Shell Pakistan Ltd. Installation Name: Keamari Isnstallation, Karachi Prep. By : Shoaib Date : Mar. 31, 2009 Rev. 0 Tank Product Tank Tank Max. Volume Per Rate of Tank Emergency Normal High-High High Level Overfill High-High High Level Normal No. Dia. Height Inflow Unit of Tank Rise at Max. Response Response Level Setting Setting Level Level Lev (Note 7) Rate Level Inflow Time Time Cal. Set Cal. Set Height Volume Height Volume Height (m) (m) (l/mm) (mm/min) (min) (min) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) S-11 SUPLL 6.09 12.1 258 29 148 15 12 2214 2250 2289 2325 12100 9850 286.92 9775 285 9700 (Note-3) (Note-1) (Note-2) XXS-28 JETA1 9 13.8 1687 64 442 15 12 6629 6700 6704 6775 13800 7100 451.682 7025 447 6950 (Note-3) (Note-1) (Note-2) S-18 JETA1 9 13.8 1687 64 442 15 12 6629 6700 6704 6775 13800 7100 451.682 7025 447 6950 assumed (Note-3) (Note-1) (Note-2) 0 #DIV/0! 15 12 ### ### 75 0 0 0 -75 0 -150 (Note-3) (Note-1) (Note-2) NOTES: 1 200 mm or max. inflow rate for 15 min. whichever is greater 2 The recommended difference between the high level and the high-high level is 75 mm. 3 SPL to confirm 4 5 Overfill Level : (The tank maximum capacity) The highest possible liquid level in the tank prior to product being lost or damage is caused to the tank and i) Fixed roof tank (no IFC) : Top of the Shell (Top Angle) or bottom of Top foam connection ii) IFC and EFR tanks : level at which the floating roof (including seal) strikes a tank fitting on top of the tank or tank top connections 6 7 BOP of Top Foam Pourer otherwise Tank Height (m 3 /hr.) (m 3 ) (m 3 ) Normal Fill Level: The level upto which the tank is allowed to receive product at the maximum allowable receiving flow rate for a predetermined time prior Safe Fill Level : The safe fill level upto which the tank is allowed to receive product delivery after the normal fill level is attained.
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Transcript of 67272186 Overfill Protection Calculations
Overfill Protection System Rev.0 Page 1
STORAGE TANK LEVEL INSTRUMENTATION SYSTEMS
TANK OPERATING LEVELS WORKSHEETS
Client : Shell Pakistan Ltd.
Installation Name: Keamari Isnstallation, Karachi
Prep. By : Shoaib
Date : Mar. 31, 2009
Rev. 0
Tank Product Tank Tank Max. Volume Per Rate of Tank Emergency Normal High-High High Level Overfill High-High High Level Normal Fill
No. Dia. Height Inflow Unit of Tank Rise at Max. Response Response Level Setting Setting Level Level Level
(Note 7) Rate Level Inflow Time Time Cal. Set Cal. Set Height Volume Height Volume Height Volume
(m) (m) (l/mm) (mm/min) (min) (min) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
S-11 SUPLL 6.09 12.1 258 29 148 15 12 2214 2250 2289 2325 12100 9850 286.92 9775 285 9700 283
(Note-3) (Note-1) (Note-2)
XXS-28 JETA1 9 13.8 1687 64 442 15 12 6629 6700 6704 6775 13800 7100 451.682 7025 447 6950 442
(Note-3) (Note-1) (Note-2)
S-18 JETA1 9 13.8 1687 64 442 15 12 6629 6700 6704 6775 13800 7100 451.682 7025 447 6950 442
assumed (Note-3) (Note-1) (Note-2)
0 #DIV/0! 15 12 #DIV/0! #DIV/0! 75 0 0 0 -75 0 -150 0
(Note-3) (Note-1) (Note-2)NOTES:
1 200 mm or max. inflow rate for 15 min. whichever is greater2 The recommended difference between the high level and the high-high level is 75 mm.
3 SPL to confirm 4
5 Overfill Level : (The tank maximum capacity) The highest possible liquid level in the tank prior to product being lost or damage is caused to the tank and / to its fittings (IFC / EFR) i) Fixed roof tank (no IFC) : Top of the Shell (Top Angle) or bottom of Top foam connection ii) IFC and EFR tanks : level at which the floating roof (including seal) strikes a tank fitting on top of the tank or tank top connections.
67 BOP of Top Foam Pourer otherwise Tank Height
(m3/hr.) (m3) (m3) (m3)
Normal Fill Level: The level upto which the tank is allowed to receive product at the maximum allowable receiving flow rate for a predetermined time prior to reaching the safe fill level.
Safe Fill Level : The safe fill level upto which the tank is allowed to receive product delivery after the normal fill level is attained.
Overfill Protection System Rev.0 Page 2
STORAGE TANK LEVEL INSTRUMENTATION SYSTEMS
TANK OPERATING LEVELS WORKSHEETS
Client : Shell Market Midle EastPakistan Ltd.
Installation Name: Jebel Ali Installation, UAE
Prep. By : Umair
Date : Mar. 31, 2009
Rev. 0
Tank Product Tank Tank Max. Volume Per Rate of Tank Emergency Normal High-High High Level Overfill High-High High Level Normal Fill
No. Dia. Height Inflow Unit of Tank Rise at Max. Response Response Level Setting Setting Level Level Level
(Note 7) Rate Level Inflow Time Time Cal. Set Cal. Set Height Volume Height Volume Height Volume
(m) (m) (l/mm) (mm/min) (min) (min) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
S-06 HOBC 6.096 12.1158 258 29 147 15 12 2210 2250 2285 2325 12115.8 9865.8 287.947 9790.8 286 9715.8 284
(Note-3) (Note-1) (Note-2)
S-07 SUPLL 6.09 12.1 258 29 148 15 12 2214 1450 2289 1525 12100 10650 310.223 10575 308 10500 306
(Note-3) (Note-1) (Note-2)
S-10 SUPLL 6.028 12.116 258 29 151 15 12 2260 2300 2335 2375 12116 9816 280.137 9741 278 9666 276
(Note-3) (Note-1) (Note-2)
S-09 SUPLL 6.023 12.1 258 28 151 15 12 2264 2300 2339 2375 12100 9800 279.217 9725 277 9650 275
(Note-3) (Note-1) (Note-2)NOTES:
1 200 mm or max. inflow rate for 15 min. whichever is greater2 The recommended difference between the high level and the high-high level is 75 mm.
3 SPL to confirm 4
5 Overfill Level : (The tank maximum capacity) The highest possible liquid level in the tank prior to product being lost or damage is caused to the tank and / to its fittings (IFC / EFR) i) Fixed roof tank (no IFC) : Top of the Shell (Top Angle) or bottom of Top foam connection ii) IFC and EFR tanks : level at which the floating roof (including seal) strikes a tank fitting on top of the tank or tank top connections.
67 BOP of Top Foam Pourer otherwise Tank Height
(m3/hr.) (m3) (m3) (m3)
Normal Fill Level: The level upto which the tank is allowed to receive product at the maximum allowable receiving flow rate for a predetermined time prior to reaching the safe fill level.
Safe Fill Level : The safe fill level upto which the tank is allowed to receive product delivery after the normal fill level is attained.
Overfill Protection System Rev.0 Page 3
STORAGE TANK LEVEL INSTRUMENTATION SYSTEMS
TANK OPERATING LEVELS WORKSHEETS
Client : Shell Pakistan Ltd.
Installation Name: Keamari Isnstallation, Karachi
Prep. By : Shoaib
Date : Mar. 31, 2009
Rev. 0
Tank Product Tank Tank Max. Volume Per Rate of Tank Emergency Normal High-High High Level Overfill High-High High Level Normal Fill
No. Dia. Height Inflow Unit of Tank Rise at Max. Response Response Level Setting Setting Level Level Level
(Note 7) Rate Level Inflow Time Time Cal. Set Cal. Set Height Volume Height Volume Height Volume
(m) (m) (l/mm) (mm/min) (min) (min) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
S-02 HOBC 6.096 12.28 258 29 147 15 12 2210 2250 2285 2325 12280 10030 292.739 9955 291 9880 288
(Note-3) (Note-1) (Note-2)
S-03 SKO 7.62 12.1 258 46 94 15 12 1414 1450 1489 1525 12100 10650 485.679 10575 482 10500 479
(Note-3) (Note-1) (Note-2)
S-04 HOBC 6.093 12.116 258 29 147 15 12 2212 2250 2287 2325 12116 9866 287.669 9791 285 9716 283
(Note-3) (Note-1) (Note-2)
S-05 SKO 6.089 12.28 258 29 148 15 12 2215 2250 2290 2325 12280 10030 292.067 9955 290 9880 288
(Note-3) (Note-1) (Note-2)NOTES:
1 200 mm or max. inflow rate for 15 min. whichever is greater2 The recommended difference between the high level and the high-high level is 75 mm.
3 SPL to confirm 4
5 Overfill Level : (The tank maximum capacity) The highest possible liquid level in the tank prior to product being lost or damage is caused to the tank and / to its fittings (IFC / EFR) i) Fixed roof tank (no IFC) : Top of the Shell (Top Angle) or bottom of Top foam connection ii) IFC and EFR tanks : level at which the floating roof (including seal) strikes a tank fitting on top of the tank or tank top connections.
67 BOP of Top Foam Pourer otherwise Tank Height
(m3/hr.) (m3) (m3) (m3)
Normal Fill Level: The level upto which the tank is allowed to receive product at the maximum allowable receiving flow rate for a predetermined time prior to reaching the safe fill level.
Safe Fill Level : The safe fill level upto which the tank is allowed to receive product delivery after the normal fill level is attained.
Overfill Protection System Rev.0 Page 4
STORAGE TANK LEVEL INSTRUMENTATION SYSTEMS
TANK OPERATING LEVELS WORKSHEETS
Client : Shell Pakistan Ltd.
Installation Name: Keamari Isnstallation, Karachi
Prep. By : Shoaib
Date : Mar. 31, 2009
Rev. 0
Tank Product Tank Tank Max. Volume Per Rate of Tank Emergency Normal High-High High Level Overfill High-High High Level Normal Fill
No. Dia. Height Inflow Unit of Tank Rise at Max. Response Response Level Setting Setting Level Level Level
(Note 7) Rate Level Inflow Time Time Cal. Set Cal. Set Height Volume Height Volume Height Volume
(m) (m) (l/mm) (mm/min) (min) (min) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
SP-11 With LOBP 0 #DIV/0! 15 12 #DIV/0! #DIV/0! 75 0 0 0 -75 0 -150 0
(Note-3) (Note-1) (Note-2)
SP-16 JP-08 17.374 9.4488 256 237 18 15 12 270 300 345 375 9448.8 9148.8 2168.87 9073.8 2151 8998.8 2133
(Note-3) (Note-1) (Note-2)
0 #DIV/0! 15 12 #DIV/0! #DIV/0! 75 0 0 0 -75 0 -150 0
(Note-3) (Note-1) (Note-2)
0 #DIV/0! 15 12 #DIV/0! #DIV/0! 75 0 0 0 -75 0 -150 0
(Note-3) (Note-1) (Note-2)NOTES:
1 200 mm or max. inflow rate for 15 min. whichever is greater2 The recommended difference between the high level and the high-high level is 75 mm.
3 SPL to confirm 4
5 Overfill Level : (The tank maximum capacity) The highest possible liquid level in the tank prior to product being lost or damage is caused to the tank and / to its fittings (IFC / EFR) i) Fixed roof tank (no IFC) : Top of the Shell (Top Angle) or bottom of Top foam connection ii) IFC and EFR tanks : level at which the floating roof (including seal) strikes a tank fitting on top of the tank or tank top connections.
67 BOP of Top Foam Pourer otherwise Tank Height
(m3/hr.) (m3) (m3) (m3)
Normal Fill Level: The level upto which the tank is allowed to receive product at the maximum allowable receiving flow rate for a predetermined time prior to reaching the safe fill level.
Safe Fill Level : The safe fill level upto which the tank is allowed to receive product delivery after the normal fill level is attained.
Overfill Protection System Rev.0 Page 5
STORAGE TANK LEVEL INSTRUMENTATION SYSTEMS
TANK OPERATING LEVELS WORKSHEETS
Client : Shell Pakistan Ltd.
Installation Name: Keamari Isnstallation, Karachi
Prep. By : Shoaib
Date : Mar. 31, 2009
Rev. 0
Tank Product Tank Tank Max. Volume Per Rate of Tank Emergency Normal High-High High Level Overfill High-High High Level Normal Fill
No. Dia. Height Inflow Unit of Tank Rise at Max. Response Response Level Setting Setting Level Level Level
(Note 7) Rate Level Inflow Time Time Cal. Set Cal. Set Height Volume Height Volume Height Volume
(m) (m) (l/mm) (mm/min) (min) (min) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
SP-5 Furnace 17.821 10.725 208 249 14 15 12 208 250 283 325 10725 10475 2612.81 10400 2594 10325 2575
(Note-3) (Note-1) (Note-2)
SP-6 Furnace 17.821 12.1 208 249 14 15 12 208 250 283 325 12100 11850 2955.78 11775 2937 11700 2918
(Note-3) (Note-1) (Note-2)
SP-7 LDO 17.821 12.116 1687 249 113 15 12 1691 1750 1766 1825 12116 10366 2585.62 10291 2567 10216 2548
(Note-3) (Note-1) (Note-2)
0 #DIV/0! 15 12 #DIV/0! #DIV/0! 75 0 0 0 -75 0 -150 0
(Note-3) (Note-1) (Note-2)NOTES:
1 200 mm or max. inflow rate for 15 min. whichever is greater2 The recommended difference between the high level and the high-high level is 75 mm.
3 SPL to confirm 4
5 Overfill Level : (The tank maximum capacity) The highest possible liquid level in the tank prior to product being lost or damage is caused to the tank and / to its fittings (IFC / EFR) i) Fixed roof tank (no IFC) : Top of the Shell (Top Angle) or bottom of Top foam connection ii) IFC and EFR tanks : level at which the floating roof (including seal) strikes a tank fitting on top of the tank or tank top connections.
67 BOP of Top Foam Pourer otherwise Tank Height
(m3/hr.) (m3) (m3) (m3)
Normal Fill Level: The level upto which the tank is allowed to receive product at the maximum allowable receiving flow rate for a predetermined time prior to reaching the safe fill level.
Safe Fill Level : The safe fill level upto which the tank is allowed to receive product delivery after the normal fill level is attained.
Overfill Protection System Rev.0 Page 6
STORAGE TANK LEVEL INSTRUMENTATION SYSTEMS
TANK OPERATING LEVELS WORKSHEETS
Client : Shell Pakistan Ltd.
Installation Name: Keamari Isnstallation, Karachi
Prep. By : Shoaib
Date : Mar. 31, 2009
Rev. 0
Tank Product Tank Tank Max. Volume Per Rate of Tank Emergency Normal High-High High Level Overfill High-High High Level Normal Fill
No. Dia. Height Inflow Unit of Tank Rise at Max. Response Response Level Setting Setting Level Level Level
(Note 7) Rate Level Inflow Time Time Cal. Set Cal. Set Height Volume Height Volume Height Volume
(m) (m) (l/mm) (mm/min) (min) (min) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
SP-18 HSD 36 13.03 2600 1018 43 15 12 639 650 714 725 13030 12380 12601.3 12305 12525 12230 12449
(Note-3) (Note-1) (Note-2)
SP-19 JET A1 36 11.627 2600 1018 43 15 12 639 650 714 725 11627 10977 11173.2 10902 11097 10827 11021
(Note-3) (Note-1) (Note-2)
SP-20 SUPER 17.37 14.63 2600 237 183 15 12 2743 2750 2818 2825 14630 11880 2815.18 11805 2797 11730 2780
(Note-3) (Note-1) (Note-2)
SP-21 AVGAS 17.37 14.63 1100 237 77 15 12 1160 1200 1235 1275 14630 13430 3182.48 13355 3165 13280 3147
(Note-3) (Note-1) (Note-2)NOTES:
1 200 mm or max. inflow rate for 15 min. whichever is greater2 The recommended difference between the high level and the high-high level is 75 mm.
3 SPL to confirm 4
5 Overfill Level : (The tank maximum capacity) The highest possible liquid level in the tank prior to product being lost or damage is caused to the tank and / to its fittings (IFC / EFR) i) Fixed roof tank (no IFC) : Top of the Shell (Top Angle) or bottom of Top foam connection ii) IFC and EFR tanks : level at which the floating roof (including seal) strikes a tank fitting on top of the tank or tank top connections.
67 BOP of Top Foam Pourer otherwise Tank Height
(m3/hr.) (m3) (m3) (m3)
Normal Fill Level: The level upto which the tank is allowed to receive product at the maximum allowable receiving flow rate for a predetermined time prior to reaching the safe fill level.
Safe Fill Level : The safe fill level upto which the tank is allowed to receive product delivery after the normal fill level is attained.
Overfill Protection System Rev.0 Page 7
STORAGE TANK LEVEL INSTRUMENTATION SYSTEMS
TANK OPERATING LEVELS WORKSHEETS
Client : Shell Pakistan Ltd.
Installation Name: Keamari Isnstallation, Karachi
Prep. By : Shoaib
Date : Mar. 31, 2009
Rev. 0
Tank Product Tank Tank Max. Volume Per Rate of Tank Emergency Normal High-High High Level Overfill High-High High Level Normal Fill
No. Dia. Height Inflow Unit of Tank Rise at Max. Response Response Level Setting Setting Level Level Level
(Note 7) Rate Level Inflow Time Time Cal. Set Cal. Set Height Volume Height Volume Height Volume
(m) (m) (l/mm) (mm/min) (min) (min) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
SP-13 HSD 25.15 11.81 2600 497 87 15 12 1308 1350 1383 1425 11810 10460 5196.34 10385 5159 10310 5122
(Note-3) (Note-1) (Note-2)
SP-14 HSD 24.38 12.34 2600 467 93 15 12 1392 1400 1467 1475 12340 10940 5107.1 10865 5072 10790 5037
(Note-3) (Note-1) (Note-2)
SP-15 SUPER 14.63 11.88 2600 168 258 15 12 3867 3875 3942 3950 11880 8005 1345.67 7930 1333 7855 1320
(Note-3) (Note-1) (Note-2)
SP-17 SUPER 22.49 14.63 2600 397 109 15 12 1636 1675 1711 1750 14630 12955 5146.43 12880 5117 12805 5087
(Note-3) (Note-1) (Note-2)NOTES:
1 200 mm or max. inflow rate for 15 min. whichever is greater2 The recommended difference between the high level and the high-high level is 75 mm.
3 SPL to confirm 4
5 Overfill Level : (The tank maximum capacity) The highest possible liquid level in the tank prior to product being lost or damage is caused to the tank and / to its fittings (IFC / EFR) i) Fixed roof tank (no IFC) : Top of the Shell (Top Angle) or bottom of Top foam connection ii) IFC and EFR tanks : level at which the floating roof (including seal) strikes a tank fitting on top of the tank or tank top connections.
67 BOP of Top Foam Pourer otherwise Tank Height
(m3/hr.) (m3) (m3) (m3)
Normal Fill Level: The level upto which the tank is allowed to receive product at the maximum allowable receiving flow rate for a predetermined time prior to reaching the safe fill level.
Safe Fill Level : The safe fill level upto which the tank is allowed to receive product delivery after the normal fill level is attained.
Overfill Protection System Rev.0 Page 8
STORAGE TANK LEVEL INSTRUMENTATION SYSTEMS
TANK OPERATING LEVELS WORKSHEETS
Client : Shell Pakistan Ltd.
Installation Name: Keamari Isnstallation, Karachi
Prep. By : Shoaib
Date : Mar. 31, 2009
Rev. 0
Tank Product Tank Tank Max. Volume Per Rate of Tank Emergency Normal High-High High Level Overfill High-High High Level Normal Fill
No. Dia. Height Inflow Unit of Tank Rise at Max. Response Response Level Setting Setting Level Level Level
(Note 7) Rate Level Inflow Time Time Cal. Set Cal. Set Height Volume Height Volume Height Volume
(m) (m) (l/mm) (mm/min) (min) (min) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
SP-02 FO 25.9 10.97 215 527 7 15 12 102 200 177 275 10970 10770 5674.21 10695 5635 10620 5595
(Note-3) (Note-1) (Note-2)
SP-03 HSD 25.9 10.97 2600 527 82 15 12 1234 1250 1309 1325 10970 9720 5121.01 9645 5081 9570 5042
(Note-3) (Note-1) (Note-2)
SP-04 HSD 25.9 10.97 2600 527 82 15 12 1234 1250 1309 1325 10970 9720 5121.01 9645 5081 9570 5042
(Note-3) (Note-1) (Note-2)
SP-08 HSD 17.83 9.144 2600 250 174 15 12 2603 2625 2678 2700 9144 6519 1627.7 6444 1609 6369 1590
(Note-3) (Note-1) (Note-2)NOTES:
1 200 mm or max. inflow rate for 15 min. whichever is greater2 The recommended difference between the high level and the high-high level is 75 mm.
3 SPL to confirm 4
5 Overfill Level : (The tank maximum capacity) The highest possible liquid level in the tank prior to product being lost or damage is caused to the tank and / to its fittings (IFC / EFR) i) Fixed roof tank (no IFC) : Top of the Shell (Top Angle) or bottom of Top foam connection ii) IFC and EFR tanks : level at which the floating roof (including seal) strikes a tank fitting on top of the tank or tank top connections.
67 BOP of Top Foam Pourer otherwise Tank Height
(m3/hr.) (m3) (m3) (m3)
Normal Fill Level: The level upto which the tank is allowed to receive product at the maximum allowable receiving flow rate for a predetermined time prior to reaching the safe fill level.
Safe Fill Level : The safe fill level upto which the tank is allowed to receive product delivery after the normal fill level is attained.
