8/11/2019 103.C.0_Dyke Wall Calculation for FO System
1/2
Ideal Energy Projects L td 1 x 270 MW Thermal Power Project
N 22.0 m
m
3 9 . 0
H 1 , H 2
m
1 . 8 0
22.0 m
Input Data
no.m3
mmm (approx.)m (approx.)no.m3
mm
m (approx.)m (approx.)
mm
m2
m3
10
Diameter of tank pad for FO Storage Tank, D 3 [=D1+1.62]
Diameter of LDO Storage Tank, D 2
No. of LDO tanks, N 2
858.0
CALCULATION OF FUEL OIL DYKE HEIGHT
Capacity of FO Storage Tank, Q 1Diameter of FO Storage Tank, D
1
11000
Height of LDO Storage Tank,H 2
10
No. of FO tanks, N 1
Height of FO Storage Tank, H 1 13.511.62
1.0
Diameter of tank pad for LDO Storage Tank, D 4 [=D2+1.62]
Capacity of LDO Storage Tank, Q 2
Height of tank pad, H 3
Height of tank pad, H 4
Dyke Area, A [=LxW]
10.62
1.0
Length of dyke wall (inside), LWidth of dyke wall (inside),
W
1000
1500
99
39.022.0
Volume of tank considered for calculation, Q [max. of Q 1 or Q
2]
FUTURE DYKE AREA
FO TANK
LDO TANKD1, D2
McNally Bharat Engineering Company Ltd,
Kolkata(2-BP01-DC0-U-2-0002-R1) 1 of 2
8/11/2019 103.C.0_Dyke Wall Calculation for FO System
2/2
Ideal Energy Projects L td 1 x 270 MW Thermal Power Project
Calculation
m3
m3
m3
m3
m3
Volume of FO considered for further calculation, V 6 [=Q-V5]
m3
m2
m2
m2
H5 mm
m
m
336.63
78.54
715.8
106.05Volume of tank pad for FO Storage Tank, V 1
[=0.7854xD32xH3]
Volume of tank pad for LDO Storage Tank, V 2[=0.7854xD42xH4]
Effective volume in the dyke area upto tank pad height, V
5[=V4-V3]
Total volume of dyke area upto pad height, V 4 [=LxWxH 3]
858
663.37
1.80
Total effective area accomodating FO, A E [=A-A 1-A2]
Free board provided, F B
Total Height of dyke wall calculated, H D [=H 3+H 5+FB]
Height of dyke wall provided
0.47
Assuming that in worst case the bigger tank is leaking at the
bottom most point, effectivevolume of dyke required will be
1000m3.
88.58194.63
>>> Further height of dyke wall is required, as
effective volume is less than design volume.
Area of FO Tank, A 1 [=0.7854xD12]
Total volume of two pads, V 3 [=V1+V2]
0.3
Height of dyke wall required for 336.63 m3 volume,
1.77
Area of LDO Tank, A 2 [=0.7854xD22] 63.62
McNally Bharat Engineering Company Ltd,
Kolkata(2-BP01-DC0-U-2-0002-R1) 2 of 2
