Bund Wall Calculation Capacity Chk (Consider 2 New Tanks)

DOC. NO.

63-INQ09-036-DC-03

DESIGN SHEET 2

SHEET NO.

. T0802

CONTAINMENT CAPACITY WITHIN BUNDWALL COMPOUND CHECK TANK FARM FOR A

T-1414 ~ 1421

NET CAPACITY WITHIN BUNDWALL i) GROSS CONTAINMENT CAPACITY LENGTH OF NEW BUNDWALL (INSIDE DIMENSION) WIDTH OF NEW & EXT'G BUNDWALL (INSIDE DIMENSION) INTERNAL HEIGHT OF EXT'G BUNDWALL NEW CONTAINMENT CAPACITY

Lb1 = W1 = Hb1=

Vg1 = Hb1 * W1 * Lb1 =

LENGTH OF EXT'G BUNDWALL (INSIDE DIMENSION) WIDTH OF NEW & EXT'G BUNDWALL (INSIDE DIMENSION) INTERNAL HEIGHT OF NEW BUNDWALL

Lb2 = W2 = Hb2 =

21.00 m 29.50 m 1.40 m 867.30 m3 42.00 m 29.50 m 1.40 m

Vg2 = Hb2 * W2 * Lb2 =

1,735 m3

Vg =Vg1 + Vg2=

2,602 m3

(T-1420 & T-1421) Dt= Ht1 = Hb1 - Hf = Vt1 =

13.8 m 1.10 m 164.53 m3

EXT'G CONTAINMENT CAPACITY GROSS CONTAINMENT CAPACITY ii) TANK DISPLACEMENTS NEW TANK DIAMETER (OUTSIDE) NEW TANK DISPLACED HEIGHT CAPACITY DISPLACED BY NEW TANK

EXT'G TANK DIAMETER (OUTSIDE) (T-1414 & T-1418) Dt = EXT'G TANK DISPLACED HEIGHT Ht1 = Hb2 - Hf = CAPACITY DISPLACED BY EACH EXT'G TANK Vt2 =

5.7 m 1.10 m 28.07 m3/TANK

EXT'G TANK DIAMETER (OUTSIDE) (T-1415 & T-1416) Dt = EXT'G TANK DISPLACED HEIGHT Ht1 = Hb2 - Hf = CAPACITY DISPLACED BY EACH EXT'G TANK Vt3 =

9.6 m 1.10 m 79.62 m3/TANK

EXT'G TANK DIAMETER (OUTSIDE) (T-1419) EXT'G TANK DISPLACED HEIGHT CAPACITY DISPLACED BY EACH EXT'G TANK

Dt = Ht1 = Hb2 - Hf = Vt4 =

7.555 m 1.10 m 49.31 m3

EXT'G TANK DIAMETER (OUTSIDE) (T-1417) EXT'G TANK DISPLACED HEIGHT CAPACITY DISPLACED BY EACH EXT'G TANK

Dt = Ht1 = Hb2 - Hf = Vt5 =

3.9 m 1.10 m 13.14 m3

Vt = Vt2 + Vt3 +Vt4 + Vt5 =

442 m3

ASSUME ONE NO. OF LARGEST DIA. TANK FAIL, GROSS CAPACITY DISPLACED BY TANK

DOC. NO.

63-INQ09-036-DC-03

DESIGN SHEET 3

SHEET NO.

. T0802

iii) FOUNDATION DISPLACEMENTS ASSUME ALL TANK FOUNDATION HEIGHT Hf = 0.3 m BY ASSUMING ALL TANK FOUNDATION OFFECT 500 MM FROM TANK OUTSIDE DIA. CAPACITY DISPLACED BY NEW TANK (T-1420 & T-1421) Vf1 = 51.61 m3 CAPACITY DISPLACED BY EXT'G TANK (T-1414 & T-1418) Vf2 = 10.58 m3/TANK CAPACITY DISPLACED BY EXT'G TANK (T-1415 & T-1416) Vf3 = 26.47 m3/TANK CAPACITY DISPLACED BY EXT'G TANK (T-1419) Vf4 = 17.24 m3 CAPACITY DISPLACED BY EXT'G TANK (T-1417) Vf5 = 5.66 m3 GROSS CAPACITY DISPLACED BY FOUNDATION Vf = Vf1+ Vf2+ Vf3+Vf4+Vf5= Vp =

50 m3

Vd = Vt+ Vf + Vp =

693 m3

Vn = Vg - Vd =

1,909 m3

Vtank =

1,944 m3

Vfire =

150 m3

ASSUME GROSS CAPACITY OF DISPLACED BY PUMP, PIPERACK STUMP, PIPING & OTHER ACCESSORIES APPROX. iv) TOTAL DISPLACED CAPACITY NET CAPACITY WITHIN BUNDWALL B

200 m3

NET CAPACITY DURING ONE TANK FAILURE THE LARGEST TANK CAPACITY D= H=

13.8 m 13 m

FIRE WATER CAPACITY DURING ONE TANK ON FIRE (APPROXIMATE CAPACITY DURING 30 MIN. FIRE) NET CAPACITY DURING ONE TANK FAILURE

Vmax = Vtank + Vfire =

C

CONTAINMENT CAPACITY CHECK Vn ---------Vmax SINCE 1.4

=

1,909 ---------2,094

=

0.91 < 1, NO GOOD

Vn < Vmax NO GOOD m NEW BUND WALL HEIGHT IS NOT SUFFICIENT

2,094 m3