DOC. NO. 63-A703-DC-001

DESIGN SHEET

SHEET NO. 1

FOR DESIGN CALCULATION FOR BUNDWALL HEIGHT

FOR PIT."A"

CLIENT / OWNER VOPAK TERMINAL SINGAPORE PTE LTD

PROJECT TITLE 65,000 CBM PENJURU PHASE II EXPANSION PROJECT

AT PENJURU TERMINAL

LOCATION SINGAPORE

Rev. No. Date Description Approved Checked Made

By By By

< A > 07/6/2008 FOR APPROVAL LKM HQ ZMT

< 0 > 20/8/2008 FOR CONSTRUCTION LKM HQ ZMT

< 1 > 4/12/2009 AS-BUILT LKM HQ ZMT

REVISION STATUS

OVERSEAS TECHNICAL ENGINEERING AND CONSTRUCTION PTE LTD

2 .

DOC. NO. 63-A703-DC-001

DESIGN SHEET

SHEET NO.

T0811

CONTAINMENT CAPACITY WITHIN BUNDWALL COMPOUND CHECK

TANK FARM NO. PIT "E"

A NET CAPACITY WITHIN BUNDWALL

i) GROSS CONTAINMENT CAPACITY

WIDTH OF BUNDWALL (INSIDE DIMENSION) W = 53.50 m

LENGTH OF BUNDWALL (INSIDE DIMENSION) L = 69.95 m

MIN HEIGHT OF THE BUNDWALL Hb1 = 1.3 m

SLOPE OF SLAB = 1:250

MAX. HEIGHT OF THE BUNDWALL Hb2 = 1.514 m

GROSS CONTAINMENT CAPACITY Vg = 1/2 * (Hb1+Hb2) * W * L = 5,265 m3

ii) TANK AND FOUNDATION & ACCESSORIES DISPLACEMENTS

TANK DIAMETER (OUTSIDE) Dt = 15.00 m

TANK DISPLACED HEIGHT Ht = Hb2 - Hf = 0.814 m

CAPACITY DISPLACED BY ONE TANK V = 143.85 m3

TOTAL NO. OF TANKS N = 6 nos.

ASSUME ONE NO. OF NEW TANK FAIL,

TOTAL NO. OF TANKS CONSIDERED Nc = N - 1 = 5 nos.

GROSS CAPACITY DISPLACED BY TANKS Vt = V * N = 719 m3

TANK FOUNDATION DIAMETER (OUTSIDE) Df = 15.55 m

TANK FOUNDATION HEIGHT Hf = 0.7 m

CAPACITY DISPLACED BY ONE FOUNDATION V = 132.94 m3

TOTAL NO. OF TANKS CONSIDERED N = 6 nos.

GROSS CAPACITY OF DISPLACED BY FOUNDATION Vf = 798 m3

ASSUME GROSS CAPACITY OF DISPLACED BY PUMP, PIPERACK Vp = 150 m3

STUMP, PIPING & OTHER ACCESSORIES APPROX.

iii) TOTAL DISPLACED CAPACITY Vd = Vt + Vf + Vp = 1,667 m3

NET CAPACITY WITHIN BUNDWALL Vn = Vg - Vd = 3,599 m3

B NET CAPACITY DURING ONE TANK FAILURE

THE LARGEST TANK CAPACITY

D = 14.98 m Vtank = 2,802 m3

H = 15.9 m

FIRE WATER CAPACITY DURING ONE TANK ON FIRE Vfire = 450 m3

(APPROXIMATE CAPACITY DURING 30 MIN. FIRE)

NET CAPACITY DURING ONE TANK FAILURE Vmax = Vtank + Vfire

= 3,252 m3

3 .

DOC. NO. 63-A703-DC-001

DESIGN SHEET

SHEET NO.

T0811

C CONTAINMENT CAPACITY CHECK

Vn 3,599

---------- = ---------- = 1.11 > 1.1, OK

Vmax 3,252

SINCE Vn > Vmax THEREFORE CONTAINMENT CAPACITY IS ADEQUATE AND MINIMUM

1.3 m BUND WALL HEIGHT IS SUFFICIENT.

2 .

DOC. NO. 63-A703-DC-001

DESIGN SHEET

SHEET NO.

T0811

CONTAINMENT CAPACITY WITHIN BUNDWALL COMPOUND CHECK

TANK FARM NO. PIT "F"

A NET CAPACITY WITHIN BUNDWALL

i) GROSS CONTAINMENT CAPACITY

WIDTH OF BUNDWALL (INSIDE DIMENSION) W = 45.99 m

LENGTH OF BUNDWALL (INSIDE DIMENSION) L = 62.39 m

MIN HEIGHT OF THE BUNDWALL Hb1 = 1.3 m

SLOPE OF SLAB = 1:250

MAX. HEIGHT OF THE BUNDWALL Hb2 = 1.484 m

GROSS CONTAINMENT CAPACITY Vg = 1/2 * (Hb1+Hb2) * W * L = 3,994 m3

ii) TANK AND FOUNDATION & ACCESSORIES DISPLACEMENTS

TANK DIAMETER (OUTSIDE) Dt = 13.6 m

TANK DISPLACED HEIGHT Ht = Hb2 - Hf = 0.784 m

CAPACITY DISPLACED BY ONE TANK V = 113.88 m3

TOTAL NO. OF TANKS N = 6 nos.

ASSUME ONE NO. OF NEW TANK FAIL,

TOTAL NO. OF TANKS CONSIDERED Nc = N - 1 = 5 nos.

GROSS CAPACITY DISPLACED BY TANKS Vt = V * N = 569 m3

TANK FOUNDATION DIAMETER (OUTSIDE) Df = 17.5 m

TANK FOUNDATION HEIGHT Hf = 0.7 m

CAPACITY DISPLACED BY ONE FOUNDATION V = 168.37 m3

TOTAL NO. OF TANKS CONSIDERED N = 6 nos.

GROSS CAPACITY OF DISPLACED BY FOUNDATION Vf = 1,010 m3

ASSUME GROSS CAPACITY OF DISPLACED BY PUMP, PIPERACK Vp = 110 m3

STUMP, PIPING & OTHER ACCESSORIES APPROX.

iii) TOTAL DISPLACED CAPACITY Vd = Vt + Vf + Vp = 1,690 m3

NET CAPACITY WITHIN BUNDWALL Vn = Vg - Vd = 2,304 m3

B NET CAPACITY DURING ONE TANK FAILURE

THE LARGEST TANK CAPACITY

D = 13.60 m Vtank = 1,742 m3

H = 11.99 m

FIRE WATER CAPACITY DURING ONE TANK ON FIRE Vfire = 340 m3

(APPROXIMATE CAPACITY DURING 30 MIN. FIRE)

NET CAPACITY DURING ONE TANK FAILURE Vmax = Vtank + Vfire

= 2,082 m3

3 .

DOC. NO. 63-A703-DC-001

DESIGN SHEET

SHEET NO.

T0811

C CONTAINMENT CAPACITY CHECK

Vn 2,304

---------- = ---------- = 1.11 > 1.1, OK

Vmax 2,082

SINCE Vn > Vmax THEREFORE CONTAINMENT CAPACITY IS ADEQUATE AND MINIMUM

1.3 m BUND WALL HEIGHT IS SUFFICIENT.