No. Mark Short Name Long Name1 DSW Self Wt Ringwall Selfweight2 DSA Str. Wt Structure Weight excluding Selfweight3 LL Live Load Live Load 4 EQE EQ Erection Tank Load for Erection5 EQO EQ Operation Tank Contant Load6 EQT EQ Test Tand Hydrotest Load7 W Wind Wind Load 8 EQ Seismic Seismic Load 9 IPO Internal-Op Internal Pressure - Operating

10 IPT Internal-Test Internal Pressure - Test11 FSL Surge Load Fluid Surge Load

Unfactored Load ItemIncrease in Soil

Factored Load ItemBearing Capacity1 701 A1-1 1.00 2.00 1.50 Erection + Wind 101 A1-1 Erection + Wind2 702 A1-2 1.00 2.00 1.50 102 A1-23 703 A2-1 1.00 2.00 1.50 Erection + Earthquake 103 A2-1 Erection + Earthquake4 704 A2-2 1.00 2.00 1.50 104 A2-25 705 B1-1 1.25 2.00 1.50 Operating w/o Wind 105 B1-1 Operating w/o Wind6 706 B1-2 1.25 2.00 1.50 106 B1-27 707 B2-1 1.25 2.00 1.50 Operating + Wind 107 B2-1 Operating + Wind8 708 B2-2 1.25 2.00 1.50 108 B2-29 709 B2-3 1.25 2.00 1.50 109 B2-3

10 710 B2-4 1.25 2.00 1.50 110 B2-411 711 B3-1 1.25 2.00 1.50 Operating + Earthquake 111 B3-1 Operating + Earthquake12 712 B3-2 1.25 2.00 1.50 112 B3-213 713 B3-3 1.25 2.00 1.50 113 B3-314 714 B3-4 1.25 2.00 1.50 114 B3-415 715 C1-1 1.25 2.00 1.50 Test w/o Wind 115 C1-1 Test w/o Wind16 716 C1-2 1.25 2.00 1.50 116 C1-217 717 C2-1 1.25 2.00 1.50 Test + Wind 117 C2-1 Test + Wind18 718 C2-2 1.25 2.00 1.50 118 C2-219 719 C2-3 1.25 2.00 1.50 119 C2-320 720 C2-4 1.25 2.00 1.50 120 C2-4

Combination Load for Unfactored Load701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20A1-1 A1-2 A2-1 A2-2 B1-1 B1-2 B2-1 B2-2 B2-3 B2-4 B3-1 B3-2 B3-3 B3-4 C1-1 C1-2 C2-1 C2-2 C2-3 C2-4

1 DSW Self Wt 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 12 DSA Str. Wt 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 13 LL Live Load 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 14 EQE EQ Erection 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 15 EQO EQ Operation 0.000 0.000 0.000 0.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 0.000 0.000 0.000 0.000 0.000 0.0006 EQT EQ Test 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 17 W Wind 1 -1 0 0 0 0 1 -1 1 -1 0 0 0 0 0 0 1 1 1 18 EQ Seismic 0 0 1 -1 0 0 0 0 0 0 1 -1 1 -1 0 0 0 0 0 09 IPO Internal-Op 0 0 0 0 1 0 1 1 0 0 1 1 0 0 1 0 1 1 0 0

10 IPT Internal-Test 0 0 0 0 0 1 0 0 1 1 0 0 1 1 0 1 0 0 1 111 FSL Surge Load 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0

Factor of Safety (Overturning)

Factor of Safety (Sliding)

Combination Load for Factored Load101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20A1-1 A1-2 A2-1 A2-2 B1-1 B1-2 B2-1 B2-2 B2-3 B2-4 B3-1 B3-2 B3-3 B3-4 C1-1 C1-2 C2-1 C2-2 C2-3 C2-4

a 1 DSW Self Wt 1.5 1.5 1.5 1.5 1.5 1.5 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2a 2 DSA Str. Wt 1.5 1.5 1.5 1.5 1.5 1.5 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2b 3 LL Live Load 0 0 0 0 1.5 1.5 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2a 4 EQE EQ Erection 1.5 1.5 1.5 1.5 1.5 1.5 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2c 5 EQO EQ Operation 0 0 0 0 1.5 1.5 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 0 0 0 0 0 0d 6 EQT EQ Test 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1.2 1.2 1.2 1.2 1.2 1f 7 W Wind 1.5 -1.5 0 0 0 0 1.2 -1.2 1.2 -1.2 0 0 0 0 0 0 1.2 -1.2 1.2 -1.2g 8 EQ Seismic 0 0 1.5 -1.5 0 0 0 0 0 0 1.2 -1.2 1.2 -1.2 0 0 0 0 0 0n 9 IPO Internal-Op 0 0 0 0 1.5 0 1.2 1.2 0 0 1.2 1.2 0 0 1.2 0 1.2 1.2 0 0n 10 IPT Internal-Test 0 0 0 0 0 1.5 0 0 1 1 0 0 1.2 1.2 0 1.2 0 0 1.2 1.2o 11 FSL Surge Load 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

CALCULATION

Page 3

4.1- LOADING DATA

- Dead Load, Shell, Roof, & Ext.Structure Loads 14.37 kN/m

- Live Load 2.89 kN/m

- Uniform Load, Operating Condition 112.89

- Uniform Load, Hydrotest Load 123.93

- Base Shear due to Wind 80.71 kN

- Reaction due to Wind 2.09 kN/m

- Moment Due to Wind 533.15 kN-m

- Base Shear due to Seismic Load 807.26 kN

- Reaction due to Seismic Load 17.16 kN/m

- Moment Due to Seismic Load 4492.39 kN-m

: DL

: LL

: WO kN/m2

: Wh kN/m2

: FW

: RW

: MW

: FS

: RS

: MS

FOUNDATION LOADING

WEIGHT SUMMARY

DESIGN OF RING WALL ANNULAR RAFTMaterialsGrade of Concrete 25 N/sq.mmGrade of Steel 415 N/sq.mmSize of Ring WallWidth of Ring Wall 0.65 mCentral Diameter of Ring Wall, C 3.12 mDepth of Ring Wall above FGL 0.60 mDepth of Foundation above raft 2.00 mDepth of Raft 0.40 mSafe bearing capacity 100 kN/sq.mUnitweight of Soil 18 kNEmpty Weight of Tank 39 kNOperating Weight 234 kNWind moment 12.5 kNmSeismic Moment 55 kNmShear at Base Due to Wind 8 kNShear at Base Due to Seismic 32 kNArea of Ring Wall 6.38Weight of Ring Wall above Raft 398.112 kNWieght of soil above Raft 264.60 kNTotal Vertical Load on Raft 896.71 kNTotal Moment due to wind at Raft 30.1 kNmTotal Moment due to earthquake at Raft 125.4 kNmWidth of Raft 1.4 mExternal Diameter of Raft, D1 4.522 mInternal Dia meter of Raft, D2 1.722 mWeight of Ring WallCheck for Bearing PressureArea of Raft 13.73 sq.mSection Modulus of Raft 8.89 cu.mMax Bearing Pressure under the RaftP/A+M/S 82.8 kN/sq.mIncreaseing SBC @ 25% 125 kN/sq.mPact<1.25SBC,Hence SafeDesign MomentsModified uniform pressurep = p1+0.5p2 74.06 kN/sq.mOuter Radius of Raft, a 2.261 mInner Radius of Raft, b 0.861 mCentral Radius of Raft, c 1.561 mAs per clause no. 5.1.2 of IS :11089-1984At radius, r = 0.861m (Inner Face of Raft)pa^2/16 23.6627 kN

0.14501

1.000

0.145

b2/a2

b2/r2

r2/a2

0.477Mt -82.717 kNmMr 59.259 kNmAt radius, r = 2.261m (Outer Face of Raft)pa^2/16 23.6627

0.14501

0.145c/r 0.690Mt -61.143 kNmMr 92.5686 kNmMaximum Moments for DesignMt 82.7173 kNmMr 92.5686 kNmCheck for Effective Depth

141.017 mm

350 mmReinforcement CalculationCircumferential Reinforcement

0.482

Area of steel Required 654.771 Check Min SteelProvided diameter of Steel 12 mm

Min Area of Steel 420Spacing of Reinforcement Required 170 mmRadial Reinforcement

0.75566

Area of steel Required 743.163 Check Min Steel

Min Area of Steel 420Provided diameter of Steel 12 mmSpacing of Reinforcement Required 150 mmProvide 12mm diameter bars @170mm C/C circumferentiallyProvide 12mm diameter bars @150mm C/C radially

c2/a2

b2/a2

c2/r2

Required effective depth, dr

Provided effective depth, dp

Mu/bd2 N/mm2

mm2

mm2/ m width

Mu/bd2 N/mm2

mm2

mm2/ m width