BAB IVSPESIFIKASI ALAT

Spesifikasi alat adalah kumpulan data-data teknik tentang suatu alat produksi yang berfungsi sebagai suatu pedoman bagi para operator dan supervisor bagian produksi agar dapat memoperasikan prosds produksi dengan efektif dan efisien, juga tidak menutup kemungkinan digunakan oleh pihak-pihak lain diluar bagian produksi untuk keperluan tertentu. Berikut ini adalah spesifikasi alat di pabrik ammonia Departemen Produksi I PT Petrokimia Gresik.

IV.1 Spesifikasi Alat Utama1. KO-Drum (144-F)Fungsi: Memisahkan fraksi berat dan ringan dari bahan baku gas alam Tipe: Vertical DrumJumlah: 1Panjang: 2250 mmDiameter: 1200 mmMaterial: SA-516-70 / Carbon SteelBerat: 1754 kgDesign Pressure: 21,1 kg/cm.gDesign Temperature: min. 19 C/ max. 150 CWorking Pressure: 18,3 kg/cm2.gWorking Temperature: 15,6 CCorrosion allowance: 3 mm

2. Desulfuriser (108-DA/DB)Fungsi: Menghilangkan unsur S dan gas H2S Tipe: Vertical vessel packed bedJumlah: 2 buahPanjang: 11000 mmDiameter dalam (ID): 2600 mmDesign Pressure (internal): 52,7 kg/cm.gDesign Temperature: 427 C/ 0 C (max/min)Working Pressure: 43,27 kg/cm2.gWorking Temperature: 399 CClean pressure drop throughInternal: 0,12 kg/cm2Corrosion allowance: 3mmIsian:a. Katalis Co-Mo (Cobalt-Molybden) Volume: 4,25 m3 Density: 750 kg/m3b. Katalis Zn-O (Zinc Oxide) Volume: 35,4 m3 Density: 1200 kg/m3

3. Primary Reformer Furnace (101-B)Fungsi: Mereaksikan gas alam dan steam membentuk CO & H2Tipe: vertical tube radiant with offset convectionJumlah : 1 buahRadian Reformera. Number of parallel stream: 224b. Pressure drop: 3,4 kg/cm2c. Average radiant rate: 58240 kcal/hr.m2d. Flowrate: 120405 kg/hre. Intelent conditions Temperature: 621 C Pressure : 39,6 kg/cm2.g Vapour flow: 120405 kg/hr Vapour MW: 18,36f. Outlet conditions Temperature: 810 C Pressure : 36,2 kg/cm2.g Vapour flow: 120405 kg/hr Vapour MW: 14,10Stack a. Material: Carbon Steelb. Minimum thickness: 6mmc. Insdie metal diameter: 4000 mmd. Height above grade: 40 me. Lining Material: Insul Cast ASTM class-O Thickness: 40 mm Type of material : Chain Link Fencing Extent of lining: 20

4. Secondary Reformer (103-D)Fungsi: mereaksikan CO dan steam menjadi CO2 pada suhu tinggiTipe: Jacket VesselJumlah : 1Material vessel: SA-516-70-NPanjang: 25660 mmDiameterVesselJacketDesign pressure (kg/cm2): 39,7 atmosphericDesign temperature (C): min 19/ max 205 110Corrosion allowable: 3 noneRadiograph : Full RT 1 noneStress relieving required: yes noneStamped: yes U noneCode: ASME VIII-1 1989, A90

5. Shift Converter (104-D)Fungsi: Mereaksikan Co dan steam menjadi Co2 pada suhu tinggiTipe: verticalJumlah: 2Overall weight: 190000 kgOverall length: 22145 mmDiameter: 4835 mm

High Temperature Shift Converter (104-D1)Fungsi: mereaksikan Co dan steam menjadi CO2 pada suhu tinggiTipe: verticalCode: ASME SECT,VIII DIV,1 1983 ED LAT ACDD, 1990Design Pressure: 39,70 kg/cm2.gDesign Temperature: 454 CStress relief: yesRadiograph test: 100 %Max allowable working pressure: 40,24 kg/cm2.gTest pressure: 64,38 kg/cm2g

Low Teperature Shift Converter (104-D2)Fungsi: mereaskikan CO dan steam menjadi CO2 pada suhu rendahTipe: verticalCode: ASME SECT,VIII DIV,1 1989 ED LAT ADDD 1990Design Pressure: 39,70 kg/cm2.gDesign Temperature: 245CStress relief: yesRadiograph test: 100 %Max. allowable working pressure : 39,78 kg/cm2.gTest pressure: 65,8 kg/cm2.g

6. Separator Drum (102-F)Tipe: verticalJumlah: 2Fire proofing: 110Wind pressure: 110 kg/m2Earth quake factor: 0,105Insulation (hot/cold): 38

Raw Gas Separator (102-F1)Fungsi: Memisahkan air dari campuran gasPanjang: 4800 mmDiameter: 2300 mmMaterial: SA 516-70 with 2 mm TMS (Shell) SA-240-TP DEAL CLADDING (head)Design Pressure: 36,2 kg/cm2.gDesign Temperature: max. 150 C/ min 19 CWorking Pressure: 32 kg/cm2.gWorking Temperature: 93,3 CCorrosion allowance: 2 mmDiameter: 2300 mm

CO2 Absorber Overhead KO Drum (102-F2)Fungsi: memisahkan air dari campuran gasPanjang: 2250 mmDiameter: 1700 mmMaterial: SA-516-70Design Pressure: 36,2 kg/cm2.gDesign Temperature:max 150C/ min 19CWorking Pressure: 31,6 kg/cm2.gWorking Temperature: 70 CCorrosion allowance: 3 mmDiameter: 1700 mm

7. CO2 Absoreber (101-E)Fungsi : Memisahkan CO2 dari sintesis gas dengan larutan BenfieldTipe: Packed TowerJumlah: 1Material: SA 516-70Packing: SS Ring, CS RingBed: 3Panjang: 39000 mmDiameter : 2100 mm (upper section/ 3700 mm ( bottom section)Berat: 182000 kgLiquid Hold up: 0,25 m3/m3DesignPressure internal: 36,20 kg/cm2.gDesign Temperature: min 19 C/ max 150 CWorking Pressure: 32 kg/cm2.gWorking Temperature: 116 CPressure Drop through internal: 0,1 kg/cm2

8. CO2 stripper (102-E)Fungsi: Melepaskan CO2 dari larutan Tipe: Packed TowerJumlah: 1Material: A-240T.304LPacking: SS Ring, CS RingBed: 4Panjang: 5950 mmDiameter: 4600 mm (upper section)/ 2300 mm (bottom section)Berat: 180000 kgDesign Pressure Internal: 1,76 kg/cm2.gDesign Temperature: min 19 C/max 150 CWorking Pressure: 1,01 kg/cm2.gWorking Temperature: 128 CPressure drop through internal : 0,1 kg/cm2 9. Methanator (106-D)Fungsi: Mereaksikan sisa CO dan CO2 menjadi CH4Tipe: vertikel VesselJumlah: 1Panjang: 4050 mmDiameter: 3500 mmDesign Pressure: 36,21 kg/cm2.gDesign Temperature: min 19 C/ max 454 CWorking Pressure: 31,2 kg/cm2.gWorking Temperature: 345 C (normal)/454 C (hotspot)Pressure drop: 0,20 kg/cm2.gCorrosion allowance: 1,5 mmIsian: Katalis Nikel

10. Molecular Sieve Drier (109-DA/DB)Fungsi: menyerap air dan gas-gas lain yang tidak diinginkanTipe: vertical VesselJumlah : 2Panjang: 10855 mmBerat: 60000 kgDesign Pressure: 112 kg/cm2.gDesign Temperature: min 0 C/ max 305 CStress Relief: yesRadiography test : 100 %Max allowable working pressure : 171 kg/cm2.g

11. Ammonia Converter (105-D)Fungsi: Mereaksikan H2 dan N2 menjadi NH3Tipe: HorizontalJumlah: 1Diameter: 2800 mmBerat: 364500 kgMaterial: SA-302-BWorking Pressure: 177,96 kg/cm2.gWorking Temperature: 232 CInsulation thickness: 50 mmIsiana. Katalis Prereduced Prom.Iron Volume: 25,67 m3 Density: 2190 kg/m3b. Katalis Prom Iron Nonreduced Volume: 51,34 m3 Density: 2190 kg/m3

12. Ammonia Refrigerant/Chiller (120-C)Fungsi: mengkondensasikan NH3 sehingga terpisah dari gas. Sisa gas direcycle ke compressorTipe: khusus (shell and tube)Jumlah: 1Material: SA-516-70.N (Shell)/ SA-334-GR6 (Tube)Dimensi (ID Length): 1270 x 18200 mm annulus (shell x tube) 1250 x 20720 mm inner (shell x tube)Berat : 117555 kgThickness: 5 mma. Ammonia Unitized Chiller 1st Dimensi: 3500 mm x 1575 mm EFF (shell-tube) Surface area: 1153 m2b. Ammonia Unitized Chiller 2nd Dimensi: 3500 mm x 4499 mm EFF (shell-tube) Surface area: 329,4 m2c. Ammonia Unitized Chiller 3rd Dimensi: 3500 mm x 4900 mm EFF (shell-tube) Surface area: 359,7 m2d. Ammonia Unitized Chiller 4rd Dimensi: 3500 mm x 6470 mm EFF (shell-tube) Surface area: 473,7 m2

13. Low Pressure Ammonia Scrubber (103-E)Fungsi: Memisahkan NH3 dari gas H2 pada tekanan rendahTipe: Packed TowerJumlah : 1Panjang: 16800 mmID/OD:254,51 mm/273 mmMaterial: SA-106-GRB/SA-234-WPSPacking: 16 mm SS RingBed: 4Berat: 3907,32 kgDesign Pressure: 12,1 kg/cm2.gDesign Temperature: min -25 C/max 150 CWorking Pressure: 7,41 kg/cm2.gWorking Temperature: -19,8-56,7 CLiquid Hold-up: 0,25 m3/m3Hydrostatic test Pressure: 29,79 kg/cm2.gPostwell Heat Treatment: NoRadiograph: Spot (RT-3)Joint Efficiency: 0,85 (circ)Corrosion allowance: 3 mmWind Pressure: 120 km/hr (basic wind)Earth quake factor: 0,105

14. High Pressure Ammonia Scrubber (104-E)Fungsi: Memisahkan NH3 dari gas H2 pada tekanan tinggiTipe: Packed TowerJumlah: 1Panjang: 13702,7 mmID/OD: 451 mm/533,4 mmMaterial: SA-516-70/SA-234-WPCPacking: 25 mm SS RingBed: 3Berat: 17050 kgDesign Pressure: 188 kg/cm2.gDesign Temperature: min 19 C/max 150 CWorking Pressure: 167,67 kg/cm2.gWorking Temperature: 46 CLiquid Hold-up: 0,25 m3/m3Hydrostatic test Pressure: 309,7 kg/cm2.gPostwell Heat Treatment: yesRadiograph: fullJoint Efficiency: 1Corrosion allowance: 3 mmWind Pressure: 120 km/hr (basic wind)Earth quake factor: 0,105Insulation (hot/cold): 38 mm

15. Ammonia Stripper (105-E)Fungsi: Memisahkan NH3 dari larutan penyerapTipe: packed towerJumlah: 1Panjang: 20800mmDiameter : 336,56 mmMaterial: SA-106-GRB/SA-234-WPBPacking: 25 mm SS RingBed: 3Berat: 3245 kgDesign Pressure: 18,6 kg/cm2.gDesign Temperature: min 19 C/ max 245 CWorking Pressure:16,57 kg/cm2.gWorking Temperature: 227 CLiquid Hold-up: 0,25 m3/m3Hydrostatic test Pressure: 75,26 kg/cm2.gCorrosion allowance: 3 mmWind Pressure: 120 km/hr (basic wind)Earth quake factor: 0,105Insulation (hot/cold): 38 mm

IV.2. Spesifikasi Alat Pendukung1. Air Compressor (101-J)Fungsi : Menaikkan tekanan udara yang digunakan untuk proses reaksi di secondary reformerTipe: Centrifugal, W/ Horizontal, casing splitBerat: 62.000 kgRated flow: 68142 kg/hrStage: 3Operating Pressure:0,99 kg/cm2.A (suction) 38,9 kg/cm2.A (discharge)1st Stage: 0,99 kg/cm2..A (suction) 10,57 kg/cm2.A (discharge)2nd Stage: 10,5 kg/cm2.A (suction) 16,36 kg/cm2.A (discharge)3rd Stage: 16,26 kg/cm2.A (suction) 38,9 kg/cm2.A (discharge)Material Casing/impeller: A-131-GR.B/ alloy steel (LP case) A-216-GR.WCB/ alloy steel (HP case)Driver (101-JT)a. Tipe: Steam turbine/ non-condensingb. Capacity: 9650 kw (rated)/8730 kw (normal)c. Speed: 7220 rpmd. Steam rate: 15,52 kg/ 5,25 kwhe. Steam condition Inlet Pressure: 123 kg/cm2.g Inlet Temperature: 510 C Exhaust / Ext Pres.: 76 mmHg.A/ 101 kg/cm2.g Exhaust Temp. : 120 C Space requirement: 3,2 x 3,4 x 3,2 m (L x W x H)

2. Feed Gas Compressor (102-J)Fungsi: Menaikkan tekanan bahan baku gas alamTipe: Centrifugal, W/Horizontal, casing splitBerat: 6900 kgRated flow: 29070 kg/hrStage: 1Operating Pressure: 18,65 kg/cm2.A (suction) 45,54 kg/cm2.A (discharge)Material Casing/impeller: Steel ASTM A-106/Alloy Steel 4330Driver (102-JT)a. Tipe: Steam turbine/condensingb. Capacity : 1353 kw (rated)/1230 kw (normal)c. Speed : 12474 rpmd. Steam rate: 5,62 kg/kwhe. Steam condition Inlet Pressure: 42,2 kg/cm2.g Inlet Temperature: 375 C Exhaust/Ext Pres.: 76 mmHg.A/ 42,2 kg/cm2.g Exhaust Temp.: 46 C Space requirement: 2,5 x 2,3 x 2,5 m (L x W x H)

3. Synthesis Gas Compressor (103-J)Fungsi: Menaikkan tekanan gas-gas sebelum direaksikan di ammonia converter Tipe: Centrifugal, W/ vertical, casing splitBerat: 36900 kgStage: 3 (+ 1 recycle)Operating Pressure1st Stage: 31,51 kg/cm2.A (suction) 57,5 kg/cm2.A (discharge)Rated: 63475 kg/hr2nd Stage: 57,17 kg/cm2.A (suction) 101,65 kg/cm2.A (discharge)Rated: 62718 kg/hr3rd Stage: 100,73 kg/cm2.A (suction) 172,47 kg/cm2.A (discharge)Rated: 62551 kg/hrRecycle: 172,47 kg/cm2.A (suction) 179,46 kg/cm2.A (discharge)Rated: 259554 kg/hrMaterial Casing/impeller: FSASTM A-226 class 4/Alloy Steel 4330 (LP case) FSASTM A-266 class 4/Alloy Steel 4330 (HP case)Driver (103-JT)a. Tipe: Steam turbine/non-condensingb. Capacity: 15991 kw (rated)c. Speed: 10340 rpmd. Steam rate: 17,3 kg/4,83 kwhe. Steam condition Inlet Pressure: 123 kg/cm2.g Inlet Temperature: 510 C Exhaust / Ext Pres.: 76 mmHg.A Exhaust Temp.: 46 C Space requirement: 2,5 x 2,3 x 2,5 (L x W x H)

4. Ammonia Refrigerant Compressor (105-J)Fungsi: Menaikkan tekanan udara yang digunakan untuk proses reaksi di secondary reformerTipe: Centrifugal, W/ horizontal, casing splitBerat: 25000 kgStage: 4Operating Pressure1st Stage: 1,04 kg/cm2.A (suction) 2,74 kg/cm2.A (discharge)Rated: 8429 kg/hr2nd Stage: 2,73 kg/cm2.A (suction) 4,53 kg/cm2.A (discharge)Rated: 15274 kg/hr3rd Stage: 4,17 kg/cm2.A (suction): 7,34 kg/cm2.A (discharge)Rated: 31532 kg/hr4th Stage: 7,11 kg/cm2.A (suction) 15,26 kg/cm2.A (discharge)Rated: 52102 kg/hrMaterial Casing/ impeller: CSASTM A-352class4/ Alloy Steel 4330 (LP case) CSASTM A-216class4/ Alloy Steel 4330 (HP case)Drivera. Tipe: Steam turbineb. Capacity: 5114 kw (rated)/3929 kw (normal)5. Process Air Filter (101-JL1)Fungsi: Menyaring debu dan kotoran dari udaraTipe : Associated with 101-JL2 in line si len-cerJumlah : 1Material: Carbon steelBerat : 2200 kgFlowrate: 62500 m3/jam (normal)/63500 m3/jam (rate)Operating Temperature: 33 C (normal)/ 36 C (max)Particle size retained: > 5 mikronPressure drop: 0,04 kg/cm2

6. Semi Lean Benfield Solution Pump (107-JA)Tipe: Centrifugal/HorizontalJumlah: 1Material: API 610 class A-8Berat: 4800 kgKapasitas: 1164,6 m3/hr (normal)/1281 m3/hr (rate)Difference Pressure: 34,4 kg/cm2 (rate)Difference Head: 275,8 m (rate)Drivera. Tipe : Hydraulicb. capacity: -

7. Semi Lean Benfield Solution Pump (107-JB/JC)Tipe: Centrifugal/HorizontalJumlah: 2Material: API 610 class A-8Berat: 7600 kgKapasitas: 1164,6 m3/hr (normal)/1281 m3/hr (rate)Difference Pressure: 34,4 kg/cm2 (rate)Difference Head: 275,8 m (rate)Drivera. Tipe: Turbineb. Capacity: 582,3 kw (normal)/648,5 (rate)8. Lean Benfield Solution Pump (107-J/JA)Tipe: Centrifugal/HorizontalJumlah: 2Material: API 610 class A-8Berat: 5966 kgKapasitas:172,1 m3/hr (normal)/189,3 m3/hr (rate)Difference Pressure: 37,27 kg/cm2 (rate)Difference Head: 294,2 m (rate)Drivera. Tipe: Turbineb. Capacity: 249 kw (normal)/274 (rate)

9. CO2 Stripper Quench Pump (116-JA)Tipe: Centrifugal/HorizontalJumlah: 1Material: API 610 class A-8Berat: 1747 kgKapasitas:461 m3/hr (normal)/530 m3/hr (rate)Difference Pressure: 2,6 kg/cm2 (rate)Difference Head: 26,8 m (rate)Drivera. Tipe: Turbineb. Capacity: 44,25 kw (normal)/51,75 (rate)

10. CO2 Stripper Quench Pump (116-J)Tipe: Centrifugal/HorizontalJumlah: 1Material: API 610 class A-8Berat: 1747 kgKapasitas: 461 m3/hr (normal)/530 m3/hr (rate)Difference Pressure: 2,6 kg/cm2 (rate)Difference Head: 26,8 m (rate)Drivera. Tipe: Motorb. Capacity: 55 kw

11. Cold Ammonia Product Pump ( 124-JA)Tipe: Centrifugal/HorizontalJumlah: 1Material: API 610 class A-8Berat: 1145 kgKapasitas: 118,3 m3/hr (normal)/126,6 m3/hr (rate)Difference Pressure: 5,8 kg/cm2 (rate)Difference Head: 84,8 m (rate)Drivera. Tipe: Turbineb. Capacity: 28,2 kw (normal)/35,7 (rate)

12. Cold Ammonia Product Pump ( 124-J)Tipe: Centrifugal/HorizontalJumlah: 1Material: API 610 class A-8Berat: 833 kgKapasitas: 118,3 m3/hr (normal)/126,6 m3/hr (rate)Difference Pressure: 5,8 kg/cm2 (rate)Difference Head: 84,8 m (rate)Drivera. Tipe: Motorb. Capacity: 37 kw

13. Secondary Reformer Effluent WHB (101-C)Fungsi: Menghasilkan steam dengan memanfaatkan panas dari gas keluaran secondary reformerTipe: Khusus (w/o Water Jacket) / VertikalJumlah: 1Material: 1,25 Cr- 0,5 Mo KCS/SA-213-T11Berat: 80490 kgLuas perpan: 98,4 m2Design Pressure: 39,7 kg/cm2.g (S.S)/ 140,5 kg/cm2.g (T.S)Design Temperature: 427 C 260 C (S.S) /454 C (T.S)Tebal: 176 mm

14. Interchase Cooler (101-C)Fungsi:mendingkan udara hasil kompresi pada air compressorTipe: BFWJumlah: 1Material: Carbon SteelBerat: 17300 kgLuas perpan: 1580 m2Design Pressure: 12 kg/cm2.g (S.S)/ 10kg/cm2.g (T.S)Design Temperature: 240 C (S.S) /70 C (T.S)

15. High Pressure Steam Pressure (102-C)Fungsi: Menghasilkan steam superheatedTipe: Khusus (w/o water jacket)Jumlah: 1Material: 1,25 Cr- 0,5 Mo KCSBerat: 66000 kgLuas perpan: 330,5 m2Design Pressure: 39,7 kg/cm2.g (S.S)/ 137,1 kg/cm2.g (T.S)Design Temperature: 427 C 260 C (S.S) /649 C (T.S)Tebal: 178 mm/64 mm

16. CO2 Stripper Quench Cooler (107-C)Tipe: Plate & FrameJumlah: 1Material: 316 SS (Plate)Berat: 7500 kgDesign Pressure: 7 kg/cm2.g (S.S)/ 10,5 kg/cm2.g (T.S)Design Temperature: 132 C/ -12 C (S.S) / / 132 C/ -12 C (T.S)Tebal: 5 mm

17. Raw Gas Separator Cooler (108-C)Fungsi: Menghasilkan steam dengan memanfaatkan panas dari gas keluaran secondary reformerTipe: Shell ang TubeJumlah: 1Material: 1,25 Cr- 0,5 MKCS/ SA-213-T11Berat: 5280 kgfLuas perpan: 97,4 m2Fluid: Process condensate (Shell and tube side)Design Pressure: 36,2 kg/cm2.g (S.S)/ 7 kg/cm2.g (T.S)Design Temperature: 150 C - 12C (S.S) /100 C - 12C (T.S)Working Pressure: 32,1 kg/cm2.g (S.S)/ - kg/cm2.g (T.S)Working Temperature: 93,3 C 70 C (S.S) /54,5 C 33,5 C (T.S)Tebal tube: 1,6 mmOD tube: 19,05 mmPitch of tubes : 23,81mmNo. of tubes side flows: 6No. of pass per shell: 618. Refrigerant Receiver (109-F)Fungsi: Menampung refrigerant NH3Tipe: HorizontalPanjang: 10363 mmDiameter: 1676 mmMaterial: KCS (shell)/ SA-516-SS, DA-283C (tube) Berat: 56700 kgDesign Pressure: 137,1 kg/cm2.g Design Temperature: min 19 C /max 343 C Working Pressure: 126,5 kg/cm2.g Working Temperature: 327,9 CCorrosion allowance: 3 mm

19. Steam Drum (101-F)Fungsi: Menampung BFW kemudian dialirkan menuju WHB (101-C)Tipe: HorizontalPanjang: 4800 mmDiameter: 1550 mmMaterial: SA-516-70 (Shell)/ SA-106-b (tube) Berat: 56700 kgDesign Pressure: 17,6 kg/cm2.g Design Temperature: min -18 C /max 90 C Working Pressure: 14,12 kg/cm2.g Working Temperature: ambient to 93 CCorrosion allowance: 1,5 mm Basic wind velocity: 120 km/hr (ANSI-A58)Earth quake factor: 0,15

20. Semi Lean Solution Flas Tank (132-F)Fungsi: Menampung larutan semi lean dari stripper CO2Tipe: HorizontalPanjang: 11600 mmDiameter: 4000 mmMaterial: SA-516-SS/ SA-2585C (shell) // CS (internal)Berat: 38580 kgDesign Pressure: 5,27 kg/cm2.g Design Temperature: min 19 C /max 150 C Working Pressure: 0,83-0,39 kg/cm2.g Working Temperature: 120-112 CCorrosion allowance: 6 mm

21. CO2 Feed Flash Drum (132-F)Fungsi: Menampung larutan penyerap (Benfield) dari CO2 Absorber dan memisahkan gas-gas yang tidak diinginkan terlarutTipe: HorizontalPanjang: 7100 mmDiameter: 2200 mmMaterial: SA-516-70 (Shell)/ SA-106-B (tube)Berat: 27100 kgDesign Pressure: 38,3 kg/cm2.g Design Temperature: min 19 C /max 150 C Working Pressure: 7,41-15,13 kg/cm2.g Working Temperature: 115 CCorrosion allowance: 6 mm Basic wind velocity: 102 km/m2 Earth quake factor: 0,105