DATA
EQUIPMENT
I.CELLAR DECKNo.DescriptionJumlahBerat (Kip)UkuranGRUP KERJA @
max 3 orang301Gas Cooler115.68OD 38'' x 20'-0''PEMBIMBINGJ. Soetomo
M.Sc.2Emergency generator120.1622'-0'' x 9'-0'' x 10'-11''Wisnu W,
Dr.3Battery box21.792'-3'' x 2'-3'' x 1'-9''Kriteria Umum:4Vertical
separators236.77OD 54'' x 8'-4''1Recommended PracticeAPI RP
2A-LRFD, AISC 9th 5Maintenance building144.8012'-3'' x 6'-4'' x
8'-0''2Material StrukturASTM6Switch gear17.845'-0'' x 2'-2'' x
8'-10''3Tipe PlatformWellhead & Production7Switch gear
building15.0426'-0'' x 24'-0'' x 14'-0''4Jumlah kaki jacket48Switch
gear building16.727'-0'' x 18'-0'' x 13'-6''5Kedalaman perairan
(LWL) (feet)99.59Diesel fuel tank158.2410'-0'' x 10'-0'' x
10'-0''6Orientasi Platform60(+) Degree10Toilet12.244'-0'' x 6'-0''
x 8'-0''7Desain life (year)2011Transformer-1192.0016'-6" x 12'-10''
x 12'-0''12Transformer-2112.009'-0'' x 5'-0'' x 6'-9''Kriteria
Desain Deck:15Vertical air receiver11.20OD 38'' x 6'-4''1Jumlah
deck:22Luasan Deck: (tentatif)II.MAIN DECKLuasan sub cellar
DeckNo.DescriptionJumlahBerat (Kip)UkuranLuasan Cellar deck6750
ft21Battery box21.792'-3'' x 2'-1" x 1'-9''Luasan Main deck8000
ft22Air compressor package13.365'-8'' x 3'-6'' x 6'-0''Luasan
Cooler deck-3Load break switch11.194'-6'' x 2'-5'' x 6'-5''3a.
Beban Hidup Area Deck Kondisi Operasi 4Container
room-1123.5234'-0'' x 10'-0'' x 20'-0'Sub cellar deck5Container
room-2123.5234'-0'' x 10'-0'' x 20'-0'Cellar deck135psf6Process
control room19.2416'-0'' x 14'-0'' x 12'-0''Main
deck140psf7Transformer319.2312'-6'' x 8'-0'' x 8'-0''Cooler
Deck-8Instrument storage15.608'-0'' x 6'-8'' x 6'-6''b. Beban Hidup
Area Deck Kondisi Badai 9Fresh water tank17.0911'-6'' x 8'-0'' x
10'-0''Sub cellar deck10Air receiver11.20OD 36'' x 75''Cellar
deck90psf11Ansul drum chemical skid12.479'-3'' x 5'-2'' x
4'-5''Main deck100psf12Mechanical storage17.848'-2'' x 8'-1'' x
8'-9''Cooler deck-13Life capsule12.694Jumlah crane214Communication
microwave15.3810'-4'' x 10'-0'' x 9'-10''5a. Beban Crane Kondisi
Operasi15Communication tower117.9210'-5'' x 10'-5'' x 100'-0''Beban
vertikal135,0 kips16Fuel tank113.445'-7'' x 4'-5'' x 4'-7''Beban
momen19500,0 kips-in17Power instrument storage14.448'-2'' x 8'-2''
x 9'-0''b. Beban Crane Kondisi Badai18Toilet12.245'-0'' x 4'-0'' x
8'-0''Beban vertikal65,5 kips19Flare bridge1Beban momen0,0
kips-in6Beban AnginKondisi Operasi45mphKondisi Badai75mph7Beban
Peralatan Dry (Perpipaan, dll)Main Deck35.00psfCellar
Deck25psfMezanine deckSub cellar deck8Helideck1TypeBoeingRulesAPI
RP 2L9Work over rig (WOR)Dead load Normal cond.285 kipsDead load
Extreem cond.285 kipsOperating Load Normal285 kipsOperating Extreem
Normal0 kips
GRUP KERJA @ 3 orang30Kriteria Desain Jacket1a. Beban Gelombang
& Arus Kondisi OperasiTinggi gelombang maximum
(significant)18.7ftPeriode gelombang7.5detTotal pasang
surut4.5ftKecepatan arus (permukaan)1.93knotKecepatan arus (dasar
laut)0.54knotb. Beban Gelombang & Arus Kondisi BadaiTinggi
gelombang maksimum30.5ftPeriode gelombang9.9detTotal pasang
surut4.6ftKecepatan arus (permukaan)2.47knotKecepatan arus (dasar
laut)0.69knotStorm surge1ft2Marine GrowthMenambah OD tubular
member3 inch3Corrotion AllowanceAPI RP 2A-LRFD4Hydrodynamic
CoefficientAPI RP 2A-LRFD5Shielding Effect CoefficientAPI RP
2A-LRFD6Blockage Factor API RP 2A-LRFD7Scouring Effect
Tollerance3ft8RiserJumlah6Diameter luar18 inchKetebalan0,75
inchconductorjumlah8diameter luar 18 inchWall Thickness0.75
inch10Data TanahA11Bater1 :8 XZ12Barge bumper1
LAY OUT
TITIK BERATCELLAR DECKNo.DescriptionJumlahBerat
(Kip)UkuranPANJANG (ft)LEBAR (ft)TINGGI (ft)A (ft2)W / A
(kip/ft2)XYZX*WY*WZ*W1Gas Cooler115.88OD 38" x 20' -
0"3.173.1720.0031.490.50-30.00-5.5010.00-476.40-87.34158.802Emergency
Generator120.1622'-0'' x 9'-0'' x
10'-11''22.009.0010.92198.000.10-11.00-23.755.46-221.76-478.80110.043Battery
Box11.792'-3" x 2'-3" x
1'-9"2.252.251.755.060.3512.00-23.750.8821.48-42.511.574Vertical
Separator138.77OD 54" x
8'-4"4.504.508.3363.590.61-30.00-11.504.17-1163.10-445.86161.545Maintenance
Building144.8012'-3" x 6'-4" x
8'-0"12.256.338.0077.580.5830.0011.004.001344.00492.80179.206Switch
Gear17.845'-0" x 2'-2" x
8'-10"5.002.178.8310.830.7223.00-11.004.42180.32-86.2434.637Switch
Gear Building16.727'-0" x 18'-0" x
13'-6"7.0018.0013.50126.000.0530.00-8.006.75201.60-53.7645.368Diesel
Fuel Tank158.2410'-0" x 10'-0" x
10'-0"10.0010.0010.00100.000.58-30.0010.005.00-1747.20582.40291.209Toilet12.244'-0"
x 6'-0" x
8'-0"4.006.008.0024.000.0920.0023.754.0044.8053.208.9610Transformer112.009'-0"
x 5'-0" x
6'-9"9.005.006.7545.000.2718.00-23.753.38216.00-285.0040.5011Vertical
Air Receiver11.20OD 38" x
6'-4"3.173.176.3310.030.12-30.00-17.503.17-36.00-21.003.80TOTAL209.64-1636.26-372.111035.59-7.81-1.774.94TITIK
BERAT (ft)jarak antara cellar deck danmain deck15.50Girder Acuan
=MAIN DECKNo.DescriptionJumlahBerat (Kip)UkuranPANJANG (ft)LEBAR
(ft)TINGGI (ft)A (ft2)W / A (kip/ft2)XYZX*WY*WZ*W1Battery
Box11.792'-3" x 2'-1" x
1'-9"2.252.011.754.520.4038.0018.0016.3868.0232.2229.312Air
Compressor Package13.365'-8" x 3'-6" x
6'-0"3.333.506.0011.670.29-15.0015.0021.50-50.4050.4072.243Load
Break Switch11.194'-6" x 2'-5" x
6'-5"4.502.426.4210.880.1141.0023.0018.7148.7927.3722.264Container
Room 123.5234'-0" x 10'-0" x
20'-0"34.0010.0020.00340.000.073.00-24.0025.5070.56-564.48599.765Process
Control Room19.2416'-0" x 14'-0" x
12'-0"16.0014.0012.00224.000.0430.006.0021.50277.2055.44198.666Transformer119.2312'-6"
x 8'-0" x
8''-0"12.508.008.00100.000.1920.0023.7519.50384.60456.71374.997Instrument
Storage15.608'-0" x 6'-8" x
6'-6"8.006.676.5053.330.1120.0014.7518.75112.0082.60105.008Fresh
Water Tank17.0911'-6" x 8'-0" x
10'-0"11.508.0010.0092.000.082.00-34.0020.5014.18-241.06145.359Air
Receiver11.20OD 36" x
75"3.003.006.259.000.13-15.009.0018.63-18.0010.8022.3510Ansul Drum
Chemical Skid12.479'-3" x 5'-2" x
4'-5"9.255.174.4247.790.05-15.0022.0017.71-37.0554.3443.7411Mechanical
Storage17.848'-2" x 8'-1" x
8'-9"8.178.088.7566.010.12-30.000.0019.88-235.200.00155.8212Life
Capsule API2.69API RP
2A-8.00-43.0017.50-21.52-115.6747.0813Communication
Microwave15.3810'-4" x 10'-0" x
9'-10"10.3310.009.83103.330.05-30.00-11.0020.42-161.40-59.18109.8414Communication
Tower117.9210'-5" x 10'-5" x
10'-0"10.4210.4210.00108.510.17-30.00-24.0020.50-537.60-430.08367.3615Fuel
Tank113.445'-7" x 4'-5" x
4'-7"5.584.424.5824.660.55-13.0027.0017.79-174.72362.88239.1216Power
Instrument Storage14.448'-2" x 8'-2" x
9'-0"8.178.179.0066.690.07-30.0011.0020.00-133.2048.8488.8017Toilet
12.245'-0" x 4'-0" x
8'-0"5.004.008.0020.000.11-17.00-24.0019.50-38.08-53.7643.6818Crane
11135.0047.5050.00-30.0023.7540.50-4050.003206.255467.5018Crane
21135.0035.6337.5030.00-23.7534.254050.00-3206.254623.7519Flare14.0025.0025.00-41.00-33.0028.00-164.00-132.00112.00Hhelideck147.00API
RP
2A43.0043.009.001849.000.0330.0022.0020.001410.001034.00940.00TOTAL449.64814.18619.3713808.605.911.811.3830.71TITIK
BERAT (ft)
Under The HelideckH.D.Spec43'-0" x 43'-0" x 9'-0"Girder Acuan
=TITIK BERAT TOTAL XYz-1.250.375053088222.5157672006
MAIN DECK CONST PROPERTIESMAIN DECK CONSTRUCTION PROPERTIES;
FLOORING AND GIRDER CRITERIA
A. CALCULATING THE FLOORING'S CRITERIA OF MAIN DECK WHICH
SUPPORT THE LIVE LOAD
FULL LENGTH UNIFORM LOADFLOORING
2 ft
24inA.1. LOADING ANALYSIS - CALCULATING THE UNIFORM LOAD OF LIVE
LOAD WHICK WORK ON THE SPAN OF EACH INCH
LIVE LOAD 140psf =0.0009722222ksiSatuan ksi disamping masih
menggambarkan bahwa besaran tersebut adalah sebuah besaran beban
terhadap satu luasan in, jika ingin mengetahui berapa besaran yang
berlaku pada setiap inch satuan panjangnya maka kalikan Kips/in^2
dengan 1 in untuk mendapatkan besaran beban per satuan panjang
in.
q=0.0009722222kip/in
A.2. CALCULATE THE MAXIMUM MOMENT THAT HAPPENED IN THAT
SYSTEM
FREE BODY DIAGRAMCalculate and Compare which the maximum one
between Mab or Mba
Mabequal=0.0466666667Kip . InMba
A.3. CALCULATE THE ALLOWABLE STRESS
1. CODE: AISC ASD (American Institute of Steel Construction -
Allowable Stress Design)
2. MATERIAL : STEEL A36, with y=36ksi
According to AISC ASD, written that a=0.6xy=21.6ksi
A.4. CALCULATE THE CROSS SECTION MODULUS
S=0.0021604938in^3
A.5. CALCULATE THE WALL THICKNESS
S = Iyy=BT^3/12CT/2
=BT^26So,T=6S0.5B
=0.1138550085in
According to the AISC properties table above, the optimum value
that approximates the thickness value of the calculation before
is
t1with Theoritical Weight per ft^2=6.16lb/ft80.125
A.6. CEK !!!!!
CROSS SECTION MODULUS
S = Iyy=BT^3/12CT/2
=BT^26
=0.0026041667
ALLOWABLE STRESS DESIGN CHECKING
a=MmaxS
=17.92ksi2OK
Stress Allowancey=0.66 Fy=0.66 x 36ksi=23.76ksi
a=P / A=Q all / Ap=7.04ksi
SF=a / y=7.04/23.76=0.29622913131.5OK
Stress Allowancey=0.6 Fy=0.6 x 36ksi=23.76ksi
a=P / A=Q all / AP=7.04ksi
SR=a / y=0.2962291313
